Abstract: A improved impeller for use in a centrifugal slurry pump is provided, comprising: a top shroud; a bottom shroud; and a middle portion therebetween, said middle portion having at least one substantially vertical wall defining a slurry flow channel, wherein the top shroud, bottom shroud and middle portion are configured as one piece to together define a first unitary body; at least one vane nose positioned at a leading edge of the at least one substantially vertical wall; and, optionally, a retaining ring mounted over the top shroud to secure the vane nose within the body.

Abstract: A fan wheel including a first and second end plate, and blades arranged between the first and the second end plate and joined to the first and the second end plate. In order to obtain an efficient fan wheel the outer surfaces of the blades are inclined in relation to the rotation axis of the fan wheel, the first and second end plate have outer portions which protrude radially outward beyond the outer edges of the blades, the outer portion of the first end plate is generally curved or inclined towards the second end plate and the outer portion of the second end plate is generally curved or inclined away from the first end plate, and the blades are profiled to have a profile where the thickness of the blades vary between the outer edges of the blades and the inner edges of the blades.

Abstract: A centrifugal fan impeller includes a front endring, a rear endring, and a plurality of blades coupled between the front and the rear endrings. At least one blade of the plurality of blades includes a blade span extending between the front endring and the rear endring, a leading edge, and a trailing edge. The at least one blade further includes a first elliptical cross-sectional profile extending between the leading and the trailing edges.

Abstract: In one aspect, a diffuser for expanding the cross-sectional area of an airstream comprises an inlet comprising an inlet cross-sectional area and an outlet comprising an outlet cross-sectional area. The outlet cross-sectional area is greater than the inlet cross-sectional area. A curved sidewall extends from the inlet to the outlet and at least partially defines an inner passageway. The curved sidewall comprises a convex portion and a concave portion. The convex portion is adjacent the inlet and the concave portion is adjacent the outlet.

Abstract: An inlet guide vane assembly (60) is provided including a plurality of vane subassemblies (62) configured to rotate relative to a blade ring housing (64) to control a volume of air flowing there through. The inlet guide vane assembly (60) also includes a plurality of drive mechanisms (80). Each drive mechanism (80) is operably coupled to one of the plurality of vane subassemblies (62). The vane subassemblies (62) may be rotated independently.

Abstract: In some embodiments, a plenum of an apparatus for transferring energy between a rotating element and a fluid may include a through hole disposed through the plenum; a plurality of inlet guide vanes disposed proximate a peripheral edge of the through hole, the plurality of inlet guide vanes comprising a first group of inlet guide vanes having a symmetrical profile, a second group of inlet guide vanes, and a third group of inlet guide vanes, wherein each inlet guide vane of the second group and third group have a cambered profile, and wherein each inlet guide vane of the third group has a different cambered profile from each other inlet guide vane of the third group.

Abstract: Embodiments of an apparatus for transferring energy between a rotating element and a fluid are provided herein. In some embodiments, a plenum of an apparatus for transferring energy between a rotating element and a fluid may include a through hole disposed through the plenum; and a plurality of inlet guide vanes disposed proximate a peripheral edge of the through hole, the plurality of inlet guide vanes comprising a first group of inlet guide vanes having a cambered profile and a second group of inlet guide vanes disposed radially inward of the first group of inlet guide vanes, wherein the first group of inlet guide vanes are in a fixed position with respect to the plenum and the second group of inlet guide vanes are movable with respect to the plenum.

Abstract: A power-operated air blowing work apparatus comprises: a volute casing including a centrifugal fan installed therein and having a front wall formed with an air intake aperture for sucking air from an atmosphere into the volute casing by the centrifugal fan; an engine mounted to the volute casing in a rear side of the volute casing and connected to the centrifugal fan for rotating the centrifugal fan; an engine casing covering the engine from behind the engine in the rear side of the volute casing, and an air suction passage communicating from inside the engine casing toward inside the front wall of the volute casing for drawing air in the engine casing toward inside the front wall of the volute casing.

Abstract: Submersible pump which comprises: a first motor provided with a first outlet shaft; a pumping body in which an impeller is housed that is fixed to the first outlet shaft of the first motor and drivable by the latter in order to pump a process fluid from a suction mouth to a delivery mouth of the pumping body itself; a support casing fixed to the pumping body and provided, at a lower end thereof, with an inlet opening through which a flow of the process fluid is susceptible to enter into the support casing itself; a dispersion head arranged at the lower end of the support casing and drivable in order to remove detrital material, which is conveyed by the flow of the process fluid into the inlet opening of the support casing.

