Abstract: A turbine-driven alternator (i.e., a turbomachine) suitable for generating electrical power from process gas waste energy. In particular suitable for very high density process gases such as super critical CO2, R134a, R245fa, etc. The turboalternator comprises two separate machines, specifically, a turbine device and an alternator device operatively connected together by a coupling shaft. The rotating shaft assemblies for each machines on the turbine side and the alternator side are supported by hydrodynamic foil gas bearings. The foil gas bearings use process gas at the turbine side, enabling high-pressure operation (˜3000 psia) and thrust load balancing. At the alternator side, cooling fluid is used in the foil gas bearings, enabling high-speed (˜40,000 rpm), low-windage, oil-free operation with closed-loop shaft cooling.

Abstract: A feed diffuser is disclosed. The diffuser may comprise a base disposed orthogonal to a flow, a body extending from the base toward the flow, and an apex provided at a termination of the body in a direction toward the flow. The body may decrease in cross-sectional area from the base to the apex.

Abstract: The disclosure relates to a method for operating a positioning actuator system with an electronically commutated actuator drive for driving an actuator element, having the following steps: non-volatile storage of a position information item of the actuator element or of a rotor of the actuator drive which was detected last as a reference position before the positioning actuator system is switched off; in the case of switching on of the positioning actuator system retrieval of the reference position and actuation of the actuator drive by energizing the actuator drive in accordance with a space phasor which is dependent on the reference position. The object is to make available an improved method for releasing blockage of an actuator element or actuation after activation of a motor system with a maximum actuating torque. For positioning actuators with commutated motors such as, for example, synchronous motors.

Abstract: An actuating device for hydraulically actuating at least one setting element comprising a pump, which has an electric pump drive, with reversible pumping direction, at least one double-acting piston-cylinder arrangement, which is connected therewith and the piston of which is operatively connected with the setting element, and a hydraulic fluid reservoir from which the hydraulic fluid can be pumped to the piston-cylinder arrangement in order to hydraulically load the piston thereof for a setting element movement depending on pumping direction on one (effective surface 22) or other (effective surface 24) side. In this connection, the piston-cylinder arrangement is functionally associated with a detent device with a blocking element, which is spring-biased into a blocking position preventing setting element movement and is movable by an electrically activatable actuator from the blocking position into a release position permitting setting element movement.

Abstract: An apparatus has a pilot-operated spool valve connecting first and second work passages selectively to a supply conduit and a tank conduit. A first check valve normally allows fluid flow only in one direction from the first work passage to a first workport and when pilot-operated allows bidirectional fluid flow. A second check valve normally allows fluid flow only from the second work passage to a second workport and when pilot-operated allows bidirectional fluid flow. A first pilot valve selectively applies pressure to one end of the spool and to pilot operate the first check valve. A second pilot valve selectively applies pressure to another end of the spool and to pilot operate the second check valve. When fluid drains from a workport to the tank conduit, the associated check valve operates to maintain a predefined pressure in the first or second work passage through which that fluid flows.

Abstract: A rotary actuator includes a piston and rod coaxially disposed in a tube. The piston is configured for lateral displacement along the rod. Moreover, the tube includes an inner circumferential surface with a bearing portion having spherical bearing pockets in rows. Each bearing pockets in the tube includes a mated bearing for engagement with a slant groove body portion on an outer circumferential surface of the piston. The slant groove body portion of the piston includes at least two spiral grooves with a helix direction. The piston further includes an inner circumferential surface with a second spherical bearing pocket portion to engage a spiral groove portion of the axial rod disposed through the piston. As a result, linear motion of the piston engages the axial rod and forces the axial rod to rotate, thereby driving a platform affixed at an end cap of the axial rod to rotate.

Abstract: A rotary actuator includes a piston housing assembly including a cavity, a fluid port in cavity, and an open end. A rotor assembly is rotatably journaled in the piston housing assembly and includes a rotary output shaft, a rotor arm extending radially outward from the rotary output shaft, an arcuate-shaped piston disposed in said piston housing assembly for reciprocal movement in the piston housing assembly through the open end along a radius of curvature. A seal, the cavity, and the piston define a pressure chamber, and a portion of the piston connects to the rotor arm at an end portion.

