Abstract: Hydraulic cylinders and methods of fabricating hydraulic cylinders, including long-stroke rolling diaphragm cylinders with any stroke length. In some embodiments, the cylinders are manufactured to have a stroke length to bore diameter (“stroke-to-bore”) ratio optionally greater than 1:1. Various embodiments are suitable for use in a passive hydraulic body-powered wearable robot, for example.

Abstract: A sump pump system includes a plurality of sump pumps adapted to be disposed within a crock. The sump pump system also includes a plurality of water level sensors adapted to be disposed within the crock. Each of the plurality of water level sensors generates water level signals. The sump pump system further includes a plurality of electronic controllers. Each of the plurality of water level sensors is connected to each of the plurality of electronic controllers, and each of the plurality of electronic controllers is connected to operate each of the plurality of sump pumps in response to the water level signals.

Abstract: A hydrostatic piston machine has a lifting element that is adjustable for varying a swept volume, and a rotating cylinder part having a plurality of cylinder bores with pistons that are supported on the lifting element and delimit a displacement chamber. Each displacement chamber is moved in an alternating manner by a connecting opening to overlap a low-pressure control opening situated on a low-pressure side of a stationary control part and a high-pressure control opening situated on a high-pressure side of the control part. Two switching regions are situated between the low-pressure control opening and the high-pressure control opening, the pistons changing direction at a dead center within the switching regions. The position of the lifting element is determined from a pressure profile which is a function of the variable size of the displacement chambers in a switching region, the variable size depending on the position of the lifting element.

Abstract: A screw-spindle pump comprising: first and second screw spindles forming running and drive spindles, respectively, and a pump housing configured to receive the first and second screw spindles. The first and second screw spindles form, with at least the pump housing, delivery chambers, moving from a suction side to a pressure side of the pump as a consequence due to rotation of the screw spindles. The pump housing has an elongate insert, as an abutment for the first and second screw spindles and against which the first and second screw spindles are supported, the elongate insert having a first portion forming a first abutment for the second screw spindle and a second portion forming a second abutment for the first screw spindle. The elongate insert is clamped into a receptacle of the pump housing using a cross-sectional dimension of the elongate insert.

Abstract: According to one embodiment, a crank portion is formed from a crank piece, an element separate from a shaft portion. The crank piece includes a fitting hole in which the shaft portion is fit by predetermined “interference” and a slit-like slot with one end opened in an inner circumferential surface of the fitting hole, and an other end closed inside the crank piece. The fitting hole is deformed so as to expand its diameter when expanding a width of the slot. The shaft portion is fit in the fitting hole of the crank piece by the predetermined “interference” when inserted in the deformed fitting hole and the fitting hole restores an original form while the shaft portion is in the fitting hole.

Abstract: A compressor comprises a housing including a first opening to form a receiving space and a retaining wall, wherein the receiving space is divided, by the retaining wall, a low-pressure chamber and a controller chamber. A compressing mechanism further comprises a fixed scroll plate including a low-pressure side of scroll wraps and a high-pressure side, opposite to the scroll wraps; an orbiting scroll plate, located in the receiving space, including a side, facing the scroll wraps of the fixed scroll plate, of scroll wraps and a compression chamber is formed by the scroll wraps of the fixed scroll plate and the scroll wraps of the orbiting scroll plate; an electrical machinery mechanism, located in the low-pressure chamber, including a rotor and a stator, wherein the electrical machinery mechanism drives the compressing mechanism to rotates to compress refrigerant in the compression chamber.

Abstract: The present disclosure provides a compressor and an air conditioner having the same. The compressor includes: a main shaft with a convex portion and a slip sheet; a cylinder; and an air inlet and outlet device including a disk body and an air suction port including an outer side, an inner side and a connecting side located between the outer side and the inner side, wherein the outer side is overlapped with an inner wall of the cylinder or is located on the inner side of the inner wall of the cylinder, the inner side is overlapped with an outer wall of the convex portion or is located on the outer side of the convex portion, and the connecting side is overlapped with a side wall of the slip sheet or is located on the inner side of the side wall of the slip sheet.

