Pneumatically controlled dump valve system for gas scrubbers

Details Pneumatically controlled dump valve system for gas scrubbers Pneumatically controlled dump valve system for gas scrubbers

1984-03-06

1985-03-19

Walton, George L.

Fluid handling

Freeze condition responsive safety systems

137397, 13710125, 137414, 137434, 251 28, E03B 712, F16K 31145, F16K 3300

Patent

active

045052883

ABSTRACT:
A rising liquid level in a gas scrubber for an air compressor is sensed by a float in the scrubber which opens a normally closed pneumatic vent valve whereby a very small pneumatic signal is delivered through a pneumatic spool valve to the chamber of a large diaphragm liquid dump valve on the scrubber which is operated automatically to drain liquid from the scrubber to maintain a safe liquid level in the scrubber. The dump valve mounted on the scrubber side wall penetrates deeply into the scrubber to avoid freezing of the dump valve.

REFERENCES:
patent: 2431283 (1947-11-01), Spence
patent: 2520302 (1950-08-01), Barnes
patent: 2853093 (1958-09-01), Kuhles
patent: 3052254 (1962-09-01), Parks
patent: 3970099 (1976-07-01), Murphy, Jr. et al.
patent: 4436109 (1984-03-01), Taylor

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