Water flow responsive control for a liquid heater

Details Water flow responsive control for a liquid heater Water flow responsive control for a liquid heater

1978-03-27

1980-01-22

Sprague, Kenneth W.

Liquid heaters and vaporizers

Automatic control of fluid fuel and water

Once through

236 23, F22B 3500, F23N 108

Patent

active

041844572

ABSTRACT:
A venturi operated water flow responsive valve controls the flow of gas to the burner of an instantaneous water heater by controlling the flow of gas between chambers of a main control valve. The venturi operated valve is of the diaphragm type and the gas flow is controlled as a function of water flow rate.

REFERENCES:
patent: 2258590 (1941-10-01), Merten
patent: 3627202 (1971-12-01), Meier
patent: 3722523 (1973-03-01), Kawabata et al.
patent: 3917162 (1975-11-01), Trotter et al.

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