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:
Dec. 10, 1991
Filed:
Dec. 12, 1989
Applicant:
Inventor:
Harry F Klodowski, East Syracuse, NY (US);
Assignee:
Carrier Corporation, Syracuse, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ;
U.S. Cl.
CPC ...
436 39 ; 62127 ; 62128 ; 62129 ; 422 60 ; 422 86 ; 422 88 ; 422104 ; 436 41 ; 436100 ; 436129 ; 436136 ; 436144 ; 436167 ;
Abstract
A method and apparatus for testing for the presence and concentration of contaminants in a refrigerant. A sample of the refrigerant is withdrawn from a closed refrigeration, air conditioning or similar system and passed through a testing tube. Various sections of the tube contain provisions for the removal of oil entrained in the sample, for the removal of water contamination from the sample and for providing visual indications of the presence and concentration of a plurality of contaminants that may be present in the refrigerant.