Abstract: A pressure control device can include an outer housing, a bearing assembly with bearings to rotatably support an inner barrel in the outer housing, a heat exchanger, and fluid passages that communicate between the bearings and the heat exchanger, and a latch assembly configured to releasably secure the bearing assembly in the outer housing. The latch assembly can include a heat exchanger configured to exchange heat with the bearing assembly heat exchanger. Another pressure control device can include a bearing assembly with bearings to rotatably support an inner barrel in the outer housing, fluid passages that communicate with space adjacent the bearings, a pump in communication with the fluid passages, and a gear train connected between the pump and a ring gear secured to the inner barrel.

Abstract: A strut bearing assembly includes: a first case coupled to an insulator mounted on a body of the vehicle, and having a strut disposed therethrough; a second case mounted under the first case in a top-to-bottom direction of the vehicle, configured to rotate relatively to the first case, and having the strut disposed therethrough; and a center plate disposed between the first and second cases, and configured to support the first case to rotate relative to the second case. The center plate has a ring shape with a hollow portion, and includes an inclined portion that is inclined downward toward an outside in a radial direction based on a central axis of the strut.

Abstract: A turbocharger for an internal combustion engine, comprises a housing (2) with a compressor blade (3) on the air side, a shaft (1) driving the compressor blade (3), and at least one radially acting rotary bearing (5) for mounting the shaft (3), wherein the rotary bearing (5) is designed as a hydrodynamic sliding bearing, wherein a stationary bearing element (6) is penetrated by the shaft (1) and a first mounting is formed on one first side of the bearing element (6) and acts axially against a bearing collar (7) rotating with the shaft, wherein an oil supply (9) for supplying the mountings is designed in the bearing element (6), wherein a plurality of flow surfaces (10) with a height (h) varying in the circumferential direction is formed on one surface of the bearing element (6) facing the bearing collar (7) in the axial direction, wherein an individually dimensioned throttle element (11, 12) is designed in the oil supply (9) for each of the two mountings.

Abstract: An implantable blood pump includes an impeller rotatable about a rotational axis, having a body with a bottom surface at a downstream end and a central opening centered about the axis extending at least partially through the body from the bottom surface. A projecting element, e.g., a shaft, extends from below the bottom surface into or through the opening to support the impeller. The body can be configured to drive a primary downstream blood flow along an exterior of the body to beyond a peripheral edge of the bottom surface, and to provide a secondary downstream blood flow through the opening and along the bottom surface to beyond the peripheral edge, the secondary flow improving washing of a bearing surface.

Abstract: An object is to provide a floating bush bearing device including a circumferential groove over the entire circumference of an outer peripheral surface of a floating bush while ensuring that a pressing force is applied by lubricant oil to the floating bush to reduce oscillation, as well as a turbocharger provided with the bearing device.

Abstract: An implantable blood pump includes an impeller rotatable about a rotational axis, having a body with a bottom surface at a downstream end and a central opening centered about the axis extending at least partially through the body from the bottom surface. A projecting element, e.g., a shaft, extends from below the bottom surface into or through the opening to support the impeller. The body can be configured to drive a primary downstream blood flow along an exterior of the body to beyond a peripheral edge of the bottom surface, and to provide a secondary downstream blood flow through the opening and along the bottom surface to beyond the peripheral edge, the secondary flow improving washing of a bearing surface.

Abstract: Provided is a thrust sliding bearing which, while allowing a shaft member to smoothly rotate, can support for a long period of time a thrust load acting on the shaft member. A thrust sliding bearing comprises: an upper case (2) mounted to an upper support for mounting a strut-type suspension to a vehicle body; a lower case (3) mounted to an upper spring seat for supporting the upper end of the coil spring of the strut-type suspension, the lower case (3) being combined with the upper case (2) to form an annular space (5); and an annular center plate (4) disposed in the annular space (5) and enables the relative rotation between the upper case (2) and the lower case (3). The annular space (5) is filled with lubricating grease.

Abstract: A separator includes: a centrifugal drum; a drive spindle, where the drive spindle is rotatably mounted in a drive housing by a neck bearing and a foot bearing, and where the drive housing encloses a drive chamber; an electric motor which has a stator and a motor rotor, where the motor rotor is disposed on the drive spindle, where the stator is fixedly connected to the drive housing, where an air gap exists between the stator and the motor rotor, and where the stator and the motor rotor are arranged between the neck bearing and the foot bearing; a lubricating system for lubrication of the neck bearing and the foot bearing; and a coolant system; where the stator has a flange section which is disposed on a collar section of the drive housing.

