Damping system for a washing machine

Details Damping system for a washing machine Damping system for a washing machine

1992-01-10

1993-12-14

Ramirez, Ramon O.

Textiles: fluid treating apparatus

Machines

Single tub and automatic sequential operation mechanism

68 233, 200 6145R, 248550, 248638, D06F 3724

Patent

active

052691594

ABSTRACT:
In a washing machine having a tub and a cabinet, gap sensors and electromagnets are mounted on the tub and other electromagnets are mounted on the cabinet. Thus, in order to prevent vibrations generated at the tub during the washing operation and dehydrating operation, the gap sensors sense the vibrations, and active damping devices and control signal portions generate control signals, so that when the tub and the cabinet become each closer to each other than the reference distance, the electromagnets generate repulsive forces and when the tub and the cabinet become more distant from each other than the reference distance, the electromagnets generate attractive forces, whereby vibrations generated at the tub are decreased.

REFERENCES:
patent: 3098372 (1963-07-01), Bochan
patent: 3226959 (1966-01-01), Smith et al.
patent: 3636734 (1972-01-01), Getz
patent: 4411664 (1983-10-01), Rickard et al.
patent: 4624435 (1986-11-01), Freudenberg
patent: 4640105 (1987-02-01), Kushner et al.
patent: 4742698 (1988-05-01), Torita

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