Turbomachine rotor with blades secured by pins

Details Turbomachine rotor with blades secured by pins Turbomachine rotor with blades secured by pins

1994-01-13

1995-04-25

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Interlocking blades

416214A, 416217, 416220R, 416222, 416230, F01D 530

Patent

active

054093538

ABSTRACT:
A turbomachine rotor includes a disk having a plurality of annular ribs projecting from its periphery to define a plurality of annular grooves, and a plurality of blades, preferably made of composite material, evenly distributed around the periphery of the disk, each blade having a notched root defining heels which fit into the grooves of the disk and which are divided into two groups, one group being offset on the pressure side of the blade and the other group being offset on the suction side so that the heels of the second group align with the heels of the first group of an adjacent blade, the blades being fixed to the disk by pins which extend through the aligned heels of adjacent blades and the ribs of the disk. Each blade is thus secured by two pins, and each pin helps to secure two blades.

REFERENCES:
patent: 3014695 (1961-12-01), Rankin et al.
patent: 3051436 (1962-08-01), Kent et al.
patent: 3694104 (1972-09-01), Erwin
patent: 4008000 (1977-02-01), Gradl et al.
patent: 4098559 (1978-07-01), Price
patent: 4966527 (1990-10-01), Merz
patent: 5145319 (1992-09-01), Glowacki

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