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https://drivepatents.com/patents/1382172 · 7 May 2026
A method and a device for operating an internal combustion engine using hydrogen. The hydrogen is injected directly into the combustion chamber of the internal combustion engine. The hydrogen is injected in an angular range later than 40° of crankshaft an...
https://drivepatents.com/patents/1381756 · 30 Apr 2026
A liquefied petroleum (LP) gas fuel system includes a fuel source to store a liquid LP gas and a fuel supply system to draw the liquid LP gas from the fuel source and selectively deliver a vapor LP gas and the liquid LP gas into a plurality of cylinders of...
https://drivepatents.com/patents/1380455 · 2 Apr 2026
There is provided an engine power generation system control device that reduces emission of a harmful substance contained in an exhaust gas to the outside by performing prompt activation of an exhaust purification catalyst and prompt warmed-up of an engine...
https://drivepatents.com/patents/941998 · 8 Jun 2016
The invention refers to a drive system including an engine having a pressurizable fuel rail in fluid communication with the pressurizable fuel rail and at least one fuel injector for direct injection into at least one combustion chamber of a respective cyl...
https://drivepatents.com/patents/946144 · 9 Mar 2016
A gas engine is provided to control an air-fuel ratio in response to changes in composition of fuel gas. A gas engine 1 includes: an A/F valve 22; a solenoid valve 21; and a control unit 10 to perform perturbation using the solenoid valve 21, under a speci...
https://drivepatents.com/patents/1071908 · 7 Dec 2005
A diesel engine oil dilution managing device is configured to act as an oil dilution detecting device to determine if a premature combustion occurred before fuel injection by an injector (103) based on an engine parameter that correlates with an occurrence...
https://drivepatents.com/patents/1085755 · 14 Jul 2004
Disclosed is an internal combustion engine (1) which is to be mounted on automobiles or the like and in which an improvement has been achieved in terms of startability and combustion stability during warm-up operation. In an internal combustion engine (1) ...
https://drivepatents.com/patents/1087856 · 21 Apr 2004
A method and associated arrangement for achieving an adjusted engine setting utilizing engine output and/or fuel consumption. An engine that consumes fuel is run. Fuel consumption and/or engine operation output is determined. A value is determined utilizin...
https://drivepatents.com/patents/1099014 · 15 Jan 2003
Disclosed is an internal combustion engine which is to be mounted on automobiles or the like and in which an improvement has been achieved in terms of startability and combustion stability during warm-up operation. In an internal combustion engine of the t...