Delta Electronics (Thailand) has patented a wireless power transfer system for electric vehicles, ensuring efficient charging by controlling the power transfer process through a wireless communication link. The technology prevents interference between multiple charging stations and vehicles in the same area, streamlining the charging process. GlobalData’s report on Delta Electronics (Thailand) 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 Delta Electronics (Thailand), HEV energy management was a key innovation area identified from patents. Delta Electronics (Thailand)'s grant share as of February 2024 was 62%. Grant share is based on the ratio of number of grants to total number of patents.
Wireless power transfer arrangement for electric vehicle charging
A recently granted patent (Publication Number: US11878597B2) discloses a wireless power transfer arrangement designed for electric vehicles to facilitate charging their energy storage wirelessly across an airgap through inductive coupling. The system comprises a primary unit, a secondary unit, and a controller to manage the power transfer process. The primary unit includes a wireless transceiver and a primary pad to induce a magnetic field, while the secondary unit consists of a wireless transceiver and a secondary pad to receive the transferred power. The wireless communication link between the units allows for data transmission during the power transfer, enabling a closed control loop for efficient power management based on the energy storage parameters.
Furthermore, the patent details various configurations and adaptations within the wireless power transfer arrangement, such as communication range limitations, antenna arrangements, coil shapes, and frequency specifications for optimal performance. The method outlined in the patent involves inducing a magnetic field with the primary pad, receiving power through the secondary pad, establishing a wireless communication link with controlled data transmission, and implementing a closed control loop for efficient power transfer management based on energy storage parameters. These innovative features aim to enhance the wireless charging experience for electric vehicles, particularly focusing on the traction battery as the primary energy storage component, showcasing advancements in wireless power transfer technology for sustainable transportation solutions.
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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.
