ng

Bezel assembly comprising image recognition for use with an automated transaction device

The bezel assembly for data reception, for use with a bill validator in a financial transactional device, includes a bezel housing and a data reception assembly. The bezel housing includes a customer-facing front portion and a back plate connectable to the bill validator that is mounted within the transactional device cabinet. The front portion includes an insertion/dispensing slot for receiving currency and a projecting protrusion forward of the casing. The forward-extending protrusion accommodates at least a portion of the data reception assembly. The bezel assembly can include a wireless communication function that is communicably connectable with a mobile device via a wireless communication method, a manual entry function, a biometric reader, one or more cameras for scanning and decrypting 2D barcodes and the like, thus enhancing the overall functionality of the financial transactional device.




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Coin counting and sorting machines

Systems, apparatuses, and associated methods for counting and sorting coins are described herein. In one embodiment, a coin processing machine can include a coin input region, a coin counting portion, and a coin sorting portion. The coin counting portion can include a first hopper that receives coins from the coin input region, and a coin discriminator that receives the coins from the first hopper and discriminates the coins to determine their value. The coin sorting portion can include a second coin hopper that receives the coins from the coin discriminator, and a coin sorter that receives the coins from the second hopper and sorts the coins into individual denominations.




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Apparatus, method, software and graphical interface for flexible dispensing of coins in a coin handling apparatus

A coin dispensing apparatus has a cabinet serving as an apparatus housing for the apparatus. The apparatus has a control means for controlling the apparatus. The apparatus further has a module for receiving, optionally validating and optionally sorting coins of different types and at least one dispenser for coins to be dispensed. The apparatus also comprises a filling compartment comprising a plurality of dispense locations. Each dispense location is adapted for receiving a portable coin receptacle for collecting dispensed coins from a specific dispenser. The apparatus is adapted to dispense a specific amount of coins under control of said control means to at least one portable coin receptacle at a specific dispense location in said filling compartment. The control means is adapted to only start the dispense operation at said specific dispense location if a portable coin receptacle is present at the location.




ng

Bank notes handling apparatus

A paper sheet processing apparatus includes: an insertion slot through which a paper sheet is inserted; a sensor which detects insertion of the paper sheet; a traveling route through which the paper sheet is conveyed; a light emitting part which irradiates the traveling route with light; a light receiving part which receives light from the traveling route; a black calibration part which sets a reference value for the lowest brightness in a state that the emission of the light emitting part is ineffective; and an authenticity judgment processing part which judges an authenticity. The black calibration part can set the reference value before the authenticity judgment processing part judges the authenticity after the sensor detects the insertion of the paper sheet at every time when the paper sheet is inserted.




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Apparatus, method, and system for loading currency bills into a currency processing device

An apparatus for feeding a plurality of stacked currency bills into a currency handling device. The apparatus may comprise an input receptacle being configured to receive a plurality of stacked currency bills, the receptacle having a first side and a second opposing side, a front end, and an opposing back end. The apparatus further may comprise a first paddle rail disposed adjacent the first side and a first paddle assembly slidably coupled to the first paddle rail, the first paddle assembly having a portion configured to contact a stack of a plurality of bills residing in the input receptacle. The apparatus further may comprise a first resilient member coupled to the first paddle assembly, the first resilient member being configured to bias the first paddle assembly towards the front end of the receptacle, the first resilient member being configured to cause the first paddle assembly to move in a direction toward the front end of the input receptacle at a first average rate of speed when unrestrained and undamped. The apparatus further may comprise a first damping mechanism configured to slow the unrestrained, average rate of speed the first paddle assembly from the first average rate of speed to a second average rate of speed which is less the first average rate of speed.




ng

Currency processing device, method and system

According to one embodiment of the present invention, a currency processing device for receiving and processing a stack of currency bills is described. The currency processing device comprises an input receptacle for receiving a stack of bills to be processed, a plurality of output receptacles for receiving bills after the bills have been processed, a transport mechanism for transporting the bills from the input receptacle to the output receptacles, and a discriminating unit for examining the bills. The output receptacles are arranged such that a center of at least one output receptacle is laterally offset from a center of the input receptacle. The discriminating unit includes a detector positioned between the input receptacle and the output receptacles and is adapted to determine the denomination of bills.




