Machine drive system and method

Details Machine drive system and method Machine drive system and method

1992-06-17

1995-01-03

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310179, 318741, 318800, 318806, H02K 1100, H02K 300, H02K 312, H02P 140

Patent

active

053789520

ABSTRACT:
A drive system for washing machines, electric vehicles or the like has its winding switched to effect speed change and an asynchronous motor operated by a frequency converter where there are more than two grooves per pole and phase with respect to the motor and the number of grooves of the rotor exceeds the number of grooves of the stator whose sheet pack is welded along the back. The windings are formed as short-pitched chord half-hole windings.

REFERENCES:
patent: 3152462 (1964-10-01), Elliott et al.
patent: 3260910 (1966-07-01), Spindler
patent: 4023071 (1977-05-01), Fussell
patent: 4081726 (1978-03-01), Brimer et al.
patent: 4450398 (1984-05-01), Bose
patent: 4752707 (1988-06-01), Morrill
patent: 4823065 (1989-04-01), Gousset
patent: 4824132 (1989-04-01), Gritter
patent: 4880391 (1989-11-01), Hurtgen
patent: 5006777 (1991-04-01), Lagroe
patent: 5068559 (1991-11-01), Setake et al.
patent: 5194797 (1993-03-01), Kahkipuro

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