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WO/2022/250597A1 |
A method (100) of controlling inlet valves (18) and exhaust valves (24) of a cylinder (10) of an internal combustion engine (1) to obtain an engine braking effect is disclosed. The method (100) comprises the steps of preventing (110) at ...
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WO/2022/248082A1 |
A castellation assembly can comprise a castellation device comprising an upper crown and a lower crown configured to selectively lock and unlock. At least one of the upper crown and the lower crown comprises outer pinion teeth. A plunger...
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WO/2022/242850A1 |
A rocker arm assembly can comprise a rocker arm. A rocker shaft comprises a channel and an oil path enclosed in the rocker shaft. The oil path is configured to supply hydraulic pressure within the rocker shaft to the channel. Rotation-lo...
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WO/2022/242910A1 |
The present invention pertains to a camshaft segment (10) for a camshaft (100) of a gas engine. The camshaft segment comprises a shaft (12) having at least one cam (110) mounted thereto and a flange (14) comprising a first flange recess ...
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WO/2022/237768A1 |
A brake rocker arm assembly, relating to the technical field of engine braking. The brake rocker arm assembly comprises an exhaust rocker arm (2), a one-way mechanism (27), and an execution mechanism (28), wherein the one-way mechanism (...
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WO/2022/234858A1 |
Provided is an engine device for an unmanned flying object, the engine device giving the aircraft body a favorable weight balance and being capable of cancelling out gyro effects and capable of autorotation of propellers.　The engine de...
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WO/2022/228732A1 |
A combined exhaust and engine brake rocker arm assembly (20) configured to selectively open first and second exhaust valves (26, 28) includes a rocker arm body (40), an exhaust rocker arm assembly (16) formed in the rocker arm body (40),...
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WO/2022/228725A1 |
The present invention refers to an exhaust valve actuation unit (26) for a multi -valve engine (10), comprising a rocker arm (46) pivotably actuatable by a camshaft (40) and a valve bridge (58) connected to the rocker arm (46), wherein t...
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WO/2022/218573A1 |
A switchable castellation assembly can include a lost motion shaft, the lost motion shaft being configured to transfer a lift profile to a valve end. A switchable castellation device can comprise a rotatable first spline bushing and a sp...
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WO/2022/218574A1 |
A switching roller finger follower (SRDD for valve actuation includes an outer arm assembly, an inner arm, a bearing axle and a latch pin. The outer arm assembly can be pivotally coupled to a main axle. The outer arm assembly can compris...
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WO/2022/221645A1 |
An internal combustion engine may include a first piston reciprocatingly disposed in a first cylinder, and a second piston reciprocatingly disposed in a second cylinder. A crankshaft may be coupled with the first piston and the second pi...
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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/2022/218114A1 |
Disclosed is an engine four-stroke braking system, which employs a dedicated exhaust braking rocker arm (22) or an integrated exhaust braking rocker arm to generate an exhaust valve motion for engine braking. Conventional air intake and ...
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WO/2022/216269A1 |
A hydraulic fluid control valve (HFCV) configured to recirculate an exiting hydraulic fluid from a first hydraulic actuation chamber to a second hydraulic actuation chamber is provided. The HFCV includes a selectively movable spool havin...
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WO/2022/213431A1 |
A continuously variable valve lift control device, comprising a valve assembly (101), an adjusting cam (102), a rocker arm (103) and a driving cam (104), wherein the rocker arm (103) can swing around a first end portion (105) of the rock...
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WO/2022/204401A1 |
A compression-release engine brake system (10) operating an exhaust valve of an engine during a compression-release engine braking operation. The compression-release brake system comprises an exhaust rocker arm (14) and a brake reset dev...
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WO/2022/195714A1 |
Provided is a valve timing adjustment device with which slipping of an assist spring is minimized, disengagement is prevented, and the assist spring is easy to assemble. This valve timing adjustment device adjusts the timing at which an ...
