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:
Oct. 24, 1978
Filed:
Jan. 26, 1977
Applicant:
Inventor:
Daniel I Pomerantz, Lexington, MA (US);
Assignee:
P.R. Mallory & Co. Inc., Indianapolis, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25D / ;
U.S. Cl.
CPC ...
62140 ; 340581 ;
Abstract
In a refrigeration mechanism including a refrigerant, a means for pressurizing the refrigerant, a means for liquifying the refrigerant, a means for vaporizing the refrigerant, and a means for circulating air to be refrigerated, the improvement comprising a means for sensing frost accumulation which includes a capacitance sensitive element disposed within the means for vaporizing the refrigerant.