Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Discharge device load with distributed parameter-type...
Patent
1994-07-27
1997-02-04
Dolinar, Andrew M.
Electric lamp and discharge devices: systems
Combined load device or load device temperature modifying...
Discharge device load with distributed parameter-type...
315 3951, 313 32, 313 35, H01J 2324, H01J 2536
Patent
active
056002076
ABSTRACT:
The present invention provides a double helix coupled vane forward wave crossed-field amplifier utilizing backwall cooling and vane channel cooling in the RF slow wave circuit. Backwall channel cooling is provided for the majority of the anode vanes. Additional cooling is provided exclusively for the output vanes via individual coolant carrying passages in each output vane. The coolant carrying passages are machined into each standard double helix coupled output vane to create a vane channel in the shape of a "U". A tube formed in a corresponding U-shape is inserted and brazed to the machined vane. The vane assembly is then attached to the anode body of which the backwall has holes formed to accept the tubes from each vane. Divided backwall coolant channels are brazed to the outside of the anode, thereby placing in fluid communication the coolant channels to the tubes. Accordingly, coolant is cycled from a first backwall channel, through the output vanes and through the majority of the circumference of the anode via a second backwall channel, and back into the first backwall channel through a conduit and the vanes of the anode are thus preferentially cooled.
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Technical Letter (untitled), prepared by Litton Electron Devices Division and provided to the U.S. Navy in Oct. 1992.
Doyle Edward M.
Kleinle Scott A.
Musheno Joseph C.
Ramacher Kenneth F.
Wheeland Chris L.
Dolinar Andrew M.
Litton Systems Inc.
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