COMMON RAIL FUEL INJECTION SYSTEM
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United States of America Patent
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N/A
Issued Date -
Sep 25, 2014
app pub date -
Oct 2, 2012
filing date -
Oct 3, 2011
priority date (Note) -
Abandoned
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Abstract
A common rail fuel injection system includes injectors having a fuel intake port and being provided for respective cylinders of a multi-cylinder diesel internal combustion engine, a common rail accumulating pressurized fuel, a high-pressure supply pump supplying high-pressure fuel, a fuel supply pipe causing the common rail and the high-pressure supply pump to communicate with each other. The fuel injection pipes communicating with pressure supply ports provided in the common rail and causing the injectors and the pressure supply ports to communicating with each other. The fuel injection pipes cause at least three injectors to communicate with one another in series. The number NP of pressure supply ports is less than the number PI of injectors, and supply of high-pressure fuel to the respective injectors for the cylinders is performed through fuel injection pipes of two lines.
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