A tooth for a blade of a hair cutting apparatus includes a root secured to a base of the blade, a tip opposite the root, and a longitudinal axis of the tooth defined between the root and the tip. A lower, planar cutting surface is provided on the tooth, as is an upper surface opposite the lower surface, and sidewalls separating the upper surface from the lower surface. At least a portion of the upper surface and the sidewalls is elliptical in the direction of the longitudinal axis, beginning at the tip.

A scalpel handle for holding a blade having a cutting edge includes a handle member and a blade shield for covering the blade cutting edge. The blade shield is connected to the handle member for pivotal movement relative thereto between a blade-covering condition and an out-of-the-way condition, and a movable shield latch mechanism is capable of releasably locking the blade shield in its blade-covering condition. A finger-operable actuator mechanism is mounted upon the handle member for movement between first and second conditions, and a spring is interposed between the actuator mechanism and the handle member. During a first phase of movement of the actuator mechanism from its first to its second condition, the shield latch mechanism unlocks the blade shield from its locked blade-covering condition, and during a second phase of movement, the blade shield is moved from its blade-covering condition to its out-of-the-way condition.

An accessory for a power tool, includes a mounting portion configured to mate with an oscillating drive member of a power tool. A support arm portion extends from the mounting portion in a first direction. The support arm portion includes an inner edge that faces in a second direction transverse to the first direction. A blade portion extends from the support arm generally in the second direction. The blade portion includes a trailing edge arranged facing generally toward the mounting portion and a leading edge arranged facing generally away from the mounting portion. The trailing edge and the leading edge portion meet to define a pointed tip portion.

An exemplary surgical probe and methods of making the same are disclosed. An exemplary surgical probe may include a tubular body and a scissor assembly received at least partially within the body. The scissor assembly may include a first blade fixed to the tubular body that includes a body portion and an end portion. The scissor assembly may further include a second blade that is configured to move longitudinally within the tubular body. The body portions of the first and second blades may each define respective cross sections normal to a longitudinal axis of the tubular body. The cross sections may each define centrally disposed edges adjacent one another, and the cross sections may each be asymmetrical about a line substantially parallel to the centrally disposed edges.

A shaving blade unit having a housing that includes a primary cap, a primary guard, an upper face, and a rear face. The shaving blade unit also includes a first primary blade located between the primary cap and the primary guard and extending at said the upper face, a first spacer stacked with the first primary blade, and a trimming blade extending at the rear face of the housing where the trimming blade is unreleasably fixed to the first spacer.

A razor cartridge includes razor blade assemblies having an inter-blade guard attached to a side of a razor blade. The razor blade is formed from strip that is manufactured including a thermal oxidation process to form a chromium oxide layer on the side surface of the razor blade. This oxide film prevents electrochemical corrosion of the razor blade that may be visible to a user and prevents real or perceived premature failure of the razor blade and thus the razor cartridge during its extended life. The razor blade assembly may also have an array of closely spaced droplets of a liquid adapted to inhibit corrosion of the razor blade applied to the side of the razor blade visible to a user.

A razor comprises a first component comprising a first indicia on a surface of the first component. The razor also comprises a second component configured to rotate relative to the first component about a first axis of rotation, the second component comprising at least one blade and a second indicia on a surface of the second component, the second component configured to rotate relative to the first component about a second axis of rotation, wherein the second axis of rotation and the first axis of rotation are non-coplanar. The second component is in a preloaded neutral position when at rest such that rotation about the second axis of rotation generates a return torque and wherein the first indicia and the second indicia are in alignment at rest and out of alignment when the second component has been rotated about the first axis of rotation.

A hair clipper has a base structural housing with a blade set operably secured thereto. The blade set has a stationary blade and a reciprocating blade. The base has at least one support for a rotary motor. A flexible motor vibration and noise damper fits over half of the motor, and a motor cover is secured to the base structural housing over the vibration damper. A secondary housing cover is secured to the base structural housing over the motor cover.

