FUEL SUPPLY SYSTEM AND VEHICLE

Abstract

A fuel supply system for an engine installed in a vehicle of the present disclosure, wherein the fuel supply system comprises: an LNG tank; a BOG tank connected to a first line extending from the LNG tank; an evaporator connected to a second line extending from the LNG tank, which evaporates the LNG fuel; an injection unit connected to the evaporator and configured to inject the evaporated LNG fuel into a cylinder of the engine; a control valve provided in a third line connecting the BOG tank to an intake line of the engine; and a control unit controlling the control valve to supply the engine with an amount of boil-off gas corresponding to an estimated degree of concentration of heavy components of the LNG fuel in the LNG tank when the vehicle is operated with the engine using the LNG fuel.

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