Abstract: A controllable aperture stop includes a light pass portion, a fixed portion, a driving part and rollable elements. The light pass portion includes movable blades together surrounding a light pass aperture. The fixed portion has shaft structures corresponding to the movable blades. The driving part includes a rotatable element, a magnet and a coil. The rotatable element is for driving the movable blades to rotate relative to the shaft structures to adjust the size of the light pass aperture. The magnet is disposed on the rotatable element. The coil corresponds to the magnet. The magnet and the coil are to drive the rotatable element to rotate around the light pass aperture. The rollable elements are disposed between the fixed portion and the rotatable element and arranged around the light pass aperture, so the rotatable element is rotatable relative to the fixed portion.

Abstract: An apparatus for emptying a flexible line of a packaging container, having a pulling unit, which has a movable pulling element, onto which a fastening section of the liner can be fasted, wherein the fastening section of the liner can be pulled up and let down by means of the pulling element of the pulling unit, to empty the liner, a stripping device, which comprises one or more stripping bodies, which are set up for stripping a section of the liner so as to empty the liner, and a lifting device, which is set up for moving the stripping device in the vertical direction.

Abstract: A bearing assembly is configured to retain a distal end of an impeller of a blood pump, where the impeller includes a drive shaft. The bearing assembly includes a pivot member coupled to a distal end of the drive shaft; a distal bearing cup having a proximally-facing surface configured to engage at least a portion of a distal section of the pivot member; and a sleeve bearing disposed around at least a portion of a proximal section of the pivot member.

Abstract: A measured powder dispenser has a hopper feeding powder down into a measured dispensing mechanism. The measured dispensing mechanism has an inlet and an outlet and a measuring container operable therebetween. The measuring container is rotatably engaged about a rotation axis generally orthogonal to an inlet axis of the inlet such that an exterior surface thereof moves across the inlet when the measuring container rotates. The measuring container has an interior volume adjustable measurement chamber recessed within the exterior surface such that, in use, at a first rotational position, the measurement chamber aligns with the inlet to accept a measured amount of powder therein from the power container and, when rotated to a second rotational position, the exterior surface seals across the inlet and the measurement chamber aligns with the outlet to dispense the measured amount of powder therefrom.

Abstract: A newly built plain bearing has an inner ring and an outer ring each having a sliding surface along which the rings are movable relative to each other. The sliding surfaces are spaced from each other by an intermediate space that holds an initial greasing, and at least one of the sliding surfaces includes an anti-corrosion coating.

Abstract: A fastening structure (105) includes a pair of fastening members (105A) joined to each other, which is coupled with a bolt. The fastening member (105) is made of steel. A surface other than joint surfaces (Sa) has a Rockwell hardness of 50 HRC or more. The joint surfaces (Sa) have a Rockwell hardness of 30 HRC or more and less than 50 HRC. The joint surfaces (Sa) have an arithmetic mean roughness (Ra) of 0.2 ?m or more and 0.5 ?m or less. Production cost is suppressed, and at the same time, bending fatigue strength is secured and secondary damage due to abrasion powder generated by fretting is prevented.

Abstract: A joint bushing that accommodates the dithering and sliding in multi segment wind turbines. The joint bushing includes a self-lubricating liner that is a composite system incorporating woven Polytetrafluoroethylene fibers intermixed with structural reinforcement fibers in a composite matrix. The composite system provides sufficient life without requiring re-lubrication.

Abstract: A bearing system includes a first bearing, the first bearing being annular in shape and defining a ring aperture, the first bearing including a first surface and a second surface, a second bearing being substantially the same in construction to the first bearing, a first surface of the second bearing contacting a second surface of the first bearing, wherein each of the bearings is constructed of nylon MDS.

Abstract: The disclosure concerns a sliding component and a method of manufacturing a sliding component. The sliding component includes a substrate and an electrical component. The substrate has a front surface and a rear surface and comprising an electrically-insulating substrate portion extending through a metallic substrate portion, and an electrical connector extending through the electrically-insulating portion between the front surface and the rear surface. The electrical component is arranged at the front surface of the substrate and electrically connected to the electrical connector.

