Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Patent
1992-12-30
1994-09-27
Tolin, Gerald P.
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
165 803, 165908, 174 163, 219757, 361697, H05K 720
Patent
active
053511662
ABSTRACT:
Cooling apparatus of a magnetron having a plurality of embossed cooling fins for radiating high temperature heat generated by an anode of the magnetron. Each of the cooling fins includes an anode support boss for tightly receiving and supporting the anode, a pair of erected walls being provided at both sides of the cooling fin, and a plurality of embossments for causing cooling airflow to be forced toward the rear surface of the anode and providing a cooling passage. These embossments are provided between the anode and the erected walls in order to symmetrical to each other with respect to the cooling airflow. The embossments comprise a plurality of protruded embossments provided at a side of the cooling fin and a plurality of depressed embossments provided at the other side of the cooling fin. The protruded and depressed embossments have an interval which is gradually shortened such that it is minimized at the rear of the anode. In accordance with this invention, the cooling air is forced toward the rear surface of the anode and, as a result, the separation region of the rear surface of the anode is remarkably reduced. The friction between the cooling air and the cooling fins is increased due to the embossments, thereby improving the cooling effect of the magnetron.
REFERENCES:
patent: 3457988 (1969-07-01), Meyerhoff
patent: 3916435 (1975-10-01), Camplin
patent: 4091252 (1978-05-01), Koinoma
patent: 4812617 (1989-03-01), Takeuji
patent: 5009263 (1991-04-01), Seshimo
patent: 5031693 (1991-07-01), VanDyke
patent: 5087853 (1992-02-01), Oguro
patent: 5103374 (1992-04-01), Azar
Goldstar Co. Ltd.
Tolin Gerald P.
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