Abstract: A scroll compressor including an orbiting scroll and a fixed scroll. A compression chamber is formed by combining a fixed-scroll volute of the fixed scroll and an orbiting-scroll volute of the orbiting scroll. Each of sub-discharge ports of the fixed scroll brings any one of a first compression chamber and a second compression chamber of a compression chamber, the first compression chamber being defined by an inward-facing surface of the fixed-scroll volute and an outward-facing surface of the orbiting-scroll volute, the second compression chamber being defined by an outwardfacing surface of the fixed-scroll volute and an inward-facing surface of the orbiting scroll volute, and a discharge side into communication with each other.

Abstract: A screw compressor 2 includes a compressor main body 4, a motor 8, and a gearbox 10. The compressor main body 4 includes screw rotors 5c, 5d, 6c, and 6d, rotor casings 5e and 6e accommodating therein the screw rotors 5c, 5d, 6c, and 6d, and main body casings 5a and 6a accommodating therein the rotor casings 5e and 6e, the main body casings being provided with first flanges 5b and 6b on respective ends thereof. The motor 8 drives the screw rotors 5c, 5d, 6c, and 6d via gears 10f and 10g. The gearbox 10 has an attachment surface Son which the first flange 6b to the main body casings 5a and 6a is attached, accommodates therein the gears 10f and 10g, and has a substantially rectangular shape. In a state where the compressor main body 4 is attached to the gearbox 10, a part of the first flange 6b extends to an outside of the attachment surface S, and projection regions of the rotor casings 5e and 6e onto the attachment surface S exist within the attachment surface S.

Abstract: A scroll compressor includes a casing accommodating a rotary shaft and a driving unit, a first scroll making an orbiting movement by the rotary shaft, a second scroll engaged with the first scroll to form a compression chamber and having a bypass hole bypassing a refrigerant sucked into the compression chamber to an internal space of the casing, and a back-pressure chamber assembly pressing the second scroll toward the first scroll, wherein the back-pressure chamber assembly includes: a back-pressure space, a first valve unit allowing the bypass hole and the internal space of the casing to selectively communicate with each other, and a second valve unit opened and closed to selectively supply the refrigerant of the back-pressure space to the first valve unit to operate the first valve unit, and positioned to be fixed to the casing.

Abstract: Method for controlling the liquid injection of a compressor device, whereby this compressor device includes at least one compressor element, whereby the compressor element includes a housing that includes a compression space in which at least one rotor is rotatably affixed by means of bearings, whereby liquid is injected into the compressor element, wherein the method comprises the step of providing two independent separated liquid supplies to the compressor element, whereby one liquid supply is injected into the compression space and the other liquid supply is injected at the location of the bearings.

Abstract: A scroll compressor includes a bush having a shaft part and a balance weight part. The shaft part is disposed between an orbiting bearing that supports an orbiting scroll, and an eccentric pin of a crankshaft. The balance weight part is secured to the outer periphery of the shaft part by shrink-fitting. The shaft part includes: a cylindrical body part which is fitted into the orbiting bearing, and into which the eccentric pin of the crankshaft is inserted; and a cylindrical coupling part which extends outward from an axial end portion of the body part, and to which the balance weight part is joined. The bush satisfies the following requirements: 1.2?D2/D1?1.6, and??(a) 1.0?(D2?D3)/(D4?D2)×E1/E2?3.5,??(b) where D1 is the outer diameter of the body part, D2 is the outer diameter of the coupling part, D3 is the inner diameter of the body part, D4 is the outer diameter of the balance weight part, E1 is the Young's modulus of the shaft part, and E2 is the Young's modulus of the balance weight part.

Abstract: A compressor may include a first compression member, a second compression member, and a motor assembly. The second compression member is movable relative to the first compression member and cooperates with the first compression member to define a compression pocket therebetween. The motor assembly drives one of the first and second compression members relative to the other one of the first and second compression members. The motor assembly includes a stator and a rotor. The rotor is rotatable relative to the stator about a rotational axis. The stator surrounds the rotational axis. The rotor may include magnets that are arranged around the rotational axis. The magnets may be spaced apart from the stator in an axial direction that is parallel to the first rotational axis.