ng

Money handling apparatus

In a money handling apparatus 10, an inlet 21 receives money of a plurality of different currencies. A control unit 40 controls a transport unit 31 such that the money is sorted and delivered from the transport unit 31 to the outlets 23, 24 and 25 based on a money recognition result by a recognition unit 32. The control unit 40 judges whether the currency having been recognized by the recognition unit 32 is assigned to any of the outlet 23, 24 and 25. When this happens, the control unit 40 transports the money to the assigned outlet. When the currency of the money having been recognized by the recognition unit 32 is not assigned to any of the outlet 23, 24 and 25, if there is an outlet to which no currency is assigned, the control unit 40 assigns and transports the money to that outlet.




ng

Paper sheet handling device

Provided is a paper sheet handling device with which paper currency having an optimal property can be deposited and disbursed without reducing the number of denominations than can be handled, and without changing the higher-level system. This paper sheet handling device is equipped with: multiple cassettes provide respectively for each classification based on the value of a paper sheet, with each of the multiple cassettes having multiple housing units a storage unit that associates and stores a housing unit housing status, and a main control unit, which executes paper sheet deposit/disbursement processes on the basis of the housing unit housing status and the cassette housing status stored by the storage unit.




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Apparatus for setting price for multi-vending machine and method thereof

Disclosed are an apparatus for setting a price for a multi-vending machine and a method thereof. The apparatus includes a price setting unit for inputting a price setting function, selecting a price setting column and inputting price information about the selected column; a control unit for controlling a price display of the selected column when the column is selected and the price information is input through the price setting unit; and a price display unit for displaying prices of products exhibited in a column according to a price display control of the control unit.




ng

Mobile communication device and method for identifying a counterfeit bill

An apparatus for identifying a counterfeit bill is provided. The apparatus includes a camera module configured to receive a captured IR image of a bill; a binary image generator configured to generate a binary image of the bill, based on the IR image; a distance value calculator configured to compare a predetermined area of the binary image with a predetermined area of a pre-stored real bill database corresponding to the predetermined area of the binary image; and a corrected image generator configured to generate a corrected image based on a result of the comparison.




ng

Device for receiving coins

Device for receiving coins improved in such a way that large amounts of coins can be received as well as separated reliably and quickly and such that the adverse influence of foreign matters introduced along with the coins on the coin separating function and/or on the performance of the coin separating unit may be reduced. The device includes an aperture for charging coins, a unit for separating coins and a feed unit for feeding coins which is provided with a guide face giving support to the coins during the feeding process and which is an active type feeder having a feed module (5) that is operable with the aid of an actuator means to feed coins toward the coin separating unit and that is designed such that the coins are transported toward the coin separating unit along said guide face.




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Coin depositing and dispensing machine

A coin depositing and dispensing machine is provided where its transport mechanism is simplified and downsized while coins to be dispensed are subjected to the identifying action. A coin passage 32 is provided in an annular form along which a single annular transporting belt 43 remains supported for transporting the coins. An input feeding portion 34, denomination-specific accommodating and ejecting portions 35, a bulk escrow portion 36 are disposed at the inner side of the coin passage 32. The coin passage 32 has a receiving and transporting zone 39 for receiving the coins released from the input feeding portion 34, the denomination-specific accommodating and ejecting portions 35, and the bulk escrow portion 36 and a sorting and transporting zone 41 for sorting and delivering the coins to the input feeding portion 34, the denomination-specific accommodating and ejecting portions 35, and the bulk escrow portion 36. An identifying and transporting zone 40 where an identifying portion 58 is disposed is also provided between the receiving and transporting zone 39 and the sorting and transporting zone 41. The deposited coins and the dispensing coins can be transported by the single annular transporting belt 43. As the transport mechanism is arranged for common use between a depositing system and a dispensing system, its construction can thus be simplified and downsized.




ng

Banknote handling machine

In one embodiment, a banknote handling machine includes a recognition unit configured to recognize a kind of each banknote taken in a take-in unit, a plurality of stacking units, respectively configured to stack therein the banknotes, a transport unit configured to transport the banknotes, respectively recognized by the recognition unit, to any of the plurality of stacking units, an instruction accepting unit configured to accept an instruction concerning an automatic decision mode provided for deciding the kind of the banknotes to be stacked, by utilizing a recognition result obtained by the recognition unit, for each of the plurality of stacking units, and a control unit configured to control the transport unit to transport each banknote to a destination, which destination is decided based on the instruction accepted by the instruction accepting unit and on the recognition result obtained by the recognition unit.




