| MTU FRIEDRICHSHAFEN GMBH Patent applications |
| Patent application number | Title | Published |
|---|
| 20120109499 | METHOD FOR REGULATING A GAS ENGINE - The invention relates to a method for regulating a gas engine ( | 05-03-2012 |
| 20120102928 | ENCAPSULATED EXHAUST GAS AFTERTREATMENT UNIT - An exhaust gas aftertreatment unit ( | 05-03-2012 |
| 20120097134 | METHOD FOR CONTROLLING AND REGULATING THE FUEL PRESSURE IN THE COMMON RAIL OF AN INTERNAL COMBUSTION ENGINE - Proposed is a method for controlling and regulating an internal combustion engine ( | 04-26-2012 |
| 20120097131 | METHOD FOR THE CLOSED-LOOP CONTROL OF THE RAIL PRESSURE IN A COMMON-RAIL INJECTION SYSTEM OF AN INTERNAL COMBUSTION ENGINE - Proposed is a method for open-loop and closed-loop control of an internal combustion engine ( | 04-26-2012 |
| 20120072094 | METHOD FOR THE AUTOMATIC LAMBDA CONTROL OF AN INTERNAL COMBUSTION ENGINE - A method for automatic lambda control of an internal combustion engine, in which, upon detection of a predetermined operating state of the internal combustion engine, a calibration factor (KAL) is determined and in which, during the operation of the internal combustion engine, a lambda measuring signal (iP) is corrected by the calibration factor (KAL) and is set as the actual lambda value (Lam(IST)) for the automatic lambda control of the internal combustion engine. The predetermined operating state is recognized when an engine coastdown is initiated. | 03-22-2012 |
| 20120035791 | METHOD FOR CONTROLLING A RAILWAY VEHICLE - The invention relates to a method for controlling a railway vehicle having a double drive system, wherein each drive system comprises an internal combustion engine and a transmission unit, wherein a target drive torque (M(SL)) is provided as a power requirement by means of a drive lever, wherein an actual drive torque (M(IST)) of the railway vehicle is determined and a drive torque deviation is calculated from the target drive torque (M(SL)) and the actual drive torque (M(IST)). The method further comprises determining a prediction drive type (AAP), and a target drive type (AA(SL)) in the sense of a single or double drive, a target operating point (BP(SL)), and a target transmission stage (US(SL)) are set for the transmission units, based on the drive torque deviation and the prediction drive type (AAP), by means of a traction manager ( | 02-09-2012 |
| 20120007008 | FLAP ASSEMBLY, IN PARTICULAR EXHAUST GAS FLAP ASSEMBLY - For a flap assembly, in particular an exhaust gas flap assembly, with the flap mounted on both sides via bearing devices in the housing, the disclosure describes a design in which a bearing body is supported radially against an annular collar of the bearing device and, by way of the annular collar, is held braced in a radially spring-loaded manner in a predefined radial position. | 01-12-2012 |
| 20110256973 | DRIVE TRAIN WITH A FIRST ELECTRIC MOTOR AND A PLANETARY GEAR MECHANISM AS WELL AS WIND ENERGY PLANTS, GAS TURBINES AND WATER TURBINES AND VEHICLES THAT HAVE THIS DRIVE TRAIN - A drive train, wherein the drive train has a first electric machine (EMI) which can be operated in a motor or generator operating state, and a planetary gear mechanism ( | 10-20-2011 |
| 20110231080 | CONTROL AND REGULATION METHOD FOR AN INTERNAL COMBUSTION ENGINE HAVING A COMMON RAIL SYSTEM - The invention relates to a control and regulation method for an internal combustion engine ( | 09-22-2011 |
| 20110220066 | CONTROL AND REGULATION METHOD FOR AN INTERNAL COMBUSTION ENGINE HAVING A COMMON RAIL SYSTEM - The invention relates to a control and regulation method for an internal combustion engine having a common rail system, wherein a rail pressure is regulated in normal operation in that a first actual rail pressure is determined via a first filter from the rail pressure, an offset is calculated from a target rail pressure and the first actual rail pressure, a variable is calculated via a pressure regulator from the offset and a PWM signal having a first PWM frequency (f | 09-15-2011 |
| 20110178659 | METHOD FOR CONTROLLING A HYBRID DRIVE IN A RAIL VEHICLE - A method is proposed for controlling a hybrid drive in a rail vehicle in which an electronic route timetable (SPL) is predefined as route-section-related speeds by means of a train control device, route-section-related types of drive for the rail vehicle are predictively determined by means of the electronic route timetable (SPL) before the journey begins, a deviation of the actual position from a setpoint position of the rail vehicle which is obtained from the electronic route timetable (SPL) is determined while the rail vehicle is travelling, a time margin is calculated on the basis of the difference in position, and the current type of drive is retained or changed as a function of the time margin. | 07-21-2011 |
