Electric powered vehicle and method of propelling the same

Details Electric powered vehicle and method of propelling the same Electric powered vehicle and method of propelling the same

1985-04-03

1986-12-30

Shoop, Jr., William M.

Electricity: motive power systems

Plural, diverse or diversely controlled electric motors

Slipping and/or racing control for electric motors

318 49, 318113, 318139, B61C 1512

Patent

active

046331476

ABSTRACT:
An electric powered vehicle or the like includes a first mechanical drive system for a first side of the vehicle and a second mechanical drive system for a second side of the vehicle. A first DC motor and a second DC motor are respectively coupled to the first mechanical drive system and the second mechanical drive system. A source of DC power is on the vehicle. The first DC motor has a first field and a first armature and the second DC motor has a second field and a second armature. The first field, the first armature, the second field, and the second armature are connected in a series circuit with the source of power. A voltage sensing relay across the first armature can detect a high voltage across the first armature to sense a loss of traction of the first mechanical drive system. A switching circuit is employed to disable the first motor from the series circuit in response to the voltage sensing relay. There is also included a method for providing propulsion for an electric powered vehicle when a mechanical drive system at one side thereof experiences a loss of traction.

REFERENCES:
patent: 2315386 (1943-03-01), Baldwin
patent: 2361168 (1944-10-01), Baston
patent: 2773227 (1956-12-01), Lillquist
patent: 2930957 (1960-03-01), Cronberger
patent: 4465142 (1984-08-01), Lely et al.
patent: 4489256 (1984-12-01), Brodsky

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