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JP2021095994A |
To provide an overlay material which responds to the temperature environment, and provide a method for manufacturing oil gel capsules and a method for manufacturing a contact part for vehicles, including oil gel capsules.An oil gel capsu...
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JP6894013B2 |
The invention relates to a method for work-hardening a crankshaft (4) comprising connecting rod journals (5), main bearing journals (6) and crank webs (7), the connecting rod journals (5) and the main bearing journals (6) being provided ...
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JP6893770B2 |
A half bearing is provided with a first groove and a second groove on the inner circumferential surface side. The first and second grooves extend in the circumferential direction of the inner circumferential surface, and retain lubricati...
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JP2021089008A |
To provide a slide member improved in abrasion resistance by improving strength of a resin overlay layer without increasing a coefficient of friction.A slide member includes a resin overlay layer at a slide surface side of a bearing allo...
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JP6876766B2 |
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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JP6874669B2 |
A crank cap assembly (10) provided with a crank cap (20) rotatably supporting a crankshaft (5) includes a mass portion (30), two cap bolts (50) fixing the crank cap (20) to an engine body, and an elastic supporter (40) disposed between t...
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JP6871884B2 |
Provided is a semi-cylindrical shaped half bearing (31, 32; 41, 42). The half bearing has an inner surface forming a sliding surface (7). The sliding surface (7) includes a plurality of recesses (71). Each recess (71) has a smooth recess...
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JP6873819B2 |
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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JP6862318B2 |
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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JP2021046923A |
To provide a sliding bearing capable of suppressing the generation of seizure between an end portion of a sliding surface and a rotary shaft.A sliding bearing 10 has sliding surfaces 12a and 12b opposite to a rotary shaft 2 and sliding w...
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JP6845100B2 |
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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JP6842923B2 |
The present invention provides a reciprocating plunger pump, which comprises a plunger pump engine body, a plunger pump head and a slider crank mechanism which is located in the said plunger pump engine body; the said plunger pump engine...
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JP6827343B2 |
To provide a stirling engine which can discharge or supply a lubrication oil while inhibiting a working fluid filling the interior thereof from being excessively discharged.A stirling engine 1 includes: a crank case 9; a discharge path 5...
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JP2021011864A |
To provide an engine having a crankshaft which is suppressed in the enlargement of a member and a deviation of weight balance.An engine comprises: a crank journal which is rotatably supported to a cylinder block around a shaft via a cran...
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JP6824196B2 |
A rocking journal bearing is provided in a piston coupling mechanism. The bearing includes a sleeve and a wristpin constructed with two sets of eccentrically-disposed bearing surfaces which alternate in accepting a compressive load durin...
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JP2021008914A |
To provide a slide bearing capable of suppressing an increase in sliding resistance between a shaft and the slide bearing under a low temperature environment.This slide bearing 1 is a slide bearing 1 having a shape of at least a part of ...
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JP6809966B2 |
To provide an internal combustion engine that further improve support rigidity for a crankshaft and can effectively suppress crank striking sound.An internal combustion engine 23 includes: a crankcase 24 for sectioning a crank chamber 36...
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JP2020204296A |
To form an engine having a balancer shaft into a structure suitable for enabling use of common components between the engine and an engine that does not have a balancer shaft.A balancer weight 19 has: an arm part 19a extending from a sid...
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JP6804578B2 |
A half thrust bearing includes a back metal layer, a bearing alloy layer defining a slide surface, and two thrust relieves formed adjacent to both circumferential end surfaces of the half thrust bearing and each including a thrust relief...
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JP6805556B2 |
To restrain damage to a compressor caused by seizure at places where sliding bearings and a crankshaft slide on each other, even if supply of lubricating oil is insufficient.A compressor 10 is intended for a refrigerating machine. The co...
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JP6799773B2 |
A bearing device includes a thrust bearing. The thrust bearing has a bearing surface in a half-split ring shape, and a plurality of oil grooves formed to cross the bearing surface from an inner circumferential side to an outer circumfere...
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JP6796537B2 |
A connecting rod bearing (1) is provided, which includes a first half bearing (10) having a first partial groove (15) and a second partial groove (17), and a second half bearing (20) having an oil groove (25) extending over the entire le...
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JP6796538B2 |
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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JP6777502B2 |
A half bearing includes circumferentially extending first and second grooves on the inner circumferential surface. The circumferential end of the first groove, on the rotational upstream side of the shaft, has an inclination angle θ1 of...
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JP6773542B2 |
A half bearing includes: a semi-cylindrical bearing body having an inner circumferential surface that slides against a shaft; and a first groove formed in the inner circumferential surface so as to extend in a circumferential direction o...
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JP6770155B2 |
To provide a technology capable of manufacturing a speed reducer under application of a small number of types of bearing.This patent application discloses a group of speed reducer comprising: a first speed reducer having a first crank as...
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JP6769775B2 |
A sliding member is provided which has a sliding surface with excellent sliding properties even under conditions of high surface pressure, high sliding speed and being in lubricant; a roller bearing and a retainer are also provided. This...
