Ford Motor. has patented a system for reducing internal combustion engine emissions. The system includes an electric heater, a selective reduction catalyst, and a urea injector, strategically positioned to minimize NOx emissions generated by the engine’s combustor. GlobalData’s report on Ford Motor 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 Ford Motor, Hydrogen fuel cells was a key innovation area identified from patents. Ford Motor's grant share as of July 2024 was 61%. Grant share is based on the ratio of number of grants to total number of patents.
Emission reduction system for internal combustion engines
The patent US12071886B1 describes an advanced exhaust system designed for internal combustion engines, focusing on enhancing emissions control and efficiency. The system features a combustor air pump that supplies air to a combustor, which is strategically placed along a first passage. A three-way valve is positioned downstream of the combustor, leading to an electric heater and an oxidation or three-way catalyst in a second passage. This passage also includes a urea injector and a selective reduction catalyst (SCR), which work together to reduce harmful emissions. Additionally, a third passage runs parallel to the second, connecting to a fourth passage that directs exhaust to after-treatment devices.
Further claims detail the integration of sensors and a controller to optimize the system's performance. A NOx sensor is included downstream of the oxidation catalyst, with provisions for a second oxidation catalyst, diesel particulate filter, and SCR in the engine exhaust passage. The controller is programmed with instructions to manage the operation of the electric heater, combustor air pump, and three-way valve, particularly when the engine is not in operation. It can also adjust the system based on temperature readings and NOx sensor outputs, ensuring efficient urea injection into the SCR. This comprehensive design aims to improve the overall effectiveness of emissions reduction in internal combustion engines.
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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.
