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Title:
高圧天然ガス噴射エンジン用燃料供給システムの再液化装置に使用される非爆発性混合冷媒
Document Type and Number:
Japanese Patent JP2014517849
Kind Code:
A
Abstract:
Provided is a nonflammable mixed refrigerant for use in a reliquefaction apparatus of a fuel supply system that compresses BOG generated in an LNG storage tank to a medium pressure, reliquefies the compressed BOG, compresses the reliquefied BOG to a high pressure, gasifies the compressed requefied BOG, and supplies the gasified BOG to a high-pressure natural gas injection engine. A nonflammable mixed refrigerant for use in a fuel supply system for a high-pressure natural gas injection engine is provided. The fuel supply system includes BOG compression unit configured to receive and compress BOG generated in a storage tank storing liquefied gas, a reliquefaction apparatus configured to receive and liquefy the BOG compressed by the BOG compression unit, a high-pressure pump configured to compress the liquefied BOG generated by the reliquefaction apparatus, and a high-pressure gasifier configured to gasify the liquefied BOG compressed by the high-pressure pump and supply the gasified BOG to the high-pressure natural gas injection engine. The nonflammable mixed refrigerant cools the BOG by heat exchange with the BOG in the reliquefaction apparatus. The nonflammable mixed refrigerant comprises a mixture of nonflammable refrigerants with different boiling points, and the boiling point of each of the nonflammable refrigerant ranges between a room temperature and a liquefaction temperature of natural gas.

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Inventors:
Jung, Seung Kyo
Jung, Jae Heon
Choi, Dong Kyu
Lee, Jung Han
Moon, youngsik
Yu, Jin Yeol
Application Number:
JP2014500982A
Publication Date:
July 24, 2014
Filing Date:
December 20, 2011
Export Citation:
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Assignee:
Dewship Building and Marine Engineering Company Limited
International Classes:
C09K5/04; B63B25/16; B63H21/38; F17C13/00; F25J1/00
Domestic Patent References:
JPH1019199A1998-01-23
JP2007506064A2007-03-15
JP2004502024A2004-01-22
JP2000205675A2000-07-28
JPH05118677A1993-05-14
JP2010173483A2010-08-12
JP2010023776A2010-02-04
JP2007247729A2007-09-27
JP2009204080A2009-09-10
JP2010532856A2010-10-14
JP2005214313A2005-08-11
JP2014508889A2014-04-10
JP2014511469A2014-05-15
JP2014514486A2014-06-19
Foreign References:
WO2009136793A12009-11-12
Attorney, Agent or Firm:
Takehiro Chiba
Toshiyuki Miyadera
Shuji Ouchi
Yasuharu Nakasone
Shiro Sakai
Akira Yamano



 
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