Gyroscopic instrument

Details Gyroscopic instrument Gyroscopic instrument

1977-11-02

1980-12-23

Bonck, Rodney H.

Machine element or mechanism

Gyroscopes

Gyroscope control

73504, 73518, 73519, 74 55, G01C 1930, G01P 349

Patent

active

042403022

ABSTRACT:
A gyroscopic instrument which may be a compass or a turn-indicator or an artificial horizon includes a gyroscope rotor mounted in a frame for rotation and for universal pivotal motion and provided with a co-axial drum-shaped sleeve of a non-magnetic and electrically conductive material and an annular magnet having a substantially cylindrical air gap and being radially polarized to produce a radial magnetic field in said gap. This magnet is so mounted on the frame as to locate the rotor sleeve within the air gap with a radial clearance affording the rotor pivotal movability relative to the magnet.

REFERENCES:
patent: 2328744 (1943-09-01), Roters
patent: 2339606 (1944-01-01), Sias
patent: 2418032 (1947-03-01), Jewell
patent: 2419063 (1947-04-01), Fischer
patent: 2846207 (1958-08-01), Marggraf
patent: 2968955 (1961-01-01), Davenport
patent: 3025708 (1962-03-01), Slater et al.
patent: 3214981 (1965-11-01), Cogan
patent: 3242745 (1966-03-01), Romberg
patent: 3251233 (1966-05-01), Duncan et al.
patent: 3678764 (1972-07-01), Erdley et al.
patent: 3832906 (1974-09-01), Craig

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