Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1993-06-02
1995-07-25
Miller, Carl S.
Internal-combustion engines
Charge forming device
Fuel injection system
123496, 239464, F02M 4100
Patent
active
RE0349992
ABSTRACT:
A hole type fuel injector with a nozzle body and needle valve having cooperating inner and outer metering rings providing a metering passage (a) to provide an initial reduced rate of fuel injection during an initial increment of valve lift, (b) to maintain fuel pressure at the valve seat to reduce fuel dribble and cavitation erosion during a corresponding last increment of valve closure and (c) to prevent secondary fuel injection.
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Miller Carl S.
Stanadyne Automotive Corp.
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