Fuel injection controlling system for a diesel engine
US6612291B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 12, 2001 |
| Grant date | Sep 2, 2003 |
| Priority date | — |
| Expiry date | Jun 19, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M26/57
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fuel injection controller for a diesel engine, having a control unit which conducts computation to determine total fresh intake air amount per a cylinder through computation of a sum of a residue amount of fresh air remaining in the exhaust gas entering the engine cylinder and the computed intake air amount, to obtain an uppermost fuel injection amount based on such total amount, which is defined as a basic limitative smoke generating fuel injection amount, to store the basic limitative amount upon judging whether or not the engine comes into either accelerating or decelerating, to compare the stored basic limitative amount and the basic limitative amount computed during accelerating or decelerating thereby determining a desired limitative amount from judgment of the accelerating or decelerating, and to prevent an objective fuel injection amount to be actually supplied to the engine from exceeding the desired amount.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.