Schaeffler has been granted a patent for a park lock gear assembly for vehicle transmission units. The assembly includes a park lock gear on a transmission shaft, a housing unit with a portion parallel to the shaft, and a bearing assembly between the gear and housing. The bearing assembly does not engage with the gear during operation. GlobalData’s report on Schaeffler 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 Schaeffler, Crankshaft ball bearings was a key innovation area identified from patents. Schaeffler's grant share as of April 2024 was 32%. Grant share is based on the ratio of number of grants to total number of patents.
Park lock gear assembly for vehicle transmission unit
The granted patent (Publication Number: US11965595B2) discloses a park lock gear assembly for a transmission unit of a vehicle. The assembly includes a park lock gear arranged on a transmission shaft, a housing unit of a motor unit with a portion parallel to the transmission shaft, and a bearing assembly between the park lock gear and the housing unit. Importantly, the bearing assembly is not engaged with the park lock gear during operation, providing a specific configuration for efficient functioning.
Furthermore, the patent describes variations in the assembly, such as the inclusion of a radial clearance between the park lock gear and the housing unit, the use of a rolling bearing unit pressed onto the housing unit, and the arrangement of the bearing assembly adjacent to a rotor shaft bearing assembly. These features aim to enhance the performance and durability of the park lock gear assembly. The patent also covers the application of this assembly in a motor/transmission unit, highlighting its potential use in practical automotive systems.
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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.
