Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1988-06-03
1989-10-17
Salce, Patrick R.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 92, 310100, 192 84C, 474168, H02K 710, F16D 2704
Patent
active
048749737
ABSTRACT:
An electromagnetic clutch includes a clutch rotor and an annular electromagnet. The clutch rotor has a rotor which sectional side view is a U-shaped configuration and a pulley mounted at an outer peripheral surface of the rotor. The annular electromagnet is disposed in an annular cavity of the rotor. An armature plate facing to a front end surface of the rotor is supported elastically by a stopper plate through a plurality of leaf springs. The stopper plate is fixed to an outer end of a drive shaft. First engaging elements are formed at an outer peripheral surface of the rotor. Second engaging elements are formed at an inner peripheral surface of the pulley. The first and second engaging elements are complementary and prevent the relative rotational motion of the pulley and the rotor when engaged. A stopper provided on the outer peripheral surface of the rotor prevents the relative axial movement of the pulley and the rotor.
REFERENCES:
patent: 4226134 (1980-10-01), Sohnle
patent: 4287976 (1981-09-01), Sakaki et al.
patent: 4425520 (1984-01-01), Hiraga
patent: 4449622 (1984-05-01), Okano et al.
Matsushita Takashi
Yanai Genzo
Salce Patrick R.
Sanden Corporation
Voeltz Emanuel T.
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