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:
Mar. 23, 1999
Filed:
Feb. 26, 1997
Applicant:
Inventors:
Yoshifumi Matsumoto, Otsu, JP;
Shigeru Muramatsu, Kusatsu, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
F04C / ; F04C / ;
U.S. Cl.
CPC ...
418 556 ; 418 88 ; 418 94 ; 184-618 ;
Abstract
In a scroll compressor, a gas purge bore is formed to extend from an oil bore penetrating a drive shaft of the compressor, causing coolant gas to be expelled out with rising of lubricating oil sucked up by an oil pump through the oil bore. This allows the lubricating oil to rise without undergoing resistance of the coolant gas. By positioning the oil bore close to an oil groove formed in an eccentric bearing, the lubricating oil can be surely supplied to the oil groove.