About 12 results
https://drivepatents.com/patents/955777 · 11 Nov 2015
The invention relates to a method for determining a crankshaft position of an internal combustion engine, wherein a rotational speed profile of the crankshaft is recorded over time; wherein the crankshaft position (OT*) is determined by comparing the rotat...
https://drivepatents.com/patents/977652 · 5 Mar 2014
The present invention provides a fuel injection control device of a saddle-ride type vehicle that can rapidly reflect an acceleration request of the user with the number of parts reduced as with the related art although making a stroke determination of the...
https://drivepatents.com/patents/981465 · 27 Nov 2013
A misfire detecting portion executes a misfire detection control that involves evaluating the presence or absence of a misfire in the engine on the basis of the angular speed computed by the angular speed computing portion, and outputting an alert signal f...
https://drivepatents.com/patents/991180 · 1 May 2013
The method involves obtaining mark portions from a sensor signal (151), and determining an exclusion criterion for excluding the mark portions. A determination is made to find whether a difference of total number of stored mark portions and number of exclu...
https://drivepatents.com/patents/996503 · 31 Oct 2012
Disclosed is an abnormality determination device for a rotation sensor for detecting the rotation of a crankshaft. The rotation sensor comprises a first sensor unit and a second sensor unit which output signals phase-shifted from each other, and outputs a ...
https://drivepatents.com/patents/997844 · 26 Sep 2012
A method to reduce engine noise in a multi-cylinder direct injection internal combustion engine 22. The internal combustion engine includes a high pressure fuel pump 24 having both an inlet valve 30 fluidly connected to a fuel source and an outlet valve 36...
https://drivepatents.com/patents/1074073 · 14 Sep 2005
The method involves subtracting an up-to-date generated torsion vibration compensation signal (TKS), which represents torsion vibrations of a crankshaft from the number of revolutions signal. The generation of the torsion vibration compensation signal is g...
https://drivepatents.com/patents/1076842 · 15 Jun 2005
The engine (1) has a control unit (4) and is coupled to an electrical machine (2) acting as starter/generator, with control unit (5) and sensor unit to detect rotor RPM of the machine. The machine is in active connection with the drive shaft of the engine ...
https://drivepatents.com/patents/1083526 · 29 Sep 2004
Method and apparatus for determining the variation of an engine parameter by interpolating a polynomial to a moving window of size w, where w is the number of measurement data being obtained in the window, said measurement data being obtained at a variable...
https://drivepatents.com/patents/1086106 · 23 Jun 2004
A spark ignition internal combustion engine (2) performs ignition within a fixed ignition crank angle range. The operation control device comprises a programmable controller (1) and a unit crank angle sensor (9) outputting a unit crank angle signal on each...