Meritor has been granted a patent for an axle assembly with an electric motor module. The module includes a rotor, rotor shaft, stator, coolant jacket, end plate, and motor housing. The end plate is fixed to the coolant jacket and supports the rotor shaft, while the motor housing encircles a portion of the coolant jacket. GlobalData’s report on Meritor 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 Meritor, was a key innovation area identified from patents. Meritor's grant share as of February 2024 was 63%. Grant share is based on the ratio of number of grants to total number of patents.
Electric motor module for axle assembly
The granted patent (Publication Number: US11888377B2) discloses an innovative axle assembly comprising an electric motor module with a rotor, rotor shaft, stator, coolant jacket, end plate, and motor housing. The design ensures efficient cooling with a set of channels open in a direction facing away from the rotor axis, allowing for optimal performance. The motor housing, end plate, and coolant jacket are strategically positioned to enhance functionality, with specific features like body roll clearance for vehicle structures defining an aisle.
Additionally, the axle assembly includes a wheel end assembly, inboard transmission housing, and a transmission for torque transmission between the electric motor module and the wheel end assembly. The integration of various components within the assembly ensures a compact and functional design. The method of making the axle assembly involves assembling the electric motor module, attaching the end plate, and installing it on a transmission housing assembly. This method ensures a streamlined manufacturing process, with components like the end plate and coolant jacket being strategically placed for optimal performance and functionality.
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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.
