Replaceable seal module for liquid aerators

Details Replaceable seal module for liquid aerators Replaceable seal module for liquid aerators

1991-12-13

1993-02-02

Miles, Tim

Gas and liquid contact apparatus

Contact devices

Rotating

384148, B01F 510

Patent

active

051835967

ABSTRACT:
An apparatus for the treatment of liquid by aeration is provided. The apparatus has a motor, a propeller carried by a motor-driven shaft, an air flow passage to the propeller, bearings supporting the shaft at a location spaced from the motor and at least one bearing seal between a bearing and the propeller. In accordance with the present invention, a module for releasably carrying at least one of the bearing seals is detachably secured about the shaft to faciliate removal of at least the bearing seals from the apparatus.

REFERENCES:
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patent: 3025113 (1962-03-01), Helwig
patent: 3214149 (1965-10-01), Budzien
patent: 3336091 (1967-08-01), Ramsdell
patent: 3343891 (1967-09-01), Shipman
patent: 3415581 (1968-12-01), Seubert
patent: 3847453 (1974-11-01), Herbert
patent: 4138168 (1979-02-01), Herlitzek
patent: 4308221 (1981-12-01), Durda
patent: 4618427 (1986-10-01), Venas
patent: 4741870 (1991-12-01), Gross

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