Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing
Reexamination Certificate
2006-03-28
2006-03-28
Solis, Erick (Department: 3747)
Internal-combustion engines
Poppet valve operating mechanism
With means for varying timing
C123S090110
Reexamination Certificate
active
07017539
ABSTRACT:
A system to control valves of an internal combustion engine. Electromechanical valves are controlled in a manner to reduce hydrocarbon emissions of an internal combustion engine. Further, the system may contain both mechanical and electromechanical valves to reduce cost and increase performance.
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Kluting, Flierl, Grudno and Luttermann; MTZ Magazine, Aug. 1999, “Drosselfreie Las
Cullen Michael J.
Lewis Donald J.
Michelini John O.
Russell John D.
Alleman Hall McCoy Russell & Tuttle LLP
Ford Global Technologies LLC
Lippa Allan J.
Solis Erick
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