Abstract:
A silicone extension for an ignition coil for internal combustion engines comprising an elongated tubular body (2) extending along its main direction (A) between a first end portion (2a), shaped to be engaged in a container (103) containing electrical/electronic means (102) for the generation of high voltage electrical energy, and a second end portion (2b) shaped to accommodate the insulating body (101b) of an ignition spark plug (101), wherein the tubular body (2) is made of self-lubricating silicone rubber.
Abstract:
An electronic ignition system for an internal combustion engine comprises an ignition coil (2) provided with at least a primary winding (3) and a secondary winding (4), a switch (6) connected to the primary winding (3) and drivable in an open and/or closed position according to the value of a driving signal, a control unit (7) associated to the switch (6) and configured to drive it in open and/or closed position according to the value of the driving signal (G). Such system also comprises current detection means (10) associated with the secondary winding (4), in which the control unit (7) is associated with the detection means (10) for receiving a signal representative of at least a current value (In) in the secondary winding (4), and configured to control the switch (6) according to said signal.
Abstract:
A plasma ignition device for internal combustion engines is described. It comprises a driving and analog and/or digital control unit (20), an ignition coil (30) and a spark plug (40, 41 ), interconnected each other in a circuit by means of electrical / electronic connection means (50, 1 1, 26, 27, 31, 32, 33, 36.1, 36.2, B). The ignition coil (30) comprises two primary windings (34, 35) connected in series each other, having a central electrical connection (34.1 ) between the first primary winding (34) and the second primary winding (35), for electrically charging a capacitor (37), connected in series to the two primary windings (34, 35), and for magnetically charging a magnetic core (38) magnetically coupled to a secondary winding (36) of the ignition coil (30), in order to generate a potential difference i across a discharge "gap" (41 ) of a spark plug (40).
Abstract:
The present invention relates to a device for diagnosing of the ignition device of an internal combustion engine, particularly for diagnosing the triggering of the spark between the electrodes of each sparkplug and the energy dissipated in the secondary circuit of an internal combustion engine controlled by a Control Unit.
Abstract:
The invention relates to the field of methods and devices for reducing the difference of the normalized air-fuel ratio of the various cylinders compared with a predetermined value between 0.7 and 1.1, of the normalized air-fuel ratio in an internal combustion engine. The method and devices utilise the signal of the ionisation current produced by a suitable device, modifying the quantity of fuel on the basis of the signal determined by means of the method in question in the invention.
Abstract:
The present invention falls into the field of identifying the various phases of the ionization current during combustion in a cylinder of an internal combustion engine. The present method comprises the measurement of the ionization current signal and the sampling of said signal within predetermined windows, with the subsequent identification of the sample signal peaks signal based on a numerical derivative analysis.