Abstract: A control unit includes a first connector configured to connect a proportional pressure regulator to a positive pressure supply and a second connector configured to connect the proportional pressure regulator to a negative pressure supply. The control unit further includes at least one sensor configured to detect an amount of air flow (volume per unit of time), positive or negative, within an air flow line connected to an output of the proportional pressure regulator, and a third connector configured to connect the air flow line to an air side of a diaphragm. Additionally, the control unit includes a controller programmed to control at least an opening and closing function of the proportional pressure regulator to attain a desired amount of air flow (volume per unit of time), positive or negative, within the air flow line.

Abstract: Control flowrate regulating valve for a scroll compressor inside a vehicle air conditioner or a heat pump, the valve at least comprising: a housing; a closing member; and fluid connection parts for a control flowrate of back pressure, high pressure and suction pressure. Fluid connection parts having effective areas, of the closing member, assigned to the fluid connection parts. Control flowrate regulating valve has a fluid connection part, for peripheral pressure, and an effective area of the closing member. It is formed in a fluid-sealing manner for other chambers having high pressure, back pressure and suction pressure, such that the force, obtained from the pressures applied to the closing member, is applied to the closing member to allow the control flowrate, which moves from the high pressure to the suction pressure, to flow in a manner of forming the back pressure. Peripheral pressure is applied to the closing member.

Abstract: A compressor may include first and second scrolls, a hub plate and a valve. The first scroll may include an end plate defining first and second sides, a primary discharge passage extending therethrough, and a secondary discharge passage extending therethrough and located radially outward from the primary discharge passage. The hub plate may be mounted to the first scroll and may include first and second opposite sides and a hub discharge passage in fluid communication with the primary discharge passage. The first side of the hub plate may face the second side of the end plate and may include a valve guide extending axially toward the end plate adjacent the hub discharge passage. The valve member may be secured on the valve guide for axial movement between open and closed positions to respectively allow and restrict fluid communication between the secondary discharge passage and the hub discharge passage.

Abstract: A combined well pump and motor includes a housing having an axis, an upstream end and a downstream end. Diffusers are mounted for non-rotation in the housing, each of the diffusers having diffuser passages. An impeller is mounted between each of the diffusers for rotation relative to the impellers. Each of the impellers has impeller vanes defining impeller passages. The impeller has an exterior outer wall extending circumferentially around the impeller vanes, closing outer sides of each of the impeller passages. An array of magnets is mounted to each of the impellers. The magnets are spaced circumferentially apart from each other around the axis at a different radial distance from the axis than the impeller vanes. A stator is mounted in the housing. The stator has windings for interacting with the magnets to impart rotation to the impellers.

Abstract: A combined pump and motor has a stator mounted for non-rotation in a housing. The stator has windings that create an electromagnetic field in the stator cavity when powered. An upper diffuser and a lower diffuser are mounted for non-rotation in the stator cavity. Annular clearances exist between the upper diffuser and the inner diameter of the stator and between the lower diffuser and the inner diameter of the stator. An impeller between the lower diffuser and the upper diffuser has an array of magnets circumferentially mounted around the impeller that impart rotation to the impeller in response to the electromagnetic field in the stator cavity. The array of magnets has at least one end portion extending into one of the upper and lower diffuser annular clearances.

Abstract: A booster system includes: a cooling temperature regulating unit configured to regulate a temperature of an intermediate supercritical pressure liquid cooled and generated by a main cooling unit on upstream of a pump unit according to a flow rate of a supplied cooling medium; and a pressure detection unit configured to detect inlet pressure of the intermediate supercritical pressure liquid on an inlet side of the pump unit and detect outlet pressure of a target supercritical fluid on an outlet side of the pump unit. The cooling temperature regulating unit controls the flow rate of the cooling medium based on a pressure difference between the inlet pressure and the outlet pressure or a pressure ratio between the inlet pressure and the outlet pressure.

Abstract: A centrifugal compressor according to an exemplary aspect of the present disclosure includes, among other things, an impeller provided in a main flow path and configured to pressurize a main flow of fluid. The compressor also includes a secondary flow path configured to provide a secondary flow by recirculating a portion of the main flow. The amount of the main flow that becomes the secondary flow is less than or equal to 15%. A method is also disclosed.

