Patent application number | Description | Published |
20110303295 | Thermostat with Blocking Device - The disclosure relates to a control valve for a medium circuit of an internal combustion engine, in particular to a thermostat of a coolant circuit of the internal combustion engine. The control valve includes a valve housing, an expansible material element arranged in a valve body, an energy accumulator having an abutment element, a valve seat, and at least one locking element arranged on the abutment element, each locking element having a counter-latching face. The control valve has a first position wherein the counter-latching face of each locking element is in a non-positive connection with a corresponding latching face of the valve housing in order to force the control valve into a mechanically blocked, forced-open position, the latching face being formed by means of an opening edge in the valve housing. This position may enable a quick and reliable initial filling or refilling of the coolant circuit. | 12-15-2011 |
20120055444 | MULTI-CYLINDER INTERNAL COMBUSTION ENGINE AND METHOD FOR OPERATING A MULTI-CYLINDER INTERNAL COMBUSTION ENGINE - A method for partial cylinder cutoff is provided. The method comprises operating a multi-cylinder internal combustion engine with applied ignition, in which an odd number n of cylinders is arranged in line, and during partial-load operation when engine load is below threshold, enabling a partial cutoff of the cylinders, the partial cutoff comprising operating each cylinder only intermittently such that each cylinder is fired and cut off in turn at an interval of (2*720° CA)/n. | 03-08-2012 |
20120175978 | AIR-COOLED ELECTRICAL MACHINE - The disclosure relates to an air-cooled electromechanical system having a rotor, a driver element, and a fan impeller, the rotor comprising a rotor shaft and field winding. Said disclosure proposes that the fan impeller is rotatably mounted on the rotor shaft and can be connected to and/or disconnected from the rotor and/or the rotor shaft by an automatic clutch. | 07-12-2012 |
20120285413 | METHOD FOR HEATING THE ENGINE OIL OF AN INTERNAL COMBUSTION ENGINE AND INTERNAL COMBUSTION ENGINE FOR PERFORMING SUCH A METHOD - A method for operation of a lubrication circuit in an internal combustion engine is provided herein. The method comprises during a first operating condition, operating an oil agitation device to increase the turbulence of oil in the lubrication circuit, the oil agitation device positioned downstream of an oil pump in a supply line in fluidic communication with a lubricant receiving component. | 11-15-2012 |
20120316760 | METHOD FOR OPERATING AN APPLIED-IGNITION INTERNAL COMBUSTION ENGINE WITH DIRECT INJECTION - Embodiments for operating an engine with direct injection are provided. In one example, a method for operating an applied-ignition internal combustion engine having at least one cylinder and direct injection comprises raising a component temperature of an injection device of the at least one cylinder at least locally in a region of a catalytic coating in order to initiate and assist oxidation of coking residues. Thus, deposits of coking residues may be counteracted even in part-load operation. | 12-13-2012 |
20130233275 | APPLIED-IGNITION INTERNAL COMBUSTION ENGINE WITH CATALYTICALLY COATED INJECTION DEVICE, AND METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE OF SAID TYPE - Systems and methods are provided for reducing coking residues on an injection device of an applied-ignition, direct injection engine. An example system comprises an injection device; an electric heating device integrated with the injection device; a catalytic coating on a surface of the injection device; and a controller suitable to initiate a cleaning mode of the injection device wherein the electric heating device raises the temperature of the injection device. Heating the injection device allows coking residues on the injection device to oxidize in the presence of the catalytic coating. | 09-12-2013 |
20130269340 | TURBOCHARGER FOR AN INTERNAL COMBUSTION ENGINE AND METHOD FOR OPERATING A TURBOCHARGED INTERNAL COMBUSTION ENGINE - A turbocharger for an internal combustion engine includes an oil-lubricated bearing, a feed line for the oil and a throughflow limiter for the oil. | 10-17-2013 |
