Internal-combustion engines – Charge forming device – With fuel pump
Patent
1998-04-10
1999-02-16
Miller, Carl S.
Internal-combustion engines
Charge forming device
With fuel pump
123300, F02M 3704, F02M 4108
Patent
active
058709967
ABSTRACT:
A diesel fuel injector is provided with a secondary spill aperture operable to increase to a maximum value and then decrease to zero during an early part of the injection portion of the stroke of the injector pump plunger in a manner to maintain injection pressure at relatively high levels at the beginning of such injection portion of the plunger stroke whereas the rate of injection is lower during such early part of such injection portion than it would be in the absence of said secondary spill aperture.
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Buescher Alfred J.
Miller Carl S.
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