| 摘要 |
The disclosure concerns the cooling of frequency tuning motors of agile magnetrons. These motors dissipate a fairly high level of power in a small volume, for they have great winding lengths, the coil being relatively fine to reduce the weight. It is proposed, herein, to fill the very narrow gap in which the coil moves with a gas having high thermal conductivity (such as helium or hydrogen). The gas then forms a thermal shunt between the coil and the pole pieces. The latter are capable of absorbing the heat which is thus transmitted to them.
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