Internal-combustion engines – Adjustable combustion chamber – Piston in head adjusted
Reexamination Certificate
2007-12-08
2010-02-16
Huynh, Hai H (Department: 3747)
Internal-combustion engines
Adjustable combustion chamber
Piston in head adjusted
C123S0780AA, C123S197500
Reexamination Certificate
active
07661396
ABSTRACT:
The VCR actuation subsystem includes a drive mechanism, a connecting mechanism, and an actuator mechanism. The drive mechanism includes generally identical first and second clutch assemblies. The clutch assembly includes a clutch driver plate assembly mounted on the power shaft of an engine, and a clutch driven plate assembly rotatably and longitudinally slidably mounted in a groove on the power shaft. The clutch driven plate assembly includes a pulley tire longitudinally slidably mounted on its outer wall and a spring that holds the clutch driven plate assembly away from the paired clutch driver plate assembly and pushes the clutch driven plate assembly against the other clutch driven plate assembly when the drive mechanism is not activated. The connecting mechanism includes a pair of pulleys mounted on a drive gear shaft that rotatably connects the power shaft and the actuator mechanism.
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patent: 6202623 (2001-03-01), Ehrlich
patent: 6247430 (2001-06-01), Yapici
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patent: 7007640 (2006-03-01), Sakita
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patent: 7174865 (2007-02-01), Sakita
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