Claw pole type synchronous motor

Details Claw pole type synchronous motor Claw pole type synchronous motor

1997-09-10

1998-10-06

Dougherty, Thomas M.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 49R, H02K 1902, H02K 2114

Patent

active

058181431

ABSTRACT:
A claw pole type synchronous motor has input frequency increasing portions in a form of notches or holes formed in portions of claw poles which have the lowest magnetic flux densities so that the motor operates in a range from a low frequency to a high frequency without lowering torques too much.

REFERENCES:
patent: 2901645 (1959-08-01), Sulger
patent: 3310696 (1967-03-01), Jullien-Davin
patent: 3414751 (1968-12-01), Bossard
patent: 3475630 (1969-10-01), Heinzen et al.
patent: 4059780 (1977-11-01), Masuir
patent: 4381465 (1983-04-01), Renkl et al.
patent: 4656381 (1987-04-01), Komatsu
patent: 4794292 (1988-12-01), Torisawa
T. Kenjo; "Stepping Motors and Their Microprocessor Controls"; 1984; pp. 40-45; Monographs in Electrical and Electronic Engineering 16; Oxford Science Publications.

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