Proportional solenoid actuator and pump system including same

Details Proportional solenoid actuator and pump system including same Proportional solenoid actuator and pump system including same

1991-05-23

1994-11-08

Smith, Leonard E.

Pumps

With condition responsive pumped fluid control

Driven pump part speed responsive

123357, F04B 4906, F02M 5934

Patent

active

053622090

ABSTRACT:
An actuator for moving a solenoid armature to control fuel in response to a control current is built into a fuel pump, with trapped air in and around the actuator preventing contamination of the actuator by ferromagnetic particles in the liquid fuel from the fuel pump.

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D. R. Hardwick, Hydraulics & Pneumatics, Aug. 1984 entitled "Understanding Proportional Solenoids".

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