r Capacitive data transfer in an electronic lock and key assembly By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT An electronic key may include a partial capacitor comprising a capacitive metal plate in communication with a processor. The capacitive metal plate of the partial capacitor is configured to form a capacitor with a corresponding capacitive metal plate of a lock when brought into proximity with the metal plate of the lock. Data may be transferred from the key to the lock using a capacitor formed by combining the two metal plates, wherein a common ground is established between the metal plate of the key and the metal plate of the lock through a parasitic capacitance present between the key and lock circuitry. Full Article
r Asset retention device for an asset retention system By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT An asset retention device, including: a housing including a base portion and a cap portion, the base portion and the cap portion containing a plurality of electrical contacts; and an asset attachment structure securely coupled to the cap portion and making electrical contact with the plurality of electrical contacts, thereby completing an electrical circuit through the asset attachment structure and the housing; wherein, if the continuity of the asset attachment structure is broken, the electrical circuit is broken. The base portion of the housing is configured to be selectively coupled to a main console including a controller/processor operable for detecting a break in the continuity of the asset attachment structure and the associated electrical circuit. The asset retention device also includes an identifying chip. The asset attachment structure includes a plurality of hooked ends that extend through channels manufactured into an interior portion of the cap portion of the housing. Full Article
r Secure raceway with lockable access By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A system for securing an access opening of a cable raceway using a single padlock includes a cover having a securing wall and opposed first and second sidewalls, which form a channel for accommodating at least a portion of the cable raceway with the securing wall covering the access opening. First and second insert bars engage the first and second sidewalls and a lock bar engages the first and second insert bars and may be locked in an engaged position to prevent the first and second insert bars from being disengaged with the cover and to secure the cover about the cable raceway preventing access to the access opening. Full Article
r Fish finder By www.freepatentsonline.com Published On :: Tue, 29 May 2018 08:00:00 EDT Full Article
r GPS locator (EV09) By www.freepatentsonline.com Published On :: Tue, 24 Jul 2018 08:00:00 EDT Full Article
r Connection unit for connecting saw blade to handle By www.freepatentsonline.com Published On :: Tue, 24 Mar 2015 08:00:00 EDT A hand tool includes a handle and a holding member is connected to the front end of the handle. A first part is connected to one end of the holding member and is connected to a second part connected to the front end of the handle. The first part has a first recess defined transversely therethrough. A second recess and a third recess are respectively in one side of the first part and communicate with the first recess. The second recess is located between the first and third recesses. A control unit has two pins which are movably cooperated with the first, second and the third recesses. The second pin is connected to the first pin. When pushing the first pin toward the second pin, the first part is shifted from the second part so that a blade is inserted into or removed from the first and second parts. Full Article
r Shrink wrap removal tool By www.freepatentsonline.com Published On :: Tue, 31 Mar 2015 08:00:00 EDT A tool for removing shrink wrap from a product may include a first abrasive surface, a second abrasive surface, and a pressing surface, where the first and second abrasive surfaces are movable with respect to one another between an engaged position and a disengaged position, and where in the engaged position, the pressing surface presses the product into engagement with the first abrasive surface and the second abrasive surface. The first abrasive surface and the second abrasive surface may be located on a first arm and a second arm respectively. The first abrasive surface may be stationary relative to the first arm and the second abrasive surface may be stationary with respect to the second arm. The pressing surface may include a pressing element which is rotatable around an axis. Full Article
r Shaving blade unit and shaver having such a blade unit By www.freepatentsonline.com Published On :: Tue, 31 Mar 2015 08:00:00 EDT 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. Full Article
r Ratcheting tool with angular positioning handles for cutting non-metal pipe and tubing By www.freepatentsonline.com Published On :: Tue, 31 Mar 2015 08:00:00 EDT Disclosed is an improved pipe cutting tool based upon a ratchet closure action wherein handles are pivotedly attached to allow successive movement of a cutting blade in response to the squeezing of the handles. The handles are also hingedly coupled to the cutting member to maintain the cutting member in a position perpendicular to the tubular item to be cut while allowing the operator to squeeze the handles at offset angles, up to and including a right angle cut. The hinged handles allow for offset operation without forgoing the ease of operation by the consumer or causing a large reduction in the mechanical advantage. A ratchet allows sequential advancement of a cutting member toward a tubular shaped jaw that holds the item to be cut. Full Article