Abstract: A braking actuator uses a single cylinder without using a spring to achieve a 3-position operation. A partition plate and an intermediate check plate are affixed within a cylinder at suitable intervals in the axial direction. Inserted movably in the axial direction of the cylinder are a first piston disposed between a pressing lid and the intermediate check plate, a second piston disposed between the intermediate check plate and the partition plate, and a third piston disposed between the partition plate and a pressing lid. A rod which is axially movable within the cylinder has a base end attached to the third piston and a tip end which extends outside from the cylinder through the partition plate, the second piston, the intermediate check plate, the first piston, and the pressing lid. A stopper affixed to a middle portion of the rod moves the first piston or the second piston.

Abstract: An actuator includes a cylinder, a piston, a rod, a rod-side chamber and a piston-side chamber, a tank, a first pump capable of supplying liquid to the rod-side chamber, a second pump capable of supplying the liquid to the piston-side chamber, a first control passage allowing communication between the rod-side chamber and the tank, a second control passage allowing communication between the piston-side chamber and the tank, a first variable relief valve capable of changing a valve opening pressure for permitting a flow of the liquid by being opened when a pressure in the rod-side chamber reaches the valve opening pressure, a second variable relief valve capable of changing a valve opening pressure for permitting a flow of the liquid by being opened when a pressure in the piston-side chamber reaches the valve opening pressure, and a center passage allowing communication between the tank and the interior of the cylinder.

Abstract: A boom driving device comprises a boom control valve causing a boom cylinder to elongate and contract. The boom control valve returns a hydraulic fluid discharged from an working chamber of the boom cylinder to a tank in a boom descending position A part of the discharged hydraulic fluid is branched in the upstream of the boom control valve and is supplied to a generator through a regenerative passage for power generation. The regenerative passage is provided with a regenerative control spool valve. The regenerative control spool valve is opened when a flow cross-sectional area of the hydraulic fluid flowing from the working chamber to the tank reaches a predetermined area while the boom control valve is in the descending position. According to this construction, it is possible to alleviate a shock that may be generated at the start of power generation by the generator.

Abstract: An exterior vehicle mirror assembly including an housing with a mirror glass disposed in the housing. A glass clamp connects the mirror glass and the housing. The glass clamp is slidably carried on both the mirror glass and the housing for moving between a locked position in which the glass clamp secures the mirror glass to the housing in a friction fit arrangement to resist movement of the mirror glass in the housing, and an unlocked position in which the clamp is free to be removed from the housing and mirror glass.

Abstract: A clamping device for clamping a portable smart apparatus includes an installation plate, two clamping elements and an elastic member. Two ends of the elastic members are respectively connected to the two clamping elements. The two clamping elements are opposite each other and are slidably disposed on the installation plate. Each of the two clamping elements is disposed with a rotating ring, which has its two ends pivotally connected to two ends of the clamping element and forming a clamping rod on the clamping element. The two clamping elements respectively clamp two diagonal corners of the portable smart apparatus. By rotating the rotating ring, a gap between the clamping rod and the clamping element can be changed. The two clamping elements are further capable of relative sliding movements. Accordingly, the present invention is apt for clamping portable smart apparatuses having different thicknesses and sizes to satisfy utilization requirements.

Abstract: A fixing structure for a casing and a method for manufacturing the same are provided. The fixing structure for a casing includes a hollow-core post, a fixing post, and a screwing element. The hollow-core post extends from the casing. The fixing post comprises a fixing segment. The fixing segment is inserted into the hollow-core post and has an inner screw hole. The screwing element is inserted into the casing and screwed to the inner screw hole. Therefore, the fixing structure is conducive to enhancement of the strength of engagement between the hollow-core post and the fixing post.

Abstract: A clamping device for the releasable connection of a first profile section with a second profile section, wherein the clamping device can be introduced into a recess provided in the first profile section, and is provided with at least one hook element for purposes of engaging with the first profile section and with a clamping element. Thus, the at least one hook element can be brought into a releasable retentive engagement with at least one locking element of the first profile section that is complementary to the former. The clamping device comprises for this purpose a plate, wherein the at least one hook element is aligned in the plane of the plate on the first profile section, and the clamping element is provided on the opposing side of the plate relative to the hook element, so as to clamp the plate against the second profile section.

