Fuel-injection pump with variable cylinder capacity for diesel engine injection systems
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United States of America Patent
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-
May 29, 1990
Grant Date -
N/A
app pub date -
Dec 2, 1988
filing date -
Dec 9, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fuel-injection pump for diesel-engine injection system, comprising at least one cylinder-piston unit with an associated intake valve for the introduction of fuel delivered by an electrical supply pump, and a delivery duct. Electronic means are provided for modulating the electrical supply pump to vary the pressure of the fuel taken in by the cylinder-piston unit and consequently the bottom dead center position of the piston and hence the length of its pumping stroke.
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