A safety scalpel that incorporates a reusable metal scalpel handle (500) similar in shape and feel to the conventional metal handle preferred by most surgeons, and a disposable blade cartridge (300) that covers the blade (100) before, during and after use, and is easily mounted and released from the scalpel handle. The blade cartridge includes a blade (100) with similar cutting profiles as standard surgical blades, a blade holder that is permanently fixed to the blade, and a blade guard (300) that covers the blade and within which the blade holder (200) is able to slide. The scalpel handle is reusable, while the blade cartridge is disposable. The blade cartridge is attachable and detachable from the scalpel handle and may include a mechanical brake (1301) to prevent movement of the blade except when the reusable handle is in place. A safety latch feature (2230) is provided.

An oil supply device for a crankcase of an internal combustion engine feeds oil from a reservoir to a main oil duct of the crankcase. A filter switching device allows a selection from a plurality of oil filter units in the flow path of the oil to be selectively connected into the oil flow path, to set a proportion of the oil filter units to active and a proportion of the oil filter units to passive. A switching unit switches between the active and passive states and opens up a pressurized oil flow path to the active oil filter unit(s) and also a drainage flow path between the passive oil filter unit(s) and a drainage duct. An evacuation device drains or evacuates oil from the drainage duct which has accumulated at the passive oil filter unit(s).

A gas turbine engine includes a first and second pump driven by a spool. An Air-Oil Cooler downstream of the first pump. An air-air precooler is downstream of the second pump, the air-air precooler downstream of the Air-Oil Cooler.

A gas turbine engine according to an exemplary aspect of the present disclosure includes a windmill pump driven by a spool. A first pump driven by said spool with an air-oil cooler is located downstream of the first pump. A second pump is also driven the spool with an air-air precooler located downstream of the second pump. A method of operating a gas turbine engine during a “windmilling” condition includes driving a windmill pump with a spool during a “windmilling ” condition. A lubricant is communicated to a geared architecture with the windmill pump. A first pump is driven by the spool and an air-oil cooler is located downstream of the first pump.

The disclosed embodiments include self-lubricating oil feed systems that may include an integral bearing. The oil feed systems may include gear pumps suitable to minimize the axial profile of the oil feed systems. Additionally, the oil feed systems may be directly coupled to turbomachinery having a gear, and provide for mechanical support and lubrication of certain components of the turbomachinery. In certain embodiments, the oil feed systems enables the transfer of a lubrication fluid to the bearing during operations of the turbomachinery.

A dual-line pump unit for supplying lubricant includes a reservoir having an interior for holding lubricant. A first pump is provided for pumping lubricant from the reservoir through a first main line to a lubricant distribution system. A second pump is provided for pumping lubricant from the reservoir through a second main line to the lubricant distribution system. During a first stage of operation, the first pump operates to pump lubricant from the reservoir through the first main line to the lubricant distribution system and the second pump is idle, the second main line venting back to the reservoir via the second pump. During a second stage of operation, the second pump operates to pump lubricant from the reservoir through the second main line to the lubricant distribution system and the first pump is idle, the first main line venting back to the reservoir via the first pump.

One embodiment (100) collects air pressure created from forward motion of a motorcycle (300) in a reservoir assembly (1001) which stores a liquid lubricant, is attached to motorcycle frame (302), and comprises a containment chamber (102), cap (106), cap seal (104), air inlet port (107), lubricant outlet port (109), and an air inlet connector (108) and a lubricant outlet connector (110) to facilitate the external attachment of conduit. The air pressure is collected by and delivered to reservoir assembly (100-1) via an air collection conduit (118) attached to motorcycle front portion (306) by a mount (130) and urges liquid lubricant through a suction conduit (124), flow restrictor (112) and delivers lubricant via discharge conduit (114) to a chain applicator (116) attached to a motorcycle swing arm assembly (304) and to the inner circumference of drive chain (310). Lubricant flow ceases after motorcycle is stopped. Other embodiments are described and shown.

The invention relates to a method for metered dispensing of lubricants using a lubricant dispenser comprising a reservoir chamber filled with lubricant, a gas generating unit for electrochemically generating gas, a piston acted on by the generated gas for outputting the lubricant from the reservoir chamber, and an electronic control unit for controlling the electrochemical gas generation. According to the invention, the temperature of the lubricant or the environment is measured at time intervals, and an average temperature value is derived from a plurality of measured temperature values. Using stored correction values describing the temperature-dependence of the electrochemical gas generating rate, a control parameter determining the electrochemical gas generation is set for the average temperature value, having the requirement that the gas generating rate at the average temperature value corresponds to the target value that correlates to prescribed dispensing time.

