Invention Grant
- Patent Title: Electrically-powered heating element
- Patent Title (中): 电动加热元件
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Application No.: US803174Application Date: 1991-12-05
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Publication No.: US5224498APublication Date: 1993-07-06
- Inventor: Seetharama C. Deevi , Francis M. Sprinkel
- Applicant: Seetharama C. Deevi , Francis M. Sprinkel
- Applicant Address: NY New York
- Assignee: Philip Morris Incorporated
- Current Assignee: Philip Morris Incorporated
- Current Assignee Address: NY New York
- Main IPC: A24F47/00
- IPC: A24F47/00
Abstract:
A heating element for use within a smoking device which is intended to be held in the lips of a consumer, and which, without burning, heats a flavor-generating medium within the device to produce an aerosol, vapor, or flavor, which the consumer may inhale. More particularly, an electrically-powered heating element having a plurality of discrete resistive heating segments, only one of which is active at any given time. In a preferred embodiment, the heating element is contained within the device so that the individual heating segments of the element are adjacent to a flavor-generating medium. As each segment of the heating element is provided with power, the flavor-generating medium adjacent to that segment is heated, but is not burned. This heating causes the flavor-generating medium to produce a flavor, aerosol, or vapor, which the consumer of the device may inhale.
Public/Granted literature
- US6015997A Semiconductor structure having a doped conductive layer Public/Granted day:2000-01-18
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