Gyro apparatus using viscous damping device

Details Gyro apparatus using viscous damping device Gyro apparatus using viscous damping device

1978-04-06

1980-09-16

Bonck, Rodney H.

Machine element or mechanism

Gyroscopes

Gyroscope control

29458, 33346, 73430, 74574, 188 1B, 427239, G01C 1916, B23P 1100

Patent

active

042222788

ABSTRACT:
A viscous damping device positioned between a gimbal shaft and a bearing sleeve supporting the gimbal shaft is provided for damping a gyro apparatus in a rotational direction. The viscous damping device comprises first and second rings fixed to an outer periphery of the gimbal shaft. A circular groove provided in the first ring is complementary with a circular protrusion of the second ring, so that damping liquid initially poured into the circular groove is made to fill an air gap between the outer peripheries of the rings and an inner wall of the bearing sleeve by inserting the circular protrusion into the circular groove.

REFERENCES:
patent: 2751109 (1956-06-01), Moore
patent: 3160237 (1964-12-01), Reason et al.
patent: 3196692 (1965-07-01), Jensen
patent: 3303707 (1967-02-01), Simons
patent: 3336812 (1967-08-01), Winfrey et al.
patent: 3355943 (1967-12-01), Mills et al.
patent: 3422684 (1969-01-01), Powell
patent: 3494203 (1970-02-01), Efimenko et al.
patent: 3597983 (1971-08-01), Schwarzschild
patent: 3986248 (1976-10-01), Meshberg et al.

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