Motive fluid supply system for metering valve

Pumps – Expansible chamber type – Pump chamber in constant communication with inlet or...

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222194, 302 49, B67D 554

Patent

active

040872149

ABSTRACT:
An air supply system for supplying air to a periodically opened valve comprising a conduit for connecting the valve in continuous communication with a source of air and an expandable air storage chamber connected to the source of air and to the valve.

REFERENCES:
patent: 888833 (1908-05-01), Miller
patent: 1546706 (1925-07-01), Bezzenberger
patent: 1638048 (1927-08-01), Matheson
patent: 2681012 (1954-06-01), Hackman
patent: 2795932 (1957-06-01), McLuen
patent: 2914223 (1959-11-01), Richter
patent: 3806199 (1974-04-01), Aonuma et al.

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