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Masaaki Sakamoto Patents
Inventor:
Sakamoto; Masaaki
Address:
Aichi, JP
No. of patents:
78
Patents:


1 2


Patent Number Title Of Patent Date Issued
RE39613 Half bearing with grooves preventing leakage of lubricating oil May 8, 2007
A half bearing constituting a cylindrical plain bearing for supporting a shaft for rotation when two of the half bearings are combined together. The half bearing has two circumferential ends each of which has a plurality of circumferential grooves without formation of any crush relie
7234870 Plain bearing June 26, 2007
A plain bearing comprising a housing and two plain bearing halves forming a cylindrical shape in combination and fixed in the housing. Each of the plain bearing halves has crush reliefs formed at both ends of an inner circumferential surface thereof in a circumferential direction, an oil
7128981 Sliding member October 31, 2006
Disclosed is a sliding member including an overlay layer made of a Bi based alloy comprising Cu as an essential element and at least one element selected from the group of Sn and In, wherein the Bi based alloy comprises 0.1 to 10 mass % of Cu and 0.5 to 10 mass % in total of the at l
7074496 Multilayer aluminum-base alloy slide member July 11, 2006
A multilayer aluminum-base alloy bearing formed by bonding a bearing alloy layer made of an aluminum-base alloy to a steel back metal through an intermediate layer made of an aluminum-base alloy, the intermediate layer being composed of two layers, that is, a lower layer and an upper lay
7063897 Slide member June 20, 2006
A Bi base material of which a Miller index (202) face has the index of orientation of not less than 30% and in which the (202) face has the index of orientation assuming a maximum value as compared with those of other faces forms a minute structure and has a surface which is not a mi
7041387 Multi-layered aluminum-base bearing May 9, 2006
Disclosed is a multi-layered Al-base bearing consisting of a steel back layer, an intermediate Al alloy layer and an Al-base bearing alloy layer which contains one or more elements selected from the group of Cu, Zn, Mg and Si, and which is bonded to the steel back layer via the intermedi
6997612 Sliding member February 14, 2006
An overlay layer is formed on a bearing alloy layer via an intermediate layer. The overlay layer consists of Bi or a Bi alloy, and 0.05 to 25 vol % of hard particles. While the overlay layer is made of Bi or a Bi alloy, wear resistance thereof can be improved by adding the hard particles
6875290 Aluminum bearing-alloy April 5, 2005
An aluminum bearing-alloy containing 1.5 to 8 mass % of Si is provided, in which there can be observed Si grains on the sliding surface of the aluminum bearing-alloy. A fractional area of the observed Si grains having a grain size of less than 4 .mu.m is 20 to 60% of a total area of all
6863441 Sliding member March 8, 2005
There is provided a sliding member comprising a bearing alloy layer and an overlay layer bonded to the bearing alloy layer which overlay layer is made of Bi having a crystal grain density of 50 to 300 pieces/100 .mu.m.sup.2. The overlay layer may be made of a Bi-base alloy containing
6740426 Sliding member with composite plating film May 25, 2004
Disclosed is a sliding member having a bearing alloy layer and a composite plating film provided on the bearing alloy layer. The composite plating film is made of a lead alloy containing 0.1 to 10 mass percent in total of copper and 0.3 to 25 volume percent in total of co-deposited inorg
6695482 Half bearing with grooves preventing leakage of lubricating oil February 24, 2004
A half bearing constituting a cylindrical plain bearing for supporting a shaft for rotation when two of the half bearings are combined together. The half bearing has two circumferential ends each of which has a plurality of circumferential grooves without formation of any crush relief
6137391 Flux-controlled type variable transformer October 24, 2000
A flux-controlled variable transformer can control voltage at a high speed without using any voltage adjusting tap. The transformer has a first and second magnetic circuits. The first magnetic circuit is composed of a first and second U-cut cores (13 and 11) which contact at their cut en
5906311 Secondary coil plate for linear motor and producing method of the same May 25, 1999
A surface metal plate 2 made of aluminium or aluminium alloy is overlayed upon a backing metal plate 1 and integrally bonded by cold rolling bonding of a rolling machine 30. After that, the thus obtained composite metal plate 3 is annealed, so that the bonding strength between a surface
