Abstract: A pump device, in particular for a fluid circuit in a motor vehicle, comprising a housing, a drive, a rotor, a stator and a radial bearing, wherein the housing has an inlet, wherein the rotor comprises an impeller wheel, wherein the drive is designed to set the rotor in rotation relative to the stator, wherein the inlet is fluidly connected to the impeller wheel, wherein the rotor has a rotor cavity, wherein a section of the stator projects into the rotor cavity, and wherein the radial bearing is situated in the rotor cavity between the section of the stator and the rotor.

Abstract: A pivoting connection device connecting at least two components and comprising an end fitting having first and second branches, an arm positioned between the first and second branches of the end fitting, a cylindrical axle connecting the end fitting and the arm and having, at one of the ends thereof, a first portion configured to expand radially, a cylindrical rod configured to be screwed into a tapped portion of the cylindrical axle, an insert fitted on the cylindrical rod and movable between a first position, in which the first portion is not expanded, and a second position, in which the first portion is expanded radially, and a nut configured to be screwed on the cylindrical rod to urge the insert into the second position.

Abstract: An eccentric shaft (1) for a compaction machine comprising at least one pair of straight circular cylindrical bearing seats (2,3) arranged on either side of a center of gravity (TP) of the eccentric shaft (1). The bearing seats (2,3) are arranged such that cylinder axes (4, 5) thereof approximately intersect or cross each other at a concave angle (V), less than 179.8 degrees, towards the center of gravity (TP) when the eccentric shaft (1) is at rest.

Abstract: A piston bolt may include an axial opening and at least one reinforcement rib may be arranged on an inner surface of the opening. The at least one reinforcement rib may be helical in conformation or may include a plurality of reinforcement ribs forming a honeycomb pattern.

Abstract: The invention relates to a tensioning device for a traction drive, comprising a receiving housing, a roller carrier which is pivotably connected to the receiving housing, a helical tension spring which is supported at the receiving housing and at the roller carrier in circumferential and axial direction, wherein the roller carrier and the receiving housing are axially fixed relative to one another by the helical tension spring, a bearing arrangement by which the roller carrier is supported in the receiving housing so as to be rotatable around a rotational axis, a damping arrangement for damping a rotational movement of the roller carrier relative to the receiving housing, wherein the damping arrangement is arranged so as to be axially spaced from the bearing arrangement and is axially loaded by a tensile load of the helical tension spring.

Abstract: According to one embodiment, a bearing features an elastomeric portion having an opening therethrough, a member disposed within the opening of the elastomeric portion, and a separation feature disposed between the member and the elastomeric portion. The member comprises a conical body portion arranged such that an interior diameter of the conical body portion is smaller than an exterior diameter of the conical body portion. The separation feature prevents contact between the member and the elastomeric portion.

Abstract: According to one embodiment, a bearing is situated between a pitch link and a swashplate or a hub. The bearing comprises an outer housing having a first opening therethrough, an intermediate housing adjacent the housing inside the first opening and having a second opening therethrough, and an inner housing adjacent the intermediate housing inside the second opening and having a third opening therethrough. The inner housing comprising a first inner surface and a second inner surface defining the third opening. A first member is adjacent the first inner surface inside the third opening having a fourth opening therethrough. A second member is adjacent the second inner surface inside the third opening having a fifth opening therethrough coaxial with the fourth opening.

Abstract: A scroll compressor is disclosed which prevents leakage of refrigerant from a compression chamber and abrasion of bearings between a rotating shaft and an orbiting scroll by reducing the tilting angle of the orbiting scroll, because the allowable bearing angle is equal to or larger than the tilting angle, where the allowable bearing angle ? refers to the maximum angle at which the orbiting scroll is tilted with respect to the rotating shaft, and the tilting angle ? refers to the angle at which the orbiting scroll is tilted with respect to the plate.

Abstract: According to one embodiment, a bearing is situated between a pitch link and a swashplate or a hub. The bearing comprises an outer housing having a first opening therethrough, an elastomeric bearing adjacent the housing inside the first opening and having a second opening therethrough, and an inner housing adjacent the elastomeric bearing inside the second opening and having a third opening therethrough. The inner housing comprising a first inner surface and a second inner surface defining the third opening. A first member is adjacent the first inner surface inside the third opening having a fourth opening therethrough. A second member is adjacent the second inner surface inside the third opening having a fifth opening therethrough coaxial with the fourth opening.

Abstract: A bearing assembly for an oscillation joint on a machine having a tandem wheel drive. The bearing assembly rotatably supports an oscillating hub rotatably connected to a shaft. The bearing assembly includes a frustoconical inboard bearing having a first bearing surface and a frustoconical outboard bearing having a second bearing surface disposed thereon positioned such that the first and second bearing surfaces form a generally v-shaped bearing interface between the shaft and the hub.

