Servo modulating regulating control system

Details Servo modulating regulating control system Servo modulating regulating control system

1975-09-08

1976-12-14

Wayner, William E.

Automatic temperature and humidity regulation

Miscellaneous

Burner controls with automatic cutoff

137118, 236 80B, 431 60, F23Q 908

Patent

active

039971074

ABSTRACT:
A servo valve control system exemplified by way of temperature controlled gas valves. Multiple slave pressure regulating valves are utilized supplying multiple burner manifolds. The first valve of the group of valves is modulated in response to temperature. The outlet pressure of each valve is utilized to bias and thereby modulate the next pressure regulating valve. The first valve, preferably is also controlled in response to an outdoor temperature sensor.

REFERENCES:
patent: 2517869 (1950-08-01), Grapp
patent: 2898928 (1959-08-01), Kehoe
patent: 3123298 (1964-03-01), Wolffe

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