American Axle & Manufacturing has been granted a patent for an electric drive module featuring a unique transmission system with multiple reductions, differential assembly, and park lock mechanism. The design allows for efficient power transmission and secure parking functionality. GlobalData’s report on American Axle & Manufacturing 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 American Axle & Manufacturing, was a key innovation area identified from patents. American Axle & Manufacturing's grant share as of April 2024 was 63%. Grant share is based on the ratio of number of grants to total number of patents.
Electric drive module with differential assembly and park lock mechanism
A recently granted patent (Publication Number: US11946531B2) discloses an electric drive module with a unique design aimed at efficient power transmission. The module includes a housing assembly with a motor housing, gearbox, and gearbox cover, housing a motor assembly with an electric motor and inverter. The transmission system consists of various reduction gears and a differential assembly to transmit power from the electric motor to the output shafts. Additionally, a park lock mechanism is integrated into the module to prevent rotation when necessary, enhancing safety and control during operation.
Furthermore, the patent details the specific configurations and components of the electric drive module, highlighting the differential gearset, differential pinions, and load distribution mechanisms within the system. The design ensures even distribution of loads on the gears, optimizing performance and longevity. The rotational speeds and pitch line velocities of the gears are carefully controlled to meet operational requirements, with the module capable of achieving high rotational speeds while maintaining efficiency. Overall, the patented electric drive module offers a comprehensive solution for power transmission in electric vehicles, emphasizing reliability, safety, and performance in a compact and efficient design.
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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.
