Prime-mover dynamo plants – Miscellaneous – Drive gearing
Patent
1976-07-07
1978-06-20
Schaefer, Robert K.
Prime-mover dynamo plants
Miscellaneous
Drive gearing
250338, 250211R, 322 2A, H02N 300
Patent
active
040963934
ABSTRACT:
Radiant energy is converted into electric energy by irradiating a capacitor including an ionic dielectric having a dipole layer only on or near its surface. The dielectric is selected from the group consisting of the rare earth trifluorides and trichlorides, and is preferably lanthanum trifluoride or lanthanum trichloride. The radiant energy cyclically heats and cools the dielectric to cause cyclic changes in the capacitance and resistance of the capacitor without changing the dielectric state. The capacitor is initially charged to a voltage just below the dielectric breakdown voltage by temporarily connecting it across a source of emf causing a current to flow through a charging resistor to the dielectric. The device can be utilized as a radiant energy detector, as well as a solar energy cell. In the latter case, the dielectric is heated and cooled at a predetermined frequency and the capacitor is connected in circuit with a means for resonating the capacitor at the frequency. Plural capacitors are arrayed and illuminated with different phases so that the solar energy illuminates at least one of the capacitors substantially all of the time.
REFERENCES:
patent: 3480777 (1969-11-01), Astheimer
patent: 3657644 (1972-04-01), Beam
patent: 3971938 (1976-07-01), O'Hare
Journal of Applied Physics, Polarization in LaF.sub.3 by R. Soloman et al., vol. 37, No. 9, pp. 3427-3432.
Physical Review, Transport Properties of LaF.sub.3 by A. Sher et al., vol. 144, No. 2, pp. 593-604.
Redman John W.
Schaefer Robert K.
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