Electricity: electrical systems and devices – Control circuits for electromagnetic devices – For relays or solenoids
Patent
1978-03-17
1979-04-17
Moose, Jr., Harry E.
Electricity: electrical systems and devices
Control circuits for electromagnetic devices
For relays or solenoids
74365, H01H 4732
Patent
active
041504160
ABSTRACT:
A control circuit for a vehicle transmission system having a multi-ratio gearbox the individual ratios of which are obtained by energizing one of a plurality of solenoids by means of a selector switch. The control circuit is connected to a source of supply by means of a master switch and circuit means is provided to prevent energization of the solenoids in the event that the selector switch is left in a selection position prior to closure of the master switch.
REFERENCES:
patent: 3618417 (1971-11-01), Brown
patent: 3652901 (1972-03-01), Wakamatsu et al.
Heppenstall Keith
White Stephen A.
Lucas Industries Limited
Moose Jr. Harry E.
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