AB Volvo has been granted a patent for a powertrain in a Mild Hybrid vehicle. The system includes an engine, gearbox, electric machine, and gear reduction mechanism with adjustable torque ratios. The design allows for the connection of auxiliary components while maintaining efficient power transmission. 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 February 2024 was 55%. Grant share is based on the ratio of number of grants to total number of patents.

Powertrain for mild hybrid vehicle with gear reduction mechanism

Source: United States Patent and Trademark Office (USPTO). Credit: AB Volvo

The granted patent (Publication Number: US11919400B2) discloses a powertrain for a Mild Hybrid vehicle, featuring an engine, gearbox, electric machine, and gear reduction mechanism with unique interdependent junction elements. These elements allow for the selection of different torque ratios, enabling efficient power distribution within the powertrain. The design includes a coupling mechanism for auxiliary fitting, additional gearing mechanisms for offset creation, and a control member for adjusting the rotational connections. The powertrain is further detailed to accommodate the electric machine and auxiliary components while maintaining optimal functionality.

Moreover, the patent outlines various configurations and components within the powertrain, such as the gear reduction mechanism's epicyclic gear setup, control member functionality, and torque ratio adjustments. The powertrain's connection points, including the countershaft, electric machine, and gear elements, are strategically positioned to enhance performance and versatility. Additionally, the patent extends to the application of this powertrain in vehicles, specifying different operational states of the gearbox concerning engine and driving wheel connections. Overall, the patent presents a comprehensive and innovative powertrain design tailored for Mild Hybrid vehicles, emphasizing efficiency, adaptability, and performance across various driving conditions.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

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.