Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing
Reexamination Certificate
2005-09-13
2005-09-13
Denion, Thomas (Department: 3748)
Internal-combustion engines
Poppet valve operating mechanism
With means for varying timing
C123S090150, C123S090160, C123S090180
Reexamination Certificate
active
06941911
ABSTRACT:
An adjustable valve control device for an internal combustion engine with a drive shaft, with a camshaft1rotated by the drive shaft, and with at least one valve actuated by the camshaft1with a specific timing. The valve control device modifies the rotary phase of the camshaft1relative to the drive shaft in order to modify the timing of at least one valve and comprises a first rotor2which rotates synchronously with the drive shaft, a second rotor3which rotates synchronously with the camshaft1,and a lock bolt14for locking the first rotor2and the second rotor3relative to each other. Fluid is applied to the lock bolt14by way of a separate line15to lock the rotors and is removed to unlock the rotors.
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Audi AG
Corrigan Jaime
Denion Thomas
Stevens Davis Miller & Mosher LLP
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