Bearing protection device for liquid aerators
AssigneeAeromix Systems, Incorporated
InventorsPeter S. Gross, Eric Bollensen, Richard Rajendren
Life of this patent
Estimating the term…
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 airflow passage to the propeller, and bearings supporting the shaft at at least one location spaced from the motor. In accordance with the present invention, an air pocket is established about at least one of the bearings for keeping liquid from the bearings as by a conical member extending over the shaft from the bearing.
Claims10
In an apparatus for the treatment of liquids by aeration of the type having a motor, a propeller carried by a motor driven shaft, means defining an airflow passage to the propeller, and bearing means supporting the shaft at least one location spaced from the motor, the improvement comprising:
- means establishing an air pocket about at least one bearing means for blocking liquid from the bearing means, the blocking means including an aperture which opens into the airflow passage and beneath the surface of the liquid.
In an apparatus for the treatment of liquids by aeration of the type having a motor, a propeller carried by a motor driven shaft, means defining an airflow passage to the propeller, and bearing means supporting the shaft oat at least one location spaced from the motor, the improvement comprising:
- means for establishing an air pocket about at least one bearing means, the air pocket establishing means having an opening which opens into the airflow passage and defined by an edge with the edge being positioned beneath the surface of the liquid and at a depth greater than the bearing means to thereby maintain the air pocket below the bearing means and effectively exclude liquid form the bearing means.
Dependencies are inferred from the claim text.