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21. 发明专利

JP2003319620A Method of manufacturing motor rotor 有权
标题翻译：制造电机转子的方法
公开(公告)号：JP2003319620A
公开(公告)日：2003-11-07
申请号：JP2002116256
申请日：2002-04-18
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： TAKETSUNA YASUHARU , SATO HIROSHI , NISHIKUMA YASUSHI
IPC分类号： H02K1/02 , H02K1/27 , H02K15/02 , H02K15/03
CPC分类号： Y02T10/641
摘要： PROBLEM TO BE SOLVED: To provide a motor rotor in which a clearance is not created between a rotor core and a magnet. SOLUTION: A method of manufacturing a motor rotor includes a process for preparing a green compact 23 which contains first powder 21 serving as a rotor core, and second powder 22 coming into contact with the first powder 21 and forming a magnet, and which is formed of the first powder 21 and the second powder 22 compressed and molded in contact with each other, and a process for sintering the green compact 23. The process for preparing the green compact 23 includes a process for molding a rotor core part 25 having an aperture by compressing the first powder 21, a process for charging the second powder 22 into the aperture in the rotor core part 25, and a process for preparing the green compact 23 including a magnet 26 having the rotor core part 25, and the second powder 22 by compressing the rotor core part 25 and the second powder 22. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种其中在转子芯和磁体之间不产生间隙的电动机转子。解决方案：一种制造电动机转子的方法包括制备生坯23的方法，其包含用作转子芯的第一粉末21和与第一粉末21接触并形成磁体的第二粉末22，以及其由彼此压缩和模制的第一粉末21和第二粉末22形成，以及烧结生坯23的方法。制备生坯23的方法包括：转子芯部分25的模制方法通过压缩第一粉末21具有孔径，将第二粉末22装入转子芯部分25中的孔中的方法，以及制备包括具有转子芯部分25的磁体26的生坯23的工艺，第二粉末22通过压缩转子芯部分25和第二粉末22。版权所有（C）2004，JPO

22. 发明专利

JPH10299794A VISCOUS COUPLING 失效
公开(公告)号：JPH10299794A
公开(公告)日：1998-11-10
申请号：JP11891097
申请日：1997-04-22
申请人： TOYOTA MOTOR CORP
发明人： NISHIKUMA YASUSHI , KAWASE MASAO , MATSUNAMI TATSUYA , OZAKI TOSHIAKI , KANOU CHIKAYUKI , ICHIKAWA MASAHIKO
IPC分类号： F16D35/00
摘要： PROBLEM TO BE SOLVED: To provide a viscous coupling capable of restraining deviation of axes in the radial direction of a hub and an inner plate, vibration and noise in rotation. SOLUTION: A viscous coupling is provided with a hub 11 on which an external tooth 21 is formed, a casing arranged on the outer peripheral side of the hub 11 so as to be relatively rotated, and in which the inner tooth is formed in the inner peripheral surface, a plurality of inner plates 22 on which the inner tooth 23 to be spline-fitted to the outer tooth 21 of the hub 21, and a plurality of outer plates alternately arranged with a plurality of inner plates 22. The tooth bottom surface 23A of the inner tooth 23 of the inner plate 22 is set by taking the tip surface 21A of the outer tooth 21 of the hub 11 as a reference.

23. 发明专利

JPH10292830A VISCOUS COUPLING AND DESIGNING METHOD THEREFOR 失效
公开(公告)号：JPH10292830A
公开(公告)日：1998-11-04
申请号：JP11517097
申请日：1997-04-17
申请人： TOYOTA MOTOR CORP
发明人： NISHIKUMA YASUSHI , KAWASE MASAO , MATSUNAMI TATSUYA , OZAKI TOSHIAKI
IPC分类号： F16D35/00
摘要： PROBLEM TO BE SOLVED: To increase generating torque at the time of a differential revolution, miniaturize a coupling and make the coupling light in weight by setting a ratio of whole capacity of a through path of a torque transmission member and volume of gas of a viscous fluid chamber to a prescribed value based on the filling factor of viscous fluid of the viscous fluid chamber. SOLUTION: A viscous fluid chamber B1 is maintained in a fluid-tight state by a sealing device between a front cover 3 and a hub 5 and between a rear cover 4 and the hub 5. Silicone oil 16 is filled with a prescribed filling factor in the internal space. In the internal space of the viscous fluid chamber B1 , an outer plate 9, an inner plate 8, a spacer ring 14 and a pressure receiving plate 15 are arranged, air is held in the slit of the outer plate 9 as a through path, air is interposed between the surfaces of the plates 8, 9 and oil 16 and the whole capacity of the slit is determined based on the filling factor of oil 16. Therefore, gas is interposed between a torque transmission member and viscous fluid, the prevention of a shearing action on viscous fluid and reduction of surface area of the torque transmission are prevented and large torque can be generated at the time of a differential revolution.

