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:
Aug. 17, 1999
Filed:
Dec. 18, 1997
Applicant:
Inventors:
Ki-Nam Kim, Seoul, KR;
Seung-Il Jang, Seoul, KR;
Assignee:
Mando Machinery Corporation, Gunpo, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K / ; H02K / ;
U.S. Cl.
CPC ...
310 / ; 310 58 ; 310 63 ;
Abstract
A drive motor for an electric vehicle includes a cylindrical housing, a cylindrical stator disposed within the housing, a coil wound around the stator, a rotor disposed within the stator, and front and rear covers respectively coupled on front and rear ends of the housing. The housing includes a cylindrical coolant passage concentrically formed around the stator in the housing, and the front or rear cover includes a coolant inlet port through which coolant is fed to the coolant passage and a coolant outlet port through which coolant circulated the coolant passage is exhausted.