Abstract: Systems and methods are used to control operation of a rotary compressor of a refrigeration system to improve efficiency by varying the volume ratio and the speed of the compressor in response to current operating and load conditions. The volume of the axial and/or radial discharge ports of the compressor can be varied to provide a volume ratio corresponding to operating conditions. In addition, permanent magnet motors and/or control of rotor tip speed can be employed for further efficiency gains.

Abstract: Provided is a fluid pump assembly. The pump has a pair of housings magnetically coupled to each other. The first housing contains a drive motor and a magnetic assembly. The second housing contains a magnetic assembly and a blade for imparting movement to a fluid. As the first magnetic assembly is rotated by the drive motor, the magnetic connection to the assembly in the second housing causes the second magnet to rotate, driving the blade.

Abstract: A pump rotor includes a hub, a back plate and a plurality of blades extending from the hub and disposed on the back plate. Each of the plurality of blades has an outer surface essentially parallel to a rotational axis of the hub, and a first end adjacent the hub and a second end distal from the hub, the first end having a height from the planar surface that is less than a height from the planar surface of the second end. The plurality of blades is configured to cause a synchronized central column of flow.

Abstract: A compressor includes a shaft extending in axial directions thereof, an impeller secured to one end of the shaft, a first bearing action member provided at the one end of the shaft, a second bearing action member provided at an opposite end of the shaft that is opposite to the one end of the shaft, a first bearing that acts on the first bearing action member and supports the first bearing action member in one axial direction of the axial directions and in a radially inward direction of the shaft, and a second bearing that acts on the second bearing action member and supports the second bearing action member in another axial direction, which is opposite to the one axial direction, and in the radially inward direction of the shaft.

Abstract: A centrifugal compressor includes a housing 20 having a facing surface 22f facing the outer peripheral surface of a cover 43, a seal member 50 forming a clearance with the outer peripheral surface of the cover 43, an inclined hole 55 formed in the seal member 50, extending at an angle to the side opposite to a direction of rotation, and having an opening portion 57 opening at a position facing the outer peripheral surface of the cover 43, a first fin 52 provided on the seal member 50 and protruding toward the outer peripheral surface of the cover 43, and a communication flow path portion 64 formed in the housing 20, having an introduction port 66i opening at a position facing the outer peripheral surface of the cover 43, and communicating with the inclined hole 55.

Abstract: The centrifugal turbo-compressor (2) includes a hermetic casing (3); a drive shaft (6) having a longitudinal axis and rotatably arranged within the hermetic casing (3); a compression stage including an impeller (17) connected to the drive shaft (6); a gas suction inlet (42); and a gas flow path (P) fluidly connected to the gas suction inlet (42) and configured to supply the compression stage with a gas flow. The gas flow path (P) includes a relaxation chamber (46) at least partially surrounding the drive shaft (6), the gas suction inlet (42) emerging substantially radially into the relaxation chamber (46); and a plurality of inlet flow guide channels (51) fluidly connected to the relaxation chamber (46) and angularly distributed around the longitudinal axis of the drive shaft (6), the inlet flow guide channels (51) extending radially towards the drive shaft (6) and being axially offset from the gas suction inlet (42) and the relaxation chamber (46).

Abstract: A fan device includes a casing unit and a fan impeller unit mounted in the casing unit. The casing unit includes a casing body formed with a receiving space and an air outlet port, a porous plate formed with a plurality of through holes and is disposed in the receiving space to divide the receiving space into an air-flowing room and a noise-reduction room, and an air-entering tube in spatial communication with the air-flowing room. The fan impeller unit is disposed in the air-flowing room and rotatable to generate airflow partially flowing from the air-flowing room into the noise-reduction room through the through holes.

