Helicopter rotors with elastomeric bearings

Details Helicopter rotors with elastomeric bearings Helicopter rotors with elastomeric bearings

1991-03-20

1992-09-08

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Support mounting, carrier or fairing structure

416134A, 416141, B64C 2714

Patent

active

051453215

ABSTRACT:
A rotor for rotation about an axis includes a driving member rotationally fixed to a drive shaft and having a plurality of equi-spaced drive pins extending radially of the axis of rotation and in a plane of rotation perpendicular to the axis, and located in an elastomeric bearing assembly attached to a gimbal housing connected to a spherical elastomeric thrust bearing having a geometral center located at an intersection of the axis of rotation and the plane of rotation whereby in operation the rotor can be tilted in any direction about the center.

REFERENCES:
patent: 4115031 (1978-09-01), Drees et al.
patent: 4306836 (1981-12-01), Mayerjak
patent: 4877375 (1989-10-01), Desjardins

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