Valve control to reduce modal frequencies that may cause...

Details Valve control to reduce modal frequencies that may cause... Valve control to reduce modal frequencies that may cause...

2006-11-28

2006-11-28

Solis, Erick R (Department: 3747)

Internal-combustion engines

Charge forming device

Fuel injection system

C123S19800E, C123S090110, C123S090150, C123S192100

Reexamination Certificate

active

07140355

ABSTRACT:
A method to reduce chassis vibration in an engine with valves that may be deactivated. Valves are controlled to avoid exciting modal frequencies of mechanical components and systems.

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