Apparatus for controlling the volumetric ratio between mixed gas

Details Apparatus for controlling the volumetric ratio between mixed gas Apparatus for controlling the volumetric ratio between mixed gas

1975-04-08

1977-08-16

Cline, William R.

Fluid handling

Self-proportioning or correlating systems

Mixture condition maintaining or sensing

G05D 1100

Patent

active

040419690

ABSTRACT:
An elongated hollow tube containing a freely movable ball is used to indicate and vary the ratio between gases to be mixed by passing each gas into a separate end of the tube. A critical pressure relationship is established between the applied gases at any given location relative to each oppposite end of the tube and between the gas pressures at such locations and the pressure on each side of the ball respectively. This relationship is established using pressure regulators on each side of the tube with at least one restricting orifice in one gas line.

REFERENCES:
patent: 1947923 (1934-02-01), Schweitzel
patent: 3726300 (1973-04-01), Chevalier
patent: 3739799 (1973-06-01), Bickford
patent: 3809109 (1974-05-01), Breiling et al.
patent: 3848617 (1974-11-01), Dray

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