Rate control in accumulator type fuel injectors
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United States of America Patent
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-
Aug 14, 1990
Grant Date -
N/A
app pub date -
Feb 24, 1989
filing date -
Feb 24, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention provides means for controlling the rate of fuel injection of an accumulator injector of the type employing a pressure amplifying piston assembly. In one form of the invention, the injection rate is controlled by restricting the pressure decay in the amplifier chamber. In another form of the invention, means are provided for delaying the full opening of the injector valve needle after an initial valve opening.
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Family
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