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41. 发明专利

JP2002223598A METHOD OF CONTROLLING BRAKING OF EDDY CURRENT TYPE REDUCTION GEAR, AND BRAKING CONTROLLER 失效
公开(公告)号：JP2002223598A
公开(公告)日：2002-08-09
申请号：JP2001019205
申请日：2001-01-26
申请人： SUMITOMO METAL IND
发明人： YAMAGUCHI HIROYUKI , TASAKA MASAHIRA , NOGUCHI YASUTAKA
IPC分类号： H02P15/00
摘要： PROBLEM TO BE SOLVED: To provide a method of controlling the braking of eddy current type reduction gear which can detect changes in the temperature rise of a drum, without being influenced by the temperature change of other members, as much as possible. SOLUTION: In this method for controlling the braking of the eddy current reduction gear, the ambient temperature in the vicinity of heat-radiating fins 5 provided at the outside periphery of a drum 1 is measured, and the braking is controlled immediately before the measured temperature value exceeds the set temperature, corresponding to the tolerable upper limit value in the above correlation relation, based on the correlation relation of the change of the ambient temperature in the above temperature-measured position accompanying the temperature change of the drum 1.

42. 发明专利

JP2002171744A EDDY CURRENT TYPE DECELERATION APPARATUS 失效
公开(公告)号：JP2002171744A
公开(公告)日：2002-06-14
申请号：JP2000364624
申请日：2000-11-30
申请人： SUMITOMO METAL IND
发明人： NOGUCHI YASUTAKA , MIYAHARA MITSUO , YAMAGUCHI DO
IPC分类号： H02K49/02
摘要： PROBLEM TO BE SOLVED: To provide an eddy current type deceleration apparatus, having superior durability in which a surface processing layer provided to a rotating body of a rotor is hard to be peeled off and removed. SOLUTION: The surface roughness of a surface 15 opposing a magnet of a rotating body of the eddy current type deceleration apparatus is 10 μm or less, in terms of ten-point average roughness Rz. This deceleration apparatus includes the surface processing layer which is formed by laminating, on the surface 15, a buffer layer 14-0 made of a nickel alloy, a first layer 14-1 made of copper or a copper alloy, a second layer 14-2, made of a nickel alloy and a third layer 14-3 made of nickel. Also, the buffer layer can be eliminated.

43. 发明专利

JP2002084734A ON-OFF CHANGE-OVER MECHANISM FOR EDDY CURRENT REDUCTION GEAR 失效
公开(公告)号：JP2002084734A
公开(公告)日：2002-03-22
申请号：JP2000269687
申请日：2000-09-06
申请人： SUMITOMO METAL IND
发明人： SAITO AKIRA , TANI YASUTOKU , NOGUCHI YASUTAKA
IPC分类号： H02K49/02
摘要： PROBLEM TO BE SOLVED: To curtail consumption of compressed air. SOLUTION: This is an ON-OFF change-over gear which has a pair of cylinders 10a, 10b arranged at opposite positions of a rotating support ring 3b, to rotate the rotating ring 3b by a specified angle with respect to a supporting substance 2, and is used for an eddy current reduction gear wherein a stationary support ring 3a and the rotating ring 3b composed by fitting a plurality of permanent magnets 6a, 6b circumferentially with their polarities opposite to each other to the support substance 2 supported with a shaft 5 are arranged in parallel, and a plurality of switch boards 7 insulated magnetically from each other are contraposed on the peripheral magnetic pole surfaces of these groups of permanent magnets. A return spring 15 is put inside at least one of the cylinders 10a, 10b, and change-over from an on-state to an off-state is performed by supplying compressed air to only the return spring 15 or to both the return spring 15 and a double acting cylinder. Accordingly, it is possible to reduce the quantity of consumption of the compressed air when the brakes are applied or released, and it also becomes unnecessary to change a small- capacity air source fitted already to a vehicle for another one.