ng

Apparatus and method for sorting coins

The invention relates to a device for sorting coins, the diameter and thickness of which are within predefined size ranges.




ng

Currency bill processing device and method

A currency bill processing system includes a transport mechanism that is configured to transport bills from an input receptacle along a transport path that extends generally horizontally past at least one detector. The transport path transitions generally-vertically upward between a first and a second output receptacle. The transport mechanism is configured to deliver some of the bills toward a first end of the system into the first output receptacle and some of the bills toward a second end of the system into the second output receptacle. The system provides access openings in a front side of the system that are proximate the first and the second output receptacles thereby permitting operator access into the first and the second output receptacles from the front side.




ng

Medium storing device

A temporary storage in a medium storing device carries out ON/OFF monitoring of a jam sensor between a winding start position of a drum and a clamp point of a delivering roller. Accordingly, when bills are rewound in the reset operation, even when a relationship between a pulse count and a bill position becomes different from actual one, it is possible to detect, without using a pulse count, a jam between the winding start position and the clamp point. It is possible to more securely detect the abnormality in bill storing in comparison with the prior art.




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Sensor device in a bank note processing machine

A sensor device in a banknote processing machine comprising a transport device by means of which banknotes to be processed are transported past the sensor device, a cleaning device that cleans the sensor device or a transparent region of the sensor device, and a control device that controls the components of the banknote processing machine. The sensor device includes means for enlarging the spacing between the transport device and the sensor device. The control device controls the means and the cleaning device in such a way that the spacing between the transport device and the sensor device is enlarged by the means while the cleaning device cleans the sensor device.




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Medium storage and feeding device and medium processing device

A medium storage and feeding device and a medium processing device that may prevent occurrences of faults more reliably than the related art. A drum (21) is provided that winds up a banknote BL nipped by pairs of tapes (28L, 28R, 30L and 30R) together with the pairs of tapes. Torque limiters (25L, 25R, 27L and 27R) are separately provided at each of tape reels (24L, 24R, 26L and 26R). The torque limiters control torques between the tape reels and reel rotation axle shafts (22 and 23), such that tensions applied to the tapes between the tape reels (24L, 24R, 26L and 26R) and the drum (21) are constant. Thus, tensions on the tapes between the respective tape reels and the drum may be kept constant, banknote nipping stability may be improved, and occurrences of faults may be prevented more reliably than in the related art.




ng

Banknote handling device and passing unit used therein

A banknote handling device includes a safe that protects banknotes (casing of a second unit), a first conveyance path externally provided to the safe, and a second conveyance path internally provided to the safe. The safe is provided with at least one opening portion through which the banknotes pass. A passing unit including a passing conveyance mechanism that passes a banknote between the first conveyance path and the second conveyance path and a left-behind sensor that detects a banknote that is left-behind, is detachably installed inside the opening portion of the safe.




ng

Cash handling system, cash handling method, management unit and cash accounting apparatus

There is provided a cash handling system capable of reliably storing sales proceeds and the like stored in a cash settlement apparatus into a cash accounting apparatus. A cash management system 1 includes a cash settlement apparatus 11, a cash accounting apparatus 21 and the cash transport cassette 30. The cash settlement apparatus 11 and the cash accounting apparatus 21 have reading units 157, 257, respectively, which are configured to read out cassette ID information from a memory unit 35 of the cash transport cassette 30. In addition, the cash management system 1 further includes: a management unit 26 having a depositing judgment unit 26A configured to judge whether cash in the cash settlement apparatus 11 to be received by the cash transport cassette 30 can be deposited into the cash accounting apparatus 21 or not; a guide apparatus configured to guide information from the management unit 26; and a comparison unit 27 configured to compare the cassette ID information read out by the reading unit 257 of the cash accounting apparatus 21 and the information from the management unit 26.




ng

Banknote processing device

A currency note processing device has a deposit opening. A currency note recognition section recognizes unique information of a deposited currency. A currency note storage section accumulates the deposited currency notes. A transportation control section controls the transportation of the deposited currency note such that the currency note is transported directly to the currency note storage section, and when a return instruction for the deposited currency note is detected, controls the transportation of the deposited currency note from the currency note storage section to the currency note recognition section. A comparison section compares the unique information recognized at the time of the first transportation, from the deposit opening to the currency note recognition section, is compared to unique information recognized at the time of the second transportation, from the currency note storage section to the currency note recognition section.




