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WO/2024/051732A1 |
An auxiliary valve driving mechanism (100), comprising a box body (210), connecting rods, a starting piston (162), and a driving piston (130). The starting piston (162) is provided in a starting piston hole (260) of the box body (210); t...
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WO/2024/023601A1 |
A spark-ignition internal combustion engine includes, for each cylinder, two intake valves (VA, VB), at least one fuel injector and a spark plug. The two inlet valves (VA, VB) are actuated by an electronically controlled hydraulic actuat...
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WO/2024/015002A1 |
The invention relates to an apparatus (1) comprising a plurality of tools (2) each having at least one hydraulic chamber (6) for hydraulic liquid, and a hydraulic manifold (4) configured for storing pressurized hydraulic liquid and suppl...
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WO/2024/013634A1 |
Internal combustion engine provided with a timing system (100) comprising a camshaft (110) provided with at least one cam (120) for controlling an intake valve and at least one hydraulic tappet (140) in its turn including: • - a pressu...
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WO/2023/241760A1 |
Disclosed is a magnetic actuating device (1), comprising a housing (2) and a piston rod (5) that is movable along a longitudinal axis of the housing (2) between two end positions, said piston rod having at least one piston (10) which ext...
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WO/2023/143682A1 |
A hydraulic valve lift system and an engine therewith, and a method of its operation, the hydraulic valve lift system comprising a lift piston (12) sliding reciprocatingly inside a pump cylinder (11) to pump a portion of a hydraulic flui...
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WO/2023/101003A1 |
The present invention is provided with: a sprocket 1 having a sprocket body 1a and a first annular restriction part 8; a following member 9 affixed to an end section of a camshaft 2; and first ball bearings 10 provided between an outer c...
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WO/2023/092940A1 |
The present invention relates to the technical field of engine valve driving devices, and in particular, to a special driving cam-based combined engine valve driving device, comprising a valve bridge, a special driving cam, a driver, and...
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WO/2023/092941A1 |
Provided is a dedicated fixed dual-piston hydraulic engine valve driving device, comprising a dedicated driving cam (19), a driver (4), a driving oil passage (4-3), and a control valve (6), wherein when the control valve (6) is opened, t...
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WO/2023/089464A1 |
An internal-combustion engine has a plurality of cylinders each provided with two intake valves (V1, V2) that are driven by respective pumping pistons (16) operatively associated to the cams (CAM 1, CAM 2, CAM 3, CAM 4) of a camshaft (11...
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WO/2023/042092A1 |
Transcatheter prosthesis delivery catheter assemblies having a catheter and a lumen extending through the catheter. Such assemblies also have a elongate body having an outer surface and extending at least partially within the lumen. The ...
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WO/2023/001490A1 |
The invention relates to an electromagnetic actuator (10), comprising: a coil unit (20) which has a winding (22) which can be energised selectively; an armature space (26) which is penetrated by a central longitudinal axis (Z); and an ar...
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WO/2022/267410A1 |
A valve structure, comprising a cylinder head (1), a sealing member (2), an air pipe (3), a driving member (4), and a valve (5). The cylinder head (1) is provided with an air port, the sealing member (2) is fastened onto the cylinder hea...
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WO/2022/258493A1 |
The invention relates to a system for controlling a superconducting coil (6) with a magnetic persistent current switch (7). The magnetic persistent current switch (7) is used for switching the superconducting coil (6) between a persisten...
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WO/2022/219440A1 |
An actuation system for actuating an intake valve associated with a cylinder of an internal combustion engine comprises a slave piston (21) that operates the intake valve (7) and that is hydraulically controlled by means of a volume of p...
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WO/2022/155232A1 |
A vent valve opens to provide a fluid path from a regulated pressure port to a vent port, a supply valve opens to provide a fluid path from the regulated pressure port to a supply pressure port. A control piston has a linear cam profile ...