Abstract: A scroll compressor is provided capable of supplying oil stored m an oil storage chamber upward through a rotary shaft to supply the oil lo a compression device and to lubricate a bearing portion. The scroll compressor may include a casing, a drive motor, a rotary shaft, a main frame, a fixed scroll, and an orbiting scroll. A medium pressure chamber may be formed in or at a middle of the main frame, the fixed scroll, and the orbiting scroll. A pocket groove configured to guide oil discharged through the oil hole to the medium pressure chamber may be formed in an upper surface of the orbiting scroll, and a differential pressure path configured to guide the oil guided to the medium pressure chamber to the compression chamber may be provided in the fixed scroll.

Abstract: A scroll compressor includes a first scroll member, a second scroll member, and an aerostatic thrust bearing. The aerostatic thrust bearing forms a layer of gas between the second scroll member and a fixed supporting member to support the second scroll member as the second scroll member rotates and/or orbits. Also disclosed is a method of supporting a rotating/orbiting scroll member in a scroll compressor. The method including supplying pressurized gas to an aerostatic thrust bearing such that a layer of gas is formed between the rotating/orbiting scroll member and a fixed supporting member.

Abstract: A scroll compressor includes a first scroll member, a second scroll member, and an aerostatic thrust bearing. The aerostatic thrust bearing forms a layer of gas between the second scroll member and a fixed supporting member to support the second scroll member as the second scroll member rotates and/or orbits. Also disclosed is a method of supporting a rotating/orbiting scroll member in a scroll compressor. The method including supplying pressurized gas to an aerostatic thrust bearing such that a layer of gas is formed between the rotating/orbiting scroll member and a fixed supporting member.

Abstract: A scroll compressor includes a first scroll member, a second scroll member, and an aerostatic thrust bearing. The aerostatic thrust bearing forms a layer of gas between the second scroll member and a fixed supporting member to support the second scroll member as the second scroll member rotates and/or orbits. Also disclosed is a method of supporting a rotating/orbiting scroll member in a scroll compressor. The method including supplying pressurized gas to an aerostatic thrust bearing such that a layer of gas is formed between the rotating/orbiting scroll member and a fixed supporting member.

Abstract: A multistage centrifugal pump with a foot part (2) and with a head part (9), between which pump stages are integrated. The head part (9) and the foot part (2) are connected via tie-rods (11) which with one end are fastened on the head part (9) and with the other end are fastened on the foot part (2). The tie-rods (11) at one end comprise a thread (14), with which they are tightened on the head part (9).

Abstract: A permanent magnet submersible motor for electric submersible pump systems and a method of making the rotor of such a motor. The unitary construction of the rotor shaft and the yoke provides improved protection of the damage-prone magnets, while the larger effective shaft diameter also improves shaft bending resistance. Shaped form closures on the yoke promote secure magnet retention, even under highly centrifugal loads, while an exterior cladding tube and a cast resin filler material are used to further secure the magnets around the yoke periphery while also providing hermetic sealing against a working fluid.

Abstract: A fan wheel for an axial fan may include a hub and a plurality of blades extending from the hub. Each blade of the plurality of blades may include a blade root coupled to the hub, a blade tip radially distant from the hub, a blade central region lying radially between the blade root and the blade tip, a blade front side facing a pressure side, a blade back side facing a suction side, a transverse profile lying in a cross-sectional plane extending perpendicularly to a radial direction, and a transverse curvature in the transverse profile configured such that the blade front side is curved concavely toward the pressure side and the blade back side is curved convexly toward the suction side. The transverse curvature of at least one blade of the plurality of blades may decrease from the blade central region to the blade tip.

Abstract: A reflection mechanism is disposed above a rotor blade. A chamfered surface of the rotor blade is formed to gradually open wide by 0 to 10 degrees toward the downstream side in the rotational direction, from an imaginary line passing through a rotational direction-side tip end point of a horizontal surface and drawn parallel to a rotating shaft. In the reflection mechanism, inclined plates, inclined at a predetermined angle, are arranged radially in the radial direction from a central disc portion. A particle reflected on the chamfered surface of the rotor blade collides with each inclined plate of the reflection mechanism and is then re-reflected and falls in the downstream direction. Since the particle can securely be reflected toward the reflection mechanism, the particle can be prevented from exiting through an inlet port to flow back toward a chamber.

Abstract: The present invention relates to a turbo-molecular vacuum pump comprising bearings for supporting the drive shaft and/or the rotor in relation to a pump body, wherein a first bearing is coupled to the rotor and disposed on supporting mount at the high vacuum side of the rotor and radial struts extend from the supporting mount and form an integral part of the body; the invention is characterised in that the radial struts comprise a hinge portion that can flex to allow relative movement of the inlet flange with respect to the supporting mount to reduce distortion effects.

