Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing
Reexamination Certificate
2007-06-12
2007-06-12
Chang, Ching (Department: 3748)
Internal-combustion engines
Poppet valve operating mechanism
With means for varying timing
C123S090150, C123S090600, C029S888100, C464S160000
Reexamination Certificate
active
11306018
ABSTRACT:
An adjustable camshaft system for an automotive engine includes a camshaft having machined and fabricated axially-directed control passages combined with an oil-activated camshaft phaser. The fabricated oil control passages are formed within a portion of the camshaft having an outside diameter which is substantially equal to the outside diameter of other portions of the camshaft fitted within bearings carried within the engine's cylinder head.
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Beltramo Joel John
Fleming Jonathan Edward
O'Gorman Ryan
Artz & Artz P.C.
Chang Ching
Ford Global Technologies LLC
Smith Gary A.
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