Patent ID: 8869778
Filing Date: 2014-10-28
Classification: F02D,F02M,F02N

Abstract:
1. A fuel supply system of a vehicle, comprising: a fuel tank storing ethanol therein; a main injector installed at an engine and connected to the fuel tank to inject the ethanol from the fuel tank; a first heater provided to heat the ethanol supplied from the fuel tank to the engine; a cold-starting injector installed at the engine to inject the ethanol heated by the first heater; and a valve unit, an output of which is connected to the main injector and the cold-starting injector and performing a switching operation between a state of the ethanol being supplied from the fuel tank to the main injector and a state of the ethanol heated by the first heater being supplied to the cold-starting injector; wherein a second heater for heating ethanol flowing therethrough is further provided to a cold-starting line that is a passage through which the ethanol heated by the first heater is supplied to the cold-starting injector.