Electronic engine control module incorporating glow plug and glow plug lamp control
US5241929A · kind A · utility
14Cited by
7References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 19, 1992 |
| Grant date | Sep 7, 1993 |
| Priority date | — |
| Expiry date | Aug 19, 2012 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02B3/06
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The engine control module incorporates strategy which controls and modulates glow plug activation and also controls activation of a glow plug indicator lamp mounted in the cab of the vehicle. The control functions are separate in action but both are based on first sensing input power. If power is out of a predefined range strategy is provided for maintaining the glow plugs off. Both are secondly based on sensed engine coolant temperature, with out of range coolant temperatures causing activation of the glow plugs so long as input power is within range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.