r Fingertip shaving device By www.freepatentsonline.com Published On :: Tue, 31 Mar 2015 08:00:00 EDT A fingertip mountable shaving device is provided by a flexible and breathable substrate layer including a first shaving surface, and a second adhesive surface opposite to the first shaving surface. The first shaving surface includes a plurality of rubber strips along the vertical peripheral edge and a plurality of blade assemblies affixed at predetermined locations. The blade assemblies of include a vertical stack of a plurality of rotary blades of different diameters alternately interspaced by spacers and having a hemi-spherical protective cap with a vertical stem, on the top. The second adhesive surface is coated with an adhesive suitable for temporarily mounting the device on a fingertip and is covered with a releasably connected protective peel off layer. The device can safely and closely shave hair from the face and other difficult to reach body surfaces, such as within the ear or nostrils. Full Article
r Twine cutter for a bale processor By www.freepatentsonline.com Published On :: Tue, 31 Mar 2015 08:00:00 EDT A twine cutting apparatus for a bale processor has a guide extending along a length of a floor of the bale chamber, and a knife engaged in the guide and configured such that the knife can slide along the length of the drum and such that a cutting edge of the knife contacts twine wrapped around an outer surface of the drum. A rigid handle is attached at a knife end thereof to the knife and is configured to be gripped by an operator at a grip end thereof outside the bale chamber. A twine access area can be provided on the drum surface to facilitate cutting twine, and the apparatus can be stored inside the bale chamber during operation of the bale processor. Full Article
r Guarded surgical knife handle By www.freepatentsonline.com Published On :: Tue, 31 Mar 2015 08:00:00 EDT A guarded surgical knife handle includes a handle portion with a blade holder, a chamber within the handle portion, and a slot. The guarded surgical knife handle also includes a guard having an open distal end slidably mounted within the handle portion that can slide longitudinally between an unguarded position and a guarded position. The guard is sized to surround the blade in the guarded position. The guarded surgical knife handle also includes a latch that latches the guard when the guard is slid into the guarded position and a first button that disengages the latch. The guarded surgical knife handle includes a bias member that forces the guard in a proximal direction to an unguarded position when the latch is disengaged along with a second button extending through the slot used to slide the guard in a distal direction into the guarded position. Full Article
r Box cutter with retractable blade By www.freepatentsonline.com Published On :: Tue, 07 Apr 2015 08:00:00 EDT A box cutter includes a housing with a blade slide slidably received therein. A pivotal member is pivotably connected to of the blade slide. An inclined face is defined in one of surfaces of the pivotal member and is gradually raised. The inclined face is connected to a pressing area which has two respective rounded guide portions. A spring is connected between the pivotal member and the housing to maintain the blade slide at the initial position. A button is slidably connected to outside of the cover and a spring is connected between the button and the cover. The button is moved to move the blade slide from the initial position thereof to an extended position. When the blade is cutting a workpiece, the blade is tilt and the pivotal member is pivoted by the cover so that blade slide is retracted into the housing. Full Article
r Handheld cable cutter with stabilizing base By www.freepatentsonline.com Published On :: Tue, 07 Apr 2015 08:00:00 EDT A handheld cable cutter is provided with two handles, a stationary cutting blade, and a rotatable cutting blade pivotally connected to the stationary cutting blade. One of the handles is movable such that movement of the movable handle toward and away from the other, stationary handle drives the rotatable cutting blade toward the stationary cutting blade. The stationary handle includes an enlarged, integral stabilizing base which rests upon a support surface when the movable handle is actuated to cut a cable. Full Article
r Mohawk hair cutting guide By www.freepatentsonline.com Published On :: Tue, 07 Apr 2015 08:00:00 EDT A hair cutting guide and method for aiding in creating/trimming a human hair into a Mohawk type hairstyle. The Mohawk guide consists of two side pieces, two adjustable spacers/connectors, and two clips. The bottom edges of the two side pieces are contoured to follow the shape of the human head from the start of the hairline to the nape of the neck. Full Article
r Quick release blade lock assembly By www.freepatentsonline.com Published On :: Tue, 07 Apr 2015 08:00:00 EDT Disclosed is a quick release lock for blades mountable to a motor driven rotary tool consisting of a tool mount for mounting to the mandrel of a motorized tool. A blade retainer and lock ring positioned on each side of a user provided blade with the blade retainer providing a bore having a plurality of channels and rails and the tool mount having a collar with corresponding exterior helical channels and rails whereby the blade retainer can quickly mounted onto the tool mount. Full Article
