About 20 results
https://drivepatents.com/patents/983965 · 2 Oct 2013
An object of the present invention is to provide a technique of improving the life of a spark plug which generates spark discharge and AC plasma. A plasma ignition device 20 includes a power control section 510 which reduces AC power P after generation of ...
https://drivepatents.com/patents/990199 · 29 May 2013
The plug (1) has a fastening section (3) fastening a housing (2) in a cylinder head (11) of an internal combustion engine. A sealing seat (4) is viewingly spaced at a distance from the fastening section in an axial extension of the housing. A pressure sens...
https://drivepatents.com/patents/990863 · 15 May 2013
The plasma generation device 30 is provided with a high frequency generation device 37 that generates a high frequency wave, and a high frequency radiator 15 that radiates the high frequency wave outputted from the high frequency generation device 37 to a ...
https://drivepatents.com/patents/1001460 · 13 Jun 2012
A mixer for mixing pulse voltage energy and electromagnetic wave energy in the same transmission line is provided with a first input terminal to which an electromagnetic wave is inputted, a second input terminal to which pulse voltage is inputted, a mixing...
https://drivepatents.com/patents/1002621 · 9 May 2012
A control method for a spark-ignited internal combustion engine includes generating plasma by interacting an electric field generated in a combustion chamber by electric field generation means with spark discharge caused by a spark plug, and igniting an ai...
https://drivepatents.com/patents/1004731 · 7 Mar 2012
An ignition circuit and a method of operating an igniter (preferably a travelling spark igniter) in an internal combustion engine, including a high pressure engine. A high voltage is applied to electrodes of the igniter, sufficient to cause breakdown to oc...
https://drivepatents.com/patents/1011664 · 22 Jun 2011
The device has a middle electrode (2) guided through an insulating body (3), and a housing (4) with a metallic housing body (5) provided at an end, where the housing body surrounds a section of the insulating body. A series oscillating circuit excites high...
https://drivepatents.com/patents/1078932 · 30 Mar 2005
The laser has a pulsed pumped light source (30) formed by pumping diodes (3). A solid laser crystal is enclosed into a resonator (9), and a quality switch increases power density. A focusing device (7) focuses a Peltier cooling section (12) to a cooling me...
https://drivepatents.com/patents/1078877 · 30 Mar 2005
The device has a switched pumped solid laser with a light source, and a solid laser crystal enclosed in a resonator (9). A quality switch (4) increases power density, and a focusing device (7) focuses a laser beam into a combustion chamber. The source, res...
https://drivepatents.com/patents/1100738 · 30 Oct 2002
The external ignition device includes an optical device in the path of a laser beam (12) from a laser source (11) with a focusing device (15), with at least one switchable mirror (17), preferably electrically operated, so that the laser beam can be selecti...