Abstract: A method of actuating a valve which includes (i) a valve housing with two opposing stem apertures including a first diameter neck wall and a second, larger diameter shoulder wall; (ii) a valve stem positioned within each of the stem apertures, the valve stems including a neck section and a shoulder section engaging the neck wall and the shoulder wall, respectively; (iii) wherein the valve stems have (1) an overall length L which does not extend substantially beyond the stem aperture, and (2) a shoulder engagement length L2 which is at least 20% of L; (iv) wherein a diameter of the neck section is between about 1.5/1000 if an inch and about 7/1000 of an inch less than a diameter of the first diameter neck wall and a diameter of the shoulder section is between about 1.

Abstract: A slide bearing in the present invention is formed in a cylindrical shape and has an inner peripheral surface sliding along an axis, the slide bearing includes: a first groove in which the extension direction is a direction having a component in a circumferential direction on the inner peripheral surface; and at least two second grooves that are branched from the first groove and in which the extension directions are directions each having a component in an axial direction at least within a predetermined range from the first groove. Within a predetermined range from an end opposite to the first groove of the second groove, the width or the depth gradually decreases toward the end.

Abstract: Gearboxes for aircraft gas turbine engines, in particular to arrangements for journal bearings such gearboxes, and to related methods of operating such gearboxes and gas turbine engines. Example embodiments include a gearbox for an aircraft gas turbine engine, the gearbox including: a sun gear; a plurality of planet gears surrounding and engaged with the sun gear; and a ring gear surrounding and engaged with the plurality of planet gears, each of the plurality of planet gears being rotatably mounted around a pin of a planet gear carrier with a journal bearing having an internal sliding surface on the planet gear and an external sliding surface on the pin.

Abstract: The invention relates to a wiper motor (10) with a shaft (30) for driving a wiper arm (1), wherein the shaft (30) projects through an opening (31) of a housing (15) and in the region of the opening (31) is mounted radially in a bore (55) of at least one substantially sleeve-shaped element (40), and wherein the sleeve-shaped element (40) is fixed at least axially in the region of the housing (15). According to the invention, it is provided that the sleeve-shaped element (40) has at least two different cross-sections (41, 42), a first cross-section (41) which is designed to protrude axially through the opening (31) and a second cross-section (42) which is designed to be accommodated in an axially fixed manner within said opening (31).

Abstract: A bearing carrier is provided. The bearing carrier including: a bearing body of a first material having a shaft-receiving aperture and a bridge land with a finger cut to channel fluid pressurized by intermeshing of gears rotatably supported by the bearing carrier into an outlet defined by a housing enveloping the bearing carrier, wherein the bearing body includes a bearing face configured to be in a facing spaced relationship with the gears, wherein the bearing face includes a second material integral with the first material, wherein at least one of the first material and the second material define a portion of the bearing face of the bearing body extending about the shaft-receiving aperture, the portion of the bearing face excluding the bridgeland.

Abstract: The invention relates to a sliding bearing element (1) comprising a supporting layer (2) and a sliding layer (3), the sliding layer (3) being made of silver or silver having a maximum content of other metals of 5% by weight, selected from a group consisting of Cu, Sb, Mo, Co, and the sliding layer (3) has a microstructure with grains (6, 7) and has a sliding layer thickness (12). The microstructure changes on the sliding layer thickness (12) from a globular habitus of the grains (7) in the region of a second surface (9) of the sliding layer (3) closer to the supporting layer (2) to a habitus in an at least approximately columnar form, a longitudinal extension (10) of the grains (7) being arranged in the region of a first surface (8) of the sliding layer (3) farther away from the supporting layer (2).

Abstract: A lubricant composition includes a base oil and melamine cyanurate. The base oil includes a perfluoropolyether oil having a straight chain structure. The lubricant composition is for one of a resin-resin sliding section and a resin-metal sliding section. A melamine cyanurate content is within a range of 1-20% by mass with respect to a sum of the base oil and melamine cyanurate.

Abstract: An actuatable axial piston valve comprising a gear system to transform linear movement from an actuator to linear movement of the valve piston wherein said gear system comprises racks (2,3) and at least one idler pinion (1).