Abstract: The present invention is a pump (100) used for applications where a solid (130) is present in wastewater and other liquids that requires cutting and reduction in size so as to pass the solid (130) through the inlet (105) to the outlet (106) of the pump (100). The pump (100) has a pump casing (104) with an inlet (105) and an outlet (106) formed therein. A drive unit (170) rotates a drive shaft (113) extending axially through the pump casing (104) to an impeller (109) and a cutter bar (102). The pump (100) is further configured with a radial cutter ring assembly (101) positioned adjacent the cutter bar (102) and the inlet (105) providing a shredding cutting action (140) of solids (145) between the rotating cutter bar (102) sliding past a radial cutter ring assembly (101) held stationary, e.g. cutting blades (160) formed in an edge (118) of the cutter bar (102) rotate across an internal surface (121) of the radial cutter ring assembly (101).

Abstract: A drainage system includes a water pump body, a water pump body water inlet pipe, a water outlet pipe, a water storage apparatus and a connection fastener. The connection fastener is connected to the water inlet pipe and the water outlet pipe, the water inlet pipe and the water outlet pipe are being joined embedded to form an annular cavity. The inside of the annular cavity includes a filter, the periphery of the filter having a locating ring, the cross-section width of the locating ring is greater than the spacing between the front end surface of the connection fastener and a stop surface, and the connection fastener includes a clamping apparatus. If a user forgets to mount the filter, the annular cavity between the water inlet pipe and the water outlet pipe makes the connection between the water pump and the water storage apparatus unstable.

Abstract: A subsea actuator comprising a plurality of chambers and at least three pressure levels, including an ambient pressure (medium), a substantially higher than ambient pressure (high), and an at or near surface atmospheric pressure or at a partial or full vacuum (low) to achieve a precise control of the actuator's closing force, speed, and stroke/position. The actuator enables full operations in emergency situations via manual or ROV operations; and can be operated (one way) to extend without supplied fluids in the event of high pressure failure emergency.

Abstract: In addition to a main pump 102 having two delivery ports 102a and 102b and performing the load sensing control, two subsidiary pumps 202 and 302 for the load sensing control for respectively performing assist driving on a boom cylinder 3a and an arm cylinder 3b are provided. When driving the boom cylinder 3a or the arm cylinder 3b, a selector valve 141 or 241 is switched and flows of hydraulic fluid are merged together and supplied to the boom cylinder 3a or the arm cylinder 3b. When driving actuators other than the boom cylinder 3a or the arm cylinder 3b, only the hydraulic fluid from the main pump is supplied to the actuators. In short, the hydraulic drive system is configured so that two specific actuators having great demanded flow rates and tending to have a great load pressure difference between each other when driving at the same time can be driven with hydraulic fluid delivered from separate delivery ports.

Abstract: A pressure control valve for a construction machine is disclosed, which prevents self-weight descent of a working device due to leakage of hydraulic fluid in a neutral position of the working device.

Abstract: A hydraulic actuation system includes a differential unit having a hydraulically-actuated differential, a power steering unit, a hydraulic pump, a reservoir, a controller, an electronically-controlled flow control manifold, and a proportional pressure control solenoid valve. A flow control manifold may control fluid flow to the power steering unit and the differential. The manifold may include a manifold inlet connected to a pump; first manifold outlet connected to a differential; second manifold outlet connected to a reservoir; third manifold outlet connected to a power steering unit; two-way solenoid valve connected to a manifold inlet and controlled by a controller; flow control valve connected to a two-way solenoid valve and a first manifold outlet; and a pressure differential sensing valve connected to a two-way solenoid valve, the manifold inlet, and the third manifold outlet. A proportional pressure control solenoid valve may connect the first manifold outlet and the differential.

Abstract: A pressure generator for a hydraulic vehicle brake system includes a piston-cylinder unit, a piston, a ball screw drive configured to move the piston, an electric hollow-shaft motor that surrounds and is configured to drive the ball screw drive, and a planetary gear set configured to transmit a rotational movement of the hollow-shaft motor to the ball screw drive. The generator also includes a flange part, a sleeve, and an axial needle-roller bearing. The flange part has a tubular collar configured to axially guide the piston in a movable fashion therein. The sleeve has a flange configured as a counterbearing which is attached to an interior of the tubular collar, and is further configured to support the bearing. The bearing is configured to rotatably mount and axially support the ball screw drive.

