Cooling system for tunable microwave generator

Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Distributed parameter resonator-type magnetron

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313 22, 313 30, 313 34, 315 3951, H01J 2550

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active

042569907

ABSTRACT:
A magnetron with a central cathode coaxially surrounded by an annular anode forming an array of cylindrical resonant cavities is tunable by an axially movable disk carrying hollow plungers which project into these cylinders, the disk being spacedly overlain by a lid or wall member defining therewith a shallow chamber for the circulation of a cooling fluid. The fluid enters and leaves via expandable inlet and outlet channels to traverse not only the chamber but also the interior of the several plungers. The axial adjustment of the disk is brought about by rotation of a ring with an internally threaded hub engaging a complementarily threaded hollow boss rigid with the disk, the chamber communicating with the interior of the boss through peripheral apertures of the latter. The fluid is branched off a hydraulic circuit for the cooling of the stationary electrode structure formed by the anode and the cathode.

REFERENCES:
patent: 2496887 (1950-02-01), Nelson
patent: 2512901 (1950-06-01), Litton
patent: 2523049 (1950-09-01), Nelson
patent: 2554272 (1951-05-01), Sloan
patent: 2678407 (1954-05-01), Brown
patent: 3707639 (1972-12-01), Pickering
patent: 4028583 (1977-06-01), Bigham

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