FUEL INJECTION SYSTEM COMPRISING A HIGH-PRESSURE FUEL INJECTION PUMP
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United States of America Patent
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Issued Date -
Oct 24, 2013
app pub date -
Dec 22, 2010
filing date -
Dec 22, 2010
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Abstract
A high-pressure fuel injection pump for pressurizing fuel and delivering it for injection into a internal combustion engine is provided. The high-pressure fuel injection pump has an inlet, at least one plunger and a suction channel positioned between the inlet and the at least one plunger, wherein at least a part of the suction channel is thermally insulated from the remaining part of the high-pressure fuel injection pump. A fuel injection system including such a high-pressure fuel injection pump is also provided. Alternatively to, or in combination with, the thermal insulation of the suction channel, a bleed valve can be connectively arranged at the suction channel of the high-pressure fuel injection pump.
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