Enhanced permanent magnet electromagnetic actuator for an...

Internal-combustion engines – Poppet valve operating mechanism – Electrical system

Reexamination Certificate

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C123S090150, C251S129010

Reexamination Certificate

active

07426911

ABSTRACT:
A valve actuator for actuating a valve in an internal combustion engine is disclosed, wherein the valve actuator includes at least one electromagnet having a coil wound about a core, at least one permanent magnet disposed at least partially within the core, and an actuating member disposed adjacent to the electromagnet, wherein the actuating member is coupled to a pivot and is configured to be pivotally moved by activation of the electromagnet to effect at least one of an opening and a closing of the valve.

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patent: 2002/0020372 (2002-02-01), Stolk et al.
patent: 2005/0207086 (2005-09-01), Degner et al.
patent: 1174595 (2002-01-01), None
patent: 1174595 (2002-01-01), None

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