Cooling air duct and cooling apparatus

Details Cooling air duct and cooling apparatus Cooling air duct and cooling apparatus

1997-09-09

1999-08-03

Doerrler, William

Refrigeration

Using electrical or magnetic effect

Thermoelectric; e.g., peltier effect

62296, 62401, 361692, 361695, H05K 720

Patent

active

059310022

ABSTRACT:
The invention provides an air cooling duct and a cooling apparatus which can effect ventilation and cooling with certainty while suppressing noise. The cooling air duct is provided on a wall of a housing, in which a heat source is accommodated, and inducts external air into the housing or vents air in the housing to the outside of the housing in order to cool the inside of the housing. The cooling air duct defines an air path for communicating the inside and the outside of the housing with each other and further defines an expansion chamber formed on the air path. The cooling apparatus includes the cooling air duct. The cooling air duct and the cooling apparatus can be used principally to cool the inside of a housing of an electronic apparatus such as a computer or a communication apparatus.

REFERENCES:
patent: 3140928 (1964-07-01), Spalding
patent: 3158007 (1964-11-01), Kentfield
patent: 3200607 (1965-08-01), Williams
patent: 5107398 (1992-04-01), Bailey
patent: 5477416 (1995-12-01), Schkrohowsky et al.
patent: 5729995 (1998-03-01), Tajima

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