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JP4042311B2 |
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JP2008019986A |
To provide a roller bearing wherein the axial movement of rollers is prevented without providing a collar or others on a bearing ring by minimizing the skew of the rollers and vibration and noises are reduced and the rolling fatigue life...
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JP4040301B2 |
A multilayer engine bearing (10) includes a steel backing (12) having a liner (18) of bearing metal of either copper-lead or aluminum alloys formed on the backing (12) to define a base lining member (20) of the bearing (10). A multilayer...
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JP4040272B2 |
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JP2005509808T5 |
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JP2008008412A |
To reduce torque regardless of the low speed rotation and the high speed rotation of a journal, in a journal bearing.An inner ring 5 of a rolling bearing 3 is fitted and installed by tight fit outside a sliding bearing 2 fitted and insta...
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JP2007333170A |
To provide a main bearing mounting structure for an engine that can considerably contribute to low noise and low vibration of the engine by dispensing with a special component with a small compact structure to support loads from the cran...
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JP4025622B2 |
The engine casing (6) is formed from a principal housing body (9) and a cover (10) fixed to it. A bearing support element (19a,19b) is located between a driving transmission wheel (20) and a crankshaft arm (14,15) which is at an end in t...
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JP2007537410A |
This invention relates to a bearing for passage of a lubricating fluid, the bearing comprising at least one opening communicating between an interior of the bearing and an exterior of the bearing, the opening being shaped to increase a p...
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JP4023588B2 |
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JP2007321829A |
To provide a two-split roller bearing whose rolling fatigue life can be prolonged while preventing the axial movement of rollers without providing a collar on a bearing ring and preventing an increase in contact bearing pressure by minim...
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JP2007315256A |
To control the deformation of a crank cap and a crank cap bolt by simple configuration. A crank case 10 comprises cap side holding portions 10a, 10a which hold both side portions 13a, 13a of a crank cap 13, and a cap bottom holding porti...
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JP2007315351A |
To provide a bearing structure for an internal combustion engine integrally fastening two-split bearing portions with bolts, having reduced cost while securing good circularity of a circular hole for supporting a rotating shaft between b...
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JP2007534886A |
Engine components are arranged such that engine is self powered and enabling drawing air/fuel mixture directly from cylinder rear and injecting into combustion chamber subsequently. -
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JP2007303598A |
To provide a two-piece roller bearing which can prevent an axial movement of a roller without including a collar or the like in a raceway ring by minimizing the skew of a roller and prolong a rolling fatigue life by preventing an increas...
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JP2007303577A |
To provide a crank shaft oil passage structure for efficiently suppressing a great fluctuation of oil pressure in a main gallery. A journal bearing part 4 for bearing first-fifth crank journal portions 31a-31e are constituted by two half...
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JP4012493B2 |
A hermetic reciprocating compressor, in which a bearing structure to support a rotating shaft is improved to minimize frictional contact between the parts of the compressor, thus reducing noise of the compressor and improving compression...
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JP4007819B2 |
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JP4007960B2 |
An engine fastening structure in which a crankcase and a cylinder body are provided as separate units, so that the crankcase and the cylinder body are connected together with connecting bolts, characterized in that the crankcase 2 is con...
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JP2007285456A |
To provide a bearing structure capable of improving seizure resistance, by reducing bearing pressure between a shaft and a bearing member, when rotating the shaft, while providing an excellent lubrication characteristic, particularly, an...
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JP4002108B2 |
To form a dividing portion 21 of an outer ring 13 so that a dividing line is of a crankshaft shape as seen in the axial direction while first and second race ring halves 16, 17 fit to each other. The dividing portion 21 is formed so that...
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JP3999617B2 |
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JP2007278436A |
To provide a cylinder block fastening structure improving the strength of a fastened part in fastening a crank cap to a partition wall of a cylinder block by a screw component. The partition wall 4 is provided with a partition wall throu...
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JP2007270895A |
To sufficiently show original lubrication characteristics of solid lubricant and eliminate risk of peeling off of solid lubricant from a base material at an early stage without resin in a sliding member provided with the coating layer co...
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JP3993547B2 |
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JP3991302B2 |
The description relates to a crankcase made of light metal for an internal combustion engine with a parting plane (4) running through the crankshaft axis between a case upper part and a case bottom part, whose bearing walls (2), which co...
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JP3993674B2 |
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JP2007255579A |
To easily secure bearing rigidity and reduce vibration during operation of the bearing while preventing positional shift, deterioration of circularity and the like of a split outer ring. In the split type rolling bearing 10, a vibration-...
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JP2007247705A |
To provide a bolt hole structure of a connecting rod capable of ensuring strength of a shoulder part sufficiently while preventing breakage of a bolt securely by discharging all the chips from the inside of a bolt female screw hole. A bo...
