Internal-combustion engines – Combustion chamber means combined with air-fuel mixture... – Air or combustible mixture entering the combustion chamber...
Reexamination Certificate
2007-03-27
2007-03-27
Huynh, Hai (Department: 3747)
Internal-combustion engines
Combustion chamber means combined with air-fuel mixture...
Air or combustible mixture entering the combustion chamber...
C123S302000, C123S305000, C123S308000
Reexamination Certificate
active
11113325
ABSTRACT:
A fuel injector for an internal combustion engine which has a spray hole designed geometrically to produce a spray of fuel so that substantially 70% or more of an amount of the spray hits a preselected area of a head of an intake valve of the engine when the intake valve is closed. The preselected area is one of a first and a second area of the intake valve head which are defined by a reference boundary line extending through a base end of a stem of the intake valve. The preselected area is the first area closer to an intake manifold, while the second area is closer to an exhaust valve. This avoids rich misfire and reduces HC emissions from the engine regardless of the intake valve is in a closed state or in an open state.
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Kayama Ryozo
Matsuo Tetsuharu
Suzuki Hideki
Tomiita Yukio
Denso Corporation
Huynh Hai
Nixon & Vanderhye PC
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