Water turbine

Details Water turbine Water turbine

1982-01-21

1985-07-30

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

4151995, 415213C, 415DIG5, F01D 104, F01D 1712

Patent

active

045318883

ABSTRACT:
In a water turbine two or more turbine stages are arranged one immediately behind the other in the axial direction. Each stage is constructed alike and includes a tubular housing portion with guide vanes laterally enclosing a tubular runner portion with runner vanes. In a particular water turbine, however, a different final stage may be used to avoid cavitation problems. In one arrangement, the guide vanes in each stage are pivotally mounted and can be controllably positioned from a single control location. The individual tubular housing portions and tubular runner portions are connected together at flanges located at the ends of each stage or section. The flanges are positioned within the tubular runner portions and on the exterior of the tubular housing portions. In some cases the tubular runner portions are held together axially by means of a central tie rod of tubular design.

REFERENCES:
patent: 735107 (1903-08-01), Junggren
patent: 875374 (1907-12-01), Patitz
patent: 1786166 (1930-12-01), Moody
patent: 2260169 (1941-10-01), Couch
patent: 2500070 (1950-03-01), Hagen
patent: 2706451 (1955-04-01), Mayer-Ortiz et al.
patent: 2811303 (1957-10-01), Ault et al.
patent: 3267869 (1966-08-01), Vartapetov
patent: 3514216 (1970-05-01), McAninch
patent: 3738105 (1973-06-01), Buchelt
patent: 3750789 (1973-08-01), Buchelt

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