Electronic device casing with radiator and fan

The electronic casing design with vertically extending cooling fins and pins, along with a fan positioned on these pins, addresses inefficiencies in airflow and heat dissipation, enhancing cooling efficiency and compactness without additional parts, suitable for automotive applications.

JP2026522017APending Publication Date: 2026-07-03CONTINENTAL AUTOMOTIVE TECHNOLOGIES GMBH
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
CONTINENTAL AUTOMOTIVE TECHNOLOGIES GMBH
Filing Date
2024-05-22
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Existing electronic device casings with heat sinks and blower fans are inefficient in cooling all electronic components due to the fan's placement parallel to the heatsink, obstructing airflow and limiting effective heat dissipation from components beneath the fan's smooth portion, while also degrading airflow performance.

Method used

The electronic casing design includes a heat sink with vertically extending cooling fins and pins, and a blower fan positioned on these pins with its rotation axis perpendicular to the heatsink bottom wall, creating an air passage and optimizing airflow to enhance heat dissipation from both types of heat dissipation elements.

Benefits of technology

This configuration improves heat dissipation efficiency by ensuring all components benefit from forced airflow, maintains compactness, and maintains production costs without increasing part count, suitable for automotive applications.

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Abstract

Electronic device casing (1) including an electronic substrate supporting a heat dissipation element (51, 52) to be cooled, the casing comprising: - a rigid chassis (4); - a rigid cover (6) mounted on a frame to form a housing; - a radiator (3) positioned above the electronic substrate housed within the housing, the radiator comprising a bottom wall (35) in thermal contact with the heat dissipation element, - the radiator (3) comprising a plurality of cooling fins (36) extending vertically within a first portion (3A) of the bottom wall and a plurality of pins (37) extending vertically within a second portion (3B) of the bottom wall; and - a blower fan (2) positioned on the plurality of pins to raise the fan from the bottom wall of the radiator to create an air passage through the pins.
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