| 20110130944 | METHOD FOR AUTOMATICALLY CONTROLLING AN INTERNAL COMBUSTION ENGINE - A a method for automatically controlling an internal combustion engine, in which an individual accumulator pressure (pE) of a common rail system is detected in a measurement interval and stored; in which an evaluation window is determined for the stored individual accumulation pressure (pE), within which window an injection was brought about; in which, in a first step, both a representative injection start and a trial injection end are determined in this evaluation window as a function of the detected pressure values, and, in a second step, both a trial injection start and a representative injection end are determined in this evaluation window as a function of the detected pressure values; in which the representative injection start is checked for plausibility against the trial injection start; and in which the representative injection end is checked for plausibility against the trial injection end. | 06-02-2011 |
| 20110066781 | METHOD FOR ASSIGNING ADRESSES TO INJECTORS - A method for assigning addresses to injectors of an internal combustion machine, wherein, prior to the starting procedure, an electronic motor control device selects a first injector by activating the first injector by a first control line from the electronic motor control device. The electronic motor control device is arranged on a data bus to which the electronic motor control device and all injectors are connected. A first address value is placed on the motor control device and the first injector assumes the first address value as the address assigned to it. | 03-17-2011 |
| 20110035132 | METHOD FOR AUTOMATICALLY CONTROLLING AN INTERNAL COMBUSTION ENGINE - A method for automatically controlling an internal combustion engine, in which an axial displacement (s(t)) and an angle of rotation (w(t)) of a gas-exchange valve are measured during a valve stroke. A displacement deviation is computed from the displacement (s(t)) relative to a reference valve, and an angle of rotation deviation is computed from an initial value and an end value of the angle or rotation. The further operation of the internal combustion engine is set on the basis of the displacement deviation and the angle of rotation deviation. | 02-10-2011 |
| 20100242937 | METHOD FOR REGULATING A STATIONARY GAS MOTOR - The invention relates to a method for regulating a stationary gas motor ( | 09-30-2010 |
| 20100089342 | CHARGE-AIR COOLING DEVICE, SYSTEM FOR TURBOCHARGING AND/OR CHARGE-AIR COOLING, METHOD FOR CHARGE-AIR COOLING - An apparatus for charge air cooling for an internal combustion engine of a motor vehicle, comprising a first heat exchanger for charge air high-pressure cooling, and at least one second heat exchanger for charge air low-pressure cooling, and at least one first connecting element for connecting a first heat exchanger and the at least one second heat exchanger together, at least one coolant supply conduit for supplying at least one heat exchanger with coolant, at least one coolant discharge conduit for the discharge of coolant from at least one of the heat exchangers, wherein the at least one coolant supply conduit and the at least one coolant discharge conduit are arranged substantially completely in the at least one first connecting element. | 04-15-2010 |
| 20100076632 | METHOD FOR AUTOMATICALLY CONTROLLING THE SPEED OF A SHIP - A method for automatically controlling the speed of a ship, in which the engine speed (nMOT) is automatically controlled by a closed-loop engine speed control system as an inner closed-loop control system, the ship's speed (vS) is automatically controlled by a closed-loop ship's speed control system as an outer closed-loop control system, and the ship's set speed (vSL) is influenced as a reference input of the closed-loop ship's speed control system as a function of an external signal source. The ship's set speed (vSL) is corrected as a function of the underwater topography (TOPO). | 03-25-2010 |
