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WO/2012/085377A1 |
The invention relates to a drive system comprising an internal combustion engine associated with at least one electromagnetic actuator controlled by an electronic circuit, said system including a thermal linking means connecting the elec...
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WO/2012/085367A2 |
The invention relates to an electromagnetic actuator comprising a housing (9) having several faces (20, 21) and an electronic control circuit (14) split into at least two parts (14a, 14b) distributed over at least two adjacent faces (20,...
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WO/2012/085417A1 |
The invention relates to the production of electromechanical actuators and in particular the protection of the electronic control circuits of these actuators in harsh environments. For this purpose, the invention relates to a device comp...
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WO/2012/085460A1 |
The invention relates to compact actuators that can be used, for example, in a motor vehicle. According to the invention, the electromagnetic actuator (3) comprises a casing (9) having multiple surfaces (20, 21) and an electronic control...
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WO/2012/085411A1 |
The invention relates to the production of electromagnetic actuators and, in particular, the protection of said actuators in harsh environments. More specifically, the invention relates to a device including a case (9) and a covering (40...
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WO/2012/085485A1 |
The invention relates to a method of manufacturing a system (21) comprising an electromagnetic actuator and a valve (24), this actuator comprising a fixed body (22) containing a mobile armature (23), a hydraulic stop (33) via which the v...
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WO/2012/085484A1 |
The invention relates to a method for controlling an electromagnetic actuator (1) of a valve (3), comprising two actuating coils (5, 6) between which there extends a vane (4) secured to a valve (3) push-rod (2), the method comprising a p...
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WO/2012/072878A1 |
The present invention relates to an arrangement and a method of operating a gas exchange valve of an internal combustion engine. The present invention discusses the operating of a gas exchange valve (102) of an internal combustion engine...
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WO/2012/072291A1 |
The invention relates to an electromagnetic actuating device (110, 310, 410) for a cam-side adjustable valve train of an internal combustion engine, having a housing comprising a housing upper part (111, 311, 411) and a housing lower par...
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WO/2012/069211A1 |
A hydraulic actuating system is proposed, in particular for gas exchange valves of reciprocating-piston internal combustion engines, having a pressure source for the hydraulic medium and having at least one pressure accumulator which can...
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WO/2012/054969A1 |
This Mechanism introduces a new concept for rotary valves used in fluid power transmission and control. It transforms the rotary motion precisely to axial straight motion. It can also be used as an actuator. There are two sensitive chamb...
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WO/2012/057672A1 |
A method and an arrangement for opening a valve (11) that is arranged for communicating with a space (10) with excess gas pressure phases, especially a cylinder space in an internal combustion engine. An opening movement is imparted to t...
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WO/2012/016827A1 |
A magnetic core (210) for a solenoid valve is provided. The magnetic core (210) includes a first part (210a) defining a cavity (213). The first part (210a) is formed from a first material having a first magnetic performance. The magnetic...
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WO/2012/015970A1 |
A system for actuating one or more engine valves for positive power operation and engine braking operation is disclosed. In a preferred embodiment, an exhaust valve bridge and intake valve bridge each receive valve actuations from two se...
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WO/2012/012973A1 |
A hydraulic self-adaptation variable valve timing system for a diesel engine (1) comprises an oil pump (7) connected to the power output shaft (6) of the engine (1), and a pressure-regulating reversing valve (8) connected to the oil pump...
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WO/2012/010081A1 |
Provided are an air distributing mechanism for an internal combustion engine with continuously variable valve lift and a control method therefor. The air distributing mechanism comprises: a cam (1) driven by a cam shaft, a rocker arm (2)...
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WO/2012/011832A1 |
The gas-distributing mechanism comprises input and output valves (2, 3) connecting input and output conduits (9, 10) to and disconnecting said conduits from a combustion engine chamber, piston bushings (14, 15) with valve pistons, a hydr...
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WO/2011/160910A1 |
The invention relates to a pressure modulator having a housing which comprises a winding wound on a winding carrier, an armature which is axially displaceable in a bearing, a core, and a flow-guide arrangement. Disposed in the pressure m...
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WO/2011/162714A1 |
The invention relates to an internal combustion engine for a vehicle. According to the invention the internal combustion engine comprises a working cylinder (2) comprising an inlet valve (6) and an adherent pneumatic inlet valve actuator...
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WO/2011/147741A1 |
The invention relates to a camshaft adjusting device (1) comprising at least two hydraulic chamber (A, B) disposed between a stator (3) and a rotor (4) and separated by a vane (5) and supplied with pressure oil from a pressure oil source...
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WO/2011/141920A2 |
It is provided an improved internal combustion engine unit. The engine unit has a piston moving in a cylinder enclosing cylinder volume, an intake valve controlling closing and opening of an intake aperture connecting the cylinder volume...
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WO/2011/137663A1 |
A driving device for an electromagnetic valve comprises a driving housing (1). An upper electromagnet assembly (2) and a lower electromagnet assembly (3),which are arranged up and down, are provided in the driving housing (1). The lower ...
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WO/2011/132321A1 |
The disclosed internal combustion engine is provided with: an exhaust valve (8) that has a flared head (55a); a cylindrical member (61) disposed in the region where the exhaust valve (8) is disposed; and a fluid spring (63) which biases ...
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WO/2011/124500A1 |
An internal combustion engine (1) having a crankshaft (2), having at least one camshaft (12) for actuating gas exchange valves (15, 104), and having a synchronous drive (9) which transmits the rotation of the crankshaft (2) to the camsha...
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WO/2011/125165A1 |
Disclosed is an intake/exhaust valve control device (1) for an internal combustion engine provided with a cylinder having an intake valve and an exhaust valve, said intake/exhaust valve control device being provided with solenoids (9-16)...
