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:
Apr. 13, 1976
Filed:
Jun. 28, 1974
Applicant:
Inventor:
Otto Blunck, Hamburg, DT;
Assignee:
H. Maihak AG, Hamburg, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
250343 ; 356 51 ;
Abstract
A non-dispersive infrared analyzer, particularly for determining the concentration of a gas in a gas mixture, including a source of infrared radiation, means for modulating the radiation beam, a test chamber in the path of the modulated beams and containing the gas to be analyzed; an absorption chamber in the path of the beams exiting the test chamber, including a forward and a rear portion through which the beams sequentially traverse; and a vaned adjustment structure located in the rear portion of the absorption chamber for adjusting the path length of the beams in the rear portion of the absorption chamber.