m Adjustable welding head for multiple electrode cladding By www.freepatentsonline.com Published On :: Tue, 10 Feb 2015 08:00:00 EST A welding head is provided. The welding head includes a bracket and a plurality of blocks coupled to the bracket. Each of the plurality of blocks has a contact tip. The contact tips are adapted to receive an electrode. Further, at least one of the plurality of blocks is capable of variable positioning relative to the bracket. Full Article
m Non-contact and non-disposable electric induction LED lamp By www.freepatentsonline.com Published On :: Tue, 31 Mar 2015 08:00:00 EDT A non-contact and non-disposable electric induction LED lamp includes a power source and a luminous-radiating unit combined together. The power source is formed with a power source module electrically connected with a first electric induction plate, while the luminous-radiating unit is provided with a second electric induction plate corresponding with the first electric induction plate and electrically connected with an LED module. Thus, the electricity of the power source can be transmitted to the luminous-radiating unit via electromagnetic induction produced between the first and the second electric induction plates to enable the LED module to emit light. The LED lamp of this invention can partially be replaced conveniently and has water proof and dustproof effects. Full Article
m Means for processing sheets of material By www.freepatentsonline.com Published On :: Tue, 17 Jan 1984 08:00:00 EST Method and apparatus for tri-axially aligning, folding, trimming and edge stitching a cloth sheet particularly adapted for making pockets for garments. Full Article
m Open sleigh that disassembles to a generally flat storage position and assembles into an interlocked operating position By www.freepatentsonline.com Published On :: Tue, 31 Dec 1985 08:00:00 EST A sleigh for travel over a snow covered surface adapted to be disassembled or knocked down into a storage or transport position, from an operating position, is shown. Runners of the sleigh are pivotally connected to a floorboard along side edges thereof. The runners are locked into an operating position and may be unlocked to fold against a bottom surface of the floorboard in a stored position. An upper body including a seat is formed of multiple planar pieces which are dependently interlocked with each other for assembly and later disassembly. Means are provided for interlocking the runners to a hitching assembly to which a horse is conventionally harnessed. Full Article
m Animal drawn adjustable implement cart By www.freepatentsonline.com Published On :: Tue, 22 Jul 2003 08:00:00 EDT A two wheeled, height adjustable cart for pulling farm implements and maintaining a stable height for the cart relative to the field includes a pair of spaced wheels to which main frame members are connected and extend upwardly therefrom. A work platform having a seat for an operator is slidably mounted on the main frame members and selectively movable between an elevated position and a lowermost position, and attached to the work platform is the farm implement which is raised and lowered concomitant with the movement of the work platform from the elevated position to the lowermost position. Foot pedals mounted on the work platform actuate the raising of the work platform to the elevated position and the lowering of the work platform to the lowermost position. In addition, position setting mechanisms mounted on the main frame members allows the operator to set the lowermost position to which the work platform will descend, and which determines the depth the farm implement will extend into the soil, and also allows the operator to raise the work platform and the attached farm implement when both are stationary, or when the cart is stationary for undergoing maintenance. Full Article
m Method for correcting calibration values in a calibration table of computed tomography apparatus By www.freepatentsonline.com Published On :: Tue, 18 Nov 2003 08:00:00 EST In a method for correcting a calibration table T(n,k) of a CT apparatus that contains calibration values, the CT apparatus having a detector system with N≧2 rows of detector elements following one another in the z-direction that include a first active row of detector elements in the z-direction and a last active row of detector elements in the z-direction, for correcting the calibration values of the aforementioned first and last active rows of detector elements, a reference vector R(k) is produced, the error is determined with respect to the first and last active rows of detector elements, and the error F(n,k) of the first and last active rows of detector elements is subtracted from the corresponding calibration values of the calibration table T(n,k) for determining corrected calibration values Tcor(n,k) with respect to the first and last active rows of detector elements. Full Article
m Yttria sintered body, ceramic member using yttria sintered body, and manufacturing method of yttria sintered body By www.freepatentsonline.com Published On :: Tue, 20 May 2008 08:00:00 EDT A yttria sintered body is provided which includes yttria as a principal ingredient and 5 to 40 vol. % silicon nitride, and which exhibits enhanced corrosion resistance and mechanical strength. Full Article