Abstract: The present invention relates to a vacuum pump, in particular to a turbomolecular pump, having at least one pump stage and having a pressure determination unit for determining a pressure present at a suction side of the vacuum pump, said pump comprising a measurement device, with a measurement tap of the measurement device being provided in the region of the pump stage or downstream of the pump stage.

Abstract: A hydraulic rotary drive includes a stator and an impeller rotatably connected to the stator. The stator has a liquid chamber defining a liquid inlet, a liquid outlet, and a flow circuit extending between the liquid inlet and the liquid outlet. The impeller is rotatably has a plurality of butterfly blades positioned in the flow circuit, and a rotation axis. Each butterfly blade extends radially away from the rotation axis, and includes first and second wings that are rotatable relative to each other about a radial axis between an open position and a closed position.

Abstract: An apparatus includes a blower drive and a protection circuit. The blower drive includes a processor and a capacitor. The capacitor is electrically coupled to the processor and provides electrical power to the processor during a short circuit in the blower drive. The protection circuit is electrically coupled to the blower drive and includes a first switch, a positive temperature coefficient resistor, and a second switch. The positive temperature coefficient resistor is electrically coupled in series to the first switch. The second switch is electrically coupled in parallel to the positive temperature coefficient resistor and opens during the short circuit in the blower drive. The first switch opens after the second switch opens and after a short circuit current is below a threshold.

Abstract: In one aspect, a fan assembly is provided that can be manufactured while producing a significantly reduced amount of scrap material. More specifically, the fan assembly utilizes a hub ring and one or more hub strips to support a plurality of blades rather than a solid center disc or end disc used by some prior approaches. In another aspect, a method is provided that includes bending a member into an annular configuration and joining end portions of the member together to rigidly fix the member in the annular configuration. The rigid annular member may be used as an end ring, a hub ring, an orifice, or other component, while producing significantly less scrap material than traditional approaches.

Abstract: A compressor wheel that can be employed in devices such as turbochargers. The compressor wheel includes an axially extending hub having an inlet end, a shaft bore extending from the inlet end and an arcuate outer surface opposed to the shaft bore. The axially extending hub is composed of a metal and has a porous region located proximate to the arcuate outer surface of the axially extending hub. The compressor wheel also includes a blade array disposed on the arcuate outer surface of the axially extending hub. The blade array has an outer surface and an inner region. The blade array comprises a plurality of circumferentially-spaced, radially and axially extending blades disposed thereon and is composed, at least in part of a polymeric material. Polymeric material located in the inner region of the blade array extends into the porous region defined in the axially extending hub.

Abstract: A fan includes an impeller and a metallic base portion. The base portion is arranged to be in thermal contact with a heat source. The impeller includes a resin portion including a plurality of blades, and a metal plate. In addition, the metal plate includes a flat plate portion arranged below the blades. A lower surface of the flat plate portion and an upper surface of the base portion are arranged axially opposite to each other with a gap intervening therebetween. An axial dimension of the gap is arranged to be 200 ?m or less at least at a portion of the gap. Heat of the heat source is transferred to the metal plate through radiation from the base portion. Then, an air current produced by the impeller absorbs the heat from the metal plate. The heat generated from the heat source is thus efficiently discharged to an outside.

Abstract: The present disclosure provides a two-stage blade adjusting device for a counter-rotating axial flow fan. A blade adjusting operation shaft is adjusted to drive a pair of bevel gears to transfer power to a threaded pair coaxial with a transmission shaft, the threaded pair transforms rotary motion of the bevel gears into linear motion to push thrust discs in hubs, the blade installation angle of a first impeller is thus adjusted, and a spacer bush transfers the power to adjust the blade installation angle of a second impeller, so that synchronous adjustment of two-stage blade installation angles is realized. The device is simple and compact in structure and low in manufacturing and maintenance cost, and can be widely applied to large, medium and small counter-rotating axial flow fans.

