About 27 results
https://drivepatents.com/patents/950871 · 20 May 2015
The vehicle and the power unit include: an engine; and a control apparatus that controls combustion of the engine, in which a bore diameter of the engine is 45 mm to 60 mm, and the control apparatus includes a knock sensor that detects vibration of the eng...
https://drivepatents.com/patents/960856 · 6 May 2015
Provided is a saddle-riding type vehicle and a power unit of the saddle-riding type vehicle that can efficiently control combustion of an engine while controlling and reducing the occurrence of knocking that is harsh for the rider. The saddle-riding type v...
https://drivepatents.com/patents/951528 · 25 Mar 2015
An engine control device includes a plurality of cylinders, a direct injection valve that directly injects fuel into the cylinders, a port injection valve that injects fuel into an intake port, a ratio determination unit that determines a ratio between a f...
https://drivepatents.com/patents/967221 · 19 Nov 2014
A method for detecting the development of detonation phenomena in an internal combustion engine (1) which includes determining the variance (Ã i ) of each combustion taken into account for a given cylinder (2) and in a given engine point as a function of ...
https://drivepatents.com/patents/973541 · 18 Jun 2014
A knock control system (100) for a combustion engine (10) is disclosed. The knock control system (100) may allow the combustion engine (10) to operate closer to an actual knock limit by providing two knock thresholds (Th1, Th2). The first knock threshold (...
https://drivepatents.com/patents/975451 · 30 Apr 2014
A method for recognising the type of fuel actually used in an internal combustion engine (1); the recognition method includes the steps of: detecting, by means of at least one sensor, the intensity (S) of the vibrations generated by the internal combustion...
https://drivepatents.com/patents/1007385 · 7 Dec 2011
Methods and products for controlling exhaust gas recirculation. A target total EGR fraction is determined for compliance with exhaust emissions criteria, and a target pressure/low pressure EGR ratio is determined to control engine knock. When used in an en...
https://drivepatents.com/patents/1009033 · 5 Oct 2011
Provided is a frequency component analyzing device wherein a frequency component in a detection value of an operation parameter of an internal combustion engine is analyzed in synchronization with the rotation of the engine. An operation parameter is sampl...
https://drivepatents.com/patents/1009032 · 5 Oct 2011
Provided is an ignition timing controller of an internal combustion engine. Charging efficiency of an engine is calculated according to detected intake air flow rate and engine speed, and the knock limit ignition timing is calculated according to the engin...
https://drivepatents.com/patents/1011438 · 29 Jun 2011
A knock determining device of an internal combustion engine and a method for determining knock in an internal combustion engine are disclosed. The device comprises a vibration detecting means for detecting vibration of the internal combustion engine and pr...