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1. 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.

2. 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.

3. 发明专利

JPH10330868A COPPER-BASE SINTERED ALLOY 失效
公开(公告)号：JPH10330868A
公开(公告)日：1998-12-15
申请号：JP14637497
申请日：1997-06-04
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： C22C1/04 , B22F5/00 , C22C9/00 , F16C33/12
摘要： PROBLEM TO BE SOLVED: To obtain a copper-base sintered alloy having, in a Pb-free state, sliding characteristic equal to that of a Cu-Pb sintered alloy by specifying a composition consisting of a bismuth phase composed of bismuth or bismuth-base alloy, a copper phase composed of copper or copper-base alloy, and inevitable impurities. SOLUTION: A composition, which consists of, by weight, 5-50% of bismuth phase 1, composed of Bi or Bi-base alloy, and the balance copper phase 2, composed of Cu or Cu-base alloy, with inevitable impurities, is provided, by which the copper-base sintered alloy which is useful as a sliding material and free from Pb harmful to the global atmosphere is obtained. It is preferable that the above Bi phase is composed of a Bi alloy containing one or more kinds among

4. 发明专利

JPH1150296A SLIDING MEMBER 失效
公开(公告)号：JPH1150296A
公开(公告)日：1999-02-23
申请号：JP6342898
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 , C22C12/00 , C25D5/26 , C25D7/00
摘要： PROBLEM TO BE SOLVED: To obtain a sliding member capable of showing slidability equal to that of the one contg. Pb in the sliding face contg. no Pb by providing the sliding face with an opposite material in the surface of a base material with a coating layer contg. Sn, In or Ag, and the balance Bi with inevitable impurities. SOLUTION: On the sliding face of a base material composed by lining a back plate 1 made of steel with a Cu-Sn alloy layer 2, preferably, as an intermediate layer, an Ni plating layer 2' is formed, and, on the surface, a coating layer 3 contg. at least one kind among, by weight, 0.1 to 25% Sn, 0.1 to 10% In and 0.5 to 10% Ag, and the balance substantial Bi with inevitable impurities is formed. This coating layer 3 is formed, preferably, by subjecting the surface of the base material to plating treatment by electroplating, chemical plating, a PVD method or the like, and, its thickness is suitably regulated to about 1.0 to 30 μm. Even though the coating layer 3 composed of the Bi alloy does not contain Pb, it is excellent in fitness, seizure resistance, lubricity and wear resistance and has suitable hardness.

5. 发明专利

JP2001020955A SLIDING BEARING 失效
公开(公告)号：JP2001020955A
公开(公告)日：2001-01-23
申请号：JP19397099
申请日：1999-07-08
申请人： TAIHO KOGYO CO LTD , TOYOTA MOTOR CORP , TOYOTA CENTRAL RES & DEV
发明人： TOMIKAWA TAKASHI , MICHIOKA HIROBUMI , FUWA YOSHIO , SHIMURA YOSHIO , HOTTA SHIGERU
IPC分类号： C22C12/00 , C25D3/54 , C25D7/10 , F16C9/02 , F16C33/12
摘要： PROBLEM TO BE SOLVED: To provide a Bi system material furnished with fatigue resistance and conformability required as an overlay for a sliding bearing of an internal combustion engine. SOLUTION: Relative X-ray diffraction intensity I[hkl], that is, I[hkl]=K(hkl)/ K(012) of a ratio K(hkl) of X-ray diffraction intensity on a hkl} plane against a ratio K(012) of X-ray diffraction intensity on a 012} surface satisfies conditions (a) and (b) by expressing a ratio of X-ray diffraction intensity Ro/t(hkl) of a hkl} surface of Bi crystal constituting an overlay layer to X-ray diffraction intensity Rp(hkl) of the hkl} surface of the Bi crystal constituting a powder standard sample to be random orientation as K(hkl)=Ro/t(hkl)/Rp(hkl). (a) 0.2I[012]

6. 发明专利

JPH04236297A ANTI-SEIZING MEMBER 失效
公开(公告)号：JPH04236297A
公开(公告)日：1992-08-25
申请号：JP1943391
申请日：1991-01-18
申请人： TOYOTA MOTOR CORP , TOYOTA CENTRAL RES & DEV
发明人： MIYAMOTO NORITAKA , AOYAMA SATOSHI , KOYAMA HARATSUGU , MICHIOKA HIROBUMI , ITO YOSHIHIKO , HIOKI TATSUMI
IPC分类号： C10M103/02 , C10M103/04 , C10N10/08 , C10N10/16 , C10N30/08 , C10N40/02 , C10N50/08 , F16C33/10 , F16C33/12
摘要： PURPOSE:To provide an anti-seizing sliding member having an improved anti- seizing property and exhibiting a stable bearing performance for the high load operation of the recent automotive engines. CONSTITUTION:Since a hard thin film layer having a low friction coefficient and a high hardness is formed on a Pb-Sn alloy overlay layer formed on the sliding surface of a matrix, the hard thin film layer divided by a sliding action with the other shaft is sunk in the overlay layer to prevent the abrasion of the overlay plated layer and increase the seizing resistance, consequently permitting to provide the anti-seizing sliding member exhibiting an excellently durable and stable bearing performance even on a high load operation.

