Engine valve actuation control and method for steady state...

Details Engine valve actuation control and method for steady state... Engine valve actuation control and method for steady state...

2005-12-06

2005-12-06

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090160, C123S090110, C123S090120

Reexamination Certificate

active

06971348

ABSTRACT:
A valve actuator control monitors engine speed, engine valve timing, engine valve lift dwell duration and engine valve seating velocity and varies the timing of the engine valve event by adjusting the lift dwell duration of the engine valve while keeping time invariant opening and closing profiles.

REFERENCES:
patent: 5456222 (1995-10-01), Schechter
patent: 5638781 (1997-06-01), Sturman
patent: 6109284 (2000-08-01), Johnson et al.
patent: 6263842 (2001-07-01), De Ojeda et al.
patent: 2003/0101951 (2003-06-01), Pierki
SAE Technical Paper 2002-01-1109.
SAE Technical Paper 1999-01-0825.
SAE Technical Paper 2004-01-1265.

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