Abstract: A retaining member for mounting an anti-fog sheet to a shield. According to some aspects, a main shaft of the retaining member, which is rotatably fitted into a support hole of the shield and has a head portion abuting against an outer face of the shield, has an elastic deformation part so as to absorb a load which comes from both the shield and the anti-fog sheet, and which acts on the retaining member by deforming the elastic deformation part.

Abstract: A nut and washer assembly, wherein the assembly includes a nut having a body configured with a pair of flanges defining a channel there between, wherein the first flange includes a gap there through, and a washer having an outer perimeter and an inner perimeter, wherein the washer also includes a plurality of projections, wherein a first projection arises proximate the inner perimeter and is complementary to the gap in the first flange of the nut and a second projection arises proximate the outer perimeter and is complementary to the channel of the nut.

Abstract: An insert according to an exemplary aspect of the present disclosure includes, among other things, a body extending along an axis between a proximal portion and a distal portion and a plurality of tabs that protrude radially outwardly from an outermost surface of the body at a location between the proximal portion and the distal portion.

Abstract: An apparatus for attaching items includes a body and a first and second hook oriented on a first and second side of the body. The apparatus further includes a first and second gate, the first gate attached to the body and oriented to close the first hook, the second gate attached to the body and oriented to close the second hook. The apparatus further includes a pivoting lock, the pivoting lock oriented in the body, the pivoting lock having a first position where a first end of the pivoting lock rests against the first gate and a second end of the pivoting lock rests against the second gate preventing the first and second gates from opening; and a second position where the first end of the pivoting lock does not rest against the first gate and the second end of the pivoting lock does not rest against the second gate, and the first and second gates may be opened.

Abstract: A ball joint assembly includes a ball stud, a generally cylindrical bearing, a housing and a retainer which retains the bearing in the housing. The generally cylindrical bearing has an upper end, a lower end, a generally cylindrical exterior sidewall, an upper flange located between the upper end and a ring groove formed in the exterior sidewall, a lower flange proximate the lower end and extending outwardly from the exterior sidewall and a socket cavity that opens toward the lower end. The ball portion of the ball stud is engaged in and retained within the socket cavity. The bearing is secured within the housing in a bore within the housing by virtue of the working of the lower flange which is located within a counterbore of the housing and the upper flange and retainer located in the ring groove. Ball joints of the type described are able to resist a pull-out force of greater than 650 lbs and up to about 1200 lbs.

Abstract: A joint device (1) having an axially extending pivot pin (3), in particular a so-termed claw, and an elastically deformable layer (5) that wholly or partially surrounds the pivot pin radially. The deformable layer is at least partially in contact on its radially outer side (6) with a housing (2) and is connected, such as by vulcanization at least at one axial end, with an annular body (7). The pivot pin (3) with the elastically deformable layer (5) and the at least one annular body (7) form a joint body (8) which can move relative to the housing (2) and is designed, in such a manner, that the ability of the joint body (8) to rotate about its longitudinal axis (9) is inhibited by a rotation-impeding device (10) and by the contact of the outside (6) of the elastically deformable layer (5) against the housing.

Abstract: A fluid dynamic bearing device including: a bearing sleeve fixed to an inner periphery of a housing; a shaft member removably inserted along an inner periphery of the bearing sleeve; an annular member having an inner peripheral surface for defining a radial gap together with an outer peripheral surface of the shaft member; and radial bearing portions and a thrust bearing portion for supporting the shaft member. At least the radial bearing gap at each of the radial bearing portions, and a bottom gap having the thrust bearing portion received therein are filled with lubricating oil. A void section is formed in an interior space of the housing. Assuming that d1 represents a gap width of the radial bearing gap and d2 represents a gap width of the radial gap, a relationship of 30d1?d2?250d1 is satisfied.

