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:
May. 13, 2003
Filed:
Jun. 28, 2001
Applicant:
Inventor:
Kevin Flynn, Novato, CA (US);
Assignee:
IGC-Polycold Systems Inc., Petaluma, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25B 1/00 ; F25B 4/104 ;
U.S. Cl.
CPC ...
F25B 1/00 ; F25B 4/104 ;
Abstract
A standard refrigeration pressure regulating valve limits the minimum temperature produced by a refrigeration process, which uses a refrigerant mixture including at least two components whose normal boiling points differ by at least 50C. Limiting the lowest temperature prevents freezout of the individual refrigerant.