| 摘要 |
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.
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