Abstract: Provided is an air-sending device in which, in blades, an upstream end of a blade outer periphery is more on an upstream side than an upstream end of a blade inner periphery as seen along a rotation axis, and a downstream end of a blade outer periphery is more on a downstream side than a downstream end of the blade inner periphery, and in which, in the blades, when an angle formed by a line segment, which connects a point internally dividing a line segment connecting the downstream end and the upstream end of an outer periphery of the blades along the rotation axis and a point internally dividing a line segment connecting the downstream end and the upstream end of an inner periphery of the blades along the rotation axis at the same ratio to each other, and a reference line is defined as ?, and a direction inclined toward the downstream side is defined as positive, the angle ? is changed from negative to positive at a duct portion.

Abstract: A centrifugal blower includes an electric motor, a centrifugal impeller driven by the motor, a diffuser mounted to the motor and disposed between the motor and the centrifugal impeller, and a casing mounted to the diffuser. The centrifugal impeller is received in a chamber defined by the diffuser and the casing. the casing defines an opening facing the inlet of the centrifugal impeller. The diffuser has a plurality of passage walls, and a plurality of diffusing passages, each bounded by neighboring passage walls. The diffuser further has at least one mounting portion connected to one of the passage walls. A cross section of each of the diffusing passages is increased form an outer end to an inner end thereof and no throat is formed in each of the diffusing passages.

Abstract: An inlet guide vane assembly having a plurality of pivoting vanes interconnected with a mechanism useful to move the vanes between positions. The vanes can be connected via a series of links and reciprocating hinges which together transmit motion from a drive vane to a number of driven vanes without the need for a sync ring. Motion received by a drive vane is transmitted via a first link to a reciprocating hinge, where the reciprocating hinge is capable of both pivoting and moving in a reciprocating manner along a path. The reciprocating hinge can also be coupled with a second link which transmits motion imparted from the drive vane via the first link to a driven vane. The driven vane is connected via another second link to another reciprocating hinge, which in turns transmits further motion via another first link to another driven vane.

Abstract: An Environmental Control System (ECS) for an aircraft includes a ram air system having a ram inlet and a ram outlet. The ECS includes a cabin air compressor motor, a diverter valve, and a dedicated outlet. The cabin air compressor motor has a motor inlet passage and a motor outlet passage with the motor inlet passage being coupled to the ram inlet. The diverter valve includes a first diverter inlet, a first diverter outlet, and a second diverter outlet. The first diverter inlet is coupled to the motor outlet passage. The dedicated outlet is connected to the first diverter outlet in a flight mode of operation of the aircraft and the ram outlet is connected to the second diverter outlet in a ground mode of operation of the aircraft.

Abstract: An Environmental Control System (ECS) for an aircraft includes a ram air system having a ram inlet and a ram outlet. The ECS includes a cabin air compressor motor, a diverter valve, and a dedicated outlet. The cabin air compressor motor has a motor inlet passage and a motor outlet passage with the motor inlet passage being coupled to the ram inlet. The diverter valve includes a first diverter inlet, a first diverter outlet, and a second diverter outlet. The first diverter inlet is coupled to the motor outlet passage. The dedicated outlet is connected to the first diverter outlet in a flight mode of operation of the aircraft and the ram outlet is connected to the second diverter outlet in a ground mode of operation of the aircraft.

Abstract: A control valve comprises a body. A diverter is disposed within the body. The diverter is movably positionable within the body such that the diverter can assume a first position, second position and third position. The body includes one or more exhaust ports, a supply port, a first outlet port and a second outlet port. The body and diverter are configured such that: when the diverter is in the first position, the supply port and first outlet port fluidly communicate and the one or snore exhaust ports and second outlet port are fluidly isolated; when the diverter is in the second position, the first outlet port and one of the one or more exhaust ports fluidly communicate and the supply port and second outlet port are fluidly isolated; and When the diverter is in the third position, the first outlet port and second outlet port fluidly communicate and the supply port and the one or more exhaust ports are fluidly isolated.

