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Matches 1 - 50 out of 4,558

Document Document Title
WO/2019/100199A1
A hydraulic gas distribution device for an internal combustion engine, a driving method thereof, and an internal combustion engine. The hydraulic gas distribution device comprises a reciprocating hydraulic pump (1); a first load (2), and...  
WO/2019/086492A1
The invention relates to a valve train assembly comprising : - a number of valves each having a valve stem; - at least one camshaft; - at least a first and second cam per valve arranged on the at least one camshaft; - first and second ca...  
WO/2019/069000A1
The hydraulic actuator for a regeneration valve (1) comprises a high-pressure cell (5) which is supplied by a high-pressure hydraulic supply pump (2), an actuation thrustor (6) which defines a hydraulic actuator chamber (7) in order to a...  
WO/2019/050463A1
The invention relates to an internal combustion engine comprising a set of combustion chambers, each combustion chamber (2) being provided with a controllable intake valve (7) configured for opening and closing an intake port (8), a cont...  
WO/2019/050464A1
The invention relates to an internal combustion engine comprising a set of combustion chambers, each combustion chamber (2) being provided with a controllable intake valve (7) configured for opening and closing an intake port (8), a cont...  
WO/2019/038470A1
The method of detecting abnormal closing timing or malfunction of one or more intake valves (3) of a cylinder (2) of a piston engine (1) comprises the steps of measuring cylinder pressure in the cylinder (2) at least at two different cra...  
WO/2019/008445A1
An engine valve lifter assembly comprises a lifter body, a plunger assembly, and a spring. The lifter body comprises an oil control portion comprising an exterior surface, oil ports, and an interior oil chamber. A plunger interface end c...  
WO/2019/010412A1
Embodiments disclosed herein relate to internal combustion engines, combustion systems that include such internal combustion engines, and controls for controlling operation of the combustion engine. The internal combustion engine may inc...  
WO/2018/236804A1
A normally closed fast-acting solenoid valve is provided that prevents hydraulic fluid leakage from a fluid gallery of a hydraulic system in a de-energized state. The solenoid valve includes a bobbin, an armature, a yoke, a core, a push ...  
WO/2018/236595A1
A cam phasing control motor assembly, including: an electric motor with a hollow drive shaft; an actuating pin passing through the hollow drive shaft; an engagement feature; and a displacement assembly. For a camshaft locking mode: the d...  
WO/2018/224721A1
The fluid distribution element (1 ) for an internal combustion engine is made of a casting and comprises at least two fluid channels (1 1, 12, 13, 14, 15, 16, 17, 18, 19, 20) from the following group: air channel (1 1 ) for starting air ...  
WO/2018/220372A1
An actuator for operating a poppet valve (30) of an internal combustion engine. The actuator comprises a rotary portion (4) and a body portion (2), and the rotary portion defines a cam surface (50, 60). A cam follower (10) is engaged wit...  
WO/2018/215335A1
The aim of the invention is to ensure that a hydraulic drive (10) for accelerating and braking a gas exchange valve (20) of internal combustion engines or other reciprocating engines operates in a simple, reliable and recuperative manner...  
WO/2018/217536A3
A valvetrain suitable for an internal combustion engine that includes a combustion chamber, a moveable valve having a seat formed within the combustion chamber, and a camshaft includes a latch assembly and a rocker arm assembly. The rock...  
WO/2018/215093A1
The invention relates to a device which is used to adjust the valve stroke of internal combustion engines and has an actuation element (7) for the valve stem. The actuation element (7) is actuated by the camshaft (5) and has a receiving ...  
WO/2018/217536A2
A valvetrain suitable for an internal combustion engine that includes a combustion chamber, a moveable valve having a seat formed within the combustion chamber, and a camshaft includes a latch assembly and a rocker arm assembly. The rock...  
WO/2018/208857A1
A valvetrain includes a rocker arm assembly and a power transfer module that provides power to the rocker arm assembly. The power transfer module includes a mounting frame and a leaf spring. The mounting frame holds the leaf spring again...  
