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JP2004190715 |
To provide a cam lobe for an assembled camshaft with competitive manufacturing costs capable of preventing breaks caused by extending works of a tube.The cam lobe 30 comprises a base circle portion 31 arranged on a through-hole 32, and a...
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JP2004183682 |
To provide a rolling sliding component capable of reducing sliding resistance in spite of higher surface roughness of a contact surface with a counter member and controlling generation of faulty surfaces such as peeling damage for a long...
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JP2004183744 |
To inhibit the increase of rotating resistance of an outer ring.This roller follower includes a pair of side walls 4, 4 opposite to each other, a spindle 6 fixed in a state of being bridged over a pair of side walls, an inner ring 8 fitt...
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JP2004183802 |
To provide a needle roller bearing capable of restricting heat treatment deformation while securing prescribed hardness.Steel material for forming at least one of an inner ring 2, an outer ring 4, and a needle roller 3 is quenched and ha...
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JP2004183841 |
To provide a roller follower which is used for a large load without any trouble while not increasing the size and the weight thereof.The roller follower comprises a pair of side walls 2 and 3 facing each other with a space therebetween, ...
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JP2004183672 |
To provide a rolling sliding component capable of reducing sliding resistance even though surface roughness of a contact face with a counter-member is large and controlling generation of defects on the surface such as peeling damage for ...
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JP2004183075 |
To provide a wear resistant member having excellent wear resistance and fatigue strength and usable for rolling members to be brought into contact with each other under high bearing pressure and also to provide a rolling member using it....
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JP2004183545 |
To provide a camshaft capable of realizing stable supply of lubricating oil to a sliding surface with a simpler structure.A protrusion 14 protruding to an inner periphery of a lubricating oil passage 12 is formed integrally with the cams...
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JP2004183666 |
To increase response to actuation by reducing leakage of hydraulic oil by preventing deformation of a cylindrical housing.The cylindrical housing 8, having a sprocket part 3 at the outer periphery and a partition wall 12 projected at the...
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JP2004183589 |
To provide long-service-life structure, by suppressing abrasion of an outer circumferential face of an intermediate part of a roller support shaft 9 even in lubricating environment using lubricating oil into which insoluble components su...
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JP2004176770 |
To reduce production cost and increase shape accuracy in a roller follower 1.This roller follower 1 is formed such that a deep groove ball bearing 4 with an inner ring 41 is fitted to the outer periphery of a pivot shaft 3 installed acro...
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JP2004176848 |
To improve wear resistance and seizure resistance of a combination of a first member 5 coated by an amorphous hard carbon film and a ferrous second member 6.The amorphous hard carbon film 1 is formed on a sliding face of the first member...
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JP3565746 |
To provide a fluid pump suitable for a fuel high pressure injection pump of a diesel engine by preventing abnormal wear or seizure in a sliding part between the cam and the plunger. In this fluid pump with a plunger operated by a cam mec...
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JP2004169669 |
To provide a camshaft having no abnormal wear generation on cam surface and its manufacturing method in the camshaft in which the cam surface is treated by re-melting surface hardening process.The cam surface of the camshaft except both ...
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JP2004156688 |
To solve the problem of tight adhesion of an end surface of a shaft body to a holding jig to prohibit separation of the shaft body from the holding jig due to existence of cooling solution invading between the holding jig and the end sur...
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JP3555844 |
To provide a sliding member having a low friction coefficient and excellent in wear resistance by making it into the one whose solid lubricity effectively functions even in lubricating oil. As to a hard carbon film sliding member 1 the s...
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JP2004144102 |
To reduce the leakage of operating oil, prevent the deformation of a cylindrical housing and improve operating responsiveness.The cylindrical housing 8 having a sprocket portion 3 on the outer periphery is formed with sintering. A vane m...
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JP3551005 |
To improve durability and reliability of a camshaft by forming cams from different materials in accordance with their respective forms of contact. Three cams having different valve lifts and active angles per cylinder are mounted to a ca...
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JP2004136439 |
To provide a small and highly reliable swing part holding mechanism.The swing part holding mechanism includes at least two holding arms 21 and 22 whose one end or center is pivoted for holding a swing part 20 from at least two opposite d...
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JP2004132339 |
To adequately connect an intake camshaft and an exhaust camshaft parallel to each other to a crankshaft.When the intake camshaft and the exhaust camshaft are connected to the crankshaft, the crankshaft is positioned at a predetermined fi...
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JP2004131840 |
To provide a corrosion resistant/wear resistant alloy in which the linkage of the corrosion of eutectic carbides composing a cobalt based, nickel based or iron based alloy used for the sliding part or valve seat of equipment in a dissolv...
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JP3546924 |
To provide a cam shaft which can eliminate the necessity of the step of forming a groove for fitting a snap ring, the necessity of a separate spring guide pin for a gear part 4, and the necessity of the step of press-fitting the guide pi...
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JP3546938 |
To prevent the occurrence of damage such as a chip in a shaft directional end part of a cam surface by arranging a projecting pressure contact object piece part deflectively deformable when a mating member such as a tappet contacts from ...
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JP2004124137 |
To provide a high precision sintered cam lobe member which has high dimensional precision even when a cam lobe having a complicated shape is produced while having high wear resistance and pitching resistance, and does not require grindin...
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JP2004125171 |
To increase the life time and reduce the cost coping with two guiding actions in the rotational direction and vertical direction without producing wear and unevenness in rotation, etc.A bearing unit 10 equipped with a double row capped b...