5895516 Bearing alloy for high-temperature application April 20, 1999
A bearing alloy for high-temperature application essentially consisting of, by weight, 2 to 8% Cr, 2 to 10% Fe, 0.1 to 1.5% Si, 2 to 22% Co, 1.4 to 11% Mo, and the balance of Ni and unavoidable impurities, and having a structure in which hard particles of a Co--Mo--Cr--Si-system intermet
5846347 Aluminum base alloy bearing having superior load-resistance and method of producing the same December 8, 1998
A multi-layered bearing having superior load-resistance comprises an aluminium base bearing alloy layer and a backing metal layer. The bearing alloy consists essentially of, by weight, 2-8% zinc, 0.1-8% silicon, 0.1-3% copper, 0.05-3% magnesium and the balance of aluminium. The bearing
5666644 Multilayered end bearing September 9, 1997
An end bearing used in an automatic transmission gear having a one-way clutch mechanism having multi-layers comprising a back metal, a copper alloy layer, a tin layer having a thickness of 0.5 to 4 .mu.m and a Cu-Sn intermetallic compound layer having a thickness of 0.5 to 4 .mu.m and
5665480 Copper-lead alloy bearing September 9, 1997
A copper-lead alloy bearing having a high corrosion resistance, especially a high corrosion resistance to sulfur, comprising a back metal and a copper-lead-based bearing alloy bonded thereto. The copper-lead-based bearing alloy consists of more than 10 but not more than 20% Ni, 0.5 to 8%
5654107 Wear resisting aluminum alloy composite material August 5, 1997
A wear resisting aluminum alloy composite material consisting of 10 to 40% by volume of a hybrid compact and the balance substantially an aluminum alloy matrix, wherein the hybrid compact contains 85 to 95% by weight of an inorganic whisker which is 0.2 to 1.2 .mu.m in diameter and 10 to
5618873 Sliding member April 8, 1997
A sliding member obtained by molding a resin composition comprising an aromatic polyamide fiber, a polytetrafluoroethylene, a lead oxide and at least one other heat resistant synthetic resin, the aromatic polyamide fiber being in a proportion of 10 to 30% by volume based on the total
5584346 Control system for a motor grader December 17, 1996
A motor grader includes a work implement operating device which permits operation of a plurality of direction control valve with reduced number of operation levers. The motor grader includes a wheeled body for traveling and carrying at least one work implement, at least one operation lev
5545489 Multi-layer sliding bearing having excellent fretting property August 13, 1996
A multi-layer sliding bearing having an excellent anti-fretting property, comprises a back steel layer, and a bearing alloy layer formed on the back steel layer. A film of phosphate having a thickness of 0.1-15 .mu.m is formed on a back surface of the back steel layer, thereby enhancing
5545249 Sintered bearing alloy for high-temperature application and method of manufacturing an article o August 13, 1996
A sintered bearing alloy for high-temperature application containing from more than 5 to 10 weight percent h-BN particles having a size of 100 to 500 .mu.m, which are dispersed in the matrix of stainless steel. Granulated h-BN powder is mixed with austenitic stainless steel powder and
5543236 Multi-layered slide bearing material August 6, 1996
A bearing material is produced by forming a Cu-Pb-system or Pb-bronze-system bearing alloy layer on a steel plate optionally plated with Cu, and forming a Pb alloy overlay containing Zn on the bearing alloy layer so as to enhance corrosion resistance and conformability of the bearing
5525294 Aluminum alloy for sliding materials June 11, 1996
An aluminum alloy for sliding materials consists, by weight, of Si of not less than 8% but less than 15%, 1 to 5% Cu, 0.1 to 2% Mg, 1 to 6% Sn, and optionally 0.5 to 3% Pb, and the balance Al and incidental impurities. This aluminum alloy for sliding materials exhibits high toughness wit
5512242 Tin-base white metal bearing alloy excellent in heat resistance and fatigue resistance April 30, 1996
A tin-base white metal bearing alloy essentially consists of, by weight, more than 3% and up to 15% Sb, more than 2% and up to 10% Ni, more than 0.001% and up to 1% Cr, up to 9% Cu, and balance of Sn and incidental impurities. Since Ni increases the strength at high temperature and the
5489487 Cu-Pb alloy bearing February 6, 1996
