Subaru‘s patented vehicle technology includes a power receiver, charger, heat generator, and battery temperature raising unit. The system optimizes power generation and heat generation efficiency by utilizing different frequency bands for each component. The controller adjusts frequencies based on battery temperature to ensure efficient operation. GlobalData’s report on Subaru 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 Subaru, Battery management systems was a key innovation area identified from patents. Subaru's grant share as of May 2024 was 59%. Grant share is based on the ratio of number of grants to total number of patents.
Frequency-shifting vehicle charging system with heat generation capability
A recently granted patent (Publication Number: US12002937B2) discloses a vehicle equipped with innovative technology for efficient power generation and battery temperature management. The vehicle includes a power receiver that generates electric power using an electromagnetic wave transmitted from a power transmitter, a charger to charge the battery, a heat generator to generate heat, and a controller that adjusts the frequency of the electromagnetic wave based on battery temperature. The system allows for precise control over power generation and heat production, ensuring optimal battery performance.
Moreover, the patent also covers a non-contact power feeding apparatus for vehicles, featuring a power transmitter and a controller that adjusts the frequency of the transmitted electromagnetic wave based on battery temperature information. This technology enables selective charging and temperature control of the battery, enhancing overall efficiency and performance. By switching frequencies and adjusting heat generation, the system ensures the battery operates within optimal temperature ranges, maximizing its lifespan and performance. The apparatus also includes a heat generator that serves as a heat source for raising the battery temperature when needed, further enhancing the vehicle's energy management capabilities.
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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.