WO/2018/185947A1
[Problem] A reciprocating engine, in which hydraulic pressure generated by a positive displacement pump driven by an internal combustion engine causes a valve cylinder to cyclically actuate and a gas exchange valve to open and close, has...  
WO/2018/182491A1
Herein a four-stroke internal combustion engine (2) is disclosed. A camshaft (25) and a crankshaft (20) if the engine (2) are synchronised to rotate at a same rotational speed. A first linkage arrangement (40) is configured to change the...  
WO/2018/182492A1
Herein a four-stroke internal combustion engine (2) is disclosed. A camshaft (25) and a crankshaft (20) of the engine (2) are synchronised to rotate at a same rotational speed. A first linkage arrangement (40) is configured to change the...  
WO/2018/166612A1
Invention relates to a control arrangement (20) for a gas exchange valve (12) adapted between a cam device (18) and the gas exchange valve (12) in an internal combustion piston engine (100), comprising a mechanical limiter (42) configure...  
WO/2018/149333A1
Provided is a valve lift control device of hydraulic fully variable valve mechanism and an internal combustion engine. When a plunger (3-2) of the valve lift control device moves up to a point where a circumferential annular groove (3-2-...  
WO/2018/141676A1
Apparatus (10) for a hydraulic valvetrain system (90) comprising: a first oil retaining means 5 (12), a second oil retaining means (20) and an oil conveyance means (14, 16) having a first end (18) operably connected to the first oil reta...  
WO/2018/108778A1
The invention relates to a valve drive (3) for an internal combustion engine (1), comprising at least one gas exchange valve (5, 5'); a first mechanically driven drive mechanism (9, 9'); and a second drive mechanism (17, 17') which is co...  
WO/2018/085517A2
An engine valve actuation system for an internal combustion engine that includes a cylinder head mounted to a cylinder block to form at least one combustion chamber, the engine valve actuation system including a first valve movable betwe...  
WO/2018/085517A3
An engine valve actuation system for an internal combustion engine that includes a cylinder head mounted to a cylinder block to form at least one combustion chamber, the engine valve actuation system including a first valve movable betwe...  
WO/2018/065775A1
A rotary electromagnetic actuator (2) includes a biasing assembly (30) for applying a torque to its rotor (4). Such an actuator may be used to operate a poppet valve of an internal combustion engine. The biasing assembly is moveable betw...  
WO/2018/065774A1
A rotary electromagnetic actuator (2) includes a biasing assembly (30) for applying a torque to its rotor (4). Such an actuator may be used to operate a poppet valve of an internal combustion engine. The biasing assembly is switchable be...  
WO/2018/065252A1
A method (50) of controlling an electromagnetic valve actuator (400) having a rotatable camshaft (404) for actuating a valve (440) of an engine (20), the method (50) comprising: scheduling (52) a valve lift event comprising an opening ph...  
WO/2018/065198A1
A method for determining an opening time (tö) at which a solenoid valve (37) which has a coil (41) opens completely is disclosed, wherein the method comprises: in a first phase (B) of an opening process, applying a predefined voltage (2...  
WO/2018/065010A1
What is proposed is a hydraulics unit for an internal combustion engine with a hydraulically variable gas exchange valve gear, comprising: – a hydraulics casing (4) with a pressure chamber (5), a pressure relief chamber (6) and a venti...  
WO/2018/065386A1
A desmodromic valve train (20) for an engine (40), comprising a valve actuator (100) arranged to actuate a valve (400) independently of the crank angle of the engine (40), wherein the desmodromic valve train (20) comprises: a load path a...  
WO/2018/065011A1
The invention relates to a hydraulically variable gas exchange valve train (1) of an internal combustion engine comprising: - a master piston (3) actuated by a cam (2), - a slave piston (4) actuating the gas exchange valve (1), - and a v...  
