Vibratory screen having noise level reduction by isolation

Details Vibratory screen having noise level reduction by isolation Vibratory screen having noise level reduction by isolation

1979-02-16

1979-12-25

Halper, Robert

Classifying, separating, and assorting solids

Sifting

Plane sifters

209365B, 73667, 366128, 248560, B07B 142

Patent

active

041804589

ABSTRACT:
A relatively quiet vibrating screen has a rotatable eccentric mass drive supported on the screen body by isolator mounts which transmit vibratory forces at shaker frequency unrestrained to the screen body and attenuate forces at higher harmonics of shaker frequency that would otherwise excite wall panels of the screen body into resonance, thereby reducing the noise level of the screen.

REFERENCES:
patent: 2144382 (1939-01-01), Lincoln et al.
patent: 2212550 (1940-08-01), Parks
patent: 2353492 (1944-07-01), O'Connor
patent: 2729332 (1956-01-01), Gruner
patent: 3029947 (1962-04-01), Roubal
patent: 3030098 (1962-04-01), Roubal
patent: 3468418 (1969-09-01), Renner
patent: 4076197 (1978-02-01), Dochterman

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