m Image enhancement method and system for fiducial-less tracking of treatment targets By www.freepatentsonline.com Published On :: Tue, 21 Apr 2009 08:00:00 EDT A method and system are presented for enhancing one or more images of an object, so as to increase the visibility within the images of one or more structures within the object. The object may be an anatomical region of a patient, and may include one or more reference structures, for example skeletal structures or vertebral structures, and one or more treatment targets, for example tumors or lesions. An operator, for example a top-hat filter operator, selects at least a first neighborhood and a second neighborhood within the images. The operator selects within each neighborhood one or more pixels having an optimal pixel value, and eliminates the remaining pixels in these neighborhoods. When the operator is applied to the selected neighborhoods, only the pixels having the greatest pixel values remain in the selected neighborhoods, and the remaining pixels are eliminated in the selected neighborhoods. As a result, desired features can be located and enhanced in the images. Full Article
m Method and apparatus for charging electric devices By www.freepatentsonline.com Published On :: Tue, 15 Mar 2011 08:00:00 EDT Disclosed is a method and apparatus for charging electrically powered devices. In accordance with the invention, the device is powered by two storage devices. One storage device is capable of receiving a substantial charge very rapidly while the other storage device requires a longer time to receive a charge. The advantage is that the powered device can be used almost instantly and continually while at the same time rebuilding electrical charge. Full Article
m Method and apparatus for protecting charging devices from surges and lightning strikes By www.freepatentsonline.com Published On :: Tue, 15 May 2012 08:00:00 EDT Disclosed is a method and apparatus for charging electrically powered devices. In accordance with the invention, the device is powered by two storage or charge receiving devices. One of these devices is capable of receiving a substantial charge very rapidly while the other device requires a longer time to receive a charge. The advantage is that the powered device can be used almost instantly and continually while at the same time rebuilding electrical charge. The present invention further relates to a system for protecting the charging device from being damaged from an electrical surge, such as from a lightening strike. Full Article
m Linear actuator for a variable-geometry member of a turbocharger, and a turbocharger incorporating same By www.freepatentsonline.com Published On :: Tue, 31 Mar 2015 08:00:00 EDT A linear actuator for a variable-geometry member of a turbocharger includes a piston/rod assembly that can axially translate and also pivot to a limited extent. A permanent magnet is mounted in a fixed position within the actuator. A non-magnetized flux carrier is mounted in the piston/rod assembly, and its movement alters the magnetic field of the magnet. A Halls effects sensor detects the magnetic field and the signals produced by the sensor are used for determining axial position of the piston/rod assembly. Full Article
m Compressor By www.freepatentsonline.com Published On :: Tue, 31 Mar 2015 08:00:00 EDT The compressor is provided with an oil separator for separating oil from refrigerant gas introduced into a separation chamber, an annular space for reserving oil separated from the refrigerant gas, and a reservoir chamber for reserving the thus separated oil. The oil separator is provided in a cylindrical hole formed in a discharge chamber from which the refrigerant gas is discharged and a lid for partitioning the cylindrical hole from the discharge chamber is provided in the cylindrical hole. The oil separator introduces the refrigerant gas from the discharge chamber to the separation chamber via the introduction passage. The annular space is provided around the lid and connected to the reservoir chamber via an oil passage. The reservoir chamber is connected to a crank chamber of a pressure lower than that in the discharge chamber. Full Article
m Compressors with improved sealing assemblies By www.freepatentsonline.com Published On :: Tue, 31 Mar 2015 08:00:00 EDT A compressor includes a housing; a compressor liner positioned within the housing and at least partially defining a first cylinder with an inlet and an outlet; a piston positioned within the first cylinder and configured to compress air flowing into the first cylinder through the inlet; a cylinder head at least partially defining the first cylinder; and a sealing assembly for sealing an interface between the compressor liner and the cylinder head. The sealing assembly includes a ring seal at an interface between the cylinder head and the compressor liner; a vent port on an opposite side of the ring seal from the first cylinder; and a vent tube extending between the vent port and the inlet such that air leaking through the ring seal from the first cylinder flows through the vent port, through the vent tube, and into the inlet. Full Article
