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Thermal vaporizer, container for the thermal vaporizer and a thermal vaporizer assembly

  • US 6,603,924 B2
  • Filed: 04/09/2002
  • Issued: 08/05/2003
  • Est. Priority Date: 04/09/2001
  • Status: Expired due to Term
First Claim
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1. A thermal vaporizer for a liquid formulation comprising a volatile active, said vaporizer (A) comprising a housing (1) having:

  • a heater unit (2) for evaporating the liquid formulation;

    a mounting (8) for a container (50) for the liquid formulation;

    a passage (5) for a wick means (52) to be heated by the heater unit (2);

    at least one outlet (6) for evaporated volatile active;

    an electrical contact connected to said heater unit (2);

    characterized in that the vaporizer further comprises means for selectively operating the heater unit at, at least, two different predetermined heating temperatures, including selecting means for selecting heating temperature, said selecting means including at least one first selecting means (20, 20a) arranged to be selectively activated by the container (50).

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