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WO/2024/008236A1 |
The invention relates to a four-stroke internal combustion engine (1) with two intake valves (3, 4) and at least one exhaust valve (5, 6) per cylinder, wherein a two-part intake port (7) is provided, which supplies the two intake valves ...
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WO/2023/053346A1 |
The present disclosure is directed to a configuration that can improve suction of air intake when the degree of opening of a throttle valve is relatively small in an internal combustion engine having a partition part provided in an air i...
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WO/2023/053308A1 |
Provided is an air intake device for an internal combustion engine including an air intake passage 80, an air intake passage pipe 6; and a throttle valve 75. The air intake passage pipe 6 is located downstream of a throttle body 7, is eq...
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WO/2022/262568A1 |
A supercharging method for an internal combustion engine, the internal combustion engine (1) taking in gas and discharging gas during operation, intake gas and exhaust gas being connected via a draft tube (10), and the intake gas being d...
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WO/2022/130045A1 |
In an internal combustion engine provided with an electro-hydraulic system for variable actuation of the intake valves of the engine, each cylinder has two intake valves (VT, VS), associated with two intake conduits. A first intake condu...
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WO/2021/255973A1 |
The present invention addresses the problem of providing an internal combustion engine exhaust promotion method, exhaust promotion device, and exhaust system improvement method capable of further improving the exhausting efficiency that ...
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WO/2021/091880A1 |
A spin tube assembly for an engine air cleaner is provided. The spin tube assembly includes a housing, a spin tube panel, a plurality of spin tubes and at least one constrictor. The plurality of spin tubes are supported on the spin tube ...
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WO/2021/078379A1 |
The invention relates to an internal combustion engine system (100), comprising : - an internal combustion engine (2) comprising a cylinder block (3) housing a plurality of cylinders (4), a first intake manifold (6a) connected to a first...
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WO/2020/253286A1 |
A supercharged engine, comprising an engine body (1), an intake system, an exhaust system, and a supercharging system. The exhaust system comprises an exhaust pipe (3) communicated between an engine exhaust port and a silencer. The exhau...
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WO/2020/214198A1 |
A forced exhaust system for increasing engine efficiency has an engine with at least one cylinder. The cylinder has a combustion chamber and a moveable piston. An intake port provides air/fuel/oil to the combustion chamber. An exhaust po...
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WO/2020/151915A1 |
A gas engine (2) is supplied with weak fuel gas (G) (which is to say, a fuel gas having a low calorific value) via a zero pressure regulator (4) feeding a Venturi mixer (20), with an enrichment valve (40) being arranged to supply additio...
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WO/2020/026565A1 |
The purpose of the present invention is to provide an internal combustion engine in which engine torque in both low-speed ranges and high-speed ranges can be improved through a comparatively simple and inexpensive configuration. An inter...
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WO/2019/222315A1 |
The invention relates to a valve assembly (10) for a charging device, in particular for a wastegate of an exhaust gas turbocharger, comprising a spindle (100), a lever arm (300) coupled to the spindle (100), and a valve disk (200). The v...
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WO/2019/206675A1 |
The invention relates to a method for operating an internal combustion engine (1), more particularly of a motor vehicle (100), having a plurality of cylinders (4), a fresh air system (2) and an exhaust gas system (3), in which fresh air ...
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WO/2019/168432A1 |
A method of hyperventilating a combustion chamber relates to motor construction and can be used in an internal combustion engine valve train. The proposed method of hyperventilating a combustion chamber is aimed at producing the technica...
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WO/2019/159043A1 |
An internal combustion engine (8) intake system comprising an air conveyance duct extending from an air inlet opening to an air outlet opening delimiting a conveying volume, 'n' inlet trumpets, separated from each other and facing said a...
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WO/2019/088376A1 |
A ramjet generator for intake/exhaust is disclosed. The present invention comprises: a central jet portion (20) having a predetermined length and provided inside an intake/exhaust pipe of an internal combustion engine; and a vortex gener...
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WO/2019/078772A1 |
The present invention concerns a method in a two-stroke engine comprising at least one cylinder (1) with a reciprocating piston (2), a delimited combustion space (5), at least one outlet port (7) and an inlet port (9) which are both unco...
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WO/2019/070190A1 |
Herein an internal combustion engine, ICE, (2) is disclosed. The ICE (2) comprises a second valve (40) arranged in an exhaust conduit (6). The exhaust conduit (6) extending from an exhaust valve (26) to an inlet of a turbine (8). The sec...
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WO/2018/220045A1 |
In the method according to the invention, dynamic compressive oscillations in the intake tract or the exhaust tract of the internal combustion engine in question are measured during normal operation and a corresponding compressive oscill...
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WO/2018/206646A1 |
The present invention relates to an intake manifold structure including: an apparatus body in which an intake port is disposed; a surge tank part disposed inside the apparatus body and connected to the intake port; a runner part disposed...
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WO/2018/075020A1 |
The abrupt cessation or run-away of a combustion engine may damage the combustion engine and pose a safety hazard to the surrounding environment. The combustion engine operational mode may be controlled, regulated or maintained by regula...
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WO/2018/066328A1 |
Provided is a novel internal combustion engine control device with which the influence of a delay in airflow and the degree of change in a transient state can be reduced and switching between a homogeneous lean combustion mode and a stra...
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WO/2018/031487A1 |
An internal combustion engine includes an exhaust conduit having an exhaust port fluidically coupled to ambient fluid and having an internal cross-sectional area and an engine cylinder fluidically coupled to the exhaust conduit. A fluidi...
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WO/2017/221962A1 |
To appropriately adjust the level of acceleration of an exhaust gas stream in accordance with the operating environment, exhaust level, etc. of an internal combustion engine. The present invention is characterized in comprising: a device...
