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JP7431583B2 |
The present invention relates to a mechanical system (1), comprising a bearing (4) and a shaft (10) coupled to the bearing (4), especially for an internal combustion engine, being subjected to average contact pressures of less than 200 M...
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JP7421854B2 |
To maintain an oil film at a slide surface by preventing deformation in the slide surface for a bearing part of a crosshead pin, in an engine.A two-stroke engine includes: a piston rod connected to a piston; and a crosshead pin provided ...
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JP7421417B2 |
To prevent intrusion of a liquid gasket applied to joining surfaces of engine components into an oil groove of a bearing surface supporting a crank shaft.A groove 14 extending in an axial direction of a crank shaft over the entire length...
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JP2024005736A |
An object of the present invention is to provide a crankshaft support structure in which a beam-integrated bearing cap body can be constructed without increasing the size of the crankcase through further structural innovation, and the st...
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JP7398900B2 |
To provide a bearing mechanism which can inhibit or prevent wear of a restriction member, and to provide a speed reducer.A bearing mechanism 100 includes: a rotary shaft member 5 which rotates around an axis; a roller bearing 8 having a ...
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JP2023177905A |
To provide a bearing structure capable of suppressing damage to the periphery of an oil groove in a slide surface.A bearing structure includes a main bearing 20, and a crankshaft 10, where there are provided a slide surface 33 for slidin...
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JP2023172903A |
To control movement of a shaft to reduce engine noise, while providing an adequate oil flow to dissipate heat from a bearing.A bearing includes a first half shell 110 and an eccentric second half shell 140, where the first half shell and...
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JP7364420B2 |
To provide a power transmission device capable of reducing the product cost by simplifying the construction of a crankshaft around a bearing.The power transmission device includes a supporting block, a crankshaft 14, and rolling elements...
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JP2023543134A |
A bearing element (5) comprising a bearing element body (6), a sensor (8) for measuring at least one drive parameter of the bearing element (5), and a telemetry device (9), the bearing element comprising: The main body (6) is coupled to ...
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JP7352506B2 |
To make shot peening processing on an internal peripheral face 21a of an oil path 21 sure and easy, and to enhance the rigidity of the oil path 21 with respect to a stress concentration caused by a combustion load.A lower link upper 6A h...
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JP2023129836A |
To provide a sliding bearing for a crank shaft, in which cavitation erosion hardly occurs in the slide surface of the sliding bearing.In the slide surface of a first half bearing, a partial groove extending in the peripheral direction an...
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JP2023129825A |
To provide a reciprocation unit capable of suppressing metal contact in a high load portion.A reciprocation unit 1 includes a piston 10, a connecting rod 20, and a connecting rod bearing 30. A high load portion 30H is formed in the conne...
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JP2023121035A |
To provide an engine that can reduce vibration noise of the engine by restraining occurrence of NV of a crankshaft with a simple structure.An engine 10 comprises a cylinder bock 11 and a crankshaft 12, comprises a sliding bearing 13 loca...
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JP7335195B2 |
To ease stress concentration at the inner periphery side opening edge of an oil hole 21 provided in a crank pin bearing part 11 of a lower link 6.A lower link 6 is made by two-division into a lower link upper 6A and a lower link lower, a...
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JP7325991B2 |
To provide a half-split thrust bearing for a crank shaft of an internal combustion engine hardly causing fatigue in an operation.According to the present invention, a semi-annular half-split thrust bearing having an Fe alloy back metal l...
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JP7262208B2 |
A bearing element 100, such as a bearing shell for an engine, has an overlay 106 which forms the bearing surface against a steel journal or the like. The overlay 106 is formed from a bearing material comprising a polymeric matrix of poly...
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JP2023516423A |
The system has an axially translating y-axis component configured to reciprocate along the y-axis by reciprocating motion of the piston assembly relative to the base. The system also has an x-axis component slidably coupled to the y-axis...
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JP2023045288A |
To provide a bearing temperature monitoring device capable of monitoring, with a simple constitution, a bearing temperature as a monitoring object.A bearing temperature monitoring device for monitoring a temperature of a bearing portion ...
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JP2023513557A |
The present invention relates to a drawn cup bearing for an internal combustion engine comprising two semi-circular segments (1) defining the contour of the drawn cup bearing, the drawn cup bearing comprising: a cup bearing on the inner ...
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JP2023038980A |
To provide a crank shaft bearing structure capable of reducing an amount of oil leakage from a part between a crank journal and a journal bearing at both ends of a shaft, even in being applied to an engine with an odd number of cylinders...
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JP2023038823A |
To provide a sliding member capable of suppressing seizure between a shaft member and a bearing member.A sliding member comprises a shaft member having a shaft diameter of 180 mm or more, and a bearing member having an inner peripheral s...
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JP7236902B2 |
Provided is a crown-shaped retainer (1) made from resin, wherein a weld line which appears on the inner and outer peripheral surfaces of the retainer (1) has an angle of inclination of at least 17 degrees with respect to the X axis, or w...
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JP2023032711A |
To provide a crank shaft bearing structure capable of properly lubricating a thrust bearing even when an oil of low viscosity is used in an engine.A crank shaft bearing structure 100 includes a crank shaft 1, a cylinder block, a pluralit...
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JP2023030707A |
To provide a half bearing constituting a slide bearing hardly damaged in an operation of an internal combustion engine.A half bearing includes at least one projection, and the projection projects to a radial outer side from an outer peri...
