Precleaner

Details Precleaner Precleaner

1988-05-11

1989-10-10

Nozick, Bernard

Gas separation

Plural serial basically diverse separating media

Plural stages in unitary casing

55337, 55430, 55450, 55457, B01D 5000

Patent

active

RE0330850

ABSTRACT:
An apparatus for separating particulate matter entrained in a gas, as air, from the gas. The apparatus has a housing surrounding a separation chamber. A vane assembly carrying a cylindrical bowl is secured to an upper portion of the housing. The vane assembly has a plurality of circumferentially spaced inclined vanes providing air inlet passages open to the separation chamber for directing the gas and particulates entrained in the gas in a circular motion in the separation chamber. A stack mounted on the bowl forms an annular chamber above the vanes in communication with the inlet of the passages formed by the vanes. An open mesh screen surrounds the annular chamber. An impeller assembly located in the lower portion of the separation chamber has a plurality of arms carrying paddles. The paddles are located in an annular discharge or exit chamber in communication with the lower portion of the separation chamber. A plurality of downwardly open exit or discharge outlet openings are in communication with the exit chamber. Circumferentially extended blades separate the exit chamber from the exit openings. The impeller assembly has centrally located propeller means located in the clean air outlet. As the clean air moves in a spiral direction through the clean air outlet, it causes the propeller means to rotate and thereby turn the impeller assembly. The rotating paddles pump gas and particulates from the discharge or exit chamber through the exit openings into the outside environment.

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