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WO/2009/039511A1 |
An apparatus, system, and method are disclosed for preventing turbocharger overspeed in a combustion engine (102). The method includes determining (602) a turbocharger error term (202) as a difference between a nominal turbocharger maxim...
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WO/2009/034277A2 |
The invention relates to a method for controlling an injector for injecting air with fuel into the combustion chamber of a supercharged internal combustion engine, that comprises injecting air without fuel into the combustion chamber thr...
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WO/2009/031629A1 |
An internal combustion engine mounted on a vehicle has a turbocharger. When there is an acceleration request, response of the turbocharger is appropriately enhanced by effectively utilizing gas stored in a container. In the internal comb...
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WO/2009/030694A2 |
The present invention relates to a piston engine (1), particularly for a motor vehicle, having at least one cylinder (3) comprising at least two discharge valves (9, 10). A dual camshaft (13) may be provided for controlling the discharge...
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WO/2009/028003A1 |
One embodiments includes an engine, a turbocharger coupled to the engine, the turbocharger comprising a spool, a compressor outlet and an turbine inlet, the compressor outlet coupled to an intake system of the engine, the turbine inlet c...
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WO/2009/024213A1 |
The invention relates to a method for operating an internal combustion engine, particularly an Otto motor or a diesel motor, particularly of a motor vehicle, wherein the closing times of inlet valves of operating cylinders of the interna...
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WO/2009/023368A1 |
A system is provided for removing particulate matter from a diesel particulate filter. The diesel particulate filter includes at least one diesel particulate filter unit to filter particulate matter from diesel engine exhaust gas receive...
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WO/2009/020417A1 |
In a method and a system for controlling the Variable Turbine Geometry (VTG) of a combustion engine during up-gear shift, the VTG is opened based on a prediction when exhaust gas pressure is stabilized. During up-gear shift the VTG is cl...
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WO/2009/020415A1 |
In a method and a system for preventing a reverse gas mass flow through a compressor of a turbo charged combustion engine, the maximum allowed pressure drop over the compressor for each gas mass flow is mapped in a pressure difference ga...
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WO/2009/020418A1 |
In a method and a system for controlling a combustion engine powering a motor vehicle having a turbo charger and an EGR system the control system is adapted to detecting a strong negative fuel rate exceeding a pre-determined threshold va...
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WO/2009/009735A2 |
A turbocharger (1) is provided with one or more movement control members (300) that are connected to the housing (2, 3, 3a) and limit axial movement of the adjustment ring (5). The members (300) can be inserted into one or more holes (40...
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WO/2009/003144A2 |
A variable geometry turbocharger is provided. The turbocharger improves efficiency by controlling flow to the rotor (230) via movable vanes (260). The vanes (260) can be rotated using a pin (380, 480) and groove (385, 485) system. The va...
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WO/2008/156157A1 |
When a compression ignition type internal combustion with a centrifugal supercharger is operated under low atmospheric pressure, a decrease in torque produced by the engine is minimized as much as possible. To achieve this, when the engi...
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WO/2008/157109A2 |
A turbocharger for multi-stage turbocharging, and products and systems using the same.
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WO/2008/152485A1 |
In a region 1 where the engine load KL is less than a predetermined value KLl, only a second exhaust valve that opens and closes a second exhaust passageway that bypasses a turbine of a supercharger is opened. In a region 2 where the eng...
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WO/2008/152269A1 |
The regulating system comprises means (21) for generating a supercharging pressure setpoint, means (22) for converting this setpoint into a compression ratio setpoint for each of the turbochargers, the latter setpoint cooperating with a ...
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WO/2008/148976A2 |
Intake system for a motor vehicle engine comprising an engine (1), an exhaust line (6) for the exhaust gases, a path (11) for the recirculation of the low-pressure exhaust gases, this recirculation being controlled by a recirculation val...
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WO/2008/143274A1 |
An electronic controller (50) judges whether the atmosphere in the vicinity of an oxygen concentration sensor (55) in an exhaust passage (30) became atmospheric state or not as fuel cut is performed. If the atmosphere in the vicinity of ...
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WO/2008/139105A1 |
The invention relates to a supercharging system (1) for a compression ignition engine, that comprises first (T1, C1) and second (T2, C2) turbochargers mounted parallel and providing a three-mode operation, one using the first turbocharge...
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WO/2008/140402A1 |
When controlling an engine having a Variable Turbine Geometry (VTG) the VTG is closed some predicted time period before an up-gear shift is performed. This is advantageous because when the gear shift begins the engine breaking is already...
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WO/2008/140393A1 |
In order to obtain improved performance, the control unit controlling an engine provided with Variable Turbine Geometry (VTG) is adapted to predict (203) a future need for a high torque. In response to determining that there will be a de...
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WO/2008/140036A1 |
A four-cycle engine (1) is adapted so that fresh air is introduced into a cylinder (1a) through an intake port (1d) opened and closed by intake valves (IN1, IN2) and so that exhaust gas is re-drawn into the cylinder (1a) through an exhau...
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WO/2008/140392A1 |
In a method and a system for controlling an engine having a Variable Turbine Geometry (VTG) the control unit cont rolling the engine is adapted to controlling the engine such that when determining (303) that a demand for a higher torque ...
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WO/2008/140401A1 |
When controlling an engine provided with Variable Turbine Geometry (VTG), the VTG is closed to a maximally acceptable closed position without endangering the VTG when performing an up-shift. The VTG is kept in such a position during the ...
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WO/2008/122725A1 |
The invention relates to a dual-stage supercharging system for an internal combustion engine, that comprises a high-pressure turbocharger with a high-pressure turbine for receiving a first flow of exhaust gases from the engine, a low-pre...