WO/2018/065767A1
A rotary electromagnetic actuator (2) includes a biasing assembly (30) for applying a torque to its rotor (4). Such an actuator may be used to operate a poppet valve of an internal combustion engine. The rotor defines a cam surface (14) ...  
WO/2018/063979A1
A valve train assembly (16) includes a fuel injector (1), an intake rocker lever assembly (10), and an exhaust rocker lever assembly (14). The intake and exhaust rocker lever assemblies (10) can include an eccentric hydraulic lash adjust...  
WO/2018/059627A1
An internal combustion engine having a hydraulically variable gas exchange valve train is proposed, which gas exchange valve train comprises the following: - a hydraulic housing (4) with a pressure chamber (5), a pressure relief chamber ...  
WO/2018/059624A1
The invention proposes an electrohydraulic valve train for the variable opening actuation of two gas exchange valves (1, 2) of a cylinder in an internal combustion engine, comprising: - a master piston (5) and a pressure chamber (9) deli...  
WO/2018/064346A1
An evaporative emissions isolation module system configured to manage venting on a fuel tank system is disclosed. The isolation module system includes a carbon canister, a multi-valve assembly and a controller. The carbon canister is ada...  
WO/2018/063055A1
The invention relates according to a first aspect to a multi-way valve comprising a control pressure channel (5), a first control fluid channel (12) extending between a first opening (13) and said control pressure channel (5), a second c...  
WO/2018/036669A1
The present invention provides a variable valve lift system (3) for an automotive internal combustion engine (2), the variable valve lift system comprising: a high pressure chamber (4, 5) configured to receive a fluid for controlling the...  
WO/2018/019457A1
An apparatus 6 for controlling lifting of inlet poppet valves of at least one combustion chamber 5 of an internal combustion engine 2, the apparatus 6 comprising: a first piston 8 arranged to be actuated to control a lift of a first inle...  
WO/2018/019718A1
An apparatus (201) and method for controlling intake valves (23) in an internal combustion engine (5), as well as an internal combustion engine and a vehicle comprising the apparatus, and an electronic processor for performing the method...  
WO/2018/002409A1
The gas exchange valve arrangement for a piston en- gine comprises at least one gas exchange valve (1), a cam (2) for operating the valve (1), and force trans- mission means (3, 4, 5, 6, 7, 8, 9) between the cam (2) and the valve (1). Th...  
WO/2017/220314A1
An apparatus (3) for controlling poppet valves in an internal combustion engine (5), comprising: a first piston (21a), arranged to control a lift of a first inlet poppet valve (23a) of a first combustion chamber (25a); a second piston (2...  
WO/2017/213566A1
Herein a four stroke internal combustion engine (2) comprising at least one cylinder arrangement (4), a crankshaft (20), a camshaft (25), and a turbine (8), is disclosed. The camshaft (25) is synchronised with the crankshaft (20) to rota...  
WO/2017/204769A3
In internal combustion engines, there is a inlet / exhaust valve (1) comprising a valve head (71) which controls the intake of the air-fuel mixture or only the intake of the air into the combustion chamber and the discharge of the burned...  
WO/2017/204769A2
In internal combustion engines, there is a inlet / exhaust valve (1) comprising a valve head (71) which controls the intake of the air-fuel mixture or only the intake of the air into the combustion chamber and the discharge of the burned...  
WO/2017/198923A1
The invention is mainly directed to a method for controlling an electromagnetic valve actuator (9) of a combustion engine, with no compression spring, characterised in that said method comprises: - a step for calculating, from a cranksha...  
WO/2017/187456A3
A vent apparatus (100) includes a housing (102), a plunger (104) and a biasing mechanism (104). The plunger (104) has a first portion (104a), a second portion (104b) and a stem portion (104s) connecting the first portion (104a) and the s...  
WO/2017/182473A1
The invention relates to an actuator device, comprising at least one static unit (10a; 10b), at least one electromagnetic actuator element (12a-d; 13d) that is movable relative to the static unit (10a; 10b), and at least one shape memory...  

Matches 1 - 50 out of 4,558