Internal-combustion engines – Combustion chamber means having fuel injection only – Injecting diverse fuels or different states of same fuel
Reexamination Certificate
2006-12-08
2009-02-03
Wolfe, Jr., Willis R. (Department: 3747)
Internal-combustion engines
Combustion chamber means having fuel injection only
Injecting diverse fuels or different states of same fuel
C123S431000, C123S432000, C123S575000
Reexamination Certificate
active
07484495
ABSTRACT:
A homogeneous charge compression ignition internal combustion engine capable of reliably reducing flame noise at a time of high-load operation is provided. The engine includes an injector which injects a liquid hydrocarbon fuel to an intake port, and an injector which directly injects an alcohol fuel into a combustion chamber. The liquid hydrocarbon fuel is distributed to an outer peripheral side of the combustion chamber, and the alcohol fuel is distributed to a central portion. The engine includes two intake valves, and divides an intake stroke into a period in which one of the intake valves is stopped and a fuel-gas mixture is flown, and a period in which the both of the intake valves are operated and the flow is suppressed, guides the liquid hydrocarbon fuel into the combustion chamber during the flow period, and injects the alcohol fuel to the combustion chamber during the flow suppression period.
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Kamio Junichi
Kiyohiro Yukihiko
Kuzuoka Kohei
Sato Takuya
Birch & Stewart Kolasch & Birch, LLP
Hoang Johnny H.
Honda Motor Co. Ltd.
Wolfe, Jr. Willis R.
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