Accumulator-type injection system
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United States of America Patent
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-
Jul 29, 1997
Grant Date -
N/A
app pub date -
Dec 22, 1995
filing date -
Dec 22, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An accumulator-type injection system having an injector and a control valve connected with the injector for controlling injection. In a first switching position of the control valve, an injector body fuel duct, which leads in front of the orifices, is connected with a fuel accumulator. In a second switching position, a passage is opened up by the control valve which connects the fuel duct with a return flow. As a result, in the injection pauses, the fuel pressure in front of the orifices can be lowered approximately to the ambient pressure so that the inclusion of water in front of the orifices takes place at a low pressure.
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