Internally actuated sperical bearing

Details Internally actuated sperical bearing Internally actuated sperical bearing

1981-05-06

1984-03-06

Footland, Lenard A.

Cutlery

23926535, F16C 1106

Patent

active

044350236

ABSTRACT:
An internally actuated spherical bearing having particular utility for vectoring the thrust produced by the propulsion system of a rocket propelled vehicle comprises, in single axis-rotation nozzle structures, a pair of elongated kidney loop seal actuators that are arranged in end-to-end relation with each actuator wrapped around approximately 180.degree. of the inner race in each semi-circle, the ends of each actuator being disposed at spaced positions proximate the pivotal axis of the inner race. For omni axial rotation nozzles the bearing includes a pair of such actuators to effect nozzle rotation on the pitch axis, and further includes a second pair of elongated kidney loop seal actuators to effect nozzle rotation on the yaw axis, each of the yaw actuators also being wrapped in end-to-end relation around approximately 180.degree. of the bearing in each semi-circle with the latter semi-circles being in a plane proximate to the plane containing the pitch axis semi-circles but angularly displaced 90.degree. therefrom.

REFERENCES:
patent: 1889114 (1932-11-01), Smith et al.
patent: 3446437 (1969-05-01), McCullough et al.
patent: 3659788 (1972-05-01), Oldfield et al.
patent: 3727843 (1973-04-01), Parilla
patent: 3912172 (1975-10-01), Bolner

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