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JP2019100412A |
To suppress the occurrence of a clearance and a level difference of a raceway surface at a seam of divided bodies constituting an inner ring, in bearing structure comprising the inner ring which is divided into a peripheral direction, an...
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JP2019100306A |
To provide an engine which enables improvement of durability of a bearing metal while reducing rotational resistance of a crank shaft.An engine includes a crank shaft 13 and has: a crank support medium 31 formed with a journal bore 25 wh...
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JP6533049B2 |
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JP2019090524A |
To prevent separation of a washer attached to a half-split bearing.A half-split bearing 11 has a recessed portion 112a, a recessed portion 112b and a recessed portion 112c penetrated from an outer peripheral face to an inner peripheral f...
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JP6530939B2 |
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JP6529549B2 |
Provided is a semi-cylindrical shaped half bearing (31, 32; 41, 42). The half bearing has an inner surface forming a sliding surface and including a plurality of recesses (71). Each recess (71) has a smooth recess surface and a periphera...
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JP6517523B2 |
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JP6518098B2 |
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JP6514968B2 |
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JP6510924B2 |
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JP2019060388A |
To provide a slide bearing which can use a claw part not only for positioning relative to a housing but also capturing foreign objects in an oil groove.A cylindrical main bearing 3 is formed by assembling a vertical pair of upper side be...
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JP2019060500A |
To suppress amount of leaked oil as compared with a prior art.A half-split bearing 1 includes a base material layer 10. The base material layer 10 includes an inner peripheral surface 13 as a surface in a side in which a bearing 2 is sto...
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JP2019060376A |
To provide a slide bearing which can reduce friction.A slide bearing includes a body part 210 formed semi-cylindrically and rotatably supporting a crank shaft 1 on an inner peripheral surface 211, and an air introduction part 230 which i...
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JP2019056387A |
To provide a roller with a resin holder, capable of stabilizing behavior of the roller even when receiving centrifugal force.A resin holder 12 employs an outer ring guide system, and a column part 15 thereof has a first roller guide surf...
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JP2019056386A |
To provide a half-split thrust bearing capable of effectively preventing partial contact with a slide surface of a mating member, such as a crank shaft, in an internal combustion engine.A semi-annular shaped half-split thrust bearing for...
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JP6495759B2 |
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 flange mem...
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JP2019044837A |
To provide a washer capable of improving lubrication performance.A partially annular washer 200 comprises an oil groove formed on a slide surface 210, which receives force in an axial direction of a crank shaft 30. The oil groove compris...
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JP2019044835A |
To provide a bearing mechanism which enables a reduction of an amount of lubrication oil supplied to a shaft member.A bearing mechanism includes: a crank journal 2a having a slide part 2b which is provided so that a shaft diameter dimens...
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JP2019044714A |
To inhibit deformation of a cylinder bore and inhibit an increase of rotation friction of a crank shaft.A bulk head part 32 having a bearing part 39 is provided separately from an engine block 6 having a cylinder block part 10 and a skir...
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JP2019044836A |
To provide a washer capable of improving lubrication performance.A partially annular washer 100 comprises an oil groove formed on a slide surface 110, which receives force in an axial direction of a crank shaft 30. The oil groove compris...
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JP6486693B2 |
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JP6485487B2 |
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JP6486373B2 |
The invention relates to an anti-friction coating (11, 12, 41, 42, 43) and an anti-friction coating composite (10) comprising at least 25 vol. % of a binder (16) and comprising fillers, which include zinc sulfide (18) and barium sulfate ...
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JP2019039438A |
To provide a crank mechanism which reduces the partial wear of a plurality of rolling bodies permitting the relative movement of a first direction supporting member and a second direction supporting member.A crank mechanism 1 is provided...
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JP6482839B2 |
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JP6481739B1 |
To effectively reduce noise generated during operation of an engine in a reciprocating rotation mechanism of an engine in which first and second dynamic vibration absorbers formed integrally with each other are fixed in a cavity of a pis...
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JP6481737B1 |
To effectively reduce noise generated during operation of an engine in a reciprocating rotation mechanism of an engine provided with first and second dynamic vibration absorbers on a piston or a connecting rod. The resonance frequency of...