20130280032 | TURBOCHARGER ARRANGEMENT FOR AN INTERNAL COMBUSTION ENGINE - A turbocharger arrangement in an internal combustion engine is provided. The turbocharger arrangement includes a turbocharger housing surrounding a sealed inner space and a shaft extending through the turbocharger housing. The turbocharger arrangement further includes a turbine wheel arranged on the shaft and driving a compressor unit, a bearing arrangement mounting the shaft in the turbocharger housing, an oil supply device lubricating the bearing arrangement, and a pressure changing unit in fluidic communication with the sealed inner space configured to adjust the pressure in the sealed inner space based on engine operating conditions. | 10-24-2013 |
20140017091 | DISENGAGEABLE COOLANT PUMP FOR ENGINE - A coolant pump includes a drive wheel, a driven wheel, and a coupling-control pump. The driven wheel is connected to a coolant impeller and coupled by a variable degree to the drive wheel, the degree of coupling responsive to an amount of fluid confined between the drive wheel and the driven wheel. The coupling-control pump is configured to change the amount of fluid confined between the drive wheel and the driven wheel based on a variable control signal. | 01-16-2014 |
20140039780 | INTERNAL COMBUSTION ENGINE WITH DIRECT INJECTION AND REDUCED PARTICULATE EMISSIONS - Methods are provided for an engine including modifying fuel injection timing based on engine operating conditions. A delay time period calculation may be based on a comparison of a first engine load with a second engine load. Further, a modified injection start time, based on a delay time period, may include injecting fuel during the compression cycle of an engine. | 02-06-2014 |
20140048035 | INJECTION VALVE - An injection valve for injecting fuel into a combustion chamber of an internal combustion engine comprises a valve seat, a valve element, at least one injection opening formed in the valve seat and leading to the combustion chamber, the at least one injection opening opened or closed by a stroke motion of the valve element, a catalytic coating provided in a region of the injection valve which faces the combustion chamber, and at least one protuberance which is elongated in a direction of the combustion chamber and projects into the combustion chamber. | 02-20-2014 |
20140048039 | METHOD FOR CONTROLLING AN IGNITION SYSTEM OF AN INTERNAL COMBUSTION ENGINE AND AN IGNITION SYSTEM - A method for controlling an ignition system of an internal combustion engine, with which a device for the detection of misfires is provided, comprises operation of the internal combustion engine in a calibration mode, wherein the calibration mode includes stepwise reduction of the ignition energy by changing the ignition parameter starting from an initial value, detecting the reaching of a combustion failure limit based on the signal of the detection device and again reducing the ignition energy if the combustion failure limit has not yet been reached, and storing the ignition parameter at the point in time of reaching the combustion failure limit. When not in the calibration mode, operation of the ignition system takes place according to the stored ignition parameter. With such feedback control, electrode burn of the spark plugs is reduced, leading to an extension of the service life of the spark plugs. | 02-20-2014 |
20140083398 | SYSTEM AND METHOD FOR DISCHARGING LIQUID OUT OF AN INTAKE TRACT OF A TURBOCHARGER ARRANGEMENT - The invention relates to a method for discharging liquid from an intake tract of a turbocharger arrangement including a charge air cooler. As such, a charge air cooler may include a liquid collector including a switchable valve downstream of a charge air cooler. The switchable valve may be adjusted following the determination of an opening frequency and an opening duration based on a liquid collector temperature and a liquid collector pressure. | 03-27-2014 |
20140309906 | PRESSURE DETERMINING METHOD AND MOTOR VEHICLE - A pressure determining method is provided for a fuel distribution rail of an injection system of a motor vehicle comprising maximizing the fuel rail pressure to minimize particulate emissions of the engine. The method determines a setpoint pressure based on a calculation pressure being determined from a sum of a combustion chamber pressure and a square of a ratio of a fuel mass component and a pulse width, wherein the calculation pressure is output, at least temporarily, as the setpoint pressure. | 10-16-2014 |