44. 发明专利

JP2001359271A EDDY CURRENT DECELERATOR 失效
公开(公告)号：JP2001359271A
公开(公告)日：2001-12-26
申请号：JP2000175383
申请日：2000-06-12
申请人： SUMITOMO METAL IND
发明人： SAITO AKIRA , ARAKI KENJI , NOGUCHI YASUTAKA
IPC分类号： H02K49/02
摘要： PROBLEM TO BE SOLVED: To fully generate the maximum power of an eddy current decelerator to be within the revolution range of a brake drum, while employing an air cylinder with small dimensions and little air consumption, and to reduce the cost and dimensions of a decelerator as a whole. SOLUTION: When this eddy current decelerator is switched from a brake-off state to a brake-on state, a magnet support ring 11 (of a 1-row type) or a rotation support ring 21b (of a 2-row type) is turned, by making a piston rod 15a or 25a protrude in the rotating direction of a brake drum, by supplying air to the receiving area side of the piston 15b or 25b having higher pressure.

45. 发明专利

JP2001309637A SPEED REDUCER OF EDDY-CURRENT TYPE 失效
公开(公告)号：JP2001309637A
公开(公告)日：2001-11-02
申请号：JP2000122630
申请日：2000-04-24
申请人： SUMITOMO METAL IND
发明人： NOGUCHI YASUTAKA , MIYAHARA MITSUO , ARAKI KENJI , YAMAGUCHI DO , ISHIDA AKIYOSHI
IPC分类号： H02K49/02
摘要： PROBLEM TO BE SOLVED: To provide a speed reducer of an eddy-current type of a low cost excellent in durability having no fear of the occurrence of cracks at a cylinder section and a side plate of a rotor even if used under severe conditions for a long time. SOLUTION: In the speed reducer of an eddy-current type that reduces the speed of a rotating cylinder section by a magnetic field, the cylinder section 5 has a hole at its center and is combined to a rotating shaft 1 by the bent and disc-shaped side plate 14. The reducer has a cross section that satisfies the cylinder section 5 and the side plate 14 with the following formulae. Also, the magnetic field in the above is preferably generated by a permanent magnet. L/W>=0.15...(1) t2/t1=0.25 to 1.25...(2) L/t2>=3.0...(3) Here, L is the quantity of bending and means a distance (mm) from an end face of the cylinder section to the center of the thickness of the maximum bent part, W is the length (mm) of the cylinder section, t1 is the thickness (mm) of the cylinder section and t2 is the thickness (mm) of the side plate.

46. 发明专利

JPH11308852A EDDY CURRENT TYPE SPEED REDUCER 失效
公开(公告)号：JPH11308852A
公开(公告)日：1999-11-05
申请号：JP11362298
申请日：1998-04-23
申请人： SUMITOMO METAL IND
发明人： MIYAHARA MITSUO , ISHIDA AKIYOSHI , NOGUCHI YASUTAKA
IPC分类号： H02K49/00
摘要： PROBLEM TO BE SOLVED: To provide an eddy current type speed reducer, high in durability and at low cost. SOLUTION: A rotor 1 of the eddy current type speed reducer is made of a united body between a ferromagnetic cylinder 3 and a disc 15 for coupling the cylinder 3 with a rotary shaft, and the disc 15 is provided with a louver 17 and a fastening bolt hole 18 for a rotary shaft, and the several dimensional relations for an axial length L of the cylinder 3 of a rotor 1, a thickness t1 of the cylinder 3 of the rotor 1, a thickness t2 of the disc 15, an inside radius R of the rotor 1, a number n for the pieces of the louver 17, a radius r of the louver, and a distance r2 from the rotary shaft to the center of the louver 17 are set such that L/t1 /R2

