Internal-combustion engines – Adjustable combustion chamber – Piston in head adjusted
Reexamination Certificate
2006-12-27
2008-10-14
Kamen, Noah (Department: 3747)
Internal-combustion engines
Adjustable combustion chamber
Piston in head adjusted
C123S0780BA
Reexamination Certificate
active
07434548
ABSTRACT:
In a control device for a hydraulic actuator, one end of an oil passage that is provided through a connecting rod, a crankshaft and a crankcase supporting the crankshaft is connected to a hydraulic chamber of a hydraulic actuator provided in a piston connected to the crankshaft via the connecting rod with the other end of the oil passage being connected to an oil reservoir and a hydraulic pressure source via a main switching valve. An auxiliary switching valve is provided in the connecting rod. The auxiliary switching valve causes a downstream side of the oil passage that leads to the hydraulic chamber to open into the crankcase when the main switching valve allows the oil passage to communicate with the oil reservoir.
REFERENCES:
patent: 2005-54619 (2005-03-01), None
Ito Yuuichi
Kondo Takashi
Takahashi Kazutaka
Birch & Stewart Kolasch & Birch, LLP
Honda Motor Co. Ltd.
Kamen Noah
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