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JP2018168710A |
To prevent the eccentric wear of a crankshaft and a metal bearing caused by a start of the crankshaft in a non-lubrication state by a simple structure.An oil sump space 13 is formed in a region at a lower part of a crankshaft 1 out of a ...
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JP6414823B2 |
The present invention relates to a crank-drive (1) with a crank-shaft (10), at least one connecting rod (11) and at least one piston (12), in particular a crank-drive (1) of an internal combustion engine, whereas the crank-shaft (10) fea...
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JP6412568B2 |
A lubricating configuration in a two-stroke cycle, opposed-piston engine for a piston wristpin minimizes losses in oil pressure at the wristpin as the piston approaches bottom center and reduces the required oil supply pressure to the en...
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JP6406372B2 |
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JP2018159374A |
To provide an engine that reduces friction force and fuel consumption and improves a total length and unit compactness.A reciprocating internal combustion engine has a line of parallel cylinders which are joined via connecting rods and p...
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JP2018155355A |
To provide a bearing capable of reducing friction while suppressing deterioration caused by vibration and noise.The present invention relates to a bearing 1 which bears a crank shaft 4 of an engine E, the bearing comprising: a pair of a ...
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JP6398934B2 |
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JP2018151037A |
To provide a main bearing for a crank of an internal combustion engine superior in foreign matter discharging performance.In a main bearing rotatably supporting a journal portion, first and second half-split bearings are constituted to f...
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JP6393067B2 |
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JP6391747B1 |
To support a crosshead pin satisfactorily by suppressing damage due to a bearing load in a crosshead bearing, a crosshead, a frame and a crosshead type internal combustion engine. A bearing body 71 having a semi-cylindrical shape, a bear...
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JP6393209B2 |
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JP6390852B2 |
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JP6390038B2 |
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JP6386239B2 |
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JP2018135931A |
To suppress foreign matter from entering between a rotational shaft and a half-split bearing.A groove 17 is provided between a mating surface 15 and a crush relief 13, recessed from the mating surface 15, and formed on a -X direction wit...
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JP6380067B2 |
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JP2018132111A |
To restrain foreign matter from entering between a rotating shaft and a half-split bearing.A groove 17A is provided on a mating face 14A, and is recessed from the mating face 14A. A groove 17B is provided on a mating face 14B, and is rec...
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JP6375769B2 |
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JP6377889B2 |
Zinc-free spray powder comprises: 5-30 wt.% tin; 0.1-5 wt.% aluminum, not > 1 wt.% iron, and balance of copper (100 wt.%), where the powder does not comprise unavoidable contaminants. Independent claims are also included for: (1) a zinc-...
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JP2018128070A |
To suppress a leakage amount of lubricating oil in a half-split bearing having a groove on an inner peripheral surface.A plurality of first grooves 111 and a plurality of second grooves 112 are provided on an inner peripheral surface 12 ...
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JP2018128071A |
To discharge foreign matter entering inside a groove in a half-split bearing having the groove on an inner peripheral surface.A first groove 111, a second groove 112, a fourth groove 114, and a third groove 113 are provided on an inner p...
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JP6373012B2 |
To provide an engine diagnosis device simpler and highly accurate.An engine diagnosis device comprises: a reception element 2 sensing an acoustic emission wave which is emitted from an engine component member during operation of an engin...
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JP2018123916A |
To provide a slide member which can improve a lubrication characteristic while suppressing a rise of surface pressure at contact face contacting with the other member.A slide member comprises a micro texture part 10 arranged at least at ...
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JP2018119593A |
To provide a slide member which can suppress a cost of manufacture, for example, while keeping characteristics required for a bearing of a vehicular engine, particularly a seize resistance.A slide member includes a base material layer, a...
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JP6365836B2 |
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JP2018115698A |
To provide a bushing that enables easy retention of a lubricant on a sliding surface.A bushing 2 includes a sliding surface 20 for swingably supporting a piston pin 97, and an oil groove 5 that is arranged on the sliding surface 20. When...
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JP2018109404A |
To provide one swivel bearing for connecting rod eyes of a plurality of connecting rods in one piston.A swivel bearing 7 for two connecting rods 5, 6 in at least one reciprocating piston 4 is accommodated in a plurality of piston holes 8...
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JP6356201B2 |
A bearing device (1) includes a crankshaft (3) having a plurality of journal portions (61, 62), main bearings (41, 42) for supporting the crankshaft (3), and a bearing housing (8). The plurality of journal portions includes a first journ...