r Pair of garden scissors with an adjustable cutting By www.freepatentsonline.com Published On :: Tue, 14 Apr 2015 08:00:00 EDT A pair of garden scissors with an adjustable cutting angle is provided with first and second scissor members. A positioning protrusion of the first scissor member cooperates with a positioning end of the angle-restricting member of the second scissor member to restrict the maximum cutting angle of the first scissor member, and an adjust member is able to adjust the cutting angle by adjusting the position of the angle-restricting member, so that the cutting angle can be freely adjusted within the movement range of the angle-restricting member. Full Article
r Hand cutter with blade guard By www.freepatentsonline.com Published On :: Tue, 14 Apr 2015 08:00:00 EDT A hand cutter with a retractable blade guard providing an unimpaired view of the blade, when it is placed on the object. The blade guard is unlocked and retracted by a trigger mechanism, which is activated by closing the hand around the cutter handle. The blade guard remains in the retracted position until the trigger is released or a relocking mechanism is activated by putting the blade to use by cutting the object. Full Article
r Shaver having spaces for collecting cut-off hairs By www.freepatentsonline.com Published On :: Tue, 21 Apr 2015 08:00:00 EDT A shaver includes a shaving unit having e.g., three shaving elements. Each shaving element accommodates a cutter member for cutting off hairs. Each shaving element further accommodates a gear wheel which is part of a transmission for coupling a drive shaft for driving the cutter member to an output shaft of a motor of the shaver. A top side of a space where the gear wheel is located is covered by a partition, where only the drive shaft extends through this partition. Each shaving element can be individually opened by removing a top portion of the shaving element, including the cutter member, from a base portion of the shaving element where the gear wheel, the drive shaft and the partition are located. An opening system may be provided to open all the shaving elements in one action by reversal of the direction of rotation of the output shaft, for example. Full Article
r Folding blade knife with a system for locking the blade in an unfolding position By www.freepatentsonline.com Published On :: Tue, 21 Apr 2015 08:00:00 EDT A system for locking a blade of a knife with a folding blade in an unfolded position includes a handle-forming part for a user to grasp, and a blade pivotably mounted relative to this handle-forming part. The blade pivots to adopt either an unfolded position for use, or a foldaway position for storage, wherein it is partially concealed in the handle-forming part. A first locking element on a top of the knife, cooperates with the blade and adopts a first position of locking the blade in the unfolded position and a second release position of the blade A second locking element cooperating with the first locking element, adopts a first position of locking the first locking element in the first locking position of the blade, and a second release position wherein the second locking element forces the first locking element to adopt the second release position of the blade. Full Article
r Perforated food ladle By www.freepatentsonline.com Published On :: Tue, 21 Apr 2015 08:00:00 EDT A perforated food ladle includes a bowl member having a one-quart capacity. The bowl is uniformly perforated throughout its surface area. An elongate handle has its lower end attached to the rim of the bowl. The upper end of the handle terminates in a bend or hook portion. Vertically aligned capacity markings are disposed on the outer surface of the bowl. Full Article
r Utility knife blades having multiple cutting portions and securing connections By www.freepatentsonline.com Published On :: Tue, 21 Apr 2015 08:00:00 EDT A three-sided disposable cutting blade for use within a utility knife. The cutting blade features between three and six distinct cutting portions. The cutting blade may be rotated and flipped such that each cutting portion may be presented from the utility knife as the active cutting portion. Features of the cutting blade include a wear-coat indicator which is located at or near each cutting portion and indicates when a portion has been used; grippable locations on the body of the blade to increase the grippibility of the blade when removing and handling the blade; multiple mounting-hole orientations; and mass-reducing punch-outs which reduce cutting friction of the blade against the object being cut. Full Article
r Dustless drywall cutting tool By www.freepatentsonline.com Published On :: Tue, 21 Apr 2015 08:00:00 EDT A drywall-cutting tool comprises a rotary blade of a thin design that cuts a very small kerf resulting in a smooth cut as well as a small amount of dust. Any dust that is generated is immediately vacuumed away by an on-board vacuum system that collects the dust in a removable dust bag. Additionally, the saw is provided with an adjustable depth mechanism for the most common thicknesses of drywall. This feature allows for accurate cuts, especially in remodeling scenarios where drywall must be cut without damaging other building components behind the drywall. Full Article
r Razor cartridge with skin contact element By www.freepatentsonline.com Published On :: Tue, 28 Apr 2015 08:00:00 EDT A razor cartridge has a housing, a guard located at a front of the housing and a cap located at a rear of the housing. A skin contact element is disposed in the housing partway between the guard and the cap. A skin contact plane defines a plane tangential to the guard and the skin contact element and a plane tangential to the skin contact element and the cap. One or more blades are located between the guard and the skin contact element, each of the blades having a cutting edge located at a distance y1 between 70 μm and 300 μm and at an angle α1 between 20° and 45° below the skin contact plane. One or more blades are located between the skin contact element and the cap, each of the blades having a cutting edge located at an angle α2 above or below the skin contact plane, wherein α2 is lower in magnitude than α1. Full Article