Abstract: A hydraulic driving device of an industrial vehicle includes: a tank which stores hydraulic oil; a hydraulic pump which includes a suction port sucking the hydraulic oil and a discharge port discharging the hydraulic oil; a hydraulic cylinder which is driven by the hydraulic oil discharged from the discharge port of the hydraulic pump; a direction switching valve which is disposed among the hydraulic pump, the tank, and the hydraulic cylinder and switches a hydraulic oil flow direction in response to an operation state of operation means for driving the hydraulic cylinder; in which the direction switching valve includes a main spool which moves in response to the operation state of the operation means and a flow regulator which is disposed inside the main spool to control a flow rate of the hydraulic oil flowing from the hydraulic cylinder to the tank.

Abstract: In an elastic tube as a driving force source of a fluid pressure actuator that is driven by supplying and discharging fluid such as air or liquid, a wear-resistant flocked layer is provided on an entire outer circumferential surface of the elastic tube, and the wear-resistant flocked layer being formed by an electrostatic flocking process in which short fibers made of synthetic resin are flocked to be perpendicular to the outer circumferential surface, and the wear-resistant flocked layer being further formed by the electrostatic flocking process in which the short fibers made of the synthetic fiber are flocked in a number of strips along an axial direction or in a number of dots on the entire outer circumferential surface.

Abstract: A failsafe piston retention assembly, and related components, systems, and methods are disclosed. A failsafe piston retention assembly comprises a head comprising a head body having a first surface. The assembly also includes a piston having second surface, the piston slidably coupled with respect to the head. The piston has a retracted configuration and an unretracted configuration. In the retracted configuration, the second surface is fixed with respect to the first surface by a magnetic force. One advantage of this arrangement is that the piston is retained in its retracted configuration in the event of an operational failure of the piston mechanism. For example, for a hydraulically controlled piston, the magnetic force retains the piston in a retracted configuration even in the event of a loss of hydraulic pressure.

Abstract: An electropneumatic valve assembly comprises an electropneumatic pilot stage and a pneumatic power stage which is actuated by the pilot stage. Each pilot valve switches at least two power valves, and the valve assembly has a housing with an electrical signal input, with a compressed-air port, at least one vent port and at least one working outlet. The housing is layered with a pilot stage housing and a power stage housing connected along a substantially planar parting surface. At least one sealing element is between the pilot stage housing and power stage housing surrounding a control pressure region between the pilot stage housing and power stage housing. The control pressure region has two actuation regions for two power valves and has a duct-like connection with a defined flow cross section between the two actuation regions. An outlet of the associated pilot valve opens into the control pressure region.

Abstract: Pressure oscillations or acoustic loads over an open type cavity having a front face an upper edge of which constitutes a leading edge and having a rear face an upper edge of which constitutes a trailing edge are reduced by applying curvature to the rear face so as to present a convex curved surface internal to the cavity. In one embodiment, a cross-section through a longitudinal axis of the convex curved surface describes part of an ellipse.

Abstract: The invention discloses a tie padlock, wherein a lock tongue on a tie lock body is inserted into a main lock body, a lock tongue locking mechanism is arranged between the lock tongue and the main lock body, a flexible glue covering layer on the main lock body covers an unlocking mechanism, the tie lock body is internally provided with a tie hole through which a tie passes, and the main lock body is internally provided with a tie locking mechanism. The locked padlock has good locking reliability such that the tie lock body cannot be pulled open with a strong force; and the unlocking mechanism is well hidden such that children cannot easily open the padlock.

Abstract: A clamp configured for connecting a bicycle component to a tubular element of the bicycle. The body of the bicycle component has a through opening extending between surfaces of the body and a seat on one surface that connects with the through opening. The clamp has an annular band that is connected to a slider in the through opening. An actuation lever connected to the slider moves the slider between a release position and a clamping position. When the slider is in the claiming position, the actuation lever is position in the seat on the body.

Abstract: A closure assembly incorporating a crush barb which is molded into a recess cavity defining surface of a first piece. The crush barb is engaged by an inserting portion projecting from a second piece, the inserting portion being subsequently actuated into a collapsing and retention forming undercut with the crush barb in order to secure the pieces together. A variety of closure assemblies are provided with variations of inserting portions associated with the second piece, such including the use of an action/installation inducing tool for creating an undercut within the crush barb. Alternatively, the inserting portion may be configured with an over-center pivoting hinge which, upon being actuated, creates the crush barb undercut in order to engage the pieces together.

