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:
May. 27, 1997
Filed:
Oct. 31, 1995
Applicant:
Inventors:
Hirokazu Sekino, Suwa, JP;
Issei Yamakoshi, Suwa, JP;
Assignee:
Seiko Epson Corporation, Nagano-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60H / ;
U.S. Cl.
CPC ...
62244 ; 180 655 ; 310 54 ;
Abstract
An electric automobile comprises a wheel driving motor (8, 10, 15, 21, 50, 80) and a refrigerating system for air-conditioning the interior of an electric automobile. The refrigerating system has a compressor (7, 22, 57), an outdoor heat exchanger (6, 25, 53), an expansion valve (3a, 3b, 13, 27, 28, 55, 58), and an indoor heat exchanger (4, 29, 54) connected in series by a refrigerant pipe. The wheel driving motor (8, 10, 15, 21, 50, 80) is provided within the refrigerating system, and the wheel driving motor is cooled directly by the refrigerating system.