Electronic apparatus with improved heatsink arrangement

Details Electronic apparatus with improved heatsink arrangement Electronic apparatus with improved heatsink arrangement

1998-09-18

2000-07-11

Thompson, Gregory

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

622592, 174 152, 361700, H05H 720

Patent

active

060882239

ABSTRACT:
Electronic apparatus comprises an electronic component which in use generates heat and a heatsink mounted within a housing having a thermal path to the electronic component. The heatsink comprises formations for generating by natural convection a cooling airflow for dissipating heat from the electronic component. Neighbouring first and second walls of the housing each comprise a vent structure and the formations of the heatsink define one or more oblique paths from the vent structure in the first wall across the heatsink to the vent structure in the second wall so that in at least a first operating orientation the cooling airflow generated by the heatsink passes from the vent structure in the first wall across the heatsink to the vent structure of the second wall and in at least a second operating orientation the cooling airflow generated by the heatsink passes from the vent structure in the second wall across the heatsink to the vent structure of the first wall. The invention finds particular, though not exclusive, application to personal computers which may be operated in either a desktop or tower configuration.

REFERENCES:
patent: 3462553 (1969-08-01), Spranger
patent: 4717216 (1988-01-01), Hornalt
patent: 5243218 (1993-09-01), Zenitani et al.
patent: 5339214 (1994-08-01), Nelson

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