Patent application number | Description | Published |
20090013692 | METHOD AND APPARATUS FOR CONTROLLING A STEAM CYCLE - The invention relates to a steam cycle apparatus, comprising
| 01-15-2009 |
20090313993 | VAPORIZER FOR A WASTE HEAT RECOVERY SYSTEM - The invention relates to a vaporizer for a working medium for operating a vapor circulation process, including a working medium inlet section, a heat exchanger section, and a vapor collection section for the vaporized working medium, which are constructed as a stacking sequence from a plurality of materially bonded plates having through openings, a first channel system for conducting the heat transfer medium and a second channel system for conducting the working medium, which is hydraulically separated from the first channel system, being applied in the heat exchanger section, and the first channel system and the second channel system each being implemented by a partial overlap of the through openings of adjacent plates. | 12-24-2009 |
20100139273 | WORKING FLUID FOR A STEAM CYCLE PROCESS AND METHOD FOR THE OPERATION THEREOF - The invention relates to a working fluid for a steam circuit process carried out in a device comprising a steam generator, an expander, a condenser, and a reservoir for the working fluid, comprising a working medium that evaporates by the addition of heat in a steam generator, performs mechanical work by expanding in the expander during the steam phase, and condenses in the condenser; an ionic fluid serving as an antifreeze component and having a melting point in the reservoir below the freezing point of the working medium, wherein the decomposition temperature of the ionic fluid is above the evaporating temperature of the working medium in the steam generator. | 06-10-2010 |
20130227946 | TUBE BUNDLE HEAT EXCHANGER AND WASTE GAS HEAT RECOVERY DEVICE - The invention relates to a tube bundle heat exchanger having a plurality of tube windings ( | 09-05-2013 |
20130277968 | Stationary Power Plant, in Particular a Gas Power Plant, for Generating Electricity - The invention concerns a stationary power plant, in particular a gas power plant, to generate electricity;
| 10-24-2013 |
20140190154 | Steam Power Plant and Method for Operating It - The invention relates to a method for operating a steam power plant, comprising a steam engine which is operated with a vaporous working medium, an evaporator for evaporating the working medium; a condenser for liquefying the working medium and a reservoir for the working medium. The invention is characterized in that a lubricant sump in a housing of the steam engine is heated to a temperature above the evaporating temperature of the working medium by means of a heating device during the starting phase of the steam engine. | 07-10-2014 |
Patent application number | Description | Published |
20080254940 | Control Strategy for Multi-Mode Vehicle Propulsion System - A method for controlling a propulsion system for a vehicle including a transmission coupling an output shaft of the internal combustion engine to a drive wheel of the vehicle, wherein said transmission includes a lash region, the method comprising of adjusting an operating parameter of the engine so that at least one cylinder of the engine is transitioned between a first combustion mode and a second combustion mode, and varying a timing of said transition responsive to whether the transmission is operating within the lash region of the transmission. | 10-16-2008 |
20110165993 | Control Strategy for Multi-Mode Vehicle Propulsion System - A method for controlling a vehicle operation in the transmission lash region. One method includes transitioning a combustion mode of a cylinder, and varying a timing of said transition responsive to whether the transmission is operating within the lash region of the transmission. | 07-07-2011 |
20120190498 | Control Strategy for Multi-Mode Vehicle Propulsion System - A method for controlling a propulsion system for a vehicle including a transmission coupling an output shaft of the internal combustion engine to a drive wheel of the vehicle, wherein said transmission includes a lash region, the method comprising of adjusting an operating parameter of the engine so that at least one cylinder of the engine is transitioned between a first combustion mode and a second combustion mode, and varying a timing of said transition responsive to whether the transmission is operating within the lash region of the transmission. | 07-26-2012 |
20120234004 | METHOD AND DEVICE FOR CONTROLLING A STARTING PROCESS OF A MOTOR VEHICLE - Methods and systems for controlling an engine that may be automatically stopped and started are presented. In one example, a compressor is activated from a deactivated state in response to one or more environmental parameters during an engine start. The methods and systems may improve engine response after an engine start. | 09-20-2012 |
20120291728 | INTERNAL COMBUSTION ENGINE HAVING AN OIL CIRCUIT AND METHOD FOR OPERATING SUCH AN INTERNAL COMBUSTION ENGINE - A method for operating an engine is provided. The method comprises adjusting an oil pressure in an oil circuit, the oil circuit including a pump in fluidic communication with a hydraulically adjustable cam follower and switching the hydraulically adjustable cam follower into a connected state to a disconnected in response to the oil pressure adjustment. | 11-22-2012 |
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 |
20130179049 | METHOD AND DEVICE FOR OPERATING A LUBRICATING SYSTEM OF A COMBUSTION ENGINE - The application relates to a method for operating a lubricating system of a combustion engine in a motor vehicle, the engine having a variably controllable oil pump and a plurality of piston cooling jets. The oil pressure may be adjusted based on operating conditions to activate and de-activate the piston cooling jets when needed. | 07-11-2013 |
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 |
20130332052 | METHOD AND DEVICE FOR OPERATING AN INTERNAL COMBUSTION ENGINE - The disclosure relates to a method for operating an internal combustion engine having a plurality of cylinders, the method comprising, during one working cycle, distributing fuel for each cylinder of the plurality of cylinders among a plurality of injection processes according to settable split factors which respectively define a setpoint fuel mass and/or injection duration and time setting of each respective injection process for the plurality of individual injection processes, wherein random variation is carried out for at least one injection process. | 12-12-2013 |
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 |
20140048045 | INJECTION TIMING - Various systems and methods for determining a start of fuel injection including a gaseous fuel in an internal combustion engine are provided. In one embodiment, an end of gas injection, a duration of gas injection, and a start of gas injection in an induction pipe of a cylinder of an internal combustion engine is determined based on one or more operating parameters. An earliest possible start of gas injection is further determined, and if the start of gas injection is before the earliest possible start of gas injection, at least one of the one or more operating parameters is modified such that the start of gas injection does not occur before the earliest possible start of gas injection. | 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 |
20140209076 | IGNITION PLUG AND METHOD FOR THE IGNITION OF A FUEL-AIR MIXTURE BY MEANS OF AN IGNITION PLUG OF SAID TYPE - An adjustable ignition plug, with one or more variable electrodes, and a method to adjust the electrode gap spacing based on various engine operating parameters. This better enables the reliable ignition of the air-fuel mixture in a cylinder of a direct-injection internal combustion engine under various engine operating conditions. | 07-31-2014 |
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 |
20150081195 | METHOD FOR CONTROLLING FUEL INJECTION AND FUEL INJECTION SYSTEM - A system and method for controlling fuel injection and a fuel injection system, wherein the fuel injection system comprises a fuel pump and a plurality of injection valves, each connected to a cylinder of an internal combustion engine, wherein the fuel pump and/or the injection valves produce pressure waves that cause fuel pressure fluctuations, and wherein depending on a respective current demanded fuel quantity in the internal combustion engine the fuel injection quantity is reduced or increased by using at least one actuator to produce additional pressure waves in the fuel injection system that modify the fuel pressure fluctuations with at least temporary boosting of said fuel pressure fluctuations. | 03-19-2015 |