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21. 发明专利

JPH11257355A SLIDING MEMBER 失效
公开(公告)号：JPH11257355A
公开(公告)日：1999-09-21
申请号：JP6343798
申请日：1998-03-13
申请人： TOYOTA MOTOR CORP , TOYOTA CENTRAL RES & DEV
发明人： MICHIOKA HIROBUMI , FUWA YOSHIO , SHIMURA YOSHIO , HOTTA SHIGERU
IPC分类号： F16C33/12 , C22C5/06 , C25D3/64 , C25D7/00
摘要： PROBLEM TO BE SOLVED: To obtain the same sliding characteristic as a material including Pb by constituting a sliding member by base material and a coated layer formed on a sliding surface of a surface of the base material, including at least one kind selected from a group made of Sn, Bi, and In the coated layer, and making the rest thereof of Ag and unavoidable impurity. SOLUTION: A sliding member is composed of a base material and a coated layer 3 formed on a sliding surface of a surface of the base material, the base material is selected according to an adapting member. In the case of a sliding bearing for an internal combustion engine, lining of a Cu-Sn alloy layer 2 is carried out on a steel back plate 1. A Ni plating layer 2' is arranged as an intermediate layer on a surface of the base material in order to improve joining of the base material and the coated layer and an anticorrosion. The coated layer 3 contains at least one kind selected from a group made of Sn, Bi, and In, and its rest part is made of Ag and an unavoidable impurity. Pb not is not contained in the coated layer 3, fatigue resistance and abrasion resistance are improved by a characteristic of Ag group, the coated layer 3 run-in with Sn, Bi, In has good lubrication and seizing resistance.

22. 发明专利

JPH10330871A SLIDING MEMBER 失效
公开(公告)号：JPH10330871A
公开(公告)日：1998-12-15
申请号：JP14825597
申请日：1997-06-05
申请人： TOYOTA MOTOR CORP , TOYOTA CENTRAL RES & DEV
发明人： MICHIOKA HIROBUMI , FUWA YOSHIO , SHIMURA YOSHIO , HOTTA SHIGERU
IPC分类号： F16C33/12 , C22C13/00 , C22C18/00 , C25D5/26
摘要： PROBLEM TO BE SOLVED: To provide a sliding member free from Pb at least in the sliding surface and capable of showing sliding characteristic equal to that of a sliding member containing Pb in the sliding surface. SOLUTION: A coating layer 3, having a composition consisting of at least Sn between Sn and In and the balance essentially Zn with inevitable impurities, is formed on the sliding surface to a mating material, at the surface of a base material. This coating layer further contains at least one element selected from the group consisting of Sb, Cu, Ag, and Au. Although this sliding member is free from Pb in the sliding surface, it shows sliding characteristic equal to that of a sliding material containing Pb in the sliding surface.

23. 发明专利

JPH07293547A BEARING DEVICE OF INTERNAL COMBUSTION ENGINE 失效
公开(公告)号：JPH07293547A
公开(公告)日：1995-11-07
申请号：JP8172794
申请日：1994-04-20
申请人： TAIHO KOGYO CO LTD , TOYOTA MOTOR CORP
发明人： KIKUCHI MASAHARU , KANAYAMA HIROSHI , HARAGUCHI FUMIO , SHIMAZAKI KEIICHI , MICHIOKA HIROBUMI , FUWA YOSHIO
IPC分类号： F16C33/10 , F16C9/04 , F16C17/24 , F16C35/02
摘要： PURPOSE:To prevent the fretting abrasion of a connecting rod made of a light alloy or an iron system sintered material. CONSTITUTION:Between the housing side surface and the bearing rear surface of a bearing 16 whose back plate 2 provided to a housing is composed of a mild steel plate, a resin film 1 having the tensile strength 8kg/mm or higher at 150 deg.C, and the thickness 5 to 200mum is placed.

