Cog rake bar screen

Details Cog rake bar screen Cog rake bar screen

1991-06-28

1993-09-21

Picard, Leo P.

Liquid purification or separation

Structural installation

Flume stream type

174 17VA, 210162, B01D 3301, E02B 508

Patent

active

052465730

ABSTRACT:
Apparatus for protecting from water damage the electric motor which drives the cog rake bar screen of a waste water treatment plant. A shell of air impermeable material surrounds the motor and has an opening at the shell bottom to drain water. Various arrangements and devices prevent water or debris from entering the opening.

REFERENCES:
patent: 3267868 (1966-08-01), Page
patent: 3543526 (1970-12-01), O'Neill et al.
patent: 3802427 (1974-04-01), Banjavich
patent: 3999502 (1976-12-01), Mayer
patent: 4857182 (1989-08-01), Jackson
patent: 4903628 (1990-02-01), Lansford
patent: 4917796 (1990-04-01), Rudzinski
patent: 5032263 (1991-07-01), Rudzinski
patent: 5167803 (1992-12-01), Newton

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