47. 发明专利

JP2009290969A Eddy current reduction gear 有权
标题翻译： EDDY电流减速齿轮
公开(公告)号：JP2009290969A
公开(公告)日：2009-12-10
申请号：JP2008139697
申请日：2008-05-28
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： NOGUCHI YASUTAKA , MIYAHARA MITSUO , IMANISHI KENJI , YAMAGUCHI HIROYUKI , SAITO AKIRA
IPC分类号： H02K49/02 , H02K49/10
摘要： PROBLEM TO BE SOLVED: To ensure durability even when a rotor is used repeatedly with high damping force for a long term while reducing the thrust load at the bearing portion of a rotating shaft.
SOLUTION: An eddy current reduction gear includes a rotor 1 connected with the rotating shaft 3 while having a disk-like damping member and fixed to a non-rotating portion, and a plurality of magnets 4 which are held by a holding member 5 fixed to the non-rotating portion and arranged such that the pole face faces the damping member and the adjoining magnetic poles turn reversely. A nonmagnetic material 1b consisting of copper or a copper alloy is provided at a part of the damping member where magnetic force of the magnet 4 acts, a protective material 1c is provided on the surface side of the nonmagnetic material 1b facing the magnet 4, and a ferromagnetic material 1a is provided on the backside of the nonmagnetic material 1b, i.e. the side opposite to the magnet 4. The nonmagnetic material 1b and the ferromagnetic material 1a are bonded directly by mutual diffusion of atoms. Consequently, the thrust load is reduced at the bearing portion of the rotating shaft, and durability of the rotor can be ensured even when used repeatedly with high damping force for a long term.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了确保耐久性，即使当转子长时间以高阻尼力反复使用，同时减小旋转轴的轴承部分的推力负载时也是如此。解决方案：涡流减速齿轮包括与旋转轴3连接的转子1，同时具有盘状阻尼构件并固定到非旋转部分，并且多个磁体4由保持构件 5固定到非旋转部分并且被布置成使得极面面向阻尼构件并且相邻的磁极反向旋转。在磁铁4的磁力作用的阻尼部件的一部分设有由铜或铜合金构成的非磁性材料1b，在面向磁体4的非磁性体1b的表面侧设有保护材料1c，铁磁材料1a设置在非磁性材料1b的背面，即与磁体4相对的一侧。非磁性材料1b和铁磁材料1a通过原子的相互扩散直接接合。因此，在旋转轴的轴承部分处的推力负载减小，即使长时间以高阻尼力重复使用也能确保转子的耐久性。版权所有（C）2010，JPO＆INPIT

48. 发明专利

JP2009044792A Eddy current decelerator 有权
标题翻译： EDDY电流减速机
公开(公告)号：JP2009044792A
公开(公告)日：2009-02-26
申请号：JP2007204335
申请日：2007-08-06
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： NOGUCHI YASUTAKA , MIYAHARA MITSUO , YAMAGUCHI HIROYUKI , IMANISHI KENJI
IPC分类号： H02K49/10 , H02K49/02
摘要： PROBLEM TO BE SOLVED: To enable the security of strength at high revolution by suppressing the occurrence of thermal fatigue cracks due to a repeated thermal load or deformation an extending over a long period of use.
SOLUTION: This eddy current decelerator allows a permanent magnet 15 to be connected and disconnected to/from a rotor 13, coupled to a rotating shaft 12 via a support member 11. The rotor 13 is constituted of a braking member 13b, which is counterposed to the permanent magnet 15, and a support plate 13a, which couples the braking member 13b with the support member 11. The braking member 13b is divided into two or more pieces in its circumferential direction, while the periphery of the support member 13a is provided with at least as many grooves 13aa as the number of divisions of the braking member 13b. When two or more braking members 13b are integrally fixed to the support plate 13a, respective divided braking members 13b have clearances c, and they are fixed so that these clearances c are opened, in matching with the grooves 13aa.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了通过抑制由于长时间使用而延长的重复热负荷或变形引起的热疲劳裂纹的发生，能够实现高转速下的强度的安全性。解决方案：该涡流减速器允许永磁体15经由支撑构件11连接到与转子13相连接和转动的转子13上。转子13由制动构件13b构成，制动构件13b 与永磁体15相对的支撑板13a和将制动部件13b与支撑部件11连接的支撑板13a。制动部件13b在其周向上被分成两部分以上，而支撑部件13a的周边设置有至少与制动部件13b的分割数相同的槽13aa。当两个或更多个制动构件13b一体地固定到支撑板13a时，相应的分开的制动构件13b具有间隙c，并且它们被固定成使得这些间隙c与槽13aa匹配地打开。版权所有（C）2009，JPO＆INPIT

