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WO/2001/007774A1 |
A diesel-cycle engine (22) with a unique exhaust gas recirculation system includes a plurality of cylinders with fuel feed for each of the cylinders and an intake manifold (21) for distributing intake air to each of the cylinders for com...
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WO/2000/077371A1 |
Disclosed is a method for compensating deterioration or ageing of NO¿x? storage catalysts by specifically increasing the NO¿x? conversion rate in accordance with a specific excess consumption threshold value. According to extent of dam...
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WO/2000/071879A1 |
Means for influencing the exhaust gas of said internal combustion engine are provided. When certain conditions are present, a special operating mode in which the exhaust gas preferably has a higher energy content, is initiated. In said s...
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WO/2000/070213A1 |
A spark ignition internal combustion engine having at least one combustion chamber (4) and an operating cycle with induction, compression, power and exhaust phases, said engine having a forced induction system including an intake air com...
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WO/2000/065216A1 |
A variable geometry turbocharging system (70) for use in an internal combustion engine utilizes a voice coil assembly (110). The voice coil assembly (110) includes a field (116) and an armature (140). The voice coil assembly (110) is act...
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WO/2000/060228A1 |
A regeneration aid system (4) for a particulate filter integrated into the exhaust line (2) of a diesel engine of a motor vehicle, comprising means (5) for injecting fuel into at least some of the cylinders of the engine (1) during the e...
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WO/2000/058615A1 |
A device and method for controlling the fuel injection amount of an internal combustion engine with turbocharger, wherein it is investigated whether or not a supercharging pressure Pb rises to a specified value P0 or higher to judge whet...
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WO/2000/042305A1 |
An exhaust gas recirculation system for an internal combustion engine. The present invention includes a turbocharger (36), restrictor valve (32), and exhaust gas recirculation valve (34). The restrictor valve (32) is upstream of the turb...
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WO/2000/026527A1 |
An exhaust emission recirculating system for supercharged diesel engine, comprising a main power diesel engine (11) with a turbocharger (13) and an auxiliary power engine (18) which is connected to the main power diesel engine and suppli...
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WO/2000/020745A1 |
In an internal-combustion engine (1) of the Otto type, in which exhaust gases are used in order to drive a turbocompressor (14, 15) for supercharging the engine, the engine is designed in such a manner that it can, at high load, be run w...
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WO/2000/019070A1 |
The invention relates to a method for regulating or controlling a supercharged internal combustion engine. Said internal combustion engine comprises an exhaust-gas turbocharger having an exhaust-gas turbine, which has variable turbine ge...
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WO/2000/019073A1 |
The invention relates to a method for regulating or controlling a supercharged internal combustion engine that comprises an exhaust gas turbocharger with a variable-geometry exhaust turbine for variable adjustment of the effective cross-...
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WO/2000/015455A2 |
A hybrid vehicle comprising an internal combustion engine (40) controllably coupled to road wheels (34) of the vehicle by a clutch (51), a traction motor (25) coupled to road wheels of said vehicle, a starting motor (21) coupled to the e...
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WO/2000/012884A1 |
The invention relates to an internal combustion engine (1) comprising first cylinders (2-6) and at least one second cylinder (7) and to a method for operating the internal combustion engine (1). The second cylinder (7) serves as a dispen...
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WO1999042718A9 |
A premixed-charge compression-ignition engine and control system (10) is provided which effectively initiates combustion by compression-ignition and maintains stable combustion while achieving extremely low oxides of nitrogen emissions, ...
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WO/2000/008319A1 |
The invention relates to an internal combustion engine comprising several cylinders arranged in two rows and two turbochargers driven each by the exhaust gases from the cylinders of one cylinder row. The inventive engine is provided with...
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WO/1999/031373A1 |
The invention relates to an arrangement for a combustion engine (1) comprising at least one cylinder (2), an intake (3, 4) for the supply of air, an exhaust outlet (9, 10) for discharging exhaust gases, a further line (15) for recirculat...
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WO1999001652A9 |
A system and method for controlling an exhaust gas recirculation system (10) on an electronically controlled, turbocharger (18) equipped internal combustion engine (12) having two or more actuating devices (84, 86). In the disclosed embo...
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WO/1999/018339A1 |
The inventive device contains a first regulator (21) which is switched through to an actuator (14) for the exhaust gas turbocharger (3, 4) only when a fault determination device detects no fault in the functioning of the motor. A change-...
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WO/1999/004147A1 |
A method and system of controlling a turbocharger (52, 54) in an internal combustion engine includes monitoring a boost pressure and establishing a turbocharger parameter limit value for the turbocharger parameter. A dynamic engine torqu...
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WO/1999/004150A1 |
The invention relates to a method or device with a reduced number of sensors for operating characteristics wherein performance data (20) is used to calculate the intake air pressure (AL) of the charger (3, 5) on the basis of the charging...
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WO/1999/000590A1 |
In a turbocharger system for internal combustion engines, the internal combustion engine has at least one combustion chamber with a variable volume and a swept volume determined by the sum of the differential volumes between the smallest...
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WO/1999/000589A1 |
The invention relates to a turbocharger system for internal combustion engines, wherein the internal combustion engine is provided with at least one combustion chamber which can change volume and one internal combustion engine displaceme...
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WO/1998/054444A1 |
The invention relates to a method for improving the thorough mixing of the exhaust gas/fuel mixture in an internal combustion engine (1), whereby the exhaust gas stream is at least temporarily impinged upon by an increased exhaust-gas ma...
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WO/1998/044252A1 |
In order to reliably control the inlet pressure, the integration of the standard deviation (1de) of said inlet pressure by a integral control unit (INT) is limited to a set value (1dimx). This threshold value (1dimx) is composed of a bas...
