JAMES FRANZ
Crane Operators in Pittsburgh, PA
License number
Pennsylvania LCO003821
Category
Crane Operators
Type
Crane Operator
Address
Address
Pittsburgh, PA 15236
Professional information
Vehicle Propulsion Motor Control Apparatus
US Patent:
4471277, Sep 11, 1984
Filed:
Apr 30, 1982
Appl. No.:
6/373467
Inventors:
James H. Franz - Pleasant Hills PA
Assignee:
Westinghouse Electric Corp. - Pittsburgh PA
International Classification:
H02P 314
US Classification:
318376
Abstract:
A motor control apparatus operative with a voltage source and including thyristor switch devices arranged in a bridge circuit for selectively determining forward and reverse operation of a DC series motor coupled with a vehicle, said control apparatus having provision for regenerative braking of the motor to provide current back into the voltage source.