Patent No. EP4281340 (titled "Trailer Brake Control System") was filed by Agco on Dec 3, 2021. The application was issued on May 21, 2025.
A control system for a vehicle trailer brake that determines the coupling force between the vehicle and trailer and generates control signals to control the trailer brake system based on the determined coupling force. The system operates in a primary control mode when the coupling force is within a predetermined range and switches to a secondary control mode when the coupling force exceeds the range, to prevent trailer instability and ensure safe braking.

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