Rolls-Royce had five patents in batteries during Q1 2024. Rolls-Royce Holdings Plc has developed a thermal management system for aircraft energy storage systems. The system includes a pump that circulates a thermal management fluid and a controller that adjusts the pump’s capacity based on various factors such as pressure, temperature, and power demand. This system ensures efficient operation and prevents failures in the energy storage system. GlobalData’s report on Rolls-Royce gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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Rolls-Royce grant share with batteries as a theme is 60% in Q1 2024. Grant share is based on the ratio of number of grants to total number of patents.

Recent Patents

Application: Aircraft thermal management system for an energy storage system (Patent ID: US20240069527A1)

The patent filed by Rolls-Royce Holdings Plc describes a thermal management system for an energy storage system in an aircraft. The system includes a pump that circulates a thermal management fluid through the system and the energy storage device, with a controller circuitry controlling the pump's variable pumping capacity based on pressure or temperature readings. The controller can adjust the pump to a first pumping capacity within a predetermined range in response to certain conditions, such as a failure or high power demand, and to a second pumping capacity when the power demand signal is absent and the pressure or temperature are within the operating range.

Additionally, the patent outlines various claims related to the system, including controlling the pump's speed with a pulse width modulated control signal, using a constant voltage override signal to maintain the first pumping capacity in case of signal loss, and selectively supplying power to the pump through a DC:DC converter. The method described in the patent involves dynamically controlling the pump's speed, defaulting to the first pumping capacity under specific conditions, and managing the temperature of the energy storage device, which is typically a battery. Overall, the patent focuses on efficiently managing the thermal aspects of an energy storage system in an aircraft to ensure optimal performance and safety.

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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.