An exemplary system for delivering a turbomachine fluid to a supplied area is a pump configured to draw fluid from both a first container and a second container when operating in both a positive g-force environment and a negative g-force environment. The fluid from the first container in a positive g-force environment is a mixture of air and oil, and the fluid from the first container in a negative g-force environment is primarily oil.

An example method of accessing a valve assembly of a turbomachine includes accessing a check valve of the valve assembly from a first position that is radially outside a flow path through the turbomachine. The method accessing a shut off valve of the valve assembly from a second position that is radially outside the flow path. The check valve and the shut off valve are configured to influence communication of lubricant along a lubricant communication path that extends between a location radially outboard the flow path and a location radially inboard the flow path. The first position is the same as the second position in some examples.

The invention relates to a crankshaft comprising at least: a journal; a first crankpin; a second crankpin; a first arm connecting the first crankpin to the journal; a second arm connecting the second crankpin to the journal; a first pipe extending away from the first crank pin toward the journal and leading onto the surface of the first crankpin on the transverse median plane thereof, and substantially passing to the center of the median plane of the second arm; and a second conduit extending away from the second crankpin toward the journal and leading onto the surface of the second crankpin on the transverse median plane thereof, and substantially passing to the center of the median plane of the second arm, characterized in that the shape of the crankshaft is such that it cannot also comprise a diametric pipe within the transverse median plane of the journal fluidly adjoining the first pipe and the second pipe, and the crankshaft comprises a third non-diametric pipe within the transverse median plan of the journal fluidly connecting the first pipe and the second pipe.

A case comprises a radially inner case hub, a radially outer case section with an outer wall, a plurality of circumferentially distributed struts extending radially between the inner hub and the outer case section, and a lubricant scavenge passage disposed circumferentially apart from a bottom dead center (BDC) position of the case. The lubricant scavenge passage includes an inner scavenge section extending radially through a first one of the plurality of struts.

A tank includes a tank discharge passageway at least partially within a tank body. A segmented anti-back flow structure is mounted adjacent to the tank body and the tank discharge passageway.

A turbocharger for an internal combustion engine includes a bearing housing with a bearing bore and a thrust wall. The bearing housing includes a journal bearing disposed within the bore. The turbocharger also includes a shaft supported by the journal bearing for rotation about an axis within the bore. The turbocharger also includes a turbine wheel fixed to the shaft and configured to be rotated about the axis by the engine's post-combustion gasses. The turbocharger additionally includes a compressor wheel fixed to the shaft and configured to pressurize an ambient airflow. Furthermore, the turbocharger includes a thrust bearing assembly pressed onto the shaft and configured to transmit thrust forces developed by the turbine wheel to the thrust wall. Pressing the thrust bearing assembly onto the shaft minimizes radial motion between the thrust bearing assembly and the shaft. An internal combustion engine employing such a turbocharger is also disclosed.

A turbocharger for an internal combustion engine includes a shaft, a first turbine wheel, a compressor wheel, and a second turbine wheel. The shaft includes a first end and a second end and is supported for rotation about an axis. The first turbine wheel is mounted on the shaft proximate to the first end and configured to be rotated about the axis by post-combustion gasses emitted by the engine. The compressor wheel is mounted on the shaft between the first and second ends and configured to pressurize an airflow being received from the ambient for delivery to the engine. The second turbine wheel is mounted on the shaft proximate to the second end and configured to be rotated about the axis by a pressurized fluid. An internal combustion engine employing such a turbocharger is also disclosed.

A gear train lubricating device configured to supply lubricating oil OL to a gear included in a gear train is provided. The gear train lubricating device includes: a shroud covering, among components constituting the gear, at least teeth of the gear; and a lubricating oil supply port through which the lubricating oil OL is supplied to a meshing position of the gear. The shroud has an outlet port formed therein, through which the supplied lubricating oil OL is discharged. The outlet port is formed in a portion of the shroud that is positioned radially outward from the gear, such that the outlet port is disposed at an angular position that is 90°±15° forward from the meshing position in a rotation direction R1 of the gear.

