Hydraulic turbine draft tube pressure stabilizer

Details Hydraulic turbine draft tube pressure stabilizer Hydraulic turbine draft tube pressure stabilizer

1975-05-05

1977-01-18

Croyle, Carlton R.

Rotary kinetic fluid motors or pumps

With diversely oriented inlet or additional inlet for...

60696, 415119, F01D 2530, F01D 510

Patent

active

040036740

ABSTRACT:
A hydraulic turbine having means for admitting air to the turbine draft tube. An annular air chamber about the draft tube has a plurality of circumferentially spaced openings into the interior of the draft tube. The pressure of the air in the air chamber is maintained below the maximum pressure of the water in the draft tube and above the minimum pressure of the water in the draft tube. This results in air entering the draft tube only at the areas of lowest water pressure and water entering the air chamber at areas of highest water pressure.

REFERENCES:
patent: 1791585 (1931-02-01), Terry
patent: 1848738 (1932-03-01), Moody
patent: 2182974 (1939-12-01), Terry
patent: 2300748 (1942-11-01), Rheingans
patent: 3398932 (1968-08-01), Koeller et al.

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