Abstract: A sliding engine component may include a plastic polymer-based composite layer on a substrate. The composite layer may include a matrix of plastic polymer-based material, and functionalised graphene nano platelets distributed throughout the matrix.

Abstract: Bearing 11 has base material 110 and coating layer 111. Base material 110 contains crank shaft 13 on an inner circumferential surface side. The inner circumferential surface of base material 110 is coated with coating layer 111. The inner circumferential surface side of base material 110 is coated with a resin with a thickness t, the resin is dried, and thereafter surface treatment is carried out such that multiple grooves C are provided on the surface of the resin so as to intersect with the direction of crank shaft 13, whereby coating layer 111 is formed. Peak portions B formed between adjacent grooves C come into contact with the outer circumferential surface of crank shaft 13 to support crank shaft 13. With bearing 11, the thickness of peak portions B at the center in the direction of the crank shaft 13 differs from the thickness of peak portions B at the end.

Abstract: A metal plate for a terminal and a terminal in which cracks in a plating film due to bending or the like can be suppressed, and a terminal pair that is wear resistant against micro-sliding. The metal plate includes a base material and, a plating film that covers the entire surface of the base material. The plating film includes an intermediate Ag layer that is layered on the base material, and an Ag—Sn alloy layer that is layered on the intermediate Ag layer and is exposed on the outermost surface. The terminal is made from the metal plate and has a protruding contact projecting from the surrounding region and is configured to come into contact with a corresponding terminal. The plating film is arranged at least on the protruding contact.

Abstract: A bearing supporting a non-homogeneously or homogeneously loaded rotating component of a motor vehicle engine includes a plurality of bearing portions joined together and forming a substantially cylindrical outer surface and a substantially cylindrical center bore, the substantially cylindrical central bore surrounding and supporting the non-homogeneously or homogeneously loaded rotating component. The bearing having a plurality of bearing layers made of different materials unevenly distributed about a circumference and along a longitudinal axis of the bearing, the bearing layers reactively ovalizing in response to loads imparted by the non-homogeneously or homogeneously rotating components, and changing a minimum lubricating fluid thickness on a portion of the substantially cylindrical central bore that ovalizes in response to transient local loads imparted by the non-homogeneously or homogeneously loaded rotating component.

Abstract: A block comprises low friction sheave with inner hole, a U-shaped frame having two holes on the curved section on the top of the frame, a continuous loop and a lock bone, wherein the sheave and U-shaped frame are connected non-rigidly by the continuous loop, which is inserted through the holes on the curved section on the top of the frame and through the inner hole of the sheave, and the continuous loop and the whole structure of the block are kept together and locked by the lock bone.

Abstract: A sliding bearing and a method for its manufacture are disclosed. The sliding bearing may include a metallic substrate, an electrically insulating layer on the metallic substrate, and an electrical component on the electrically insulating layer. The sliding bearing may be operatively connected to a monitoring module configured to monitor the electrical component.

Abstract: A bearing for an internal combustion engine may include a steel support layer. A coating layer containing a Cu alloy may be laid over the steel support layer. A Ni-based anti-diffusion barrier layer may be laid over the coating layer, and an anti-friction layer containing a matrix of Sn—Zn and Zn precipitates may be laid over the anti-diffusion barrier layer.

Abstract: A swivel jig tool for forming a burring hole in a door inner panel includes: a jig base; a jig slide moving forward or rearward along an upper surface of the jig base; and a jig driver disposed behind the jig slide and moving downward by its own weight and applying a force to the jig slide to move the jig slide forward. The jig base comprises: an L-shaped fixed jig base movably supporting the jig slide that is in contact with an upper surface of the L-shaped fixed jig base; a connector protruding upward from the L-shaped fixed jig base at a position opposite to a vertical part of the L-shaped fixed jig base, the connector fixing a hinge shaft thereon; and a rotating jig base mounted to the connector by the hinge shaft to rotate around the hinge shaft that is disposed in a horizontal direction.