24. 发明专利

JPH07252693A PLAIN BEARING HAVING COMPOSITE PLATED FILM 失效
公开(公告)号：JPH07252693A
公开(公告)日：1995-10-03
申请号：JP4697094
申请日：1994-03-17
申请人： DAIDO METAL CO LTD , TOYOTA MOTOR CORP
发明人： TANAKA TADASHI , ISHIKAWA HIDEO , MICHIOKA HIROBUMI , FUWA YOSHIO
IPC分类号： F16C33/12 , C23C18/52 , C25D15/02
摘要： PURPOSE:To improve wear resistance without deteriorating the fatigue characteristic of a tin-made or tin alloy-made surface layer. CONSTITUTION:A plain bearing has the tin or tin-base alloy composite plated film 1 containing a eutectoid inorganic material particle on the surface. The inorganic material particle dispersed in the plated film has

25. 发明专利

JPH06257613A BEARING STRUCTURE FOR CONNECTING ROD 失效
公开(公告)号：JPH06257613A
公开(公告)日：1994-09-16
申请号：JP4302393
申请日：1993-03-03
申请人： TOYOTA MOTOR CORP , NIPPON ACHISON KK
发明人： MICHIOKA HIROBUMI , FUWA YOSHIO , SUDO SHUNTARO , KAWAMURA CHOZO
IPC分类号： B32B15/082 , B32B15/08 , C08L79/08 , C09D127/12 , C09D127/18 , C22C21/00 , F16C9/04 , F16C17/24 , F16C33/12
摘要： PURPOSE:To reduce fretting abrasion even in the case that a right-allay connecting rod mainly including aluminum is used, by forming a specified coating layer between a connecting rod and a back plate of a bearing, CONSTITUTION:Semi-circular bearings 16 are arranged between a big end 15 of a connecting rod 12 and a crank shaft (not shown). A back plate 162 is superposed on an outer periphery of a semi-circular aluminum-derived bearing alloy 161. A resin coating layer 163 is laminated on the outer periphery of the back plate 162. The resin coating layer 163 is preferably made of ethylene tetrafluoride, polyamide imide, or denaturated polyamide imide. The polyamide imide or the denaturated polyamide imide is mixture of polyamide resin, n- methyl pyrolidone and xylene. Generation of fretting is thus suppressed.

26. 发明专利

JPH0476256A PISTON FOR INTERNAL COMBUSTION ENGINE 失效
公开(公告)号：JPH0476256A
公开(公告)日：1992-03-11
申请号：JP18915190
申请日：1990-07-17
申请人： TOYOTA MOTOR CORP , OSAKA GAS CO LTD
发明人： MICHIOKA HIROBUMI , FUWA YOSHIO , MIURA HIROHISA , NAKAGAWA YOSHITERU
IPC分类号： F02F3/00 , F16J9/00
摘要： PURPOSE:To improve wear resistance and prevent the generation of agglutination by constituting at least a top ring groove of ring grooves formed on the outer peripheral surface of a piston by a special carbon sintered body reinforced with carbon fibers. CONSTITUTION:With a piston 1, a top ring groove 12, a second ring groove 13, an oil ring groove 14 are formed near the the head part 11 of the outer peripheral surface of the piston 1 in order from above. In this case, only the surface part 5 of the top ring groove 1 is made of a carbon sintered body reinforced with carbon fibers. The carbon sintered body reinforced with carbon fibers is formed so that it has a structure in which carbon fibers, or inorganic minute particles consisting of carbon fibers, metals, and ceramics are integrally embedded in a carbon matrix, the carbon matrix has a mosaic structure in which fine grains having optical anisotropy under a polarizing microscope are uniformly aggregated densely, the rate of interfaces on which the carbon fibers are separated from the carbon matrix is below 10% of the total interfaces, and it has a density of 1.65 or higher.

27. 发明专利

JPH0384249A MULTIDISC TYPE LIMITED SLIP DIFFERENTIAL 失效
公开(公告)号：JPH0384249A
公开(公告)日：1991-04-09
申请号：JP21975289
申请日：1989-08-26
申请人： TOYOTA MOTOR CORP , NIPPON CARBON CO LTD
发明人： MICHIOKA HIROBUMI , FUWA YOSHIO , ONODERA MAKOTO
IPC分类号： F16H48/22
摘要： PURPOSE:To sharply improve LSD performance and to reduce the weight of the whole of an LSD by a method wherein the friction surface of at least the one of first and second friction plates is formed by using carbon fiber-reinforced resin in which carbon fiberes are contained in a mix ratio of 30 - 70 capacity%. CONSTITUTION:Thrust washers 9 mounted on the differential case side and a clutch disc 10 rotatably supported to drive axles 7 and 8 in a state to be held between a nip formed by the thrust washeres are provided between a differential case 1 and side gears 5 and 6. By sliding the thrust washers 9 and the clutch discs 10, a difference in the number of revolutions between the differential case 1 and the side gears 5 and 6 is controlled. A friction disc, formed such that the surface of a plate made of a steel is lined with carbon fiber- reinforced resin having a carbon mix ratio of 30 - 70 capacity% and a base material being epoxy resin is manufactured as the thrust washer 9 used for a multidisc type LSD.

