Boiling water dispenser having improved water temperature contro

Details Boiling water dispenser having improved water temperature contro Boiling water dispenser having improved water temperature contro

1989-09-15

1991-05-28

Reynolds, Bruce A.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

99281, 219437, 392449, F24H 110

Patent

active

050196901

ABSTRACT:
A boiling water dispenser includes a hot water reservoir, a user-actuated faucet for drawing boiling water from a discharge zone at the top of the reservoir, and a solenoid-actuated valve for admitting unheated water to an inlet zone at the bottom of the reservoir. An electric resistance heating element within the reservoir is supplied with AC current through a series- connected bilateral switch device which is periodically switched on and off in response to the sensing of steam in a reservoir venting conduit to maintain the dispensing temperature at the boiling point. An indicator lamp conditioned by a sensor in the reservoir confirms to the user that the dispensing temperature is at the boiling point.

REFERENCES:
patent: 3784788 (1974-01-01), Fourny
patent: 4455477 (1984-06-01), Massey et al.
patent: 4544830 (1985-10-01), Miller
patent: 4602145 (1986-07-01), Roberts

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