Harley-Davidson has been granted a patent for a charger with a unique design including multiple switching transistors, a transformer with primary, secondary, and auxiliary windings, and a controller to generate signals for battery and auxiliary system interfaces. The charger aims to improve efficiency and performance. GlobalData’s report on Harley-Davidson 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 Harley-Davidson, Direct injection type engines was a key innovation area identified from patents. Harley-Davidson's grant share as of April 2024 was 74%. Grant share is based on the ratio of number of grants to total number of patents.
Charger with converter, transformer, and controller for battery charging
A recently granted patent (Publication Number: US11929632B2) discloses a novel charger design comprising a charging interface, a converter with multiple switching transistors, a transformer with primary, secondary, and auxiliary windings, and a controller to regulate signals at the battery and auxiliary system interfaces. The converter also includes rectifiers, bus capacitors, and resonant tanks to efficiently transfer power. The controller adjusts the duty cycle and frequency of the switching transistors to control the current, voltage, and power at the battery interface based on predefined thresholds, ensuring optimal charging performance.
Moreover, the patent extends the application of this charger design to a vehicle system, where the charger is integrated with a battery, inverter, and motor. The controller manages power conversion from the battery to the auxiliary system interface when the power source is disconnected from the charging interface, and vice versa when the power source is connected. This innovative approach allows for seamless power transfer and utilization within the vehicle system, enhancing overall efficiency and performance. Additionally, the method outlined in the patent details the precise control mechanisms implemented by the controller to ensure effective power conversion and utilization in various operational scenarios, further highlighting the versatility and adaptability of this charger design for different applications.
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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.