49. 发明专利

JP2005176418A Eddy current speed reducer 有权
标题翻译： EDDY电流减速器
公开(公告)号：JP2005176418A
公开(公告)日：2005-06-30
申请号：JP2003408971
申请日：2003-12-08
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： IMANISHI KENJI , MIYAHARA MITSUO , TASAKA MASAHIRA , NOGUCHI YASUTAKA , YAMAGUCHI HIROYUKI , HIRAMATSU SHINICHIRO , SAITO AKIRA
IPC分类号： H02K49/10 , H02K49/02
摘要： PROBLEM TO BE SOLVED: To provide an eddy current speed reducer which can improve braking force or an eddy current speed reducer which can reduce the attraction of a permanent magnet.
SOLUTION: This eddy current speed reducer is equipped with a braking member which is coupled with a rotating shaft, at least twenty poles or more of permanent magnets which are arranged so that the magnetic pole faces may confront the braking face of the above braking member and that an eddy current may be generated in the above braking member, a retaining member which is fixed to the non-rotation part of a vehicle and retains the above permanent magnet, and a switching mechanism which switches the above permanent magnet between the time of braking and the time of non-braking. By the multipolarization of the permanent magnets, the braking force rises, thus this speed reducer can reduce the use of the permanent magnets for getting braking force equal with conventional. Moreover, this can effectively reduce the attraction of the magnets, and can downsize the switching mechanism. Furthermore, since the weight of individual permanent magnets becomes small, it becomes possible to fix the permanent magnets by an adhesive or the like.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种可以改善制动力的涡流减速器或可减少永磁体吸引力的涡流减速器。解决方案：该涡流减速器配备有与旋转轴连接的制动构件，至少二十个以上的永久磁铁配置成使得磁极面可面对上述制动面制动构件，并且在上述制动构件中可能产生涡流，固定到车辆的非旋转部分并保持上述永久磁铁的保持构件，以及切换机构，其将上述永久磁铁切换到制动时间和非制动时间。通过永久磁铁的多极化，制动力上升，因此该减速器可以减少永久磁铁的使用以获得与常规等同的制动力。此外，这可以有效地减少磁体的吸引力，并且可以使开关机构小型化。此外，由于各个永磁体的重量变小，因此可以通过粘合剂等固定永久磁铁。版权所有（C）2005，JPO＆NCIPI

50. 发明专利

JP2004364413A Rotor for eddy current type reduction gear, and eddy current type reduction gear equipped with that rotor 审中-公开
公开(公告)号：JP2004364413A
公开(公告)日：2004-12-24
申请号：JP2003159911
申请日：2003-06-04
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： HIRAMATSU SHINICHIRO , NOGUCHI YASUTAKA , MIYAHARA MITSUO , TASAKA MASAHIRA
IPC分类号： H02K49/10 , H02K49/02
摘要： PROBLEM TO BE SOLVED: To offer a rotor which can materialize an eddy current type reduction gear capable of keeping a high braking torque or an eddy current type reduction gear capable of a long period of continuous operation, and an eddy current type reduction gear which is equipped with that rotor.
SOLUTION: The eddy current type reduction gear is equipped with a permanent magnet 4 which has a section where the density of a magnetic flux working on a rotor 2, where cooling fins 2b are made at the periphery of a drum 2a and the drum is fixed to a rotating shaft 1 via an arm 2c, becomes roughly equal within a region at the rotor surface in opposition. The periphery 2aa of the drum 2a is tapered so as to vary, in the direction of the rotating shaft 1, the thickness ta1 and ta2 of the drum 2a. The tip face 2ba in a height direction of the cooling fin 2b is tapered so as to vary, in the axial direction of the rotating shaft 1, the height h1 and h2 of each cooling fin 2b as occasion demands.
COPYRIGHT: (C)2005,JPO&NCIPI

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