Circumferentially grooved shroud liner

Details Circumferentially grooved shroud liner Circumferentially grooved shroud liner

1981-01-27

1984-08-21

Hornsby, Harvey C.

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between runner portion and static part

Means to seal radial flow pump runner inlet from outlet

415170R, F01D 1108, F01D 520

Patent

active

044667728

ABSTRACT:
A turbine is provided with a stationary shroud surrounding a rotor provided with a plurality of radially extending blades. The stationary shroud includes a plurality of spaced-apart lands defining therebetween openings to deflect the flow leakage from the high pressure side of each blade to the low pressure side of the respective blade.

REFERENCES:
patent: 1651855 (1924-06-01), Warren
patent: 1708044 (1924-09-01), Baumann
patent: 3843278 (1974-10-01), Torell
patent: 3854842 (1974-12-01), Caudill
patent: 3867061 (1975-02-01), Moskowitz
patent: 4055041 (1977-10-01), Adamson et al.
patent: 4239452 (1980-12-01), Roberts
Aircraft Propulsion-NASA SP-259-NASA Lewis Research Center, Cleveland, Ohio, Nov. 18-19, 1970, Scientific & Technical Information Office, 1971.

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