ng

Banknote processing device

A banknote processing device that stacks banknotes in a banknote storage section even when a jam occurs. The device has an insertion aperture, a verification section, the storage section and a controller. The aperture separates and feeds inserted banknotes. The verification section verifies the banknotes fed from the aperture. The banknotes are stacked in the storage section. The controller controls conveyance of the banknotes conveyed from the aperture to the verification section such that, depending on verification results, the banknotes are conveyed directly to the storage section. When a jam occurs during conveyance of the banknotes, the controller stops the separation and feeding of the banknotes from the aperture, and controls conveyance such that banknotes for which the storage section has been set as a conveyance destination by the verification section are conveyed directly to the storage section and banknotes for which no conveyance destination has been set are ejected.




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Molded gap seal apparatus with inward pointing fibrillations

A cover for the gap in an automobile automatic gear shift assembly is presented. The gap cover is formed from a single molded housing with inward pointing fibrillations. These fibrillations act as fingers to cover the hole created when the multi position mechanism is moved from one position to another. The fibrillations are assisted back to their original position through (1) physical properties of the advanced polymeric substance used to mold the housing and (2) through the interactions of assisting tabs formed on the back side of the fibrillations, which act as springs.




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Top cover having a patterned gasket fixing region, disk drive apparatus, and method of manufacturing top cover

A top cover for use in a disk drive apparatus includes a plate made of a metal and a gasket fixed to the plate. The gasket is made of an elastomer. A surface of the plate includes a fixing region to which the gasket is closely adhered. The fixing region includes a plurality of ridges and in plan view a plurality of filamentous projections extending from each of the plurality of ridges. The plurality of ridges are arranged in the fixing region to increase a surface area of the fixing region. The plurality of ridges and the plurality of filamentous projections extending from each ridge are distributed over the fixing region.




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Reductant delivery unit for automotive selective catalytic reduction with gasket anti-deposit shielding structure

A reductant delivery unit (10) includes a fluid injector (12) and a flange (20) coupled with the fluid injector. An exhaust boss (28) has a surface (39) defining a through-hole (40) that communicates with a vehicle's exhaust flow path. The flange is coupled to a mounting surface such that the outlet of the fluid injector communicates with the exhaust flow path so as to control injection of urea solution into the exhaust gas flow path. A gasket (32) is sandwiched between the flange and the mounting surface. The gasket has a surface (37) defining a through-hole (38) therein that communicates with the through-hole in the exhaust boss to permit the urea solution to pass from the fluid outlet to the exhaust flow path. Gasket shielding structure (44) covers the surface defining the through-hole in the gasket to prevent the urea solution from contacting the gasket.




ng

Regulating flap arrangement

A regulating flap arrangement (1) in a flange connection (2) between a turbine housing of a two-stage exhaust-gas turbocharger and an exhaust manifold of an engine, having a regulating flap plate (5) which is pivotable between an open position and a closed position for opening and closing a connecting opening (6) arranged in the flange connection (2); having an insert ring (7) which is arranged in the connecting opening (6); and having a sealing arrangement (8), wherein the sealing arrangement (8) has two V-rings (8A, 8B), of which a first V-ring (8A) is arranged in a first groove (9) provided adjacent to the connecting opening (6), and the second V-ring (8B) is arranged in a second groove (10) which is arranged, spaced apart radially outward from the first groove (9), in the flange connection (2).




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Low-friction seal ring with inexpensive diamond coating

The present invention refers to a seal ring for a mechanical seal, comprising: a base body (2) with a diamond layer (3) which is applied to the base body (2) and configured as a sliding surface, wherein the diamond layer (3) has a thickness (D) which is less than or equal to 4 μm, particularly less than or equal to 3 μm, particularly less than or equal to 2 μm, particularly preferably about 1 μm, and wherein the base body (2) is without fissures or only comprises fissures that have a maximum longitudinal extension (L) on a surface of the base body (2) or in the base body (2) that is less than or equal to 5 μm.