24. 发明专利

JPH10281186A VISCOUS COUPLING 失效
公开(公告)号：JPH10281186A
公开(公告)日：1998-10-20
申请号：JP10386197
申请日：1997-04-07
申请人： TOYOTA MOTOR CORP , VISCODRIVE JAPAN KK
发明人： ICHIKAWA MASAHIKO , HAMANO HIDEO , KANOU CHIKAYUKI , ASHIDA SATOSHI , KINOSHITA TOMONORI , MATSUNAMI TATSUYA , KAWASE MASAO , OZAKI TOSHIAKI , NISHIKUMA YASUSHI , OSHIMA FUMIO
IPC分类号： F16D35/00
摘要： PROBLEM TO BE SOLVED: To provide a viscous coupling capable of promoting a function to introduce viscous fluid between outer and inner plates and suppressing the fluctuation of transmission torque due to the change of a total rotation speed. SOLUTION: A viscous coupling comprises a rotatable casing; a hub rotatably arranged at the internal part of the casing; a viscous fluid chamber formed between the casing and a hub and filled with viscous fluid; a disc-like outer plate 14 arranged in the viscous fluid chamber and attached to the casing; and a disc-like inner plate arranged in the viscous fluid chamber and attached to the hub. In the viscous coupling wherein a slit 19 opened to the inner peripheral end of the inner plate 14 and a hole 21 extending through in the direction of the thickness of the outer plate 14 are formed in the outer plate 14, the holes 21 are formed closer to the outer peripheral side than the slits 19.

25. 发明专利

JPH10281185A MEASURING METHOD FOR BALANCE OF VISCOUS COUPLING 失效
公开(公告)号：JPH10281185A
公开(公告)日：1998-10-20
申请号：JP10821897
申请日：1997-04-10
申请人： TOYOTA MOTOR CORP
发明人： OZAKI TOSHIAKI , KAWASE MASAO , NISHIKUMA YASUSHI , MATSUNAMI TATSUYA , ASHIDA SATOSHI , KINOSHITA TOMONORI
IPC分类号： F16D35/00
摘要： PROBLEM TO BE SOLVED: To provide a measuring method for the balance of a viscous coupling capable of improving balance measuring precision of the viscous coupling as much as possible. SOLUTION: This viscous coupling 1 comprises a casing 2; a hub 5 arranged internally of the casing 2; a viscous fluid chamber B1 formed between the casing 2 and the hub 5; an outer plate 9 arranged in the viscous fluid chamber B1 and attached to a casing 2; an inner plate 8 arranged in the viscous fluid chamber B1 and attached to the hub 5; and silicone oil with which the viscous fluid chamber B1 is filled. The viscous coupling is held and the balance of the viscous coupling 1 is measured by maintaining an axis A1 approximately in a horizontal. In a measuring method for the balance of the viscous coupling 1, after silicone oil is dispersed in the viscous fluid chamber through relative rotation of the outer and inner plates 9 and 8, the balance of the viscous coupling 1 is measured.

26. 发明专利

JPH08170661A DISK BRAKE DEVICE 失效
公开(公告)号：JPH08170661A
公开(公告)日：1996-07-02
申请号：JP31645594
申请日：1994-12-20
申请人： TOYOTA MOTOR CORP
发明人： NISHIKUMA YASUSHI
IPC分类号： F16D55/224
摘要： PURPOSE: To prevent generating uneven wearing despite an amount of wearing a friction material. CONSTITUTION: A shape of torque receiving surfaces 26A, 58A is constituted of circular arc surfaces of radiuses r1 , r2 with rotor diametric direction center lines P1 , P2 , passing through the center of a contact surface with a disk rotor 12 of friction materials 24, 30, serving as the center, also to conform to the shape a virtual surface formed by moving loci Q1 , Q2 of the center lines P1 , P2 according to wearing. Further, action direction lines N1 , N2 of pressing force are made to agree with the center of the contact surface. In this way, despite a wearing amount, since reaction forces Rin , Rout always act toward the center lines P1 , P2 , angular moment around the concerned center line is prevented from being generated. Accordingly, unevenly wearing the friction materials 24, 30 can be prevented.

