18493318. CONTROLLER FOR HYDROGEN ENGINE simplified abstract (TOYOTA JIDOSHA KABUSHIKI KAISHA)

CONTROLLER FOR HYDROGEN ENGINE

Organization Name

TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor(s)

Akira Yamashita of Shizuoka-ken (JP)

CONTROLLER FOR HYDROGEN ENGINE - A simplified explanation of the abstract

This abstract first appeared for US patent application 18493318 titled 'CONTROLLER FOR HYDROGEN ENGINE

Simplified Explanation

The ECM calculates a peak value of an in-cylinder pressure before ignition based on the operating state of the hydrogen engine. When the peak value of the in-cylinder pressure before ignition exceeds a threshold value, the ECM performs an advancement correction of the ignition timing such that the peak value becomes less than or equal to the threshold value.

• Explanation:

   - ECM: Engine Control Module
   - In-cylinder pressure: Pressure inside the combustion chamber of the engine before ignition
   - Ignition timing: The timing at which the spark plug ignites the air-fuel mixture in the engine
   - Advancement correction: Adjusting the ignition timing to optimize engine performance

• Potential Applications:

   - Automotive industry for hydrogen-powered vehicles
   - Engine performance optimization in hydrogen engines

• Problems Solved:

   - Preventing engine knock or detonation
   - Improving fuel efficiency and power output

• Benefits:

   - Enhanced engine efficiency
   - Reduced emissions
   - Increased engine longevity

• Potential Commercial Applications:

   - Automotive manufacturers
   - Engine tuning and performance companies

• Possible Prior Art:

   - Previous patents related to ignition timing control in internal combustion engines
   - Research on hydrogen engine optimization techniques

Questions:

1. How does the ECM determine the operating state of the hydrogen engine?

  - The ECM uses various sensors to monitor parameters such as engine speed, load, temperature, and fuel mixture to determine the operating state of the hydrogen engine.

2. What are the potential risks associated with incorrect ignition timing adjustments by the ECM?

  - Incorrect ignition timing adjustments can lead to decreased engine performance, increased emissions, and potential damage to engine components such as pistons and valves.

Original Abstract Submitted

The ECM calculates a peak value of an in-cylinder pressure before ignition based on the operating state of the hydrogen engine. When the peak value of the in-cylinder pressure before ignition exceeds a threshold value, the ECM performs an advancement correction of the ignition timing such that the peak value becomes less than or equal to the threshold value.