BAE Systems has developed a system for efficiently starting an engine in a hybrid electric vehicle. The system includes processors that determine when to start the engine, control energy supply, and adjust timing based on temperature and pressure information. This innovation aims to improve the overall performance of hybrid vehicles. GlobalData’s report on BAE Systems 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 BAE Systems, AR/VR head-up displays was a key innovation area identified from patents. BAE Systems's grant share as of April 2024 was 51%. Grant share is based on the ratio of number of grants to total number of patents.
Efficiently starting an engine of a hybrid electric vehicle
The granted patent (Publication Number: US11970988B2) discloses a system for a hybrid electric vehicle that includes a generator/motor mechanically coupled to the internal combustion engine's crankshaft, a rechargeable energy storage device, and a second processor responsible for determining when to start the internal combustion engine. The second processor transmits instructions to a first processor to control fuel supply to the engine based on temperature measurements and pressure information for various fluids. The system also includes a memory device to store relationships between temperatures and periods of time, allowing for efficient engine start-up based on environmental conditions.
Furthermore, the patent details the system's ability to adjust fueling based on coolant temperature, oil temperature, and other fluid temperatures. The second processor considers factors like state of charge of the energy storage device, GPS signal, user torque request, and user-actuated switches to determine engine start. Additionally, the system prepares engine emission control systems, enables pressurization and lubrication before fueling, and controls fueling in a specific order and timing. The patent also highlights the use of glow plugs or intake heaters and the importance of hold speed determination based on temperature and pressure measurements. Overall, the system aims to optimize engine start-up in a hybrid electric vehicle by considering a wide range of environmental and operational factors.
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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.
