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WO/2021/213575A1 |
A rocker arm (33) of a valve train for an internal combustion engine with an arm body (34) of U-shaped cross section which consists of sheet metal has two parallel side walls (35, 36) and a base web (37) which connects the side walls (35...
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WO/2021/213703A1 |
A lost motion mechanism can comprise a castellation device, comprising a casing, an upper castellation, and a lower castellation. The casing can comprise a first linear slot and a second linear slot perpendicular to the first linear slot...
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WO/2021/210418A1 |
An operating oil control valve (10) is provided with an outer sleeve (30), an inner sleeve (40), and a spool (60), wherein: the outer sleeve includes a threaded portion (33) which is fastened to a camshaft (320), a protruding portion (35...
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WO/2021/204425A1 |
A switching roller finger follower (SRFF) assembly for valve actuation includes an outer arm and an inner arm pivotally coupled to the outer arm via a pivot axle and at least partially disposed within the outer arm. The inner arm is unit...
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WO/2021/197563A1 |
Invention relates to a camshaft assembly (10) for an internal combustion piston engine comprising an intermediate section (106) which has a number identically constructed segments (108) arranged on a common longitudinal axis (A), wherein...
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WO/2021/200310A1 |
An engine valve clearance anomaly detection device 100 that detects an anomaly in a valve clearance 102 of an engine valve 101 is provided with: a driving sound detection device 103 that detects a driving sound of the engine valve 101; a...
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WO/2021/196140A1 |
A housing (10) for a tappet. The housing (10) comprises, along the axial direction of the housing (10), a first section (11) located on a driving side and a second section (12) located on a driven side, the outer diameter of the first se...
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WO/2021/199354A1 |
In this valve mechanism of an internal combustion engine, rocker arm shafts (51, 52) include eccentric shaft portions (51c, 52c) having second axes (C51, C52) offset from first axes (C41, C42) of support shaft portions (51d, 52d). The va...
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WO/2021/193197A1 |
A hydraulic oil control valve (10) includes: a cylindrical sleeve (40) that has an opening at one end and a spring seat (42z) at the other end; a spool (50) that adjusts a supply destination of hydraulic oil in accordance with a position...
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WO/2021/192273A1 |
Provided is an internal combustion engine that can synchronize a fuel injection timing with an operating cycle of an internal combustion engine body with high precision.　The internal combustion engine comprises: a camshaft 94 that is s...
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WO/2021/191893A1 |
The present invention relates to the field of multi-channel valves adapted to provide specific flow patterns, and, more particularly, to multi-channel valves configured to provide continuous outflow.
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WO/2021/180315A1 |
Invention relates to a method of configuring a gas exchange valve assembly (10) in an internal combustion piston engine comprising providing a gas exchange valve (16), providing a valve seat (18), arranging an abrasive wearing overlay (2...
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WO/2021/176153A1 |
An aspect of the invention relates to a method (100) for determining closing angles of intake and exhaust valves of an internal combustion engine. The method (100) includes the following steps: - acquiring (101) a raw signal from two eng...
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WO/2021/176335A1 |
An internal combustion engine includes an engine block, a piston, a cylinder head, and a valve train. The engine block includes a cylinder block including a cylinder bore and a crankcase defining a crankcase chamber with a crankshaft pos...
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WO/2021/172263A1 |
A valve timing adjustment device (100a-100f) is equipped with: a hydraulic fluid control valve (10), which has a tubular outer sleeve (30a-30f) having on the outer circumference thereof a protruding part (35a-35f), an inner sleeve (40) a...
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WO/2021/170701A1 |
Disclosed is a method for assembling a camshaft drive of an internal combustion engine, having the following steps: i. providing the camshaft drive, preassembled on a baseplate, with a powertrain, which rests in an interlocking manner on...
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WO/2021/165993A1 |
The present subject matter relates to a power unit with variable valve timing system. The power unit (100) comprises a cylinder head assembly (102). A variable valve timing system provided on the cylinder head assembly (102) comprises a ...