m Reinforced thermoplastic actuator with wear resistant plastic liner By www.freepatentsonline.com Published On :: Tue, 31 Mar 2015 08:00:00 EDT A fluid actuator includes a housing having a fluid chamber providing a first friction surface. An actuating member is arranged in the fluid chamber and has a second friction surface slideably engaging the first friction surface. The actuating member is configured to slide within the chamber between first and second positions. An insert is constructed from a first thermoplastic material and provides one of the first and second friction surfaces. A body structurally supports the insert and provides one of the housing or actuating member. The body is constructed from a second thermoplastic material molded about the insert and including short reinforcing fibers. Full Article
m Variable displacement swash plate type compressor By www.freepatentsonline.com Published On :: Tue, 31 Mar 2015 08:00:00 EDT The present invention provides a variable displacement swash plate type compressor that reduces wear of cylinder bores and the amount of blow-by gas. Each piston of the compressor has a piston main body, which has a distal portion located at an end corresponding to the compression chamber. A tapering portion and an arcuate portion are formed in the distal portion. The arcuate portion is continuous with an end of the tapering portion that is closer to the compression chamber. The tapering portion and the arcuate portion each have a diameter that increases toward the skirt. The tapering portion has a tapering angle that is in a range from 0.45 degrees to 1.5 degrees. The distance between the distal end of the piston main body and a starting point of the tapering portion on an end closer to the skirt is set in a range from 1.5 mm to 5.0 mm. Full Article
m Combination cylinder with power-transmitting transmission having variable gear ratio By www.freepatentsonline.com Published On :: Tue, 31 Mar 2015 08:00:00 EDT The invention relates to a combination cylinder, including a service brake cylinder as an active service brake with at least one service brake piston actuated by a pressure medium, the piston actuating a brake mechanism via a service brake piston rod, and further including a spring-loaded brake cylinder as a passive parking brake with a spring-loaded brake piston actuated by a pressure medium against the action of at least one pre-loaded spring, wherein the spring-loaded brake piston in the event of the parking brake is actuated transmits the power of the at least one pre-loaded spring by means of a power-transmitting transmission to the service brake piston rod. According to the invention, the transmission is designed such that the movements of the spring-loaded brake piston and the service brake piston rod are coaxial and the power transmission increases with increasing stroke of the spring-loaded brake piston. Full Article
m Leak-proof damper having self-diagnostic feature By www.freepatentsonline.com Published On :: Tue, 31 Mar 2015 08:00:00 EDT A leak-proof damper with a self-diagnostic feature. An auxiliary oil reservoir body is disposed externally with respect to the damper cylinder and generally adjacent the rod seal, wherein the auxiliary oil reservoir body is concealed by an end cap. The maximum volume of oil retainable by the auxiliary oil reservoir body is predetermined to coincide with a volume of oil which may be lost from the interior of the damper cylinder and yet the damper will still function properly. The auxiliary oil reservoir body may be a seal body having an internal cavity providing an oil retention volume or an absorbent body having an absorbency capacity that provides an oil retention volume. Full Article
m Integrated magnetostrictive linear displacement transducer and limit switch for an actuator By www.freepatentsonline.com Published On :: Tue, 07 Apr 2015 08:00:00 EDT The present invention relates to a position sensor and limit switch apparatus for an actuator. The actuator has a cylinder and a piston with at least one magnetized portion reciprocatingly disposed within the cylinder. The apparatus includes an elongate housing aligned parallel with the cylinder. A magnetostrictive linear displacement transducer is disposed within the housing for sensing the position of the at least one magnetized portion. The apparatus includes a switch means responsive to the transducer for operatively interrupting actuation of the piston upon the at least one magnetized portion reaching a limit position. Full Article
m Pneumatic actuator By www.freepatentsonline.com Published On :: Tue, 07 Apr 2015 08:00:00 EDT A pneumatic actuator comprises a containment jacket (2) and an activating bar (14) mounted through the containment jacket (2) and able to move between a first operating position and a second operating position. The actuator (1) also comprises a fixed part (23) integral with the jacket (2) having a main axis of extension (X), and a mobile part (26) slidably connected to the fixed part (23), and operatively connected to the activating bar (14) in such a way that it moves with the bar. The fixed part (23) also comprises at least a core (25) made of ferromagnetic material extending along the axis (X). Two magnets (29) are attached to the mobile part (26) on diametrically opposite sides relative to the main axis of extension (X). The mobile part (26) can also move relative to the fixed part (23) between a first position of maximum magnetic uncoupling between the magnets (29) and the ferromagnetic core (25), and a second position of maximum magnetic coupling between the magnets (29) and the ferromagnetic core (25). Finally, a sensor (30) for detecting the magnetic field is mounted at one end of the ferromagnetic core (25). Full Article