Abstract: A bearing block assembly in an engine is provided. The bearing block assembly includes at least one bearing block to rotatably support an oil lubricated shaft and fastening apparatus to attach the at least one bearing block to a flat mounting surface on a large engine component and a thermal barrier positioned between the shaft and the flat mounting surface configured to reduce the loss of heat to the large engine component from oil used to lubricate the shaft.

Abstract: A guide carriage is configured for use with an elongate guide rail. The guide carriage has at least one row of spherical rolling bodies which are received in an associated endless circulatory channel. The circulatory channel has a load-bearing section and a return channel which are connected to one another at their ends which lie opposite one another via in each case one curved deflection channel. The load-bearing section is delimited by a carriage raceway extending in a longitudinal direction on the guide carriage and a rail raceway on the guide rail. A separate main body of metal is also provided. The carriage raceway is arranged on a separate raceway insert which bears against the main body. A separate rolling-body guide part is also provided which has a guide section extending in the longitudinal direction. The guide section engages behind the raceway insert.

Abstract: An automatic transmission includes: a torque converter; a stator in the torque converter; and a thrust washer adjacent the stator. The thrust washer includes a circulation circuit formed in the washer to facilitate fluid movement from one side of the washer to another side of the washer.

Abstract: There is provided a Cu-based oil-impregnated sintered bearing which can be used for high-load applications such as an ABS system and a wiper motor system in automobile, can be manufactured at low cost, and is excellent in abrasion resistance and seizure resistance. The bearing contains 5 to 40% by mass of Ni, 3 to 15% by mass of Sn, 0.5 to 4.0% by mass of P, or further 0.3 to 5.0% by mass of a solid lubricant, and a remainder comprising Cu and inevitable impurities, and has a metallic structure in which a phase mainly composed of Ni and P is dispersed in a matrix, and has a 5 to 25% porosity.

Abstract: The invention relates to a sliding element with a substrate and at least one layer of a sliding layer material applied onto the substrate. The sliding layer material can consist of an antifriction lacquer comprising at least one cross-linkable binder or at least one high-melting thermoplast material or of a material that contains a matrix of at last one high-melting thermoplast material or at least one duroplast material. Said sliding layer material contains Fe2O3 with a preferred fraction of 0.1 to 15 vol. %.

Abstract: An outer ring for a rolling-element bearing includes a first region having a first diameter on an outer surface of the outer ring, a second region on the outer surface of the outer ring, the second region having a second diameter larger than the first diameter, a circumferential groove at a boundary between the first region and the second region, and a filler in the groove. The filler is configured such that a temperature compensation ring can be mounted to the outer ring at the first region so that it abuts on an axial end of the second region, the temperature compensation ring having an inner diameter, at least in the region which is disposed over the groove in the radial direction, that corresponds to the outer diameter of the first region.

Abstract: A rolling bearing is provided wherein one open end of a bearing space formed between an outer race and an inner race is covered with a sealing ring provided with oil flow holes provided with filters. The sealing ring includes engaging portions provided on the sealing ring in a protruding manner along a circumferential direction thereof, and engaged in recesses provided on the inner race. An annular member made of a material softer than that of the sealing ring is fixed to the sealing ring. The annular member includes a lip portion facing the outer race with a gap or kept in contact with the outer race. The sealing ring is formed by injection molding a resin, and weld lines generated during the injection molding are formed in portions of the sealing ring corresponding to radial directions along which the oil flow holes are not disposed.

Abstract: A seal ring including filters is mounted to a rolling bearing. The bearing includes rolling elements disposed between an outer race and an inner race. The seal ring is made of a resin or a metal and covers an end opening of the bearing space defined between the outer race and the inner race. The filters are detachably fitted in oil flow holes formed in the seal ring. The filters catch foreign matter contained in lubricating oil. The seal ring is engaged by one of the outer race and the inner race. An annular member made of a material softer than the seal ring is fixed to the seal ring. The annular member serves as a lip facing the other of the inner and outer races with a gap left therebetween, or in abutment with the other of the inner and outer races.

