LPI engine system

Details LPI engine system LPI engine system

2007-02-27

2007-02-27

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Charge forming device

Gaseous fuel and air mixer

C701S104000

Reexamination Certificate

active

11299380

ABSTRACT:
Disclosed herein is an LPI engine system. The LPI engine system of the present invention directly injects LPG fuel under high pressure into an intake system of an engine through an injector and precisely controls the injection rate of LPG fuel through the control of the injector, thus improving the fuel consumption ratio and power performance of a vehicle, enhancing the startability of the vehicle in the winter, and making maintenance addressing the buildup of tar after combustion unnecessary. Furthermore, in the LPI engine system of the present invention, the injector, which adjusts the injection rate of LPG fuel into the intake system of the engine, includes a path shutoff part which functions to controls an LPG fuel injection path depending on an operational state of the engine, thus preventing LPG fuel from leaking into the intake system of the engine through the injector when the engine is in an ignition OFF state.

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patent: 2003-206774 (2003-07-01), None

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