液化天然ガスを燃料として用いる船舶の燃料供給システム及び燃料供給方法

Japanese Patent JP7100041

B2

The present invention relates to a system and a method for supplying a fuel in a liquefied natural gas fueled ship to which an engine using liquefied natural gas as a fuel is applied, wherein a pump and a regasification facility are used to supply a liquefied natural gas fuel, without the aid of a compressor, in compliance with fuel supply conditions of the engine. A system for supplying a fuel in a liquefied natural gas fueled ship according to the present invention comprises: an Otto cycle engine using liquefied natural gas as a fuel and operating according to an Otto cycle; a high-pressure pump for compressing liquefied natural gas which has been discharged from a storage tank; a gasifier for gasifying the liquefied natural gas which has been compressed by the high-pressure pump; an expansion valve for expanding the natural gas which has been gasified by the gasifier; and a gas-liquid separator for separating gas and liquid from a gas-liquid mixture formed by the expansion valve, wherein the liquid separated in the gas-liquid separator is recovered into a storage tank, the gas separated in the gas-liquid separator is supplied as a fuel for the Otto cycle engine, thereby adjusting the methane number of a natural gas fuel supplied to the Otto cycle engine.

Nam, Byung Tak
Lee, Won Chan
Chung, In Dong

JP2019538154A

July 12, 2022

December 07, 2017

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Dewship Building and Marine Engineering Company Limited

F02M21/02; B63H21/38; F02B43/00; F02M21/06

JP9183989A
JP2008196686A
JP2009062982A
JP2014234927A
JP2015074418A
JP2016507705A

WO2016148416A1
US20080276627
KR1020140138015A
KR1020160120207A

Seiryu Corporation

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