Abstract: A pair of radial flanged bearings with rolling bodies, each of the bearings comprising a radially outer ring, radially confined by an external surface, a radially inner ring, co-axially and internally assembled, with respect to the outer ring, a row of rolling bodies, which is interposed between the outer ring and the inner ring, to allow the relative rotation of the two rings and a flange steadily fixed to the outer rings. The correspondent outer rings are provided with an assembly groove, which is obtained along said external surface. The flange is not in one piece with the outer rings, but is detachable from the outer rings in correspondence of the assembly grooves.

Abstract: A coupling shaft assembly system is disclosed. A coupling shaft assembly system may have a coupling shaft spline lock body having spline lock spline teeth, a main coupling shaft body having input spline teeth, and a locking bolt, wherein the locking bolt retains the coupling shaft spline lock body in substantially fixed communication with the main coupling shaft body, wherein the coupling shaft spline lock body retains the coupling shaft assembly system in mechanical communication with a power shaft. In this manner, a coupling shaft assembly system may reduce the axial forces transferred by the coupling shaft assembly system.

Abstract: A drive assembly comprises a rotatingly drivable housing an output part and a clutch arranged between the rotatably drivable housing and the output part. The clutch comprises a first clutch part held relative to the housing in a rotationally fixed and axially movable way, as well as a second clutch part fixedly connected to the output part arranged in the rotatably drivable housing; a controllable actuator for actuating the clutch; a target element which, upon actuation of the clutch, is axially movable; and a sensor for recording switched positions of the clutch; wherein the first clutch part comprises an annular portion arranged outside the housing, and a plurality of cam elements that extend axially from the annular portion through the apertures in the housing into the interior of the housing.

Abstract: An adapter module for a dual clutch transmission in a drivetrain is provided. The dual clutch transmission has a first input shaft and a second input shaft concentric with the first input shaft, a mainshaft, an output shaft, and a countershaft offset from the first and second input shafts. The countershaft is drivably connected to the first input shaft, the second input shaft, and the mainshaft. An alternative power source including an electric machine is provided for the drivetrain. An adapter module is disposed between the dual clutch transmission and the alternative power source. The adapter module has an adapter gearset connecting the electric machine to the dual clutch transmission and at least one clutch configured to (i) selectively drivingly connect the electric machine to the output shaft, and (ii) selectively drivingly connect the electric machine to the countershaft.

Abstract: A pivot ring for a clutch includes a central axis; a plurality of circumferentially curved portions; a plurality of engagement portions, each engagement portion circumferentially disposed between respective first and second circumferentially curved portions from the plurality of circumferentially curved portions and including: an alignment portion; a first and second stiffened attachment portions extending in lines from the alignment portion to the adjacent curved portions; and, first and second circumferential distal ends. Each engagement portion is arranged to receive a respective lever for the clutch; and, the first and second distal ends are arranged to fixedly connect to the clutch. Also presented is a clutch assembly including: an axis of rotation; a pressure plate having opposing first and second surfaces; a plurality of levers, and the pivot ring. Each lever is pivotably connected to a respective engagement portion, such that the plurality of levers is displaceable to close the clutch.

Abstract: A piston-cylinder arrangement, in particular for a clutch actuation system in a motor vehicle, including a housing (10) that is concentrically arranged around a shaft (11), and an annular pressure chamber (1) inside which a piston (13) is movably mounted. A sealing ring support (14) on which a seal (15) is arranged is connected to the piston. In a piston-cylinder arrangement which is less expensive to produce and nevertheless reliably prevents gap extrusion of the seal between the housing and the sealing ring support, the piston is connected without play to the sealing ring support.

Abstract: An electromagnetic driving device includes a driving disc, and also a first driving device, a second driving device and a first electrical control device. When the first electrical control device is energized, the first electrical control device drives the first driving device such that the second driving device is disengaged from the driving disc. When the first electrical control device is de-energized, the first electrical control device drives the first driving device such that the second driving device is engaged with the driving disc. The device aims to provide an electromagnetic driving device able to operate and serve the function of driving even if a power supply system of an electromagnetic clutch malfunctions or a sudden power cut occurs, avoiding the series of adverse effects caused by the failure of the electromagnetic clutch.

