Arrangement for attaching blades on the wheel of a rotor

Details Arrangement for attaching blades on the wheel of a rotor Arrangement for attaching blades on the wheel of a rotor

1991-12-13

1992-12-29

Denion, Thomas E.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Turbo machine

416219R, 416222, 416248, 416216, B63H 120

Patent

active

051747200

ABSTRACT:
To attach blades (5) on a rotor wheel for turbines or compressors, the wheel (1) has threads (2) running to the inside in a spiral shape on both sides of the outer edge. The blades (5) have segments on their feet (7) of counter-threads shaped accordingly. The threads are designed to have one turn, and their beginnings are staggered 180.degree. to one another on both sides of the wheel to offset inbalances. The threads on the wheel and on the blade feet there are self-locking and prestressed.

REFERENCES:
patent: 2619318 (1952-11-01), Schaer
patent: 2857132 (1958-10-01), McDowall

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