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Slide ring seal

Slide ring seals have the problem that they generate noise under certain conditions of use. In order to suppress this noise in an effective way, the slide ring seal has at least one damping part that comprises at least one shaped sheet metal part. It is provided with at least one elastically deformable spring part that is supported under pretension. Between the damping part and the support area microfriction is generated that leads to an effective noise damping action. The slide ring seal is advantageously used in the automotive field.




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Apparatus and methods for temporarily sealing a pipe

Apparatus and methods for temporarily sealing a pipe including apparatus and methods for creating a temporary airtight seal at the open end of a pipe in a plumbing or refrigeration system. One such apparatus includes a body, grommet, washer, and a nut. Multiple airtight seals are created including a first primary seal between an exterior of the pipe and the grommet and a secondary seal between the open end of the pipe and the washer. The grommet does not require teeth and the apparatus does not require adhesive, sealant, or any other type of similar materials. Use of the apparatus and methods greatly minimizes and/or eliminates the potential for marring or otherwise distorting the open end of the pipe, thereby facilitating reuse of same.




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Rolling bearing

A rolling bearing which can be large-sized, has corrosion resistance, and is allowed to prevent mounting accuracy from deteriorating, a fixing force from decreasing, vibration from occurring at a portion of the rolling bearing to be fixed to a bearing box or the like, and can be used for a long term even in a highly corrosive environment. A rolling bearing (1) has an inner ring (2), an outer ring (3), and rolling elements (4) as bearing members thereof. Of regions of the bearing members which are exposed to a corrosive environment, a film having a sacrificial anode action for a base material of the bearing members is formed in a region including at least a surface (c, d) of the rolling bearing (1) to be fixed. The film formed on the surface (c, d) thereof to be fixed is porous.




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Apparatus and method for providing wellbore isolation

An actuatable wellbore isolation assembly comprising a housing generally defining an axial flowbore and comprising a mandrel portion, a first end portion, and a second end portion, a radially expandable isolating member positioned circumferentially about a portion of the housing, a sliding sleeve circumferentially positioned about a portion of the mandrel of the cylindrical housing, the sliding sleeve being movable from, a first position in which the sliding sleeve retains the expandable isolating member in a narrower non-expanded conformation to a second position in which the sliding sleeve does not retain the expandable isolating member in the narrower non-expanded conformation, and an actuator assemblage configured to selectively allow movement of the sliding sleeve from the first position to the second position.




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Sealing rings for a labyrinth seal

In sealing rings for a labyrinth seal that are arranged on a rotationally symmetrical component and in frictional contact with a stationary run-in layer, a part of the sealing ring (8) that contacts the run-in layer is in the form of a wear protection ring segment (15) that is built up on a truncated sealing ring (14) and which includes a metal matrix (16) with wear protection particles (13) embedded therein. The manufacture of the wear protection ring segment is carried out by laser build-up welding, wherein the proportion of wear protection particles contained in the metal powder flow supplied to the laser beam can be controlled and increased in an edge or tip region of the sealing ring.




ng

Packing seal for reciprocating pump

A packing seal for a reciprocating pump of the type typically used in connection with oil and gas drilling operations is described. Generally, the seal includes a rigid L shaped cartridge that carries an outer wiper and an O-ring on an exterior wall and a recessed seal body on an interior wall. The recessed seal body is of dual durometer, and its lower portion is constantly urged against the cylinder wall in self-sealing fashion. The seals, cartridge and wiper may be formed from rigid and/or non-rigid materials having low coefficients of friction and physical properties comprising low abrasion and wear resistance. The seal provides an improved self-lubricated unitary seal that is convenient to replace in the field regardless of the torque delivered to the gland nut of a packing box, which contains the seal.




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Spherical annular seal member and method of manufacturing the same

A spherical annular seal member 40 includes: a spherical annular base member 38 which is defined by a cylindrical inner surface 34 defining a through hole 33 in a central portion, a partially convex spherical surface 35, and annular end faces 36 and 37 on large- and small-diameter sides of the partially convex spherical surface 35; and an outer layer 39 formed integrally on the partially convex spherical surface 35 of the spherical annular base member 38.




