Integrated large-capacity urea solution supply device and vehicle-mounted SCR system

By designing an integrated large-capacity urea solution supply device, the existing devices have limited capacity and high cost problems, and achieve higher integration and greater storage capacity to meet the urea solution supply needs of heavy trucks or engineering special vehicles.

CN119737215APending Publication Date: 2025-04-01KAILONG HIGH TECH CO LTD
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Patent Information

Application Number
CN202411796144.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-09
Publication Date
2025-04-01

AI Technical Summary

Technical Problem

The existing urea solution supply devices are limited in heavy trucks or engineering special vehicles, large space occupied, complex tooling molding and diverse fixed production structures, resulting in high overall system costs and difficult to meet the demand for large-capacity supply.

Method used

An integrated large-capacity urea solution supply device is designed, including a bracket assembly, a urea solution tank, a urea liquid level quality sensor, a metering jet pump and a DCU controller. Through modular design, the structural layout is simplified, the overall integration is improved, and the large-capacity supply needs are met.

Benefits of technology

The device significantly reduces the volume through integrated design, while increasing the storage capacity under the same volume, meeting the large-capacity urea solution supply needs of heavy trucks or engineering special vehicles, reducing system costs, and meeting the vehicle's lightweight and modular design requirements.

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Abstract

The present invention relates to the technical field of internal combustion engine exhaust gas purification, and discloses an integrated large-capacity urea solution supply device and a vehicle-mounted SCR system, wherein the integrated large-capacity urea solution supply device comprises a bracket assembly, a urea solution tank, a urea liquid level quality sensor, a metering injection pump and a DCU controller. The above-mentioned integrated large-capacity urea solution supply device modularizes and integrates various components together, simplifies and optimizes the structural layout, and effectively controls the overall volume. Compared with the original urea solution supply device, it has a larger storage capacity under the same volume, and can meet the supply demand of large-capacity urea solution of heavy trucks or special engineering vehicles. The vehicle-mounted SCR system composed of the above-mentioned device has a higher degree of integration and is more in line with the design requirements of vehicle lightweight and modularization.
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