Servo valve type timer for fuel injection pump
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United States of America Patent
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Jun 17, 1997
Grant Date -
N/A
app pub date -
Jun 19, 1995
filing date -
Jun 24, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A servo valve type timer for controlling a fuel injection timing on the basis of the difference in pressure between a high-pressure chamber and a low-pressure chamber, including a timer piston for adjustment of a fuel injection timing which is disposed between the high-pressure chamber and the low-pressure chamber so as to be slidable between the high-pressure chamber and the low-pressure chamber and is operated in accordance with a fuel pressure introduced into the high-pressure chamber and/or the low-pressure chamber, a servo valve for controlling the operation of the timer piston, and a pressure control member for adjusting the fuel pressure of the low-pressure chamber.
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