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Seal and associated sealing arrangement

A seal including a tubular carrier body (1) and two annular sealing elements (2, 3), wherein the carrier body (1) on both sides of its front face is respectively enclosed by one of the sealing elements (2, 3) on the side of its outer perimeter forming a seal. At least one of the sealing elements (2, 3) is made of a non-elastomeric high-temperature resistant sealing material.




ng

Apparatus and system for sealing submersible pump assemblies

An apparatus, system and method for sealing an electrical submersible pump assembly are described. An electric submersible pump (ESP) system for pumping solid-laden fluid comprises a thrust chamber of an ESP seal section, the thrust chamber sealed from well fluid on a downstream side by a stationary sand barrier and on an upstream side by a mechanical seal, the thrust chamber further comprising, a rotatable shaft extending axially through the thrust chamber, a head tubularly encasing the thrust chamber and threadedly coupled to a centrifugal pump intake, and a diamond-coated hydrodynamic bearing set inside the thrust chamber, wherein well fluid enters and exits the chamber through cross-drilled apertures in the head of the chamber, and wherein the well fluid forms a hydrodynamic film between the bearing set.




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Transition assemblies for building opening

A sealing assembly for securely and insulatively maintaining a window or door and surrounding frame arrangement within an opening of a building wall. The sealing assembly comprises an elongated foam cell body member arranged within a channel of the surrounding frame arrangement of the window or door, wherein the elongated cell body member has a wall-opening-facing side. An elongated caulking band flange member is arranged in abutting relationship with a corner of the elongated foam cell body member. A thin flexible air fin is arranged in close environmental sealing relationship with the elongated foam cell body member and the opening in the wall of the building. A securement member is arranged to fasten the window or door surrounding frame arrangement, the elongated foam cell body member and the air fin, all to the building wall opening.




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Arrangement of a bellow on a guide bar of a disc brake

A bellows arrangement on a guide bar of a disc brake, particularly of a commercial vehicle, has an end of the bellows comprising a sealing ring, particularly a quad ring, lying in a circumferential groove of the guide bar. The bellows is pressed into the groove by a retaining ring placed thereon, and is designed so that an air passage can form in the contact area of the sealing ring at the base of the groove, reducing the volume enclosed by the bellows and the guide bar. To this end, the contact shoulder formed on the retaining ring is circumferentially interrupted in segments.




ng

Threaded seal for a gas turbine engine

A seal assembly includes a first component and a second component of a gas turbine engine. The first component has a threaded portion. The second component interfaces with the threaded portion and together the threaded portion and the second component form a seal that restricts fluid flow between a first cavity and a second cavity of the gas turbine engine.




ng

Rolling bearing

A rolling bearing used in a power transmission device for transmitting power such as turning force, characterized in that a magnet for holding in a lubrication portion of the rolling bearing a lubricating magnetic fluid for lubricating the lubrication portion is provided on at least one side of an outer race of the rolling bearing, and an annular yoke made of a magnetic material loosely fitted to a rotating shaft is provided on the opposite side of said magnet relative to said outer race, and a cross-sectional profile of the yoke has an I-shape.




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Oil-lubricated anti-friction bearing

An oil-lubricated anti-friction bearing is provided for a horizontal arrangement of a rotational axis with a shaft seal that separates a bearing inner chamber, which accommodates rolling bodies, from a bearing outer side, and has a clamping arrangement which acts on the shaft seal from a bearing outer side in order to fix the shaft seal axially. The clamping arrangement has an outlet for oil.




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Pumping seal having projections for axially positioning a biasing member

A seal assembly is for sealing between a housing and a rotary shaft includes an annular sealing member coupled with the housing and having inner and outer circumferential surfaces and a plurality of projections extending radially from the outer surface and spaced circumferentially about a central axis. Each projection has first and second axial ends and the plurality of projections define first and second projections. An annular biasing member is disposed about the sealing member outer surface and exerts an inwardly directed force on the sealing member. The biasing member has first and second ends and is arranged on the sealing member with the biasing member first end contacting the second end of each first projection and the biasing member second end contacting the first end of each second projection. As such, the biasing member extends axially and circumferentially between the first and second projections.




ng

Method and composition for sealing passages

A method of sealing a passage in a body with a sealing composition comprising (a) a major proportion of a latex emulsion or colloid; and (b) a minor proportion of lauric acid or a laurate compound; and (c) at least one further selected additive, ideally a latex coagulation inhibitor, wherein said composition is pumped into said passage where it is set or coagulated to form a seal. Advantageously, the laurate compound is ammonium laurate and coagulation is conveniently induced by adjusting pH of the sealing composition from alkaline to acidic pH range. The method is particularly well suited to sealing in faulty formations or sealing sites and may be used in sealing within salt mines which contain brines.