The present invention is directed to lubrication system having a reservoir having a body. A follower is moveably disposed in the body. The system further comprises an alarm system having an electrical switch operably associated with the follower. The alarm generates a signal when the follower is at a predetermined location in the body. The alarm system may generate a signal when the follower is at a lower location in the body such as when the reservoir has an amount of lubricant representing a predetermined amount of usage time remaining. The alarm system may also generate a signal when the follower is at an upper location in the body such as when the reservoir is filled with lubricant wherein the signal acts to automatically interrupt the fill of lubricant.

An oil supplying assembly for a transmission of a vehicle, which may supply oil to a clutch and a pulley of a transmission, may include a base member which is mounted to a transmission main body, and includes a first oil path supplying the oil to the clutch and an oil supply column which is integrally formed to the base member and of which a second oil path for supplying the oil to the pulley is formed thereto.

A shaft assembly includes a gear with a gear bore having a splined bore section adjacent to an oil dam. A shaft includes a first splined end section and a second splined end section, the first splined end section engageable with the splined inner diameter, the shaft having a bore with a bore diameter greater than a diameter of the oil dam, a first set of radial apertures axially inboard of the first splined end section in communication with the shaft inner bore and a second set of radial apertures axially inboard of the second splined end section in communication with the shaft inner bore that altogether provide lubrication of the splined end sections.

A flow restrictor is provided for a lubrication circulation system. The flow restrictor comprises a body configured to obstruct a flow of lubricant within the lubricant circulation system. The body has one or more through holes communicating with upstream and downstream portions of the lubrication circulation system. Each of the one or more holes has a cross-sectional area sufficiently small, and a length sufficiently long, to prevent turbulent lubricant flow therethrough at temperatures below a first predetermined reference temperature. The one or more holes have sufficient aggregate cross-sectional area to allow a desired lubricant flow rate through the body at temperatures at or above a second predetermined reference temperature.

A turbine engine includes a shaft, a fan, at least one bearing mounted on the shaft and rotationally supporting the fan, a fan drive gear system coupled to drive the fan, a bearing compartment around the at least one bearing and a source of pressurized air in communication with a region outside of the bearing compartment.

A lubrication system for a gear system for a wind turbine is disclosed. The lubrication system comprises a reservoir adapted to contain lubricant, first pump means arranged to supply lubricant from the reservoir to the gear system via a first fluid connection, and vacuum generating means arranged in fluid connection with the reservoir, thereby maintaining a total air pressure in the reservoir which is lower than an ambient pressure during normal operation. The lowered total air pressure in the reservoir draws lubricant from the gear system into the reservoir, thereby increasing the lubricant level in the reservoir and decreasing the lubricant level in the gear system, allowing the lubrication system to be operated in a ‘dry sump mode’. In the case of an emergency or during start-up the vacuum generating means is stopped, thereby increasing the total air pressure in the reservoir. This causes a decrease in the lubricant level in the reservoir and an increase in the lubricant level in the gear system, allowing the lubrication system to be operated in a ‘wet sump mode’.

A compressor lubrication system including a positive displacement pump, a pressure relief valve assembly, and a divider block. The pressure relief valve assembly includes a housing that has an opening to the fluid distribution system and a relief passage. A conduit is connected from the relief passage to a fluid reservoir. The assembly also includes a pressure relief valve that has an open position in which fluid from the fluid distribution system can enter the relief passage, and a closed position in which fluid is prevented from entering the relief passage. A biasing element maintains a biasing force on the pressure relief valve. The pressure relief valve is maintained in the closed position when the biasing force exceeds the fluid force on the pressure relief valve and the pressure relief valve moves into the open position when the fluid force exceeds the biasing force.

A container for collecting a liquid lubricant has a housing having one end formed with an inlet opening connectable to a source of the liquid lubricant and an opposite end formed with a vent hole, with a piston inside the housing subdividing the housing into a front lubricant compartment into which the inlet opening opens and a rear compartment into which the vent hole opens. The piston is shiftable between a front position close to the intake opening and a rear position close to the vent hole such that as the liquid lubricant fills the lubricant compartment the piston moves into the rear position. Formations on the piston and on the housing seal between the piston and the housing around the vent hole only when the piston is in the rear position.

