Patent application number | Description | Published |
20100229819 | CYLINDER HEAD FOR AN INTERNAL COMBUSTION ENGINE - A cylinder head has at least three cylinders each coupled to at least one exhaust port, individual exhaust ducts coupled to each of the exhaust ports, and a combined exhaust duct coupling all individual exhaust ducts. The combined exhaust duct emerges from the cylinder head at a location displaced longitudinally from a center of the cylinder head. | 09-16-2010 |
20110023797 | COOLING SYSTEM - The disclosure relates to an internal combustion engine with a cooling circuit having a water jacket portion in the cylinder block and a water jacket portion in the cylinder head which has an intake portion and an exhaust portion. Flow from the intake and exhaust portions mix in an outlet housing which has a cylinder head outlet thermostat. A coolant pump provides flow to a first branch to the exhaust portion and a second branch to the water jacket portion in the cylinder block. A block thermostat is located in the second branch downstream of the coolant pump and upstream of the water jacket portion in the cylinder block. The intake portion of the water jacket portion in the cylinder head is fluidly coupled to the water jacket portion in the cylinder block. | 02-03-2011 |
20110023799 | COOLING SYSTEM - An internal combustion engine is disclosed that has a cylinder block with multiple cylinders, a bridge between adjacent cylinders, a cooling slot in the bridge, and a water jacket portion in the cylinder block. A cylinder head is coupled to the cylinder block which has a first cooling passage fluidly coupling the cooling slot and the water jacket portion in the cylinder block, a water jacket portion in the cylinder head, and a second cooling passage in the cylinder head fluidly coupling the cooling slot with the water jacket portion in the cylinder head. A cylinder head gasket is arranged between the cylinder head and the cylinder block which has a first orifice in the cylinder head gasket cooperating with the first cooling passage a second orifice in the cylinder head gasket cooperating with the second cooling passage. | 02-03-2011 |
20120085299 | INTERNAL COMBUSTION ENGINE WITH LIQUID COOLING - Example embodiments for reducing thermal load in one or more exhaust gas lines are provided. One embodiment includes an internal combustion engine with liquid cooling, comprising at least one exhaust gas line, at least one coolant jacket, and a common boundary wall separating the at least one exhaust gas line and the at least one coolant jacket, wherein the common boundary wall includes a surface structure provided on sides of the coolant jacket in at least one locally limited region. In this way, the surface structure on the sides of the coolant jacket may increase heat transfer to reduce thermal loading. | 04-12-2012 |
20120240572 | INTERNAL COMBUSTION ENGINE EQUIPPED WITH WASTEGATE TURBINES, AND METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE OF SAID TYPE - Embodiments for a turbocharged engine including two turbochargers are provided. In one example, a turbocharger engine includes two turbochargers arranged in parallel, each coupled to a separate exhaust manifold. Bypass of exhaust around both turbochargers may be provided via a single wastegate. | 09-27-2012 |
20120240573 | SUPERCHARGED INTERNAL COMBUSTION ENGINE, AND METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE OF SAID TYPE - A supercharged internal combustion engine having at least two exhaust-gas turbochargers is provided. The engine includes a first exhaust manifold and a second exhaust manifold which are permanently connected to one another upstream of the two turbines of the turbochargers via at least one connecting duct which cannot be closed off. In this way, overflow of exhaust from the one exhaust manifold may be transferred to the other exhaust manifold. | 09-27-2012 |
20120285164 | TURBOCHARGED ENGINE WITH SEPARATE EXHAUST MANIFOLDS AND METHOD FOR OPERATING SUCH AN ENGINE - Systems and methods for a turbocharged internal combustion engine are provided herein. One example system includes a cylinder head with at least two cylinders, at least two exhaust openings per cylinder, at least one of which is engageable. The system further includes a first exhaust manifold integrated in the cylinder head and connecting the engageable openings with a first turbocharger turbine, and a second, separate exhaust manifold integrated in the cylinder head and connecting the non-engageable openings with a second turbocharger turbine in parallel with the first turbine. | 11-15-2012 |
20130167803 | MULTI-CYLINDER INTERNAL COMBUSTION ENGINE AND METHOD FOR OPERATING SUCH A MULTI-CYLINDER INTERNAL COMBUSTION ENGINE - A linearly aligned four-cylinder internal combustion engine system operated in a 1-3-4-2 sequence, comprising a cylinder head connected with a cylinder block wherein each cylinder has at least one exhaust port to discharge exhaust gasses via an exhaust gas discharge system, for which an exhaust gas pipe is connected at each exhaust port; wherein the exhaust gas pipes of the cylinders that merge in stages into a common exhaust gas pipe and the exhaust gas discharge system emerges outside of the cylinder head. Thus exhaust gas from consecutive ignitions in adjacent cylinders is separated for a distance throughout the engine head to reduce mutual influencing in adjacent cylinders with consecutive ignitions. | 07-04-2013 |
