Variable lift electromagnetic valve actuator system

Details Variable lift electromagnetic valve actuator system Variable lift electromagnetic valve actuator system

1986-12-22

1988-10-18

Wolfe, Jr., Willis R.

Internal-combustion engines

Poppet valve operating mechanism

Electrical system

123 9015, F01L 904, F01L 134

Patent

active

047779152

ABSTRACT:
A housing on the cylinder head of an engine operatively supports an upper solenoid and a tubular lower solenoid such that therein working pole faces are opposed to each other for operatively effecting movement of an armature fixed to the free stem end of a poppet valve having its stem extending up through the lower solenoid. Upper and lower springs each have one end thereof positioned in the upper and lower solenoids, respectively, and the lower solenoid has an actuator operatively connected thereto to effect axial position of the lower solenoid relative to the upper solenoid, while the upper solenoid has a lash adjuster operatively associated therewith.

REFERENCES:
patent: 2700395 (1955-01-01), Young
patent: 3633869 (1972-01-01), Lehmann
patent: 3788597 (1974-01-01), Ichioka
patent: 3882833 (1975-05-01), Longstaff et al.
patent: 4455543 (1984-06-01), Pischinger et al.
patent: 4515343 (1985-05-01), Pischinger et al.
patent: 4533890 (1985-08-01), Patel
patent: 4544986 (1985-10-01), Buchl
patent: 4614170 (1986-09-01), Pischinger et al.

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