Crankshaft tuning mechanisms for microwave oscillators

Details Crankshaft tuning mechanisms for microwave oscillators Crankshaft tuning mechanisms for microwave oscillators

1980-02-11

1982-01-26

Grimm, Siegfried H.

Oscillators

With magnetically controlled space discharge device

With frequency adjustment

315 3961, 331178, 333226, H01P 704, H03B 910, H03B 2300

Patent

active

043130917

ABSTRACT:
A resonant cavity of a microwave generator, such as a magnetron oscillator, is provided with a tuning piston which is rectilinearly displaceable between two terminal positions, corresponding to respective limiting frequencies, by means of a rotating crankshaft whose eccentric portion constitutes the inner race of a ball or roller bearing. The outer race of that bearing rolls, directly or through the intermediary of a captive spherical or cylindrical coupling member, on a transverse face of the tuning piston held in contact therewith by spring pressure.

REFERENCES:
patent: 3414761 (1968-12-01), Glenfield
patent: 3441794 (1969-04-01), Chun
patent: 3441795 (1969-04-01), Hynes et al.
patent: 3590313 (1971-06-01), Stoke
patent: 4234855 (1980-11-01), Busacca et al.
patent: 4247828 (1981-01-01), Busacca et al.

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