r Handheld working tool By www.freepatentsonline.com Published On :: Tue, 28 Apr 2015 08:00:00 EDT The present invention concerns a handheld working tool comprising a motor part (10), a handle part (20) comprising a handle grip (21), and at least one first type antivibration element (30) arranged between said motor part (10) and said handle part (20), and which element (30) is adapted to isolate the handle part (20) from vibrations in the motor part (10). The working tool (1) is characterized in that it further comprises at least one second type antivibration element (40) arranged adjacent to the first type antivibration element (30). The at least one second type antivibration element (40) is adapted to, when in an active state, prevent vibrations in the motor part (10) from being transferred to the handle grip (21). The second antivibration element (40) is in the active state when the handle grip (21) is loaded during operation of the working tool (1). The working tool is further characterized in that a longitudinal axis (L1) of the second type antivibration element (40) is separated from a longitudinal axis (L2) of the first type antivibration element (30). Full Article
r Cutting tool with variable mechanic advantage By www.freepatentsonline.com Published On :: Tue, 28 Apr 2015 08:00:00 EDT A hand-operated cutting tool includes first and second cutting members pivotally connected at a first pivot point, a lever having a longitudinal axis and pivotally connected to the first cutting member at a second pivot point, and a translatable curvilinear pivot connection between the lever and the second cutting member. Full Article
r Pizza cutter By www.freepatentsonline.com Published On :: Tue, 05 May 2015 08:00:00 EDT A pizza cutter includes at least one blade, a handle attached to the blade, and extenders for positioning the cutter in a pizza box to cut uniform slices of pizza. The blade may be a single blade or two blades forming a 90 degree “X”. The handle is attached across the top of the blade and may include slots to better grasp the handle. The extenders are attached to opposite ends of the cutter and may be fixed or rotating, and intersect opposite corners of the pizza box to align the blade to cut uniform slices. Full Article
r Protective riser guide for scissors By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT A protective riser guide for scissors is provided in the present disclosure. In certain embodiments, the protective riser guide is integrally formed with an arm of a pair of scissors. In other embodiments, the protective riser guide is removably attached to the exterior surface of a scissor arm. Preferably, the protective riser guide is in the shape of an arc extending away from the interior surface of the arm if the guide is integrally formed with the arm, or from the exterior surface if the guide is removably attached to the exterior surface. Due to the shape and position of the protective riser guide on the arm of a pair of scissors in certain embodiments, the protective riser guide is ergonomic and increases the safety of the operator of the scissors without interfering with the operator's cutting techniques. Full Article
r Rotary electric shaver By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT A rotary electric shaver generally includes a handle assembly including a housing, a motor disposed in the housing, a plurality of drive shafts operatively connected to the motor and extending at least in part exterior of the housing, and a head assembly mount separate from the plurality of drive shafts, wherein the head assembly mount has a longitudinal axis. A shaver head assembly is positionable on the handle assembly, and the shaver head assembly has a circumference and includes a plurality of inner cutters each operatively connectable to a respective one of the drive shafts for conjoint rotation therewith, and a plurality of outer cutters each corresponding to a respective one of the inner cutters. The shaver head assembly is configured for mounting on the head assembly mount such that the shaver head assembly is capable of pivoting movement relative to the handle housing about the entire circumference of the shaver head assembly. Full Article
r Low resistance hair clipper blade tooth profile By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT 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. Full Article
r Jab saw accessory tool for an oscillating tool By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT 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. Full Article
r Surgical probe By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT 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. Full Article
r Shaving blade unit and shaver having such a blade unit By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT 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. Full Article
r Razor blade technology By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT 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. Full Article
