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    • 1. 发明专利
    • Electromagnetic clutch and method for manufacturing the same
    • 电磁离合器及其制造方法
    • JP2013100862A
    • 2013-05-23
    • JP2011244675
    • 2011-11-08
    • Denso Corp株式会社デンソー
    • SAKURABA SHIGEYOSHITABUCHI YASUOMURAKAMI YOICHI
    • F16D27/112
    • F16D27/112F16D13/76F16D2027/007F16D2027/008F16D2300/10Y10T29/49611
    • PROBLEM TO BE SOLVED: To provide an electromagnetic clutch having improved transmission torque by means of a low-cost method, and a method for manufacturing the clutch.SOLUTION: An electromagnetic clutch (10) includes an electromagnetic coil (18), a rotor (16) that is rotary driven by an external drive source, an armature (12) attracted to the rotor (16) by magnetic force of the electromagnetic coil (18), and a hub structure (11); and the clutch transmits or shuts off power by exciting the electromagnetic coil (18) to attract the friction surface (12a) of the armature (12) to the friction surface (16a) of the rotor (16) and by demagnetizing the electromagnetic coil (18) to separate the armature (12) from the rotor (16). The friction surface (16a) of the rotor (16) and/or the friction surface (12a) of the armature (12) have a rugged surface formed thereon having surface roughness Rz of 10 μm or more and hardness of 4 GPa or less.
    • 要解决的问题:通过低成本方法提供具有改进的传动扭矩的电磁离合器以及用于制造离合器的方法。 解决方案:电磁离合器(10)包括电磁线圈(18),由外部驱动源旋转驱动的转子(16),通过磁力吸引到转子(16)的电枢(12) 电磁线圈(18)和轮毂结构(11); 离合器通过激励电磁线圈(18)将电枢(12)的摩擦面(12a)吸引到转子(16)的摩擦面(16a)并通过使电磁线圈 以使电枢(12)与转子(16)分离。 转子(16)的摩擦面(16a)和/或电枢(12)的摩擦面(12a)具有形成在其上的粗糙表面,其表面粗糙度Rz为10μm以上,硬度为4GPa以下。 版权所有(C)2013,JPO&INPIT
    • 2. 发明专利
    • Electromagnetic clutch
    • 电磁离合器
    • JP2013164149A
    • 2013-08-22
    • JP2012028477
    • 2012-02-13
    • Denso Corp株式会社デンソー
    • SAKURABA SHIGEYOSHITABUCHI YASUO
    • F16D27/10
    • PROBLEM TO BE SOLVED: To provide an electromagnetic clutch having superior versatility with a function for absorbing a surge voltage.SOLUTION: An electromagnetic clutch 100 includes: a rotor 1; a stator 2 that has a spool 20 for retaining an electromagnetic coil 3; an armature 5; a hub 4 that rotates integrally with the armature 5; a surge absorption element 50 that absorbs a surge voltage generated when power supply to the electromagnetic coil 3 is stopped; and a conductive terminal 30, to which a terminal part 52 of the surge absorption element 50 and an end of a coil line 3a of the electromagnetic coil 3 is connected. Moreover, the spool 20 has an element storage part 25 where the surge absorption element 50 is stored and an end attachment part 253, one end of the terminal 30 is attached by contacting the terminal part 52 of the surge absorption element 50.