Abstract: A variable vane assembly for a gas turbine engine having a casing, including: a variable vane including a platform and a vane stem extending outwardly from the platform; a bushing surrounding the vane stem; a lever for moving the vane between a closed position and an open position; and, a mechanism for incrementally rotating the bushing to a new circumferential position with respect to the vane stem as the vane is cycled each time between the closed and open positions.

Abstract: A guide bushing for a tensioning rod in a vertical pulverizer includes a bushing body having a substantially cylindrical interior bushing surface configured and adapted to moveably engage a tensioning rod of a vertical pulverizer. The bushing body is divided circumferentially about the bushing surface into a plurality of sections joined together. The sections are configured and adapted to separate from one another for installation and removal of the bushing body about a tensioning rod of a vertical pulverizer.

Abstract: A rotary member includes a rotary shaft with a flange that projects radially out from a position near an end of the rotary shaft. A shaft end portion of the rotary shaft projects longitudinally beyond the flange and has a lubricant filling hole for receiving a lubricant. The rotary member also includes a bearing with a wall surface that has a recess. The recess has an opening and a closed depth end. The shaft end portion is accommodated in the recess so that the flange contacts the wall surface and closes off the recess to define a substantially closed space that can retain lubricant.

Abstract: A wheel end assembly having a dual wheel configuration includes independently rotating wheel hubs to reduce tire wear. Each wheel hub is supported on an axle spindle via a bearing member. Another bearing member is mounted between the wheel hubs to allow each wheel hub to rotate independently from the other. A fastening assembly retains the hubs on the spindle to prevent linear movement along the spindle.

Abstract: A control valve assembly comprising at least two control valves which may be used, for example, to throttle the air intake of an internal combustion engine. The assembly is provided with a centrally arranged, force-transmitting shaft (32). The control valves are formed by blades (15) in frames (16) produced by an assembly injection molding process. The control valve blades (15) can be molded onto the force-transmitting shaft (32). The resulting assembly can be mounted or installed as a unit. Alternatively, instead of using a single continuous shaft, shaft projections can be injection molded on the valve blades, which terminate in lugs which engage in a rotationally secure manner in sockets in an adjacent valve assembly so that the two assemblies rotate together as a unit. The resulting control valve assembly is easy to install and advantageously takes up only a little space.

Abstract: The invention provides a special type bearing device that is insusceptible to damage, is light in weight, has a long service life and excellent wear resistance, is insusceptible to the effect of change in temperature, is easy to fabricate, and has little offensiveness towards mating members. Further, the same is capable of sufficiently retaining a lubricant such as oil and grease, and retaining the lubricant for a long period of time without the need of supplying oil during operation, thereby rendering it maintenance-free. That is, the special type bearing device as described above has an axial shaft, a pair of rotating bodies fixedly attached to the shaft, and a supporting body with which the rotating bodies are in contact, wherein any one of the shift, the rotating bodies, and the supporting body is made of RB ceramic or CRB ceramic.

Abstract: A bearing that includes a first bearing support member; a second bearing support member spaced from the first bearing support member, the first and second bearing support members each having a first end and a second end; and a resilient member between the first and second bearing support members, the resilient member having a radial thickness, the radial thickness varying between the first and second ends of the bearing support members, and whereby the bearing wears substantially constantly during its useful life.

Abstract: A tubular sealing spacer is disclosed which is an improvement on the standard toe shift mechanism for connecting a toe shift lever to the transmission of a motorcycle for shifting gears during acceleration or deceleration of the motorcycle. The spacer fits over a shaft that is rotatably mounted in a housing and which has an end portion that projects beyond an outer end pace of the housing on which a toe shift lever is mounted, the spacer being located between an inner face of the toe shift lever and the outer end face of the housing. The spacer has an annular sealing member that presses on the outer end face of the housing when the parts are assembly to prevent grease that is injected between the outer surface of the shaft and the inner surface of the housing from oozing out of the housing and coating portions of the shaft, the housing, the toe shift lever and other adjacent parts.

Abstract: A steel mill roll has its ends supported in self-aligning bearings that do not require a liquid or grease lubricant, and which are capable or operating at roll shaft temperatures up to 1500.degree. F.

Abstract: A rotator includes an axle and an associated rotor component having lamellar vanes. A case component surrounds the rotor component. Chambers arranged symmetrically in relation to the axle are disposed between the lamellar vanes. These chambers are pressurized by oil fed through feed and outlet openings connected to the chambers. Bearing members are arranged in an axial direction on both sides of the rotor component. A conical bearing carries the axial rotor load and is formed by a conical arrangement of juxtaposed surfaces defined by the case and axle. The case includes channels leading from the chambers to the conical surfaces for communicating pressurized oil thereamong. The conical arrangement includes spaced gaskets. Oil pressure applied between the conical surfaces raises the axle off the case. In the absence of oil pressure, the conical surfaces lock as a result of friction between the case and axle.

