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WO/2015/101778A1 |
An internal combustion engine (10) comprising: a piston (12) arranged to reciprocate within a cylinder (14); an adjustable volume induction chamber (50) communicating with the cylinder (14); an air inlet port (30) communicating (42) with...
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WO/2015/098170A1 |
In the present invention an internal combustion engine (1) for a vehicle is equipped with an automatic transmission (4) and has a variable compression ratio mechanism for which a target compression ratio (tCR) is determined by referring ...
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WO/2015/093604A1 |
The present invention relates to a control device for estimating compression ratio and a method for estimating the compression ratio in an internal combustion engine provided with a variable compression ratio mechanism. When an abnormali...
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WO/2015/087662A1 |
An internal combustion engine comprises a variable compression ratio mechanism that changes the relative position of a cylinder block with respect to a crankcase and a controlling device that controls the variable compression ratio mecha...
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WO/2015/062673A1 |
It comprises one or more cylinders (120, 130) with pistons (140, 150, 160, 170) therein and mutually opposed power cams (300, 400) connected to respective first and second rotary shafts (500, 600). Reciprocation of pistons (140, 150, 160...
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WO/2015/060036A1 |
The present invention relates to a control system and a control method for an internal combustion engine. This control system includes a main control device, a first sub control device for controlling a variable compression ratio mechani...
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WO/2015/056375A1 |
Provided is an R-θ table device wherein a table can be moved in a plane in longitudinal, lateral, and rotational directions. The present invention is provided with: a table furnished with a through hole equipped with a bearing; a guide ...
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WO/2015/029314A1 |
An engine (10) is provided with: first injection valves (21) for injecting a gaseous fuel; second injection valves (22) for injecting a liquid fuel knocking resistance of which is lower than that of the gaseous fuel; and a variable valve...
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WO/2015/021967A1 |
The invention relates to an adjustment apparatus (1) for changing the compression ratio in an internal combustion engine, comprising a driving means (2), at least one transmission (5) connected downstream of the driving means (2) and a d...
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WO/2015/013696A1 |
Energy to speed heating of a catalyst associated with an internal combustion engine can be provided in the form of sensible energy (heat) via hot combustion products. In some variations, timing of opening and/or closing of an exhaust val...
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WO/2015/000075A1 |
Volumetric efficiency is reduced in a premixed gaseous fuel engine compared to a premixed liquid fuel engine. An improved method for operating an internal combustion engine and improving volumetric efficiency comprises storing a gaseous ...
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WO/2015/001157A1 |
The invention relates to an internal combustion engine, provided with a crankshaft (4) and one or more cylinders (1) provided on the wall thereof with exhaust ports (2) and closed at the top by a cylinder head (3) provided with intake po...
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WO/2015/001728A1 |
A direct injection engine comprises an injector that injects fuel directly into the combustion chamber and a spark plug that causes an ignition spark in the combustion chamber. An ECU performs a plurality of first injections so that an a...
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WO/2014/205809A1 |
Disclosed is a variable compression ratio and variable air-fuel ratio method for an internal combustion engine, the method comprising the following steps: dividing an air intake volume in a cylinder into a first air intake volume and a s...
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WO/2014/199690A1 |
The present invention pertains to a control device and a control method for internal combustion engine provided with a variable valve actuation mechanism for varying the closing timing of the inlet valve, and a variable compression ratio...
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WO/2014/188755A1 |
A transient internal EGR volume estimating means (51) outputs an internal EGR volume estimated value by considering the actual valve overlap amount during transient operation. A transient external EGR volume estimating means (52) outputs...
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WO/2014/183460A1 |
A compression ratio variable and expansion ratio variable apparatus (200) is mounted on a crank shaft (100) and a piston connecting rod assembly (5) of an internal combustion engine. The compression ratio variable and expansion ratio var...
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WO/2014/185124A1 |
A basic target compression ratio calculating unit (21) finds a basic target compression ratio (btCR) from a demand load (tT) and an engine speed (Ne). When component temperatures (Tem, Tes), which are calculated by a component temperatur...
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WO/2014/178226A1 |
An internal combustion engine (1) for a vehicle is provided with a manual transmission (4) and has a variable compression ratio mechanism, and a target compression ratio (tCR) thereof is found by referring to a compression ratio map in w...
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WO/2014/179758A1 |
A system and method for providing a variable compression ratio internal combustion engine is disclosed. The system can include a crankshaft pivotally coupled to a standard engine block using a plurality of pivoting main bearing caps. The...
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WO/2014/174969A1 |
A target compression ratio (ε(t + Tact)) after a prescribed time (Tact) from the current time is calculated from the intake volume taken into a cylinder (7) after the prescribed time (Tact) from the current time, and a control command (...
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WO/2014/162043A1 |
Invention to an arrangement for setting a compression ratio of an internal combustion piston engine, which arrangement provides a power transmission connection between a piston and a crank shaft of the engine when assembled, and which ar...
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WO/2014/139357A1 |
An energy-saving engine includes a cylinder block (1), a cylinder head (17), a cylinder head cover (18), a cylinder barrel (3), a crankshaft (26), a connecting rod (24) and a piston (2). A groove is formed in the center of the top end of...
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WO/2014/141729A1 |
According to the present invention, an internal combustion engine (1) is a cylinder direct injection spark-ignited internal combustion engine having a variable compression ratio mechanism (2). Based on an engine operating condition (step...
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WO/2014/141751A1 |
This control device is provided with 3 operation modes: a normal operation mode which is performed when fuel-cut conditions have not been established; a fuel-cut operation mode which is performed when the fuel-cut conditions have been es...
