Vehicle motor switching apparatus

Details Vehicle motor switching apparatus Vehicle motor switching apparatus

1990-10-23

1992-11-17

Smith, Jr., David

Electricity: motor control systems

Closed loop speed control system for dc motor with commutator

Field control, or field and armature control, by analog...

H02P 712, H02P 500

Patent

active

051650061

ABSTRACT:
Thers is provided a vehicle motor switching apparatus having an armature coil, a series circuit including a series coil and connecting the armature coil and a battery and a shunt coil, comprising a switch for connecting the shunt coil to the series circuit in parallel to the armature coil to set up the motor as a compound-wound motor when the shunt coil is connected to the series circuit, while set up the motor as a series motor when disconnected therefrom. The apparatus further comprises a switch for disconnecting the series coil from the series circuit to set up the motor as a shunt motor when the shunt coil is connected to the series circuit and the series circuit is disconnected therefrom.

REFERENCES:
patent: 3755724 (1973-08-01), Anderson
patent: 4114076 (1978-09-01), Teranishi et al.
patent: 4171506 (1979-10-01), Horiuchi et al.

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