Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing
Reexamination Certificate
2007-06-19
2007-06-19
Denion, Thomas (Department: 3748)
Internal-combustion engines
Poppet valve operating mechanism
With means for varying timing
C123S090150, C123S090310
Reexamination Certificate
active
11459123
ABSTRACT:
A VCT phaser having a mechanical feedback in which no elaborate sensors and its concomitant electronic control loop is required. The phaser has center mounted spool valve controlling the flow of control fluid such that when a command positions the same at a predetermined position, passages within the phaser adjusts to a desired position through the mechanical feedback.
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Jiang Zhenyu
Mott Andrew
Mott Philip J.
Borg-Warner Inc.
Brown & Michaels PC
Denion Thomas
Dziegielewski Greg
Eshete Zelalem
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