HIGH FREQUENCY POLARIZATION AEROSOL GENERATOR
A vaporizing device such as an electronic cigarette includes a housing ( 11 ) containing a battery ( 12 ) or other electrical power source electrically connected to a high frequency oscillation circuit ( 50 ). Two electrodes or electrode pads ( 56 ) with a liquid space ( 70 ) between them are electrically connected to the high frequency oscillation circuit ( 50 ). A liquid supply ( 34 ) in the C housing ( 11 ) provides a liquid into the liquid space ( 70 ). The high frequency oscillation circuit ( 50 ) is switched on by a manual switch or by a sensor ( 24 ) sensing inhalation by a user. The liquid is vaporized by dielectric heating.
1 . A vaporizing device comprising:
a housing containing an electrical power source electrically connected to a high frequency oscillation circuit;
first and second electrodes electrically connected to the high frequency oscillation circuit, with a liquid space between the first and second electrodes;
a liquid supply in the housing positioned to provide a polar liquid into the liquid space; and
a switch electrically connected to the high frequency oscillation circuit for turning on the high frequency oscillation circuit to vaporize the liquid via dielectric heating.
2 . The device of claim 1 wherein the switch comprises an inhalation sensor connected to an electronic controller.
3 . The device of claim 1 with the first and second electrodes comprising first and second electrode pads including a first insulator on the first electrode and a second insulator on the second conductor, respectively.
4 . The device of claim 1 wherein the liquid space is annular.
5 . The device of claim 1 wherein the liquid space is dimensioned to allow liquid to flow into the liquid space via capillary forces.
6 . The device of claim 1 wherein the liquid comprises propylene glycol, glycerol or vegetable glycerin.
7 . The device of claim 1 wherein the liquid has a dipole moment of 1.0 to 8.0 Debyes.
8 . The device of claim 7 wherein the liquid has a dipole moment 1.0 to 4.0.
9 . The device of claim 1 wherein the power source comprises a battery.
10 . The device of claim 1 wherein the high frequency oscillation circuit operates a frequency of 50 KHz to 980 MHz.
11 . A vaporizing device comprising:
a housing containing an electrical power source electrically connected to a high frequency oscillation circuit;
first and second electrode pads electrically connected to the high frequency oscillation circuit;
a liquid space between the first and second electrode pads;
a liquid supply in the housing positioned to provide a polar liquid into the liquid space;
a switch electrically connected to the high frequency oscillation circuit for turning on the high frequency oscillation circuit to vaporize the liquid via dielectric heating.
12 . The vaporizing device of claim 11 with each electrode pad including a heat insulation layer on an electrode.
13 . The vaporizing device of claim 11 with the heat insulation layer comprising a porous material or a fiber material.
14 . The vaporizing device of claim 12 with the heat insulation layer comprising an air gap.
15 . The vaporizing device of claim 11 with each electrode pad comprising an electrically conductive carbon aerogel.
16 . The vaporizing device of claim 11 further including a liquid conductor extending from the liquid supply to the liquid space.
17 . The vaporizing device of claim 11 with each electrode pad having a round or rectangular shape.
18 . The vaporizing device of claim 11 with one or both of the electrode pads comprising a tube.
19 . The vaporizing device of claim 11 with one or both of the electrode pads comprising a metal mesh material.
20 . The device of claim 11 wherein the high frequency oscillation circuit operates a frequency of 50 KHz to 980 MHz and at a voltage of 30 to 5000 V.
21 - 25 . (canceled)