    • 要解决的问题:提供具有优异的通用性的电磁离合器和吸收浪涌电压的功能。解决方案:电磁离合器100包括:转子1; 具有用于保持电磁线圈3的线轴20的定子2; 电枢5; 与衔铁5一体旋转的轮毂4; 浪涌吸收元件50,其吸收当向电磁线圈3的供电停止时产生的浪涌电压; 以及导电端子30,浪涌吸收元件50的端子部52和电磁线圈3的线圈线3a的端部连接到该导电端子30。 此外,线轴20具有存储浪涌吸收元件50的元件存储部25和端子安装部253,端子30的一端通过与浪涌吸收元件50的端子部52接触来安装。
    • 3. 发明专利
    • Power transmission
    • 电力传输
    • JP2010002010A
    • 2010-01-07
    • JP2008162401
    • 2008-06-20
    • Denso Corp株式会社デンソー
    • SAKURABA SHIGEYOSHIINAMI SATOSHINOSAKA MICHIYASU
    • F16D9/00F16D3/68F16H35/10F16H55/36
    • PROBLEM TO BE SOLVED: To provide a power transmission, preventing breakage of a cylindrical wall of a pulley before a torque limiter is broken when excessive torque is applied. SOLUTION: This power transmission 10 includes a pulley 1 for transmitting rotary driving force from a driving source to a driven device 20 and connecting parts 2, 3 connecting the pulley 1 and a rotating shaft 4 of the driven device 20, wherein the pulley 1 has the cylindrical wall 1a at one end side, and an internal tooth profile part 1b disposed in the circumferential direction is provided inside the cylindrical wall 1a. The connecting parts 2, 3 include an external tooth profile part 2a disposed in the circumferential direction, and the pulley 1 and the connecting parts 2, 3 are connected by engagement of the internal tooth profile part 1b with the external tooth profile part 2a. The external tooth profile part 2a is formed of a material having elasticity, and the cylindrical wall 1a is provided with a reinforcement rib 1c formed on the outer peripheral surface thereof. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供动力传动装置,在施加过大的转矩时,在扭矩限制器断裂之前防止滑轮的圆筒壁破裂。 解决方案:该动力传动装置10包括用于将旋转驱动力从驱动源传递到从动装置20的滑轮1和连接皮带轮1和从动装置20的旋转轴4的连接部2,3。 滑轮1在一端侧具有圆筒壁1a,并且在圆筒壁1a内部设置有沿圆周方向设置的内齿廓部1b。 连接部2,3包括沿圆周方向设置的外齿廓部分2a,并且滑轮1和连接部分2,3通过内齿形部分1b与外齿轮部分2a的接合连接。 外齿廓部2a由具有弹性的材料形成,圆筒壁1a设置有形成在其外周面上的加强筋1c。 版权所有(C)2010,JPO&INPIT
    • 4. 发明专利
    • Electromagnetic clutch
    • 电磁离合器
    • JP2011158003A
    • 2011-08-18
    • JP2010018473
    • 2010-01-29
    • Denso Corp株式会社デンソー
    • SAKURABA SHIGEYOSHITATEMATSU SHOZOTABUCHI YASUOARAI MOTOTSUGU
    • F16D27/112F16D9/00F16H35/10F16J15/447
    • PROBLEM TO BE SOLVED: To apply a limiter broken by axial force, to an electromagnetic clutch and to prevent falling-off of driven side rotation bodies. SOLUTION: The electromagnetic clutch includes a drive side rotation body 21 rotated by rotational driving force output from a drive source; the driven side rotation bodies 30, 33 connected to the drive side rotation body 21 so as to be rotated together with a rotating shaft 11 of a drive object device 10; an electromagnet 22 generating electromagnetic force for connecting the driven side rotation bodies to the drive side rotation body 21; the limiter 37 serving as a member for connecting the driven side rotation bodies to the rotating shaft 11 and broken by axial force when torque transmitted to the driven side rotation bodies from the drive side rotation body becomes predetermined torque or more, to separate the driven side rotation bodies from the rotating shaft 11; and a stopper 39 formed projecting radially outward from the rotating shaft 11 to abut on the driven side rotation bodies separated from the rotating shaft 11 by the breakage of the limiter 37, in the axial direction of the rotating shaft 11. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:将通过轴向力破坏的限制器应用于电磁离合器并且防止从动侧旋转体的脱落。 解决方案:电磁离合器包括通过从驱动源输出的旋转驱动力旋转的驱动侧旋转体21; 连接到驱动侧旋转体21的从动侧旋转体30,33与驱动对象装置10的旋转轴11一起旋转; 产生用于将从动侧旋转体连接到驱动侧旋转体21的电磁力的电磁体22; 限制器37作为用于将从动侧旋转体连接到旋转轴11的构件,并且当从驱动侧旋转体传递到从动侧旋转体的扭矩变为预定扭矩或更大时,由轴向力断开,从而将从动侧 来自旋转轴11的旋转体; 以及从旋转轴11径向向外突出地形成的止动件39,其通过限制器37的断开与旋转轴11分离的从动侧旋转体沿旋转轴11的轴向抵接。版权所有: (C)2011,JPO&INPIT