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JP2007247875A |
To simplify and facilitate mounting work of a roller bearing or the like when a shaft body such as camshaft is rotatably supported. A split type roller bearing device 2 comprises a roller bearing 3 in which at least its outer ring is spl...
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JP3980711B2 |
A rotary slide bearing part of a rotary slide slit bearing for supporting a rotary shaft thereon in a rotatable manner, has a first bearing surface portion adapted to be arranged adjacent to a second bearing surface portion of another ro...
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JP2007239497A |
To provide a compact and rigid joining structure for a bearing cap structure body on a cylinder block applicable to a double link type internal combustion engine. The joining structure is provided with a bearing housing 40 for a main jou...
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JP2007239791A |
To reduce a size of a bearing structure in a double-linked piston stroke mechanism. This bearing structure is provided with a first link 12 having a forked bearing part 101 arranged to be contracted in a fork manner, a second link 11 hav...
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JP2007232202A |
To provide a fastening structure of high general versatility, capable of reducing concentration of stress on a female screw portion positioned near a final end of a male screw portion. The female screw portion 26 is formed on a cylinder ...
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JP2007232112A |
To improve durability of a link connecting part and to reduce the cost. A lower link 13 and an upper link constituting a double link piston crank mechanism are rockably connected to each other by a first connecting pin supported in a ful...
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JP2007225079A |
To provide a sliding bearing for a diagonal split type connecting rod capable of preventing fatigue of the bearing in an oil reservoir and a secondary gutter, formed near a mating surface. In the sliding bearing 10a, an oil reservoir 12 ...
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JP2007198557A |
To provide a connecting rod assembly realizing a long service life. The connecting rod assembly 21 is provided with a connecting rod 11 including a small end connecting piston pins and a large end 12 connecting crankshafts, and convertin...
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JP2007522410A |
A sliding bearing element is characterized in that a bearing material (3) that is bonded to the backing (2) is disposed at least at the edges of the backing (2) in form of wires (5, 6) in the circumferential direction and that a soft mat...
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JP3955737B2 |
To prevent early wear and seizure caused by deformation of a bearing metal or a bearing housing, in a sliding bearing. Inclined faces 26, 27 are disposed at both end portions in an axial direction of a cylindrical bearing face. The incli...
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JP2007187259A |
To reduce vibration during bearing operation by equally distributing rollers along the circumferential direction of a cage.Spacers 30 for equal distribution are respectively disposed between circumferential end faces 22 of split portions...
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JP3133827U |
To provide a drive central shaft structure of an oil-immersed crankshaft. A needle bearing 40 is fitted at a fitting rail position of a body portion of a drive center shaft 30, and oil exudation holes 32A connected to an oil inlet hole c...
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JP3949117B2 |
To provide a sliding bearing capable of continuously improving fitness even when deformation due to high oil-film pressure occurs in the vicinity of the center part of the sliding bearing. This sliding bearing 1 is so structured that cro...
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JP3948272B2 |
To prevent a casting error by preventing exposure of a core material in the cap-side journal part and performing alumina alloying thereof uniformly by expanding the tolerance range of lateral misalignment of a core material along the jun...
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JP2007182976A |
To provide a piston crank mechanism which enjoys a longer operating life by preventing wears of a piston pin or a crank while maintaining an excellent lubrication.In the piston crank mechanism provided with a piston 1 having the piston p...
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JP3946500B2 |
To provide a connecting rod assembly and a connecting rod with a bearing which can be easily machined at a low cost. In this connecting rod assembly 2, split connecting rod parts 3A and 3B having a large end part 3a, a small end part 3b ...
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JP3946463B2 |
To provide both of reduction of the weight and elongation of the serviceable life. A bearing 6 having an outer ring 7 and a roller 8 is press-fitted in a through hole 5 in a large end part 3 and a small end part 4 of this connecting rod ...
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JP3943660B2 |
To insure bearing capacity and durability and attain miniaturization by setting the outer diameter of a rolling bearing arranged on the output side of a crankshaft supported on both sides through rolling bearings on both sides of a crank...
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JP2007170562A |
To provide a shell type roller bearing for a laminated connecting rod capable of preventing occurrence of lateral running by suppressing skewing of a roller and to provide a connecting rod assembly.This roller bearing 4 constitutes the c...
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JP2007170516A |
To provide a bearing device for an internal combustion engine for supporting a crankshaft, which smoothly operates the crankshaft during operation of the internal combustion engine and achieves high output of the internal combustion engi...
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JP3939263B2 |
To provide a manufacturing method for a bearing member made of a light metal base material, capable of providing cost reduction, and stabilizing a support function of a rotating shaft. This manufacturing method for a bearing cap in which...
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