AB Volvo has patented a method for power allocation between electric machines in an electric vehicle’s powertrain. The method adjusts power distribution between the machines before and during gear changes, optimizing performance. GlobalData’s report on AB Volvo 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 AB Volvo, Direct injection type engines was a key innovation area identified from patents. AB Volvo's grant share as of April 2024 was 55%. Grant share is based on the ratio of number of grants to total number of patents.
Power allocation method for electric machines in electric vehicle powertrain
The granted patent (Publication Number: US11964662B2) discloses a method for efficiently allocating power between electric machines in the powertrain of an electric vehicle. The method involves adjusting the power distribution between the electric machines before, during, and after a gear change in the vehicle's gearbox. By dynamically allocating power according to predefined power ratios, the method optimizes the performance of the electric machines based on the specific requirements of the gear change process.
Furthermore, the patent includes additional steps such as determining the type of gear change (upshift or downshift), accelerating or decelerating the output shaft of the first electric machine accordingly, and considering factors like power needed for propulsion and gear change performance. The method also takes into account the maximum power throughput of the electric machines and ensures efficient power allocation based on available power resources. The patent also covers a controlling apparatus for implementing the method in the powertrain of an electric vehicle, as well as the integration of the controlling apparatus in an electric vehicle and a computer program for executing the method. Overall, the patented method aims to enhance the efficiency and performance of electric vehicles by optimizing power allocation during gear changes in the powertrain.
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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.
