About 14 results
https://drivepatents.com/patents/993385 · 30 Jan 2013
When divisional pilot injection is executed twice with first pilot injection and second pilot injection, a second pilot injection pressure setting value is set in accordance with the function required for the pilot injection, which is a preheating function...
https://drivepatents.com/patents/994859 · 19 Dec 2012
An inlet valve arrangement for a pump head of a fuel pump for use in a common rail fuel injection system comprises an inlet valve member (10) moveable between open and closed positions to control the flow from a source of low-pressure fuel to a pumping cha...
https://drivepatents.com/patents/1016410 · 19 Jan 2011
In a common-rail diesel engine, a fuel pressure setting map is prepared, which allocates a region of equal fuel injection pressure to an equal output region of the engine output determined from engine revolution and engine torque. Thus, it becomes possible...
https://drivepatents.com/patents/1076394 · 29 Jun 2005
In collecting fuel pressure data in a common rail 2 during engine operation, the common rail fuel pressure is detected each time a crank shaft rotates 6 DEG , and the common rail fuel pressure is stored in storage means 12 by associating the common rail fu...
https://drivepatents.com/patents/1076580 · 22 Jun 2005
An injector (3) includes a simple model structure and the time required for the operation of an injection cycle is divided into a first period (Tds1), a second period (Tds2), and a third period (Tds3). The first period (Tds1) is from when an injection puls...
https://drivepatents.com/patents/1078635 · 13 Apr 2005
To obtain a fuel injection method in a fuel injector capable of realizing excellent combustible and exhaustive characteristics, and carrying out fuel injection with an arbitrary fuel injection pattern thus allowing a degree of freedom of a fuel injection p...
https://drivepatents.com/patents/1086393 · 16 Jun 2004
The detected values of a common rail pressure that were detected by a pressure sensor are read within crank angle periods DELTA t which are at least not more than half of a pumping cycle DELTA T of a supply pump, the values detected within one pumping cycl...
https://drivepatents.com/patents/1088407 · 31 Mar 2004
The regulation method has a setting value for regulation of the rail pressure obtained by comparing the actual rail pressure (P) with the required rail pressure (S) and used for adjusting a setting element controlling the feed quantity of a high pressure p...
https://drivepatents.com/patents/1090727 · 2 Jan 2004
In a fuel system of an internal combustion engine, a fuel pressure sensor is disposed on a high pressure fuel pipe connecting common rail and a fuel injection valve. An electronic control unit (ECU) of the engine calculates the magnitude P of the fuel pres...
https://drivepatents.com/patents/1090728 · 2 Jan 2004
A device provided with a fuel injector and a reservoir for temporarily storing the fuel to be fed to the fuel injector. Fuel is injected at least two times in one engine cycle. Pulsation of fuel occurring in the fuel injector due to a prior fuel injection ...