Pitot pump with fluid lubricated bearings

Details Pitot pump with fluid lubricated bearings Pitot pump with fluid lubricated bearings

1979-10-01

1981-07-21

Casaregola, Louis J.

Rotary kinetic fluid motors or pumps

Centrifugal bowl pump

415111, F04D 114

Patent

active

042795710

ABSTRACT:
A hollow casing defining a fluid chamber is rotated relative to a stationary pitot tube mounted within the casing. The pitot tube is supported by a stationary hollow discharge tube whose bore defines the fluid outlet passage for the pump. An annular fluid inlet passage is provided surrounding one end of the discharge tube. Cylindrical portions on the discharge tube provide hardened bearing surfaces for cooperation with hardened sleeve bearings carried by the axially opposed end walls of the rotating casing. Radial flanges on such hardened bearing members provide thrust bearing capability if required. The bearings are exposed to the fluid being pumped and lubricated by such fluid.

REFERENCES:
patent: 2253969 (1941-08-01), Dawihl et al.
patent: 4087137 (1978-05-01), Voitas
"Interim Notes on Precision Ball Bearing Developments" Technical Memo from the Barden Corp., 12/15/60.

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