Abstract: An undercarriage monitoring device has a roller assembly including a fixed roller component and a bushing. An opening is formed within the fixed roller component. A first sensor is disposed within the opening of the fixed roller component over the bushing. The first sensor is configured to sense a first physical characteristic of the bushing. The fixed roller component is a shaft or a housing. The first sensor is a temperature sensor or a Hall effect sensor. A magnet is disposed on the roller assembly. A second sensor is disposed within the opening of the fixed roller component over the bushing. The second sensor is configured to sense a second physical characteristic of the bushing. A data transmitting device is coupled to the first sensor. Data is collected from the sensor. The data collected from the sensor is transmitted to a receiving device.

Abstract: An engine has a connecting rod with a big end dimensioned such that a lower face height is a function of an upper face height, a face-to-face width, and a strap height and width. First and second bearing shells are received by the big end under a specified clamp load to form a convex axial profile in response to the big end dimensions, and a crankshaft crank pin interfaces with the convex axial profile. A method of assembling a connecting rod includes inserting upper and lower bearing shells into a big end having a lower face height as a function of an upper face height, a face-to-face width, and a strap height and width, where each shell has a free state with a straight axial profile and uniform cross-section, and fastening a cap at a specified load to form a convex axial profile of the upper and lower bearing shells.

Abstract: A resin coating layer in a sliding member has a surface shape indicated by a shape line. This shape line is divided into recessed sections and protruding sections by an average line for uneven areas. The inclination R of a straight line connecting the bottom of these recessed sections and the peak of these protruding sections is classified into Ra: R<0.02, Rb: 0.02?R?0.04, and Rc: 0.04<R. The sliding member comprises a resin coating layer fulfilling Ra+Rb?50%.

Abstract: The invention relates to a method for producing a bi-material sliding bearing (1) whereby a metal sliding layer (3) of at least two different particle types is deposited under reduced pressure from the gas phase on a flat, metal substrate (8), and a first particle type forms a matrix with first grains and the second particle type forms grains embedded in the matrix of the metal sliding layer (3), and the metal sliding layer (3) is produced with a thickness (4) of more than 250 ?m and with a Vickers hardness below 100 HV(0.025), and the metal sliding layer (3) is made of a single layer in only one pass and with a maximum grain size of at most 1 ?m for at least 90% of the first grains forming the matrix and with a maximum grain size for at least 90% of the embedded grains, and a maximum particle size of at most 1.5 ?m for the remaining grains making up 100% of all grains.

Abstract: Bearing 10 includes: a half bearing member having an inner circumferential face that slides against an associated shaft, and a plurality of recesses provided in a first end face in an axial direction of the associated shaft; a first flange member having a plurality of projections provided at positions corresponding to the plurality of recesses provided in the first end face; and a plurality of staking marks formed in a periphery of each recess when each recess is staked in a state where each of the plurality of projections is fitted to a corresponding one of the plurality of recesses in the first end face to fix the first flange member to the half bearing member. When staking marks formed on both sides of at least one of the plurality of recesses are viewed in a radial direction of the associated shaft, a volume of a deformed portion near a staking mark located outside in a circumferential direction is smaller than a volume of a deformed portion close to a staking mark located inside.

Abstract: A bearing comprising a static component, a liner, a wear indicating sensor and a movable conductive component that will wear the liner, a) where the wear indicating sensor is first affixed to the static component, and said sensor is comprised of a first insulating layer in contact with the static component and a second conductive layer, configured such that the metallic layer and the static component are not in electrical contact, and b) where the liner is positioned between sensor and the moving component, where the liner comprises an insulating layer and a conductive layer, configured such that the insulating layer faces the moving metallic component, and the conductive layer faces the sensor, such that the conductive layer is in electrical contact with the conductive layer of the sensor.

Abstract: A base-material hole is formed in a connecting-rod base material. A coating layer is deposited on an inner peripheral surface of the base-material hole. The base-material hole 15 has a cylinder inner-surface portion of a constant inner diameter, formed in a central region in an axial direction, and a tapered inner-surface portion that is continuous with an axially outer side of the cylinder inner-surface portion and is radially enlarged in an axially outward direction. The coating layer has a first coating portion and a second coating portion deposited on the tapered inner-surface portion to adjoin the first coating portion and gradually increasing in material thickness in the axially outward direction.

