Integrated forced convection air cooling systems

Details Integrated forced convection air cooling systems Integrated forced convection air cooling systems

1991-02-21

1992-03-17

Look, Edward K.

Rotary kinetic fluid motors or pumps

Plural runners supported for relative motion or on separate...

415223, 4152141, 4152191, 310 71, F04D 1702, H04K 720

Patent

active

050963732

ABSTRACT:
A fan assembly with a single fan housing that has at least one fan passage adapted to allow air to flow through the housing. A separate fan subassembly is snapped into a motor housing formed within the passages of the fan housing. The subassembly includes an electric motor that rotates an impeller. The rotation of the impeller creates an airflow through the air passage. Attached to the surface of the housing is a conductor that extends from the motor, to an electrical connector that supplies power to the motor from an external power source. The air passage has rounded entrances and is formed such that the passage is shaped like a venturi tube. The rounded edges reduce the head loss through the passage by an order of magnitude, decreasing the pressure drop across the housing and improving the overall efficiency of the fan.

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