Apparatus and method for precision gas mixing

Details Apparatus and method for precision gas mixing Apparatus and method for precision gas mixing

1981-01-26

1983-07-12

Cohan, Alan

Fluid handling

Systems

Programmer or timer

137607, G05D 1113

Patent

active

043925146

ABSTRACT:
Method and apparatus for precisely mixing gases in which solenoid valves sequentially feed separate gases to be mixed to a common pressure regulator and flowmeter.

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patent: 3809109 (1974-05-01), Breiling et al.
patent: 3830256 (1974-08-01), Cox
patent: 3848617 (1974-11-01), Dray
patent: 3886971 (1975-06-01), Lundsgaard et al.
patent: 3905384 (1975-09-01), Berger
patent: 4019523 (1977-04-01), Clark et al.
patent: 4062373 (1977-12-01), Clark et al.
patent: 4072148 (1978-02-01), Munson et al.
patent: 4165532 (1979-08-01), Kendall

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