Abstract: An improved motor and bearing assembly is provided for use in an axial gap electric motor. The motor and bearing assembly includes a bearing support, bearing cones circumferentially mounted on the bearing support and a rotating bearing member. Each bearing cone has an axial conical surface at one end. The conical surfaces face each other to form a V-shaped cross-sectional groove. The rotating bearing member includes two rotating bearing rings abutting one another, each ring having an angularly disposed surface forming a V-shaped configuration complementary to the V-shaped groove of the bearing cones. The rotating bearing member provides axial and radial support of the rotor of the axial gap electric motor. Each of the bearing cones is axially movable relative to the bearing support, thereby permitting the stator-to-rotor gap and the bearing clearance to be adjusted after final assembly.

Abstract: A shaft-mounted bushing for connecting a rotating member to a shaft. The bushing includes a frame receiving a hub rotatably mounted therein. The hub includes an opening at one end thereof for receiving a shaft from the one end thereof. The hub includes a tapered portion which converges inwardly from the one end of the hub and toward the other end thereof. A sleeve is mounted into the hub from the one end of the hub and between the tapered portion of the hub and the cylindrical shaft. The outer portion of the sleeve converges inwardly from the one end of the hub and engages the hub. The sleeve presents an inward portion which is coaxial with and parallel to the cylindrical shaft for engaging the shaft in force transmitting relation ship therewith. The bushing assembly is completed by drawing the sleeve into the hub by way of a fastener located at the other end of the hub.

Abstract: A canned motor pump has a housing and a shaft which is mounted for rotation internally of the housing and extends between the pump and the motor. The end of the shaft remote from the pump is received by a plain bearing bushing. The bushing is press-fitted into a sleeve having a threaded section which serves to releasably connect the sleeve to the housing. The sleeve has another section which is adjacent to the threaded section and is provided with a conical surface. The conical surface cooperates with a complementary surface on the housing to center the sleeve.

Abstract: A shaft bearing structure comprises a shaft which is to be rotatably supported, a bushing disposed on the shaft, the bushing having an outer surface tapered in an axial direction so as to have a frusto-conical configuration, a support member having a support opening for receiving the bushing, the support opening having an inner surface tapered in an axial direction so as to have a frusto-conical configuration, and a biasing member on the shaft biasingly urging the bushing in an axial direction such that the tapered outer surface of the bushing is biased into mating contact with the tapered inner surface of the support opening.

Abstract: A method of manufacturing a bearing device having a housing into which a bearing bush is press-fitted. This method includes forming a tapered shape of a bearing hole of a bearing bush, and press-fitting the bearing bush into a bore of the housing having a uniform inside diameter.

Abstract: The invention relates to bearing support of a throttle valve shaft in the housing of an exhaust gas line in which the shaft is rotatably supported on both sides in a bearing sleeve element constructed cup-shaped. The cups themselves are retained by spring force against the housing extending correspondingly conically within these areas. In order to keep small the actuating forces necessary for the rotation of the throttle valve shaft, each bearing sleeve element is retained by itself against the housing by means of a spring supported at the housing and the securing of the shaft against any axial displacement takes place by a separate axial bearing.

Abstract: A tail rotor flapping hinge elastomeric bearing in which the inner and outer races are split and the races have ramped surfaces with the higher slope of the inner races being toward the outer edge of the bearing. The races have a plurality of slope angles and each inner race having a groove therein to facilitate a method of preloading.

Abstract: A scroll machine having an eccentric crank pin on a cranshaft disposed nonrotatably in the bore of a drive busing for driving the orbiting scroll of the compressor. A flat on the crank pin drivingly engages a flat in the bore, one flat being at an acute angle to the normal cranksahft axis so that when the crankshaft deflects under normal loads the flats come into better contact with one another to reduce unwanted wear. Several other embodiments are also disclosed.

Abstract: A wicket gate mounting for the individual wicket gates of a water turbine includes a respective bottom stem for the wicket gate. The mounting includes a conically tapered inner bore of an outer bushing and a cooperating, complementary, conically tapered outer surface of an inner bushing. The inner bushing is longitudinally slit. The inner bushing is connected to a ring disposed at one end which has an axial surface facing toward an axial surface on the end of the outer bushing. Between the axially facing surfaces at the ends of the inner and outer bushings is disposed an axially adjustable alignment ring for adjusting the axial positions of the inner and outer bushings with respect to each other which adjusts the bearing play between a layer of slide bearing material inside the inner bushing and the wicket gate stem. The axial thickness of the alignment ring is adjusted, e.g. by being reduced in thickness so that the inner bushing is pressed further into the stationary outer bushing.