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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/2022/100810A1 |
The invention relates to an engine with an active chamber (CA) comprising a cylinder (1) supplied with compressed air, a piston (2), a cylinder head (6) that comprises an intake pipe (8), an intake opening (7), an intake valve (9), in wh...
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WO/2022/099048A1 |
Embodiments of the present disclosure provide a method and apparatus having an actuator assembly. An exemplary actuator assembly includes a cylinder body having a longitudinal axis and a plurality of passageways, and an accumulator fluid...
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WO/2022/061444A1 |
An internal combustion engine includes a hollow cylinder, a piston within the hollow cylinder, and a cylinder head. A base valve assembly at a base of the hollow cylinder permits or restricts fluid flow from an intake manifold into a sub...
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WO/2022/048072A1 |
A high-efficiency multi-stage brake mechanism, comprising a housing (2), a plunger sleeve (4) that is provided on the housing and that is fixed or reciprocates relative to the housing (2), a plunger (5) that is provided on the plunger sl...
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WO/2021/242111A1 |
The invention pertains to gas exchange in internal combustion engines using low to zero-emission fuels. The combustion engine has the ability to regulate the quantity of air/fuel mixture in the cylinder using one or more exhaust valve(s)...
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WO/2021/223420A1 |
An oil path bridging mechanism for an engine braking system comprises a rocker shaft (1) and a bridging block (2). The rocker shaft (1) is provided at an installation base (6) of an engine. An oil supply channel (11) is provided inside t...
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WO/2021/214718A1 |
A translating actuator acting between two extreme positions defined by mechanical stops is described. Said actuator comprises: an armature mass movable relative to the armature body, a stiff armature spring set such that the natural rest...
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WO/2021/198218A1 |
The invention relates to an armature assembly (2) for an electromagnetic control device (1), comprising a coil device (5) arranged in a housing (4) and having a coil (7) arranged on a core (6), wherein the armature assembly (2) comprises...
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WO/2021/191147A1 |
A method and device for controlling a four-stroke internal combustion engine comprising a step of producing a reconstituted crankshaft signal (12) which comprises an electrical signal extending over two revolutions of the crankshaft in t...
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WO/2021/185755A1 |
This invention relates to a valve arrangement in a combustion engine for controlling inlet and outlet of gas mixtures, comprising a valve (1) slidably arranged within a valve channel (20) of a valve housing (2) in a cylinder head (3) of ...
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WO/2021/177876A1 |
An actuator and a method for controlling such an actuator suitable for operating at least one gas exchange valve arranged in a cylinder head of an internal combustion engine. Said actuator (10) comprises: an actuator piston disc (20), a ...
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WO/2021/177877A1 |
An internal combustion engine comprising: an actuator (10) for axial displacement of at least one gas exchange valve of said internal combustion engine, wherein said actuator (10) comprises: an actuator piston disc (20), a cylinder volum...
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WO/2021/169566A1 |
A compression release engine in-cylinder braking system, comprising a valve mechanism (I), an oil cylinder device (III), an oil pump device (II), and an oil supply device (IV). The oil cylinder device (III) and the oil pump device (II) o...
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WO/2021/167955A1 |
A rotary valve includes a rotor housing having a first centrally-located aperture extending axially through the rotor housing, an inlet port, and an outlet port. The inlet port and the outlet port each extend radially and open into the f...
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WO/2021/139564A1 |
A fully variable electro-hydraulic valve system, comprising a sliding sleeve (A103, B103), a spiral shaft (A102, B102), a piston (A105, B105), and a reset spring (A104, B104); the sliding sleeve (A103, B103) is fixed relative to an engin...
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WO/2021/136225A1 |
A fully variable electro-hydraulic valve system having a buffering function, comprising a camshaft (101), a valve assembly (106), a sliding sleeve (103), a spiral shaft (102), a piston (105), and a reset spring (104); the sliding sleeve ...
