Pneumatic vibrator

Details Pneumatic vibrator Pneumatic vibrator

1996-12-06

1998-08-04

Cooley, Charles E.

Agitating

By vibration

Of stirrer

366124, B01F 1100

Patent

active

057883670

ABSTRACT:
A pneumatic vibrator having reduced noise levels is provided with an exhaust chamber in a baseplate thereof. The exhaust chamber is limited by walls of the baseplate, a bushing, and the outer surface of a hollow elastic element. The elastic element is a truncated cone, the smaller base of which firmly encompasses a bushing around a tie element, while the larger base bears against the baseplate. The exhaust chamber is in communication with an above-membrane chamber via a central through duct. The above-membrane chamber connects with the atmosphere by radial ducts in the cover of the baseplate, in which an annular collector is made, communicating with the radial ducts. The flow area of each of the ducts is less than the flow area of the collector. Coaxial axial ducts made in the cover and in the baseplate communicate with a second annular collector made in the baseplate and exhaust air to the atmosphere.

REFERENCES:
patent: 3410534 (1968-11-01), Wyczalek
patent: 3770248 (1973-11-01), Cahoon et al.

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