Stoves and furnaces – Heaters – Frictional
Patent
1997-10-16
2000-01-25
Yeung, James C.
Stoves and furnaces
Heaters
Frictional
122 26, F24C 900
Patent
active
06016798&
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The present invention has to do with a means of acquiring and using heat that is formed in a different way than as a result of combustion. More immediately, the invention has to do with a method and a device for heating a liquid by means of processing it with the aid of mechanical effects.
From the current state of technology we are broadly familiar with the capabilities for heating a liquid as a result of the unavoidable or concomitant mechanical effects on it of such forces as, specifically, the forces of friction during contact with a surrounding environment, the forces of internal friction during agitation of a stream of liquid, and the forces arising during hydraulic impacts and cavitation. The energy that is expended during these processes on heating a liquid is viewed as a natural energy loss.
The effect of heating a liquid as a result of the deliberate--though this may not be the primary purpose--effects on it of mechanical vibrations in the sonic or ultraonic range is also widely known in technology. And in this particular case the energy that is expended in heating the liquid is traditionally viewed as unavoidable energy losses. Particularly well-known from the current state of technology /V. I. Bigler et al., "The Dispersal Of Various Materials In A Device Of The Hydraulic Siren Type," in the collection of scientific studies No. 90 of the Moscow Institute for Steel and Alloys "Application Of Ultrasonic Waves In Metallurgy," the "Metallurgiya" Publishing House, 1977, p. 73 . . . 76/ is the effect of rapid heating of a liquid utilizing a device of the so-called hydrodynamic siren type. This device contains a rotating wheel having a cavity with a feeding or conveying aperture for supplying the liquid and a series of outlet apertures that are uniformly distributed along the periphery and that are installed in its peripheral wall with a conical external surface, and a stator having a cavity with an outlet aperture for expelling the liquid and a series of inlet apertures that are uniformly distributed along the periphery and that are installed in its wall, which latter is adjacent at a small distance to the peripheral wall of the rotating wheel, in which both the series of apertures of the rotating wheel and the series of apertures of the stator are arranged on a plane of the revolution [of the wheel]. When the wheel is rotating, the liquid flowing out from the outlet apertures of the rotating wheel and toward the inlet aperture of the stator is subject to the effect of induced mechanical vibrations of a defined frequency, depending upon the rate of revolution of the rotating wheel and upon the number of its outlet apertures. In the given case, the activation of these vibrations in the liquid is only designed to disperse the material that is contained in the liquid. Nonetheless, the authors noted the fact of an abnormally rapid heating of the liquid. They explained this rapid heating by an increase in the hydraulic resistance during the run-over or overflow of the liquid from the cavity of the rotating wheel into the cavity of the stator. In the case at hand, however, the authors did not provide an explanation for this phenomenon in purely quantitative terms.
Also well-known at the current level of technology /International Patent Registration No. PCT/RU92/00194 of 1992/ is a method of heating a liquid by means of processing it by means of mechanical vibrations. This method involves the injection of the liquid to be processed into the cavity of a revolving rotating wheel; bringing the liquid to revolve along with the rotating wheel; the expulsion of the liquid from the cavity of the rotating wheel through a series of outlet apertures on its peripheral cylindrical surface; the injection of the liquid into a cavity of the stator through at least one inlet aperture in the concentric surface of the stator lying as close as possible to the peripheral cylindrical surface of the rotating wheel; during which there occur periodic abrupt interruptions in the flow of the liquid that
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Advanced Molecular Technologies LLC
Kohlmann Henry G.
Yeung James C.
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