    • 5. 发明专利
    • Clutch mechanism
    • 离合器机构
    • JP2011112203A
    • 2011-06-09
    • JP2009271475
    • 2009-11-30
    • Denso Corp株式会社デンソー
    • SAKURABA SHIGEYOSHITABUCHI YASUO
    • F16D27/112
    • F16D27/112F16D2027/007
    • PROBLEM TO BE SOLVED: To further reduce operation sound in a plate spring hub type clutch mechanism. SOLUTION: The clutch mechanism includes a drive-side rotator 30, a driven-side rotator 40, an electromagnet 53 which generates an attractive magnetic force to attract the driven-side rotator 40 in a direction of connecting with the drive-side rotator 30, a plate spring 42 which generates an elastic force to bias the driven-side rotator 40 in a direction opposite to the connecting direction, and a damper 43 composed of an elastic member and having an impact reducing portion 43b which reduces impact in collision of the driven-side rotator 40 to the drive-side rotator 30. The drive-side rotator 30, the driven-side rotator 40, the damper 43 and the plate spring 42 are arranged in this order in a rotation axial direction. The damper 43 includes a contact portion 43c which contacts a part of the driven-side rotator 40 in the rotation axial direction, and the plate spring 42 includes a pressing portion 42e which presses the contact portion 43c toward the driven-side rotator 40 in both connection and non-connection of the driven-side rotator 40 and the drive-side rotator 30. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:进一步降低板簧毂式离合器机构中的操作声音。 解决方案:离合器机构包括驱动侧旋转器30,从动侧旋转器40,电磁体53,其产生吸引磁力以沿与驱动侧连接的方向吸引从动侧旋转体40 旋转器30,产生弹性力的板簧42,以沿着与连接方向相反的方向偏压从动侧旋转体40;以及阻尼器43,其由弹性构件构成,具有减小碰撞冲击的冲击减小部43b 驱动侧转子30,从动侧转子40,阻尼器43和板簧42沿旋转轴方向依次配置。 阻尼器43具有与从动侧旋转体40的旋转轴方向的一部分接触的接触部43c,板簧42具有将接触部43c朝向从动侧旋转体40的两侧按压的按压部42e 从动侧转子40和驱动侧转子30的连接和不连接。版权所有(C)2011,JPO&INPIT
    • 7. 发明专利
    • Electromagnetic clutch
    • 电磁离合器
    • JP2013148129A
    • 2013-08-01
    • JP2012007204
    • 2012-01-17
    • Denso Corp株式会社デンソー
    • SAKURABA SHIGEYOSHITABUCHI YASUO
    • F16D27/112F16D27/10
    • PROBLEM TO BE SOLVED: To provide an electromagnetic clutch which can block electricity carrying to an electromagnetic coil when a rotor rotates while sliding on an armature by suppressing an increase of the number of part items.SOLUTION: A coil wire 3a of an electromagnetic coil 3 has a first welded part 3b1 and a second welded part 3b2 which are welded to a pair of lead wires 42, 43, respectively, and a segmented part 3c which is segmented between the first welded part 3b1 and the second welded part 3b2 so that the electromagnetic coil 3 may be connected to a circuit block part 40 in series thereto. The coil wire 3a is supported by coil wire supports 36 to 38 which are arranged at a coil holding part 30 so that the coil wire 3a may be arranged along the pair of lead wires 42, 43 and adjacent to the pair of lead wires 42, 43.
    • 要解决的问题:提供一种电磁离合器,其可以通过抑制物品数量的增加而在转子旋转同时在电枢上旋转时阻断电力线圈的携带。解决方案:电磁线圈3的线圈线3a 具有分别焊接到一对引线42,43的第一焊接部分3b1和第二焊接部分3b2以及分段在第一焊接部分3b1和第二焊接部分3b2之间的分段部分3c, 电磁线圈3可以与其串联的电路块部40连接。 线圈线3a由配置在线圈保持部30的线圈线支撑体36〜38支撑,线圈线3a可以沿着一对引线42,43配置并且与一对引线42相邻配置, 43。
    • 8. 发明专利
    • Power transmission device
    • 电力传输装置
    • JP2009281549A
    • 2009-12-03
    • JP2008135912
    • 2008-05-23
    • Denso Corp株式会社デンソー
    • FUJIKAWA TOMOJINOSAKA MICHIYASUTADA YOSHIKISAKURABA SHIGEYOSHI
    • F16B39/30F16B35/00F16D43/20
    • PROBLEM TO BE SOLVED: To provide a power transmission device can continuously hold grease applied to a screw fastening part.
