Dual cavity drop generator

Details Dual cavity drop generator Dual cavity drop generator

1980-12-11

1982-05-25

Miller, Jr., George H.

Recorders

Record receiver deforming

346140R, G01D 1518

Patent

active

043319645

ABSTRACT:
Described is a dual cavity multinozzle drop generator adaptable for use in an ink jet printer. The drop generator includes a first housing member with an inner cavity. The cavity converges to one side of the housing member. A cylindrical vibrating assembly is positioned within the cavity. The configuration is such that an inner cavity is formed between the outer surface of the vibrating assembly and the inner surface of the housing member. A second housing member having a converging ink cavity therein is coupled to the first housing member. The arrangement is such that the ink cavity is in linear alignment with the inner cavity. A relatively stiff membrane is disposed between the inner cavity and the ink cavity. The inner cavity is filled with an acoustical rubber material. A nozzle plate, having a plurality of spaced linear apertures, is mounted onto the second housing member so that the apertures are in liquid communication with the ink cavity.

REFERENCES:
patent: 3150592 (1964-09-01), Stec
patent: 3848118 (1974-11-01), Rittberg
patent: 3924974 (1975-12-01), Fischbeck et al.
patent: 4024544 (1977-05-01), Vernon
patent: 4245225 (1981-01-01), Fillmore et al.
patent: 4245227 (1981-01-01), Krause
patent: 4297712 (1981-10-01), Lammers et al.
patent: 4303927 (1981-12-01), Tsao
Lee, H. C. et al., High-Speed Droplet Generator, IBM Tech. Disc. Bulletin, vol. 15, No. 3, Aug. 1972, p. 909.

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