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WO/2008/142555A2 |
A diagnostic method for a drive mechanism that is driven such that an actual drive state comes to match a target drive state which is variably set, determines that the drive mechanism is operating normally when it has been determined tha...
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WO/2008/143227A1 |
A 4 cycle engine comprises a blow down pressure wave supercharge mechanism (40) for pressure supplying exhaust gas into a second cylinder #1 by making a pressure wave (blow down pressure wave) from the combustion chamber when the exhaust...
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WO/2008/142565A2 |
A variable valve timing mechanism control apparatus which enables a valve timing of an intake valve of an internal combustion engine and a valve timing of an exhaust valve of the internal combustion engine to be varied individually, proh...
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WO/2008/142559A1 |
An internal combustion engine (1) includes a valve timing change mechanism (200) for change of the phase of an intake cam (32a), and a lift amount change mechanism (300) for change of lift amount by causing displacement of a control shaf...
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WO/2008/139774A1 |
A controller for internal combustion engine in which undue reaction of a throttle valve is prevented when the opening of the throttle valve is controlled based on a plurality of request torques. The controller for an internal combustion ...
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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/2008/133084A1 |
When the power supply from a backup power supply (80) to a volatile memory (72b) is interrupted and then returns, a remaining data judgment unit (S40) judges whether or not the data of a change history (P) remaining in the volatile memor...
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WO/2008/125949A1 |
An idling-time target phase setting unit (130) variably sets a target phase based on a target idle speed that is set by a target idle speed setting unit. (110) Especially, when the target idle speed is lower than a predetermined rotation...
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WO/2008/122343A2 |
The invention relates to a combustion method, in particular for a four-stroke reciprocating engine comprising a combustion chamber, the volume of which can be modified by a reciprocating piston and fuel can be directly injected into the ...
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WO/2008/122881A1 |
An ECU executes a program based on which, when a fuel-supply cutoff control is executed or when a hybrid vehicle travels in a second mode in which the engine is stopped and the hybrid vehicle travels using only the drive power generated ...
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WO/2008/120560A1 |
Recovery from sulfur poisoning, etc. in exhaust purification catalyst are effectively carried out through appropriate control of multiple exhaust valves. A control unit of internal combustion engine performs control of an internal combus...
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WO/2008/114626A1 |
A controller of variable valve actuator in which power consumption and rating of a motor can be reduced by reducing spring reaction during valve lift by the rotary inertial torque of a cam shaft. Before starting valve lift, the rotary in...
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WO/2008/108502A1 |
In an internal combustion engine equipped with an air/fuel ratio sensor arranged in an exhaust passage for detecting an air/fuel ratio in a heated state, there is provided a technique for improving the emission at the starting time of th...
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WO/2008/108212A1 |
Provided is an internal combustion engine controller which can accurately estimate an NOx concentration contained in an exhaust gas by using a pressure in a cylinder as basic data. The internal combustion engine (10) includes an in-cylin...
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WO/2008/105679A1 |
The inventive rotary internal combustion engine comprises a stator (1) in the form of a body, a rotor (2), inlet (29) and outlet ports and at least one piston (5) connected to a crankshaft (3). The rotor in concentrically mounted inside ...
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WO/2008/102905A1 |
A controller estimates the full combustion correspondence period (CP), i.e. the period from the ignition timing (SA) to the combustion end timing (CAe), and controls the amount of VVT advance angle (amount of combusted gas, overlap perio...
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WO/2008/098991A1 |
In a valve train of a reciprocating piston combustion engine, comprising cylinders controlled by at least three valves (1, 2) actuated by lobes (5, 6) of a camshaft (3; 4), wherein at least two valves (1; 2) operate equally in terms of f...
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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/2008/096774A1 |
Provided is a four-cycle engine (1), which is constituted to introduce fresh air and an EGR gas into a cylinder (1a). The four-cycle engine (1) comprises a blowdown supercharging mechanism (40) for introducing, by utilizing the in-combus...
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WO/2008/094230A1 |
A homogeneous charge compression ignition engine (10, 110) is set up by first identifying combinations of compression ratio and exhaust gas percentages for each speed and load across the engines operating range. These identified ratios a...
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WO/2008/086512A2 |
A method and device (10) is provided for regulating the air- fuel mixture provided to an engine of a stand-by electrical generator during the exercise thereof. The engine is exercised at a predetermined speed less than the normal operati...
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WO2007122563B1 |
To improve the precision of the control of the charge of a cylinder during idling and low revs / light load operation, a bypass feeding path of low flow capacity provides the cylinder with air or mixture while the high flow capacity inta...
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WO/2008/081992A1 |
Provided is a control device, in which a maintenance control instructing to fix the opening timing (VVT) of an intake valve is executed (at instants t1 to t2) in a predetermined low load state.After this, a change control instructing to ...
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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/2008/078756A1 |
A brushless motor (47) for a variable valve mechanism (14) can change characteristics of an intake valve (9) of an engine (1). Position sensors (S4, S5) output pulse signals as the brushless motor (47) rotates. A position counter (P) cou...
