Internal-combustion engines – Accessories – Covers – trays – vibrators – corrosion inhibitors – air filters
Reexamination Certificate
2006-05-09
2006-05-09
Kamen, Noah P. (Department: 3747)
Internal-combustion engines
Accessories
Covers, trays, vibrators, corrosion inhibitors, air filters
Reexamination Certificate
active
07040277
ABSTRACT:
A cylinder operation control apparatus includes: an internal combustion engine (E) which is adapted to operate in an all-cylinder activation mode and in a cylinder deactivation mode; a lift amount changing device (VT) which is associated with the internal combustion engine (E), and which enables switching between the all-cylinder activation mode and the cylinder deactivation mode by changing the amount of lifts of intake and exhaust valves (IV, EV) associated with the cylinders; a lift operating device (33) which is associated with the lift amount changing device (VT) to operate the same; a cylinder activation enforcing device (33′) which is operatively disposed between the lift amount changing device (VT) and the lift operating device (33) so as to enforce the all-cylinder activation mode as necessary.
REFERENCES:
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patent: 6382173 (2002-05-01), Roe
patent: 6557518 (2003-05-01), Albertson et al.
patent: 2002-242717 (2002-08-01), None
patent: 2002-242718 (2002-08-01), None
patent: 7-63097 (1995-03-01), None
Hasebe Tetsuya
Kuroda Shigetaka
Sugiyama Tetsu
Arent & Fox PLLC
Honda Motor Co. Ltd.
Kamen Noah P.
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