Barometric non-linear altitude compensator means

Details Barometric non-linear altitude compensator means Barometric non-linear altitude compensator means

1975-12-15

1977-03-08

Woodiel, Donald O.

Measuring and testing

Barometer

Aneroid

G01L 712

Patent

active

040106462

ABSTRACT:
A correction mechanism for supplying an altimeter indicator with a rotational torque to compensate for the non-linear relationship between pressure altitude and barometric pressure. The correction mechanism has a first gear for receiving an input force and a second gear connected to the first gear. The second gear is eccentrically located on a shaft which connects a third gear with the altitude indicator. Because of the eccentricity of the second gear the line of action between the second gear and the first gear causes the shaft to rotate the third gear through a varying arcuate length for each tooth engagement.

REFERENCES:
patent: 2552377 (1951-05-01), Jenny

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