Moving blade for thermic axial turbomachines

Details Moving blade for thermic axial turbomachines Moving blade for thermic axial turbomachines

1979-02-01

1981-08-18

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Radial flow devices

416242, 415119, F01D 514

Patent

active

042843880

ABSTRACT:
The invention finds application in the manufacture of working blades of a length exceeding that of the blades known so far, without infringing the limitations issuing from flow considerations and strength of the rotor. The blade comprises two different sheets deliminated by a suitably selected intermediary cross section of the blade. Each of the sheets is formed according to a different law dictated by strength and flow considerations. Beginning from the cross-section which delimits the sheets, the sheets are twisted in opposite directions.

REFERENCES:
patent: 2660401 (1953-11-01), Hull
patent: 3065933 (1962-11-01), Williams
patent: 3169694 (1965-02-01), Borchers
patent: 3851994 (1974-12-01), Seippel

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