ng

Zero emissions reciprocating pump

A sealing system for a pump having a plunger includes a housing having an internal chamber adapted to receive a portion of the plunger. Primary and secondary seals are located within the internal chamber and adapted to sealingly engage the plunger. The primary seal communicates with the fluid being pumped. A barrier fluid chamber contains a barrier fluid in contact with the primary seal and the secondary seal. A pressure referencing device has an inlet port in communication with the pumped fluid and an outlet port providing fluid at a pressure magnitude equal to a peak pressure of the pumped fluid. A pressurizing device is in communication with the fluid at the peak pressure and the barrier fluid to maintain the barrier fluid pressure at a magnitude greater than the peak pressure of the pumped fluid such that the pumped fluid is restricted from leaking past the primary seal.




ng

Engine

An engine in which an oil consumption and a leakage of blow-by gas can be stably reduced for a long period of time. The engine includes a first land (3), a first ring groove (4), a second land (5), a second ring groove (6), a third land (7), a third ring groove (8), and a piston skirt (9) formed on a piston peripheral wall (1) in the above-recited order from a side of a piston head (2). A first pressure ring (10) is fitted in the first ring groove (4). A second pressure ring (11) is fitted in the second ring groove (6), an oil ring (12) fitted in the third ring groove (8), and an indentation (13) is formed at the second land (5).




ng

Sealing arrangement for sealing a piston rod of a reciprocating compressor

Due to increasingly strict requirements and regulations, it is becoming more and more important for piston compressors to reduce the amount of leakage of operating medium through the seal of the piston rod. Conventional seals comprising packing rings and/or packing ring combinations always have a certain amount of leakage, both during operation and when at standstill, which is why they are not usable for certain applications, or the complexity involved in such a seal increases considerably. A further problem involving the seals of piston rods relates to transverse movements by piston rods during which the sealing action of the seal must be maintained. Proposed is, therefore, a sealing arrangement according to the principle of a sealing medium barrier providing that the sealing elements 8, 9 are arranged in radial direction at a distance relative to the radial end of the recess 10 that receives the sealing elements 8, 9.




ng

Ceramic collars for active brazing in sodium-based thermal batteries

The present application provides for ceramic collars and metal rings for active brazing in sodium-based thermal batteries. The ceramic collar may be an alpha-alumina collar configured for active brazing, and thereby sealing, to outer and inner Ni rings for use in NaMx cells. The portions of the alpha-alumina collar active brazed to the outer and inner Ni rings may be outwardly facing and include inwardly extending recesses. The portions of the outer and inner Ni rings active brazed to the outwardly facing portions of the collar may be inwardly facing. The alpha-alumina collar may include a greater coefficient of thermal expansion than each of the outer and inner Ni rings, and the alpha-alumina collar and outer and inner Ni rings may be configured such that a portion of the outer and inner Ni rings is deformed into the inwardly extending recesses of the alpha-alumina collar after active brazing thereof.




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Radial shaft seal for separating two media

A radial shaft seal for separating two media includes two radial shaft sealing rings each including an axial surface and a sealing lip. The sealing rings are disposed with the axial surfaces facing one another and the sealing lips axially opposed to one another with a space between the sealing lips including a vent. At least one of the sealing rings includes clamping cams configured to grip an inner rim of the other sealing ring so as to join the sealing rings in a form-locking, rear-engaging position relative to each other.




ng

Hydrodynamic non-contacting seal

A hydrodynamic non-contacting seal wherein the sealing surface of a rotatable sealing member is grooved in a spiral pattern such that the depth of the grooves decreases in a direction opposite to the direction of rotation of the rotatable sealing member.




ng

Bearing isolator assembly

A bearing isolator assembly comprises an inner support member, an outer support member, a resilient member, an elastomeric ring, and a support cap disposed over a bearing surface defined by the inner support member or the outer support member. A path of travel is defined between the inner support member and the outer support member. The resilient member is disposed between the inner support member and the outer support member and is configured to resist compression between the inner support member and the outer support member within a first portion of the path of travel. The outer support member defines a ring envelope, in which the elastomeric ring is disposed. The inner support member defines a ring compression surface, and the elastomeric ring is configured to resist compression between the ring compression surface of the inner support member and the ring compression surface of the outer support member within a second portion of the path of travel.