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WO/2022/194407A1 |
The invention relates to a valve rotating device comprising: a valve stem seal (2) having a valve rotating device (6); a cylinder head support (8); and a spring support (10) intended to rest against a valve spring during operation. The v...
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WO/2022/197602A1 |
A hydraulic fluid control valve (HFCV) configured to recirculate an exiting hydraulic fluid from a first hydraulic actuation chamber to a second hydraulic actuation chamber is provided. The HFCV includes a selectively movable spool havin...
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WO/2022/194584A1 |
The invention relates to a valve drive (10) for an internal combustion engine, comprising at least one outlet valve (12), having at least one engine brake rocking lever (16) that can be pivoted about a pivot axis (20), by means of which ...
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WO/2022/189042A1 |
A variable valve lift rocker arm assembly (1) can include a latching axle assembly (30, 908) comprising a roller latch assembly (61) and a first latch receiver assembly (62, 916); an outer body (11) configured to rotate around a rocker s...
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WO/2022/190569A1 |
A sprocket 1 comprises: a sprocket main body 1a having, in the outer periphery, a plurality of outer gear portions 1b around which a timing chain 4 is wound; an internal gear constituting member 5 fixed to the sprocket main body in abutm...
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WO/2022/190773A1 |
A crimping tool according to the present invention is provided with at least a pair of crimping members and is configured such that a part to be crimped is sandwiched in a crimping direction, which is a direction perpendicular to the axi...
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WO/2022/190568A1 |
This control valve comprises: a tubular valve body (13) having an advance port (35) and a retard port (34); a tubular spool valve (31) slidably disposed in the inner periphery of the valve body (13) and provided with eight one-end-side s...
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WO/2022/184327A1 |
A bidirectional latch pin assembly can comprise a housing portion comprising a latch port. A latch pin in the latch port can comprise a stepped nose extending from a body portion. The stepped nose can comprise a first step and a second s...
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WO/2022/181017A1 |
An internal-gear component 5 formed as a separate body from a sprocket 1 has: an axial-direction contact surface 5b that abuts against a bottom surface 6a of a ring-shaped recessed section 6 formed at an inner circumferential side of an ...
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WO/2022/179918A1 |
The invention relates to a valve bridge (42) for a valve train (10), comprising: a bridge actuation region (44), via which the valve bridge (42) can be actuated by means of a first rocker arm (32) and can thus be moved in a first actuati...
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WO/2022/180296A1 |
The present invention relates to the field of monitoring and maintenance of mechanical systems. A method of the present invention uses a torsional vibration model of the mechanical system, such as an internal combustion engine, and senso...
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WO/2022/176254A1 |
This electric valve timing control device controls an electric valve timing device that changes a valve timing by changing, via a motor linked to a camshaft, the relative rotation phase of the camshaft with respect to a crankshaft of an ...
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WO/2022/174275A1 |
The invention relates to a valve-actuating device (100) for actuating at least one valve of a reciprocating piston engine, having a first (210) and a second actuating lever (211) which are rotatably mounted about a common rotational axis...
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WO/2022/170981A1 |
Provided is an engine rocker arm mechanism, comprising a first rocker arm (10), a second rocker arm (210), and a connection mechanism (100). One end of the first rocker arm (10) and one end of the second rocker arm (210) are rotatably co...
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WO/2022/171260A1 |
A valvetrain assembly comprising a first body and a second body, wherein the second body comprises a first wall and a second wall. The valvetrain assembly further comprises a first latch pin, wherein the first latch pin is configured to ...
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WO/2022/172240A1 |
The valve system (1), associable with an appliance (2) provided with one working chamber (3) and with one transit channel (4) of a fluid communicating with the working chamber (3) through one transit opening (5), comprises: - one valve d...
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WO/2022/159095A1 |
Apparatuses and techniques for reducing backlash between components in a transmission system are provided. The apparatuses and techniques provide a controllable torque over a target range of motion of a component in the transmission syst...