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WO/2011/117969A1 |
Disclosed is an internal combustion engine controller (1) which can simultaneously prevent the temperature of an engine control ECU (2) from rising to a high level and provide control to cut engine fuel. The controller (1), which control...
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WO/2011/092372A2 |
The inventive control arrangement comprises a feedback controller, in an iterative learning controller (1 ), and a delay controller (16). The feedback controller drives EHVA system. The EHVA systems means in this context the system neede...
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WO/2011/077162A1 |
A combustion management system for a combustion engine having at least one cylinder with an intake means comprising a sliding port valve and an intake solenoid poppet valve arranged in series and provided at a distance from the cylinder ...
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WO/2011/077119A2 |
A free-piston engine comprising an engine cylinder and a single piston member comprising a double-ended piston configured to move within the cylinder, wherein the piston member partitions the cylinder into two separate chambers, each of ...
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WO/2011/069836A1 |
The invention relates to an internal combustion engine (4) having an electrohydraulic valve control (1) for the variable lift drive of a gas exchange valve (3) wherein the hydraulic valve (15) is actuated by an electronic actuating means...
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WO/2011/061528A2 |
A rotary electromagnetic actuator is provided which is suitable for opening and closing a valve for example. The actuator comprises a rotor (10), a stator (16), and a biasing arrangement (20, 100, 102, 104, 106) for applying a torque to ...
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WO/2011/060840A2 |
The invention relates to a camshaft for actuating the gas exchange valves of an internal combustion engine, said camshaft comprising a camshaft tube (1), a hydraulic camshaft adjuster (2), a valve (3) for controlling the hydraulic fluid ...
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WO/2011/060855A2 |
An electrohydraulic actuator is provided, which comprises a working cylinder (22), having a piston (23) comprising a first and second piston surface (231, 232) displaceable in said working cylinder and two working chambers (24, 25) desig...
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WO/2011/061217A2 |
The invention relates to a switchable device for supplying at least one consumer of an internal combustion engine with pressure. The device comprises the following: a housing having a housing interior; a displacement element arranged in ...
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WO/2011/058504A1 |
This invention relates to a flow control device, and more particularly, but not exclusively, to a flow control device that can be used as a valve system for a cylinder of a reciprocating engine or compressor, and alternatively also as a ...
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WO/2011/033179A2 |
The invention relates to an arrangement (1) for operating a gas exchange valve (2) of a piston engine. The arrangement comprises a hydraulic actuator (3) for moving the gas exchange valve (2) toward an open position by pressure of hydrau...
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WO/2011/022487A1 |
A high speed pneumatic valve has a housing enclosing a cavity with an inlet port and an outlet port. A permanently magnetized armature is located in the cavity. The permanently magnetized armature moves between a first, open position and...
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WO/2010/146229A1 |
The invention relates to a control arrangement for gas exchange in a piston engine adapted between a cam device (5) of a camshaft (4) of the engine (1) and an inlet valve mechanism (6) arranged to open and close the inlet valve (3) in as...
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WO/2010/141633A1 |
A cam may be provided with a main exhaust lobe and a compression-release or partial bleeder lobe and a base circle portion between the two lobes. A rocker arm including an internal rocker passage may be operatively connected to the cam. ...
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WO/2010/131325A1 |
Provided is a valve stopping device for an internal combustion engine, which does not have a fear that valves stop in closed states in all cylinders even if any trouble occurs. The valve stopping device comprises actuators (4A, 4B, 4C a...
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WO/2010/125235A1 |
The invention relates to a control arrangement for an inlet valve in a piston engine adapted between a cam device (5) of a camshaft (4) of the engine (1 ) and an inlet valve mechanism (6) arranged to open and close the inlet valve (3) in...
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WO/2010/118826A1 |
The invention relates to an electromagnetic camshaft-adjuster device having an armature unit (14, 42) drivable along an axial direction in reaction of a current feed of a stationary inductor unit (10), which for interacting with an adjus...
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WO/2010/099393A1 |
An apparatus includes a valve and an actuator. The valve has a portion movably disposed within a valve pocket defined by a cylinder head of an engine. The valve is configured to move relative to the cylinder head a distance between a clo...
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WO/2010/084517A1 |
This invention concerns a method and a gas chromatographic instrument in which a gas feeding low pressure condition monitored by controlling an electric parameter applied on a proportional solenoid valve placed along the gas line, and wh...
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WO/2010/085424A1 |
A seating control device for a valve, comprising: a vessel for containing a fluid; an upper snubber element translatably receivable in the vessel for controlling the seating velocity of a valve associated therewith; and a lower snubber e...
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WO/2010/077538A1 |
The present invention relates to methods of using a low sulfur, low phosphorus, low-ash, zinc free consumable lubricating composition in an internal combustion engine equipped with a pilot ignition system, where the composition comprises...
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WO/2010/060577A1 |
The invention relates to a hydraulic valve assembly having a sensor for registering a switch position of a valve, said sensor measuring a valve acoustic signal.
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WO/2010/058720A1 |
A variable valve gear and a method of controlling the variable valve gear, wherein, in order to prevent a shortage of oil film in a spool section, only the spool of a solenoid on/off valve is moved at a timing not affecting operation of ...
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WO/2010/058721A1 |
Provided are a variable valve device and a control method thereof to actually measure the response performance of a variable valve with changes in temperature environment and to accurately correct the valve opening/closing timing based o...
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WO/2010/054653A1 |
A large two-stroke diesel engine with an electronically controlled exhaust valve actuation system includes for each cylinder an exhaust valve with a valve stem and a valve disc, an air spring operably connected to the valve stem and urgi...
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