Abstract: A turbocharger (10) having a bearing housing (14) between a turbine housing and a compressor housing with a shaped core (16) forming an internal oil drain cavity (20) adjacent to a spacer (24) shaped to induce swirling for oil defoaming. A depression (18) in an internal core wall of the bearing housing (14) forms the oil drain cavity (20) with each end (22) of the depression (18) corresponding to a distal end (30) of the spacer (24). The spacer (24) is preferably substantially tubular with a row of oil-flow apertures (32) aligned on each outer span (34) of a recessed center portion (28) to induce swirling.

Abstract: A rotating shaft support structure and a rotary machine which can suppress the influence of lubricating oil on other devices. A rotating shaft support structure (journal bearing mechanism) and a rotary machine having the same includes: a bearing (journal bearing) which supports a rotating shaft, of which the surface facing the rotating shaft is supplied with lubricating oil by a direct lubrication method, and which is disposed inside a cavity holding a suction mechanism for recovering mist of the lubricating oil L leaking from the clearance between the rotating shaft and side plates; and at least one scattering prevention plate which is disposed on the side of an end surface of the bearing in the axial direction of the rotating shaft, on the vertically upper side of the rotating shaft.

Abstract: A thrust bearing, particularly for a turbocharger, having unique configurations on the thrust pad faces, including free-form curvatures or non-linear configurations defined by a geometric equation. The thrust pad faces can be configured by a programmed linear actuator system and cutting tool.

Abstract: A track roller frame is provided for an endless track. The track roller frame includes a shaft including a body portion and a flange. A first bearing assembly rotatably supports a first rim portion on the shaft and a second bearing assembly rotatably supports a second rim portion on the shaft. Each of the first bearing assembly and the second bearing assembly includes a first leg that extends in the axial direction and is disposed along the body portion of the shaft and a second leg that extends in the radial direction and is disposed along the flange. A respective inner surface of each of the first rim portion and the second rim portion that faces the bearing assembly includes a plurality of lubricant pockets for receiving lubricant. Each of the lubricant pockets is configured and arranged such that lubricant contained therein is in fluid communication with the bearing assembly.

Abstract: A thrust bearing includes: a top foil formed of top foil pieces which face a thrust collar; a back foil formed of back foil pieces which support the top foil pieces; and a base plate including support areas which support the back foil pieces. A support area includes an inclined surface defined by a first boundary line and by a second boundary line disposed on a trailing side of the first boundary line in the rotational direction of the thrust collar. The height of the inclined surface gradually increases from the first boundary line to the second boundary line. In addition, a back foil piece is disposed within the inclined surface which is formed continuously from the first boundary line to the second boundary line.

Abstract: Disclosed herein is an apparatus for an immersible pump. The apparatus can include a shaft for communicating with a motor. The shaft includes a first region having a first diameter, a second region having a second diameter that is less than the first diameter, and a tapering region between the two regions. A sleeve can be provided to receive the shaft. A sealing device includes a receiving area in which the tapering region is at least partially positionable to form a seal, and an abutment that is configured to form a seal with the sleeve and that is responsive to a force directed from the sleeve to enhance the seal with the tapering region. In some embodiments, the sealing device is provided with a circumferential outer wall for centering the sleeve about the shaft and/or for aligning the force with the abutment.

Abstract: An implantable blood pump includes an impeller rotatable about a rotational axis, having a body with a bottom surface at a downstream end and a central opening centered about the axis extending at least partially through the body from the bottom surface. A projecting element, e.g., a shaft, extends from below the bottom surface into or through the opening to support the impeller. The body can be configured to drive a primary downstream blood flow along an exterior of the body to beyond a peripheral edge of the bottom surface, and to provide a secondary downstream blood flow through the opening and along the bottom surface to beyond the peripheral edge, the secondary flow improving washing of a bearing surface.

Abstract: A synthetic resin-made sliding bearing includes a synthetic resin-made upper casing which is fixed to a vehicle body side through a mounting member; a synthetic resin-made lower casing which is superposed on the upper casing so as to be rotatable about an axis in a circumferential direction relative to the upper casing; and a synthetic resin-made sliding bearing piece disposed in a space between the upper casing and the lower casing.