20130199466 | MULTI-CYLINDER INTERNAL COMBUSTION ENGINE AND METHOD FOR OPERATING A MULTI-CYLINDER INTERNAL COMBUSTION ENGINE OF SAID TYPE - A system for an engine comprising: a crankshaft with four crank throws, wherein, the first and the second crank throw are arranged offset by 180° CA from the third and the fourth crank throws; four cylinders corresponding to the four crank throws, the four cylinders arranged in two cylinder groups, the first cylinder group comprising the first and second cylinder, and the second cylinder group comprising the third and fourth cylinder; an exhaust manifold, wherein, exhaust lines within each of the two cylinder groups merge forming two component exhaust lines, and the two component exhaust lines merge into an overall exhaust line; and an ignition sequence such that each ignition is offset by 180° CA, and ignition of cylinders within the two cylinder groups is offset by 360° CA. In this way exhaust lines within the exhaust manifold can remain short and backpressure from sequential, adjacent cylinder ignition is minimized. | 08-08-2013 |
20130333660 | INTERNAL COMBUSTION ENGINE HAVING A DIRECT INJECTION SYSTEM AND HAVING A PORT FUEL INJECTION SYSTEM - A system and methods are provided to deactivate a cam driven fuel pump. The system comprises a direct fuel injection system; a port fuel injection system; a pump for the direct injection system driven by a cam, wherein the pump can be activated and deactivated as a function of the activation of the direct injection system. Deactivating a pump when no fuel is pumped through it minimizes wear on pump components and increases efficiency. | 12-19-2013 |
20140041382 | BOOSTED IN-LINE VARIABLE-DISPLACEMENT ENGINE - An engine includes a first turbine fluidically coupled to a first group of adjacent cylinders, and a second turbine fluidically coupled to a second group of adjacent cylinders. In this engine, the cylinders of the first and second groups are arranged along a line. The engine also includes a variable valve-lift system configured to admit at least air to the first group of cylinders during reduced engine-load conditions, but to stop admitting air to the second group of cylinders during the reduced engine-load conditions. | 02-13-2014 |
20140053806 | FOUR-CYLINDER IN-LINE ENGINE WITH PARTIAL SHUTDOWN AND METHOD FOR OPERATING SUCH A FOUR-CYLINDER IN-LINE ENGINE - An engine method, comprising turning off a second cylinder group in response to engine load falling below a first threshold, the second cylinder group including a first outer most cylinder and its immediately adjacent cylinder and turning on the second cylinder group in response to engine load raising above a second threshold and operating a first cylinder group constantly throughout engine operation; the first cylinder group including a second outer most cylinder and its immediately adjacent cylinder. By this method, engine efficiency may increase during partial load operating conditions from low engine loads. | 02-27-2014 |
20140245993 | FOUR-CYLINDER ENGINE WITH TWO DEACTIVATABLE CYLINDERS - A method for operating an internal combustion engine is provided. The method includes during a first operating condition, operating two primary cylinders and two secondary cylinders to perform combustion, the two primary and secondary cylinders arranged in an inline configuration, the two primary cylinder adjacent to one another, the two secondary cylinders adjacent to one another, and the secondary cylinders positioned 175°-185° out of phase relative to the two primary cylinders and during a second operating condition, selectively deactivating the two secondary cylinders to perform combustion in only the two primary cylinders. | 09-04-2014 |
20140305122 | INTERNAL COMBUSTION ENGINE WITH A CYLINDER HEAD HAVING AN INTEGRATED DRAINAGE CHANNEL AND METHOD FOR PRODUCING THE INTERNAL COMBUSTION - An internal combustion engine is provided. The engine includes a cylinder head having a cylinder having an exhaust valve opening and an intake valve opening, an intake port in fluidic communication with the intake valve opening and configured to flow intake air to the cylinder through the intake valve opening, and a condensate drainage channel extending into a wall of the intake port and including an inlet positioned downstream of an outlet, the inlet positioned vertically above the outlet. | 10-16-2014 |
20150027391 | INTERNAL COMBUSTION ENGINE WITH LIQUID COOLING - Example embodiments for reducing thermal load in one or more exhaust gas lines are provided. One embodiment includes an internal combustion engine with liquid cooling, comprising at least one exhaust gas line, at least one coolant jacket, and a common boundary wall separating the at least one exhaust gas line and the at least one coolant jacket, wherein the common boundary wall includes a surface structure provided on sides of the coolant jacket in at least one locally limited region. In this way, the surface structure on the sides of the coolant jacket may increase heat transfer to reduce thermal loading. | 01-29-2015 |