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:
Feb. 18, 1997
Filed:
Nov. 13, 1995
Applicant:
Inventors:
Steven J Holden, Manlius, NY (US);
John A Schwoerer, Boston, MA (US);
Assignee:
Carrier Corporation, Syracuse, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B / ;
U.S. Cl.
CPC ...
62193 ; 62210 ; 62470 ;
Abstract
A normally closed valve is located downstream of the oil separator to insure that sufficient oil pressure builds up to lubricate the compressor. The valve is responsive to the differential pressure between discharge and economizer such that throttling takes place over a limited portion of the operating envelope.
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Holden, Steven. (1997). Back pressure control for improved system operative efficiency (U.S. Patent No. 5603227). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5603227
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