Fluid handling – Systems – With pump
Patent
1979-01-26
1981-03-10
Yasich, Daniel M.
Fluid handling
Systems
With pump
137557, 13762512, 364558, 364571, G05D 706, G01M 2700
Patent
active
042547970
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, the 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: 3335755 (1967-08-01), Harris et al.
patent: 3653842 (1972-04-01), Putman
patent: 3780761 (1973-12-01), Whitson et al.
patent: 3934462 (1976-01-01), Rende
patent: 3948281 (1976-04-01), Strain et al.
patent: 4085766 (1978-04-01), Weigl et al.
patent: 4142860 (1979-03-01), Mayeaux
Bi-M Instrument Company
Proctor Llewellyn A.
Yasich Daniel M.
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