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WO/2021/121639A1 |
In order to provide a more reliable configuration for a hydraulic drive for accelerating and braking, in particular, a gas exchange valve (20) of internal combustion engines or other piston engines, in particular if the occurring maximum...
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WO/2021/110944A1 |
The invention relates to an electromagnetic actuator (10) having stationary energizable coil means (1) with a paired stationary core region (2) and having an armature unit (3), which can be moved relative to the coil means (1) and the co...
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WO/2021/105654A1 |
A valve control system (20) for an internal combustion engine, wherein the valve control system is configured to output control signals to an exhaust valve actuator (32) relating to a demanded opening and closing cycle of the exhaust val...
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WO/2021/078322A1 |
The invention relates to a hydraulic unit (1) of an electrohydraulic gas exchange valve control system of an internal combustion engine, comprising: a hydraulic housing (2) having a receiving opening (35); a piston guide (17), which is f...
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WO/2021/031230A1 |
An electric engine braking device. The electric engine braking device comprises a control mechanism (8) and an electric driving mechanism (9). The control mechanism (8) comprises a housing (81), an actuating plunger (82), and a sliding a...
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WO/2021/008155A1 |
Disclosed are a hydraulic valve mechanism achieving the variable number of times of opening of a valve, and an internal combustion engine. The hydraulic valve mechanism comprises a housing (4), a valve cam (1) provided with a primary pro...
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WO/2020/257140A1 |
A hydraulic valve having a body defining an inlet and an outlet. A motor is supported by the body and operates a shaft extending through an interior of the body, the shaft terminating in a gate. A spring is supported within the housing a...
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WO/2020/233508A1 |
An engine camshaft and a valve drive apparatus, the camshaft providing two adjacent cams (11a, 11b) for an intake or exhaust rocker arm, a flange (12) being disposed between the two cams (11a, 11b), the flange (12) being arranged in a pa...
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WO/2020/221477A1 |
A hydraulic system for a rocker arm assembly having an exhaust rocker arm configured to selectively open an engine valve includes a carrier assembly configured to couple to a cylinder head of an engine, a brake plunger assembly disposed ...
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WO/2020/214231A1 |
A cam phaser is described for selectively engaging in a torque transmitting mode or an angle control mode. In the torque transmitting mode mode, torque from a camshaft is transmitted to an e-motor, which functions as a generator and prov...
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WO/2020/201137A1 |
The invention relates to a valve train (1) for an internal combustion engine and to an internal combustion engine. The valve train has an inlet valve actuation mechanism (20) for the periodic actuation of an inlet valve (24) of the inter...
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WO/2020/197424A1 |
In a device and method for operating a rotary vane internal combustion engine or machine, an engine is powered by separately supplying a working fluid and air to valve mechanisms and forming a working mixture using the ejector effect. A ...
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WO/2020/169152A1 |
The invention relates to an actuator of a valve drive of an internal combustion engine with a hydraulic gas exchange valve actuation. The actuator comprises an actuator housing (18) with a piston guide (17) and a hydraulic valve play com...
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WO/2020/150316A1 |
Systems and related methods include a rocker arm having integrated components, including a lost motion actuator piston and components for resetting the lost motion actuator piston to provide normal valve closing or late valve closing. Se...
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WO/2020/125970A1 |
An electromagnetic valve actuator (100) and method of control thereof. The electromagnetic valve actuator is for at least one valve (300) of an internal combustion engine (40), the electromagnetic valve actuator comprising: a rotor (102)...
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WO/2020/114554A1 |
The present document proposes a hydraulic unit (1) of an electrohydraulic valve control system of an internal combustion engine, comprising: – a hydraulic housing (2) with a receiving opening (33), – a piston guide (32) self-caulked ...
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WO/2020/058414A1 |
A cam phasing mechanism (1) for a cam assembly (100) of an internal combustion engine, the cam assembly (100) comprising a camshaft (120) and an actuator (130) for opening a valve (505) at a reference position of rotation of the camshaft...
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