m Piston-cylinder assembly having integrated measuring device By www.freepatentsonline.com Published On :: Tue, 07 Apr 2015 08:00:00 EDT A piston-cylinder assembly, in particular for pneumatic, hydraulic or mechatronic systems, includes a cylinder housing and a piston. The piston is coupled to a piston rod and disposed in the cylinder housing such that it can move along a longitudinal axis. A measuring device for detecting piston or piston rod position is provided inside the cylinder housing. Full Article
m Wobble plate-type variable displacement compressor By www.freepatentsonline.com Published On :: Tue, 07 Apr 2015 08:00:00 EDT Disclosed is a wobble plate type variable displacement compressor that uses a constant velocity universal joint mechanism, which comprises an inner ring and an outer ring, balls that are held between guide grooves of the inner ring and the outer ring to transmit power, wherein a wobble plate is connected and fixed to the outer ring. In the compressor, the wobble plate is provided with a cylindrical part which extends in the axial direction of a swash plate, and in the relative rotation structure between the swash plate, and the wobble plate and the outer ring, the swash plate is supported to be able to relatively rotate only in relation to the wobble plate via a bearing interposed at least between the cylindrical part and the inner diameter portion of the swash plate, without being supported to be able to rotate relative to the outer ring. With this wobble plate type variable displacement compressor using the specified constant velocity universal joint mechanism, the relative rotation structure between the wobble plate and the outer ring, and the swash plate, can be improved, workability and productivity can be improved, and the cost and weight can be reduced. Full Article
m Cylinder apparatus and method of manufacturing cylinder apparatus By www.freepatentsonline.com Published On :: Tue, 07 Apr 2015 08:00:00 EDT A metallic protecting cover is formed from two axially split members, i.e. a first protecting cover member secured to a mounting eye, and a second protecting cover member having an overall length shorter than that of each of first and second cylinders and having a predetermined gap between itself and the second cylinder. The second protecting cover member is press-fitted into the first protecting cover member secured to the mounting eye to integrate the first and second protecting cover members into the protecting cover. Accordingly, the lower end of the second cylinder can be caulked in a state where the second protecting cover member has been temporarily assembled to the second cylinder. Thus, it is possible to ensure the required strength of the protecting cover and to increase the degree of freedom in assembly process. Full Article
m Hydraulic system with bi-directional regeneration By www.freepatentsonline.com Published On :: Tue, 14 Apr 2015 08:00:00 EDT A hydraulic actuator system including an actuator and a valve assembly configured for bi-directional regeneration. The actuator may include a hollow body and a rod disposed within and extending outwardly from the hollow body. The rod may include a first chamber within the rod and a piston disposed at one end of the rod, defining a second chamber and a third chamber within the hollow body. A valve assembly may be in fluid communication with a first conduit, a second conduit, the first chamber, the second chamber, and the third chamber, wherein the valve assembly is configured to selectively couple one of the first conduit and the second conduit to one or more of the first port, the second port, and the third port, wherein one of the first conduit and the second conduit is configured as a pressure source. Full Article
m Variable displacement radial piston fluid working machine By www.freepatentsonline.com Published On :: Tue, 14 Apr 2015 08:00:00 EDT A variable displacement fluid working machine includes an inward ring and an outward ring, one of the inward ring and the outward ring including a rotatable ring cam coupled to a drive shaft, the other including a plurality of radially extending piston cylinders circumferentially spaced around the respective ring. The outward ring has first and second axially spaced structural members and a plurality of demountable blocks demountably retainable therebetween, the demountable blocks having either piston cylinders or ring cam segments. The demountable blocks are removable radially to facilitate maintenance and repair and to facilitate radial access to the inward ring. Full Article
