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:
Oct. 18, 1994
Filed:
Nov. 30, 1992
Applicant:
Inventors:
Susumu Kawaguchi, Shizuoka, JP;
Tatsuaki Shimizu, Shizuoka, JP;
Hiroshige Konishi, Shizuoka, JP;
Hitoshi Maruyama, Shizuoka, JP;
Noboru Masuda, Shizuoka, JP;
Shinobu Ogasawara, Shizuoka, JP;
Yoshihiro Sumida, Hyogo, JP;
Satoru Toyama, Hyogo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25B / ;
U.S. Cl.
CPC ...
62498 ; 62114 ; 62 84 ; 62503 ; 62468 ;
Abstract
A refrigeration device comprising a compressor, a condenser, an evaporator, an accumulator and a refrigerant is described. Lubricating oil present in the compressor is chosen so as to be insoluble with the refrigerant, and a particular accumulator design is described to ensure return of oil back to the compressor.