Abstract: A turbomachine is made by first providing a stepped shaft having a large-diameter cylindrical portion, an intermediate-diameter cylindrical portion, and a small-diameter cylindrical portion all centered on a common axis. A separately manufactured a one-piece and annular first impeller wheel is then permanently mounted on the large-diameter portion with a back face of the first wheel facing axially toward the intermediate-diameter portion and carrying a rotor bearing half of an axial magnetic bearing. A rotor ring of a radial bearing is then detachably mounted on the intermediate-diameter portion of the shaft, and finally a one-piece and annular second impeller wheel is detachably mounted on the small-diameter portion of the shaft with a back face of the second wheel facing axially toward the first wheel and carrying a rotor bearing half of another axial magnetic bearing.

Abstract: Embodiments to bearing apparatuses for placement into a borehole containing a drilling fluid in which the apparatus is configured for transferring heat to the drilling fluid from a lubricating fluid substantially sealed within the apparatus. The apparatus includes a substantially sealed housing, first and second bearing assemblies disposed about a rotatable shaft extending through the housing, where the bearing assemblies are within the substantially sealed housing. Each bearing assembly includes superhard bearing elements. One bearing assembly is fixed relative to the shaft so as to rotate therewith, while another bearing assembly is fixed relative to the housing. In an embodiment, a lubricating fluid for lubricating the superhard bearing elements may circulate from within a circulation cavity of the housing or shaft between the superhard bearing elements, and be recirculated back into the circulation cavity. In other embodiments, the lubricating fluid may not be recirculated.

Abstract: It is intended, with respect to a first floating bush bearing disposed on a compressor housing side and a second floating bush bearing disposed on a turbine housing side, to improve oscillation stability when a turbine rotor revolves at a high speed, reduce the number of parts, and facilitate processing and assemblability. Provided are a bearing housing (13) for a turbocharger (1), a rotor shaft (16) passing through the bearing housing (13), a first floating bush bearing (17) interposed between the bearing housing (13) and the rotor shaft (16) and disposed on a compressor housing (12) side and comprising a first floating bush, and a second floating bush bearing (18) that has the same shape as the first floating bush bearing (17) and is disposed on a turbine housing (11) side and comprises a second floating bush (20). The inner bearing width (Li) of the first and second floating bushes is formed to be smaller than the outer bearing width (Lo) by the same proportion in both bushes.

Abstract: Provided are a fan for use in a kiln and a method of using a fan in a kiln. The fan is connected to a motor using a hollow shaft and universal joints. An expansion joint is used to allow the hollow shaft to contract and expand during use. The bearings are sealed against corrosion caused by an environment within the kiln.

Abstract: A seal packing guard is provided in a roller assembly of a machine, such as a track carrier roller of a track-type undercarriage. The roller assembly includes a roller mounted on a shaft and having a seal retaining lubricant between the roller and the shaft. A collar and an inner surface of the roller form a seal cavity placing the seal in fluid communication with an ambient atmosphere surrounding the roller. The seal packing guard is attached to an outward surface of the roller and extends over an opening into the seal cavity to reduce the amount of abrasive material entering the seal cavity and potentially compromising the integrity of the seal.

Abstract: A cartridge joint comprises a pin, a first collar circumferentially surrounding the pin and fixed thereto, a second collar circumferentially surrounding the pin and fixed thereto, and a bushing positioned axially between the first collar and the second collar and circumferentially surrounding the pin for relative rotation between the bushing and the pin. The cartridge joint has an annular first seal unit and an annular second seal unit. A method of assembling a cartridge joint is disclosed.

Abstract: A number of variations may include a product for use with a turbocharger system may include a housing with a rotor wheel rotatable relative to the housing. The rotor wheel may have a front face with blades disposed in a gas stream and a back wall facing the housing. The rotor wheel may generate thrust loads. A thrust bearing may be positioned on the housing and may face the back wall. The thrust bearing may be configured to directly absorb the thrust loads from the rotor wheel.

Abstract: A bearing assembly is disclosed that includes a sleeve having an opening formed therein and a shaft positioned within the opening of the sleeve such that a gap is formed between an inner surface of the sleeve and an outer surface of the shaft. A lubricant is disposed in the gap and a plurality of grooves are formed on at least one of the outer surface of the shaft and the inner surface of the sleeve. An anti-wetting coating is disposed on the at least one of the outer surface of the shaft and the inner surface of the sleeve between adjacent grooves of the plurality of grooves.