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WO/2022/157005A1 |
A latch assembly and valvetrain therewith can comprise a stationary housing comprising a plunger cavity, a plunger in the plunger cavity, and a controllable upper latch member. The plunger can comprise a control end, a plunger body, a sp...
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WO/2022/152580A1 |
A shifting stopper latch assembly (2001) for a rocker arm (50, 60) can comprise a latch assembly housing (200), comprising a latch assembly oil feed, a piston bore (201), a stopper bore (203) comprising a stopper opening (204), and a spr...
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WO/2022/152581A1 |
A roller shifter (10) for a valvetrain (1) can comprise a shift bar assembly (20), a shift roller assembly (30), and a roller axle (310). The shift bar assembly can comprise a first and second limiter (23, 24), a first and second spring ...
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WO/2022/155651A1 |
All-stroke-variable internal combustion engines, that may include a piston slidably positioned within an engine cylinder for asymmetrical reciprocation and a primary crankshaft and a half- speed crankshaft to be operatively engaged for r...
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WO/2022/141637A1 |
A cam phase adjuster, comprising a stator (10) and a rotor (20); the stator (10) surrounds the radial outer side of the rotor (20), the stator (10) is provided with stator blades (12) extending radially inwards, the rotor (20) is provide...
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WO/2022/122073A1 |
The invention relates to a hydraulic camshaft phaser (2) for relative rotation between a camshaft (7) and a crankshaft, said camshaft phaser comprising two oppositely acting working chambers to which hydraulic medium pressure can be appl...
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WO/2022/125004A1 |
The present invention relates to the cladding valve mechanism that increases the operating efficiency of internal combustion engines characterized in that it comprises of outer valve (1) containing at least one slotted air duct (1.1) of ...
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WO/2022/116377A1 |
A self-resetting, single-valve, primary and auxiliary piston hydraulic drive device for use in a pushrod engine. A primary drive piston (130) and an auxiliary drive piston (420) are respectively arranged on a rocker arm body (110) and a ...
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WO/2022/116376A1 |
A self-resetting, single-valve, double-piston hydraulic drive device for use in an overhead cam engine. A primary drive piston (130) and an auxiliary drive piston (420) are respectively arranged on a rocker arm body (110) and a valve bri...
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WO/2022/111856A1 |
A rocker arm assembly (10) can comprise a latch assembly (300), a primary arm (100) configured to receive the latch assembly, and a secondary arm (200) configured to receive the latch assembly. The secondary arm comprises a secondary arm...
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WO/2022/111854A2 |
A switchable rocker arm can comprise a main body configured to rotate around a rocker shaft. The main body can comprise a valve end, and a cam end comprising a piston bore. A second body can comprise a pivot portion, a cam-receiving tran...
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WO/2022/112525A1 |
The invention relates to a sliding-cam camshaft arrangement for an internal combustion engine, having a first and second sliding-cam camshaft (1, 2), wherein each comprises a shaft (11, 21) and a sliding cam (12, 22) which comprises a sw...
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WO/2022/106907A1 |
Systems for valve actuation in internal combustion engines provide rocker control components in the form of biasing mechanisms for biasing the valve side of a lost motion rocker toward the engine valves. This may prevent gaps in the valv...
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WO/2022/104305A1 |
A valve train assembly is provided for modifying a lift of at least one intake valve and/or exhaust valve. The valve train assembly includes at least one tappet that is housed in a rocker housing with at least one rocker lever. The at le...
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WO/2022/100886A1 |
A latch assembly (500) can comprise a main latch pin assembly (531, 532) comprising a first diameter (D1) on a first main pin face (512, 522), and a secondary latch piston (541, 561) comprising a second diameter (D2) on a secondary pisto...
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WO/2022/089118A1 |
Disclosed in the present application are a motorcycle control method, apparatus and system, a motorcycle and a storage medium. The method comprise: acquiring a first wheel speed signal and a second wheel speed signal; calculating the dif...
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