Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 26,563

Document Document Title
WO/2024/052587A1
The cylinder head (1) comprises an inlet channel (3), an exhaust channel (4), intake valve holes (5A, 5B), exhaust valve holes (6A, 6B), a cooling liquid cavity (16) and an integral ex-tension (13) formed on an exhaust side (12) of the c...  
WO/2024/046814A1
The present invention relates to a cylinder head cover comprising an axial bearing (4) for a camshaft (3) which is rotatably accommodated in the cylinder head cover, the camshaft (3) comprising at least one functional component (34, 35),...  
WO/2024/039644A2
An engine system and method of operation therefor are provided. The system is a two-stroke internal combustion engine having an exhaust valve assembly that controls the exhaust cycle relative to crankshaft timing. The exhaust valve assem...  
WO/2024/020664A1
Proposed is a common drive for a power take-off device and a valvetrain, intended for use in a four-cylinder internal combustion engine and having cylinders located at the corners of a square. The claimed common drive comprises four plan...  
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...  
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...  
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...  
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...  
WO/2023/242501A1
The present invention concerns the production of carbon-free thermal energy by reciprocating engines. It relates to a compression auto-ignition combustion method. This method is best implemented in a highly turbocharged 2-stroke cycle de...  
WO/2023/242446A1
The invention relates to an electromechanical system comprising: at least one double-sided cylindrical axial cam (2) provided with at least one elevation (2.1); valves (7) associated with the at least one cylindrical axial cam (2), to wh...  
WO/2023/238418A1
Provided is an opposed-piston system, in which an intake compression cylinder (1) and an expansion exhaust cylinder (2) are individually provided, and a rotating perforated columnar valve (3) and an ignition combustion chamber (4) are fo...  
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...  
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...  
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...  
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...  
WO/2023/214461A1
This valve timing adjustment device (100A, 100B, 100C) comprises: a first rotating body (10) that rotates in conjunction with the rotation of a crankshaft of an internal combustion engine; a second rotating body (20, 20B, 20C) that is tu...  
WO/2023/210130A1
This control valve is provided with: a cylindrical valve body 27 having a plurality of retard ports 34 and advance ports 35 formed therein; and a spool valve 29 provided to be axially movable inside a valve hole 27a formed inside the val...  
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 ...  
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...  
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...  
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 (...  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
WO/2023/168566A1
The present invention relates to a cam phase regulator assembly. The cam phase regulator assembly comprises a stator, a rotor, and an engine oil control valve, the rotor is rotatably mounted on the radial inner side of the stator, the en...  
WO/2023/160879A1
A compliance spring assembly (50, 150) for applying a biasing force to a cam side (24) of a rocker arm (20A, 20B, 20C, 20D) to bias the cam side toward an adjacent cam (14). The compliance spring assembly includes a spring guide (52, 152...  
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...  
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...  
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...  
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...  
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...  
WO/2023/154505A1
Fiber-reinforced polymer (FRP) tappets or lifters and methods of designing and producing tappets are described. The methods described herein provide FRP tappet having reduced mass compared to conventional metal tappets thereby increasing...  
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)...  
WO/2023/141898A1
A cam phase adjuster, comprising a stator (10), a sprocket wheel (20) and a buffer gasket (30), wherein the sprocket wheel (20) radially protrudes from an outer side face of the stator (10), and the buffer gasket (30) surrounds the outer...  
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...  
WO/2023/142279A1
A hydraulic lash self-adjusting special-use drive cam combination-type valve driving device, which comprises a driver (1) fixedly mounted on a rocker arm shaft (16) and a rocker arm (3) provided with a hydraulic lash adjuster (6); the dr...  
WO/2023/139909A1
A sliding member according to the present invention is used in the presence of a lubricant and comprises a sliding surface formed from a base material and a recessed portion provided in the sliding surface, the sliding surface satisfying...  
WO/2023/138716A1
The invention relates to a switchable rocker arm (1) of a valve gear of an internal combustion engine, comprising an outer and an inner lever (2, 3), wherein a valve stem assembly (8) and a pivot bearing (10) are formed on an underside (...  
WO/2023/131898A1
Systems for valve actuation in internal combustion engines provide for control of rocker arms and other valvetrain components by utilizing biasing and stroke limited components. Such features may be implemented in any valvetrain componen...  
WO/2023/133209A1
A technique for testing a pushrod valvetrain in an engine includes replacing an original pushrod with an instrumented pushrod (IPD) which includes a sensor configured to measure strain and/or motion. The engine is then operated, and the ...  
WO/2023/127450A1
The present invention includes a first lead wire 60 extending from an end of a first winding part 51a, a second lead wire 61 extending from an end of a second winding part 51b, and a third lead wire 62 extending from an end of a third wi...  
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...  
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...  
WO/2023/117139A1
A pump actuator for use between a cam and a pump comprises a pump actuator body having a pad defined between a plunger facing surface and an opposite roller facing surface, where the plunger facing surface is recessed into the pump actua...  
WO/2023/113719A1
The invention relates to the laboratory-type trieur machine (1), which is used to determine the physical properties of the products to be processed in the facilities such as pollution, fullness, and foreign matter ratio, which has small ...  
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...  
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...  

Matches 1 - 50 out of 26,563