COANDA EFFECT BEARING COOLER

A compact, energy efficient air cooling system for a rotating shaft bearing module includes a Coanda surface having a periphery that smoothly curves from a radial center to axial alignment with a side of the module. A fan blade mounted on the shaft directs an airflow radially parallel and adjacent t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Schappert, Stephen R, Judge, Scott C, Koehler, Andrew Todd
Format:	Patent
Sprache:	eng
Schlagworte:	BEARINGS BLASTING ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A compact, energy efficient air cooling system for a rotating shaft bearing module includes a Coanda surface having a periphery that smoothly curves from a radial center to axial alignment with a side of the module. A fan blade mounted on the shaft directs an airflow radially parallel and adjacent to the Coanda surface, causing the airflow to be bent by the Coanda effect from radial to axial, and to be directed along the side of the housing. Embodiments that can be applied to existing housings include a Coanda panel adjacent to the housing end face. A double suction fan blade can draw both external air and air from between the panel and the housing. In other embodiments the housing end face itself is a Coanda surface. A fan cover can have an inwardly curved periphery that forms a reduced gap or nozzle with the Coanda surface.