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:
Aug. 16, 1994
Filed:
Feb. 19, 1993
Applicant:
Inventors:
Fred L Ptacek, Joshua, TX (US);
George R Outlaw, Arlington, TX (US);
Charles R Smith, Grapevine, TX (US);
Assignee:
Wynn's Climate Systems, Inc., Fort Worth, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F25B / ;
U.S. Cl.
CPC ...
62195 ; 62475 ;
Abstract
A monitor used in refrigerant recovery systems to detect and reduce non-condensable vapor in a storage container. The monitor has a sampling reservoir that draws a sample of liquid refrigerant contained in a storage container. The sample of liquid refrigerant is allowed to reach equilibrium, providing a saturated vapor pressure, which is compared to the vapor pressure in an upper portion of the container. The difference in pressure between the sampling reservoir and the container indicating when the container should be exhausted.