Allison Transmission. has filed a patent for a power distribution system that efficiently supplies electrical power to various parts of a vehicle. The system includes a power distribution board and ancillary expansion boards to regulate power distribution, allowing for routing power to multiple high-current and low-current devices within the vehicle. The system also includes adjustable ancillary expansion boards to supply power to desired low-current devices and high-current terminals for connecting to a charger. GlobalData’s report on Allison Transmission 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 Allison Transmission, Hybrid powertrains was a key innovation area identified from patents. Allison Transmission's grant share as of January 2024 was 61%. Grant share is based on the ratio of number of grants to total number of patents.

Power distribution system for low and high-current vehicular components

Source: United States Patent and Trademark Office (USPTO). Credit: Allison Transmission Holdings Inc

The patent application (Publication Number: US20240025362A1) describes a system for distributing electricity in vehicles, specifically for low-current and high-current vehicular components. The system includes a power distribution unit with terminals to regulate the current for each type of component. The housing of the system can have the terminals mounted on opposite sides or the same side, depending on the configuration chosen.

Additionally, the system incorporates bus bars to supply power to the high-current terminal and features an ancillary expansion board (AEB) for regulating power flow to ancillary devices. The power distribution unit (PDU) and AEB are mounted within the housing and communicate with each other. The system also includes provisions for interfacing with a current sensor to measure current at the high-current terminal and facilitate regenerative braking for charging an energy storage system. Overall, the system offers a comprehensive solution for managing electricity distribution in vehicles, ensuring efficient power regulation and control for various components.

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