Patent ID: 6895788
Filing Date: 2005-05-24
Classification: A47L,D06F,Y10T

Abstract:
1. An appliance safety valve assembly, comprising, (a) a solenoid controlled normally closed single valve unit having an inlet coupling and an outlet coupling; (b) a control unit that plugs into a conventional household 110V AC power supply female outlet and having a first female outlet thereon at said power supply voltage and into which the power supply cord for the appliance can be plugged, said control unit having therein a circuit that includes a count down timer, a voltage step-down device selectively providing a low voltage output of less than the operating voltage of the appliance, and means sensing current flow to said first power outlet, said low voltage output being activated in response to current flow to said first outlet detected by said current flow sensing means and deactivated by said count down timer; and (c) means connecting said low voltage output to terminals of a coil portion of the solenoid of said valve unit to open said normally closed valve upon said detected current flow and close the same upon a preselected time lapse.