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. 04, 1997
Filed:
Dec. 20, 1994
Applicant:
Inventors:
Keisuke Morita, Otsu, JP;
Hiroshi Matsunaga, Kusatsu, JP;
Shigeru Muramatsu, Kusatsu, JP;
Shinji Fujiwara, Otsu, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka-fu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B / ;
U.S. Cl.
CPC ...
4174101 ; 417902 ; 417D / ;
Abstract
A closed compressor includes a closed vessel made of steel and a vapor-liquid separator connected to the closed vessel. The closed vessel and the vapor-liquid separator have a discharge steel pipe and a suction steel pipe, respectively, each of which has a hexagonal portion and a threaded portion for connection with an aluminum pipe. The closed compressor of this construction is suited for use in an automotive air conditioner.