28. 发明专利

JPH033947A PISTON FOR INTERNAL COMBUSTION ENGINE 失效
公开(公告)号：JPH033947A
公开(公告)日：1991-01-10
申请号：JP13719689
申请日：1989-05-30
申请人： TOYOTA MOTOR CORP
发明人： MICHIOKA HIROBUMI , FUWA YOSHIO
IPC分类号： F02F3/00 , F16J9/00
摘要： PURPOSE:To improve the abrasion resistance and aluminum adhesion resistance of a piston ring groove section by using an Al-Si alloy for a piston base material, casting the piston groove section with a low-Si Al-Mg alloy, and forming an alumite layer on at least upper and lower faces of the inside of the groove section. CONSTITUTION:A piston base material 1 is formed with an Al-Si based aluminum alloy casting. The inner periphery of a top ring groove section 6 receiving a compression ring is constituted with a cast material 10 made of a low-Si high-strength Al-Mg based aluminum alloy expanded material containing Si 0.4 wt.% or below. An alumite layer 11 processed with positive electrode oxidation is formed on the upper face 6A, lower face 6B and inner rear face 6C of the groove section 6. The abrasion resistance of the piston ring groove section is remarkably improved as compared with that not using the cast material, and the aluminum adhesion resistance is sharply improved.

29. 发明专利

JPH01230738A ALUMINUM ALLOY COMPOSITE MATERIAL 失效
公开(公告)号：JPH01230738A
公开(公告)日：1989-09-14
申请号：JP5587288
申请日：1988-03-09
申请人： TOYOTA MOTOR CORP
发明人： HAMASHIMA KANEO , TANAKA ATSUO , DONOMOTO TADASHI , FUWA YOSHIO , MICHIOKA HIROBUMI
IPC分类号： B22D19/14 , C22C21/00 , C22C47/00 , C22C49/00 , C22C49/06
摘要： PURPOSE:To improve the wear resistance and high temp. cohesion resistance of the title material by finely dispersing specific volume rate of intermetallic compound between Al and other prescribed metallic elements into an Al alloy as the matrix. CONSTITUTION:In the Al alloy composite material in which short fiber, whisker or grains are regulated to the reinforcing material, an intermetallic compound between Al and one or more kinds of metallic elements selected from the group of Fe, Ni, Co, Cr, Cu, Mn, Mo, V, W, Ta, Nb, Ti and Zr is finely dispersed into an Al alloy as the matrix. The volume rate of the intermetallic compound in the matrix is regulated to 5-70%. The composite material can be obtd. by pouring the molten metal of the Al alloy into a porous molded body contg. alumina short fiber, Ni powder, etc., and subjecting it to pressurizing, solidifying, etc.

30. 发明专利

JPH01142215A SUPERCHARGER FOR INTERNAL COMBUSTION ENGINE 失效
公开(公告)号：JPH01142215A
公开(公告)日：1989-06-05
申请号：JP30069887
申请日：1987-11-28
申请人： TOYOTA MOTOR CORP
发明人： MICHIOKA HIROBUMI , FUWA YOSHIO , KATO SHINJI , KAIDO MASATAKA , UENO KENJI
IPC分类号： F16C17/02 , F02B39/00 , F16C33/12 , F16C33/28
摘要： PURPOSE:To improve an abrasion resistance and a seizure resistance by forming a floating bearing for supporting rotatably a shaft for connecting turbine blades to compressor blades, with a carbon fiber/carbon composite. CONSTITUTION:A supercharger 5 for an internal combustion engine comprises turbine blades 1 and compressor blades (drawing omitted) accommodated in a casing 3 and the turbine blades 1 and compressor blades are connected together by a shaft 2 made of ceramics. A bearing 4a for rotatably supporting this aggregate and the shaft 2 in the casing 3 is formed of carbon fibers/carbon composite (c/c composite). This c/c composite is made of a fiber reinforced carbon material in which the carbon is used as a matrix and carbon fibers are used as the fibers for reinforcement, and formed after carbon fibers are impregnated with resin and carbonated. After that, it is produced by heightening its density and by black smoking it as desired.

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