Device for the determination of the unbalance of propellers

Details Device for the determination of the unbalance of propellers Device for the determination of the unbalance of propellers

1983-12-12

1986-03-04

Levy, Stewart J.

Measuring and testing

Rotor unbalance

Propeller, impeller, or fluid coupling

73483, G01M 102

Patent

active

045733554

ABSTRACT:
A propeller 12 is supported by means of a propeller accommodation 10 comprising a fixing flange on a tubular hollow bending spring 16. A tubular transmitting member 24 coaxial to the hollow bending spring 16, is affixed to the propeller accommodation 10. The position of the transmitting member 24 is detected in two coordinates by sensors 26 and displayed as a light spot by a vector display instrument. This results in calibratable unbalance display. An axial plunger 32 mounted on the hub 14 of the propeller 12 for the blade adjustment extends into the tubular transmitting member 24 and does not obstruct the mounting of the propeller 12 on the propeller accommodation 10.

REFERENCES:
patent: 4467650 (1984-08-01), Hines et al.
patent: 4489605 (1984-12-01), Kops

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