Radial slot in a turbo-machine

Details Radial slot in a turbo-machine Radial slot in a turbo-machine

1994-04-25

1996-07-30

Look, Edward K.

Rotary kinetic fluid motors or pumps

With shaft connected fluid force subjected thrust balancing...

415106, 415112, F01D 304

Patent

active

055405460

ABSTRACT:
An apparatus comprises a rotatable shaft. A bush has a circumference with the bush being disposed about the shaft. The bush has a plurality of openings disposed throughout the circumference. Each of the plurality of openings is spaced from the remaining openings. A slot, having a first end and a second end, is disposed between the shaft and the bush. The first end is exposed to fluid having a first pressure. The second end is exposed to fluid having a second pressure which is less than the first pressure. The plurality of openings is exposed to fluid having a third pressure which is less than the first pressure and greater than the second pressure such that fluid flowing from the plurality of openings into the slot exits exclusively from the second end of the slot.

REFERENCES:
patent: 1146079 (1915-07-01), Krogh
patent: 3180568 (1965-04-01), Oettle
patent: 3671137 (1972-06-01), Ball
patent: 4475866 (1984-10-01), Kambe et al.
patent: 4541773 (1985-09-01), Drevet
patent: 4684318 (1987-08-01), Mulders
patent: 5104284 (1992-04-01), Hustak, Jr. et al.
patent: 5161943 (1992-11-01), Maier
Europump, Mar. 16, 1970.
VDI Berichte 706, Nov. 9, 1988.

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