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CNG DELIVERY SYSTEM WITH CRYOCOOLER AND METHOD OF SUPPLYING PURIFIED CNG

  • US 20130305744A1
  • Filed: 07/31/2012
  • Published: 11/21/2013
  • Est. Priority Date: 05/21/2012
  • Status: Abandoned Application
First Claim
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1. A fuel gas delivery system is disclosed comprising:

  • a feed line configured to provide a natural gas stream;

    a cryocooler fluidly coupled to said feed line, said cryocooler configured to condense the natural gas to provide a liquefied natural gas (LNG) stream and to freeze impurities contained in the natural gas stream, wherein the frozen impurities are separated from the LNG stream;

    a first heat exchanger fluidly coupled to said cryocooler, said first heat exchanger configured to vaporize at least a portion of the LNG stream to provide compressed natural gas;

    a delivery line configured to supply the compressed natural gas to an end user;

    and a removal line configured to remove the frozen impurities from said fuel gas delivery system.

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