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Patent Searching and Data


Matches 1 - 50 out of 15,336

Document Document Title
WO/2019/040860A1
A method of operating a rocker arm assembly in a cylinder deactivation mode according to one example of the present disclosure includes providing a two-step variable valve lift rocker arm assembly and a deactivating lash adjuster. Operat...  
WO/2019/037945A1
The invention relates to a valve drive for a cylinder head of an internal combustion engine, comprising a first camshaft which is rotatably mounted in a first and a second camshaft bearing and which comprises at least one cam with a firs...  
WO/2019/037942A1
The invention relates to a valve drive for an internal combustion engine, comprising a first camshaft which is rotatably mounted in a first and a second camshaft bearing and which comprises at least one cam with a first cam curve and a s...  
WO/2019/040733A1
An exhaust valve rocker arm assembly operable in a combustion engine mode and an engine braking mode, the exhaust valve rocker arm assembly selectively opening first and second exhaust valves and including a rocker shaft, exhaust valve r...  
WO/2019/037943A1
The invention relates to a valve drive for a cylinder head of an internal combustion engine, comprising a camshaft which is rotatably mounted in a first and a second camshaft bearing and which comprises at least one cam with a first cam ...  
WO/2019/036272A1
An exhaust valve rocker arm for an exhaust valve rocker arm assembly operable in a combustion engine drive mode and an engine braking mode, and configured to selectively open first and second exhaust valves, includes a body defining an a...  
WO/2019/030180A1
An actuation apparatus (3) for actuating a latching arrangement (40) of a switchable valve train component (2) of an internal combustion engine is disclosed. The actuation apparatus comprises a lever (33) for contacting an actuation sour...  
WO/2019/025511A1
The present invention relates to a coupling device for a valve-actuating device for actuating at least one valve of a reciprocating machine having variable valve lift, in particular for a valve-actuating device of a reciprocating interna...  
WO/2019/028424A1
Systems and methods for managing excessive intake flow path pressure and counter flow are implemented to support enhanced engine braking applications, such as 2-stroke or 1.5-stroke engine braking implementations where the intake flow pa...  
WO/2019/025294A1
It relates to a device for activating an engine braking mode, with first electromagnetic actuator means (14) which can be actuated to bring about an axial adjusting movement of a camshaft of the internal combustion engine into an engine ...  
WO/2019/028428A1
Systems and methods for managing excessive intake flow path pressure and counter flow are implemented to support enhanced engine braking applications, such as 2-stroke or 1.5-stroke engine braking implementations where the intake flow pa...  
WO/2019/027867A1
A method of operating an internal combustion engine having an electrical circuit that includes a connection closed by abutment between two distinct parts, one of which is mounted to a rocker arm of a rocker arm assembly and another that ...  
WO/2019/012432A1
A rocker arm can comprise a forked outer arm assembly and a T-shaped inner arm assembly comprising an inner arm body comprising a valve side, a latch side, a bearing hole on the valve side, and a latch body on the latch side, the latch b...  
WO/2019/007453A1
The invention relates to a variable valve drive (1) of a combustion piston engine with at least one gas exchange valve per cylinder, wherein each valve stroke is specified by a primary and secondary cam (7, 8) and transmitted to the gas ...  
WO/2019/008183A1
A dual body rocker arm (3a, 3b) for a valve train assembly of an internal combustion engine, the dual body rocker arm (3a, 3b) comprising: an outer body (7) comprising a protrusion (8a, 8b); an inner body (9) connected to the outer body ...  
WO/2019/010472A1
A valvetrain that includes an electronic device and a rocker arm assembly and is suitable for an internal combustion engine that includes a combustion chamber, a moveable valve having a seat formed within the combustion chamber, and a ca...  
WO/2019/010013A1
A method of operating an electromagnetic latch assembly of a type that includes an electromagnet and a latch pin that is stable independently from the electromagnet in both first and second positions includes energizing the electromagnet...  
WO/2019/008180A1
An actuator arrangement (100) for controlling a latching arrangement (13) of a dual body rocker arm, said dual body rocker arm comprising a first body (7) and a second body (9), said latching arrangement being controllable to latch and u...  
WO/2019/008182A1
A dual body rocker arm (3a, 3b), comprising: a first body (7), a second body (9); a latching arrangement (13) wherein the latching arrangement comprises: a latch pin (15) moveable between a first position in which it latches the first bo...  
WO/2019/007675A1
The invention relates to an adjusting device comprising a housing (1) and at least two electromagnetic linear actuators (2), wherein these each comprise a coil arrangement (3), which is fixed to the housing and extends around a coil axis...  
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/2019/008181A1
An actuator arrangement (100) for controlling a first latching arrangement (13) of a first dual body rocker arm (3a) for controlling an intake valve (40a) of an internal combustion engine, and for controlling a second latching arrangemen...  
WO/2019/008184A1
An actuator (569) for actuating a first latching arrangement of a first dual body rocker arm for controlling a first valve of a cylinder, and a second latching arrangement of a second dual body rocker arm for controlling a second valve o...  
WO/2019/003630A1
The purpose of the present invention is to provide an internal combustion engine in which decreases in fuel consumption and increases in size of a variable valve train are minimized, surging during high speeds does not readily occur, and...  
