About 14 results
https://drivepatents.com/patents/947557 · 16 Dec 2015
An engine control system (10) includes first (14) and second (16) control modules. The first control module (14) determines a fuel combustion parameter. The second control module (16) determines a fuel delivery parameter based on the fuel combustion parame...
https://drivepatents.com/patents/955741 · 11 Nov 2015
In an internal combustion engine, a method of controlling the pressure of a fuel accumulator volume which supplies fuel under pressure to one or more fuel injectors, comprising: i) determining or measuring the actual pressure at the inlet manifold; and, ii...
https://drivepatents.com/patents/957047 · 14 Oct 2015
A fuel temperature estimation device that can improve the estimation accuracy of a fuel temperature in each part of a fuel channel, is provided. In the invention, the fuel temperature estimation device estimates the fuel temperature of each part of the fue...
https://drivepatents.com/patents/996209 · 7 Nov 2012
The method involves carrying out fuel withdrawal from a pressure storage device (13) in a measuring interval and avoiding fuel withdrawal from the pressure storage device in another measuring interval. An operating variable of a pressure regulation device ...
https://drivepatents.com/patents/1008652 · 19 Oct 2011
A fuel injection device of a common rail type fuel injection system for an engine comprises a fuel passage pressure sensor disposed in a fuel passage between a point of a pipe connected to a fuel discharge port of a common rail apart from the common rail b...
https://drivepatents.com/patents/1011622 · 22 Jun 2011
To secure an appropriate fuel injection even when an environmental temperature is in a low temperature region, with a simple configuration, thus enabling a realization of a high stability and reliability fuel injection. With a common rail fuel injection co...
https://drivepatents.com/patents/1070786 · 18 Jan 2006
Fuel in a fuel tank 4 is supplied to a supply pump 6 as a high pressure pump through first and second flow control valves 8a and 8b, high pressure fuel is supplied under pressure to a common rail 2 by the supply pump 6, and the high pressure fuel accumulat...
https://drivepatents.com/patents/1082433 · 17 Nov 2004
A fuel injection control system of an internal combustion engine which calculates the correction value for the fuel injection quantity of the second pilot injection, so as to cancel out the influence of pressure fluctuation in a fuel injection valve genera...
https://drivepatents.com/patents/1082505 · 10 Nov 2004
The device has a fuel pressure evaluation unit (8) for evaluating pressure of fuel (2) in a high pressure circuit (3). The evaluation unit is connected to an injector controlling unit (7) that activates fuel injection when the evaluated fuel pressure attai...
https://drivepatents.com/patents/1086321 · 16 Jun 2004
The common rail fuel injection control device in accordance with the present invention computes a base duty (A) equivalent to a base target opening degree of a metering valve and a correction coefficient (B) based on the engine operation state, adds the va...