Abstract: Described is a modular linear actuator for use in an aerospace application, comprising: a piston housing having a closed end and an open end; a piston rod slideable within an interior of the piston housing between an extended position and a compressed position, the piston rod having a first end proximal to the closed end of the piston housing and a second end distal to the closed end of the piston housing; an attachment mechanism for removably attaching a lug end to the closed end of the piston housing, the lug end for attaching the actuator to a first component; an attachment mechanism for removably attaching a rod end to the second end of the piston rod, the rod end for attaching the piston rod to a second component; and, a piston head removably attached to the first end of the piston rod, the piston head for providing a snubbing engagement with the closed end of the piston housing.

Abstract: A piston rod defining a surface and including a structure on the surface configured to be traced by a position sensor during a stroke of the piston rod. The surface, and consequently the structure, are covered by a coating by buildup welding. The structure is produced in the same operation during the buildup welding of the coating. The entire structure may be formed by the buildup welding, or a coded basic profile is incorporated before the buildup welding.

Abstract: A hydraulic system for construction machinery is capable of suppressing irregularity in the operation of the front structure not intended by the operator, and includes a regeneration motor adapted to be driven by return fluid from a bottom port of a boom cylinder; a regeneration electric motor converting rotary power into electric energy; return fluid control valves controlling the flow of the return fluid according to a pilot pressure related to an operation of a boom control lever; and a malfunction prevention device adapted to be activated by pressure fluctuation caused by malfunction of a solenoid valve for the return fluid control valve that interrupts the delivery of a pilot secondary pressure from the solenoid valve to the corresponding return fluid control valve.

Abstract: Assemblies comprising first and second assembly members attached to one another via a connection arrangement and methods for forming such assemblies.

Abstract: COMPENSATION NUT, of the type used to perform fixing together of two parts which may be joined together at a slightly variable distance while maintaining said distance separating them, used for example in motor vehicles in order to fix the supports of dashboards to the vehicle structure, said nut being formed by a combination of a top part, one or more intermediate nuts and a base clip or nut, which are provided with threads which allow mutual mating thereof and mutual retraction or extension thereof by means of a single screwing operation, said threads each being provided with stops which limit relative displacement thereof.

Abstract: In one aspect, an elastically averaged alignment system is provided. The system includes a first component having opposed curved first and second alignment members and a second component having an inner wall defining an alignment aperture. The inner wall includes a first edge and an opposed second edge, and the curved first and second alignment members are an elastically deformable material such that when the opposed curved first and second alignment members are inserted into the alignment aperture, the curved first and second alignment members elastically deform to an elastically averaged final configuration to facilitate aligning the first component within the aperture of the second component in a desired orientation.

Abstract: A system for movably supporting a separation member is provided. The system includes a keeper comprising a body and at least one leg that extends from the body and is configured to be slidably mounted within a track, the keeper is configured to receive and movably support an end of an elongate member configured to support a portion of a separation member, the keeper further comprises a finger that may be selectively disposed in an engagement position such that the finger extends below a lower surface of the body and a sliding position. An operator is operatively connected with the finger, and is manipulable to urge the finger to transition between the engagement and sliding positions.

Abstract: The invention relates to a securing device for securing a furniture fitting to a piece of furniture. The furniture fitting can be selectively secured to the piece of furniture by means of a left furniture fitting face or a right furniture fitting face using the securing device. The securing device comprises: a connecting element, said connecting element having two connecting element regions for securing the furniture fitting to the piece of furniture, and a securing body with a through-opening. The connecting element is arranged at least partly in the through-opening and can be moved relative to the securing body, said connecting element having at least one stop element which can be moved to a limited degree relative the connecting element.

Abstract: An assembly includes a pin, a fastener, a first element, and a paddle. The pin includes a first channel. The fastener extends within the pin and has a head extending from a first end of the pin. The first element is mounted to the fastener and is capable of translation relative to the pin with rotation of the fastener. The paddle is movably connected to the first element and disposed within the first channel. At least a portion of the paddle extends from the first channel to protrude from the pin with translation of the first element.

Abstract: In a method for connecting a press-in bolt with a metal sheet, the metal sheet is positioned upon a cover element of a joining tool. The press-in bolt is forced by the joining tool in a pilot hole of the metal sheet as the metal sheet is supported by the cover element in its capacity as a die, until a head portion of the press-in bolt rests upon one side of the metal sheet and the cover element is pressed upon a shaft portion of the press-in bolt and radially deformed to rest upon another opposite side of the metal sheet.