Abstract: Disclosed is a turbo blower with an impeller unit-cooling fan for a fuel cell and, more particularly, a turbo blower with an impeller unit-cooling fan for a fuel cell, the turbo blower improving efficiency and durability of an impeller unit by preventing an increase in temperature by cooling the impeller unit, which generates high-pressure air, using a cooling structure that uses both of an air cooling type and a water cooling type.

Abstract: A fan suspender is disclosed herein. The fan suspender includes a wall-mount able to be affixed to a wall, a fan-mount able to be affixed to a fan, and a suspension-member which rigidly affixed the fan-mount to the wall-mount and enables the fan-mount to be safely suspended over an area. In this way, an electric fan may be effectively mounted to an interior or exterior wall without need of a ceiling to permanently mount the fan to. The suspension member has a curvature, separating a first straight end and a second straight end. The wall mount has a mounting plate with a wall side and an attachment side including a receptacle able to receive the suspension-member. The fan mount has a fan-mounting-plate with a fan-side and a suspension-side including a receptacle able to receive the opposite end of the suspension member.

Abstract: An air pump control system includes a first air pump and a second air pump for inflating or deflating an inflatable body; a switching driving device connected to the air pumps for driving the switching between two or more air passages; and an air pressure sensor for detecting an internal air pressure value of the inflatable body, and sending an internal pressure signal to a central control unit, which is connected to the air pumps, the switching driving device, and the air pressure sensor. The central control unit sends a driving signal to the switching driving device to activate the switching between the air passages, and sends an activation or deactivation signal to the air pumps according to the detected internal air pressure value and a pre-set inflating air pressure value, to activate or deactivate the air pumps. An air pump control method is also disclosed herein.

Abstract: There is disclosed a compressor comprising a case comprising a discharging part provided one side and configured to discharge a refrigerant, the case defining a predetermined space for storing oil; a drive part comprising a rotor coupled to an inner circumferential surface of the case and having coils wound there around and configured to generate a rotation magnetic field, and a rotor mounted in the rotor and configured to be rotatable by the rotation magnetic field; a shaft extending in a state of being coupled to the rotor; a compression part lubricated by the oil in a state of being coupled to the shaft and configured to compress and discharge the refrigerant; and a sealing part extending from the stator towards the compression part and configured to induce the winding of the coil.

Abstract: In accordance with one aspect of the current disclosure, a blower assembly is provided that includes a housing having a pair of side walls and an outer wall connecting the side walls. The outer wall has a cutoff portion and an outlet portion. The housing includes an outlet defined at least in part by an outlet end of the outlet portion and the cutoff portion. The outer wall includes a scroll portion connecting the cutoff portion and the outlet portion. The outlet portion flares outwardly away from the cutoff portion as the outlet portion extends from the scroll portion to the outlet end of the outlet portion.

Abstract: A compressor diffuser for a gas turbine engine includes a plurality of diffuser passages including a first portion having a radial component, a second portion having an axial component, and a curved portion fluidly connecting the first portion and the second portion. The diffuser passages having a throat located within the first portion thereof, and including a first subset of passages and a second subset of passages. The throats of the first subset of passages have a first throat area that is different than a throat area of the throats of the second subset of passages.

Abstract: A noise reducing airfoil defining a span extending between a root and a tip and a chord at each point along the span extending between a leading edge and a trailing edge. The airfoil includes a pressure side, a suction side, and a trailing edge sheath including an outer surface coupled to the trailing edge of the airfoil. The trailing edge sheath extends at least partially along the chord on the pressure and suction sides at each point along the span within the trailing edge sheath. The trailing edge sheath defines a fluid passageway extending along at least a portion of the span. Further, the trailing edge sheath defines at least one aperture on at least one of the pressure side, the suction side, or trailing edge fluidly coupling the fluid passageway to the outer surface.

