Method and apparatus for controlling the operation of a solenoid

Details Method and apparatus for controlling the operation of a solenoid Method and apparatus for controlling the operation of a solenoid

1993-01-19

1993-12-07

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Fuel injection system

F02M 5100

Patent

active

052675459

ABSTRACT:
A method of controlling the operation of a solenoid comprising supplying current to the solenoid winding from an electrical source and controlling the rate of rise of the current at a predetermined rate during at least the period between initiation of the current supply and the commencement of movement of the solenoid armature, said predetermined rate of rise of the current being independent of the maximum rate of rise of the current, attainable at the nominal voltage of the electrical source.

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patent: 4953056 (1990-08-01), Yakuwa et al.
patent: 5053911 (1991-10-01), Kopce et al.

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