Improved heat sink assembly

In a cooling system for cooling power electronics on a locomotive where the cooling system includes a finned heat sink that has air passing therethrough an airway passage to reach a plurality of fins where reducing airborne debris clogging of the plurality of fins is preferred, the heat sink include...

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Bibliographische Detailangaben
Hauptverfasser:	BROWN, THEODORE CLARK, DONAJKOWSKI, ROLAND, KUMAR, AJITH KUTTANNAIR
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS BLASTING CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY HEAT EXCHANGE IN GENERAL HEATING LIGHTING MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS MECHANICAL ENGINEERING PRINTED CIRCUITS SEMICONDUCTOR DEVICES WEAPONS
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Beschreibung
Zusammenfassung:	In a cooling system for cooling power electronics on a locomotive where the cooling system includes a finned heat sink that has air passing therethrough an airway passage to reach a plurality of fins where reducing airborne debris clogging of the plurality of fins is preferred, the heat sink includes at least one of a by-pass area having no fins located at an area where debris is expected to pass through the plurality of fins, a turning guide directing air between the plurality of fins .at a specific location, a blockage reduction fin structure on at least one fin of the plurality of fins, and fins proximate within the inlet airway passage.