      SOLUTION: This power transmission device includes a pulley 17 rotatably installed in a housing 13, a hub 31 arranged in a chip part 23 of an input shaft 19 projecting to an external part from the housing 13 and integrally rotating with the input shaft 19, and a power cutoff member 41 for cutting off the transmission of excessive torque between the pulley 17 and the input shaft 19, and is characterized in that a female screw part 43 formed on an inner peripheral surface of the power cutoff member 41, and a female screw part 43 formed on an outer peripheral surface of the chip part 23 of the input shaft 19, are fastened by a screw, and oil storage parts 113, 118, 125 and 130 are arranged between the female screw part 43 and the female screw part 43.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种动力传递装置可以连续地保持施加到螺钉紧固部件上的油脂。 解决方案:该动力传递装置包括可旋转地安装在壳体13中的滑轮17,布置在从壳体13突出到外部的输入轴19的芯片部分23中的毂31,并与输入轴 以及用于切断皮带轮17与输入轴19之间的过大转矩传递的电力切断部件41,其特征在于,形成在电力切断部件41的内周面上的内螺纹部43和 形成在输入轴19的芯片部23的外周面上的内螺纹部43通过螺钉紧固,并且储油部113,118,125,130设置在阴螺纹部43和阴内螺纹部43之间 螺丝部分43.版权所有(C)2010,JPO&INPIT
    • 9. 发明专利
    • Power transmitting device
    • 发电装置
    • JP2009257427A
    • 2009-11-05
    • JP2008105986
    • 2008-04-15
    • Denso Corp株式会社デンソー
    • FUJIKAWA TOMOJINOSAKA MICHIYASUTADA YOSHIKISAKURABA SHIGEYOSHI
    • F16D9/00B24C1/04F16D1/06F16H35/10
    • PROBLEM TO BE SOLVED: To provide a power transmitting device comprising a torque limiter to be stably operated. SOLUTION: This power transmitting device includes a rotary shaft 3 having a first screw connecting portion 32, a pulley 1 rotatably installed in a casing 4 of rotary equipment, a hub 2 connected to the pulley 1 and connected to the rotary shaft 3 by screwing a second screw connecting portion 234 formed along the center axis to the first screw connecting portion 32 of the rotary shaft 3, and a breakage expected portion 236 provided in the hub 2 or the rotary shaft 3 to cut transmission of the excessively large torque. Shot peening is performed to the second screw connecting portion 234 of the hub 2 and/or the first screw connecting portion 32 of the rotary shaft 3. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种包括要稳定操作的扭矩限制器的动力传递装置。 解决方案:该动力传递装置包括具有第一螺钉连接部32的旋转轴3和可旋转地安装在旋转设备的壳体4中的滑轮1,连接到滑轮1并连接到旋转轴3的轮毂2 通过将沿着中心轴线形成的第二螺钉连接部分234旋拧到旋转轴3的第一螺钉连接部分32,以及设置在轮毂2或旋转轴3中的断裂预期部分236,以切断过大扭矩的传递 。 对轮毂2的第二螺丝连接部234和/或旋转轴3的第一螺纹连接部32进行喷丸硬化。(C)2010,JPO&INPIT
    • 10. 发明专利
    • Electromagnetic clutch
    • 电磁离合器
    • JP2012251640A
    • 2012-12-20
    • JP2011126456
    • 2011-06-06
    • Denso Corp株式会社デンソー
    • SAKURABA SHIGEYOSHITABUCHI YASUOTANABE MICHIHIRONAKAMURA TAKUSHI
    • F16D27/112
    • PROBLEM TO BE SOLVED: To provide electromagnetic clutch which prevents adhesion of a wear powder of an armature and foreign matters, and also to increase a yield of a material and to reduce a manufacturing cost.SOLUTION: For the electromagnetic clutch, the armature 4 and the inner hub are manufactured with the same raw material in a hub 3 being a driven side rotary member B constituted of: the armature: a plate spring 6, a damper member 7; and the inner hub 5, That is, by using as the raw material, the inner diameter portion 43 of the armature abandoned before, the inner hub is manufactured. The inner hub is made of a low carbon steel material, therefore, and a necessary strength and wear resistance is secured by the inner hub manufactured through press working of the plate material.
    • 要解决的问题:提供一种电磁离合器,其防止电枢的磨损粉末和异物的附着,并且还提高材料的产率并降低制造成本。 解决方案:对于电磁离合器,衔铁4和内轮毂在由作为从动侧旋转构件B的轮毂3中以相同的原材料制造,该从动侧旋转构件B由以下构成:电枢:板簧6,阻尼构件7 ; 和内轮毂5,即,通过使用废弃的电枢的内径部43作为原料,制造内轮毂。 内毂由低碳钢材料制成,因此通过板材的冲压加工制造的内毂确保了必要的强度和耐磨性。 版权所有(C)2013,JPO&INPIT