Abstract: Piece to be crimped on a support, comprising a bearing head (4) and a shaft (5) comprising a crimping section (9) intended to be deformed when crimping the piece, the crimping section (9) comprising a first hollow section (11) adjacent to the bearing head (4) and a second section (12) adjacent the first section (11), the second section (12) being configured to deform outside of the piece into a crimping flange for crimping the piece on the support, and the first section (11) is configured to deform inside the hollow space (13) of the shaft (5) into a clearance flange in order to limit stresses on the support when crimping the piece.

Abstract: A thread-forming screw comprising, at least in part, a shaft (1.1) provided with a screw thread (2) and further comprising a screw tip (1.2) at one end of the shaft (1.1), wherein the shaft (1.1) comprises a thread-forming screw-threaded portion (4) that extends away from the screw tip (1.2) and an adjoining load-bearing screw-threaded portion (3), wherein the load-bearing screw-threaded portion (3) has a round cross-section, characterized in that the load-bearing screw-threaded portion (3) displays, in the direction away from the screw tip (1.2), an increase d in a flank diameter DF and/or an outside diameter DA of the screw thread at a gradient of from 1:50 to 1:500 based on a length LG of the load-bearing screw-threaded portion (3), preferably at a gradient DA or DF to LG of from 1:100 to 1:400, wherein the increase d in the flank diameter DF and/or the outside diameter DA remains constant over the length LG of the load-bearing portion.

Abstract: A fastening device is disclosed. The fastening device has a vertical protrusion for fastening. A horizontal portion and an indicator are used for seating. The horizontal portion extends from the vertical protrusion for providing a clue to indicate that the fastening device is seated correctly. In embodiments, the clue is a color or a texture. In embodiments, a bellow is used with elastomeric properties. When the right load and torque are applied, the bellow covers the horizontal portion such that the color and/or texture of a perspective directed at the horizontal portion appear to be changed.

Abstract: Threaded mechanical fastening systems and methods are provided that allow the simple deflection of a washer to indicate that a desired minimum torque has been reached or that a desired maximum torque has been exceeded. The method includes providing a threaded connection having a washer, installing the threaded connection so that the washer is supported as a simple beam over a gap, and using an amount of deflection of the washer as a result of torque applied by the threaded connection as an indicator. The torque indicating threaded mechanical fastening system includes a threaded connection and a washer supported as a simple beam over a gap so that the threaded connection, when tightened to a predetermined torque, deflects, in bending, the washer into the gap.

Abstract: A retaining feature incorporated into a mounting surface of a plasticized article which is adapted to receive and retain a fastener prior to final assembly. The retaining feature exhibits an irregular and three dimensional shaped closed profile defined along an interior perimeter configured within the mounting surface and which establishes a degree of flex or bend upon insertion of the fastener with minimal loss of material. The insertion force can be any of lesser, equal to or greater than the extraction force, in combination with providing a rated side load breaking/shearing strength of the bolt from the material defined retaining feature.

Abstract: A press-on clip retainer includes a base member and a plurality of tab members extending form the base member. The base member includes a hub portion, blade members, and defines a plane P and an opening, wherein the opening allows for selective passage of an associated fastener through the hub portion. The tab members are circumferentially disposed around the opening to form a channel to receive the fastener in the channel and through the opening along a longitudinal axis L. Each tab member includes on a proximal end thereof, a wedge portion provided inwardly directed relative to the longitudinal axis L. An affixing portion is provided on the distal end of each tab member, the affixing portion being disposed substantially in parallel with the longitudinal axis L, wherein a free end of the affixing portion is directed towards the hub portion and engaging members project inwardly from the affixing portion.

Abstract: A fastener and associated lock washer having an integral anti-rotation mechanism. The head of the fastener includes a plurality of saw teeth—arranged in a radial array. A lock washer is configured to interact with the head of the fastener. The lock washer includes one or more spring tabs positioned to bear against the radial array of saw teeth. As the fastener is rotated in a first direction, the saw teeth depress and pass over the spring tab(s). However, if the user attempts to rotate the fastener in the opposite direction, the spring tab snaps up into the saw teeth and arrests the motion—in the manner of a ratchet and pawl mechanism. The invention preferably includes a second means for selectively defeating the anti-rotation mechanism.

Abstract: A method and apparatus for forming a seal over a hole in a structure. The apparatus comprises a washer, a sleeve, and a fastener. The washer has a first channel. The sleeve has a second channel and an expandable section. The sleeve is positioned inside the first channel in the washer. The fastener has an elongate portion positioned inside the second channel of the sleeve to cause at least a portion of the expandable section of the sleeve to form a first interference fit with the washer.

