Housing for turbomachine rotors

Details Housing for turbomachine rotors Housing for turbomachine rotors

1982-11-22

1986-03-04

Yuen, Henry C.

Rotary kinetic fluid motors or pumps

Including thermal expansion joint

415138, 415136, 415173A, F01D 2526

Patent

active

045738670

ABSTRACT:
A housing for a rotor of a turbomachine comprising, radially spaced inner and outer casings. The inner casing comprises a plurality of segments 20(a) to 20(e) each of which comprises one or more stator vanes 23. A first of the casings 19 has two or more axially spaced locating members 21,22 which co-operate with locating means 25,29 on the second of the casings 18 to locate the first casing 19 relative to the second casing 18. A first of the locating means 25 comprising a first surface 27 inclined to a direction extending axially along the second casing 18 and a second surface 28 that constitutes a sealing face. A first of the locating members 21 having a third surface 32 that confronts the first surface 27. In use, axial gas loads on the stator vanes 23 cause the first and third surfaces 27,32 to engage each other and slide along the incline to bring a fourth surface 33 on the member 21 into sealing engagement with the said second surface 28. A second of the locating members 22 has a fifth surface 36 which sealingly engages, and is movable axially relative to, a sixth sealing surface 30 of a second of the locating means 39.

REFERENCES:
patent: 2488867 (1949-11-01), Judson
patent: 2700530 (1955-01-01), Williams
patent: 2741455 (1956-04-01), Hunter
patent: 3542483 (1970-11-01), Gagliardi
patent: 4243233 (1981-01-01), Arai

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