About 12 results
https://drivepatents.com/patents/1378124 · 22 Jan 2026
A multi-fuel injection system and method for controlling a fuel injector to perform fuel injection using a fuel injection window and to perform fuel metering using a fuel metering window that is asymmetric to the fuel injection window are provided. The mul...
https://drivepatents.com/patents/1396314 · 11 Jun 2025
A controller for an internal combustion engine is configured to execute a first injection process that causes a water injection valve to inject water when an intake valve is open and a second injection process that causes the water injection valve to injec...
https://drivepatents.com/patents/1396315 · 11 Jun 2025
A controller for an internal combustion engine is configured to calculate a water collection amount based on a temperature of intake air flowing through an intake passage, the water collection amount being an amount of water that collects on a wall surface...
https://drivepatents.com/patents/955990 · 4 Nov 2015
An object is to provide a method and an apparatus which can be implemented with a simplified and inexpensive configuration without causing a misfire in a combustion state. In a fuel-Cetane-number estimation method of the present invention, a map which spec...
https://drivepatents.com/patents/951121 · 22 Apr 2015
A method for ensuring cold start of an Otto engine operated with ethanol fuel, which has at least one injection valve (10) for metered injection of fuel into the combustion cylinder (12) with a valve member (19) for closing and opening a valve opening (18)...
https://drivepatents.com/patents/952186 · 11 Feb 2015
A method for determining the bulk modulus of a fuel used in a fuel injection system of an internal combustion engine, said fuel injection system including a fuel accumulator volume or common rail for the supply of fuel to one or more fuel injectors, pumpin...
https://drivepatents.com/patents/982249 · 6 Nov 2013
An object of the present invention is to enable accurate detection of abnormality in a fuel property sensor that is used to determine properties of a fuel employed in an internal combustion engine whose operation is controlled in accordance with the proper...
https://drivepatents.com/patents/985870 · 6 Mar 2013
A method for controlling the operation of a large reciprocating piston combustion engine (1) of the diesel type includes injecting fuel into a combustion chamber (3) of the reciprocating piston combustion engine and applying so-called variable injection ti...
https://drivepatents.com/patents/994730 · 26 Dec 2012
The present invention aims at providing an apparatus for detecting abnormality capable of accurately detecting whether or not there is an abnormality in a fuel property detecting apparatus. An apparatus for detecting abnormality for a fuel property detecti...
https://drivepatents.com/patents/1077172 · 8 Jun 2005
The present invention relates to an electronic control unit (2) comprising a first and a second computer (4, 6). The first computer (4) includes a first diagnostic means for diagnosing operation of the first computer by performing a diagnosis, in which a c...