A multi-layer bearing consists of a backing steel plate, a layer of Cu--Pb bearing alloy comprising, by weight, 1 to 20% of Ni and containing Pb-phase grains dispersed in the matrix, and an overlay of Pb alloy containing In. In in the overlay is diffused into the Pb-phase grains in t
5482782 Sliding-contact material excellent in corrosion resistance and wear resistance, and method of ma January 9, 1996
A sliding-contact material comprising a backing steel plate optionally plated with Cu, and a layer of sintered copper alloy formed on one of the surfaces of the backing steel plate, wherein the layer of sintered copper alloy consists essentially of 4 to 20 wt % Sn, 1 to 10 wt % Ni, 0.05
5470666 Aluminum base alloy bearing having superior fatigue resistance November 28, 1995
In an aluminum base alloy bearing, the effect of reinforcement of an aluminum base bearing alloy layer by an intermediate bonding layer is enhanced, thereby enhancing a fatigue resistance of the aluminum base bearing alloy layer. The aluminum base alloy bearing comprises a back metal
5466538 Multi-layer sliding member November 14, 1995
There is disclosed a multi-layer sliding member having a back metal and a Cu--Zn-based alloy layer bonded to the back metal with a sufficiently high bonding strength. A method of producing such a sliding member is also disclosed. The multi-layer includes a back metal, a brazing material
5466538 Multi-layer sliding member November 14, 1995
There is disclosed a multi-layer sliding member having a back metal and a Cu--Zn-based alloy layer bonded to the back metal with a sufficiently high bonding strength. A method of producing such a sliding member is also disclosed. The multi-layer includes a back metal, a brazing material
5453244 Aluminum alloy bearing September 26, 1995
There is disclosed a novel aluminum alloy bearing which exhibits a more excellent fatigue resistance than conventional bearings even under such conditions of use as at a high temperature and under a high load. The aluminum alloy bearing has an aluminum bearing alloy layer containing, by
5445896 Sliding bearing material including overlay having excellent anti-seizure property August 29, 1995
A sliding bearing material of a three-layer structure includes a back steel layer, a bearing alloy layer, and an overlay formed by sputtering. The overlay has an excellent anti-seizure property, and the overlay contains, by weight, 10-80% Sn, 0.1-5% Cu, 0.05-3% Sb, and the balance Al.
5434012 Multilayer slide bearing and bearing assembly July 18, 1995
A slide bearing which is preferably used in combination with a low-rigid aluminum alloy housing. The slide bearing has a high coefficient of thermal expansion so that it can satisfactorily follow up deformation of the housing, and the bearing also has an excellent heat radiation prop
5432013 Sliding bearing for light alloy housing July 11, 1995
A sliding bearing has a back metal made of a copper alloy which has a high followability with respect to deformation of a light alloy housing, and with this construction, the sliding bearing is excellent in fretting resistance and migration resistance. The multi-layer sliding bearing for
5429876 Copper-lead based bearing alloy material excellent in corrosion resistance and a method of produ July 4, 1995
Disclosed is a copper-lead based bearing material having excellent corrosion resistance, comprising a steel back metal and a bearing layer of a copper-lead based bearing alloy, the latter consisting essentially, by weight, 0.5 to 10% Bi, 0.5 to 8% Sn, 15 to 30% Pb, 2 to 10% Ni, not g
5424138 Copper-alloy slide bearing for low-rigidity housing and method for producing same June 13, 1995
A copper-alloy slide bearing for a low-rigidity housing having a three-layer structure of a steel back-metal, a copper-alloy layer and an overlay, the back metal containing 0.03 to 0.26% by weight of carbon. During the production of the slide bearing, a bimetal is prepared in such a
5413875 Copper alloy sliding bearing with high-strength back metal May 9, 1995
A copper alloy sliding bearing of a three-layer structure comprises a steel back metal layer of a high strength, a copper alloy layer, and an overlay. The steel back metal layer contains 0.15-0.26% by weight of carbon, and the steel back metal layer has a 0.2% yield strength of not less
5393395 Method of surface-treating a half sliding bearing and apparatus for same February 28, 1995
An apparatus and a method of surface-treating a half sliding bearing, the method comprising the steps of: preparing a tank which accommodates a surface-treatment solution and an anode of an alloy to be applied to the bearings as a surface treatment; successively and one by one introducin
