18623671. CONTROLLER FOR HYDROGEN ENGINE simplified abstract (TOYOTA JIDOSHA KABUSHIKI KAISHA)

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CONTROLLER FOR HYDROGEN ENGINE

Organization Name

TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor(s)

Yoshihiro Okada of Susono-shi (JP)

Makoto Yamazaki of Gotenba-shi (JP)

Toshiki Mikami of Susono-shi (JP)

CONTROLLER FOR HYDROGEN ENGINE - A simplified explanation of the abstract

This abstract first appeared for US patent application 18623671 titled 'CONTROLLER FOR HYDROGEN ENGINE

The abstract describes a controller for a hydrogen engine that utilizes an in-cylinder pressure sensor and an air-fuel ratio sensor to correct rich deviations caused by unburned hydrogen in exhaust gas.

  • The controller includes processing circuitry that calculates a fluctuation amount of combustion pressure based on the in-cylinder pressure sensor output.
  • It also calculates a correction amount based on the fluctuation amount to correct the rich deviation of the air-fuel ratio sensor output.
  • The correction amount helps in adjusting the air-fuel mixture to optimize combustion efficiency in the hydrogen engine.
  • By accurately measuring and correcting the air-fuel ratio, the controller ensures optimal performance and reduced emissions in the hydrogen engine.
  • This innovation enhances the overall efficiency and environmental friendliness of hydrogen-powered vehicles.

Potential Applications: - Automotive industry for hydrogen-powered vehicles - Energy sector for hydrogen fuel cells - Research and development in alternative fuel technologies

Problems Solved: - Correcting rich deviations in air-fuel ratio due to unburned hydrogen - Optimizing combustion efficiency in hydrogen engines - Reducing emissions and improving performance in hydrogen-powered vehicles

Benefits: - Improved fuel efficiency - Reduced emissions - Enhanced engine performance - Environmental sustainability

Commercial Applications: Title: "Hydrogen Engine Controller for Enhanced Efficiency" This technology can be utilized in the automotive industry for hydrogen-powered vehicles, energy companies investing in hydrogen fuel cells, and research institutions focusing on alternative fuel technologies. The market implications include a shift towards cleaner and more sustainable transportation options.

Questions about Hydrogen Engine Controller: 1. How does the controller calculate the correction amount for the air-fuel ratio sensor? The controller calculates the correction amount based on the fluctuation amount of combustion pressure measured by the in-cylinder pressure sensor. 2. What are the potential long-term benefits of implementing this technology in hydrogen engines? Implementing this technology can lead to improved fuel efficiency, reduced emissions, and enhanced performance in hydrogen-powered vehicles over the long term.


Original Abstract Submitted

A controller for a hydrogen engine that includes an in-cylinder pressure sensor and an air-fuel ratio sensor includes processing circuitry. The processing circuitry is configured to execute a process that calculates a fluctuation amount of a combustion pressure based on an output of the in-cylinder pressure sensor and a process that calculates a correction amount based on the fluctuation amount. The correction amount is used to correct a rich deviation of an output of the air-fuel ratio sensor due to unburned hydrogen in exhaust gas.

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