Abstract: A compressor 100 includes: a rotor 10 having a rotary shaft 11 rotating around an axis A, and an impeller 12 provided integrally with the rotary shaft 11; a casing 5 having a casing main body 51 which surrounds the rotor 10 and forms an annular inlet flow path F1 surrounding the axis A at a front stage of the impeller 12, and an inlet nozzle 52 which introduces a fluid into the inlet flow path F1 from an outer side in a radial direction Dr; an external pipe 2 connected to the inlet nozzle 52 to introduce the fluid from the outside to the inlet nozzle 52; and a cleaning liquid supply part 4 which is configured to supply a cleaning liquid from a plurality of locations in a circumferential direction of the external pipe 2 to an interior of the external pipe 2.

Abstract: In a thrust expansion device, an opposite surface to be opposite to an output surface, on which an output-side lid and a stop lid through which an output rod enters and exits, are disposed, and a plurality of orthogonal surfaces orthogonal to the output surface are capable of being sealed by a sealing lid. A hydraulic chamber transmitting a thrust to a piston portion so as to communicate with an orthogonal surface side and an opposite surface side. In addition, a thrust expansion device includes an output unit having an output surface on which a piston portion and an output rod are disposed, an expansion unit having no output surface, and connecting unit connecting the output unit and the expansion unit.

Abstract: A through-hole of a hydraulic chamber is provided on an input side of a thrust expansion device in accordance with rod diameters of various actuators on the input side, and an input rod of an air cylinder or the like is inserted therein. Thus, a thrust expansion mechanism operates. An input-side actuator attaching portion of the thrust expansion device is configured such that parts can be changed according to a fixing method of various actuators and a rod shape. It is possible to freely change a thrust expansion ratio by changing a cross sectional area of the input rod. A stroke of an output-side rod can be changed by changing an input stroke of the input-side actuator. According to the thrust expansion device, various inexpensive commercially available actuators can be easily attached and replaced by being separated and independent from the input-side actuator.

Abstract: A servohydraulic drive includes a hydrostatic displacement machine, an electric machine that is mechanically speed-coupled with the displacement machine, a hydraulic cylinder that is fluidically connected to the displacement machine via first and second working lines, a hydraulic accumulator, and a supply unit. The displacement machine has a stroke that is adjustable via a hydraulic adjustment device. The cylinder is configured to be activated by reversal of the fluid flow through the displacement machine in opposite directions. The accumulator is preset to a low pressure and is fluidically connected via a valve assembly in each case to the lower pressure working line. The supply unit is configured to supply the adjustment device with pressurized fluid under the necessary pressure for the adjustment regardless of the present pressure in the working lines such that the displacement machine is configured for an active and load pressure-independent adjustment of its stroke volume.

Abstract: Displacement control device for providing pressure fluid to a servo unit for adjusting the displacement of a pressure fluid unit, having a control cylinder in which a control spool is mounted shiftable along the longitudinal axis of the control cylinder, an inlet port, a servo port and a discharge port are formed in the control cylinder longitudinally spaced from each other, wherein the control spool comprising: a basically cylindrical outer surface; a front face on which an actuation force can act for shifting the control spool along the longitudinal axis; a discharge area opposite to the front face; a longitudinal bore inside the control spool, wherein one end of the longitudinal bore opens towards the front face and the other end is connected via a backpressure orifice with the discharge area; a control recess provided lengthwise in the outer surface; a radial bore which connects via a flow limiting orifice the longitudinal bore with the outer surface, wherein the opening of the radial bore at the outer su

Abstract: Example aspects of an over-pressure protection system and a method for using an over-pressure protection system are disclosed.

Abstract: A vortex generator for use in a flowtube of a meter is provided. The vortex generator includes a plurality of raised elements on an inner surface of a flowtube. The plurality of raised elements are positioned on the inner surface of the flowtube upstream of a widening of the flowtube. The presence of the plurality of raised elements improves boundary layer adherence. Related systems and meters are provided.