Abstract: The invention presented is a chain drive sprocket assembly designed to capture lubricating oil from the engine sump or case and distribute the oil throughout the assembly including over the bearings. The invention provides a unique accumulator channel to capture dripping and splashing oil and exit ports with reduced pressure that enable the oil to be drawn through the bearing space and out the assembly, providing for continuous circulation of oil through the assembly.

Abstract: A polymeric thrust bearing is provided for an ultra-high PV environment. The polymeric thrust bearing includes an annular bearing body having an inner perimeter and an outer perimeter, and a plurality of lubricant channels extending across the annular bearing body from the inner perimeter to the outer perimeter. The annular bearing body comprises a polymer composition comprising a polymer having typically a glass transition temperature of at least about 140° C., such as an aromatic polyimide or a poly(aryl ether ketone), and at least one friction and wear additive. The polymeric thrust bearing is configured to withstand a velocity and a pressure in a lubricated environment in which the product of the velocity and the pressure is about 1,100,000 psi-fpm (23540 kg/cm2×m/min) or more.

Abstract: A thrust plate includes an annular-shaped body having a scalloped outer edge that forms a first circumference defined by a first diameter. The thrust plate further includes a plurality of cooling slots formed in a first surface of the body. The cooling slots are formed between each pair of adjacent scallops. A center of each cooling slot extends towards the center of the thrust plate at a common predetermined angle with respect to one another.

Abstract: A bearing assembly comprising a frame; a rotating disc disposed in the frame, the rotating disc comprising a first set of inserts; and a fixed disc disposed in the frame, the fixed disc comprising a second set of inserts, the second set of inserts configured to interact with the first set of inserts, and a lip disposed adjacent the second set of inserts. Also, a bearing assembly comprising a frame; a rotating disc disposed in the frame, the rotating disc comprising a first set of inserts and at least one groove disposed axially above at least one of the inserts; and a fixed disc disposed in the frame, the fixed disc comprising a second set of inserts, the second set of inserts configured to interact with the first set of inserts.

Abstract: A thrust bearing is equipped with a resin coating applied to the surface of a base material. Lattice-shaped discharge grooves are formed in the surface of the thrust bearing, and planer protrusions having a square shape or the like are formed at the adjacent positions thereof. Each corner part of each planer protrusion form a sliding surface that slides with respect to a counterpart member. Contaminants such as wear particles that have infiltrated between the counterpart member and the sliding surface fail into the discharge grooves and then are discharged outside of the sliding surface. The chamfering of each corner part to a rounded shape prevents the contaminants from accumulating in the discharge grooves, thus preventing the contaminants from biting into the planer protrusions.

Abstract: A synthetic resin-made thrust sliding bearing includes a synthetic resin-made upper casing, a synthetic resin-made lower casing, and a synthetic resin-made thrust sliding bearing piece interposed between the upper casing and the lower casing.

Abstract: A thrust sliding bearing 1 includes a synthetic resin-made upper casing 100, a synthetic resin-made lower casing 200, and a synthetic resin-made thrust sliding bearing piece 300 interposed between the upper casing 100 and the lower casing 200, and the thrust sliding bearing piece 300 has an inner annular recessed groove 306 and an outer annular recessed groove 307 which are formed on an upper surface 304 along a circumferential direction and concentrically with each other on an inner side and an outer side in a radial direction X and a lubricating oil such as grease filled without any gap in each of the inner annular recessed groove 306 and the outer annular recessed groove 307.

Abstract: In a synthetic resin-made thrust sliding bearing, a silicone grease whose base oil is a silicone oil, whose coefficient of kinematic viscosity at 25° C. is not less than 100 cSt and not more than 500,000 cSt, and which contains a thickener so as to set its worked penetration to not less than 200 and not more than 400 is interposed at sliding interfaces between, on the one hand, an upper surface of a lower annular flat plate-shaped portion defining a bottom surface of a lower annular recess and a lower surface of an upper annular flat plate-shaped portion and, on the other hand, an upper surface and a lower surface of a thrust bearing piece which are respectively brought into sliding contact with the upper and the lower surface.

Abstract: A horizontal shaft type rotary machine capable of simply feeding oil into thrust bearing devices. Leak oil introduction is provided in the circumferential end parts of thrust bearing devices, for introducing leak oil of lubrication oil from horizontal type slide bearing devices onto slide surfaces of the thrust bearing devices. With this configuration, the thrust baring devices can be lubricated with the use of leak oil of lubrication oil from the horizontal type slide bearing devices, and as a result, it is possible to eliminate the necessity of an oil feed system exclusively used for the thrust bearing devices, thereby it is possible to simplify the pipe line arrangement of the oil feed system and the control of oil feed quantity.

