Aston Martin Lagonda Global has been granted a patent for a pre-combustion chamber assembly for spark ignition engines. The assembly aims to improve knock performance at high speeds and loads while ensuring reliable ignition at low speeds and loads by effectively removing exhaust gas residuals. GlobalData’s report on Aston Martin Lagonda Global 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 Aston Martin Lagonda Global, Radiator grilles was a key innovation area identified from patents. Aston Martin Lagonda Global's grant share as of May 2024 was 50%. Grant share is based on the ratio of number of grants to total number of patents.
Pre-combustion chamber assembly for spark ignition engine
A recently granted patent (Publication Number: US12000329B2) discloses a pre-combustion chamber assembly designed for spark ignition engines. The assembly features an ignition chamber with at least one electrode for a spark generator, connected to the main engine combustion chamber through cylindrical pre-chamber ports. The unique design includes a single entrance channel leading to an ignition region with a larger cross-section, promoting flow tumble with a tumble feature strategically placed in the flaring chamber wall. Additionally, the ignition chamber allows for the removal of exhaust gas residuals to a separate storage chamber via transfer ports, enhancing engine efficiency and performance.
Furthermore, the patent details various configurations and materials used in the assembly, such as copper-beryllium for wall features near the spark generator and steel for distal components. The design also includes specific angles and dimensions for the pre-chamber ports, ensuring optimal combustion efficiency. The storage chamber, shaped as a toroidal ring, is sealed and communicates solely with the ignition chamber. This innovative pre-combustion chamber assembly aims to improve engine performance and reduce emissions, offering a novel approach to spark ignition engine design for enhanced efficiency and environmental sustainability.
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