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    • 3. 发明授权
    • Electromagnetic clutch
    • 电磁离合器
    • US4150738A
    • 1979-04-24
    • US748503
    • 1976-12-08
    • Kosaku SayoSeijiro TaniAtsushi Suginuma
    • Kosaku SayoSeijiro TaniAtsushi Suginuma
    • F16D27/10F16D27/112H01F7/16F16D27/06
    • F16D27/112F16D2027/008
    • An electromagnetic clutch comprises a pulley rotatable about a shaft, an armature which is axially movably connected to the shaft and faces a portion of the pulley so as to contact with electromagnetic force thereby coupling the pulley and the shaft, an electromagnet with a winding and a core which has cylindrical face coaxial of the shaft, a part of which core faces to a part of the pulley with small air gap so as to make magnetic circuit, a supporting member which has a cylindrical portion surrounding the shaft with a gap and rotatably supporting the pulley through a bearing, and a flange portion spreading out from the one end of the cylindrical portion. The supporting member is secured to the core of the electromagnet with the flange portion tightly inserted in the cylindrical face of the core, thereby defining an electromagnetic assembly in which a recess for engagement with a machine is formed. The core is precisely press-formed, and the electromagnetic assembly is precisely machined at the outer face of the cylindrical portion of the supporting member and at the recess, on basis of the core. By energizing the winding a magnetic circuit is produced whereby magnetic flux passes through the core, the pulley, and the armature so that the armature is attracted to the pulley to contact therewith.
    • 电磁离合器包括可围绕轴旋转的滑轮,电枢,其轴向可移动地连接到所述轴并且面向所述滑轮的一部分以与电磁力接触,从而联接所述滑轮和所述轴;电磁体,其具有绕组和 芯部,其具有轴的圆筒面同轴的一部分,其一部分芯面向具有小气隙的滑轮的一部分以制造磁路;支撑部件,其具有围绕轴的圆筒部分,并且可旋转地支撑 滑轮通过轴承,以及从圆柱形部分的一端展开的凸缘部分。 支撑构件被固定到电磁体的芯部,其中凸缘部分紧密地插入到芯的圆柱形表面中,从而限定了形成用于与机器接合的凹部的电磁组件。 核心被精确地压制成型,并且电磁组件在支撑构件的圆柱形部分的外表面处,并且在凹部的基础上被精确加工。 通过激励绕组,产生磁路,由此磁通量通过芯,滑轮和电枢,使得电枢被吸引到滑轮与其接触。