Abstract: A fool-proof housing is configured for a first mounting piece which includes a first fool-proof recess or a second mounting piece which includes a second fool-proof recess to be disposed thereon. The fool-proof housing includes a casing and a fool-proof element. The fool-proof element includes a fool-proof protrusion. The fool-proof element is movably disposed on the casing and includes a first position and a second position. When the fool-proof element is in the first position, the casing is configured for the first mounting piece to be mounted thereon, and the fool-proof protrusion blocks the second mounting piece from mounted on the casing. When the fool-proof element is in the second position, the casing is configured for the second mounting piece to be mounted thereon, and the fool-proof protrusion blocks the first mounting piece from mounted on the casing.

Abstract: The present invention provides a box latch. The box latch is provided with two wedge-shaped pins symmetrically arranged around its center, and the two wedge-shaped pins are movable into a wedge-shaped notch formed by mating parts of two spliced adjacent boxes and mating with the wedge-shaped pin to lock the two adjacent boxes. The two wedge-shaped pins are symmetrically arranged around its center such that only one box latch is required to lock two adjacent boxes together, reducing the number of splicing steps and box latches, further saving manpower and material resources. In addition, the wedge-shaped pin and the wedge-shaped notch are shaped and configured to mate with each other such that self-locking occurs when they are locked, thus providing a stable connection of the boxes.

Abstract: Disclosed herein is a fitting for attachment to a part. The fitting comprises a body and a nut assembly. The body comprises a nut portion. The nut portion comprises a nut receptacle having a converging portion and a central axis. The nut assembly comprises a seal and a nut. The seal is within the nut receptacle, non-translatably fixed relative to the nut receptacle, and spaced apart from the converging portion. The nut is within the nut receptacle, is translatable along the central axis of the nut receptacle, and comprises resilient fingers that are resiliently deformable away from the central axis. Translation of the nut along the central axis is constrained by the converging portion and the seal.

Abstract: A fixing disc (1) for initially fixing a fastening element (2) in an opening of a component to be fastened, in particular a facade panel, during mounting of the fastening element (2) and for cutting into and/or removing a defined region of a protective film on the component to be fastened during mounting of the fastening element (2) is described. The fixing disc (1) has a fixing means for initially holding the fastening element (2) in a predetermined position relative to the opening during mounting of the fastening element (2), at least one connecting means (4) for at least temporarily producing a connection between the fixing disc (1) and the fastening element (2), and at least one cutting and/or friction means (5) on that side of the fixing disc (1) which faces the component to be fastened.

Abstract: The invention relates to a locking device designed to lock objects to tubes or other elongated elements. The locking device generally comprises one or more lock plates and lock housings. In one exemplary embodiment, when assembling the locking device to a tube, two lock housings are put together with open sides against each other around a tube with a dimension corresponding to approximately half of a recess which is found on the lock housing's sides and are oriented in the tube's axial direction. The two lock housings form a closed geometry around the tube. Lock plates are used to connect the two lock housings together. By applying a screw in a threaded hole in one of the lock housings' cover, the through tube is pressed against an opposite lock housing at substantially the same time as the lock plates hold the lock housings together.

Abstract: A bed includes a bed frame and a backrest coupled with the bed frame by a plurality of connecting units, each including first and second plate. The first plate is fixedly disposed at a first side of the bed frame and includes one or more slots elongated in the lateral direction of the bed frame. The second plate includes one or more rows of holes, and is fixedly coupled with the first plate by at least one fastener through at least one slot of the first plate and at least one hole of the second plate. Each connecting unit also includes one or more locking nuts fixedly disposed at the second plate, and one or more locking bolts. The one or more locking bolts pass through one or more holes or slots formed in the backrest and fixedly coupled with the one or more locking nuts of the second plate.

Abstract: A fastener includes a body, a fastener head having a flange extend radially outward from the body, and a plurality of shoulders that extend outwardly from the body. The body also includes a finger that extends from one end of each of the shoulders. The body further includes a plurality of cutouts positioned on the body between the shoulders. The body is flexible along the cutouts. The fingers are also flexible and cooperate with a plurality of locking features of a first component to sufficiently hold the first component and a second component between the fingers and the flange.

