A bubble separation structure for an expansion water tank for a vehicle

Through the design of dividing multiple working chambers in the vehicle expansion tank, the problem of air in the coolant affecting heat dissipation is solved, the cooling liquid is fully released and separated, the heat dissipation efficiency and power are improved, and the vehicle's power performance is guaranteed.

CN222702039UActive Publication Date: 2025-04-01ZHONGTONG BUS HLDG
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Patent Information

Application Number
CN202421399272.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-18
Publication Date
2025-04-01
Estimated Expiration
2034-06-18

AI Technical Summary

Technical Problem

In the existing vehicle cooling system, the air mixed in the coolant affects the heat dissipation power and efficiency, and high-temperature gases are repeatedly sucked into the heat dissipation circulation system to weaken the heat dissipation performance.

Method used

A bubble separation structure of an automotive expansion water tank is designed. By dividing multiple working chambers in the expansion water tank, the coolant passes through each working chamber in an orderly manner, fully releasing and separating the air in the high-temperature coolant to prevent gas from being repeatedly sucked into the heat dissipation circulation system.

Benefits of technology

Effectively separate bubbles in the coolant, improve the heat dissipation efficiency and heat dissipation power of the heat dissipation system, ensure vehicle power performance, and expand the use range of ambient temperature.

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Abstract

The utility model provides a bubble separation structure for an expansion water tank for a vehicle, belonging to the technical field of vehicle cooling systems, comprising a box body, the inside of which is hollow, a liquid inlet and an exhaust port are arranged on the top of the box body, a liquid replenishment outlet is arranged on the bottom of the box body, and the box body is divided into multiple working chambers by partitions, and the multiple working chambers are interconnected. The utility model can ensure that the coolant is fully released, separate the air mixed in the high-temperature coolant, and prevent the high-temperature gas from being repeatedly sucked into the cooling circulation system, which affects the cooling efficiency of the cooling system.
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