System and method of compensating for injector variability
US5839420A · kind A · utility
34Cited by
10References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 4, 1997 |
| Grant date | Nov 24, 1998 |
| Priority date | — |
| Expiry date | Jun 4, 2017 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02D41/2435
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Electronically controlled fuel injectors are capable of complex injection control methods, such as split injection. A calibration code assigned to each injector is used by a logic controller to determine calibrated energizing times based on raw energizing times determined by the engine control unit. Each injector may be individually calibrated to compensate for injector variability, and facilitate balanced power output from each cylinder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.