Gas valve using modular construction

Details Gas valve using modular construction Gas valve using modular construction

1987-12-15

1989-07-25

Hepperle, Stephen

Automatic temperature and humidity regulation

Miscellaneous

Burner controls with automatic cutoff

137 66, 137110, 137489, 13762411, 431 62, 431 69, F23N 100

Patent

active

048505307

ABSTRACT:
A gas valve for controlling the flow of a combustible, gaseous fuel to a burner employs a modular construction and is configurable to be fast or slow opening, to be step opening or to provide two firing rates in accordance with external signals applied thereto.

REFERENCES:
patent: 3300174 (1967-01-01), Urban et al.
patent: 3351085 (1967-11-01), Allingham
patent: 3552430 (1971-01-01), Love
patent: 3749120 (1973-07-01), Love et al.
patent: 3776268 (1973-12-01), Visos et al.
patent: 4060370 (1977-11-01), Fleer
patent: 4543974 (1985-10-01), Dietiker
patent: 4549571 (1985-11-01), Kelly
patent: 4729396 (1988-03-01), Kelly et al.

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