Appliance safety valve assembly

Details Appliance safety valve assembly Appliance safety valve assembly

2005-05-24

2005-05-24

Stinson, Frankie L. (Department: 1746)

Textiles: fluid treating apparatus

Machines

Single tub and automatic sequential operation mechanism

C068S012190, C068S207000, C137S312000, C137S360000, C137S387000

Reexamination Certificate

active

06895788

ABSTRACT:
A water supply safety valve kit for an appliance in which the kit includes an individual solenoid actuated normally closed valve unit for each water supply line to the appliance and a control unit that plugs into a conventional electrical female household outlet. The control unit has a first outlet at the household line voltage and into which the power cord of the appliance plugs and a second lower voltage outlet responsive to current flow to the first outlet. A count down timer circuit and a low voltage output are activated by the current flow to the first outlet and lines connect that low voltage output to the solenoid valve unit to open the same. The count down timer terminates the low voltage output after a preselected time period.

REFERENCES:
patent: 2542279 (1951-02-01), Kempton
patent: 2949759 (1960-08-01), Sisson
patent: 2997062 (1961-08-01), Kozel et al.
patent: 3078874 (1963-02-01), Kolze
patent: 3417782 (1968-12-01), Mentnech
patent: 5000224 (1991-03-01), Olson et al.
patent: 6164319 (2000-12-01), Cochran et al.

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