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Dual capillary fluid vaporizing device

  • US 6,715,487 B2
  • Filed: 05/07/2003
  • Issued: 04/06/2004
  • Est. Priority Date: 09/21/2001
  • Status: Expired due to Term
First Claim
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1. A dual capillary fluid vaporizing device comprising:

  • a power source;

    a heater arrangement electrically heated by the power source, the heater arrangement comprising first and second capillary tubes, the capillary tubes having inlet ends and the heater arrangement being operable to vaporize fluid in the capillary tubes;

    a first electrode supplying electrical current to the first capillary tube such that electrical current passes along at least a portion of the first capillary tube;

    an electrical connection connecting the capillary tubes such that the electrical current supplied to the first capillary tube passes along at least a portion of the second capillary tube; and

    a second electrode electrically connected to the second capillary tube such that the capillary tubes are electrically connected in series to the power source.

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