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WO/2017/171159A1 |
Disclosed is a fluid accelerator provided on a fluid flow path so as to improve the fluid flow velocity. To this end, provided is a fluid accelerator comprising: a body formed in a cylindrical structure so as to be provided on a fluid fl...
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WO/2017/165392A1 |
A diffuser is configured for use on a vehicle having an engine and an exhaust pipe. The diffuser includes a conduit with a first end configured to receive exhaust gases from the engine. A diffusion fitting is coupled to a second end of t...
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WO/2017/149134A1 |
The invention relates to a fresh air supply device (1) for an internal combustion engine, – with a housing (2) and with a flap arrangement (3) which is arranged in the housing (2) and, for cylinders of the internal combustion engine, h...
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WO/2017/141576A1 |
An internal combustion engine equipped with an engine main body (10) having at least one air cylinder (2), and an air-supply manifold (4) having an adjustment pipe (12). The length of the adjustment pipe is set such that a first pressure...
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WO/2017/129683A1 |
The invention relates to an air supply system (1) for an internal combustion engine of a motor vehicle, comprising - a housing (2) which has an upper housing part (4) and a lower housing part (5) and delimits a housing interior (3), - a ...
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WO/2017/090433A1 |
Provided is an exhaust device (4) connected to an engine body (1). The exhaust device (4) is provided with: a plurality of independent exhaust pipes (5), each of which has a circular cross section, and which are connected to exhaust port...
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WO/2017/052402A1 |
The invention relates to machine building and can be used in an exhaust system of an internal combustion engine of a moving vehicle and a stationary mechanical drive. A method is proposed for increasing the efficiency of fuel combustion ...
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WO/2016/186461A1 |
Provided is a valve embedded actuator comprising: an actuator body having a vacuum port through which external vacuum pressure is introduced and an atmosphere port through which external atmospheric pressure is introduced; a valve, provi...
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WO/2016/179119A1 |
An apparatus for adjusting power and noise characteristics of an internal combustion engine comprises a wall configured to define an engine cylinder that includes a bore and a compression relief passage. A compression relief valve is con...
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WO/2016/162366A1 |
In order to extent the operation range of an internal combustion engine, i.e. the operation range of a HCCI engine, or to increase the compression ratio of a spark ignition engine (Otto engine) the invention proposes generating a dual sw...
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WO/2016/160760A1 |
A first disc of a dual butterfly valve is mounted on a first shaft, and a second disc of the dual butterfly valve is mounted to a second shaft coaxial with the first shaft. The first shaft is connected to the second shaft through a flexi...
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WO/2016/146417A1 |
The invention relates to an intake module (7) of a fresh air system (5) for an internal combustion engine (1), comprising a housing (14) that has an inlet opening (16) for fresh air and a flange section (19) with a plurality of outlet op...
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WO/2016/144630A1 |
An internal combustion engine (2) includes a crankcase (4) including a crankshaft and at least one cylinder (6; 61, 62, 63, 64) coupled to the crankcase. The at least one cylinder has an intake port (14) and defines an internal combustio...
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WO/2016/143230A1 |
Provided are a sealing device for a gas turbine, a gas turbine, and an aircraft engine, said sealing device being provided with a first sealing section (51), which is provided between a platform (42) of a rotor blade (28) of a turbine (1...
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WO/2015/101684A1 |
The invention relates to an internal combustion engine comprising at least one combustion chamber where the pressure distribution chamber or chambers of the engine has/have at least two intakes which operate independently and can each be...
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WO/2015/036259A1 |
In a method for operating an internal combustion engine (1, 1´, 1´´, 1´´´), in which, during an exhaust stroke of a cylinder (2), exhaust gas located therein is discharged from the cylinder (2) and fed to an exhaust system (12), a ...
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WO/2015/026878A1 |
A nanofuel engine including receiving nanofuel (including moderator, nanoscale molecular dimensions & molecular mixture) internally in an internal combustion engine that releases nuclear energy, is set forth. A nanofuel chemical composit...
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WO/2014/209046A1 |
The present invention relates to an actuator for an intake manifold, which rotates a variable valve disposed inside a runner of an intake manifold of a vehicle, the actuator comprising: a housing having a negative pressure space unit; an...
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WO/2014/190291A2 |
Variable displacement devices and related methods are provided that can be used to change the amount of volume displaced by pistons within corresponding cylinders. The subject matter disclosed herein can relate to variable displacement d...
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WO/2014/176505A1 |
The inventive subject matter provides apparatus, systems and methods for treating a fuel prior to ignition in a combustion engine in order to improve efficiency. In one aspect of the invention a throttle valve system that entrains a flow...
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WO/2014/158047A1 |
The essence of the invention consists in using a fresh charge to purge and fill a cylinder cavity by means of scavenging ports which are opened by a piston, and in a portion of the fresh charge being allowed to pass through, unobstructed...
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WO/2014/158046A1 |
The essence of the invention consists in a fresh charge being used to purge and fill a cylinder cavity after the pressure from the fresh charge exceeds the pressure from gases in an exhaust manifold, wherein, during purging, a portion of...
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WO/2014/158048A1 |
The invention relates to the field of mechanical engineering, and, in particular, to two-stroke internal combustion engines having oppositely moving pistons. The technical results of the claimed invention are: improved efficiency, increa...
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WO/2014/122816A1 |
This air intake device is configured such that: a plurality of air intake ports each include a seal surface comprising an internal wall surface that a valve body comes in contact with at a closed position for the valve body; and the angl...
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WO/2014/093215A1 |
A resonator for an intake system includes: a conduit portion having an inlet, an outlet, and a plurality of apertures; a plurality of chambers in communication with the conduit portion through the plurality of apertures; and a liner posi...
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