Combustion – Timer – programmer – retarder or condition responsive control – By condition of burner feed or feed means
Patent
1985-02-25
1987-02-03
Scott, Samuel
Combustion
Timer, programmer, retarder or condition responsive control
By condition of burner feed or feed means
431 12, 431281, 25112912, 137112, 13750541, F23N 102
Patent
active
046406778
ABSTRACT:
The present invention is directed to a gas control device for controlling the fuel gas and the oxidizing agent supplied to a burner in an atomic absorption spectrometer, which includes a first restrictor and a first pressure regulator for the fuel gas line, and a second restrictor and a second pressure regulator of the oxidizing agent line, the regulators being connected upstream of the restrictors, respectively, and servomotors for reproducibly adjusting the pressure settings of the pressure regulators, respectively.
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Bodenseewerk Perkin-Elmer & Co. GmbH
Grimes Edwin T.
Masselle Francis L.
Murphy Thomas P.
Price Carl D.
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