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WO/2021/164948A1 |
A castellation assembly comprises a lost motion spring assembly, an upper castellation piece, and a lower castellation piece. A spring hat comprises a crown, a pin hole through the crown, and a brim. A lost motion spring is seated agains...
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WO/2021/164950A1 |
Several devices are disclosed that can be usable together or used in other valvetrains. Disclosed herein are a rocker arm assembly, compliance capsules for a switchable capsule of the rocker arm, actuators, and support structures for the...
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WO/2021/164947A1 |
A rocker arm assembly can comprise a rocker tube configured to be positioned around a rocker shaft, the rocker tube comprising a retention mechanism. A first rocker arm can be press-fit to the rocker tube. A second rocker arm can be pivo...
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WO/2021/165181A1 |
Disclosed is a toothed wheel forming a camshaft position sensor target. It comprises a circular body provided with two opposite main faces and is equipped with teeth on its circumference. The series of teeth comprises eight teeth, each t...
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WO/2021/164949A1 |
A castellation device comprises a shaft surrounded by three castellation members. A first castellation member is rotatably mounted on the shaft and comprises a first end and a second end opposite to the first end. A second castellation m...
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WO/2021/165919A1 |
A valve actuation system comprises a first motion transfer mechanism operatively connected to a first valve actuation motion source and to the at least one engine valve, a second motion transfer mechanism operatively connected to a secon...
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WO/2021/161499A1 |
The objective of the present invention is to provide a valve timing adjusting device with which controllability is improved by suppressing hysteresis, and with which durability can be improved. This valve timing adjusting device for adju...
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WO/2021/156008A2 |
A valvetrain assembly comprises a deactivatable rocker arm where a pushrod is configured to transfer a valve lift profile through to a valve end to a valve or valve bridge. A castellation assembly in a carrier and alternative two-piece r...
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WO/2021/151427A1 |
The invention relates to a shaft adjuster, in particular a camshaft adjuster, comprising a drive gear (2) having a spur gear toothing (3) and a clamping gear (4) which is arranged coaxially relative to the drive gear (2) and which is loa...
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WO/2021/148199A1 |
The invention relates to a variable-stroke valve drive with a double leg spring in a cylinder head of an internal combustion engine. The valve drive comprises a pivoting lever, a rolling element of which with a rotational pivot point is ...
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WO/2021/148243A1 |
A switching roller finger follower (SRFF) assembly for valve actuation comprises an outer arm, an inner arm, an inner roller, a bearing axle and a pair of outer rollers. The outer arm is pivotally coupled to a pivot axle. The inner arm i...
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WO/2021/144147A1 |
An engine brake rocker arm assembly for a valvetrain and operable in an engine drive mode and an engine braking mode. The assembly is configured to selectively open one of first and second exhaust valves in the engine braking mode and in...
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WO/2021/144595A1 |
Internal Combustion Engine consisting of a rotating gear (1) driven by a crankshaft (29) via transmission arrangement (30). Rotating driven gear (1 ) is equipped with inlet (5) and outlet ports (4) in its cylindrical part (3) and is inst...
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WO/2021/143995A1 |
A valvetrain for an internal combustion engine includes a moveable valve having a seat formed in a combustion chamber, a rocker shaft, a camshaft, a rocker arm assembly, and an electromagnetic latch assembly. The rocker arm assembly incl...
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WO/2021/144148A1 |
A latch assembly comprises a latch pin configured to reciprocate in a latch bore. The latch pin comprises a main body comprising a first plug end, a second plug end, and a clearance between the first plug end and the second plug end. The...
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WO/2021/142261A1 |
Described is an electrically actuated, pneumatic driven motor. The pneumatic driven motor includes a body having first and second surfaces, the body having a chamber defined by an interior wall, a displacement cavity, and a passage that ...