Abstract: A compressor comprising: a stator assembly comprising a plurality of stator elements; a rotor assembly comprising a shaft to which is mounted at least one bearing, a permanent magnet and an impeller; a support body; and an outer can comprising an air inlet. The support body comprises a hollow elongate central part to which is mounted the at least one bearing, and inside which the magnet is positioned, the elongate central part comprising a plurality of openings, and the air inlet of the outer can is axially aligned at least partially with the plurality of openings in the elongate central part.

Abstract: A gas turbine engine has a fan drive turbine driving a gear reduction, the gear reduction, in turn, driving a fan rotor, the fan rotor delivering air into a bypass duct as bypass air and into a compressor section as core flow. A forward bearing is positioned between the gear reduction and the fan rotor and supports the gear reduction. A second bearing is positioned aft of the gear reduction and supports the gear reduction. The second bearing is a thrust bearing. A fan drive turbine drive shaft drives the gear reduction. The fan drive turbine drive shaft has a weakened link which is aft of the second bearing such that the fan drive turbine drive shaft will tend to fail at the weakened link, and at a location aft of the second bearing.

Abstract: A system for controlling a motor driven compressor (MDC) is provided. The system includes a sensing element and a controller coupled to the sensing element. The controller is configured to determine whether an actual speed of the MDC sensed by the sensing element is below a predicted minimum speed, shut down and then restart the MDC and detect if the restart of the MDC is successful.

Abstract: A compressor rotor including a structure for bleeding air flowing through a compressed air flowpath of an axial compressor to an inner passage provided on an inner peripheral side of the axial compressor, includes rotor blades and a rotor disc. The rotor disc includes a blade groove provided in an outer peripheral surface thereof and being continuous in a circumferential direction and a passage which communicates an inner region of the blade groove with the inner passage. The rotor blade has a root part and a platform which are fitted to the blade groove, and a blade part provided on a side opposite to the root part with the platform interposed between the root part and the blade part. An opening is provided in the platform or a region that is in the vicinity of the platform and configured to communicate the inner region of the blade groove with the compressed air flowpath.

Abstract: A method of operating a rotary machine. The method includes rotating a rotor; receiving current at at least one electromagnetic bearing supporting the rotor; detecting an operating characteristic of the rotary machine; determining, using a controller, an operating state of the rotary machine based on the detected operating characteristic; retrieving operating modes stored in a memory of the controller, the operating modes including a normal operating mode and a fault tolerant operating mode; switching between the normal operating mode and the fault tolerant operating mode, using the controller, based on the determined operating state of the rotary machine; regulating, using the controller, at least one of a magnetic force and a position of the at least one electromagnetic bearing; and regulating, using the controller, at least one of a position and an opening of at least one fluid flow control device.

Abstract: An electric machine comprising: a stator assembly; a rotor assembly; and a support body. The rotor assembly comprises a shaft to which is mounted a first bearing and a second bearing either side of a permanent magnet, and the support body comprises first and second bearing seats to which the bearings of the rotor assembly are mounted, wherein the first bearing is mounted to the first bearing seat by adhesive, and the second bearing is soft-mounted to the second bearing seat by an o-ring.

Abstract: A radial blade impeller for an industrial fan assembly may include a cylindrical impeller hub having a hub outer surface and a hub shaft bore, a plurality of impeller blade assemblies circumferentially spaced about the hub outer surface and extending outward from the hub outer surface. A first sprocket disposed on a first end of the impeller hub engages a lateral edge of each of the impeller blade assemblies and has a plurality of first sprocket teeth extending outward from a first sprocket outer edge. Each of the first sprocket teeth corresponds to one of the impeller blade assemblies and engages and is secured to the first lateral edge of the corresponding one of the impeller blade assemblies. A second sprocket disposed on a second end of the impeller hub has a similar configuration with second sprocket teeth aligning with and engaging opposite lateral edges of the impeller blade assemblies.

Abstract: A forward curved blade impeller for an industrial fan assembly includes an impeller hub assembly, an impeller baseplate mounted on the impeller hub assembly and having an annular shape, a first impeller ring having an annular shape, and an impeller blade deck having a plurality of first impeller blades extending between, circumferentially spaced about and secured to the impeller baseplate and the first impeller ring. A plurality of reinforcement bars extend between, are circumferentially spaced about and are secured to the impeller baseplate and the first impeller ring. Additional impeller blade decks and impeller rings may be stacked above the first impeller blade deck and first impeller ring, with the reinforcement bars extending from the impeller baseplate through intermediate impeller rings to a topmost one of the impeller rings.