Abstract: Connector housings and connector assemblies for mechanically connecting a pin to a housing with or without electrical conductivity. A connector housing can be formed by attaching two housing sections together with one or both housing sections formed at least in part by a stamping process. The connector housing can have an outer contour, such as an outer perimeter, with one or more sides and with a joining section connecting two adjacent sides together. The two or more sides can be used for handling, aligning, and/or assembling of the connector housing to a cavity.

Abstract: A screw structure is disclosed herein. It comprises a fastening member having a thread part and a magnetic layer formed on a surface of the thread part.

Abstract: Disclosed are example aspects of a method, process and machine to anchor objects to a surface using an encapsulated compound such as adhesive, expanding glue, hardening agent or other reactive and/or bonding substance intended for single use in a single anchor installation. A method of using an anchor with an encapsulated substance can comprise the steps of encapsulating a substance within an anchor and releasing the encapsulated substance through the insertion of a fastener into the anchor.

Abstract: A dual-threaded screw structure having two kinds of threads formed on a shank, namely, a first thread consisting of one or more threads and a second thread having a lead larger than a lead of the first thread is provided herein. The claimed configuration has a beneficial effect of preventing looseness when the screw structure is fastened with double nuts. One embodiment of the present invention exhibits an example of a dual-threaded screw structure, in which a root diameter between the ridges of the hill-like second thread ridges is formed to be larger by 10% of a height of the ridges than an effective diameter of a first thread. In this case, an inner diameter of an internal thread of a second nut for preventing looseness is formed to be larger than the effective diameter of the first thread by 10% of the height of the ridges.

Abstract: The present disclosure provides descriptions of configurations for bonding washers used to facilitate the electrical bonding of metal structures. The bonding washer includes an electrically conductive body and at least one piercing member extending from a bottom surface of the body. An extended member extends from the electrically conductive body in a direction away from the bottom surface of the body.

Abstract: A linkless, locking snap-hook, comprising a body member with a proximal hook, defining a proximal opening facing a first direction, and a distal hook, defining a distal opening facing a second direction. A linkless, locking snap-hook also comprising a locking mechanism which has a keeper, a biasing means, and a locking grip member. The linkless, locking snap-hook is capable of accepting a variety of attachment devices.

Abstract: A latching system includes a first lever connected to a first cable having a first cable end, a second lever connected to a second cable having a second cable end, a latch connected to a third cable having a third cable end, and a cable splitter assembly. The cable splitter assembly has a housing with a first end and a second end and a body with an interior surface defining an interior chamber. A carriage is configured to translate within the interior chamber. The carriage includes a carriage body with a plurality of cavities arranged to seat the respective first, second, and third cable ends and a plurality of resilient arms integrally formed as one piece with the carriage body.

Abstract: A drive shaft is for selectively connecting a drive input to an output. The drive shaft has a tubular portion, a first diaphragm member, and a second diaphragm member displaced axially along the shaft from the first diaphragm member. The first and second diaphragm members each are formed with two axial ends. At least one undulation extends radially of the ends. The tubular portion connects the first and second diaphragm members. The first and second diaphragm members and the tubular portion are formed of fiber-reinforced polymer matrix composites. The first and second diaphragm members are connected to first and second axial ends of the tubular portion through a mechanical connection at joints. A method of forming a drive shaft is also disclosed.

Abstract: A hybrid opposed piston engine is described that can include a cylindrical chamber and first and second pistons slidably disposed in the cylindrical chamber, surfaces of the first and second pistons and walls of the cylindrical chamber defining an internal combustion volume. The hybrid opposed piston engine can also include at least one port in the cylindrical chamber to allow air and fuel into and exhaust gas out of the internal combustion volume. In some embodiments, the hybrid opposed piston engine includes a drive shaft including a first mechanical linkage between the first piston and a crankshaft that is configured to move the first piston within the cylindrical chamber. In some embodiments, the hybrid opposed piston engine includes an electrical component adjacent to the second piston, the electrical component configured to move the second piston within the cylindrical chamber.