Abstract: A fixing structure for a metal plate and a synthetic resin material, the metal plate having a bottom wall, and a first crimp piece and a second crimp piece that respectively extend from opposite side edges of the bottom wall and are crimped so as to wind around the synthetic resin material. In the synthetic resin material, a first crimped portion and a second crimped portion constituted by opposite side edges of the synthetic resin material being depressed are formed. The first crimp piece is crimped to the first crimped portion, and the second crimp piece is crimped to the second crimped portion.

Abstract: A water purifier is disclosed including a water storage device configured for storing the water; a base, configured for bearing the water storage device; and a handle shaped as annular; the handle is rotatably connected to the base, to allow the handle sleeved on lateral of the water storage device and connect to the water storage device when a certain angle formed by the handle and the base. During the process of assembling the water storage device, rotating the handle to get around the end of the water storage device that the end is near to the handle, sleeved on the outside of the water storage device, connect to the water storage device. During the process of disassembling the water storage device, rotating the handle to get around the end of the water storage device that the end is near to the handle, depart from the water storage device.

Abstract: A fixation device for securing a linear element to a workpiece includes a contact component and a fixation component. The contact component typically includes (i) a first contact surface for application to a workpiece and (ii) a first opening for receiving a linear element. The fixation component typically secures a portion of the linear element on a side of the first contact component opposite the first contact surface. The fixation component engages the contact component to prevent passage of the linear element's secured portion through the workpiece when a tension is applied to the linear element in a direction opposite the contact surface.

Abstract: An article of modular furniture such as a drawer, case, cabinet, or table is provided. The article of furniture uses a first panel with a dovetail tab and a straight tab and a second panel with a dovetail slot and a straight slot. The first panel is flexed in order to insert the dovetail tab and the straight tab into the respective dovetail slot and straight slot and is then un-flexed to complete the assembly.

Abstract: A fastening apparatus includes a body; a fastener movably disposed at the body; and a resilient component disposed at the body, the resilient component having an end abutting against the body and another end abutting against the fastener such that the resilient component allows the fastener to be protruded from or inserted into the body normally, or the fastener in rotation and the resilient component interact with each other to effectuate limiting-stopping, interfering-stopping or interfering-abutting. The fastener enters the body disposed on the first object and compresses the resilient component. Then, the resilient component protrudes the fastener out of the body, thereby fastening the fastener to the second object quickly. Easy separation of the first and second objects entails moving the fastener into the body. A fastening method for the fastening apparatus is further introduced.

Abstract: A fitting for releasably connecting two furniture parts includes a first fitting part fastened on a first furniture part and a second fitting part fastened on a second furniture part. The second fitting part has at least one rigid latching cam which is engaged behind by a latching nose being provided on a deflectable latching tongue of the first fitting part. The latching tongue can be moved from its locking position engaged behind the latching cam, into a release position which can be fixed to the second fitting part. The latching tongue has at least one latching spring which can be deflected transversely to the deflecting plane of the latching tongue by a counter bearing of the second fitting part. The free spring end of the latching spring remains deflected by the counter bearing from the locking position until before the release position of the latching tongue is reached.

Abstract: A blind rivet nut for connecting two components by means of a screw connection includes a rivet shank. The rivet shank has an internal thread, at the axial first end of which a deformation portion configured to produce the riveted joint is arranged. At the axial second end of the rivet shank there is arranged a rivet head with a contact face that allows an adjacent component face to lie against. The supporting surface has a radial extent which is greater than or equal to 1.5 times and less than or equal to 2 times the radial extent of the rivet shank.

Abstract: A method for manufacturing an expansion anchor is provided, in which a bolt is provided, which includes an expansion body for expanding an expansion sleeve surrounding the bolt, an annular sleeve blank having an opening is provided, the bolt is introduced into the opening of the annular sleeve blank, and the annular sleeve blank is reduced in diameter while the bolt is located in the opening of the annular sleeve blank. The invention also relates to expansion anchors, which may be obtained with the aid of the method according to the invention, in particular bolt-type anchors having closed annular expansion sleeves and, in particular, anchors having expansion sleeves with protruding noses, which are each situated on a closing fold of the expansion sleeve.