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WO/1998/034014A1 |
A multi-cylinder Diesel engine, for trucks, particularly of the type supercharged by a turbo-supercharger actuated by the exhaust gases, is provided with a variable valve actuation system for actuating the intake and exhaust valves, whic...
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WO/1998/029647A1 |
A hybrid supercharged engine which comprises a turbo-charger TC having a maximum capacity at a higher speed than a maximum torque rotational speed of the engine, and a positive displacement supercharger SC installed in series with the tu...
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WO/1997/040270A1 |
Turbocharged internal combustion engine with exhaust return via a valve (7) on the intake side (5) of the turbocompressor unit (2) to the engine intake side. The turbine (3) and the compressor (4) of the turbocompressor unit are adapted ...
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WO/1997/039231A1 |
This invention concerns an arrangement for determining differences in rpm between two exhaust gas turbochargers (6, 8, 7, 9) of an internal combustion engine (1) comprised of two separate cylinder banks (2, 3). This arrangement consists ...
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WO/1997/033081A1 |
The invention relates to a process in which a correcting variable (wdksol) for the throttle valve in the inlet manifold of the internal combustion engine is derived from a predetermined theoretical filling value (rlsol), a theoretical va...
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WO/1997/022789A1 |
Device for controlling the engine braking power of an internal combustion engine (1) in a motor vehicle, which is equipped with a compression braking device arranged in brake mode to open the exhaust valves at the end of the induction st...
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WO/1996/037377A1 |
The device reduces the charging pressure dependently upon a predetermined reference engine torque (MMS) when said reference engine torque (MMS) or a reference engine operating parameter is lower than a corresponding operative engine para...
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WO/1996/032583A1 |
Internal combustion engine with exhaust gas recirculation and turbocharger. The duct (9) connecting the exhaust duct (4) and the inlet duct (5) is situated upstream of the exhaust turbine (6) and downstream of the inlet compressor (7). T...
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WO/1996/026357A1 |
A blower scavenging arrangement for an internal combustion engine (5) including a blower (10) for supplying air to the engine (5), a bypass valve (15) for regulating a bypass airflow from the outlet side of the blower (10) to the inlet s...
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WO/1996/026358A1 |
A method of and an apparatus for restricting an engine output on highlands in such a manner that the exhaust temperature is kept within a permissible range to maintain the performance and durability of an internal combustion engine. This...
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WO/1996/021100A1 |
The device described for measuring the load on a turbocharged internal-combustion engine makes a density-dependent correction to the secondary load signal determined from the throttle-valve angle and the engine rpm. The density-dependent...
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WO/1996/020337A1 |
A process is disclosed for improving the design load behaviour of an internal combustion engine operating in a substantially stationary mode and supercharged by an exhaust gas turbocharger. By temporarily regulating the starting point of...
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WO/1996/015362A1 |
Inlet and exhaust valve timing is varied in conjunction with reducing the engines compression ratio and increasing drive to the supercharger. Variations include the early opening of one or more exhaust valves and/or closure of one or mor...
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WO/1996/010128A1 |
The invention concerns a protective system for a supercharged internal combustion engine (100), wherein it is determined by means of a quantity (P) characterizing the supercharging effect whether the boost pressure system is suffering fr...
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WO/1996/001939A1 |
A four stroke reciprocating piston type internal combustion engine in which an expansion ratio in each cylinder is greater than the compression ratio of the cylinder. This may be created by closing an intake valve or valves (2) of each c...
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WO/1995/026466A1 |
Device for controlling the engine braking power of an internal combustion engine (1) in a motor vehicle with a compression braking device (8) and an exhaust pressure governor (10). The device comprises a control unit (14), comprising mic...
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WO/1995/014853A1 |
A method wherein a number of cylinders (2, 3; 1, 4) are combined on a single exhaust manifold (8, 10) such that the pressure in the exhaust manifold (1e....4e) undergoes substantial time-dependent amplitude fluctuations, and an exhaust v...
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WO/1995/002119A1 |
An arrangement and method for regulation of idle speed and charge pressure in a supercharged combustion engine (1) which engine includes an idle speed valve (20) arranged in a shunt channel (21) by-passing the throttle (9) and waste-gate...
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WO/1994/023190A1 |
The invention relates to a protective system for a supercharged internal combustion engine. In normal operation, supercharging is set and/or regulated at a predeterminable reference value (P reference). There are various protective neasu...
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WO/1994/018456A1 |
A control system for controlling the flow of inlet air into a supercharged spark ignition engine (40) is described. The system comprises air expansion and compression means (19), an inlet port control means (20) for controlling the intak...
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WO/1994/013946A1 |
An engine control unit (ECU) in which each of the following engine operating parameters are detected: engine speed (60), throttle position (62), manifold absolute pressure (MAP) (64), gas pressure (66), gas temperature (68), battery volt...
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WO/1994/007015A1 |
An electronic fuel injection system for providing variable injection timing for a compression ignition engine having a per cylinder displacement volume of at least 5.5 liters includes individual fuel delivery mechanisms, such as a fuel p...
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WO/1994/004804A1 |
A large two-stroke turbocharged internal combusted engine (E) has a reactor (R) for reduction of the NOx-contents in the exhaust gas connected upstream of the turbocharger (T/C). At least one sensor (S1, S2, S3) measures at least one eng...
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WO/1994/002723A1 |
The invention concerns a piston internal-combustion engine with separate compression (K) and expansion (E) chambers and a compressed-gas transfer device (7) which feeds compressed gas from the compression chambers to the expansion chambe...
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WO/1994/000679A1 |
The invention relates to a process for controlling the operating cycle of an internal combustion piston engine and an engine (1) for carrying out said process. The engine has an intake system (5), an exhaust system (6) and valves in each...
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