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. 25, 1976
Filed:
Aug. 01, 1973
Applicant:
Inventor:
Christian Bader, Stuttgart, DT;
Assignee:
Firma Deutsche Automobilgesellschaft mbH, Hannover, DT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02P / ;
U.S. Cl.
CPC ...
318139 ; 318440 ;
Abstract
A drive system for electrically driven vehicles in which an electric motor is adapted to be driven from a driving battery which is adapted to be switched by means of a switch from partial voltage to full battery voltage; an electronic control system is provided which acts on the switch as well as on the excitation of the motor and is controlled by the motor rotational speed, by a driving pedal and by a brake pedal; the electric motor then drives a hydraulic torque converter which is interposed between the electric motor and the driven wheels.