Fluid sprinkling – spraying – and diffusing – With means to vibrate or jiggle discharge
Patent
1976-09-03
1978-04-25
Love, John J.
Fluid sprinkling, spraying, and diffusing
With means to vibrate or jiggle discharge
239121, B05B 1706
Patent
active
040858936
ABSTRACT:
Devices are disclosed using ultrasonic vibratory energy for atomizing water, gasoline or other liquids, for use in humidifiers, carburetors, and the like. A humidifier or atomizer is disclosed comprising an ultrasonic transducer having a vibratory member, together with means for producing ultrasonic vibrations thereof, a liquid supply conduit for directing a liquid into contact with the vibratory member, and a collection receptacle disposed below the vibratory member for collecting the liquid when the ultrasonic transducer is not in operation. The ultrasonic transducer may comprise an elongated front end mass, an elongated tail mass, a pair of piezoelectric elements disposed between such masses, an electrode plate disposed between the piezoelectric elements, means for clamping such masses together, with the piezoelectric elements and the electrode plate therebetween, and a mounting member having an opening therein slidably receiving the piezoelectric elements and portions of such masses, the mounting member having an internal peripheral slot within such opening for slidably receiving the electrode plate. The opening and the slot having a sufficiently loose fit with the piezoelectric elements, the masses and the electrode plate to obviate any substantial damping of ultrasonic vibrations. The transducer may be driven by a circuit comprising a solid state amplifier having input and output connections, a driver transformer having a primary winding connected to such output connection and a secondary winding connected to the electrodes of the piezoelectric transducer, a feedback transformer having a secondary winding connected to such input connection of the amplifier, and a primary winding connected to such electrodes through a phase shifting circuit.
REFERENCES:
patent: 1958406 (1934-05-01), Darrah
patent: 3114654 (1963-12-01), Nishiyana et al.
patent: 3214101 (1965-10-01), Perron
patent: 3243122 (1966-03-01), Snaper
patent: 3375977 (1968-04-01), Butterworth et al.
patent: 3392916 (1968-07-01), Engstrom et al.
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