Toyota jidosha kabushiki kaisha (20240200501). CONTROLLER AND CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE simplified abstract

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CONTROLLER AND CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE

Organization Name

toyota jidosha kabushiki kaisha

Inventor(s)

Yuto Ikeda of Okazaki-shi (JP)

Koji Umezawa of Susono-shi (JP)

Makoto Yamazaki of Gotenba-shi (JP)

CONTROLLER AND CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240200501 titled 'CONTROLLER AND CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE

Simplified Explanation: This patent application describes a method for controlling the air-fuel ratio in an internal combustion engine to achieve a target output by adjusting the fuel injection amount and throttle valve opening degree based on the air excess ratio in the cylinder.

Key Features and Innovation:

  • Control system for adjusting fuel injection and throttle valve opening to maintain air excess ratio within desired range.
  • Selection between two operating conditions based on target output and engine situation.
  • Optimization of air-fuel ratio for efficient engine performance.

Potential Applications: This technology can be applied in various internal combustion engines across different industries such as automotive, marine, and power generation.

Problems Solved:

  • Ensures optimal air-fuel ratio for engine performance.
  • Maintains target output while controlling air excess ratio.
  • Enhances fuel efficiency and reduces emissions.

Benefits:

  • Improved engine efficiency and performance.
  • Reduced fuel consumption and emissions.
  • Enhanced overall engine reliability and longevity.

Commercial Applications: Optimized Fuel Injection and Throttle Control System for Internal Combustion Engines

Questions about Internal Combustion Engine Control: 1. How does this technology impact engine efficiency and performance? 2. What are the potential applications of this control system in different industries?

Frequently Updated Research: Stay updated on advancements in internal combustion engine control systems for improved efficiency and performance.


Original Abstract Submitted

a first condition is set to such a condition of a fuel injection amount of a fuel injection valve and an opening degree of a throttle valve that an air excess ratio in a cylinder becomes greater than or equal to a prescribed value set as a value greater than 1.2 while satisfying a target output of an internal combustion engine. a second condition is set to such a condition of the fuel injection amount and the opening degree of the throttle valve that the air excess ratio in the cylinder becomes 1 or less while satisfying the target output of the internal combustion engine. a controller of the internal combustion engine is configured to obtain the first and second operating conditions that correspond to the target output, and select one of the operating conditions in accordance with the operating situation of the internal combustion engine.

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