Aerosol containment system

Details Aerosol containment system Aerosol containment system

1995-02-01

1996-01-16

Jenkins, Robert W.

Agitating

By vibration

Of stirrer

366139, 366600, B01F 1100

Patent

active

054842026

ABSTRACT:
A sonicator apparatus having a signal generator for generating high frequency sound waves to a convertor which transforms electrical energy into mechanical energy in the form of oscillations to a horn having a probe immersed in a sample disposed in a sample holder includes a shielding arrangement having one end sealed against the convertor and another end sealed against the sample container and defining an aerosol containment chamber for preventing aerosols generated by oscillation of the probe in the sample from becoming airborne. The apparatus further includes a self centering device to insure proper disposition of the probe relative to the sample holder and use of a partial vacuum to provide a more efficient evacuation of aerosols from the chamber and simultaneously diminish noise levels. An enclosure provided with sound absorbing foam enhances the reduction of noise.

REFERENCES:
patent: 2961302 (1960-11-01), Sanz
patent: 3351539 (1967-11-01), Branson
patent: 3614069 (1971-10-01), Murry
patent: 3743523 (1973-07-01), Bodine
patent: 4483571 (1984-11-01), Mishiro
patent: 4571087 (1986-02-01), Ranney
patent: 4602184 (1986-07-01), Meitzler
patent: 4941134 (1990-07-01), Nyberg et al.
patent: 4990082 (1991-02-01), Lee
"Sonicator.RTM.", Heat Systems--Ultarsonics, Inc., 1987.

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