Adjusting valve lash for an engine with electrically...

Details Adjusting valve lash for an engine with electrically... Adjusting valve lash for an engine with electrically...

2007-01-23

2007-01-23

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

Electrical system

C123S090150, C123S090240, C251S129160, C251S129180, C251S129070, C251S129060, C701S105000, C701S111000

Reexamination Certificate

active

11047462

ABSTRACT:
A system and method for controlling electromechanical valves operating in an engine is presented. According to the method, armature levitation position may be changed to accommodate varying rates of valve stem growth. The method may reduce valve noise during a wide range of engine operating conditions.

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Abstract, “PSA Peugeot Citroen EVE Concept: Additional Improvement of Potential and Major Breakthrough in NVH Area”, Morin et al., pp. 261-289.

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