Glass manufacturing – Particulate bead or ball making apparatus
Patent
1983-05-12
1984-05-08
Lindsay, Jr., Robert L.
Glass manufacturing
Particulate bead or ball making apparatus
65 213, 65 214, 65160, 137838, 366106, 425 6, C03D 1910
Patent
active
044472510
ABSTRACT:
A sonic levitation apparatus (A) is disclosed which includes a sonic transducer (14) which generates acoustical energy responsive to the level of an electrical amplifier (16). A duct (B) communicates with an acoustical chamber (18) to deliver an oscillatory motion of air to a plenum section (C) which contains a collimated hole structure (D) having a plurality of parallel orifices (10). The collimated hole structure converts the motion of the air to a pulsed, unidirectional stream providing enough force to levitate a material specimen (S).
REFERENCES:
patent: 2911669 (1959-11-01), Beckwith
patent: 4313745 (1982-02-01), Kendall
patent: 4400191 (1983-08-01), Miller et al.
NASA Tech. Briefs, vol. 5, #2, Summer 1980, p. 236, Controlling the Shape of Microballoons.
Dunn Stanley A.
Ethridge Edwin C.
Johnson Jerry. L.
Paquette Elmer G.
Pomplun Alan R.
Beumer Joseph H.
Lindsay, Jr. Robert L.
Manning John R.
The United States of America as represented by the Administrator
Wofford, Jr. Leon D.
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