Bleaching and dyeing; fluid treatment and chemical modification – Fluid treatment – Manipulation of liquid
Patent
1993-10-12
1994-11-08
Coe, Philip R.
Bleaching and dyeing; fluid treatment and chemical modification
Fluid treatment
Manipulation of liquid
8159, 68 1212, 68 1214, 68 1219, 68 234, D06F 2304
Patent
active
053614399
ABSTRACT:
A method and apparatus for spinning and draining an automatic clothes washer after a wash or rinse cycle. After the water is pumped down, the spin drive and drain pump are activated with an on and off schedule of increasing on times, but constant off times. For example, the spin drive and drain pump may be activated for on times of 10, 15, 20, etc. with interleaved off times of 5 seconds. The off times of the drain pump allow suds in the drain pump to be purged, and thereby increase the steady state flow rate of the drain pump.
REFERENCES:
patent: 4782544 (1988-11-01), Nystuen et al.
patent: 4843671 (1989-07-01), Hirooka et al.
Clark William R.
Coe Philip R.
Speed Queen Company
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