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Safety system for gas purifier

  • US 6,168,645 B1
  • Filed: 10/15/1998
  • Issued: 01/02/2001
  • Est. Priority Date: 10/15/1997
  • Status: Expired due to Term
First Claim
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1. A method for safely purifying gases comprising:

  • providing a source of unpurified gas;

    passing said unpurified gas through a first safety device capable of developing an alarm signal when certain gas contaminants within said first safety device are above a given concentration level over a period of time;

    passing said unpurified gas through a gas purification unit that includes a purification material to provide a purified gas, where said purification material exhibits an exothermic reaction when exposed to said certain gas contaminants; and

    passing said purified gas through a second safety device capable of developing an alarm signal when said certain gas contaminants within said second safety device are above said given concentration level over said period of time.

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