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

Abstract: Vertical motors having a thrust bearing and an oil deflector positioned in an oil sump in which the thrust bearing is located are disclosed. Oil flowing through the thrust bearing may be spread across the oil deflector and directed down along an inside surface of a wall of the oil sump to allow the oil to cool. The oil deflector may be polished sheet metal. In some embodiments, a plurality of fins may be arranged around an outside surface of the wall to provide additional heat exchange. A fan may additionally be provided to direct air flow between the plurality of fins to further facilitate the heat exchange. Methods of cooling a thrust bearing in a vertical motor are also provided, as are other aspects.

Abstract: Bearing assemblies, apparatuses, and motor assemblies using the same are disclosed. In an embodiment, a bearing assembly includes a plurality of superhard bearing elements distributed circumferentially about an axis. At least some of the superhard bearing elements may include a first end surface, a second end surface generally opposite the first end surface, a first side surface extending between the first end surface and the second end surface, a second side surface generally opposite the first side surface, and a bearing surface extending between the first end surface, the second end surface, the first side surface and the second side surface. Such superhard bearing elements may also include a ramped feature negatively sloping away from the bearing surface. The bearing assembly may further include a support ring that carries the plurality of superhard bearing elements.

Abstract: A thrust sliding bearing 1 includes a synthetic resin-made upper casing 100, a synthetic resin-made lower casing 200, and a synthetic resin-made thrust sliding bearing piece 300 interposed between the upper and lower casings 100 and 200, and the thrust sliding bearing piece 300 has inner recessed portions 306 and outer recessed portions 307 which are formed on its upper surface 304 in two rows including an inner row and an outer row and a lubricating oil filled in each of these inner recessed portions 306 and outer recessed portions 307, the inner recessed portions 306 and the outer recessed portions 307 being arranged with a phase difference of an angle ?1=6°.

Abstract: A polymeric thrust bearing is provided for an ultra-high PV environment. The polymeric thrust bearing includes an annular bearing body having an inner perimeter and an outer perimeter, and a plurality of lubricant channels extending across the annular bearing body from the inner perimeter to the outer perimeter. The annular bearing body comprises a polymer composition comprising a polymer having typically a glass transition temperature of at least about 140° C., such as an aromatic polyimide or a poly(aryl ether ketone), and at least one friction and wear additive. The polymeric thrust bearing is configured to withstand a velocity and a pressure in a lubricated environment in which the product of the velocity and the pressure is about 1,100,000 psi-fpm (23540 kg/cm2×m/min) or more.

Abstract: Provided is a bearing device for a beauty/health roller which presents no risk of bathwater or bathtub contamination, is hygienic, is less heavy than conventional ball bearings, is devoid of roller rattle, and exhibits a small rotational resistance of the rollers, and to provide the beauty/health roller having this bearing device. A bearing device 4 for a beauty/health roller is used in a beauty/health roller having a grippable body and a roller 3 arranged at the end portion of the body, and rotatably supports the roller 3 on a supporting shaft 2a provided to the end portion of the body. The bearing device comprises a radial bearing 5 into which the supporting shaft 2a is fitted and which rotatably supports the roller 3 on the supporting shaft 2a; a thrust bearing 6 arranged toward one end face of the radial bearing 5; and a preload-applying member 7 interposed between the radial bearing 5 and the thrust bearing 6.

Abstract: A thrust bearing for use in an engine is disclosed. The thrust bearing may have a ring member with a generally planar front face and a generally planar back face. The thrust bearing may also have a plurality of radially-oriented wedge-shaped channels formed in the front face, and a plurality of recesses formed within the back face. Each of the plurality of recesses may be located in general annular alignment with an associated one of the plurality of radially-oriented wedge-shaped channels.

Abstract: A bearing assembly for a mud motor has a mandrel rotatably disposed within a cylindrical housing, with a rolling-element thrust bearing disposed within an oil-sealed annular chamber between the mandrel and the housing, for resisting on-bottom axial thrust loads. Off-bottom axial thrust loads are resisted by a mud-lubricated thrust bearing assembly located above the oil-sealed chamber. The lower end of a drive shaft adapter coupled to the mandrel is used to provide an upper load-transferring shoulder for the off-bottom thrust bearing, with a lower load-transferring shoulder being provided in association with the housing. The upper and lower shoulders come into mating contact under off-bottom thrust loading, with the upper shoulder rotatable (with the mandrel) relative to the lower shoulder.

