Bleaching and dyeing; fluid treatment and chemical modification – Fluid treatment – Manipulation of liquid
Patent
1995-12-20
1997-09-30
Coe, Philip R.
Bleaching and dyeing; fluid treatment and chemical modification
Fluid treatment
Manipulation of liquid
68 1206, 68 231, D06F 3302
Patent
active
056714947
ABSTRACT:
A method for achieving load balance in washing machines provided with a rotary drum driven by an electric motor under the control of control means, and in which a circuit is provided for measuring a physical quantity associated with information relative to the state (balanced or unbalanced) of the load in the drum, the method comprising, after the wash stage, a stage in which the drum speed is gradually increased during which the physical quantity is continuously monitored to ascertain the state of load distribution within the drum, and a stage of rapid rotational speed increase at the moment in which a state of balanced load distribution within the drum is detected.
REFERENCES:
patent: 3640098 (1972-02-01), Eastall
patent: 4344198 (1982-08-01), Arendt et al.
patent: 4765161 (1988-08-01), Williamson
patent: 4843671 (1989-07-01), Hirooka et al.
Civanelli Claudio
Galli Rocco
Coe Philip R.
Davis Mark A.
Rice Robert O.
Schwyn Thomas A.
Whirlpool Europe B.V.
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