Electricity: motive power systems – Induction motor systems – Primary circuit control
Patent
1983-04-11
1984-09-25
Weldon, Ulysses
Electricity: motive power systems
Induction motor systems
Primary circuit control
310180, H02P 748
Patent
active
044737882
ABSTRACT:
A single phase alternating current two pole/six pole motor is provided with a main stator winding having six coils disposed unequally around the periphery of the machine. These coils are divided into two groups. When these groups are connected such that their magnetomotive forces are additive, two pole motor operation results. When the polarity of one of the groups is then reversed, six pole motor operation results. An auxiliary stator winding which is similar to the main stator winding is displaced from the main stator winding by 90 electrical degrees on a two pole basis.
REFERENCES:
patent: 771246 (1904-10-01), Henshaw
patent: 1859368 (1932-05-01), Kennedy
patent: 1859369 (1932-05-01), Kennedy
patent: 2820938 (1958-01-01), Davies
patent: 3233160 (1966-02-01), Rawcliffe
patent: 3295034 (1966-12-01), Herzog
patent: 3619730 (1971-11-01), Broadway
Lenart R. P.
Ro Bentsu
Weldon Ulysses
Westinghouse Electric Corp.
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