Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1998-02-03
2000-02-29
LaBalle, Clayton
Electrical generator or motor structure
Dynamoelectric
Rotary
310103, 192 84961, H02K 4900, F16D 1360, F16D 2712
Patent
active
060313099
ABSTRACT:
An electromagnetic clutch includes a field member having a hollow in a center thereof and carrying a field coil in the form of a ring, a shaft rotatably placed in the hollow of the field member, a rotor member fixedly attached on the shaft, the rotor member being arranged on one side of the field member, a driving member rotatably mounted on the shaft, the driving member being arranged on one side of the rotor member, and an armature member attached to the driving member, the armature member being arranged between the rotor member and the driving member and bendable toward the rotor member. The shaft is provided with an inner cylinder member made of a synthetic resin and formed with a hollow extending along an axis thereof, the hollow being operable to engage with a torque transmission shaft of a device to be connected with the electromagnetic clutch and having an irregular shape portion for keeping the torque transmission shaft to rotate together with the inner cylinder member, and an outer cylinder member placed over the inner cylinder member, the outer cylinder member being made of a metallic material having magnetism.
REFERENCES:
patent: 3854562 (1974-12-01), Wilczewski
patent: 4569426 (1986-02-01), Sekella et al.
patent: 4664238 (1987-05-01), Nishino et al.
patent: 4804874 (1989-02-01), Nakamura
patent: 5080214 (1992-01-01), Fossum
patent: 5147902 (1992-09-01), Nakamura
LaBalle Clayton
Mita Industrial Co. Ltd.
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