Abstract: An overrunning clutch is provided with a spatial wedge-shaped mechanism including a rotation guide mechanism (G) and a traction friction mechanism (F1). The traction friction mechanism (F1) has a friction member. A guide member of the rotation guide mechanism (G) preferably has a helical tooth guide surface. The rotation guide mechanism (G) and the traction friction mechanism (F1) are rigidly, axially linked by a common annular intermediate member, which has complementary guide surfaces and a rotation friction surface. The lead angle of the guide surfaces is less than the maximum value of the lead angle which is capable of ensuring self locking of the friction pairs between the guide surfaces, so that the intermediate member can be wedged between the guide member and the friction member, and then transfer torque therebetween.

Abstract: Apparatus for controlling a clutch using a fail-safe valve, and the apparatus includes: a fail-safe valve which is moved to the left or right according to an on-off operation of an on-off solenoid valve; and a control unit configured to control the fail-safe valve through the on-off solenoid valve; wherein when engine torque is a predetermined reference value or more, the control unit turns off the on-off solenoid valve to move the fail-safe valve for applying line pressure to the clutch, and when the engine torque is lower than the predetermined reference value, the control unit turns on the on-off solenoid valve to move the fail-safe valve for applying control pressure to the clutch.

Abstract: A dual-directions braking method of a disc brake, a braking mechanism and a braking system thereof are applied in fields of automobiles, trains and airplanes. The dual-directions braking mechanism includes a crankshaft having three concentric sections and two eccentric sections, two friction discs, a friction disc ring and at least a pair of brake calipers and friction pads, wherein the two eccentric sections are respectively provided between each neighboring two of the three concentric sections and mutually disposed at 180°; the two friction discs are respectively provided on the two eccentric sections; the friction disc ring is provided on the main section between the two eccentric sections. Through a translationally rotating friction by the two friction discs respectively with the friction disc ring and with the friction pads of each pair of brake calipers, a backward braking moment and a forward braking moment are simultaneously generated on the main sections.

Abstract: A disc brake for a commercial vehicle includes a brake caliper which takes the form of a sliding caliper and straddles a brake disc. In the caliper, brake pads are arranged on an actuation side and a reaction side, which pads can be pressed against both sides of the brake disc by an actuation device during braking. The reaction-side brake pad is supported on a rear-side wall of the brake caliper by a pad carrier plate carrying a friction pad, and a gap is formed in a non-operational position in a region facing an assembly opening of the brake caliper between the rear-side wall of the brake caliper and the reaction-side brake pad. The gap is wider than the adjacent region and the length of the gap corresponds at least to the length of the contact surface of the reaction-side wall on the pad carrier plate when braking is applied. The disc brake is disposed such that the gap is formed by at least one recess in the pad carrier plate.

Abstract: A linear actuation assembly comprising: (a) a differential assembly and (b) a pair of linear actuators in communication with the differential assembly; wherein the pair of linear actuators are movable along an axis so that during movement of each of the pair of linear actuators a pair of brake shoes are moved to create a brake force or moved to release a brake force, and wherein the differential assembly distributes power equally to each of the pair of linear actuators until resistance of one of the brake shoes increases then the differential assembly ceases to provide power to the brake shoe with increased resistance and distributes the power from the brake shoe with increased resistance to a brake shoe of lower resistance until a brake force is created.

Abstract: Provided is an electro-mechanical brake (EMB) including a driving unit configured to generate rotational force by power selectively applied as a user operates a brake pedal, a differential gear unit including a first shaft and a second shaft disposed to be aligned to form rotational shafts and rotate in the same direction by rotational force from the driving unit, a first pad disposed on one side of a brake disk, a second pad disposed on the other side of the disk, a first braking unit configured to enable the first pad to be brought into contact with one side of the disk according to a rotation of the first shaft to generate braking force, and a second braking unit configured to enable the second pad to be brought into contact with the other side of the disk according to a rotation of the second shaft to generate braking force.

Abstract: A braking actuator for a hydraulic aircraft brake, received in a cavity of a ring of the brake. The actuator comprises a liner structure (1) sealed in the cavity of the ring, and a piston (3) slidably mounted in the liner structure to apply a braking force. A wear-compensating device (10) defines a retreated position of the piston in the liner structure by an axially movable stop (11) which can be advanced by the piston during the application of a braking force and in frictional relationship with a fixed part (18) of the wear-compensating device secured to the liner. An elastic member (24) returns the piston to the retreated position defined by the piston bearing against the movable stop, the movable stop being in frictional relationship with the fixed part via at least one telescopic intermediate element (16) interposed between the movable stop (11) and the fixed part (18).

