Electromagnetic clutch device for a compressor

F - Mech Eng,Light,Heat,Weapons – 16 – D

Patent

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Details

F16D 27/02 (2006.01) F04B 39/00 (2006.01) F04C 29/00 (2006.01) F04D 29/00 (2006.01) F16D 27/112 (2006.01) H02K 49/04 (2006.01)

Patent

CA 2328443

12 The present invention relates to an electromagnetic clutch device for a compressor used for air conditioners in vehicles and so forth. The object of the present invention is to provide an electromagnetic clutch device whose pulley can be downsized regardless of the outer diameter of a coil even when the so-called alignment is small. In order to achieve this object, an electromagnetic clutch device according to the present invention comprises a drive shaft (107) forming a part of a compressor mechanism which is accommodated in a housing (104) of the compressor and projecting through a nose (106) of the housing (104); a drive rotor (142) accommodating a coil (143) for the electromagnetic clutch and rotatably supported on the circumference of the nose (106) by means of a clutch bearing; an armature plate (149) opposing the coil (143) and connected to a projecting end of the drive shaft (107) so as to rotate with the drive shaft (107); and a pulley (161) fixedly attached to the drive rotor (142), wherein the pulley (161) is arranged between the housing (104) and the coil (143).

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