Mahle has filed a patent for a heat exchanger designed for airflow in the x-direction. The innovative design includes multiple rows of flat tubes divided into groups for efficient cooling fluid flow, ensuring a uniform temperature distribution. This technology aims to improve heat exchange processes. GlobalData’s report on Mahle gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on Mahle, Battery management systems was a key innovation area identified from patents. Mahle's grant share as of January 2024 was 39%. Grant share is based on the ratio of number of grants to total number of patents.

Heat exchanger for air flow with homogenous temperature distribution

Source: United States Patent and Trademark Office (USPTO). Credit: Mahle GmbH

A patent application (Publication Number: US20240035751A1) describes a heat exchanger designed to be flowed through by air in the x-direction. The heat exchanger includes at least one first row of flat tubes and a second row of flat tubes oriented in the z-direction. These flat tubes can be flowed through by a cooling fluid and are divided into at least three flat tube groups in the y-direction. The cooling fluid inlet is connected to the first flat tube group of the first row in the middle region, setting up a specific flow pattern within the heat exchanger.

Furthermore, the patent application details the flow path of the cooling fluid through different flat tube groups in a specific sequence, with each group having an almost identical flow cross-section. The design includes multiple rows of flat tubes, with the second row positioned between the first and third rows. The flow cross-section of the flat tube groups varies based on their position and role within the heat exchanger, ensuring efficient heat transfer. Overall, the patent application outlines a complex yet structured design for a heat exchanger that optimizes the flow of cooling fluid to enhance heat exchange efficiency.

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