Abstract: In some embodiments, a fastener assembly is arranged to engage a supporting member. In some embodiments, the fastener assembly comprises a shaft, a first retaining member and a second retaining member. The first retaining member is arranged to engage the shaft, and is sized to pass through an opening in the supporting member in a first orientation and to abut a second side of the supporting member in a second orientation. The second retaining member is arranged to engage the shaft and to abut the first side of the supporting member.

Abstract: The present disclosure provides a hydraulic clamping device, including an inner sleeve, an outer sleeve, and a pressure chamber provided radially between the inner and outer sleeves and adapted for causing at least one of the inner and outer sleeves to deform radially on pressurization of the pressure chamber. The clamping device further includes retaining means, arranged to prevent axial displacement of the inner and outer sleeves relative to each other by interaction with locking surfaces provided on the inner and outer sleeves, respectively.

Abstract: A thread element mode of plastic, a connection assembly consisting of a support part made of plastic into which the thread element made of plastic has been screwed by creating a counter-thread, a method for manufacturing the connection as well as a method for manufacturing the thread element. The thread element is characterized by an axial piece on which the circumferential windings of a thread turn are interrupted by at least two chip flutes. The resulting winding areas form a cutting web and an inhibition web, whereby the cutting web extends radially beyond the inhibition web.

Abstract: Disclosed is a manual adjustable tensioning device. Slope guide slots are formed in the periphery of a lead screw nut, and contacts are provided with slopes having the same angles and placed in the guide slots of the lead screw nut; two ends of a lead screw are respectively supported in threaded holes of a shell and an end cover; screws are connected to the lead screw nut via threaded holes, the tail end of each screw is in contact with one end of a lever, the other end of the lever is in contact with the slope of the lead screw nut, a roller is mounted at the tail end of the lever, and an extension spring is mounted at the end of the slope of the lead screw nut.

Abstract: A pressing-type screw includes a screw-head component, two first drilling-fastening components, and a drilling-head component. The screw-head component is provided with a fastening slot. The two first drilling-fastening components form an axis passing through the center of the screw-head component. The two first drilling-fastening components each has a top end in connection with the screw-head component, and each includes a first thread portion formed on a surface of each of the two first drilling-fastening components and furthest away from the axis. The drilling-head component is in connection with the bottom end of each of the two first drilling-fastening components. A hollow space is formed between the two first drilling-fastening components and the drilling-head component.

Abstract: A method of connecting a first component and a second component with the aid of an auxiliary joining part, wherein the auxiliary joining part is formed from a pin and a plate. A position of intended fracture is present between the plate and the pin. The first component, the second component and the auxiliary joining part are brought into a stacked arrangement such that the plate contacts the first component and the pin projects away from the side of the plate remote from the first component. A force is exerted on the pin of the auxiliary joining part in the direction towards the stacked components which leads to a fracture at a position of intended fracture and the pin is used in order to pierce slugs from the stacked components. The end of the pin which is pressed through the second component, and/or a washer which is optionally provided there, is deformed in order to provide a form-locked connection to the second component or to a washer which is provided there.

Abstract: A fastener (300) for holding two panels together, including: a grommet (12) having a flange and an opening there through; an elongated pin (410) characterized by a pin longitudinal axis (442) along its length; a receptacle (404) having a central opening and female threads (602); an insert member (406) having two ramped bayonet slot arrangements (562) and male threads (560); and a pin receptacle (612) formed partly by a recess (610) in the female threads and partly in the insert member when the receptacle and the insert member align. In a first position (500) the pin does not occupy the recess in the female threads, thereby permitting relative rotation between the receptacle and the insert member. In a second position (640) the pin occupies the recess, thereby preventing the relative rotation between the receptacle and the insert member.

Abstract: An improved structure of bicycle cable housing in accordance with an embodiment of the present invention is provided, including an inner tube and an aluminum layer. The aluminum layer is provided around an outer wall of the inner tube, and formed by a wound aluminum metal strip, such that the weight of the bicycle cable housing is decreased. The aluminum metal strip is wound around the inner tube along an axial direction to form a plurality of protective segments. Two neighboring protective segments are in contact with each other but not overlapped. Therefore, the user is able to easily control the direction and balance of the bicycle during operation.

