One time high fill pressure switch

Details One time high fill pressure switch One time high fill pressure switch

2007-07-18

2008-12-16

Lee, Kyung (Department: 2832)

Electricity: circuit makers and breakers

Fluid pressure

Diaphragm

C200S0830WM

Reexamination Certificate

active

07465894

ABSTRACT:
A one time high fill pressure switch providing energy savings operation for use in a commercial or consumer appliance such as a clothes washing machine is provided. The one time high fill pressure switch provides multiple water level settings that may be selected by a user, including a maximum fill energy savings setting. Operation in the maximum fill energy savings setting allows a maximum fill level upon the first fill cycle of the programmed washing cycle. In subsequent fill cycles during the washing cycle, the one time high fill pressure switch limits the water level to a setting below the initial fill level setting. This operation is provided through the use of a hook feature on the pressure switch program cam that traps a reset spring support and is controlled by a cam follower in the pressure switch.

REFERENCES:
patent: 3249712 (1966-05-01), Rhodes et al.
patent: 3845265 (1974-10-01), Kothe
patent: 4081637 (1978-03-01), Stearley et al.
patent: 4192980 (1980-03-01), Kothe
patent: 5187338 (1993-02-01), Kaigler
patent: 5336858 (1994-08-01), Kaigler

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