Abstract: A brake having an adjustable tappet for applying a brake force to a brake pad, a tappet having a rotating part in threaded engagement with a non-rotating part, the rotating part including a tappet gear, an adjuster mechanism for selectable rotating the tappet gear, the adjuster mechanism having a clutch with a driving clutch plate in frictional engagement with a driven clutch plate, the driven clutch plate having external teeth in direct meshing engagement with the tappet gear.

Abstract: A brake actuator comprising a sleeve (1), a piston (3) sealingly slidably mounted in the sleeve to apply a braking force, the piston being provided with an internal cage (21), and a wear compensating device (10) which defines a retracted position of the piston in the sleeve by means of an axially mobile stop which is able to be moved forward by the piston during the application of a braking force and/in frictional relationship with a fixed part (12) of the wear compensating device attached to the sleeve. The mobile stop comprises a radially deformable bushing (16) which cooperates with an olive (15) which is attached to a distal end of the fixed part of the wear compensating device. The bushing comprises means for guiding its proximal end (17) against an internal face of the internal cage (21).

Abstract: A copper alloy wire is a filamentary material of a copper alloy containing, in percent by mass, Ni: 3.0 to 15.0%, Al: 0.5 to 5.0%, and Si: 0.1 to 3.0%, with the remainder being composed of Cu and incidental impurities, which is provided with the tensile strength (?B) of 900 to 1300 MPa and electrical conductivity of 10 to 22% IACS and, in addition to that property, satisfies an intensity ratio of A:B:C of 1.0:1.2 to 6.0:2.2 to 8.0 when A, B and C represent diffraction intensities of Cu (111), Cu (200) and Cu (220), respectively, according to an X-ray diffraction method in a predetermined cross section, and which is used for an operation or contact spring by incorporating in mobile phones and various small electronic instruments by formulating into a copper alloy spring used, particularly, for an electrical conductive spring.

Abstract: A polymer spring has a hollow tubular polymer body, wherein the first end portion of the body, the second end portion of the body, and the mid-portion of the body together substantially maintain an annular cylindrical column structure throughout the length of the body from the first end portion of the body to the second end portion of the body, such that the mid-portion of the body has a substantial portion that is in direct alignment with the first end portion of the body and the second end portion of the body when the spring is compressed to eliminate or reduce the chances of the spring failing caused by the spring folding or buckling and to reduce material fatigue in the polymer spring associated with folding or buckling.

Abstract: A shock absorber including a cylindrical outer shell and a piston rod slidably inserted into the outer shell, the shock absorber includes a cylindrical dust cover coupled to the piston rod and permitting an entry of the outer shell to inside thereof; and an annular dust filter whose inner peripheral side is attached to the outer shell and whose outer periphery is brought into slidable contact with an inner periphery of the dust cover at all times.

Abstract: A shock absorber includes a cylinder, a piston, a piston rod, a damping passage, a bypass path, a shutter, a biasing member, and a control spring secured to the cylinder by one end. Another end of the control spring is opposed to the shutter. When the piston exceeds a predetermined position with respect to the cylinder by displacing on the compression-side chamber side, the shutter is pushed by the control spring and closes the bypass path. The control spring is a conical coil spring. The other end side of the control spring has a small diameter. A guide ring, which is slidably in contact with an inner periphery of the cylinder, is mounted to the small-diameter side end of the control spring.

Abstract: A system for mitigating an impact force is provided. The system includes a device having a first layer, a second layer, and an intervening member. The intervening member is suspended between the first and second layers via a first biasing member. A first portion of a force initially received by the first layer is transferred to the intervening member. A fraction of the force transferred to the intervening member is returned to the first layer, the fraction returned to the first layer being less than the force received by the first layer. A second portion of the force initially received by the first layer is partially transferred to the second layer, the second portion being less than the initial force received by the first layer.