m Pump systems and associated methods for use with waterjet systems and other high pressure fluid systems By www.freepatentsonline.com Published On :: Tue, 14 Apr 2015 08:00:00 EDT High pressure pump systems with reduced pressure ripple for use with waterjet systems and other systems are described herein. A pump system configured in accordance with a particular embodiment includes four reciprocating members operably coupled to a crankshaft at 90 degree phase angles. The reciprocating members can include plungers operably disposed in corresponding cylinders and configured to compress fluid (e.g., water) in the cylinders to pressures suitable for waterjet processing, such as pressures exceeding 30,000 psi. Full Article
m Fluid cylinder mechanism By www.freepatentsonline.com Published On :: Tue, 14 Apr 2015 08:00:00 EDT A fluid cylinder mechanism (1) equipped with a cylinder (10) having a base end (12) and an open end (11), and a piston (20) having a flange portion (21) disposed inside the cylinder and a rod portion (25) that passes through the open end of the cylinder, in which a space inside the cylinder is partitioned by the flange portion of the piston into a first pressured chamber (14) on a side of the base end and a second pressurized chamber (15) on a side of the open end, is characterized by including: a first flow path (22) that permits flow of a fluid from the first pressurized chamber to the second pressurized chamber; a second flow path (32) that permits flow of the fluid from the second pressurized chamber to the first pressurized chamber; and an opening and closing means (35) for opening and closing the second flow path. Full Article
m Piston assembly for internal combustion engine By www.freepatentsonline.com Published On :: Tue, 14 Apr 2015 08:00:00 EDT A piston assembly includes a piston having a crown with an upper combustion surface with a cylindrical outer surface extending downwardly from the upper combustion surface. A pair of pin bosses depends from the crown to a pair of pin bores having generally cylindrical bearing surfaces aligned along a pin bore axis with a top wall portion extending between the pin bosses. The top wall portion has a concave bearing surface forming a continuous concave bearing surface with the pin bores. A separate skirt is fixed to the piston against relative movement. At least one rib extends upwardly from the top wall portion of the piston on opposite sides of the pin bore axis to a lower wall surface of the crown. The at least one rib joins the crown to the top wall portion to provide structural support to the top wall portion against unwanted deflection. Full Article
m Methods and systems for managing a clearance gap in a piston engine By www.freepatentsonline.com Published On :: Tue, 14 Apr 2015 08:00:00 EDT A piston engine may include a heat pipe capable of transferring heat away from a portion of the piston engine such as a combustion section. The heat pipe may be included as part of a piston assembly, a cylinder, or both. The heat pipe may be filled with a suitable heat pipe fluid that may undergo a phase change such as, for example, water, ethanol, ammonia, sodium, other fluids or combinations thereof. Boiling and condensing of the fluid within the heat pipe may utilize the latent heat of the fluid during heat transfer. Multiple heat pipes may be used in some instances. Full Article
m Parking brake piston for a parking brake chamber By www.freepatentsonline.com Published On :: Tue, 14 Apr 2015 08:00:00 EDT A spring-type brake actuator for a pneumatically-operated vehicle brake is provided, in which the parking brake release piston is formed from at least one stamped actuator piston plate, preferably a stamped aluminum plate. Preferably the biasing force of the power spring of the spring brake actuator bears on a stamped spring seat cap element which is interposed between the power spring and the stamped actuator piston plate. In addition, the parking brake release piston flexible diaphragm may be captured between the stamped actuator piston plate and a stamped backing plate by affixing the backing plate to a joining member, where the joining member includes a threaded insert to receive a manually-actuated parking brake release actuation tool. Full Article
m Transmission shifting element decelerator By www.freepatentsonline.com Published On :: Tue, 14 Apr 2015 08:00:00 EDT A transmission may include gears and a clutch to allow the transfer of torque, at a variety of gear ratios, between an input shaft and an output shaft. The clutch may include a cushion piston to decrease the velocity of a transmission piston before the transmission piston engages a clutch element. The cushion piston may be contained within the transmission piston and configured so the cushion piston ceases movement toward the clutch element before the transmission piston. The pistons may be coupled together such that the cushion piston may resist movement of transmission piston toward the clutch element. Full Article
m Adjustable dose chamber By www.freepatentsonline.com Published On :: Tue, 14 Apr 2015 08:00:00 EDT A compressible fluid powered device includes a dose chamber. An inlet supplies pressurized fluid to the dose chamber. An outlet for releases pressurized fluid from the dose chamber. A moveable divider divides the dose chamber into a primary space and a secondary space, movement of the divider expanding one space at the expense of the other. At least one flow pathway from one space to the other, which collectively allow gas to flow in both directions past the divider and pressure to equalize across the divider, the flow pathway being much more limited than the outlet. Full Article