27. 发明专利

JPH07139570A DISC BRAKE DEVICE 失效
公开(公告)号：JPH07139570A
公开(公告)日：1995-05-30
申请号：JP28667493
申请日：1993-11-16
申请人： TOYOTA MOTOR CORP
发明人： NISHIKUMA YASUSHI , OKADA TADANORI
IPC分类号： F16D65/095
摘要： PURPOSE:To prevent occurrence of brake noise by perfectly eliminating bending moment generated on pads at the time of braking, and remarkably reducing generation of stick slip caused thereby. CONSTITUTION:In a disc brake device, an abutting position of an abutting portion 34 of an inner pad 22 and a torque receiving portion 38, and an abutting position of an abutting portion 36 of an outer pad 24 and a torque receiving portion 40 are on a same plane of a contact surface between the pads and a disc rotor 12. Even when the pads are press-contacted by the disc rotor 12 and drawn in the same direction, torque is received by the torque receiving portions 38, 40, and generation of rotational moment is prevented. Bending moment is not generated on the pads, causing even surface pressure distribution. Generation of stick slip is remarkably reduced and brake noise is prevented.

28. 发明专利

JPH04268015A TREATMENT OF SURFACE ON STEEL PARTS 失效
公开(公告)号：JPH04268015A
公开(公告)日：1992-09-24
申请号：JP4600391
申请日：1991-02-19
申请人： TOYOTA MOTOR CORP
发明人： FUKUMIZU TOSHIHARU , KATAGIRI SHUSUKE , NISHIKUMA YASUSHI
IPC分类号： C21D6/00 , C23C8/26 , C23C8/80
摘要： PURPOSE:To secure structural stability on surface treating layer without lowering productivity and to improve stability of performance. CONSTITUTION:Gas softening nitriding treatment is executed at eutectoid temp. or higher of Fe-N and successively, isothermal treatment is executed at the above eutectoid temp. or lower and >=450 deg.C. After that, by cooling this to the room temp., Fe-N eutectoid layer formed at between surface nitride layer and matrix, is structurally stabilized.

29. 发明专利

JPH11236934A VISCOUS COUPLING, MANUFACTURE THEREOF, AND ADDITIVE AGENT FOR VISCOUS COUPLING 失效
公开(公告)号：JPH11236934A
公开(公告)日：1999-08-31
申请号：JP5600598
申请日：1998-02-20
申请人： TOYOTA MOTOR CORP
发明人： MATSUNAMI TATSUYA , KAWASE MASAO , NISHIKUMA YASUSHI , OZAKI TOSHIAKI , INASAWA KOICHI
IPC分类号： F16D35/00 , C10M171/06 , C10N20/00 , C10N20/06 , C10N40/04
摘要： PROBLEM TO BE SOLVED: To improve the balance accuracy of a viscous coupling in the radial direction at the time of integrally rotating the whole of the viscous coupling. SOLUTION: This viscous coupling 12 is provided with a casing K1 and a hub 22 arranged freely to be rotated around the same axis in relation to each other, a viscous fluid chamber B1 formed between the casing K1 and the hub 22, plural outer plates 38 arranged in the viscous fluid chamber B1 and fitted to the casing K1, plural spacer rings 42 arranged between the outer plates 38, and plural inner plates 45 arranged opposite to the outer plates 38 and fitted to the hub 22. The plural spacer rings 42 are respectively formed with a cut part 43 in the radial direction, and at least two spacer rings 42 are arranged so that a circumferential phase of the cut part 43 is different from each other.

30. 发明专利

JPH08210393A DISC BRAKE DEVICE 失效
公开(公告)号：JPH08210393A
公开(公告)日：1996-08-20
申请号：JP1336995
申请日：1995-01-31
申请人： TOYOTA MOTOR CORP
发明人： SODA NOBUHIKO , NISHIKUMA YASUSHI
IPC分类号： F16D55/224 , F16D65/02 , F16D65/097
摘要： PURPOSE: To change a pair of pads simultaneously at the optimum timing by making equal wear amount of a pair of pads in a disc brake device. CONSTITUTION: An inner pad 31 and an outer pad 32 are pressed against a disc rotor 2 when a brake is applied. The inner pad 31 and the outer pad 32 are pulled by the rotation of the disc rotor 2 and pressed against a rotational torque receiver 61. The rotational torque receiver 61 is rotatably provided around a rotational center pin 62, and the rotation of the rotational receiver 61 is stopped at the position where the braking force of the inner pad 31 is approximately equal to that of the outer pad 32. The wear of the inner pad 31 is equal to that of the outer pad 32 by making the braking force of the inner pad 31 approximately equal to that of the outer pad 32.

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