Fluid handling – Self-proportioning or correlating systems – Mixture condition maintaining or sensing
Patent
1979-01-26
1981-03-24
Scovronek, Joseph
Fluid handling
Self-proportioning or correlating systems
Mixture condition maintaining or sensing
137563, 1376242, 137606, 23232R, 252408, 366136, 366138, 366139, 422111, 422112, 422119, F17D 312, B01F 1504, G01N 100, G05D 706
Patent
active
042574390
ABSTRACT:
Apparatus useful for blending predetermined accurately measured quantities of gaseous components transferred from separate pressurized supply tanks to a gas blending system, preferably on input signals received from a computer. The gas blending system includes a mixing vessel, a pressure transducer associated with said vessel for measuring the pressure of the gases, and producing an output signal and transmitting same to the computer, a circulating pump connected in series via conduits which form a circuit, and valves; preferably a multi-component valve assembly operatively communicating the two ends of the conduits for flow of gas therethrough in providing the functions of purging gas from the system, evacuating the system of gases, admixing the gaseous components received from the pressurized supply tanks to form the gaseous blend, and producing a product output blend of the admixed gases. The system is also provided with means for venting gases from the system in the event of over pressurization, or leakage.
REFERENCES:
patent: 3434488 (1969-03-01), Talbot
patent: 3474823 (1969-10-01), Finlayson et al.
patent: 3948281 (1976-04-01), Strain et al.
patent: 4023587 (1977-05-01), Dobritz
patent: 4046158 (1977-09-01), Hayashi et al.
patent: 4119110 (1978-10-01), Stone
Bi-M Instrument Company
Proctor Llewellyn A.
Scovronek Joseph
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