Method of accurately controlling the armature motion of an elect

Details Method of accurately controlling the armature motion of an elect Method of accurately controlling the armature motion of an elect

1996-07-22

1998-05-05

Gellner, Michael L.

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

For relays or solenoids

123 9011, 361160, 361195, 335256, 335266, F01L 902

Patent

active

057484333

ABSTRACT:
A method of controlling a motion of an armature away from an electromagnet of an electromagnetic actuator includes the following steps: passing an electric current through a solenoid of the electromagnet for holding the armature at the electromagnet against a resetting force; interrupting the current flow through the solenoid at a desired moment for releasing the armature from the electromagnet; and impressing a current pulse of reverse polarity on the solenoid after interrupting the current flow for launching the armature from the electromagnet.

REFERENCES:
patent: 5339777 (1994-08-01), Cannon

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