Abstract: A connecting rod for connecting between a crankshaft and a piston, includes a small end with a cylindrical hole adapted to for receiving a piston pin, a big end having a crank pin bore adapted for receiving a crank pin of a crankshaft and a stem portion extends between the small end and big end. The stem portion can have an I-beam cross-section with a pair of legs and a web extending between the pair of legs. The web includes oppositely facing surfaces defining a thickness that is less than a thickness of the pair of legs. The web includes at least one grooved/recessed portion that is recessed relative to the oppositely facing surfaces of the web.

Abstract: A supporting device includes a dual-shaft hinge module and two buffering modules respectively arranged at two opposite sides of the dual-shaft hinge module. Each dual-shaft hinge module includes two shafts, a linking member clamped between the two shafts, and two side wing members respectively and slidably installed on the two shafts. The two buffering modules are respectively installed on the two shafts and are respectively cooperated with the two side wing members. Each buffering module includes an internal connecting member fixed on and synchronously rotatable with the corresponding shaft and an external connecting member slidably disposed on the internal connecting member and provided to be fixed on a carrying plate. Each side wing member has a limiting portion passing through the corresponding internal connecting member and the corresponding external connecting member.

Abstract: A roller bearing (10) defines a bearing axis (34) and a radial plane (52) oriented parallel with the bearing axis. The roller bearing (10) includes an inner ring (42) having an inner raceway (44) and an inner flange (46) extending from the inner raceway. The inner flange (46) includes an inner guide surface (48). The roller bearing (10) also includes a plurality of rollers (22) in rolling engagement with the inner raceway (44) about the bearing axis (34). Each roller (22) includes a first end surface (24a) in engagement with the inner guide surface (48) of the inner flange (46) as the plurality of rollers (22) move relative to the inner ring (42). The first end surfaces (24a) of each roller (22) define a curvature such that a ratio of a first principal effective curvature (Rx) radius in a plane perpendicular to the radial plane (52) and a second principal curvature radius (Ry) in the radial plane (52) is no less than 3.0.

Abstract: A button assembly includes a touchpad having an upper surface extending in a generally flat plane and movable between a first position and a second position displaced from the first position in response to the application of a pressing force perpendicular to the upper surface. Additional, smaller pushbuttons may be located adjacent the touchpad. A sub-bezel includes a housing defining a cavity for holding a linear bearing for guiding the touchpad in a linear path perpendicular to the upper surface. The linear bearing includes a plurality of first ball bearings and second ball bearings separated by a first distance perpendicular to the upper surface. The ball bearings may be sandwiched between a bearing outer member and a bearing inner member which includes an inner-top member secured to an inner-bottom member with a screw. A bearing carrier holds the ball bearings within troughs in the bearing outer member.

Abstract: A method of electrodynamically finishing a plain bearing includes electrically separating a bearing housing from a journal shaft with a lubricant disposed on a bearing surface of the bearing housing. The bearing housing or the bearing housing is rotated relative to the other and a voltage differential applied across the bearing housing and the journal shaft. One or more asperities disposed on the bearing surface are eroded with electric discharge events between the journal shaft and the bearing housing. Electrodynamically finished bearing assemblies and reaction/momentum wheel arrangements having such bearing assemblies are also described.

Abstract: The invention relates to an assembly for on epicyclic reduction gearset, the assembly comprising a satellite carrier (5), satellites (6), and at least one satellite (6) bearing (7) carried by the satellite carrier (5) that is rotatable about an axis of rotation (X), said bearing comprising a central axis (9) linked to the satellite carrier, an inner ring (11) securely mounted on the central axis (9), an outer ring (16) mounted to rotate around said central axis (9), a lubrication circuit arranged to bring a flow of oil between said rings (11, 16), said lubrication circuit comprising a first portion (23a-23c, 24) arranged to be supplied with oil from the satellite carrier (5) at the central axis (9) and comprising openings (24) opening to the outside of the inner ring (11) in a radially inner area (B) of the bearing with respect to said axis of rotation (X), a second portion (25, 26) comprising openings (26) opening to the outside of the inner ring (11) in a radially outer area (A) of the bearing with respect