Hydrodynamically damped pressure pulse droplet ejector

Details Hydrodynamically damped pressure pulse droplet ejector Hydrodynamically damped pressure pulse droplet ejector

1979-06-18

1980-11-11

Miller, Jr., George H.

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G01D 1518

Patent

active

042336104

ABSTRACT:
An energy dissipative element is used in a pressure pulse drop ejector. The element is designed to efficiently eliminate unwanted meniscus vibration. In one embodiment, one or more relatively thin screens are placed in the liquid flow path to simultaneously damp both hydraulic and acoustic vibrations.

REFERENCES:
patent: 2512743 (1950-06-01), Hansell
patent: 3683212 (1972-08-01), Zoltan
patent: 3747120 (1973-07-01), Stemme
patent: 3832579 (1974-08-01), Arndt
patent: 3946398 (1976-03-01), Kyser et al.
patent: 4024544 (1977-05-01), Vernon

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