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WO/2008/114730A1 |
An exhaust control device for an internal combustion engine purifies exhaust gas lead to a turbine and enhances supercharging performance. The exhaust control device is applied to an internal combustion engine (1) having cylinders (2) an...
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WO/2008/108762A1 |
An exhaust gas turbocharger for an internal combustion engine has a volute or spiral turbine housing and a compressor housing where a turbine rotor and a compressor impeller are connected with one another by a common shaft. The exhaust g...
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WO/2008/099750A1 |
Intended is to provide a control device for an internal combustion engine, which suppresses such a deterioration of emission or mileage effectively as might otherwise be caused by the influences of the exhaust valve opening timing at an ...
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WO/2008/096734A1 |
A driver (41) for driving a rotary motor (20), connected to a rotating shaft member of a supercharger, is mounted on a board (39) together with a control device (51) and a heat sink (39a) and is received in an engine room. Even if the te...
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WO/2008/083771A1 |
The invention relates to a regulating method for a turbocharger (1) with a turbine (4) which has a variable turbine geometry (VTG) provided with adjustable guide blades (5), having the following method steps: a) closing the guide blades ...
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WO/2008/081283A2 |
A control apparatus for an internal combustion engine (10) having a supercharging device, which includes: a valve-drive mechanism (74) that variably controls the valve timings for at least intake valves (72); target valve timing setting ...
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WO/2008/065497A1 |
An exhaust gas recirculation system includes: a turbocharger (8) that includes a compressor (8a) and a turbine (8b); a throttle valve (7), provided in an intake passage (3) upstream of the compressor (8a); an EGR passage (11) through whi...
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WO/2008/062292A2 |
This device is applied to an internal combustion engine that has a fuel injection valve for injecting fuel directly into the combustion chamber, a supercharger and an exhaust purification device. As a fuel injection from the fuel injecti...
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WO/2008/059337A2 |
A fuel property estimation device (100) for a hybrid vehicle (10) is provided. The hybrid vehicle includes a supply device that supplies fuel, an internal combustion engine (200) that outputs power to a drive shaft (205), a motor (MG2) t...
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WO/2008/059681A1 |
Provided is a hybrid engine assist system for a vehicle, that mounts both an idling stop system and an electric turbo system at the same time so that it is reduced in size, weight and price and improved in mileage. A power generating mot...
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WO/2008/056242A2 |
A method and system to control boost pressure by holding the ignition angle retard constant when running an engine from stoichiometric to lean. A method and system for controlling the amount of exhaust energy by controlling an escape val...
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WO/2008/055058A2 |
A turbocharger (107) for an internal combustion engine (100) includes a turbine having a divided turbine housing (109). A first inlet port (113) may be connected to a first volute that is formed in the turbine housing (109), and a second...
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WO/2008/050194A1 |
A compressor flow rate is calculated using a compressor model, which is the physical model of a compressor. A plurality of the compressor models are provided, and the compressor model used for calculating the compressor flow rate is chan...
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WO/2008/043933A1 |
System for monitoring the operation of a motor vehicle internal combustion engine, comprising a member for measuring the flow of air admitted, characterized in that it comprises a means (21) for determining the standard deviation of the ...
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WO/2008/035623A1 |
[PROBLEMS] To effectively remove NOx from exhaust gas even when the temperature of exhaust gas is relatively low. [MEANS FOR SOLVING PROBLEMS] The exhaust gas purification apparatus includes selective reduction type catalyst (21) dispose...
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WO/2008/028666A1 |
The invention relates to a method for operating an internal combustion engine in the form of a spark-ignition engine (2) having the following method steps: pre-compressing the air supplied to the combustion chambers (15A-15D) of the inte...
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WO/2008/024590A2 |
A method and apparatus are provided, comprising an internal combustion engine equipped with a variable geometry intake air compressing device and a control module operative to estimate exhaust gas pressure during ongoing engine operation...
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WO/2008/022865A1 |
The invention relates to a hybrid drive for a motor vehicle, in particular a passenger vehicle, having a diesel engine with an injection system, and having at least one electric motor. The invention provides for the injection system to b...
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WO/2008/018380A1 |
The amount of air passing through a centrifugal compressor (26a) is acquired according to the output of an airflow meter (18). A surge limit compressor speed is acquired according to the acquired air amount passing through the compressor...
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WO/2008/006476A1 |
The invention relates to a method for operating a spark-ignition engine (1), in particular in a utility vehicle, in which method at least one inlet valve of the spark-ignition engine (1) is closed very early or very late, and in which me...
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WO/2007/148145A1 |
A turbocharger with variable turbine geometry comprising of a turbine housing having an exhaust gas inlet and an outlet, a volute connected to the inlet, and a nozzle wall adjacent the volute, carrying a turbine wheel and is attached to ...
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WO/2007/146653A2 |
A method of controlling a variable geometry turbocharger (502) includes the steps of determining an engine start of operation (402), initiating a timer (408), and commanding an open position (412) for the vanes of the variable geometry t...
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WO/2007/145021A1 |
An engine (1) with a supercharger (40) comprises a compressor (41) having blades (45) on a turbine (42) shaft, and the turbine (42). At least one index (44) is provided on the turbine (42) shaft or the blade (45). A turbo angular velocit...
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WO/2007/141964A1 |
A cetane number detection means in which an angular velocity detection means (10) for detecting the rotation angular velocity of the crankshaft (11) of an engine (54), and which detects a variation in the value of the amplitude of the an...
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WO/2007/135007A1 |
The present invention discloses a control method for an air supply of an internal combustion engine having a turbocharger. In the control method, track data are evaluated, future power increase points of the internal combustion engine ar...
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