Abstract: A contact unit for an electromechanical switching device includes a carrier element and a contact element connected to the carrier element. The contact element has a silver-containing layer that provides a contact area for making releasable contact with a further contact area of the switching device depending on a switching state of the switching device. The silver-containing layer includes diamond particles at least in the region of the contact area.

Abstract: Bearing 13 has lining layer 17 that is formed of an alloy having a predetermined shape and that has chamfered portion 25, and overlay layer 19 that is formed of a resin on an inner circumferential surface of lining layer 17, the inner circumferential surface sliding relative to a mating shaft, and that covers at least a portion of chamfered portion 25.

Abstract: An underwater sliding member of the present embodiment is an underwater sliding member used under water, and has: a base material 11 made of a first metal material; an intermediate layer 12 of a porous structure joined to the base material 11 and made of a second metal material; a corrosion inhibiting layer 122 a part of which is melted and filled into a hole of the porous structure of the intermediate layer 12; and a sliding layer 13 formed on the corrosion inhibiting layer 122 and made of a resin material.

Abstract: A high strength, low friction engineered material includes a low friction material filling interstices of a metal microlattice. The metal typically comprises 5 volume % to 25 volume % and the interstices typically comprise 75 volume % to 95 volume %, based on the total volume of the metal microlattice and the interstices. The low friction material preferably fills 100 volume % of the interstices. The metal microlattice can be formed of a single layer, or multiple layers, for example layers of nickel, copper, and tin. The low friction material is typically a polymer, such as polytetrafluoroethylene (PTFE), polyamide (PAI), polyetheretherketone (PEEK), polyethylene (PE), or polyoxymethylene (POM). The low friction material can also include additive particles to modify the material properties. The engineered material can be used in various automotive applications, for example as a bearing, or non-automotive applications.

Abstract: A powder metal composition for high wear and temperature applications is made by atomizing a melted iron based alloy including 3.0 to 7.0 wt. % carbon; 10.0 to 25.0 wt. % chromium; 1.0 to 5.0 wt. % tungsten; 3.5 to 7.0 wt. % vanadium; 1.0 to 5.0 wt. % molybdenum; not greater than 0.5 wt. % oxygen; and at least 40.0 wt. % iron. The high carbon content reduces the solubility of oxygen in the melt and thus lowers the oxygen content to a level below which would cause the carbide-forming elements to oxidize during atomization. The powder metal composition includes metal carbides in an amount of at least 15 vol. %. The microhardness of the powder metal composition increases with increasing amounts of carbon and is typically about 800 to 1,500 Hv50.

Abstract: White bronze is electroplated from a cyanide-free tin/copper bath onto a void inhibiting layer coating a copper underlayer. The void inhibiting metal layer includes one or more void inhibiting metals.

Abstract: A sliding bearing having a metallic outer ring and a self-lubricating liner formed on the inner circumferential surface of the outer ring. The self-lubricating liner has a self-lubricating resin composition consisting of a mixture of 60 to 80% by weight of polyetherketone-based resin, 10 to 30% by weight of polytetrafluoroethylene, 5 to 15% by weight of carbon fiber, and not more than 15% by weight of aramid fiber, a total amount of the carbon fiber and the aramid fiber being 10 to 25% by weight. The inner circumferential surface of the outer ring has a surface roughness in terms of center line average roughness not less than Ra 4.0 ?m and a surface roughness in terms of maximum height not less than Rmax 30.0 ?m; and the outer ring and the self-lubricating liner are unified. A method of producing the bearing is also provided.

Abstract: The invention relates to an anti-friction coating (4) for a multi-layered friction bearing (1) made from a tin-based alloy which, in addition to tin, contains at least one element from the group comprising antimony and copper as the main alloying element, optionally lead and/or bismuth, and unavoidable impurities originating from the elements during the manufacturing process, and the proportion of antimony is at most 20% by weight, the proportion of copper is at most 10% by weight and the total proportion of lead and bismuth is at most 1.

Abstract: There is provided a sliding member including: a substrate; and a protective film provided on the substrate, wherein the protective film is composed only of a metal base layer provided on the substrate, a low-hardness diamond-like carbon layer provided as a single layer on the metal base layer, and a high-hardness diamond-like carbon layer provided as a single layer directly on the low-hardness diamond-like carbon layer. The sliding member has the protective film which has excellent frictional wear resistance property and satisfactory adhesion property to the substrate, regardless of having a simple structure.