Abstract: A precision, low cost bearing for connecting the ends of two hinge links to one another for relative pivoting, the adjacent end portions of the links being formed with housings each having a socket. A spindle fixed rigidly within one of the sockets is telescoped into the other of the sockets and is formed with a taper which mates with a taper formed in the closed end portion of the latter socket. A bushing is telescoped over the spindle and into the socket and is formed with a tapered hole which mates with a second taper on the spindle. The two sets of mating tapers coact to enable the spindle to turn in the bushing with a close but free running fit in spite of diametrical and axial dimensional differences between the socket, the spindle and the bushing.

Abstract: A windshield wiper shaft is mounted in a bearing bushing, wherein the bearing bushing and the wiper shaft rest against each other with conical bearing surface portions to compensate for possible radial play. This is important in constructions in which the bearing bushing and the wiper shaft are injection-molded from plastics material.

Abstract: A belt tensioner in which the bearing for mounting the pulley carrying pivoted structure on the fixed structure comprises a frustoconical sleeve bearing having a frustoconical exterior surface and a frustoconical interior surface engaged between annular portions of the two structures. The frustoconical surface of one of the annular portions is (1) formed on the exterior periphery thereof and (2) disposed in engagement with the interior bearing frustoconical surface. The one annular portion has a load center point disposed on the pivotal axis of the pivoted structure. The other annular portion has a load center point disposed on a line disposed within a plane passing through the pivotal axis of the pivoted structure and the rotational axis of the pulley corresponding to the one line of the two lines of intersection of the bearing frustoconical surface with the plane through which the radially inward force component transmitted by the pivoted structure is applied to the sleeve bearing.

Abstract: A bearing structure including first and second tapered bearing surfaces for accommodating on-bottom and off-bottom thrust and radial forces on a drive shaft in a down hole drilling environment and further including a radial bearing mounted between the first and second tapered bearings for restricting bending of the drive shaft.

Abstract: The present invention relates to an arrangement for an axle (4) which is anchored at two points situated at the ends of the axle (4), preferably in mounting cheeks (1, 2) or the like provided with through-bores (5, 6) for the axle (4). Anchoring is accomplished by nuts (7, 8) which can be screwed on outside the fixing points. On a central cylindrical part (9) the axle is designed to have a bearing (10) mounted on it which is fixed by spacer elements (11, 12) disposed on the axle (4) and bridging the distance between the respective fixing points and the bearing (10).According to the invention one (11) of the spacer elements (11, 12) is disposed fixed relative to the cylindrical part (9) of the axle (4). The arrangement comprises two expanding sleeves (13, 14) which can be inserted in the through-bores (5, 6) and have inwardly-facing and/or outwardly-facing conical shaping.

Abstract: A rocker bushing for a roller structure for supporting a boat on a trailer bed and having a male and female member formed of two cylindrical portions surrounding the shaft and supporting the roller. Each cylindrical member having a tapered longitudinal portion but terminating in a radially outwardly extending stop flange of increased radial thickness. The bearing surface of the rocker bushing positionally adjacent to the shaft is curved to allow the roller to gimbal or wobble to engage the angle of a boat hull. The integral construciton of the rocker bushing provides support across the entire width of the roller.

Abstract: The invention relates to a guide bushing used to maintain alignment of a rotary shaft and in particular to a guide bushing for use as a mining deck bushing. When drilling blast holes in surface mining operations, it is conventional to pass the drill pipe through a deck bushing located on the floor or deck of the blast hole drill. During drilling operations the drill pipe has a tendency to run off laterally, and vibrate vertically. The purpose of the deck bushing is to keep the drill pipe as straight as possible, and prevent wear of the more costly deck. The present invention provides a guide bushing for use as a deck bushing and is equipped with a rotatable inner sleeve which is supported by angular journal bearing surfaces and ball bearings located in elongate annular grooves, which allow the guide bushing to maintain alignment of the drill pipe without premature failure of the ball bearings, grooves or other bearing surfaces.

Abstract: A rotary machine has a plurality of rotors rolling over one another and defining therebetween and end covers at least one working chamber, and at least one sealing plate at at least one side of the rotors and arranged so that an opposite side of the sealing plate communicates with the working cavity and the working medium flowing to the opposite side of the sealing plate presses the latter against one end face of the rotors. Insert members of bearing have conical surfaces receiving the shaft and can turn about their axes to compensate for wear.