Method and apparatus for washing and/or spin-drying laundry

Details Method and apparatus for washing and/or spin-drying laundry Method and apparatus for washing and/or spin-drying laundry

2006-09-05

2009-11-03

Stinson, Frankie L (Department: 1792)

Bleaching and dyeing; fluid treatment and chemical modification

Fluid treatment

Manipulation of liquid

C068S012040

Reexamination Certificate

active

07610644

ABSTRACT:
The invention makes provision for the weight of the contents of the drum to be continuously determined. As a result, the weight of the dry laundry in the drum and the weight of the liquid required for washing can be determined. The weight determination also makes it possible to determine the residual moisture content of the laundry, identify an unbalance and/or assist batch division. The spin dryer (10) or laundry centrifuge preferably rests on its feet (19) by means of weight sensors, that is to say is weighed. In this way, the weight of the contents of the drum as well as dynamic forces which are produced when the loaded drum is driven in rotation can be established in a simple and reliable manner.

REFERENCES:
patent: 4400838 (1983-08-01), Steers et al.
patent: 5768730 (1998-06-01), Matsumoto et al.
patent: 6065170 (2000-05-01), Jang
patent: 6460381 (2002-10-01), Yoshida et al.
patent: 6983657 (2006-01-01), Kakutani et al.
patent: 28 44 755 (1980-04-01), None
patent: 60-034493 (1985-02-01), None
patent: 1647058 (1991-05-01), None

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