Damping element for independent turbomachine blades

Details Damping element for independent turbomachine blades Damping element for independent turbomachine blades

1986-05-08

1988-03-29

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Lashing between working members or external bracing

Connecting adjacent work surfaces

416190, 416500, F01D 522

Patent

active

047340100

ABSTRACT:
The present invention relates to a damping element for independent blades of a turbomachine in which the blades fastened in the rotor are connected together, preferably in the radially outer region, the connection between two blades consists of an elastically deformable platelet curved towards the center of the rotor, which platelet engages in retention features on the suction side of one blade and on the pressure side of a second, neighboring blade. The retention features on the blades can be either recesses or protruding lugs, in or on which the platelets are supported.

REFERENCES:
patent: 1270232 (1918-06-01), Steenstrup
patent: 1378464 (1921-05-01), Junggren
patent: 1469901 (1923-10-01), Gilson
patent: 2914299 (1959-11-01), Mitchell
patent: 3055634 (1962-09-01), Mitchell
patent: 3209838 (1965-10-01), Frankel
patent: 3451654 (1969-06-01), Johnson
patent: 3708244 (1973-01-01), Dawson et al.
patent: 3751182 (1973-08-01), Brown

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