Abstract: An axial blade impeller for an industrial fan assembly includes an impeller hub assembly with a plurality of impeller blades each extending from a hub assembly outer surface to an outward blade edge opposite the hub assembly outer surface and having a first lateral blade edge and a second lateral blade edge opposite the first lateral blade edge. A first cover plate disposed on a first end of the impeller hub assembly has first cover plate arms extending outward, with each of the first cover plate arms secured to the first lateral blade edge of one of the impeller blades. A second cover plate disposed on a second end of the impeller hub assembly has second cover plate arms extending outward, with each of the second cover plate arms being secured to the second lateral blade edge of one of the impeller blades.

Abstract: The present disclosure relates to composite airfoils bonded to a metallic root. A composite body (510) may be formed with a metallic co-molded detail (520). The co-molded detail (520) may be transient liquid phase (TLP) bonded to an attachment feature (530). The attachment feature (530) may allow the composite body (510) to be attached to a rotor (200). The airfoil (500) may also have a metallic edge (550) which is TLP bonded to the composite body (510) via a co-molded edge (540).

Abstract: A pump device includes a drive unit, a pump unit and a transport unit. The drive unit includes a base frame, and a variable-speed drive device disposed on the base frame. The pump unit includes a rotating shaft driven by the drive device, a fan blade co-rotatably mounted to the rotating shaft, a drain housing receiving the fan blade, and a suction housing in fluid communication with the drain housing. The transport unit includes a plurality of transport tubes in fluid communication with the drain housing.

Abstract: A gas turbine engine includes a turbomachine and a fan rotatable by the turbomachine. The fan includes a plurality of fan blades. The gas turbine engine also includes an outer nacelle surrounding the plurality of fan blades and including an inner wall, the inner wall of the outer nacelle including a plurality of pre-swirl contours positioned forward of the fan blades of the fan along an axial direction and extending inwardly along a radial direction.

Abstract: A gas turbine engine includes a turbomachine and a fan rotatable by the turbomachine. The fan includes a plurality of fan blades. The gas turbine engine also includes an outer nacelle surrounding the plurality of fan blades and defining an nacelle inlet, the outer nacelle including an inner wall defining a plurality of openings located aft of the nacelle inlet and forward of the plurality of fan blades of the fan along an axial direction for providing a swirl airflow upstream of the plurality of fan blades of the fan at a swirl angle greater than zero relative to a radial direction.

Abstract: A gas turbine engine includes a turbomachine and a fan rotatable by the turbomachine. The fan includes a plurality of fan blades. The gas turbine engine also includes an outer nacelle surrounding the plurality of fan blades and a plurality of part-span inlet guide vanes cantilevered from the outer nacelle at a location forward of the plurality of fan blades along the axial direction. Each of the plurality of inlet guide vanes defines an inner end along the radial direction and it is unconnected with an adjacent part-span inlet guide vane at the inner end.

Abstract: A gas turbine engine includes a turbomachine and a fan rotatable by the turbomachine. The fan includes a plurality of fan blades, each of the plurality of fan blades defining a fan blade span along a radial direction. The gas turbine engine further includes an outer nacelle surrounding the plurality of fan blades and a plurality of part-span inlet guide varies attached to the outer nacelle at a location forward of the plurality of fan blades along an axial direction. Each of the plurality of inlet guide vanes defines an IGV span along the radial direction, the IGV span being at least about five percent of the fan blade span and up to about fifty-five percent of the fan blade span.

Abstract: A brushless motor comprising a rotor assembly comprising a shaft, an impeller, a bearing assembly and a rotor core; a stator assembly; a frame comprising an outer portion and a support portion radially inward of the outer portion, the support portion supporting at least one of the rotor assembly and the stator assembly; and at least one strut extending between the outer portion and the support portion, wherein the strut and the stator assembly are aligned such that at least part of the strut and at least part of the stator assembly are disposed along a line substantially parallel to a rotation axis of the rotor assembly.

Abstract: A device and method for a cover having a tubal sleeve, a tab, and a securing mechanism. The tubal end includes an open end to permit sliding over a fan blade. The cover includes a tab configured to couple to a surface of the tubal sleeve. The tab extends partially away from the surface. The securing mechanism is configured to at least partially close the open end so as to restrict movement of the tubal sleeve. The tubal sleeve filters the air of particulates. The tab permits remote or distal operation away from the fan. A user can manipulate the cover position by using the tabs to engage a hand of the user or a tool.

