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JP2022114875A |
To improve lubrication performance in a crankshaft bearing part to reduce friction resistance even in a case where a crankshaft is bent and deformed.A crankshaft support structure of an engine that rotatably supports a crankshaft of an e...
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JP7112905B2 |
To improve the sound vibration performance of an internal combustion engine.A lower link 6 of a double-link type piston crank mechanism is formed into a shape made by adding, to a fundamental shape having a substantial parallelogram, an ...
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JP7112906B2 |
To improve the sound vibration performance of an internal combustion engine.A control link 7 of a double-link type piston crank mechanism has a bilateral asymmetric shape which is formed by adding a weight part 15 to a fundamental shape ...
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JP7111470B2 |
To provide a half-split thrust bearing having excellent seizure resistance performance, and further a thrust bearing.A semi-annular half-split thrust bearing has a slide surface for receiving axial force and a back surface on the opposit...
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JP7100004B2 |
A semi-cylindrical half bearing for a sliding bearing includes at least one axial groove formed on its inner circumferential surface that includes a smooth groove surface formed back away from the inner circumferential surface toward a r...
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JP2022091644A |
To improve the anticorrosiveness of a slide member.The deep layer of a soft metal layer 5 is constituted by crystal particles of a small grain size, and large-size crystal particles (coarse crystals) 10 are disposed only in its surface l...
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JP2022091645A |
To improve the compatibility of a soft metal layer of a slide member while maintaining the fatigue resistance of it.The inventive slide member has a soft metal layer with laminated soft metal crystals. When the soft metal layer is divide...
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JP2022091650A |
To improve fatigue resistance and corrosion resistance in a plating layer constituting a sliding surface of a sliding member.A sliding member has a plating layer constituting a sliding surface. The plating layer comprises a first structu...
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JP2022091643A |
To provide a novel slide member excellent in a frictional property.In a slide member having a soft metallic layer in which crystals of soft metal are laminated, a coarse crystal is exposed on a surface of the soft metallic layer, the coa...
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JP2022087871A |
To provide a high-resistance surface pressure bilayer bearing material having a porous sintered metal layer suppressed in a compression deformation in a pressure-receiving direction and a bearing for an internal combustion engine.In a hi...
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JP7082475B2 |
A half bearing has a concave portion, a concave portion, and a concave portion penetrating from the outer circumferential surface to the inner circumferential surface, and the washer has a convex portion, a convex portion, and a convex p...
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JP2022083709A |
To provide an eccentric oscillation type speed reducer in which a roller of an eccentric body bearing is hard to come off.An eccentric oscillation type speed reducer 100 is equipped with a crank shaft 12 having eccentric portions 12a and...
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JP7079099B2 |
To provide a half-split thrust bearing having excellent seizure resistance performance, and further a thrust bearing.A semi-annular half-split thrust bearing has a slide surface for receiving axial force and a back surface on the opposit...
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JP2022081128A |
To provide a sliding member that improves seizing resistance by further improving lubricant retention capacity.In a sliding member 10 of the present embodiment, an overlay layer 13 formed from resin is provided on the side of a sliding s...
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JP7072914B2 |
A low-noise main bearing cap for an internal combustion engine is designed that includes a main bearing cap body, wherein the main bearing cap body is connected to an engine body main bearing seat. The main bearing cap body is provided w...
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JP2022076932A |
To provide a slide mechanism that can exert sufficient low friction in the presence of ester-based lubricant having biodegradability.A slide mechanism (1) includes a slide member (10), a mating material (20) and lubricant (30). The slide...
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JP7071094B2 |
To provide a half-split thrust bearing having excellent seizure resistance performance, and further provide a thrust bearing.A semi-circular ring-shaped half-split thrust bearing has a slide surface for receiving axial force, a back surf...
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JP7065653B2 |
To prevent the positional deviation in the rotation direction of a slide bearing provided between the small end part of the linkage rod and the piston pin.A piston device 1 comprises: a piston 2 having a pair of boss parts 7 and 7 provid...
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JP7064562B2 |
A hermetic refrigerant compressor (100) includes a sealed container (101) in which lubricating oil (103) having a kinematic viscosity in a range of 1 to 9 mm2/S at 40°C is stored, the lubricating oil (103) containing a sliding modifier ...
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JP7057830B2 |
A sliding member of the present invention includes a base material and a coating layer that is formed on the base material. The coating layer includes a particle aggregate, and the particle aggregate contains two or more kinds of precipi...
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JP2022054960A |
To provide a half bearing for a crank shaft of an internal combustion engine excellent in embedding performance of foreign matters mixed therein together with an oil.A depth of circumferential grooves 6 is constituted to be minimum at ci...
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JP2022054961A |
To provide a half bearing for a crank shaft of an internal combustion engine excellent in embedding performance of foreign matters mixed therein together with an oil.Soft bearing material layers 81 are formed on end portion regions AE of...
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JP2022054962A |
To provide a half bearing for a crank shaft of an internal combustion engine excellent in embedding performance of foreign matters mixed therein together with an oil.Soft bearing material layers 81 are formed on end portion regions AE of...
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JP7044527B2 |
To lubricate between a pin boss part 23 for an upper pin and the upper pin 4 by using oil mist scattered in a crank case.A multi-link type piston crank mechanism of an internal combustion engine is composed of an upper link 3, a lower li...
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JP7032176B2 |
To provide a fracture state quality judgment device and a fracture state quality judgment method which enable a simple and accurate quality judgment of the fracture face when the large end part of a connection rod is fractured on the sha...
