Radar-based liquid volume detection in a moving vessel and use of radar sensor on agricultural implement

A radar-based sensor system with a 60 GHz radar and six-degree-of-freedom inertial movement sensor addresses the challenge of accurately measuring liquid levels in agricultural implements, ensuring precise monitoring and reducing spillage and environmental impact.

WO2025174784A1 Publication Date: 2025-08-21KINZE MFG INC
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Patent Information

Application Number
PCT/US2025/015452
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-02-12
Filing Date
2025-02-12
Publication Date
2025-08-21

AI Technical Summary

Technical Problem

Existing agricultural systems face challenges in accurately measuring and monitoring liquid fertilizer levels in tanks on agricultural implements, especially when tilted or on uneven terrain, leading to inconsistent application, spillage, and environmental hazards.

Method used

A radar-based sensor system with a 60 GHz radar sensor and a six-degree-of-freedom inertial movement sensor is used to determine liquid volume and positional information, providing accurate measurements even when the tank is moving or tilted.

Benefits of technology

The system ensures precise liquid level monitoring, reducing spillage, improving application consistency, and enhancing safety and efficiency by minimizing chemical runoff and material waste.

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Abstract

Agricultural inputs, such as liquid fertilizer, is stored in a tank. The tank can be positioned on an agricultural implement. The level of liquid in the tank will vary upon application, and determining the level remaining in the tank presents a problem, especially when the implement is tilted or angled, such as on a side hill. A phase coherent pulse radar sensor in conjunction with a six degree-of-free sensor can provide the needed information for determining the volume in the tank as the implement moves in a field and over unlevel terrain. The radar and sensor can also be used to determine positional aspects of the implement, such as heading, speed, orientation, pitch, yaw, and the like.
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