Fuel injection system for internal combustion engines and its method of control
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jun 21, 2001
app pub date -
Dec 11, 2000
filing date -
Dec 13, 1999
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A fuel injection system that can maintain a high accuracy level in adjusting the quantity of fuel injection in a system in which the first injector injects fuel in the liquid phase and the second injector injects fuel in the gaseous phase. The quantity of fuel injection of each injector is adjusted respectively in accordance with the fuel quantity required each time. The temperature of the first injector is estimated based on the temperature of the engine's cooling water and the temperature of the fuel in the fuel passage from the fuel tank to the first injector, and the quantity of vapor generated in the fuel passage is determined according to the estimated temperature and the fuel pressure in the fuel passage. The quantity of fuel injection of each injector is adjusted according to the determined quantity of vapor generated.
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