Liquid purification or separation – Gravitational separator – Mechanical constituent mover
Patent
1980-09-02
1982-04-06
Granger, Theodore A.
Liquid purification or separation
Gravitational separator
Mechanical constituent mover
B01D 2118
Patent
active
043234569
ABSTRACT:
A corner sweep mechanism for a square shaped settling tank and which mechanism is pivotally connected to the end of a main rotary rake structure and comprises a lightweight buoyant frame structure which includes a rake or sweep arm adapted to be extended into the corner areas of the tank bottom under the control of a tension spring without the use of counterweights during rotation of the main rake structure.
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patent: 3465887 (1969-09-01), Cookney
patent: 3770132 (1973-11-01), Quast et al.
patent: 4043920 (1977-08-01), Wook
Dorr-Oliver Incorporated
Granger Theodore A.
Kearns Burtsell J.
Snyder Harold M.
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