Internal-combustion engines – Poppet valve operating mechanism – Electrical system
Reexamination Certificate
2005-06-20
2008-09-23
Eshete, Zelalem (Department: 3748)
Internal-combustion engines
Poppet valve operating mechanism
Electrical system
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.
REFERENCES:
patent: 5596956 (1997-01-01), Ogawa et al.
patent: 6186100 (2001-02-01), Sawada
patent: 6202608 (2001-03-01), Yamaki et al.
patent: 6334413 (2002-01-01), Hattori et al.
patent: 6374783 (2002-04-01), Toriumi
patent: 6481396 (2002-11-01), Stolk et al.
patent: 7036469 (2006-05-01), Degner et al.
patent: 7054737 (2006-05-01), Degner et al.
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
Degner Michael
Liang Feng
Alleman Hall McCoy Russell & Tuttle LLP
Eshete Zelalem
Ford Global Technologies LLC
Lippa Allan J.
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