Arrangement for influencing the radial clearance of the blading

Details Arrangement for influencing the radial clearance of the blading Arrangement for influencing the radial clearance of the blading

1995-11-02

1997-05-20

Look, Edward K.

Rotary kinetic fluid motors or pumps

Including heat insulation or exchange means

4151731, 415178, F01D 2508

Patent

active

056307020

ABSTRACT:
In an arrangement for influencing the radial clearance of the blading of an axial-flow, highly loaded compressor which essentially comprises a rotor (1) equipped with moving blades (2) and a blade carrier (3) which is equipped with guide blades (4) and is hung in a casing (5), the blade carrier (3) has long and narrow mountings (7) for the guide blades (4), at least one hollow space (9) being arranged in the guide-blade roots (8), a hollow space (10) being present in each case in the embedded state in the peripheral direction between the guide-blade root (8), the two mountings (7) for a guide blade (4) and the blade carrier (3), a further hollow space (11) being present in each case in the peripheral direction between the blade carrier (3) and the mountings (7) for two successive guide blades (4), which hollow space (11) is defined by a plurality of segments (12) distributed over the periphery and connected to the guide-blade roots (8), and the hollow spaces (9, 10, 11) being filled with insulating material (15).

REFERENCES:
patent: 2547934 (1951-04-01), Gill
patent: 3304054 (1967-02-01), Oechslin et al.
patent: 3997758 (1976-12-01), Patel
patent: 4522559 (1985-06-01), Burge et al.
patent: 4762462 (1988-08-01), Lardellier
patent: 5314303 (1994-05-01), Charbonnel et al.

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