A lubrication structure is provided for supplying lubricating oil to a transmission of an engine. The engine includes a mission holder which includes a power transmission mechanism between a main shaft and a countershaft as a unit and is removably mounted in a mission chamber, and a clutch chamber having a clutch mechanism is provided adjacent the mission chamber for transmitting rotation of a crankshaft to the transmission. Two oil introduction ports are provided on the mission holder, which is between the clutch chamber and the mission chamber. The two oil introduction ports enable the two chambers to communicate with each other. Each of the oil introduction ports has an opening provided therein which opens upwardly on a clutch chamber side of the mission holder.

A lubrication system for a work tool, such as a demolition hammer, on a machine, such as an excavator or a loader. The lubrication system is mounted on drive line fluid connectors of the machine, such as hydraulic or pneumatic hoses. The lubrication system is fully supported by the connectors only and does not require mounting to the machine itself. The lubrication system includes a movable spool powered by the drive fluid of the machine, the spool reciprocating within a sleeve to force lubricant through passages to the work tool.

A lubrication apparatus for lubricating a surface of at least one component of a piece of equipment, which includes a lubrication mist generating unit in which air and a lubricant are combined to form a lubricant mist. A device is included for directly connecting the lubrication mist generating unit to the equipment at a position adjacent the surface to be lubricated.

A combination usable together in an automotive vehicle includes an engine block, a cover, and a band clamp. The engine block includes an opening configured to provide access to an interior volume, a first flange having a periphery that surrounds the opening, and a first engagement surface disposed proximate the first flange. The cover includes a second flange disposed around a periphery of the cover, and a second engagement surface disposed proximate the second flange, the second engagement surface configured to mate with the first engagement surface, wherein when the first engagement surface and the second engagement surface are disposed in engagement with each other the first flange and the second flange in combination define an exterior surface having a first profile. The band clamp includes an interior surface with a second profile that is complementary with the first profile.

The present invention relates to a device for wetting or lubricating a rail head (7). The device has at least one outlet (30) for a wetting agent and/or lubricant. To ensure that the noise generated by a track-bound vehicle is reduced safely and regardless of the weather, a rail head-side end portion (33) of the at least one outlet (30) is movably mounted between a position at a remote distance from the rail head (7) and a position in closer proximity to the rail head.

A lubrication device for a hybrid vehicle power transmission device including a gear member, a first electric motor, and a second electric motor within a transaxle case, the lubrication device includes: a first pipe supplying oil forcibly transferred from an oil pump to the second electric motor; an oil passage branched from the first pipe; a first catch tank supplied with oil from the oil passage; a second pipe connected to the first catch tank to supply oil accumulated in the first catch tank to the first electric motor; an oil flow outlet disposed in the first catch tank and located above the second pipe; and a second catch tank disposed vertically beneath the first catch tank to receive oil outflowing from the oil flow outlet.

An air compressor with oil pump inlet strainer bypass features, including a bypass valve assembly in fluid communication with the air compressor crankcase to provide lubricating oil to the dynamic compressor components, or simply to the air compressor. The bypass valve assembly includes a valve housing defining an interior chamber and an oil strainer screen engaged with the valve housing to filter the lubricating oil entering the interior chamber. A bypass valve is in fluid communication with the interior chamber and includes a valve body having a bypass port and an indicator port. An optional suction tube is connected to the bypass port on the valve body. An indicator assembly is connected to the indicator port on the valve body.

A lubricant flow suppressor positioned proximate a rotating component for receiving ejected lubricant therefrom and reducing the kinetic energy of the ejected lubricant. The suppressor includes at least two perforated walls with a lubricant flow path formed therebetween.

A system and method for lubricating gears in a wind turbine blade pitch drive are provided, wherein the pitch drive comprises a drive pinion gear with gear teeth that engage a pitch bearing gear coupled to a respective wind turbine blade. A grease distributor is configured to mount onto and rotate with the pinion gear, and is configured to deliver grease from an external grease supply to at least one valley defined between adjacent teeth of the pinion gear in a contact area of the pinion gear with the bearing gear without the distributor contacting inter-engaging teeth of the bearing gear.