Abstract: The present invention relates to a mechanical system (1), comprising a bearing (4) and a shaft (10) coupled to the bearing (4), especially for an internal combustion engine, being subjected to average contact pressures of less than 200 MPa. The shaft (10) has at least one area (12) provided with an anti-seizing surface coating (20), having a surface hardness at least twice that of the bearing (4), and a microtexturation (30) comprised of a set of individual microcavities (31), distributed in said area (12). The invention also relates to a method for manufacturing such a mechanical system (1).

Abstract: The invention relates to a flap bearing having a pivot bearing for coupling a control arm of a prestressed lifting device in an articulated manner to a flap, folding flap, door, or the like of an item of furniture, an installation support of the flap bearing being fastened to the flap, folding flap, door, or the like, and a bearing part of the flap bearing supporting the pivot bearing and being supported on the installation support for displacing or pivoting along a displacement path. According to the invention, a positioning element is displaceably or pivotably supported on the installation support, and the positioning element is disposed in a displacement range of the bearing part along the displacement path. The invention further relates to a lifting device having such a flap bearing and a method for adjusting such a flap bearing. The flap bearing can be simply and quickly adjusted to the correct position thereof so that the flap, folding flap, door, or the like closes completely.

Abstract: A hinge has a hinge body forming an articulating section extending between a first end and a second end of the hinge. The articulating section is adapted to bend from a neutral axis when the first and second ends are parallel to an angular range in which the first end is arranged among a plurality of angles within the angular range relative to the second end. The hinge body may define a receptacle along the articulating section, and an insert may be provided for insertion into the receptacle. The insert can modify the stiffness of the hinge in the angular range and is arranged parallel to the neutral axis.

Abstract: A bearing system that accepts a journal of a roll includes a housing defining a cavity and having a forward wall that defines an opening into the cavity, the opening configured to accept the journal through the opening and into the cavity. A sleeve is positioned within the cavity of the housing, the sleeve configured to surround the end of the journal. A first seal is positioned within the cavity of the housing adjacent to the forward wall of the housing, the first seal having an engagement surface. A second seal is positioned within the cavity of the housing and operably connected to the sleeve, the second seal having an engagement surface in contact with the engagement surface of the first seal.

Abstract: The invention relates to a hydrodynamic bearing, namely a hydrodynamic disk-shaped thrust bearing or hydrodynamic thrust washer, wherein hydrodynamic structures having elevations and having depressions arranged between adjacent elevations are arranged on opposite sides of the bearing, which hydrodynamic structures extend in the peripheral direction, and slopes of the hydrodynamic structures are arranged between adjacent depressions, which slopes extend from the depressions toward the elevations. According to the invention, at least some of the elevations of the hydrodynamic structures of the first side of the bearing are arranged in the region between two depressions of the hydrodynamic structures of the second side of the bearing, the elevations of a side of the bearing being arranged at an offset to each other in the peripheral direction. The hydrodynamic bearing can be easily adapted to expected axial loads of the bearing and enables low-loss and low-wear axial support.

Abstract: A glide bearing for guiding axial movement between inner and outer telescoping columns may include first and second spaced apart contact surfaces, and a resilient wall extending therebetween and having an outer convex surface defining an apex. A span between the apex and a plane defined between the first and second contact surfaces is greater than a width of a space between the outer surface of the inner column and the inner surface of the outer column. The glide bearing is configured to be disposed within the space with the first and second contact surfaces contacting the outer surface of the inner column, with the apex contacting the inner surface of the outer column and with the resilient wall deflecting inwardly toward the plane to accommodate the space in response to a force of the inner surface of the outer column acting against the apex.