Electricity: motive power systems – Motor-reversing – Armature or primary circuit control
Patent
1981-12-28
1983-06-14
Dobeck, B.
Electricity: motive power systems
Motor-reversing
Armature or primary circuit control
318DIG1, 318563, 318138, G05B 902
Patent
active
043885713
ABSTRACT:
This invention relates to a control circuit for a motor for use in driving an electrically controlled door such as an air mixing door, inner and outer surrounding air ventilation door, and mode change-over door etc. or an electro-magnetic solenoid for operating an injection pump applied in a Diesel engine or another motor for use in opening or closing a window pane etc. and protects the transistors forming the control circuit.
REFERENCES:
patent: 3809981 (1974-05-01), Maida
patent: 4070610 (1978-01-01), Rudich, Jr.
patent: 4275340 (1981-06-01), Schleupen
Kitano Yuichi
Tada Yoshiharu
Diesel Kiki Kabushiki Kaisha
Dobeck B.
Evans A.
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