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US 4,513,812 AGranted
Heat sink for electronic devices
AssigneePapst-Motoren GmbH & Co. KG
InventorsGeorg Papst, Guenter Wrobel, Ulrich Koletzki
Life of this patent
Estimating the term…
Abstract
A heat sink for instrument parts and electronic devices is provided, the heat sink including an elongated rectangular plate having cooling ribs, the ribs extending in the longitudinal direction of the plate. A fan having radial discharge is mounted on the plate to effect ventilation of the ribs and the devices mounted on the heat sink.
Claims13
A heat sink for electronic devices comprising:
- an elongated, rectangular plate;
- a plurality of cooling ribs provided on one side of said plate, said ribs extending parallel to each other longitudinally of the plate and perpendicularly thereof;
- a channel extending longitudinally in the center of said plate and separating said ribs into two longitudinally extending groups, said channel providing space for receiving and mounting electronic devices therein;
- a recess formed in at least some of said ribs;
- and
- a fan having a fan wheel, said fan being mounted on said plate with its axis perpendicular thereto and with the fan wheel in said recess.
3 more elements
A heat sink for electronic devices comprising:
- an elongated, rectangular plate;
- a plurality of cooling ribs provided on both sides of said plate, said ribs extending parallel to each other longitudinally of the plate and perpendicularly thereof;
- a channel extending longitudinally in the center of said plate and separating said ribs on each side into two longitudinally extending groups, said channel on each side providing space for receiving and mounting electronic devices therein;
- a recess on each side formed in at least some of said ribs and located such that both opposing recesses are coaxially related;
- an opening in the plate providing communication between the opposing recessing;
- and
- a fan having a fan wheel, said fan having a radial air discharge and being mounted on said plate with its axis perpendicular thereto and with the fan wheel located within said recesses to radially discharge air for cooling on both sides of said plate.
4 more elements
Dependencies are inferred from the claim text.