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WO/2021/134484A1 |
A hydraulic lash adjuster for a valve mechanism. The hydraulic lash adjuster comprises a cylindrical housing (1) and a plunger (2). The housing (1) has a closed end (11) and an open end (12). A first end (24) of the plunger (2) is insert...
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WO/2021/131190A1 |
This adjustable valve mechanism is provided with: a cam that rotates about a rotating axis in conjunction with rotation of an engine crank shaft; a rocker arm provided between the cam and a valve and which rocks by being pressed by the r...
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WO/2021/122046A1 |
The invention relates to a valve actuating device (1) having at least one first rocker arm (6) which is pivotable between a first starting position and a first actuating position, having a valve bridge (10) that is movable between a seco...
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WO/2021/121667A1 |
A rocker shaft assembly configured to support a rocker arm and deliver oil to the rocker arm and related method of making is provided. The rocker shaft assembly includes a core shaft and a sleeve. The core shaft has a core body including...
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WO/2021/125073A1 |
A first locking hole (24) which is provided in an inner side surface (5d) of a sprocket main body (5) and into which a distal end portion (28a) of a first lock pin (28) can be removably inserted includes a second bottom surface (24b) whi...
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WO/2021/126210A1 |
A tappet roller assembly in which a roller shoe has a roller bore shaped to receive and retain a roller. The roller is sized and configured to rotate within the roller bore. The roller shoe may have a lubricating passage extending from a...
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WO/2021/125072A1 |
A valve timing control device is provided with: a lock pin accommodation hole 26 provided on a large-diameter part 15A of a vane rotor 9; lock pins 28 and 29 arranged inside the lock pin accommodation hole; and a lock hole 24 provided on...
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WO/2021/115711A1 |
The invention relates to a lift regulator (10) for a variable lift valve gear (1), comprising an adjuster cam (NK) arranged around an axis of rotation (21) of the lift regulator for deflecting a lift adjustment (4) of the valve gear on r...
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WO/2021/110250A1 |
Invention relates to an assembly (10) for transmitting force from a rocker arm (14) to an end of two valve stems (16) in an internal combustion piston engine, comprising a guide part (18) and a yoke part (20), wherein the guide part (18)...
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WO/2021/110286A1 |
A rocker arm can comprise a body panel comprising a reaction opening, a valve end and a pivot end. The reaction opening can comprise a first reaction seat and a second reaction seat. A first pivot can be positioned in the first reaction ...
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WO/2021/111197A1 |
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/2021/109028A1 |
A roller tappet (100) comprises a main body (110) having an outer wall and an opening (1101) fromed on the outer wall, a roller bearing (120) rotatably arranged on the main body (110), an anti-rotation component (130) arranged in the the...
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WO/2021/104557A1 |
The invention relates to a camshaft adjuster (1) of the vane type for a motor vehicle drive train, comprising a stator (2), a rotor (3) arranged such that it can rotate relative to the stator (2), working chambers (4) formed between the ...
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WO/2021/105915A1 |
A camshaft (C1) for a multi-cylinder internal combustion engine with poppet valves (VRF1), comprising a main body (10), which is rotatable with respect to a first rotation axis, a first disk (11) and means of the hydraulic type for varyi...
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WO/2021/106892A1 |
A check valve section (70) has a valve seat hole part (712) into which a working oil flows, a valve seat (713) formed in the periphery of the valve seat hole part (712), a lateral hole part (75) formed so that an axis (Ax2) thereof inter...
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WO/2021/104559A1 |
The invention relates to a camshaft adjusting system (1) for a motor vehicle drive train, comprising a first camshaft adjuster (2) of the vane type, wherein the first camshaft adjuster (2) has a reservoir (5) for storing hydraulic medium...
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WO/2021/106893A1 |
An oil passage hole portion (61) internally forms a portion of an oil feed passage (101). A check valve portion (70) has a valve seat portion (71), which is a member that is press fitted into the oil passage hole portion (61), and allows...
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