Dual coil actuator with timing circuit

Details Dual coil actuator with timing circuit Dual coil actuator with timing circuit

1994-09-27

1997-01-07

Fleming, Fritz

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

Systems for magnetizing, demagnetizing, or controlling the...

361142, 361210, 361819, H01H 4704

Patent

active

055923569

ABSTRACT:
A solenoid actuator for controlling the flow of fuel used by an engine is provided. The solenoid actuator includes a solenoid housing, timing circuit housing and a solenoid connector. The solenoid housing contains a pull coil and a hold coil. First side and second side pull coil conductors are electrically connected to a first side and a second side of the pull coil, respectively. Similarly, first side and second side hold coil conductors are electrically connected to a first side and second side of the hold coil. The first and second side, pull and hold coil conductors all exit from the solenoid housing. A timing circuit housing containing a timing circuit receives the first and second side, pull and hold coil conductors. The second side pull coil conductor is connected to the timing circuit. A ground conductor extends from the timing circuit housing and is electrically connected to the timing circuit and the second side hold coil conductor. Means are provided in the timing circuit for switching the second side pull coil conductor from an electrical connection with the ground conductor to an open circuit. First and second power conductors extend from the timing circuit housing and are electrically connected to the first side hold coil conductor and the first side pull coil conductor, respectively. A solenoid connector receives the first and second power conductors and the ground conductor.

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