About 52 results
https://drivepatents.com/patents/994433 · 2 Jan 2013
An internal combustion engine employs an odd number of cylinders. A crankangle sensor of 360° crankangle (CA) provides a POS signal including a pulse train having pulses generated at each 10° CA. This POS signal includes a specific portion 28' generated ...
https://drivepatents.com/patents/996522 · 31 Oct 2012
Provided is an abnormality determination device for a rotation sensor for detecting the rotation of a crankshaft. The rotation sensor comprises a sub sensor and a main sensor each of which outputs a pulsed signal every time the rotation body rotates by a p...
https://drivepatents.com/patents/998910 · 29 Aug 2012
The method involves providing a speed model, which provides each a model speed for multiple predetermined rotational angles of a working cycle of the internal combustion engine (1). The corresponding speed for multiple predetermined rotational angles of th...
https://drivepatents.com/patents/1001980 · 30 May 2012
[Problem] To securely perform determinations of strokes of an engine. [Solving Means] A control apparatus for an engine measures a maximum pressure P2 and a minimum pressure P1 in an intake pipe during one revolution of a crankshaft and calculates a differ...
https://drivepatents.com/patents/1002377 · 16 May 2012
An object is to provide a technology that enables starting of fuel injection under a condition that allows injected fuel to ignite and burn at the time of start-up of an internal combustion engine. To achieve the object, a start-up control system for an in...
https://drivepatents.com/patents/1007479 · 30 Nov 2011
An engine control system, controller, and method for estimating a bounce back angle of an internal combustion engine. Typical crank sensors do not indicate crank direction, a feature that would be useful to determine if an engine reversal occurs leading to...
https://drivepatents.com/patents/1067248 · 24 May 2006
An engine combustion device control system is disclosed, wherein, as a flywheel 10 rotates, a detection sensor 70 detects indexes 20a formed on an inner surface of the flywheel 10 to accurately measure the number of engine revolutions and a piston position...
https://drivepatents.com/patents/1070995 · 11 Jan 2006
An optical fiber communication system is provided which uses remote pumping that is capable of improving pumping efficiency and reducing a noise figure. A coupler (20) of a linear repeater (18) couples signal light to pumping light outputted from a pumping...
https://drivepatents.com/patents/1071352 · 28 Dec 2005
The present invention relates to an engine, in particular four-stroke engine, having at least two cylinders, which ignition timings differ from each other, and a stroke discriminating device for discriminating strokes of said at least two cylinders based u...
https://drivepatents.com/patents/1073214 · 19 Oct 2005
The method involves controlling an electric motor (4), coupled to a crank shaft (2) of an internal combustion engine, using a control unit to position the shaft in a starting position when rotation speed of the shaft is less than a preset speed. The unit i...