Assembly comprising a heat exchanger

EP4646756A1Pending Publication Date: 2025-11-12VALEO ELECTRIFICATION
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Patent Information

Application Number
EP2023817770
Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-01-02
Filing Date
2023-12-05
Publication Date
2025-11-12

AI Technical Summary

Technical Problem

Current vehicle systems require separate, bulky components for thermal management of battery packs, power electronics, and passenger comfort, leading to increased size and complexity, with complex fluidic connections and additional pipes needed for heat transfer fluids.

Method used

A compact assembly integrating both water-based and dielectric fluid circuits with a fluid junction for heat exchange, eliminating the need for additional pipes and centralizing thermal management components, featuring degassing tanks and a two-stage valve for efficient fluid circulation and heat transfer.

Benefits of technology

This solution optimizes vehicle footprint, reduces costs, and simplifies integration by enabling synergy in thermal management, enhancing cooling efficiency and reducing the risk of electrical issues with dielectric fluids.

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Abstract

The invention relates to an assembly (1), in particular for a vehicle, comprising: - a first sub-assembly (100) configured for circulation of a first heat-transfer fluid, in particular water-based, comprising a component with fluidic function, in particular a valve or a pump (48), dedicated to the circulation of the first heat-transfer fluid; - a second sub-assembly configured (200) for circulation of a second heat-transfer fluid, in particular a dielectric fluid, comprising a component with fluidic function, in particular a valve or a pump, dedicated to the circulation of the second heat-transfer fluid, this second sub-assembly being attached to the first sub-assembly; and - a fluidic junction (300) between the first sub-assembly and the second sub-assembly, configured to allow a circulation of the first heat-transfer fluid from the first sub-assembly (100) to the second sub-assembly (200) so as to allow, in a heat exchanger belonging to the second sub-assembly, a heat exchange between the first heat-transfer fluid and the second heat-transfer fluid.
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