7. 发明专利

JP2010281355A Rotating shaft supporting structure 有权
标题翻译：旋转轴支撑结构
公开(公告)号：JP2010281355A
公开(公告)日：2010-12-16
申请号：JP2009133814
申请日：2009-06-03
申请人： Nippon Soken Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社日本自動車部品総合研究所
发明人： KATAOKA TAKUMI , MICHIOKA HIROBUMI
IPC分类号： F16C41/00 , F16C3/14 , F16C9/02 , G01B7/06
摘要： PROBLEM TO BE SOLVED: To provide a rotating shaft supporting structure which improves the detection accuracy of the thickness of an oil film interposed between the sliding surfaces of a rotating shaft and a sliding bearing and which improves reliability. SOLUTION: A crank shaft of an internal combustion engine is supported rotatably by a cylinder block and a crank cap attached integrally with this cylinder block via a bearing metal consisting of an upper metal and a lower metal 8. The oil film A is interposed between the journal 22 of the crank shaft and the sliding surfaces of the metals. A detection device, which detects the thickness of the oil film A, has a pair of electrodes 91, 92. One electrode 91 is formed on the sliding surface of the lower metal 8. The one electrode 91 is structured as a thin film electrode having an insulation layer 91b, an electrode layer 91a, and a protective layer 91c. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决的问题：提供一种旋转轴支撑结构，其提高插入在旋转轴的滑动面和滑动轴承之间的油膜的厚度的检测精度，并且提高可靠性。解决方案：内燃机的曲轴通过由上金属和下金属8组成的轴承金属的气缸体和与该气缸体一体地连接的曲柄盖可旋转地支撑。油膜A为插入在曲轴的轴颈22和金属的滑动表面之间。检测油膜A的厚度的检测装置具有一对电极91,92。一个电极91形成在下部金属8的滑动面上。一个电极91构成为具有绝缘层91b，电极层91a和保护层91c。版权所有（C）2011，JPO＆INPIT

8. 发明专利

JP2010180834A Cylinder block for internal combustion engine 审中-公开
标题翻译：用于内燃机的气缸组
公开(公告)号：JP2010180834A
公开(公告)日：2010-08-19
申请号：JP2009026635
申请日：2009-02-06
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： MICHIOKA HIROBUMI
IPC分类号： F02F7/00
摘要： PROBLEM TO BE SOLVED: To change opening of a through-hole 11 in response to an engine operating condition in a cylinder block 1 for an internal combustion engine provided with the through-hole 11 in a partition wall 6 partitioning between adjacent crank chambers 8.
SOLUTION: The through-hole 11 is provided with an adjusting member 12 for changing opening of the through-hole 11. Posture of the adjusting member 12 is controlled by a driving source 14 in response to the engine speed. With this structure, the moving quantity of a fluid through the through-hole 11 can be optionally changed.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了在设置有通孔11的内燃机用气缸体1中的发动机工作状态下，在分隔壁6之间分隔贯通孔11的开口部腔室8.解决方案：通孔11设置有用于改变通孔11的开口的调节构件12.调节构件12的姿势由驱动源14响应于发动机转速来控制。通过这种结构，可以可选地改变通过通孔11的流体的移动量。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2006274919A Cylinder block 有权
标题翻译：气缸块
公开(公告)号：JP2006274919A
公开(公告)日：2006-10-12
申请号：JP2005094729
申请日：2005-03-29
申请人： Nippon Soken Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社日本自動車部品総合研究所
发明人： SERAI TETSURO , KATAOKA TAKUMI , MICHIOKA HIROBUMI
IPC分类号： F02F1/14 , F01P3/02
摘要： PROBLEM TO BE SOLVED: To provide a cylinder block implementing desired cooling performance.
SOLUTION: The cylinder block 1 has a cylinder bore 11 brought into slide-contact with a piston 12 and constituting a combustion chamber 11, and a water jacket 3 cooling the cylinder bore 11. The cylinder block 1 is provided with a plurality of movable fins 3 abutted on/separated from an outer periphery 4 of the cylinder bore.
COPYRIGHT: (C)2007,JPO&INPIT

10. 发明专利

JP2006057536A Cylinder block 有权
标题翻译：气缸块
公开(公告)号：JP2006057536A
公开(公告)日：2006-03-02
申请号：JP2004240311
申请日：2004-08-20
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： MICHIOKA HIROBUMI
IPC分类号： F02F1/18 , F02B75/26 , F02F1/00 , F02F7/00
CPC分类号： F02F7/0019
摘要： PROBLEM TO BE SOLVED: To provide a cylinder block for suitably reducing piston slaps.
SOLUTION: The cylinder block 11 has a plurality of cylinder liners 21-24 in which pistons are reciprocatingly stored. Each piston is connected to a crank pin of a crank shaft 16 via a connecting rod. With the top dead center of the piston as a reference, a thrust side is set where the crank pin is located before the piston gets to the top dead center and an antithrust side is set where the crank pin is located after the piston gets to the top dead center. The all cylinder liners 21-24 have center lines L intersecting a rotating center R of the crank shaft 16 or eccentricity from the rotating center R to the antithrust side. The all cylinder liners 21-24 are at least two types of cylinder liners whose center lines L have mutually different eccentricity amounts e1-e4 from the rotating center R.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于适当减小活塞打击的气缸体。气缸体11具有多个气缸套21-24，其中活塞往复运动。每个活塞通过连杆连接到曲轴16的曲柄销上。以活塞的上止点作为参考，在活塞到达上止点之前，将曲轴销定位在推力侧，并且在活塞到达上止点之后，将反转轴置于曲柄销所在的位置上死点。所有气缸套21-24具有与曲轴16的旋转中心R相交的中心线L或从旋转中心R到反转轴侧的偏心。所有气缸套21-24是至少两种类型的气缸套，其中心线L与旋转中心R具有相互不同的偏心量e1-e4。版权所有（C）2006，JPO和NCIPI

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