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JP2023030708A |
To provide a half bearing constituting a slide bearing hardly damaged in an operation of an internal combustion engine.A half bearing includes at least one projection, and the projection projects to a radial outer side from an outer peri...
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JP7222690B2 |
To provide a technique capable of realizing an appropriate wear resistance in a resin coating layer.The sliding member of the present invention is a sliding member including a base layer and a resin coating layer formed on the base layer...
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JP2023021869A |
To provide a slide member capable of suppressing friction loss and seizure between a shaft member and a bearing member.A slide member includes: a shaft member 1 whose shaft diameter D is 0.18 m or more; a bearing member 2; and a lubrican...
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JP7216538B2 |
[Problem] To provide technology that makes it possible to achieve high seizing resistance even when scratches are formed. [Solution] A sliding member according to the present invention is provided with a base layer and a resin coating la...
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JP7204577B2 |
To suppress movement of an axial center of a shaft.A slide bearing (10) includes a first half-split bearing (11) and a second half-split bearing (12). The first half-split bearing (11) has an average clearance that is smaller than an ave...
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JP7202957B2 |
A sliding bearing (40) comprises a first split bearing (41a) and a second split bearing (42a). A thickness (T2) of the second split bearing (42a) at a circumferentially central position (P2) is greater than a thickness (T1) of the first ...
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JP7202150B2 |
A bearing member according to an embodiment of the present invention is formed into a single cylindrical shape or a cylindrical shape divided into arcs along a circumferential direction, and is assembled to a housing on an outer peripher...
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JP7192311B2 |
To improve the output of an internal combustion engine by ensuring the amount of oil jetting to a cylinder wall surface or a piston back surface.On an outer peripheral surface of a bearing fitting surface 3402, an oil collection groove 4...
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JP2022181504A |
To provide a half thrust bearing for a crankshaft of an internal combustion engine that prevents seizure in use while preventing generation of fatigue.A half thrust bearing has a backing metal layer and a bearing alloy layer. The half th...
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JP2022175524A |
To provide an engine that can save deburring work at a place where a support hole and a cylinder hole intersect each other by reviewing a structure of the periphery of the support hole in a crankcase part.In an engine, a bearing case tha...
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JP2022174623A |
To provide a bearing having improved friction while suppressing the seizure due to one-side contact.A half-split bearing (1) includes a semi-cylindrical bearing body (11) including an inner peripheral face (12) which slides with a mating...
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JP2022174624A |
To further uniformize stress distribution while suppressing the one-side contact of a shaft.A half-split bearing (1) includes a semi-cylindrical bearing body (11) including an inner peripheral face (12) which slides with a mating shaft (...
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JP2022170586A |
To provide a bearing metal capable of preventing a local increased surface pressure on a bearing surface occurring in a bearing for supporting a shaft of a piston pin, a crank pin, a crank journal, or the like, and a decrease in an oil f...
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JP7168404B2 |
A crosshead (4) that comprises a lubricant passage (50) that distributes lubricating oil to a piston rod (21) and a connecting rod (25). The lubricant passage (50) has: an introduction channel (51) that extends from an outer surface of a...
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JP7166974B2 |
To provide a half-split thrust bearing for a crank shaft of an internal combustion engine hardly causing fatigue in an operation.According to the present invention, a semi-annular half-split thrust bearing having a back metal layer made ...
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JP2022157342A |
To inhibit deformation of a crank shaft and suppress vibration noise occurring from a chain cover.A vibration inhibition device includes: a bearing which is provided at a chain cover of an engine and pivotally supports a tip part of a cr...
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JP2022147888A |
To provide a half-split thrust bearing for a crankshaft of an internal combustion engine in which the local accumulation and seizure of foreign matters hardly occur at an operation.According to this invention, a half-split thrust bearing...
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JP2022147891A |
To provide a half-split thrust bearing for a crankshaft of an internal combustion engine in which the accumulation and seizure of foreign matters hardly occur at an operation.A half-split thrust bearing according to this invention is for...
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JP2022136652A |
To provide a crankshaft bearing structure capable of discharging granular foreign matters from between a journal bearing and a crank journal, and of securing an appropriate hydraulic pressure even when using low-viscosity oil.A crankshaf...
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JP2022136653A |
To provide a crankshaft bearing structure capable of discharging granular foreign matters from between a journal bearing and a crank journal, and of securing an appropriate hydraulic pressure even when using low-viscosity oil.A crankshaf...
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JP2022136654A |
To provide a crankshaft bearing structure capable of securing an appropriate hydraulic pressure even when using low-viscosity oil.A crankshaft 1 has crank journals 11-15, and crank pins 24-27. Between the crank journal 12 and the crank p...
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JP7131081B2 |
To provide a method for producing a bed plate capable of weight saving.A method for producing a bed plate comprises a process where, into both sides of a metallic crank cap arranged at a mold, a molten metal of a material different from ...
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JP7127380B2 |
To suppress the internal rolling of a bearing metal of a double-link type piston crank mechanism.In a lower link of a double-link type piston crank mechanism, a load F1 acts on an upper pin bearing part of the lower link 7 resulting from...
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JP7127495B2 |
To reduce engine noise by suppressing deformation of a bearing housing.A bearing structure includes a first bearing (23) fitted to a crank shaft (2), a second bearing (31) fitted to a balancer shaft (30) canceling rotational vibration of...
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JP7120159B2 |
A cylinder block assembly has: a cylinder block having three cylinders aligned side-by-side; and four crank caps arranged side-by-side in an alignment direction of the cylinders and fastened to the cylinder block. The crank caps and the ...
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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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