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US 4,620,263 AGranted
Container for accommodating a control device
AssigneeMitsubishi Denki Kabushiki Kaisha
InventorEizi Ito
Life of this patent
Estimating the term…
Abstract
A control device which contains parts that generate heat which comprises a box made of an aluminum die cast having radiator fins, and a cover plate that covers the open portion of the box. Cut-away portions are formed in the top surface and in the bottom surface of the box, and covers with or without windows are fitted to the cut-away portions, to permit construction of the control device in either a completely sealed form or shielded form housing.
Claims11
A control device, comprising:
- a control mechanism which rises in temperature during use;
- and
- a container including:
- a die cast aluminum housing having radiator fins, said housing containing said control mechanism therein, said housing having a side surface having an opening therein for obtaining access therethrough to the interior thereof, and opposite top and bottom surfaces, said top and bottom surfaces respectively having top and bottom cut-away portions,
- a cover plate covering said opening mounted to said housing over said opening, said housing and cover plate forming means for sealing the interior of said housing except through said cut-away portions, and
- top and bottom protective covers attached to said housing respectively covering said top and bottom cut-away portions.
3 more elements
Dependencies are inferred from the claim text.