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JP6767349B2 |
A thrust washer according to an embodiment has an annular washer body having a first thrust surface and a second thrust surface that receive a thrust load, and a tapered portion formed on at least one of the first thrust surface and the ...
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JP6757673B2 |
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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JP2020148209A |
To actualize a further reduction in the friction of a sliding part under the circumstances of low-viscosity lubricating oil, as desired for a conventional sliding bearing.A sliding bearing 1 has a shaft hole 2 in which a shaft body J is ...
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JP2020148231A |
To provide a journal bearing structure of a cylinder block capable of suppressing crank striking sound without providing a journal piece, and a manufacturing method therefor.In a journal bearing structure of a cylinder block 1 having a j...
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JP2020128563A |
To provide a technology capable of improving fatigue resistance by an intermetallic compound containing Al and Mn.A slide member includes an Al alloy layer containing 2 mass% or more and 20 mass% or less Sn, 0.4 mass% or more and 2.5 mas...
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JP6747801B2 |
To provide a bearing structure of an internal combustion engine capable of easily supplying a lubricant to a sliding face of a washer.A bearing structure of an internal combustion engine includes: a bearing portion 10 supporting a crank ...
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JP6746798B2 |
This internal-combustion engine is provided with: a crank case (33b); a rolling bearing (48) having an outer race (74a) which is inserted into a bearing hole (47) in the crank case (33b); a crankshaft (46) which is fitted into an inner r...
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JP6747341B2 |
To provide a slide bearing structure enabling oil temperature to be raised.A slide bearing structure 1 comprises: a rotatable shaft 10 having a large diameter part 111 and a small diameter part 110; slide bearings 30a, 30b rotatably hold...
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JP2020112209A |
To suppress NV (noise and vibration) of a roller bearing having an inner ring composed of a plurality of split members.A roller bearing 1 includes an inner ring 3 provided with: a pair of flange portions 32 disposed along a circumferenti...
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JP6729415B2 |
A crankshaft bearing support structure includes a cylinder block having a first holding portion; a first plain bearing held by the first holding portion of the cylinder block; a crank cap fastened to the cylinder block, the crank cap hav...
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JP6727758B2 |
A connecting rod (18) connects a cross-head journal (7) and a crank pin (9) of a cross-head type engine (EG), and the connecting rod comprises: an oil supply path (15) that is formed extending along the longitudinal direction of the insi...
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JP6725318B2 |
To reduce a risk that lubrication between a crank and land parts becomes insufficient resulting from the fact that the amount of lubricants supplied between the crank and the land parts from tapered parts becomes insufficient, in a half-...
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JP6724280B2 |
To provide a slide bearing which can provide friction reduction effect and can reduce the total oil outflow.In a slide bearing 1, halved members 2, 2 obtained by splitting, parallel to the axial direction, a cylinder into two are dispose...
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JP6724281B2 |
To provide a slide bearing capable of early increasing lubricant temperature with shear heat of an oil film to obtain a friction reduction effect.A slide bearing 1 is configured such that a cylinder is divided into two members in paralle...
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JP2020101248A |
To suppress NV of a roller bearing having an inner ring consisting of a plurality of inner ring members arranged side by side in the peripheral direction.An inner ring 3 in use for a roller bearing 1 which rotatably supports a crank shaf...
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JP2020097949A |
To provide a technique for developing high seizure resistance even when damages are formed.A slide member according to this invention includes a base layer, and a resin coating layer formed on the base layer, the resin coating layer bein...
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JP6684293B2 |
Load transfer point offset of rocking journal bearings in uniflow-scavenged, opposed-piston engines with phased crankshafts includes differing offsets for the load transfer points of opposed pistons. More specifically, under the conditio...
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JP6680662B2 |
To provide a lubricating oil supply mechanism for an engine, capable of improving the distribution property of lubricating oil in an oil path.The lubricating oil supply mechanism for the engine includes a connecting rod bearing 4 fixed t...
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JP2020056077A |
To provide a sliding member capable of reducing friction and maintaining the state thereof for a long time, and a method for manufacturing the same.A sliding member 10 includes a base material 1 made of steel and a metal layer 2 formed o...
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JP2020051439A |
To provide a slide member comprising a slide surface improved in slidability even under a condition of a high PV value (a high sliding velocity or a high surface pressure) in a lubricant, a rolling bearing and a holder.A slide member 1 i...
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JP2020045925A |
To provide a slide bearing in which the contact with a holder on a back of a bearing is improved and a material yield is improved.A slide bearing 1 is composed of a pair of upper half member 2 and lower half member 3 obtained by dividing...
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JP2020041624A |
To provide a washer capable of securing seizure resistance at an upstream site in a rotational direction of a rotary member on a slide surface.A thrust washer 10 that receives a load in a thrust direction of a shaft member, comprises a s...
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JP2020041695A |
To provide an inexpensive bearing enabling simple design and bearing operation with excellent abrasion resistance.The present invention relates to a bearing comprising a bearing shell 2 and bearing pins 1, 11, 12 with a rotational axis X...
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