Stellantis has been granted a patent for a control system designed for turbocharged engines. This system includes a throttle valve, a cold light off catalyst (CLOC), and a controller that optimizes exhaust flow and airflow into the engine, enhancing performance during specific operational modes. GlobalData’s report on Stellantis 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 Stellantis, Battery management systems was a key innovation area identified from patents. Stellantis's grant share as of June 2024 was 67%. Grant share is based on the ratio of number of grants to total number of patents.
Control system for turbocharged engine with exhaust routing
The patent US12044163B1 describes a control system for an engine equipped with a turbocharger, focusing on optimizing airflow and exhaust management. Central to this system is a throttle valve that regulates air intake, alongside a cold light off catalyst (CLOC) situated in a bypass passage around the turbocharger's turbine. The system includes a CLOC valve that selectively directs exhaust flow between the turbine and the CLOC. A controller is responsible for managing the CLOC valve's position to route exhaust to the CLOC, determining the pressure drop within the turbocharger during this operation, and commanding an actuator to enhance airflow into the engine based on the pressure conditions detected.
The claims further detail the operational mechanics of the control system. For instance, the CLOC valve can be commanded to direct all exhaust flow to the CLOC, and adjustments to the actuator may involve opening the throttle valve or modifying the intake and exhaust valves to facilitate increased airflow. The system also incorporates pressure sensors to monitor the turbocharger's pressure drop, which can indicate vacuum conditions, and allows for modeling of pressure changes based on various operating conditions. This innovative approach aims to improve engine performance by effectively managing exhaust flow and optimizing air intake during different operational modes.
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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.
