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:
Dec. 24, 1996
Filed:
Nov. 03, 1995
Applicant:
Inventors:
Donald Yasnnascoli, Manlius, NY (US);
Alexander D Leyderman, Frederick, MD (US);
Assignee:
Carrier Corporation, Syracuse, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04C / ; F04C / ; F04C / ;
U.S. Cl.
CPC ...
418 60 ; 418 88 ; 418 94 ; 418 96 ; 184-618 ;
Abstract
In a high side, vertical, twin cylinder rolling piston hermetic compressor, a portion of the high pressure gas is diverted from the chamber defined by the lower muffler and the pump bearing to the axial bore of the crankshaft. The crankshaft extends into the oil sump such that rotation of the shaft produces a pumping action for pumping oil from the sump to structure requiring lubrication. Additionally, the flow diverted from the chamber to the axial bore produces a jet pump effect which supplements the pumping action produced by the rotating shaft, particularly at low speed.