Cover for turbines and pumps

Details Cover for turbines and pumps Cover for turbines and pumps

1986-09-18

1988-01-19

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Casing with axial, conical flow runner

415500, F01D 2524

Patent

active

047202408

ABSTRACT:
A cover for turbines or pumps, which is substantially less expensive than a cover having a cast construction. The cover is made of welded metal plates in a shape which generally corresponds to that of Kaplan type turbines, pumps or the like, and includes a number of thick walled rings and shells having a conical shape or envelope.
The cover comprises a flat radial ring which is supported between the outer covering of the machine and a first, conical, axially-extending shell which concentrically surrounds the shaft of the machine, and tapers narrower toward the runner of the machine which is rotated by the shaft. A second shell is also conical, defines a lesser conical angle than the first shell, and extends from an exterior region of the first shell and toward the runner. A radial bearing is mounted on the first shell for supporting the shaft.

REFERENCES:
patent: 1716328 (1929-06-01), Sharp
patent: 1919376 (1933-07-01), Moody
patent: 3276742 (1966-10-01), Yokoi

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