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:
Nov. 25, 1997
Filed:
Nov. 25, 1996
Applicant:
Inventors:
Don A Schuster, Martinsville, IN (US);
Jeffrey L Jones, Beech Grove, IN (US);
Loren D Hoffman, Indianapolis, IN (US);
Jeffery A Storie, Indianapolis, IN (US);
Assignee:
Carrier Corporation, Syracuse, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B / ;
U.S. Cl.
CPC ...
62511 ; 62527 ; 1375133 ;
Abstract
To prevent refrigerant leakage when operating in a metering mode, a refrigerant expansion device, designed to selectively operate in either the meteting or bypass mode of operation, has a cylindrical ring installed to tightly hold the meteting piston in its metering position so as to prevent leakage ofrefrigerant therearound.