Abstract: Bearing assemblies, apparatuses, and motor assemblies using the same are disclosed. In an embodiment, a bearing assembly may include a plurality of superhard bearing elements distributed circumferentially about an axis. Each of the superhard bearing elements may include a bearing surface. At least one of the plurality of superhard bearing elements may include at least one texture feature that may be formed in a lateral surface thereof. The bearing assembly may also include a support ring that carries the superhard bearing elements.

Abstract: The present invention relates to a pad-type thrust bearing in which each pad rests on a volume of liquid enclosed in a cavity connected to adjacent cavities by ducts. The thrust bearing comprises a number of convex casings each on its own delimiting a cavity and which are connected to one another by ducts. The convex casings and the ducts together form a hollow functional subassembly which is separate from the other constituent components of the thrust bearing and which delimits a liquid-filled closed volume. According to the invention, each casing comprises two half-shells positioned one on each side of a flexible bladder and each duct comprises a flexible hose inserted in a sheath.

Abstract: A washer, including a central axial hole, a first oil retainer, a second oil retainer, and a transition groove. The central axial hole allows a motor shaft to pass therethrough. The first oil retainer and the second oil retainer are formed on the washer. The transition groove is disposed between the first oil retainer and the second oil retainer.

Abstract: A washer, including a central axial hole, a first oil retainer, and at least one oil-storage groove. The central axial hole allows a motor shaft to pass therethrough. The first oil retainer is formed on one side of the washer. The oil-storage groove is disposed on the surface of the first oil retainer.

Abstract: An internal combustion engine includes an engine block defining at least one row of cylinders extending from a first end toward a second end. The internal combustion engine also includes a front housing attached to the first end of the engine block. An idler gear assembly includes an idler gear rotatably mounted on a stub shaft and has a first attachment to the engine block and a second attachment to the front housing. A thrust plate is positioned between the front housing and the idler gear assembly and includes an annular thrust surface, a pair of sealed fastener device openings, and an unsealed lubrication opening.

Abstract: In aspects, the present disclosure provides an apparatus for handling axial thrust in rotating equipment. The apparatus may include a thrust bearing and a runner having a contact surface engaging the thrust bearing. The runner may include passages extending between the contact surface and an opposing surface of the runner. The apparatus may further include a lock ring assembly that has channels in communication with the passages of the runner. In certain embodiments, one or more cavities may be formed on the contact surface of the runner. The cavities may be in communication with the internal passages of the runner. In aspects, the present disclosure provides a method for handling axial thrust in a pump assembly. The pump assembly may include a thrust bearing assembly that may include a runner having a contact surface engaging a thrust bearing pad. The method may include flowing a lubricating fluid to the contact surface using at least one internal passage formed in runner.

Abstract: An axial bearing for a turbocharger contains a through hole for a shaft and at least one at least partially or completely circulating segment section on a first and second side of the axial bearing. At least one bearing surface is disposed in the segment section. At least one oil pocket is on the first side of the axial bearing. The oil pocket is connected to at least one recess opening outwards, the recess being configured such that it connects the oil pocket for oil supply purposes to the respective segment section and the bearing surface(s) thereof on the first and second side of the axial bearing.

Abstract: The invention provides a horizontal shaft type rotary machine capable of simply feeding oil into thrust bearing devices. Leak oil introduction means are provided in the circumferential end parts of thrust bearing devices, for introducing leak oil of lubrication oil from horizontal type slide bearing devices onto slide surfaces of the thrust bearing devices. With this configuration, the thrust baring devices can be lubricated with the use of leak oil of lubrication oil from the horizontal type slide bearing devices, and as a result, it is possible to eliminate the necessity of an oil feed system exclusively used for the thrust bearing devices, thereby it is possible to simplify the pipe line arrangement of the oil feed system and the control of oil feed quantity.

Abstract: A journal bearing has a plurality of pad stops which include a first pad stop located at a most forward position in the rotation direction of the rotation shaft, and the pad stops other than the first pad stop function as oiling nozzles for releasing lubricating oil between the outer circumferential surface of the rotation shaft and the inner circumferential surfaces of the pads.