A gas turbine engine includes a heat exchanger, a bearing compartment, and a nozzle assembly in fluid communication with the bearing compartment. The heat exchanger exchanges heat with a bleed airflow to provide a conditioned airflow. The bearing compartment is in fluid communication with the heat exchanger. A first passageway communicates the conditioned airflow from the heat exchanger to the bearing compartment. A second passageway communicates the conditioned airflow from the bearing compartment to the nozzle assembly.

A gas turbine engine includes a geared architecture with a multiple of intermediate gears, and a baffle with an oil scavenge scoop adjacent to each of the multiple of intermediate gears. A geared architecture and method are also disclosed.

A golf ball kicking device having hands-free interchangeability of golf club heads comprising a mounting plate secured to the shoe and a retaining member affixed to the mounting plate and having a pivoting lever with a release member in communication with a rear face of a club head. The mounting plate has a magnet and the rear face of the club head is constructed of a magnetic material so as to releasably mount the club head onto the mounting plate. When the club head is secured against the magnet, the club head impacts upon the release member so as to pivot the pivoting lever to a first position. When sufficient force is applied to the pivoting lever, the pivoting lever pivots to a second position thereby directing the release member to impact upon the club head and dislodge the club head from the mounting plate.

A waterproof breathable sole for shoes, which comprises, for at least part of its extension, at least two structural layers, a lower one provided with a supporting structure so as to form the tread, and an upper one that is permeable to water vapor. The lower layer has portions that are open onto the upper layer. A coating obtained by means of a plasma deposition treatment for waterproofing is provided on the upper layer. A layer is thus obtained that has structural functions and characteristics of resistance to damage and is at the same time waterproof and breathable.

An interchangeable cleat system for an article of footwear includes an outer sole member with a plurality of fixed cleat members and a plurality of removable cleat members. The spacing between the removable cleat members and the fixed cleat members may be approximately constant in at least one portion of the article of footwear. The differences in height between the removable cleat members and the fixed cleat members may be approximately constant within a portion of the outer sole member. The cleat system can include at least three sets of cleat members that can be interchanged over different portions of the outer sole member.

An article of footwear includes an upper and a midsole positioned beneath the upper. The midsole includes an upper portion formed of a first material and a lower portion formed of a second material and positioned beneath the upper portion. The lower portion includes a plurality of support members spaced from adjacent support members. A plurality of connecting members extend between and are connected to adjacent support members, with the connecting members having a height that is less than a height of the support members to which the connecting members are connected, and an upper surface that is substantially flush with an upper surface of the support members to which the connecting members are connected.

An inner sole board having varying regions of flexibility is provided for use in an article of footwear. The inner sole board may include different materials along its length at different locations that vary its flexibility. An inner sole board is manufactured in an injection molding process requiring only one mold. The process includes a first step of providing a mold, a second step of providing an injection molding assembly, a third step of preparing an injection molding assembly and mold, a fourth step of injecting material into the mold, and a fifth step of establishing the dimensions of a first portion. During the injection molding process, the flow rate of at least one material may be controlled by a nozzle gate to control the shape and size of the flex zone it creates. In this manner, the inner sole board may be customized for a specific sport or individual.

A sole for dance footwear such as a dance sneaker includes an outsole having forefoot, arch and heel portions and which contains openings in the forefoot and arch portions. The bottom surface of the outsole further includes a plurality of laterally extending spaced grooves. The grooves and openings provide increased flexure of the outsole from heel to toe and from side to side about a longitudinal axis of the outsole. A shank between the openings in the arch portion of the outsole supports the foot during dance movements, maintains the integrity of the shoe, and improves the aesthetics and ergonomic movement of the footwear.

A removable heel assembly, a shoe having a removable shoe assembly and kit containing a shoe body having a heel base and a plurality a assorted removable and interchangeable heels. The heel assembly includes the heel base and a removable and interchangeable heel. The removability relies upon at least one tapered groove ending in a dimple. The heel utilizes a locking connector which contains components which fit within a cavity within the heel base and which locks in place upon engagement thereof when the components engage the at least one tapered, groove and dimple.