| 20100030450 | METHOD FOR CONTROLLING A V-TYPE INTERNAL COMBUSTION ENGINE - A method for controlling a V-type internal combustion engine with a separate common rail system on an A side and a separate common rail system on a B side of the internal combustion engine, in which a set injection quantity is computed at least as a function of an actual speed relative to a set speed. An injection time for controlling an A-side injector is computed by an injector map as a function of the set injection quantity and as a function of an A-side actual rail pressure. The injection time for controlling a B-side injector is computed by the same injector map as a function of the set injection quantity and as a function of a B-side actual rail pressure. | 02-04-2010 |
| 20100030410 | METHOD FOR CONTROLLING A SHIP PROPULSION SYSTEM COMPRISING A SURFACE PROPELLER - The invention relates to a method for controlling a ship propulsion system comprising a surface propeller in which the desired capacity is interpreted as the target rotational value, the rotational speed control deviation is calculated from the desired rotational value and the actual rotational value of the internal combustion engine and an injection quantity for the rotational control of the internal combustion engine is determined using the rotational speed control deviation on a rotational speed controller. According to said method the trim position of the surface propeller is controlled by means of an arrangement controller in accordance with the capacity reserve of the internal combustion engine and the actual trim position and the effective rotational speed, said trim position being determined from the rotational speed control deviation. | 02-04-2010 |
| 20100024773 | METHOD FOR AUTOMATIC PRESSURE CONTROL - A method for automatically controlling the pressure of a common rail system on an A side and a common rail system on a B side of a V-type internal combustion engine, in which the rail pressure (pCR(A)) of the common rail system on the A side is automatically controlled by an A-side closed-loop pressure control system, and the rail pressure (pCR(B)) of the common rail system on the B side is automatically controlled by a B-side closed-loop pressure control system. The automatic control of each side is independent of the other. A common set rail pressure is set as a reference input for both closed-loop pressure control systems. A set injection quantity is computed by a speed controller as a function of an actual speed relative to a set speed, and a common disturbance variable is computed as a function of the set injection quantity. Both the correcting variable of the A-side pressure controller and the correcting variable of the B-side pressure controller are corrected by the common disturbance variable. | 02-04-2010 |
| 20090288637 | METHOD FOR CALIBRATING AN ACCELERATOR PEDAL - A method for calibrating an accelerator pedal during a driving operation, in which the mechanical position of the accelerator pedal is converted by at least one potentiometer to an electrical signal value and read in by an electronic engine control unit. An idle limit for an idle position of the accelerator pedal and a fill-load limit for a full-load position of the accelerator pedal are set as initial values. An idle signal value that is less than or equal to the idle limit is stored in a potentiometer-specific idle data memory for each potentiometer, a representative idle signal value is determined from the stored idle signal values, and this value is set as the determining idle position of the accelerator pedal specific to each potentiometer. A full-load signal value that is greater than or equal to the full-load limit is stored in a potentiometer-specific full-load data memory for each potentiometer, a representative full-load signal value is determined from the stored full-load signal values, and this value is set as the determining full-load position of the accelerator pedal specific to each potentiometer. | 11-26-2009 |
| 20090192698 | METHOD FOR AUTOMATICALLY CONTROLLING A STATIONARY GAS ENGINE - A method for automatically controlling a stationary gas engine, where an engine speed control deviation is computed from a set engine speed (nSL) and an actual engine speed (nIST), and a set torque is determined as a correcting variable from the speed control deviation by a speed controller, where a set volume flow is determined as a function of the set torque to establish a mixture throttle angle (DKW | 07-30-2009 |
