Adjusting ballistic valve timing

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

Reexamination Certificate

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Details

C123S090150, C123S090160

Reexamination Certificate

active

07458345

ABSTRACT:
A system and method for controlling electromechanical valves operating in an engine is presented. According to the method, valve timing can be adjusted in a number of ways. The method can also compensate for changes in the natural response of the valve apparatus.

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