Gas flow controller

Details Gas flow controller Gas flow controller

1981-12-24

1984-03-20

Chambers, A. Michael

Fluid handling

Line condition change responsive valves

Pilot or servo controlled

137 8, 137 12, 137557, F16K 3102

Patent

active

044374895

ABSTRACT:
A flow controller having a volume, a pressure transducer coupled to said volume, a first valve coupled between a source of gas under pressure and said volume, a second valve coupled between said volume and a reference volume, a third valve coupled between said reference volume and a load wherein said valves are cyclically operated so as to permit gas to flow through said volumes to a load and wherein maximum and minimum pressures are measured with said first and second valves closed.

REFERENCES:
patent: 4373549 (1983-02-01), Nalepa et al.

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