Repulsion actuated potential energy driven valve mechanism

Details Repulsion actuated potential energy driven valve mechanism Repulsion actuated potential energy driven valve mechanism

1988-02-08

1989-05-23

Wolfe, Willis R.

Internal-combustion engines

Poppet valve operating mechanism

Electrical system

25112910, 335234, F01L 904

Patent

active

048319732

ABSTRACT:
A bistable electronically controlled transducer having an armature reciprocable between first and second positions is disclosed including either a stressed spring or compresed air within a closed chamber in the transducer for causing the armature to move, and a permanent magnet latching arrangement for holding the armature in either one of the positions. An electromagnetic repulsion motor overpowers the effect of the permanent magnet latching arrangement releasing the armature to move from one to the other of the positions. The transducer finds particular utility as an actuator mechanism for moving internal combustion engine valves.

REFERENCES:
patent: 3738337 (1973-06-01), Massie
patent: 3741176 (1973-06-01), Schmidt et al.
patent: 4072918 (1978-02-01), Read, Jr.
patent: 4393832 (1983-07-01), Samuel et al.
patent: 4614170 (1986-09-01), Pischinger et al.
patent: 4683452 (1987-07-01), Henley
patent: 4715331 (1987-12-01), Kreuter
patent: 4715332 (1987-12-01), Kreuter
patent: 4749167 (1988-06-01), Gottschall
patent: 4779582 (1988-10-01), Lequesne

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