Abstract: A hydraulic control unit that delivers hydraulic fluid to a limited slip differential includes a hydraulic control unit housing, a vent hole and first and second passageways. The hydraulic control unit housing has an accumulator housing portion that houses a biasing assembly and a piston. The accumulator housing portion forms an accumulator chamber with the piston. The vent hole is defined in the hydraulic control unit housing. The first passageway is defined in the hydraulic control unit housing. The second passageway is defined in the hydraulic control unit housing that intersects the vent hole and is oriented at a different angle than the first passageway. The vent hole is dual purpose permitting hydraulic fluid entry into the accumulator chamber through the second passageway while air is permitted to escape the hydraulic control unit housing through the vent hole.

Abstract: A fluid power control system for load handling mobile equipment includes a pair of hydraulic actuators for moving respective cooperating load-engaging members selectively toward or away from each other, or in a common direction, at respective asynchronous speeds to selectively attain either synchronous or asynchronous respective positions of the actuators. The actuators have sensors enabling a controller to monitor their respective movements and correct unintended differences in the actuators' respective movements, such as unintended differences in relative intended positions, speeds, or rates of change of speeds. Respective hydraulic valves responsive to the controller separately and nonsimultaneously decrease respective flows through the respective actuators to more accurately and rapidly correct differences from the intended relative movements of the actuators.

Abstract: Systems and methods for providing a soft robot is provided. In one system, a robotic device includes a flexible body having a fluid chamber, where a portion of the flexible body includes an elastically extensible material and a portion of the flexible body is strain limiting relative to the elastically extensible material. The robotic device can further include a pressurizing inlet in fluid communication with the fluid chamber, and a pressurizing device in fluid communication with the pressurizing inlet, the pressurizing device including a reaction chamber configured to accommodate a gas-producing chemical reaction for providing pressurized gas to the pressurizing inlet.

Abstract: A nozzle assembly (N) comprises a nozzle received in a nozzle receiving bore of a nozzle housing. The nozzle receiving bore has a longitudinal axis (X-X). The nozzle housing further comprises a locking pin receiving bore having a longitudinal axis (Y-Y) that is perpendicular to the nozzle housing axis (X-X). The locking pin receiving bore intersects the nozzle receiving bore, whereby an aperture is formed between the locking pin receiving bore and the nozzle receiving bore. A locking pin is received in the locking pin receiving bore, a portion of the locking pin protruding through the aperture and into the nozzle receiving bore so as to engage a circumferential portion of the nozzle.

Abstract: A hydraulic rod in reciprocating movement within a barrel of a hydraulic cylinder along a longitudinal direction of the barrel, and a method of manufacturing thereof, a surface finish of the rod comprising valleys, wherein the rod further comprises microporosities on its surface, the microporosities having a depth at least equal to a depth of the valleys.

Abstract: A baffle assembly and burner including the baffle assembly. The baffle assembly includes a collar having a central axis and an inner circumferential surface. A plurality of vanes are secured to the inner circumferential surface of the collar. Each vane includes a leg extending from the collar at a first angle with respect to the central axis. The first angle of the leg is configured to impart rotation to a flow of fluid through the baffle assembly. An impingement plate extends from the leg at a second angle with respect to the central axis. The second angle is greater than the first angle.

Abstract: This disclosure relates to a clip system and clips for affixing insulation. Clips are taught which include a base, a spacer extending therefrom, and a head attached to the spacer opposite the base. The head of a T-clip has a laterally extending portion in a parallel relationship with the base. The head of an A-clip has a generally arrow head shaped cross section. At least one T-clip and at least one A-clip comprise the clip system. The clips are preferably used to affix insulation to the exterior of a wall using two-sided tape attached to the base rear of each clip.

Abstract: Apparatus for coupling first and second tubular members includes a first ring coupled to the first tubular member and having a castellated annular first surface with teeth extending in a first direction, and having a projecting tab extending in a second direction opposite the first. The tab is received in a recess in the first tubular member and has a beveled surface. A key is configured to be disposed in the first recess, and has a beveled surface that engages the beveled surface of the tab. A through-bore in the key is aligned with a fastener-receiving bore in the first tubular member and a fastener is disposed in the aligned bores. A second castellated annular surface coupled to the second tubular member has teeth meshing with the teeth of the first castellated annual surface.

