Apparatus for preparing gas mixtures from constituents taken in

Details Apparatus for preparing gas mixtures from constituents taken in Apparatus for preparing gas mixtures from constituents taken in

1988-05-02

1990-04-10

Cohen, Alan

Fluid handling

Systems

Dividing into parallel flow paths with recombining

137606, G05D 1103

Patent

active

049151231

ABSTRACT:
An apparatus for preparing gas mixtures from constituents taken in a given proportion which incorporates sources of gas mixture constituents connected to pressure-reducing valves and to a device for stabilizing absolute pressures of the gas mixture constituents an outlet of which communicates with a device for setting a proportion between the gas mixture constituents consisting of a distributor which is series-connected to at least two--depending on the number of the gas mixture constituents--sets of capillary tubes featuring all the same friction head. The device for setting the proportion between the gas mixture constituents is connected to a main mixer of the gas mixture components an outlet of which communicates with a controller of absolute pressure of the gas mixture.

REFERENCES:
patent: 3856033 (1974-12-01), Strain et al.
patent: 4191215 (1980-03-01), Gonner
patent: 4420009 (1983-12-01), Sharp
patent: 4467834 (1984-08-01), Rochat
patent: 4605034 (1986-08-01), Urshida
patent: 4658988 (1987-04-01), Hassell

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