The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 03, 1987
Filed:
Feb. 25, 1985
Applicant:
Inventor:
Bernhard Huber, Uberlingen, DE;
Assignee:
Bodenseewerk Perkin-Elmer & Co., GmbH, Uberlingen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F23N / ;
U.S. Cl.
CPC ...
431 89 ; 431 12 ; 431281 ; 25112912 ; 137112 ; 13750541 ;
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.