Abstract: The invention relates to a releasable holding device (1) for attaching objects to a contact surface (8), with a vacuum chamber (7), which is open towards the contact surface (8) and in which, after application to the contact surface (8) by means of a suction device (20) generating a vacuum, a vacuum can be generated, the vacuum drawing the holding device (1) onto the contact surface (8) with the use of an elastic seal (13) which is provided towards the contact surface (8) and, in the event of a vacuum, brings about the adhesive connection to the contact surface (8), wherein the elastic seal (13) consists of at least one encircling seal which is U-shaped in profile and the limbs (15) of which engage over an encircling press-on web (11) of the holding body (2) and the foot surface (14) of which is firmly pressed in order to form the vacuum chamber (7) and the seal between web front edge (11b) and contact surface (8). Suction device and holding device are of two-part design.

Abstract: Provided is a vehicle including a vehicle body. The vehicle includes an operating member to be pressed so that the operating member performs an operation, and a wire having a first end and a second end. The first end is closer than the second end to the operating member. The vehicle includes a wire cover slidably covering the wire and slidable relative to the wire. The vehicle includes an actuating section that supports a first portion of the wire cover and that moves the wire cover in a direction away from the first end of the wire in accordance with the operation. The vehicle includes a non-actuating section supporting the first end so that an operation amount of the first end with respect to the vehicle body is smaller than an operation amount of the actuating section with respect to the vehicle body when the operating member performs the operation.

Abstract: A method for producing by pultrusion a hollow main body of a rotary movement transmission shaft made of a composite material, the method including: impregnating a reinforcement; arranging a reinforcing fabric around a pultrusion chuck to wrap the pultrusion chuck, the fabric including circumferential fibers arranged in planes orthogonal to a longitudinal axis of the chuck; and then depositing the impregnated reinforcement around the reinforcing fabric.

Abstract: A rotatable connection for a mount device for placement in an operating room includes an adjustable stopping mechanism that can be disposed between a first connection component and a second connection component that is mounted rotatably relative to the first connection component about an axis of rotation. The adjustable stopping mechanism may be adapted to establish at least two different relative rotational angles of the connection components relative to one another or at least two different rotation ranges. The adjustable stopping mechanism includes a rotation lock that can be disposed non-rotatingly at the first connection component and a coupling part that can be disposed non-rotatingly at the second connection component and that has a form-locking contour for establishing individual rotational angle positions, and may include a stopping device with an integral stop. The stopping device may be non-rotatingly positionable. A support system or mount device are also provided.

Abstract: The invention relates to a linking device having a bearing and a weapons system comprising such a device. The aim of the device is to adjust the rotational resisting torque of two coaxial cylindrical parts (8, 10) which are rotatable relative to one another about a shared axis (A). According to the invention, said bearing (21) includes two rings (23, 24) made of a resiliently deformable material, capable of respectively engaging with the two cylindrical portions (8, 10), and between which rolling elements (25) are arranged such as to be in contact with raceways of said rings, said device comprising a controllable member (22) for adjusting the tightening of the rings, capable of engaging with one of said parts in order to engage with said bearing.

Abstract: Provided is a slide bearing with which friction-reducing effects can be obtained and the total volume of effluent oil can be limited. A slide bearing in which halved members made by dividing a cylinder in two in a direction parallel to the axial are disposed vertically, wherein narrow grooves are provided at the ends of the slide bearing in the axial direction, the narrow grooves extending in the circumferential direction from the mating surface on the downstream side of the rotation direction to a specified bearing angle is an angle rotated in the range of ?0 degree to ?90 degrees from the mating surface on the downstream side in the rotation direction (bearing angle of 180 degrees) towards the upstream side in the rotation direction. In other words, the bearing angle is the range of 180 degrees to 270 degrees.

Abstract: A synthetic resin-made sliding bearing 1 includes a synthetic resin-made upper casing 2 which is fixed to a mounting member on a vehicle body side through a mounting member; a synthetic resin-made lower casing 3 which is superposed on the upper casing 2 so as to be rotatable about an axis O in a circumferential direction R relative to the upper casing 2; and a synthetic resin-made sliding bearing piece 5 disposed in a space 4 between the upper casing 2 and the lower casing 3.

Abstract: The present disclosure relates to a double-structure bush usable in a joint portion which operates in low-speed and high-load, and a bearing assembly comprising the same.