5384205 Multi-layer slide bearing having Al-Sn alloy layer with high fatigue strength and conformability January 24, 1995
A multi-layer bearing having an Al--Sn bearing alloy layer which has high fatigue strength and good conformability with a mating member further comprising a backing steel plate and an intermediate bonding layer of another aluminum alloy. The Al--Sn alloy consists essentially of, by w
5382144 Oldham ring of scroll type compressor January 17, 1995
Wear resistance, seizure resistance, durability and corrosion resistance of an Oldham ring made of an aluminum alloy engaging with a swivel scroll made of an aluminum alloy are improved. The Oldham ring comprises a substrate made of an Al--Si alloy which has a light weight and a high
5364523 Method of electroplating half sliding bearings November 15, 1994
An apparatus and a method of surface-treating a half sliding bearing, the method comprising the steps of: preparing a tank which accommodates a surface-treatment solution and an anode of an alloy to be applied to the bearings as a surface treatment; successively and one by one introducin
5362574 Multilayer aluminum-based alloy bearing having superior compatibility and superior fatigue resis November 8, 1994
A multilayer aluminum-based alloy plain bearing having superior compatibility and superior fatigue resistance, comprising a steel back metal, an aluminum alloy intermediate bonding layer bonded to the steel back metal, and an Al--Sn--Si family bearing alloy layer bonded to the interm
5352541 Sliding member made of aluminum bearing alloy having excellent anti-seizure property October 4, 1994
An aluminum bearing alloy sliding member excellent in anti-seizure property, of which sliding surface is coated with a film of aluminum fluoride or manganese phosphate formed by a chemical conversion process and having a thickness ranging from 0.1 .mu.m to 10 .mu.m.
5346668 Copper based alloy for wear resistant sliding layer and sliding member September 13, 1994
A Cu-based wear-resistant alloy of a sliding material consists essentially of, by weight, 10-35% Zn, 2-20% Pb, 1-10% Ni, 0.1-1% B and, as required, 0.5-10% of Sn. The alloy can be used under severe conditions of use at elevated speed and temperature with reduced risk of seizure and corro
5334460 CU-PB system alloy composite bearing having overlay August 2, 1994
A Cu-Pb system composite bearing has three layers including a backing metal, a bearing alloy layer formed on the backing metal, and an overlay formed on the bearing alloy layer. The Cu-Pb bearing alloy contains 2 to 10% Ni and 0.05 to 1.0% B. An example of the composition of the Cu-Pb
5328772 Multilayer sliding material for high-speed engine and method of producing same July 12, 1994
A multilayer sliding material for high-speed engine, comprising a steel back metal, a Cu or Cu-base alloy plating layer, a Cu-Pb bearing alloy layer, and an overlay, said steel back metal having 155 or more of Vickers hardness and 42 kgf/mm.sup.2 or more of 0.2% yield strength, a Cu-Pb
5298336 Multilayer composite sliding material having excellent seizure resistance property March 29, 1994
The present invention provides a multilayer composite sliding material with excellent seizure resistance property having a steel plate or a steel plate having surfaces plated with copper or the like; a bond layer having a thickness of 0.05 to 0.5 mm, formed on the steel plate, and made o
5298052 High temperature bearing alloy and method of producing the same March 29, 1994
An Ni-based bearing alloy consisting, by weight, of 9-30% Cr, 5-19% Fe, 0.1-1.5% Si, 2-22% Co, 1.4-11.0% Mo, and the balance Ni and incidental impurities, said alloy having a matrix in which hard particles of a Co-Mo-Cr-Si alloy and/or BN are uniformly dispersed in weight ratios of 5
5275543 Oldham ring of scroll type compressor January 4, 1994
An Oldham ring of a scroll type compressor having a swivel scroll of aluminum alloy. The Oldham ring is of cast aluminum alloy and has a pair of projections (a) serving to engage with a pair of guide grooves formed in a surface of the swivel scroll adjacent to a crankshaft. Sliding s
5256494 Sliding member with a sintered copper alloy layer October 26, 1993
The sliding member of the invention comprises a steel backing and a sintered Cu-alloy layer mounted integrally on one surface of the backing metal, wherein the sintered Cu-alloy comprises 1 to 15% Sn, 1 to 20% Ni-B compound, 1% or less phosphorus, and the balance of Cu and impurities.
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