Mazda Motor had 60 patents in future of work during Q4 2023. Mazda Motor Corp filed patents for a control system for engine valve phase variable devices based on engine temperature, a driving force control device for vehicle torque distribution between motor and engine based on intake air estimation, and a gear-shifting control apparatus for regenerative braking during vehicle deceleration. GlobalData’s report on Mazda Motor gives a 360-degreee view of the company including its patenting strategy. Buy the report here.
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Mazda Motor grant share with future of work as a theme is 70% in Q4 2023. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: Engine control system (Patent ID: US20230383702A1)
The patent filed by Mazda Motor Corp describes a control system for an engine that includes intake and exhaust valve phase variable devices along with a control device. The system operates differently based on the engine temperature, with specific conditions dictating the timing of the intake and exhaust valves, as well as fuel supply to the combustion chamber. When the engine temperature is below a certain threshold, the system ensures that the exhaust valve close timing is at or retarded from the exhaust top dead center, while the intake valve open timing is also retarded from the exhaust valve close timing. Fuel supply to the combustion chamber starts in an intake stroke on the retarding side of the exhaust valve close timing. On the other hand, when the engine temperature is within a specific range, the system controls the intake and exhaust valve phase variable devices to create either a negative overlap with both valves closed or a positive overlap with both valves opened during a period including the exhaust top dead center.
Furthermore, the patent outlines additional features of the control system, such as the ability to generate more power when the engine temperature is below the first determination temperature compared to when it is within a specific range. The system also includes provisions for controlling the ignition timing of the spark plug based on the engine temperature conditions. Overall, the control system is designed to optimize engine performance and efficiency by adjusting valve timings and fuel supply based on the engine temperature, ensuring optimal combustion and power generation.
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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.
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.
