Continuous force actuator

Details Continuous force actuator Continuous force actuator

1980-08-14

1982-09-14

Barefoot, Galen L.

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

92 48, 92128, 92169, 244213, 244 75R, B64C 348, F01B 1904

Patent

active

043491693

ABSTRACT:
A continuous force actuator having a housing, a pair of slidably mounted T-shaped pistons therein and a plurality of resilient, hollow pressure tubes surrounding each of the pistons. The insertion of fluid into or the removal of fluid from the resilient tubes alters the position of the pistons relative to the housing and thereby controls the continuous force applied by the actuator. By operably connecting the continuous force actuator between opposite components of, for example, a variable configurated airfoil, continuous control of the airfoil configuration can be performed in a reliable and accurate manner.

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