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JP2004125049 |
To provide a slide member capable of greatly reducing friction to a cam, and simplifying manufacturing processes in a valve mechanism for an automotive engine, for example.This slide member of ceramic comprises a flat surface 1 in which ...
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JP2004124244 |
To provide a high-accuracy sintered cam lobe material which has a high wear resistance and pitching resistance, and has high dimensional accuracy and does not require grinding after assembly even in the case the cam lobes of intricate sh...
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JP2004116584 |
To solve a problem that it is necessary to form a cured part and an uncured part on a support shaft, a clamping process is added, and a producing cost is increased in a rocker arm preventing turning of the support shaft by clamping an en...
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JP2004116541 |
To provide usage as a bearing with a rotating outer ring without hindrance by preventing damage of the outer ring due to insufficient quantity of oil.In the shell type roller bearing, the shell type outer ring 2 is used as a rotating rin...
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JP3541730 |
To prevent uneven abrasion of a valve lifter end face by enlarging the offset amount from the axis of the valve lifter to the center of width along a rotating axis in a region of a rotary cam with the maximum lift amount more than a regi...
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JP3542160 |
PURPOSE: To provide sufficient wear resistance and scuffing resistance for the cam shaft for high bearing pressure engine by using the cast iron added by the specified elements to form the chilled carbide on the sliding surface of a cam ...
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JP2004107771 |
To provide a hard coated film showing an excellent adhesion, even under severe conditions employed for applying direct fuel injection or EGR (exhaust gas recirculation), etc. for reducing Co2 and Nox in exhaust gas and improving fuel con...
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JP2004108479 |
To provide a shell type bearing device capable of controlling sliding contact of a flange part of a shell and other member opposing in an axial direction, especially sliding contact of an inner diameter end side part or an outer end side...
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JP2004108583 |
To provide an axial adjustment device having a design to reduce the load on balls and ball grooves.This axial adjustment device includes two discs 24, 29 being relatively rotatable and relatively coaxially supported, and having a pair of...
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JP2004100499 |
To realize a structure having excellent durability and producible at low cost.In order to support both ends of a support shaft 5c for supporting a tappet roller 6c on a rocker arm 3c, the inside diameter R of support holes 13a formed in ...
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JP2004100735 |
To provide an adjusting mechanism of a clearance between a cam follower and a cam surface in a conjugate cam adjusting the clearance between the cam follower and the cam surface by a simple adjusting method with neither improving the mac...
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JP3537031 |
To improve the wear-resistance of a journal even when another molded journal piece member is dispensed with and also another molded journal piece member was dispensed with, in a hollow camshaft whose raw material is a steel pipe. A cam 1...
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JP3538519 |
To suppress wear, damage and seizure caused by rolling contact operation accompanied with a slide of a roller, in a cam follower. In a cam follower device 7 formed of a roller 10 abutting to a cam 1a, rotatably supported at a spindle 9, ...
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JP2004084791 |
To provide a rolling slide member with a long service life by reducing a concentration of stress in the rolling slide member (for example, inner and outer rings and a rolling element of the rolling bearing) containing carbide and carbide...
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JP2004083746 |
To provide a lubricant oil composition for an internal combustion engine, having extremely superior base number-maintaining characteristics, high-temperature cleanliness and properties for preventing friction of a valve operating system,...
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JP2004084900 |
To provide a gear fitting-disengaging device and a recorder having this device for restraining damage of an addendum of both gears caused when a switching gear 107 fittably-disengageably arranged to a first gear 101 contacts at the mutua...
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JP2004076850 |
To stabilize rotating condition of a roller and reduce torque by reducing frictional resistance when needle rollers interfere with side walls.In this cam follower 2, the roller 5 is rotatably attached via a plurality of needle rollers 6 ...
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JP2004076851 |
To solve a problem that with a rocker arm, a roller is pressed by a cam revolution, and when the roller revolves around a spindle, a needle roller sliding-contacts a wall surface of a roller support wall at the end face so that the frict...
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JP3529452 |
PURPOSE: To suppress the abrasion of the local part of a supporting shaft accompanied with the one-sided contact for the supporting shaft of a roller made of ceramics. CONSTITUTION: A ceramic roll 10 is externally fitted through a necess...
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JP3529451 |
PURPOSE: To suppress the abrasion of the local part of a supporting shaft accompanied with the one-sided contact for the supporting shaft of a roller made of ceramics. CONSTITUTION: A ceramic roll 10 is externally fitted through a necess...
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JP2004068834 |
To provide a cam follower having a roller whereto a cam abuts, capable of enhancing the resistance against seizure of the part where the roller makes slide contact with side walls.The roller 5 of the cam follower 2 is attached rotatably ...
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JP3526757 |
To simply fix a roller shaft to the support wall of a cam follower body without specially using a caulking arrangement and to smoothly slide a valve working pattern-varying selector pin inside the roller shaft in a cam flower with a roll...
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JP2004060769 |
To provide a power mechanism causing no lateral pressure to a piston.The power mechanism comprises at least one reciprocating pistons 1-4, a first surface cam 5 that is fixed to a rotating shaft parallel with the moving direction of the ...
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JP2004060797 |
To prevent occurrence of peeling in a short period of time in a roller member such as a roller cam follower of a cam device in a valve system of an engine for an automobile.The roller member is manufactured by heating a machined roller m...
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JP3522636 |
To arbitrarily adjust revolution radius in a simple structure, when driving an object to revolve it in an orbit which is not on its axis. A bearing 322a is fitted to the lower face of a support plate 310 for supporting the object. A firs...
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