Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1988-07-25
1989-12-05
Wong, Peter S.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 68D, 310117, 322 51, H02K 2140
Patent
active
048854930
ABSTRACT:
A permanent magnet alternator including a flux diversion member resiliently and magnetically coupled to the permanent magnet rotor for rotation therewith, an auxiliary (control) permanent magnet rotor rigidly coupled to the flux diversion member for rotation therewith, an auxiliary stator disposed about the auxiliary rotor, and control means for variably loading the auxiliary stator to adjust the rotary position of the flux diversion member relative to the main permanent magnet rotor. The flux diversion member comprises a plurality of magnetic flux conducting vanes which coact with the rotor magnets such that variation of its rotary position relative to the rotary position of the permanent magnet rotor varies the stator flux, and hence the alternator output voltage.
REFERENCES:
patent: 925504 (1909-06-01), Porsche
patent: 1079008 (1913-11-01), Inrig
patent: 3470408 (1969-09-01), Lewis et al.
patent: 4027229 (1977-05-01), Frink
patent: 4305031 (1981-12-01), Wharton
patent: 4766362 (1988-08-01), Sadvary
Donovan, "Motion Control with Wrap-Spring Clutches", Machine Design, 24 Sep. '87, pp. 111-114.
General Motors Corporation
Navarre Mark A.
Rebsch D. L.
Wong Peter S.
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