m Multiple accumulator systems and methods of use thereof By www.freepatentsonline.com Published On :: Tue, 21 Apr 2015 08:00:00 EDT The invention is an accumulator system in which multiple elastomeric accumulators are attached in series or parallel in order to generate total differential pressure in excess of that generated in a non-series system. Also disclosed is a “stacked” accumulator system. The system stores energy when the accumulators deform from their original shape in response to the flow of a pressurized fluid. The stored energy is available for use when the fluid is released from the accumulators and the accumulators return to their original shape. Full Article
m Hydraulic cylinder with piston valve assembly By www.freepatentsonline.com Published On :: Tue, 21 Apr 2015 08:00:00 EDT A hydraulic cylinder includes a cylinder assembly having a cylinder, defining an inner hydraulic chamber and being for reciprocating receipt of a piston and piston rod therein; a piston rod extending from the inner hydraulic chamber exteriorly of the cylinder; and a piston head assembly connected with the piston rod and disposed for reciprocation within the cylinder assembly. The piston head assembly includes a piston head and a valve assembly including a passageway defined in the piston head and a valve member having an outer surface and being sized and configured for reciprocation in the passageway between extended and retracted positions therein, the valve member defining at least one flat defined along the outer surface and at least one transition surface between the outer surface and the flat, the transition surface forming an angle with the flat of between about 40 and 50 degrees. Full Article
m Rotary machine with pistons and a barrel By www.freepatentsonline.com Published On :: Tue, 21 Apr 2015 08:00:00 EDT The invention relates to a rotary machine with pistons (22) and a turret (25), including: —a frame (2), through which a shaft (1) extends, having a geometrical axis x-x' and mounted in a stationary manner relative to the frame (2); —a thrust plate (9) rotatably mounted on the shaft (1); —an oscillating plate (15) bearing on the thrust plate (9); —a torsion bar (18), a first end of which is pivotably connected to the frame (2) and a second end of which is pivotably connected to the oscillating plate (15); —a spherical female bushing (14) rigidly connected to the oscillating plate (15) and pivotably connected around a spherical male knuckle centered on the shaft (1), the knuckle including a spherical male bushing (10) rotatably mounted relative to the shaft (1), characterized in that the rotary machine includes a means for rotating the spherical male bushing (10) about the geometric axis x-x'. Full Article
m Pneumatic port shield By www.freepatentsonline.com Published On :: Tue, 21 Apr 2015 08:00:00 EDT A port shield assembly includes a cup, a fitting, and a retaining pin. The cup includes a top with a hole, a sidewall, a cavity defined by the top and the sidewall, and a side port in the side wall. The fitting includes a body with a first end and a second end, a flange at the first end, and a central bore extending from the first end. The fitting also includes a port that communicates with the central bore, and a cross bore near the second end. The fitting extends through the hole of the cup and a retaining pin is disposed in the cross bore to retain the cup between the first end and the second end of the fitting. Full Article
m Membrane valve By www.freepatentsonline.com Published On :: Tue, 21 Apr 2015 08:00:00 EDT A membrane valve comprising a first and a second valve housing part and a membrane clamped between the valve housing parts comprises a peripherally surrounding bead on the membrane and a thin, axially movable membrane portion adjacent thereto. The bead is supported by the two valve housing parts and is provided with an undercut at a radial inner side. Further, a membrane for installation in a membrane valve is provided. Full Article
m Multi-layer primer apparatus and methods By www.freepatentsonline.com Published On :: Tue, 28 Apr 2015 08:00:00 EDT Primer apparatus and methods are described herein. An example primer apparatus includes a flexible body defining an internal chamber to be fluidly coupled to a fuel system. The body includes a first layer material having a low permeation characteristic to substantially prevent diurnal emissions from escaping the fuel system, a second layer material adjacent the first layer material having a relatively high resiliency compared to the first layer material to enable the body to return to an uncompressed shape when the body is deflected and released by a user, and a third layer material adjacent to the first layer material such that the first layer material is disposed between the second layer material and the third layer material and having a relatively high resiliency compared to the first layer material to enable the body to return to the uncompressed shape when the body is deflected and released by the user. Full Article
