MUMBAI, India, July 13 -- Intellectual Property India has published a patent application (202621043276 A) filed by Vishal Balaso Patil; Mr. Rahul Naval Baviskar; Dr. Dinesh Yashwant Dhande; Mr. Arjun Ningraj Vhanmane; Dr. Tapobrata Dey; Mr. Lalit Kumar Choudhary; Dr. Nilesh Gulabrao Jawarkar; Mr. Yash Santosh Tidke; Mr. Sourabh Pruthviraj Takalikar; and Mr. Vedant Sunil Sonar on April 04, 2026, for Propeller Shaft Emergency Braking System.

Inventors include Vishal Balaso Patil; Mr. Rahul Naval Baviskar; Dr. Dinesh Yashwant Dhande; Mr. Arjun Ningraj Vhanmane; Dr. Tapobrata Dey; Mr. Lalit Kumar Choudhary; Dr. Nilesh Gulabrao Jawarkar; Mr. Yash Santosh Tidke; Mr. Sourabh Pruthviraj Takalikar; and Mr. Vedant Sunil Sonar.

The application for the patent was published on July 10, 2026, under issue no. 28/2026.

Abstract: In automotive vehicles, the brakes are playing a very important role and it acts as a control system which is used to keep the vehicle stationary as well as to retard the speed of the vehicle. In recent developments, many safety features are developed in the automotive sector to improve braking efficiency. Such as Anti-locking braking system, electronic brake distribution, brake detection system using sensors, and many more. These systems are mounted on the pressure lines of the primary braking system. If the system losses the pressure then this all systems remain idle, and the driver lost control over the vehicle. Which results in accidents it may be minor or major. This invention relates to the design and development of propeller shaft emergency braking system. The main aim of this invention is to identify the failure of the braking system and apply brakes automatically to the vehicle. In this system combination of pneumatic, hydraulic and electrical systems are used. Two types of braking systems are used in normal vehicles, primary braking system, and secondary braking system. For normal braking, a primary braking system is used to control the vehicle. When the primary brake fails due to loss in fluid pressure then the system automatically operates the drum brake by using a linear pneumatic actuator. The pneumatic cylinder is actuated by a solenoid operated direction control valve and the solenoid direction control valve operations are controlled by the electronic control unit. When high-pressure compressed air is transferred from the air tanks to the pneumatic cylinder, and the brake cable is pulled by the pneumatic cylinder. As a result, the secondary brake caliper connected to the brake cable applies the brake on the brake disc. As the brake disc is mounted on the propeller shaft, it stops rotating. The propeller shaft is connected to the rear axles via the differential, causing the rear wheels, rear axles, differential, and propeller shaft to function as a single unit. If the propeller shaft stops rotating due to the secondary emergency braking system, the vehicle will automatically stop, and reducing the chances of accidents. Due to that gradual braking is applied on the rear wheels and the vehicle is stopped without skidding or jerking.to give the warning to the driver led light and buzzer is used. Figure 1, 2 and 3.

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