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JP2018105159A |
To realize a light-weight Atkinson cycle mechanism with a simple structure.An engine comprises: a piston 12; a piston pin 13; a crankshaft 14 including a crankpin 19; a connecting rod 15 including a small end part 20 connected to the pis...
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JP2018105401A |
To provide a bearing cap which hardly transmits the vibration of a shaft to a bolt for fixing the bearing cap to an object to be fixed.A bearing cap 1A rotatably supports a crankshaft 11 via a bearing. The bearing cap 1A comprises an ins...
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JP2018096407A |
To suppress a leakage amount of a lubricant in a half-split bearing including a groove at an inner peripheral face side.A half-split bearing 10 is molded into a semi-cylindrical shape, and forms a cylindrical slide bearing by being butte...
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JP2018096522A |
To provide a bush which can suppress the generation of the seizure of the bush of a connecting rod and a piston pin even if an engine is boosted in in-cylinder pressure.A bush 40 of a connecting rod comprises first and second introductio...
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JP2018096408A |
To suppress lowering of a load capacity in a half-split bearing including a groove at an inner peripheral face side.A half-split bearing 10 includes a groove 111 and a groove 112 along a circumferential direction of an inner peripheral f...
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JP6346754B2 |
To provide a support structure of a bearing capable of supporting a bearing member in a suitable state independently of an ambient temperature.A sleeve member 30 is made of a material having a thermal expansion coefficient almost equival...
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JP6343418B2 |
A support element comprises a support metal layer (A) comprising a white metal-containing material preferably tin-containing material, and a base material layer (B), which are metallurgically connected using a adhesive layer which does n...
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JP2018087582A |
To improve the supply of a lubricant through an internal peripheral side face of a washer, in a thrust washer.A washer 31 has: a thrust face 311; a back face 312; a hole penetrating the thrust face 311 up to the back face 312; a washer m...
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JP2018087604A |
To provide a rolling bearing which can prevent damage of an outer ring.A rolling bearing includes: an outer ring 1 which fits in a housing 30 and has an outer ring hole 5 allowing communication between an inner periphery and an outer per...
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JP6340027B2 |
A first angle portion where part of a bearing cap side wall portion is cut out and a second angle portion where part of a bearing cap bottom surface portion is cut out are formed in a region (an angle region of a bearing cap) including a...
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JP2018080821A |
To provide a sliding bearing capable of suppressing occurrence of deviations in an axial center locus of a crankshaft or a crank pin during operation of an internal combustion engine.A sliding bearing 1 according to the present invention...
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JP6328952B2 |
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JP2018076929A |
To provide a bearing which performs lubrication oil flow adjustment on the basis of temperature change of a lubrication oil flowing between a rotary shaft and the bearing.A bearing includes: a bearing body 10 formed with an oil supply ho...
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JP6323833B2 |
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JP6317786B2 |
Provided is a bearing device (1) for a crankshaft of an internal combustion engine including: a crankshaft (3) having a plurality of journal portions (61, 62); main bearings (41, 42) for supporting the crankshaft (3); and a bearing housi...
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JP2018062975A |
To provide a piston pin that can inhibit a piston pin from rotating despite having a full-floating system.A piston pin 1 connects a piston 91 to a bearing 94 of a small end part 920 of a con rod 92 in a full-floating manner. The piston p...
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JP2018062972A |
To provide a piston pin that facilitates securing an oil film at a slide boundary surface between a piston pin and a slide mating object.A piston pin 1 connects a piston 91 to a bearing 94 of a small end part 920 of a con rod 92. The pis...
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JP6313780B2 |
A thrust washer for a sliding bearing may include a thrust washer substrate having an axial face. The thrust washer may also have a polymer layer of profiled thickness on the axial face of the substrate. The profiled polymer layer may be...
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JP6314103B2 |
The present invention addresses the problem of providing a sliding bearing with which it is possible to suppress the total quantity of outflow oil and to obtain a friction reducing effect. Provided is a sliding bearing (1) comprising ver...
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JP2018059629A |
To provide a holder for a rolling bearing having a slide surface excellent in slidability even under a condition of oil lubrication, high slide speed and high plane pressure.A holder 1 includes a plurality of pocket parts 2 for holding a...
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JP2018059628A |
To provide a holder for a rolling bearing having a slide surface excellent in slidability even under a condition of oil lubrication, high slide speed and high plane pressure.In order to hold a rolling body of a rolling bearing used under...
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JP6310744B2 |
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