r Vegetation trimmer By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT A vegetation pruning device includes a cutting element; a guide bar for supporting the cutting element, the guide bar having a guide bar plane, the guide bar being pivotable in the guide bar plane about a fixed axis; a motor having a motor shaft for rotatably driving the cutting element; a motor housing for receiving the motor; a guiding mechanism connected to the motor housing, the guiding mechanism having a longitudinal axis; a handle assembly operable to move linearly along the longitudinal axis; and a transmission device for connecting the handle assembly to the guide bar through, the transmission device converting a linearly movement of the handle assembly to a pivoting movement of the guide bar, the cutting element thereby approaching or withdrawing from a workpiece to be sawn. Full Article
r Indicia for razor with a rotatable portion By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT 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. Full Article
r Reciprocating saw dust shroud By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A dust shroud for reciprocating saws has a shroud body with bristles, a vacuum port and an attachment collar attached to the shroud body. The shroud has a slot formed through the collar and shroud body and is expandable and collapsible to fit different sizes of reciprocating saws. Full Article
r Hair clipper with a rotary motor vibration and noise damper By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT 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. Full Article
r Shoe accessory for a saw By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT An accessory for a reciprocating saw, having a blade configured to cut a workpiece and a shoe including a guiding surface for engaging the workpiece, includes a body having a first face and a second face opposite the first face. The body includes a member proximate the second face for coupling the accessory to the shoe. A guiding surface is defined on the first face of the body for engaging a workpiece and an opening is formed in the body for receiving the blade. The guiding surface constitutes a modified surface configured to differ from the guiding surface of the shoe by at least one characteristic. Full Article
r Safety scalpel with replaceable blade cartridge and safety brake By www.freepatentsonline.com Published On :: Tue, 11 Aug 2015 08:00:00 EDT 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. Full Article
r Vehicle driving apparatus By www.freepatentsonline.com Published On :: Tue, 03 Mar 2015 08:00:00 EST A rear wheel driving apparatus (1) includes: a first right-left communication passage (FP) through which a left reservoir (RL) and a right reservoir (RR) are communicated with each other; and a second right-left communication passage (SP) which is provided in parallel with the first right-left communication passage (FP) and through which the left reservoir (RL) and the right reservoir (RR) are communicated with each other. Thus, flowability of a liquid fluid stored in a case (11) is enhanced, and smoothing of a fluid level is enabled. Full Article
r Gear unit at least partially filled with oil By www.freepatentsonline.com Published On :: Tue, 03 Mar 2015 08:00:00 EST A gear unit at least partially filled with oil, wherein a device is provided in the gear unit for lowering the oil level, especially of the oil pan of the gear unit, during operation, the device including at least one temporary storage. Full Article
r Gear unit By www.freepatentsonline.com Published On :: Tue, 10 Mar 2015 08:00:00 EDT A gear unit having at least one shaft supported by a bearing in the gear unit housing, the spatial region of a bearing of a shaft situated in a cutout of the gear unit housing being limited at least partially towards the interior of the gear unit by a limiting device, in particular one that has a cutout for a shaft supported in the bearing,the lowest point of the cutout effecting a minimum oil level in the spatial region of the bearing. Full Article
r Oil supply device for an internal combustion engine By www.freepatentsonline.com Published On :: Tue, 10 Mar 2015 08:00:00 EDT 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). Full Article
r Integrated thermal management system and environmental control system for a gas turbine engine By www.freepatentsonline.com Published On :: Tue, 17 Mar 2015 08:00:00 EDT 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. Full Article
r Apparatus and method for operating a gas turbine engine during windmilling By www.freepatentsonline.com Published On :: Tue, 17 Mar 2015 08:00:00 EDT 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. Full Article
r Turbomachinery with integrated pump By www.freepatentsonline.com Published On :: Tue, 17 Mar 2015 08:00:00 EDT 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. Full Article
r Dual-line pump unit, lubrication system, and related apparatus and method By www.freepatentsonline.com Published On :: Tue, 17 Mar 2015 08:00:00 EDT 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. Full Article
r Compressor By www.freepatentsonline.com Published On :: Tue, 17 Mar 2015 08:00:00 EDT Disclosed is a compressor capable of having an enhanced performance by sufficiently supplying oil to components where sliding occurs not only in a high speed driving mode but also in a low speed driving mode. The compressor may increase an oil supply amount in a low speed driving mode, but may restrict an oil supply amount when a rotation speed of a driving motor reaches a predetermined speed in a constant or high speed driving mode, by setting the number of turns of an external groove to be approximately 1.75, and by forming an oil feeder in a conical shape. Full Article