m Reciprocating compressor By www.freepatentsonline.com Published On :: Tue, 05 May 2015 08:00:00 EDT Provided is a reciprocating compressor having a structure in which friction losses between a shaft and a bearing can be reduced without impairing the ability of the bearing to support the shaft. A reciprocating compressor (100) includes a cylinder (5), a piston (4), a connecting rod (6), a shaft (1), and a bearing (2). The shaft (1) has a journal portion (28) as a portion covered by the bearing (2). The journal portion (28) has a first journal portion (7) located closer to the connecting rod (6) with respect to a midpoint M of the journal portion (28) in a direction parallel to a rotational axis and a second journal portion (8) located farther from the connecting rod (6) with respect to the midpoint M. The bearing (2) has a first sliding portion (10) for supporting the first journal portion (7) and a second sliding portion (11) for supporting the second journal portion (8). The first sliding portion (10) has a first recessed portion (29) in at least one range selected from a range of 0° to 180° and a range of 270° to 360° in a rotational direction of the shaft (1) from a reference position. Full Article
m Disc component for gas control valves By www.freepatentsonline.com Published On :: Tue, 05 May 2015 08:00:00 EDT A disc for use in a pneumatic valve includes a stiffening insert encased in a flexible body. The stiffening insert acts to protect a central actuation region of the disc against radial compression, which may arise if the disc is used to seal against a bore hole, and against material flow towards the actuation region away from a clamped periphery. The behavior of the disc in a valve assembly is therefore more predictable and reproducible. The flexible body may further be tensioned across the stiffening insert. Full Article
m Piston-cylinder unit with device for determining position By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT The present disclosure relates to a piston-cylinder unit with a device for determining position, the device comprising at least one exciter that is indirectly or directly electrically connected with the cylinder jacket and the cylinder piston of the piston-cylinder unit, and that excites the electrical oscillating circuit formed by the piston-cylinder unit and the contact lines to oscillate at its resonant frequency, it being possible to measure an electrical signal characterizing the resonant frequency on the piston-cylinder unit. The invention also relates to a construction machine or piece of hoisting equipment with such a piston-cylinder unit. Full Article
m Piston ring with improved lubrication delivery By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT A piston ring has a body member for sitting in a ring groove of a piston. The body member has an inner periphery, upper wall, lower wall and an outer periphery. The outer periphery has a concavity therein for storing lubricant therein. The upper wall has an outer section proximate to the outer periphery is constructed to be resiliently flexible between a flexed and unflexed position such during a portion of a power stroke, the volume of the concavity to store the lubricant is decreased by the flexing of the upper wall to the flexed position for expelling lubricant therefrom to a wall of the cylinder. The wall resiliently returns to the unflexed position during other times to allow excess lubricant from the wall of the cylinder to pass into the concavity. Full Article
m Compact combined cylinder comprising a manual release device By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT A brake cylinder for pneumatic vehicle brakes, especially for commercial vehicles, includes in addition to a pneumatic locking mechanism, a manual release mechanism for manually releasing the spring brake section, and a device designed to visually recognize the manual release condition of the spring brake section outside of the housing. Full Article
m Cam follower roller device, notably for a fuel injection pump By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT Cam follower roller device, notably for an internal combustion engine fuel injection pump, comprising a tappet (12) and a roller (14) mounted to rotate on the tappet and intended to press against a cam. The tappet (12) comprises a roller support body (16), a shaft (26) for mounting the roller on the said body, and a guide sleeve (18) attached to the support body and at least partially surrounding the said body. The ends of the shaft are fixed in through-holes in the support body. Full Article
m Structure of active mount By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT An active mount structure may include an actuator coupled to an actuator plate coupled to an orifice plate within a housing, wherein the actuator includes a plunger coupled to the actuator plate, a first rod rotatably coupled to a bottom of the plunger and rotated by a first motor unit, wherein the first rod includes a rotating shaft rotatably coupled to the plunger, one side of the rotating shaft extending to form an extending portion, and a rotation retention portion formed at the extending portion, a swash plate defining a center hole therein and having shaft protrusions, wherein the first rod may be disposed in the center hole and the rotation retention portion may be engaged to the swash plate, and a second rod engaged at the swash plate and raised or lowered by a second motor unit, wherein the shaft protrusions may be rotatably coupled to the housing. Full Article