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WO/2014/139316A1 |
An engine with a variable compression ratio comprises a cylinder body (1), a cylinder cover (17), a cylinder cover cap (18), a cylinder barrel (3), a bent shaft (26), a connecting rod (24), and a piston (2). A groove is disposed at the c...
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WO/2014/136935A1 |
The present invention pertains to a control device and control method for an engine provided with the following: a variable-compression-ratio mechanism that changes the top-dead-center position of a piston; and a fuel-injection device th...
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WO/2014/129088A1 |
The present invention is equipped with: a variable compression ratio mechanism (10) that changes the engine compression ratio in response to the rotational position of a first control shaft (14); and an actuator that changes and maintain...
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WO/2014/129225A1 |
An internal combustion engine (1) has a variable compression ratio mechanism (2) using a multi-link piston crank mechanism, and is equipped with a fuel injection valve (8) that injects fuel into the cylinders. The variable compression ra...
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WO/2014/125848A1 |
An internal combustion engine (1) having a variable compression ratio mechanism (2) and comprising a common rail fuel injection device using a mechanically driven high-pressure fuel pump (46). The fuel pressure (P) inside the common rail...
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WO/2014/125849A1 |
A control device and a control method for an internal combustion engine that reduce a target compression ratio for a variable compression ratio mechanism (2) to a minimum compression ratio and purge in that state, if an evaporated fuel c...
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WO/2014/122946A1 |
The value ∆ALPHA is calculated by subtracting 1 from the average of air-fuel ratio correction coefficients α in an air-fuel ratio feedback control system (step 1), and when ∆ALPHA is equal to or greater than a predetermined value âˆ...
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WO/2014/119151A1 |
At time t1, a fuel cutoff during deceleration is performed. The oxygen storage amount (rOS), which increases after the fuel cutoff, is estimated on the basis of the exhaust air-fuel ratio and the intake air amount. At the time (t2) when ...
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WO/2014/119354A1 |
An internal combustion engine (1) is an in-cylinder direct injection type spark-ignition engine having a variable compression ratio mechanism (2). When the internal combustion engine is started at an ultra-low temperature (steps 1, 2), t...
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WO/2014/115503A1 |
An internal combustion engine system comprising a first injection valve (21) that injects gas fuel, a second injection valve (22) that injects liquid fuel, and an EGR device that recirculates into a cylinder (24) in an engine (10) some o...
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WO/2014/112201A1 |
An internal combustion engine (1) that has a variable-compression-ratio mechanism (2) has variable valve mechanisms (7, 8) for an intake valve (4) and an exhaust valve (5), respectively. If a malfunction in the variable-compression-ratio...
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WO/2014/111796A1 |
A variable compression ratio mechanism of an internal combustion engine includes an operation element, an input actuator, and a reverse input torque cutoff clutch (62). The reverse input torque cutoff clutch (62) includes a fixed member ...
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WO/2014/101290A1 |
A capacity control circulating gasoline internal combustion engine. A working process of the engine comprises a work, gas compression, and intake stroke, that is, a piston (5) moves downward to work and meanwhile a suction check valve (8...
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WO/2014/099374A1 |
The variable compression ratio piston system for an engine adjusts the compression ratio of the engine piston by way of hydraulic fluid distributed between a pair of chambers formed in a pair of bores receiving control pistons mechanical...
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WO/2014/062068A1 |
An internal combustion engine which produces improved torque and efficiency. The engine comprises a piston; a rotatable crankshaft comprising a crankshaft cam surface; a piston connecting rod pivotally connected to the piston; a cranksha...
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WO/2014/057534A1 |
This internal combustion engine provided with a variable compression ratio mechanism is equipped with a turbocharger, the opening degree of a wastegate valve is controlled to a target opening degree for each engine operating state (step ...
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WO/2014/056291A1 |
Disclosed is a variable compression ratio device with an eccentric self-locking structure suitable for an internal combustion engine, the variable compression ratio device comprising: a crankshaft (1), each main journal (18) being provid...
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WO/2014/054434A1 |
An engine starting device is provided with: a motor generator (24); and a decompression device (28). The motor generator is coupled to a crank shaft (22) of an engine (2) in such a manner that the transmission of rotating drive power can...
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WO/2014/053238A1 |
The invention relates to a motor vehicle comprising a parallel crank mechanism for compensating an offset between a crankshaft (7) of a reciprocating piston engine of the motor vehicle and a second shaft (8), the parallel crank mechanism...
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WO/2014/046059A1 |
Provided is an internal combustion engine having a variable compression ratio mechanism, wherein the occurrence of knocking during deceleration is suppressed. When it is determined that a target compression ratio of the variable compress...
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WO/2014/046141A1 |
The present invention pertains to a control device and a control method for internal combustion engines comprising a variable compression ratio mechanism. This control device treats an air filling rate as an engine load equivalent value ...
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WO/2014/030671A1 |
The invention relates to an engine control device comprising a variable valve mechanism and a variable compression ratio mechanism that alters the position of the top dead centre of the piston. The control device calculates a basic targe...
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WO/2014/027497A1 |
A control device for a variable compression ratio internal combustion engine comprises a variable compression ratio mechanism (20) capable of varying the compression ratio of an engine in accordance with the rotational position of a cont...
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WO/2014/027488A1 |
According to the present invention, an actuator (motor) for driving a control shaft (14) of a variable compression ratio mechanism is disposed on the outside of the mechanism main body (1), and an actuator case (22) is attached to a side...
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WO/2014/019684A1 |
The invention relates to a reciprocating-piston internal combustion engine with variable compression, having an actuating unit for changing a variable compression of the reciprocating-piston internal combustion engine, wherein, to change...
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