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. 15, 1996
Filed:
Nov. 30, 1994
Applicant:
Inventor:
Keizo Hagiwara, Tokyo, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60K / ;
U.S. Cl.
CPC ...
307 101 ; 180282 ; 429150 ;
Abstract
A drive energy control apparatus for a battery drive electric vehicle which includes a large size main switch provided between a battery power source and a load driver of the vehicle for cutting off a direct heavy current from the battery power source in an emergency. The apparatus further includes a plurality of small size subsidiary switches provided between selected ones of the battery elements for cutting off the coupling of the battery elements at a predetermined time delay after the direct heavy current from the battery power source cut off.