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. 21, 1997
Filed:
Oct. 18, 1995
Applicant:
Inventors:
Yuichi Ueno, Kariya, JP;
Noriyoshi Miyajima, Nukata-gun, JP;
Osamu Ishida, Wako, JP;
Takashi Kageyama, Wako, JP;
Assignees:
Nippondenso Co., Ltd., Kariya, JP;
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F25B / ;
U.S. Cl.
CPC ...
62200 ; 62244 ;
Abstract
An air-conditioner wherein the lubrication oil flowing through the refrigerant passage along with the refrigerant is reliably returned to the refrigerant compressor by having the refrigerant piping at the suction side of the compressor comprised of a first refrigerant piping and a second refrigerant piping connected in series with the same, the large diameter first refrigerant piping extending from a high position to a low position and the relatively small diameter second refrigerant piping extending in substantially the horizontal direction.