Abstract: An offshore structure comprises: an original structure comprising a main platform supported via a foundation on a seabed; and an extension structure comprising a platform extension positioned laterally of the main platform and a platform extension support, depending downwardly from the platform extension, into contact with the foundation, so as to support the extension structure directly on the foundation.

Abstract: A vibration-damping plain bearing composite comprising a sliding layer, a dimensionally stable support layer and an elastic layer. In one embodiment, the dimensionally stable support layer is arranged between the sliding layer and the elastic layer; in another embodiment, the elastic layer is arranged between the sliding layer and the dimensionally stable support layer. The bearing composites are characterized that a ratio of the thickness of the elastic layer tEL to a thickness of the sliding layer tSL is at least 3.

Abstract: A bearing system includes a sleeve bearing supported on a shaft and a gear supported on the sleeve bearing. The shaft has an outer diameter shaft surface, the sleeve bearing has an inner diameter bearing surface and an outer diameter bearing surface, and the gear has a gear bore surface. At least one of the outer diameter shaft surface, the inner diameter bearing surface, the outer diameter bearing surface, and the gear bore surface includes an isotropic surface finish and a hard thin film over the isotropic surface finish. During a break-in period of operation of the bearing system, the hard thin film over the isotropic surface finish breaks in a counter surface of the bearing system to extend a hydrodynamic lubrication period of operation of the bearing system.

Abstract: A crank drive includes a crankshaft journal having a concave-shaped surface, a bearing element in which the crankshaft journal is rotatably mounted, and a bearing shell disposed between the crankshaft journal and the bearing element and having a first convex-shaped surface matched with the concave-shaped surface of the crankshaft journal. The bearing shell has a second surface associated with the bearing element and is constructed such that the bearing shell has a non-constant cross section in the longitudinal direction of the crankshaft journal. The bearing element surface facing the bearing shell is adapted to the second surface of the bearing shell regarding the shape of the bearing element surface, and the second surface of the bearing shell is cylindrical or concave and has a smaller curvature than the concave-shaped surface of the crankshaft journal.

Abstract: A spherical plain bearing for a ball-and-socket joint includes a plain bearing shell. The plain bearing shell comprises a sliding layer containing a sliding material, at least one dimensionally stable support layer, and at least one elastic layer.

Abstract: The invention relates to a blade bearing or nacelle bearing of a wind turbine, comprising two rings mounted adjacent to each other and rotatable relative to each other for connection on one side to the hub of the wind turbine and on the other side to a blade of same, or for connection on one side to the tower of the wind turbine and on the other side to the nacelle of same, wherein the two rings rotatable relative to one another are each provided with a circumferential internal toothing or are non-rotatably coupled for the purpose of joint toothed engagement by one or more toothed planetary gears running around a central sun gear, the planetary gears in turn meshing with the toothed sun gear.

Abstract: A bearing element having a bearing core and having a bearing sleeve, wherein a bearing body is arranged between the bearing core and the bearing sleeve and wherein a protective cap protects the bearing body against environmental influences. To reliably fix the protective cap to the bearing element, that the protective cap is fixed by a closure part, wherein the closure part engages around the bearing element and is formed by two half-shells which are of substantially symmetrical form, wherein the closure part both engages around the bearing element and also surrounds at least one section of a control linkage of a running gear of a motor vehicle and protects said section against high temperatures.

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

Abstract: A camshaft adjuster has a stator, a rotor rotatable relative to the stator with a hub for receiving a camshaft. First supply ducts and second supply ducts penetrate the hub radially, and a separating sleeve inserted with an end section into the hub and forms an outer axial supply space and an inner supply space which is separate from the former, wherein the outer axial supply space is connected in flow terms to the first supply ducts and the inner axial supply space is connected in flow terms to the second supply ducts. On the outer shell, the separating sleeve includes a number of axial grooves at least partially forming the outer axial supply space connected to the first supply ducts. The separating sleeve includes a number of radial apertures which connect the inner supply space to a second supply line.