Abstract: The invention relates to a closure device (V) comprising at least one first and second closure part (1, 2).

Abstract: A bonded assembly that includes a substrate (102), a connector (101, 201) including a bonding surface arranged with a gap to the substrate (102), a support zone surrounding the bonding surface, at least one gasket (202) compressed between the substrate and the support zone, the gasket (202), the connector (101, 201) and the substrate (102) delimiting a sealed volume (209), a recessed overflow groove (208) formed between the bonding surface and the support zone and forming part of the sealed volume (209) and a hardened adhesive (107) at least partially occupying the sealed volume, the adhesive holding the connector on the substrate via the bonding surface.

Abstract: One aspect is an apparatus including an additively manufactured first component and a captive nut contained within the first component for interconnecting the first component to a second component. Another aspect is an apparatus including a first additively manufactured component having a hole and a second additively manufactured component having a socket. The apparatus further includes a pin having a head engaging a surface of the first component and a shaft extending from the head through the hole in the first component and into the socket of the second component. Another aspect is an apparatus including first and second panels. The apparatus also includes a bolt having a head and a shaft extending from the head and a nut located at a distal end of the shaft. The first and seconds panels may be sandwiched between the bolt and nut to interconnect the first and second panels.

Abstract: A self-locking plug assembly is provided that includes a plug, a lower clutch disposed around the plug and defining engagement features, an upper clutch disposed around the plug and defining mating engagement features, a resilient member and a cap surrounding the resilient member and disposed around a proximal end portion of the plug. The mating engagement features are configured to apply higher torque to the engagement features in one direction than in an opposite direction. In one form, the engagement features of the lower clutch and upper clutch comprise a plurality of teeth arranged around a central aperture.

Abstract: A fixing structure is provided with an outer casing 2 in which at least an end part 2A is hollow, and an outer cap 3 attached to the end part 2A, this structure has a plurality of fixing portions 5 that extend from the outer side of the outer cap 3 to the outer casing 2, wherein the fixing portions 5, which extend in the direction intersecting the thickness direction of the outer casing 2, are provided to both one side and another side in the width direction of the outer casing 2, and it is therefore possible to easily manufacture a fixing structure for fixing a terminal member to an end part of a cylindrical member.

Abstract: The present invention relates to a bearing shaft provided with an outer peripheral surface that includes a raceway surface (side surface) on which a rolling element rolls. The bearing shaft is made of steel containing carbon of 0.7% or more. The raceway surface is formed with a nitrogen-enriched layer. The absolute value of compressive residual stress in the surface of the nitrogen-enriched layer (i.e., the surface of a hardened layer which is formed on the side surface of the bearing shaft by shot peening) is 600 MPa or more and 1700 MPa or less. Thereby, it is possible for the present invention to prolong the operation life of a bearing.

Abstract: A dual-shaft hinge includes a hinge body, a pivot shaft set including a first pivot shaft and a second pivot shaft and pivotally mounted in the hinge body in parallel, and a rotation constraint unit mounted in the hinge body and so configured for allowing the first pivot shaft and the second pivot shaft to be rotated in turn.

Abstract: A foil bearing for supporting a shaft includes a sleeve-type baring housing, at least one elastic corrugated foil arranged on the inner circumference of the bearing housing, and a respective top foil covering each corrugated foil and forming a bearing surface. The bearing housing includes insertion grooves defined therein that extend from the inner surface of the bearing housing and outwardly. The fop foil and the corrugated foil each have ends that are inserted into and received by the insertion grooves.

Abstract: A trunnion bearing includes an inner ring having exterior and interior surfaces; and an outer ring having interior and exterior surfaces. A portion of the inner ring is disposed in the outer ring. A lubricious liner is disposed between the inner ring and the outer ring. The trunnion bearing includes a bushing disposed in the inner ring. The bushing has a lubricant reservoir formed therein to dispense a lubricant therefrom.

Abstract: An abnormal wearing detection device for seal members for detecting abnormal wearing of a seal member that slides in relation to a circumferential surface of a rotating member to seal the circumferential surface of the rotating member, includes: at least two measuring units among a load ratio measuring unit that measures a load ratio during rotation of the rotating member, a temperature measuring unit that measures the temperature of the seal member, and a gas concentration measuring unit that measures a concentration of a gas emitted from the seal member; and a determining unit that determines that abnormal wearing has occurred when it is detected that at least two measurement values measured by the at least two measuring units fail below a first reference value.