Abstract: A process for manufacturing a hollow roller of a roller bearing including steps of: machining an outer radial cylindrical surface, with a circular cross section centered on a first axis, and machining an inner radial cylindrical surface with a circular cross section centered on a second axis. These two steps are realized on the same lathe. The hollow roller is provided with the outer radial cylindrical surface, with a diameter of at least 5 mm, and the inner radial cylindrical surface. An offset between the first axis and the second axis, measured in the hollow roller between two axial surfaces of the hollow roller, is less than 2 ?m, and an inclination angle between the first axis and the second axis is less than one minute of angle. The roller bearing comprises amongst others, at least one such hollow roller.

Abstract: A two-part bearing cage for a ball bearing, including a first and a second annular body (1a, 1b) having a plurality of retaining claws (2) on their opposing end faces. The two annular bodies (1a, 1b) have an identical design and can be mounted opposite each other in such a way that cut-out sections (3) receive the retaining claws (2), thereby forming pockets (4) for receiving and guiding rolling bodies (5). The number of pockets (4) corresponds to the number of rolling bodies (5). According to the invention, the individual pockets (4) are arranged at a distance from one another in the circumferential direction in such a way that a free area (6) for receiving lubricant is formed between two pockets (4). At least two pairs of retaining claws (2), at least two individual retaining claws (2), and the base of a pocket combine to form one pocket (4). The invention also relates to a ball bearing comprising a two-part bearing cage of this type.

Abstract: A K-type cage bearing having two coaxial lateral rings; and a plurality of transverse bars set between the rings and spaced along the circumferential direction, two ends of each transverse bar are respectively connected with the two lateral rings, and two of the bars located adjacent to the opening of the cage are respectively defined as first and second transverse bars. Both the first and second transverse bars are configured with at least one connection element, all the connection elements extend into the opening of the cage, and the connection element on the first transverse bar faces the connection element on the second transverse bar in a one to one manner along the circumferential direction of the cage; one is configured with an inserting block, while the other has a groove.

Abstract: A cage part (1, 20, 40) for a rolling bearing cage (30), having a connecting part (3) extending in a longitudinal direction (Z), at the ends of which a first supporting arm (4) and a second supporting arm (5) are arranged, each of which extends beyond the connecting part (3) on both sides in a first transverse direction (X) perpendicular to the longitudinal direction (Z). The supporting arms (4, 5) each include two half arms (7, 8, 9, 10) angled in the opposite direction to one another away from the web (3) and which are offset with respect to one another in a second transverse direction (Y) perpendicular to the first transverse direction (X) and the longitudinal direction (Z).

Abstract: A bearing ring comprising at least one jamming bead of a seal, each bead protruding relative to a radial surface of the ring, in an orthoradial direction relative to a central axis of the ring.

Abstract: A bearing component (an outer ring, an inner ring, and a ball) is made of bearing steel, and has a surface layer portion that is nitrided and includes an outer ring raceway surface and an inner ring raceway surface or a rolling surface. A nitrogen concentration in the surface layer portion is 0.4 mass % or higher. An area ratio of a precipitate in an inner portion that is not nitrided is 11% or higher.

Abstract: A method is disclosed for replacing grease in a main bearing of a wind turbine, the main bearing located in a housing and the housing having least one cover plate. the bearing cover plate is removed from the housing, grease is manually removed from the main bearing, and a flushing cover is installed on the housing in place of the bearing cover plate. The flushing cover has at least two parts, the parts fitting around the main shaft, and each part having a seal so that when its attached to the bearing housing, the flushing cover forms a seal with the main shaft. The flushing cover has holes allowing access to the main bearing, and a solvent or oil is sprayed via one of the holes onto the main bearing to remove grease, the remaining holes being sealed by a removable plug. Solvent or oil is pumped out of the housing via a port at the bottom of the housing or flushing cover.

Abstract: A machine arrangement comprising a crankshaft which is supported by at least one roller bearing including bearing rings and roller elements between the bearing rings, wherein the roller bearing is connected with a device for delivering of a lubricant to the area of rolling contact between the bearing rings and the roller elements. To improve the supply of lubricant to the roller bearing and to supply the right amount of lubricant in dependence of the temperature of the roller bearing, the device for delivering of the lubricant comprises a lubricant reservoir and a flow path from the lubricant reservoir to the area of rolling contact, wherein a valve element is arranged in the flow path for controlling at least one of a flow of lubricant and a pressure of lubricant in dependence of the temperature of at least one of the roller bearing and the valve element.