Aisin‘s patented vehicle braking device features a hydraulic circuit with two systems and a connection flow channel. The system includes a fluid supply unit, determination unit, and control unit to detect and respond to fluid leaks, ensuring efficient braking performance and safety. GlobalData’s report on Aisin gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Aisin, Hybrid powertrains was a key innovation area identified from patents. Aisin's grant share as of April 2024 was 46%. Grant share is based on the ratio of number of grants to total number of patents.
Vehicle braking device with leak detection and fluid supply control
The granted patent (Publication Number: US11964643B2) discloses a vehicle braking device equipped with a hydraulic circuit comprising a first system, a second system, and a connection flow channel connecting the two systems. The device includes a fluid supply unit, first and second braking units for applying braking force to respective wheels, a determination unit to detect fluid leakage from the second system, and a control unit to adjust fluid supply to the first system in case of leakage. The system also features a master cylinder with specific control executed until the output chamber reaches its minimum volume in response to the determination.
Furthermore, the patent includes additional features such as a solenoid valve in the connection flow channel, controlled by the control unit to reduce the fluid amount passing through during specific control. The control unit operates within a set time period based on the maximum volume of the output chamber, ensuring efficient and timely response to fluid leakage from the second system. These innovative elements enhance the safety and performance of the vehicle braking system, providing a reliable mechanism for detecting and addressing potential leaks to maintain optimal functionality during operation.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
