Apparatus for providing a gaseous pressure pulse

Details Apparatus for providing a gaseous pressure pulse Apparatus for providing a gaseous pressure pulse

1983-08-11

1985-10-29

Scott, Samuel

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

251 3003, 251 43, 251144, 251 44, 137590, 137901, F16K 3102

Patent

active

045497150

ABSTRACT:
The present invention is directed to an apparatus (10) for providing a gaseous pressure pulse. Apparatus (10) includes a container (12) having an exhaust path through ports (30) and (26) of a first valve (20) when a space (32) above a ball closure element (44) is relieved of overambient pressure through ports (82) and (46) of a second valve (22) when space (84) is relieved of overambient pressure by a solenoid valve (72). The first and second valves (20,22) are structured to relieve the overambient pressure on the unsealed sides of the closure elements (44,74) rapidly thereby rapidly opening the exhaust path to create a high volume, low pressure pulse.

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