m Device for the pulsed release of an amount of fluid that is stored in a storage housing By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A device for the pulsed release of an amount (3) of fluid that is stored in a storage housing (2) includes a piston (5) biased by a first spring (4) and movable within the storage housing (2) to dispense the fluid by the spring bias, when triggered by an actuator (6) to release a lock holding the piston in place (7). The lock (7) has individual catches (8) keeping the piston (5) in its pretensioned position and, when actuated by the actuator (6), releases the piston (5). Full Article
m End member and gas spring assembly including same By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT An end member for a gas spring assembly is dimensioned to receivingly engage an end of a flexible wall. The end member can be formed from polymeric material and can include a side wall receiving the end of the flexible wall. The end member can also include a base wall extending transverse to the side wall and dimensioned to abuttingly engage a jounce bumper of the gas spring assembly. The end member can include a mounting ridge or a mounting channel for engaging an associated structural component. A gas spring assembly including such an end member is also included. Full Article
m Cut and rigidified construction component and method of manufacturing the same By www.freepatentsonline.com Published On :: Tue, 23 Dec 2014 08:00:00 EST A method of creating a bend in a construction component for use in a transportation vehicle. The method comprises providing a plurality of cuts in the construction component so as to create a region of increased flexibility in the construction component. The method further comprises bending the construction component in the region of increased flexibility so as to cause the construction component to acquire a bent shape, and then rigidifying the construction component in the region of increased flexibility so as to cause said construction component to maintain the acquired bent shape. Full Article
m Bumper assembly and method By www.freepatentsonline.com Published On :: Tue, 30 Dec 2014 08:00:00 EST A bumper assembly includes a bumper beam having a bumper beam surface extending along a bumper plane X and a crash box including a crash box surface extending along a crash box plane Y. One of the bumper beam and the crash box includes an alignment joint to mate the bumper beam and the crash box and dispose the surfaces in abutting and aligned relationship relative to one another for establishing a linear load path extending linearly along the planes X, Y. A method of assembling a bumper assembly includes the steps of mating the bumper beam and the crash box about the alignment joint and connecting the bumper beam and the crash box together along the alignment joint. The step of connecting the bumper beam and the crash box includes friction stir welding the bumper box and the crash box together along the alignment joint. Full Article
m Attachment structure for adjustable air diffuser By www.freepatentsonline.com Published On :: Tue, 30 Dec 2014 08:00:00 EST An adjustable air diffuser is disposed in an airflow channel into which a travelling wind is directed through an opening provided in a bumper face. The diffuser opens and closes the channel by movable louver blades driven by an actuator. An upper part of the diffuser is disposed to face a rear wall of the bumper face and is attached to a bumper beam extending along a vehicle width direction. A lower part of the diffuser is attached to a vehicle body structural member. The attachment structure includes a column that is disposed behind the adjustable air diffuser. A lower end of the column is attached to a lower end of the adjustable air diffuser. Weak portions are provided on the column such that the column breaks when the column interferes with another member behind the column. Full Article
m Pedestrian-friendly structure for motor vehicle front end By www.freepatentsonline.com Published On :: Tue, 13 Jan 2015 08:00:00 EST A pedestrian-friendly forward structure of a motor vehicle includes a grill opening reinforcement (GOR), a front fascia located forward of and spaced from the GOR, and a support bracket extending transversely to the vehicle forward of the GOR and rearward of the front fascia. The support bracket has a transverse cross-bar and left and right legs extending rearward from a cross-bar adjacent opposite ends thereof. The legs are attached to respective outboard positions on the GOR, and the cross-bar has an upper flange underlying an upper rear panel of the front fascia. If a pedestrian strikes the forward structure, the fascia and support bracket yield rearward in an injury-reducing manner. Full Article