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JP6481738B1 |
To effectively reduce noise generated during operation of an engine in a reciprocating rotation mechanism of an engine provided with first and second dynamic vibration absorbers on a piston or a connecting rod. The resonance frequency of...
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JP2019031981A |
To provide a slide bearing capable of obtaining a friction reduction effect and capable of reducing a total oil outflow amount.A slide bearing 1 is configured such that halved members 2, 2 are arranged vertically, wherein the halved memb...
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JP2019027476A |
To provide a cage for a rolling bearing and the rolling bearing capable of preventing the breakage, for example, caused by metal contact between bearing members while being excellent in seizure resistance, abrasion resistance, and corros...
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JP2019019840A |
To optimally design a holding member of a crank shaft according to a specification of an engine.An internal combustion engine has a cylinder block which has a plurality of cylinders; and a crank holding portion which is a member journali...
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JP6465129B2 |
A projecting-shape portion 31S projecting toward a first sliding surface 2A in a section along a sliding direction of a second sliding surface 31S is provided on the second sliding surface 31S which slides relative to the first sliding s...
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JP6461970B2 |
An engine bearing shell may include a concave bearing surface, opposed axial end faces with an axial width therebetween, circumferential joint faces, and an oil distribution groove circumferentially extending along the concave bearing su...
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JP2019011815A |
To prevent foreign matter from entering between a rotational shaft and a half-split bearing.A groove 17 is provided between a mating face 15 and a crush relief 13, and formed on a -x direction side with respect to the mating face 15 so a...
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JP6457285B2 |
To provide a cage for a rolling bearing having a slide face excellent in slide performance even under conditions of oil lubrication, high slide speed, and high plane pressure, and the rolling bearing using the cage.A cage for a rolling b...
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JP6455306B2 |
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JP6457368B2 |
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JP2019007606A |
To provide a supporting structure of a crank shaft capable of minimizing degradation of concentricity of bearings even when a temperature of an engine changes.A supporting structure of a crank shaft for supporting the crank shaft having ...
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JP2019007592A |
To provide a slide bearing for a diagonally-split connecting rod which can prevent the damage of a crank pin caused by contact even if a large end part is deformed by receiving an inertia load in a piston direction.In a slide bearing (ro...
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JP2019007607A |
To provide a supporting structure of a crank shaft capable of suppressing occurrence of fretting.A supporting structure of a crank shaft supports the crank shaft having three or more journal portions. In the supporting structure, a beari...
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JP6451761B2 |
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JP2019002520A |
To provide a support structure for a crankshaft capable of preventing, as further as possible, a coaxial degree of each of bearings from being impaired, even in a case where a temperature of an engine is changed.A support structure for a...
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JP2019002438A |
To reduce the capacity of an oil pump which supplies lubrication oil to a crank bearing.An oil supply structure of a crank bearing includes: a slide bearing 9 which supports a journal part of a crank shaft C; an oil pump 8 which sends lu...
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JP6448992B2 |
A gear device (X1) comprises: a crankshaft having an eccentric portion; an oscillating gear configured to rotate in an oscillated manner, accompanied by rotation of the eccentric portion; and a restraint member restraining a motion of a ...
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JP2018204436A |
To provide an assembly camshaft which has a simpler structure, is easy in assembling, and can perform the positioning of a rolling bearing arranged between cam pieces in a shaft axial line direction without trouble.In an assembly camshaf...
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JP6445010B2 |
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, an...
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JP6442254B2 |
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JP6434417B2 |
A component (10) is adapted for contact with a mating component (50) during attachment of the components to one another to form a related assembly in which a deformable pad (26) or pads improve stress distribution. The component includes...
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JP6434401B2 |
A bearing cap in which each foot includes a protrusion formed thereon that is generally linear having opposing sides in which each of these opposing sides support a plurality of crush ribs.
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JP2018173081A |
To provide an enhanced two-cylinder and two-cycle opposed piston internal combustion engine.In an opposed piston engine, a non-viscous layer is formed between a piston and each of cylinder walls. In an aspect, the opposed piston engine u...
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