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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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JP2019056382A |
To provide a suitable holder for roller bearing having improved rigidity.A holder 12 has a first outer diameter guide surface 16b formed in a first ring part 14b, a second outer diameter guide surface 16c formed in a second ring part 14c...
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JP6495759B2 |
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JP2019049272A |
To provide a main bearing for a crank shaft of an internal combustion engine, which has superior foreign matter discharging properties.The main bearing for supporting a journal part rotatably is provided that comprises a first and a seco...
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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 |
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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 |
[Subject] Noise which the 1st and 2nd dynamic vibration absorber mutually formed in one makes during operation of an engine in a both-way rotating machine style of an engine fixed in a hollow part of a piston is reduced effectively. [Mea...
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JP6481737B1 |
[Subject] In a both-way rotating machine style of an engine in which the 1st and 2nd dynamic vibration absorber was prepared for a piston or Cong Rod, noise which is made during operation of an engine is reduced effectively. [Means for S...
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JP6481738B1 |
[Subject] In a both-way rotating machine style of an engine in which the 1st and 2nd dynamic vibration absorber was prepared for a piston or Cong Rod, noise which is made during operation of an engine is reduced effectively. [Means for S...
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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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JP2019032028A |
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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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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JP2019027524A |
To provide a half-split bearing constituting a sliding bearing of a crankshaft capable of reducing a friction loss caused by turbulence generation during operation of an internal combustion engine.Multiple recesses are formed on a slidin...
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JPWO2017175670A1 |
[Subject] Fully ease the stress concentration which acts on the corner corner of the fitting recess of a bearing main part, and provide the art which can raise the endurance of a cylinder block further. [Means for Solution] Supporting wa...
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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 |
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JP6461970B2 |
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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 |
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JP6455306B2 |
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JP6457368B2 |
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JP2019007578A |
To provide a lubrication structure of a piston support part capable of preventing seizure between a piston, a piston pin and a connecting rod.A lubrication structure of a piston support part slidably supports a piston 2 at a small end pa...
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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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JP2019002418A |
To provide a half-split thrust bearing for a crank shaft of an internal combustion engine, in which damage hardly occurs in operation and frictional loss is small.A semi-circular half-split thrust bearing having a sliding face and a back...
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JP2019002417A |
To provide a half-split thrust bearing for receiving axial force of a crank shaft of an internal combustion engine, in which damage (fatigue) hardly occurs in operation, and frictional loss is small.A semi-circular half-split thrust bear...
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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 |
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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 |
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JP6442254B2 |
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JP2018197583A |
To suppress torsional resonance of a power transmission passage at a downstream side of an output shaft, in a power transmission device for a vehicle including a crank-type continuously variable transmission.An output shaft 13 is compose...
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JP2018197590A |
To suppress seizure even when a crankshaft has bias-contacted with a crank washer.A crank washer 30 for supporting the axial force of the crankshaft consists of an upper washer 31 and a lower washer 32. The upper washer 31 has an incline...
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JP2018197589A |
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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JP2018192538A |
To enable oscillation velocity of a grindstone 3 to become as high as possible, in a super-finishing device 2 for super-finishing a worked surface of a workpiece 1 by oscillating the grindstone 3.A crank pin 93 provided in a position ecc...
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JP6434417B2 |
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JP6434401B2 |
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JP2018189103A |
To reduce the friction resistance of a crank mechanism while suppressing man-hours and costs in processing.A main bearing part 35 for rotatably supporting a plurality of crank journals 71 and a connecting rod side bearing part 85 for rot...
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JP2018179164A |
To provide a connecting rod bearing and bearing device of an internal combustion engine, where cavitation erosion does not occur on a slide layer even in a case where a cavity occurs in lubricant.A connecting rod bearing has a first half...
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JP2018179165A |
To provide a connecting rod bearing and bearing device of an internal combustion engine, where cavitation erosion does not occur on a slide layer even in a case where a cavity occurs in lubricant.A connecting rod bearing has a first half...
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