Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing
Reexamination Certificate
2011-04-12
2011-04-12
Denion, Thomas E. (Department: 3748)
Internal-combustion engines
Poppet valve operating mechanism
With means for varying timing
C123S090150
Reexamination Certificate
active
07921820
ABSTRACT:
A valve timing control apparatus includes a driving rotation member, a driven rotation member, an advance angle chamber displacing a rotation phase of the driven rotation member relative to the driving rotation member in an advance angle direction, a retard angle chamber displacing the relative rotation phase in a retard angle direction, a groove provided on at least one of an inner surface of the driving rotation member and an outer surface of the driven rotation member for supplying the hydraulic fluid to a sliding contact portion formed by the inner surface of the driving rotation member and the outer surface of the driven rotation member, an advance angle oil passage, a retard angle oil passage, and a groove oil passage for supplying the hydraulic fluid to the groove.
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European Search report issued Apr. 9, 2010 by the European Patent Office in European Patent Application No. 08021402.6.
Kawai Yoshiyuki
Kimura Ichiro
Aisin Seiki Kabushiki Kaisha
Bernstein Daniel A
Buchanan & Ingersoll & Rooney PC
Denion Thomas E.
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