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:
Mar. 15, 1977
Filed:
Feb. 27, 1975
Applicant:
Inventors:
Donald Hammond Rist, Erie, PA (US);
Barry Jay Turley, Erie, PA (US);
Assignee:
General Electric Company, Erie, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60L / ;
U.S. Cl.
CPC ...
318149 ; 318 84 ; 290 14 ; 321 61 ;
Abstract
An electrical propulsion control system for self-propelled traction vehicles of the type having a prime mover-driven electric generator supplying energy to traction motors and regulating means for maintaining the electrical output of the generator within desired limits, wherein the limit of generator output voltage is varied between zero and a predetermined maximum level as a function of desired vehicle speed.