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WO/2024/094323A1 |
A valve bridge for a rocker arm assembly is provided, which comprises a first end, a second end, and a top surface of a bridge body portion connecting the first and second ends. The top surface is configured to engage with a first rocker...
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WO/2024/088965A1 |
The invention relates to a method for determining the position of at least one cam piece (20L, 20R) of a valve train for an internal combustion engine. The invention also relates to a valve train for carrying out the method.
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WO/2024/079641A1 |
A discrete lost motion device for use in a valve train of an internal combustion engine comprises a housing having a housing bore extending longitudinally into the housing and a second end having a housing contact surface configured to e...
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WO/2024/079642A1 |
A valve actuation system comprises a first arm having a first arm contact surface and operatively connected to a valve actuation motion. A second arm having a second arm contact surface is operatively connected to the at least one engine...
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WO/2024/054746A1 |
Systems and methods are disclosed for managing the braking of a vehicle having a plurality of braking systems. A deceleration request is allocated among the plurality of braking systems based on the braking capability and priority weight...
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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/2024/051378A1 |
A control method for actuator bolts in a variable intake valve lift apparatus, comprising: in response to a drive instruction, driving bolts to move, and determining the relative position of two bolts by acquiring feedback voltages; and ...
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WO/2024/033745A1 |
A valve actuation system comprises a valve actuation motion source configured to provide main and auxiliary valve actuation motions for actuating at least one engine valve via a valve actuation load path. A lost motion subtracting mechan...
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WO/2024/030218A1 |
Disclosed herein are systems and methods, implementable in a vehicle equipped with adaptive cruise control, for maintaining in a subject vehicle substantially constant following distance relative to a preceding target vehicle where there...
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WO/2024/023600A1 |
A spark-ignition internal combustion engine comprises, for each cylinder, two intake valves (VA, VB), at least one fuel injector and a spark plug. The two inlet valves (VA, VB) are operated by an electronically controlled hydraulic drive...
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WO/2024/023599A1 |
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/2024/023601A1 |
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/2024/013634A1 |
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/2024/002523A1 |
A rocker arm assembly for actuating a valve. The rocker arm assembly including a rocker arm having a valve side and a cam side. The rocker arm being pivotable about a rocker shaft via actuation on the cam side. At least one roller assemb...
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WO/2024/002521A1 |
A spool valve assembly operable for an automatic control of an oil flow, the spool valve assembly including an outer case, a spool valve configured to slide axially within the outer case, a first inlet port on the outer case configured f...
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WO/2023/247069A1 |
A hydraulic capsule for use in a rocker arm comprises a housing having an upper chamber that receives fluid and a lower chamber in fluid communication with the upper chamber, a pin disposed in the upper chamber and configured to be hydra...
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WO/2023/232294A1 |
In one embodiment, a lifter assembly comprises a lifter having a latching mechanism, a slot arranged on an outer wall of the lifter and comprising an inlet that provides access to the latching mechanism, and a pin comprising a fluid chan...
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WO/2023/222254A1 |
A rocker arm assembly includes an engine brake capsule assembly. The engine brake capsule assembly movable between a retracted position and an extended position. The engine brake capsule assembly comprises a body comprising a lower chamb...
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WO/2023/218294A1 |
An internal-combustion engine supplied with gaseous fuel, in particular hydrogen, comprises, for each cylinder (1), a first intake duct (3A) and a second intake duct (3B), controlled, respectively, by a first intake valve (VA) and a seco...
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WO/2023/217415A1 |
A rocker arm assembly (3) capable of switchably deactivating a roller assembly (100-1, 100-2) includes a valve end (12) and a cam end (13) having first and second roller assemblies (100-1, 100-2), and a latching mechanism (300). The latc...
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WO/2023/193954A2 |
In one embodiment, a system for synchronization is provided. The system comprises a switchable first rocker arm, a switchable second rocker arm, a first switching mechanism arranged in the first rocker arm and configured to controllably ...
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WO/2023/193960A1 |
In one embodiment, a system for synchronizing switching comprises a first body coupled to a pressurized fluid supply and a control fluid supply, and a second body comprising a spool valve that is configured to be contained within a spool...
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WO/2023/186351A1 |
An added-motion engine braking system selectively operable in an engine braking mode and a drive mode and compatible with providing hydraulic lash adjustment includes an exhaust rocker arm assembly, a main exhaust valve and a brake valve...
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WO/2023/186355A1 |
A rocker arm assembly (18, 20) includes an engine brake capsule assembly (300, 400). The engine brake capsule assembly is movable between a retracted position and an extended position. The engine brake capsule assembly comprises a body (...
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WO/2023/179914A1 |
A bleeder brake capsule selectively operable in an engine braking mode and a drive mode includes plunger, an actuator, a biasing member, and a selective coupling mechanism comprising crowns configured to selectively engage each other in ...
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WO/2023/174583A1 |
A rocker arm assembly includes an engine brake capsule assembly. The engine brake capsule assembly movable between a retracted position and an extended position to selectively engage a valve bridge to open a first exhaust valve. The engi...
