Speed control for inverter driven washing machine

Details Speed control for inverter driven washing machine Speed control for inverter driven washing machine

1989-04-12

1991-01-22

Stinson, Frankie L.

Textiles: fluid treating apparatus

Machines

Single tub and automatic sequential operation mechanism

68 13R, 68139, 318257, D06F 3302

Patent

active

049860925

ABSTRACT:
A washing machine has a rotatable drum for holding items being washed and water for washing the items. The number of items in the drum and the amount of water in the drum may vary. Power is supplied from an inverter to a motor which rotates the rotatable drum. A speed control responsive to the inverter current regulates the drum rotating speed within a selected range.

REFERENCES:
patent: 2935674 (1960-05-01), Honne, Jr.
patent: 3095534 (1963-06-01), Cockrell
patent: 3152462 (1964-10-01), Elliott et al.
patent: 3152463 (1964-10-01), Sones et al.
patent: 3248908 (1966-05-01), Pope
patent: 3264544 (1966-06-01), Bowers
patent: 4400838 (1983-08-01), Steers
patent: 4741182 (1988-05-01), Dider et al.
patent: 4743820 (1988-05-01), Veach
patent: 4862710 (1987-09-01), Torita et al.

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