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JP7030199B2 |
A sliding member of the present invention includes a base material and a coating layer that is formed on the base material. The coating layer includes a particle aggregate that contains precipitation hardened copper alloy particles. The ...
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JP7023617B2 |
To provide a crank washer for suppressing seizure without the need for an oil groove and surface machining.A crank washer 30 for supporting the axial force of a crankshaft consists of an upper washer 31 and a lower washer 32. The upper w...
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JP2022027495A |
To provide an economical method for manufacturing an inexpensive sliding element having a lubricant pocket.The present invention relates to a method for manufacturing a sliding element, which includes: a) a step of providing a band-shape...
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JP7003899B2 |
A crank cap assembly including a single crank cap rotatably supporting a crankshaft includes: a fastening member fastened to the crank cap, a mass member; and an elastic rubber member elastically attaching the mass member to the crank ca...
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JP7014561B2 |
A rolling bearing includes an outer ring supported by a fixed body, an inner ring which supports a rotating shaft, and rolling elements between an inner groove of the outer ring and an outer groove of the inner ring, wherein a curvature ...
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JP7013203B2 |
A main bearing (4) for a journal portion (6) of a crankshaft includes a pair of upper and lower half bearings (41, 42) forming a cylindrical shape. Each half bearing includes a main cylindrical portion (72) including a circumferentially ...
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JP2022011137A |
To provide a support structure of a crankshaft capable of inhibiting influence of noise or vibration from being enlarged when the crankshaft collides with a bearing.A support structure of a crankshaft includes a connecting rod, a cranksh...
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JP2021191969A |
To provide a lever rotating device reducing a rotational load.A rotating device has a metal 2A arranged at a shaft part of a crank shaft 2 and a bearing 3 arranged at a crank part, wherein a lever gear 1 having a cover 1A fixed is mounte...
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JP6971700B2 |
To provide a slide bearing capable of increasing an amount of oil on an inner peripheral face and reducing a frictional coefficient without expanding a width of the slide bearing.A slide bearing 1 includes a pair of half-split bearing po...
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JP6961460B2 |
A connecting rod bearing (3) for a crankpin (5) of a crankshaft of an internal combustion engine includes a pair of half bearings (31, 32) forming a cylindrical shape. Each half bearing has a main cylindrical portion (72) including a cir...
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JP6958340B2 |
A connecting rod manufacturing method includes: forming, in an inner circumferential surface of a through-hole (14) formed at an end of the connecting rod, a plurality of first holes (51) as fracture start portions (50, 60) such that the...
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JP6942471B2 |
To provide a half-split thrust bearing for receiving axial line direction force of a crank shaft of an internal combustion engine that is difficult to generate damage (fatigue) during operation of the internal combustion engine.The prese...
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JP2021148135A |
To provide a slide bearing capable of improving abrasion resistance in a mixed lubrication state, and a manufacturing method thereof.In a slide bearing 10 having a three-layer structure in which a side that receives a rotational shaft is...
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JP2021148173A |
To provide a slide bearing capable of easily securing an oil film on an inner peripheral surface.A cylindrical main bearing 30 is formed by combining an upper bearing 40 and a lower bearing 50, is assembled to a housing 20, and rotatably...
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JP2021148263A |
To effectively suppress a decrease in hydraulic pressure while inhibiting foreign matter from flowing into a sliding surface of a bearing body.A bearing body 1 includes at least two or more bearing constructional elements 2 and 3 each ha...
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JP2021143753A |
To provide a cage for a rolling bearing which improves the exfoliation resistance of a hard film, can exert a characteristic inherent in the film, and is suppressed in an attack property to a mating material, and the rolling bearing havi...
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JP6923465B2 |
A main bearing for a journal portion of a crankshaft includes a pair of upper and lower half bearings combined with each other to form a cylindrical shape. Only the upper half bearing includes an oil groove formed on its inner peripheral...
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JP6916082B2 |
To provide a piston supporting structure which suppresses the seizure of a piston pin and a connecting rod.A piston supporting structure includes: a piston 13 which has a pair of pin supporting holes opposite to each other; a connecting ...
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JP6911996B2 |
A bearing member (B1) having a coating layer (1) on an internal circumferential surface of a shaft hole (H) configured to mount a shaft body (PI), the coating layer (1) having a metal layer (2) whose surface is formed unevenly, and a res...
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JP6915549B2 |
To provide a slide member which allows for reduction of a friction coefficient on the surface thereof while the seizure thereof is prevented, and a method of manufacturing the slide member.The slide member is provided that comprises: a b...
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JP6911947B2 |
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 ...
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JP6910050B2 |
To provide a supporting structure of a crankshaft that can easily support an end part of the crankshaft.A flywheel 8 is attached to an end part 11a of a crankshaft 10 rotatably supported by a crankcase 2 of an engine 1 and protruding fro...
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JP6904660B2 |
A sliding bearing comprising a metallic substrate; a first electrically insulating layer on the metallic substrate; and an electrical component on the first electrically insulating layer.
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JP6901957B2 |
To secure visibility of an identification character or an identification symbol without concentrating a stress.On an outer peripheral surface at an opposite side of a side (inner peripheral surface side) where a bearing surface 54a of a ...
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JP6904232B2 |
A ladder frame for an internal combustion engine includes a first lateral wall and a second lateral wall, crank caps, and first joining portions and second joining portions. Each crank cap includes an arc-shaped center portion, a first l...
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