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Electrical smoking article using liquid tobacco flavor medium delivery system

  • US 5,666,977 A
  • Filed: 12/23/1994
  • Issued: 09/16/1997
  • Est. Priority Date: 06/10/1993
  • Status: Expired due to Fees
First Claim
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1. An electrical smoking article for delivering to a smoker a tobacco flavor substance, said article comprising:

  • an electrical heater;

    a tobacco flavor medium delivery system in a liquid transfer relationship with said heater, said delivery system comprising;

    (a) inlet means for coupling to a supply of liquid tobacco flavor medium;

    (b) outlet means having one or more openings for dispensing liquid tobacco flavor medium in droplet form onto said heater;

    (c) means coupled between said inlet means and said outlet means, said coupled means for transferring a predetermined amount of liquid tobacco flavor medium from said supply of liquid tobacco flavor medium to said outlet;

    a source of electrical energy;

    control means for applying said electrical energy to said heater to generate heat and for activating said tobacco flavor medium delivery system such that upon activation of said delivery system, said delivery system dispenses said predetermined amount of liquid tobacco flavor medium in droplet form onto said heater, said dispensed tobacco flavor medium being heated sufficiently to release an aerosol therefrom which includes a predetermined quantity of tobacco flavor substance; and

    means for drawing air together with said released aerosol from the electrical smoking article upon puffing action by a smoker;

    wherein said control means applies sufficient energy to said heater to achieve a temperature in said heater in the range of about 300°

    C. to about 450°

    C. during a puff andwherein said means for drawing air together with said released aerosol includes a disposable filter insert and air channels arranged to admit air into said electrical smoking article.

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