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WO/2008/079180A1 |
A turbocompound system (30) for an engine (10) is disclosed. The system includes at least one turbocharger (16). At least one first electric machine (32) is rotatably coupled to the at least one turbocharger, and a second electric machin...
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WO/2008/075759A1 |
An intake variable valve mechanism 34 is provided that allows closing timing of an air intake valve 30 to be varied. The intake variable valve mechanism 34 has a first control mode that controls IVC timing of the intake valve 30 at an an...
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WO/2008/075704A1 |
A valve performance controller for internal combustion engine, including an oil pump, valve timing alteration means and a valve timing control unit. The valve timing alteration means changes the valve performance values of an engine air ...
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WO/2008/076187A1 |
A method for operating a multi-cylinder internal combustion engine (13) includes controlling opening of intake or exhaust valves (18, 24), via a step of generating a control current in a control circuit (52) for an electrical actuator (2...
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WO/2008/072613A1 |
An engine of an engine system includes a cylinder and an external container for containing combusted gas. Combusted gas in the cylinder is received in the external container through a communication hole. The combusted gas received in the...
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WO/2008/072635A1 |
Provided is an air to fuel ratio control device for an internal combustion engine. The control device includes a learning unit, a correction unit, and an inhibit unit. When an execution condition is satisfied, the learning unit learns a ...
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WO/2008/071499A1 |
In order to optimize the fuel consumption and the driving comfort, according to the invention in a method for controlling an internal combustion engine (1), which comprises an intake valve (10), the lift of which is variable, the lift of...
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WO/2008/072063A2 |
A control apparatus includes a detection unit that detects a stop request to an engine, a throttle closing control unit that, when the stop request is detected, adjusts an opening amount of a throttle valve to an engine-stop throttle val...
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WO/2008/068985A1 |
An engine provided with a variable timing mechanism (B) able to control a closing timing of an intake valve (7) and a variable compression ratio mechanism (A) able to change a mechanical compression ratio. At the time of engine startup, ...
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WO/2008/068228A1 |
The invention relates to a method for reducing friction during a partial load operation in an internal combustion engine comprising at least two cylinder groups, wherein the intake and exhaust control times can be varied independently of...
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WO/2008/066651A1 |
A valve actuation system (200) for a combustion engine (104) is provided. The valve actuation system may have an engine valve (204) movable between first and second spaced apart end positions. The valve actuation system may also have a f...
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WO/2008/065856A1 |
A premixed compression ignition type engine is operated while change over between spark ignition combustion and compression ignition combustion. This engine has a negative overlap period during steady operation under compression ignition...
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WO/2008/063854A1 |
A method for extending the low-load operation of a homogeneous charge compression ignition engine includes employing a valve actuation device creating a negative valve overlap, thereby trapping and recompressing combusted gases within a ...
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WO/2008/056494A1 |
An engine provided with a variable timing mechanism (B) able to control a closing timing of an intake valve (7) and a variable compression ratio mechanism (A) able to change a mechanical compression ratio and controlling the closing timi...
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WO/2008/050214A1 |
In a direct injection spark ignition internal combustion engine that performs an Atkinson cycle operation in which the time to close intake valves (3a) is retarded, the tumble flow (T) in the engine cylinder is intensified by the fuel (F...
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WO/2008/044390A1 |
Provided is an air/fuel ratio control device which executes feedback control of the air/fuel ratio according to an output of a sensor for detecting the air/fuel ratio of an exhaust gas in a multi-cylinder internal combustion engine havin...
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WO/2008/042621A1 |
A phaser with a first connecting port having a first check valve and a first port valve to transfer hydraulic fluid from the advance chamber to the retard chamber and a second connecting port having a second check valve and a second port...
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WO/2008/040865A1 |
The invention relates to a device for controlling a valve (1) between an opened position and a closed position, that includes a valve actuation organ (8), an elastic system (17, 20) for oscillating the actuation organ between two end pos...
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WO/2008/042622A1 |
A phaser for an internal combustion engine having at least one camshaft comprising: a housing, a rotor and a control valve. The housing has an outer circumference for accepting drive force. The rotor connects to the camshaft coaxially lo...
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WO/2008/037870A1 |
The invention relates to a method for controlling an inlet valve (13) capable of displacement between an opening position and a closing position, and associated with a cylinder (10) comprising a piston (7) capable of displacement between...
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WO/2008/031555A1 |
The invention relates to an internal combustion engine, especially a diesel engine, especially of a motor vehicle, with at least one working cylinder, wherein each working cylinder has at least two inlet valves and at least one outlet va...
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WO/2008/032109A1 |
A method of operating an engine (10) is provided. The engine includes a housing (12) having a combustion chamber (1), a piston (14) disposed adjacent the combustion chamber, a crankshaft (60) connected to the piston, an intake valve (80)...
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WO/2008/031642A1 |
For the operation of a combustion engine, an operating point of the combustion engine and a value of a measuring-operating value is determined in a predetermined time window around a valve lift changeover (V_LIFT), being representative f...
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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/2008/029874A1 |
A torque control device for a power system, in which addition of an actuator for torque control is facilitated. Target torque signals according to target torque of the power system are distributed to actuators according to the preset ord...
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