WO/2019/003628A1
The purpose of the present invention is to provide an internal combustion engine in which the active state of a valve can be switched, there is little wear of a cam and a rocker arm, a cylinder head can be reduced in size, and an amount ...  
WO/2019/003629A1
The purpose of the present invention is to provide an internal combustion engine in which it is easy to assemble a support member that swingably supports a rocker arm, and in which fretting wear, etc., due to floating of the support memb...  
WO/2018/233744A1
The invention relates to a deactivatable finger follower (1) for a valve train, comprising an outer main lever (3) and an inner secondary lever (4), which is framed by the arms (2) of the outer main lever, which levers (3, 4) are mounted...  
WO/2018/236392A1
An internal combustion engine system includes an engine with a plurality of pistons housed in respective ones of a plurality of cylinders, an air intake system to provide air to the plurality of cylinders through respective ones of a plu...  
WO/2018/224074A1
The invention relates to a hydraulic support element (2) for a switchable rocker arm of a valve train of an internal combustion engine, having a cup-shaped cylinder (4) with a base (12) arranged at the end of the cylinder, in which cylin...  
WO/2018/223803A1
A compact multi-mode valve driving system, belonging to the fields of engine valve driving, variable stroke engines and assisted braking. The system comprises a first camshaft (101) provided with a bearing bush (2), a second camshaft (10...  
WO/2018/224020A1
Disclosed is a control method for a continuously variable valve lift mechanism, the method comprising: controlling the continuously variable valve lift mechanism (100), so that same enters a limp home mode when the continuously variable ...  
WO/2018/223798A1
A dual-camshaft switch fulcrum-type variable mode valve driving system, belonging to the field of engine valve driving, cylinder deactivation and assisted braking. The system mainly comprises an intake and exhaust valve assembly, an exha...  
WO/2018/223804A1
Disclosed is a valve actuation system with variable modes, which system belongs to the fields of engine valve actuation, cylinder deactivation and auxiliary braking. The system comprises an exhaust brake cam (101), an exhaust drive cam (...  
WO/2018/224017A1
Disclosed are a valve mechanism, an engine, and a vehicle. The valve mechanism (1000) comprises: a valve (103), a camshaft (101), an intermediate swing arm (106), a lift adjustment mechanism and a roller assembly (112), wherein the inter...  
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/2018/213237A1
For a given cylinder in the engine having two intake valves and two exhaust valves, one of the intake valves is driven by a bucket tappet, while the other intake valve is actuated via a roller finger follower. Similarly, one of the exhau...  
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/2018/207019A1
A rocker arm assembly comprises an outer arm assembly comprising a pair of opposed outer arms joined by an outer arm body and joined by a shelf. Each of the pair of opposed outer arms further comprises exterior posts extending out from t...  
WO/2018/199313A1
[Problem] To achieve a reduction in pumping loss and an improvement in output in a 6-cycle internal-combustion engine. [Solution] When a piston 14 is descending after intake, compression, pre-stage ignition and combustion have occurred, ...  
WO/2018/195370A1
A valve operating system that includes a cam tube, a cam member, and a motion control ring. The cam tube is rotatable about an axis. The cam member is axially slidably but non-rotatably mounted on the cam tube and movable along the axis ...  
WO/2018/192821A1
The invention relates to a method for operating an internal combustion engine which has at least one cylinder (34) and at least two inlet valves paired with the cylinder (34), wherein the two inlet valves are actuated at least during a p...  
WO/2018/192822A1
The invention relates to a valve train device, in particular for an internal combustion engine (11), comprising a support element (12) secured to the housing and comprising at least one axially moveable cam unit (13) associated with a va...  
WO/2018/189704A1
Described is a valve tappet, comprising a rocker (2) oscillating about a respective axis (A) of oscillation for controlling the movement of at least one valve (3), an electrical operational element (5) supported by the rocker (2), the el...  
WO/2018/185197A1
The invention relates to a valve actuating device for actuating at least one valve of a reciprocating-piston engine, in particular of an internal combustion engine, with variable valve lift, having: a first rocker lever part with a pivot...  
WO/2018/184975A1
The present invention relates to an electromagnetic control device, in particular for adjusting camshafts or a camshaft section of an internal combustion engine, comprising an energisable coil unit (44), by means of which an armature (12...  
WO/2018/177499A1
The present invention relates to a rocker arm (16) for an internal combustion engine (12). The rocker arm (16) comprises a cavity (41) with a cavity wall (42) at least partially accommodating a lash adjustment piston (44) for hydraulic l...  
WO/2018/180558A1
Provided is an internal combustion engine that comprises: a decompression cam (112) that causes a curved protruding surface (129), which has a generating line that is parallel to a rotational axis of a cam shaft, to protrude from an imag...  
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/2018/183634A1
An engine brake test tool includes a fitting configured to be secured within a valve opening in an engine brake system, wherein the fitting includes a first opening configured to be placed into fluid communication with a pressurized flui...  
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...  

Matches 1 - 50 out of 15,336