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WO/2023/174580A1 |
A rocker arm assembly for an engine including a main body rotatable about a shaft. The main body has a roller end and a valve end. A first switchable castellation assembly is disposed in the valve end. The first switchable castellation a...
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WO/2023/174585A1 |
In one embodiment, a retention feature (606, 608, 806, 1206, 1406, 1408) for use in a valvetrain assembly (100) is configured to be attached to a valve bridge (106, 604, 804, 1204, 1404) and connect the valve bridge with at least one of ...
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WO/2023/174582A1 |
A rocker assembly includes a valve bridge, a guidepost, and a spring. The valve bridge is operably associated with the rocker assembly and configured to engage a first exhaust valve and a second exhaust valve, wherein the valve bridge co...
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WO/2023/169717A1 |
An exhaust valve rocker arm assembly (30) selectively operable in an engine braking mode includes a rocker arm (11) and a valve end (12) configured to selectively act on a valve bridge (42) to engage a first and a second exhaust valve. T...
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WO/2023/166962A1 |
A valve body 31 includes a valve housing hole 31a formed along an internal axial direction, and an advancing angle port 37, an introduction port 39, and a retarded angle port 38 that are arranged along an axial direction. A spool valve i...
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WO/2023/161950A1 |
Camshaft Assembly for an Internal Combustion Engine and the Internal Combustion Engine Thereof The present invention provides camshaft assembly (100) for internal combustion engine (200). The assembly (100) comprises camshaft (102) havin...
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WO/2023/159542A1 |
The present invention relates to an actuator and a manufacturing method for an actuator. The actuator comprises a housing, a push rod, a driving mechanism and a sensor assembly, wherein the driving mechanism is mounted in the housing and...
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WO/2023/161836A1 |
Control system (5) for intake (1) and exhaust (2) valves of an internal combustion engine system, configured to control the valves (1, 2) to pass between a first configuration in which they do not cooperate in contact in a respective sea...
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WO/2023/160419A1 |
An avoidance mechanism for a brake rocker arm of an engine, the avoidance mechanism comprising a gap adjusting mechanism, a support mechanism fixed on an engine, and a biasing mechanism for placing a brake rocker arm at an avoidance posi...
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WO/2023/158902A1 |
An engine valve actuation system (28) includes engine braking rocker arms (34) each having a hydraulically actuated switch (36), and an electrohydraulic control system (42) including an actuation fluid supply (44), an electrically actuat...
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WO/2023/156899A1 |
A phase change system for opening and/or closing at least an intake valve in the internal combustion engine of a saddle vehicle, comprising a rocker pivoting around a pivot axis and adapted to transform the rotary motion of a camshaft in...
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WO/2023/151742A1 |
The invention relates to a method for operating a reciprocating piston engine (1) having a valve controller, said method comprising five operating phases (Ph1, Ph2, Ph3, Ph4, Ph5), namely the regular combustion engine operation (Ph1), a ...
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WO/2023/151871A1 |
An exhaust valve rocker arm assembly selectively operable in an engine braking mode includes a rocker arm and a valve end configured to selectively act on a valve bridge to engage a first and a second exhaust valve. The valve end include...
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WO/2023/148141A1 |
The invention relates to a motor vehicle variable valve timing control system, comprising: • - a position learning module (Ml) for determining positions of teeth of at least one camshaft target, • - a stability estimating module (M2)...
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WO/2023/147226A1 |
A method of operating a vehicle including an engine includes suspending operation of the engine during operation of the vehicle including stopping fueling of the engine. The method includes accelerating the engine to a high-speed startin...
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WO/2023/143874A1 |
An integrated exhaust rocker arm assembly capable of selectively enabling an engine braking mode includes an inner body, an outer body, and a switchable system for selectively operatively coupling the outer body to the inner body. The in...
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WO/2023/129804A1 |
An internal combustion engine system includes an engine with a plurality of pistons housed in respective ones of a plurality of cylinders. A valve train is provided for opening and closing intake and exhaust valves of the cylinders durin...
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WO/2023/116964A1 |
The invention relates to an internal combustion engine (1) having a plurality of camshaft control units (6, 21, 22, 23, 24) which are connected to one another in a line by a first network topology (16) and via which a crankshaft signal c...
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WO/2023/104342A1 |
A switching roller finger follower assembly (100) for use in an engine. The assembly including a bracket assembly including a first bracket (140) and a second bracket (110) that are pivotably connected to each other. The first bracket (1...
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WO/2023/104343A1 |
A compression latch system assembly includes a latch system assembly (300) that includes a plate (302) having a first side end (304) and a second side end (306). The plate (302) may be placed between a valve side rocker arm (102) and a c...
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WO/2023/102346A1 |
An internal combustion engine system includes an engine with a plurality of cylinders, a fueling system to provide fuel to the plurality of cylinders, an air intake system to provide air to the plurality of cylinders through respective o...
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WO/2023/099037A1 |
A valve bridge assembly for an engine includes a main body configured to engage a distal end of at least one valve stem. A receiving body is movably disposed within a cavity of the main body between a first position and a second position...
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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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