| Patents for F01L 9 - Valve-gear or valve arrangements actuated non-mechanically (7,196) |
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| 02/25/2014 | US8656872 Variable lift hydraulic valve train |
| 02/20/2014 | DE102012214645A1 Internal combustion engine installed in commercial vehicle, has hydraulic actuator that is provided with pistons that are provided for moving valve that is controlled using rotating cam shafts |
| 02/19/2014 | CN203441557U Electronic control variable timing valve without cam shaft |
| 02/19/2014 | CN103597174A Primary and auxiliary rocker arm assembly for engine valve actuation |
| 02/19/2014 | CN103590871A Sealed armature ball tube assembly |
| 02/13/2014 | WO2014023949A1 Valve control system for internal combustion engines and method of operation thereof |
| 02/13/2014 | DE102012113215A1 Elektrohydraulische Variabler-Ventilhub-Vorrichtung Electro-hydraulic variable valve lift device |
| 02/12/2014 | EP2696044A1 Variable valve phasing lift and duration |
| 02/12/2014 | CN103582744A 压力脉冲发生器 Pressure Pulse Generator |
| 02/12/2014 | CN103573325A Electro-hydraulic variable valve lift apparatus |
| 02/12/2014 | CN103573324A Variable valve actuation system including accumulator and method for controlling the variable valve actuation system |
| 02/12/2014 | CN103573323A Valve timing control device |
| 02/11/2014 | US8646422 Electro-hydraulic variable valve lift apparatus |
| 02/06/2014 | WO2014020454A1 Internal-combustion engine having a system for variable actuation of the intake valves, provided with three-way solenoid valves, and method for controlling said engine |
| 02/06/2014 | DE102013214537A1 Variables ventilbetätigungssystem mit einem sammelbehälter und verfahren zum steuern des variablen ventilbetätigungssystems The variable valve operating system with a collecting container and method for controlling the variable valve actuation system |
| 02/05/2014 | EP2693009A1 Internal-combustion engine having a system for variable actuation of the intake valves, provided with three-way solenoid valves, and method for controlling said engine |
| 02/05/2014 | EP2693008A1 Internal-combustion engine having a system for variable actuation of the intake valves, provided with three-way solenoid valves, and method for controlling said engine |
| 02/05/2014 | EP2693007A1 Internal combustion engine having a system for variable actuation of the intake valves provided with three-ways solenoid valves and method for controlling this engine |
| 02/05/2014 | CN203420756U Engine air intake and exhaust system |
| 01/30/2014 | WO2014015869A1 Method for operating an internal combustion engine with electrohydraulic valve control means |
| 01/30/2014 | DE102012213180A1 Electromagnetic linear actuator for activating gas valve in valve operating device of internal combustion engine, has coils that are concentrically arranged around plunger when coils are energized and are axially arranged to each other |
| 01/30/2014 | DE102012212989A1 Verfahren zum Betrieb einer Brennkraftmaschine mit elektrohydraulischer Ventilsteuerung Method for operating an internal combustion engine with electro-hydraulic control valve |
| 01/30/2014 | DE102012212987A1 Method for determining content of air in pressure fluid of electrohydraulic valve train of internal combustion engine, involves estimating content of air in pressure fluid by real-time model based on behavior of hydraulic valve |
| 01/30/2014 | DE102012106824A1 Elektromagnetische Stellvorrichtung Electromagnetic actuator |
| 01/28/2014 | US8635988 Variable valve device for internal combustion engine |
| 01/16/2014 | DE102012212054A1 Pump unit for transmitting mechanical actuating force to hydraulic medium of hydraulic system, has actuating piston that is urged directly or indirectly relative to housing by spring unit |
| 01/15/2014 | CN103518058A 流体系统及内燃机 Fluid systems and internal combustion engines |
| 01/15/2014 | CN103511015A Double-coil electric air valve |
| 01/15/2014 | CN102459829B A control arrangement for gas exchange in a piston engine |
| 01/09/2014 | WO2014007727A1 Actuator for axial displacement of a gas exchange valve in a combustion engine |
| 01/07/2014 | US8622036 Engine including cylinder deactivation assembly and method of control |
| 01/07/2014 | US8622035 Valve drive control device |
| 01/03/2014 | WO2014003650A1 Method and position sensor assembly for determining a mutual position between a first object and a second object |
| 01/02/2014 | DE102012210812A1 Method for operating valve device e.g. inlet valve to open/close opening cross-section in cylinder of diesel engine of engine system, involves adjusting displacement of movement of cam shaft so that valve devices are opened at time point |
| 01/01/2014 | CN102162383B Valve actuation system for a large two stroke diesel engine |
| 12/31/2013 | US8620565 Control system and method for limiting engine torque based on engine oil pressure and engine oil temperature data |
| 12/27/2013 | WO2013191736A1 Electromagnetic valve apparatus with nonlinear spring |
| 12/27/2013 | WO2013188932A2 Direct timing system for internal combustion engine |
| 12/27/2013 | CA2876751A1 Systeme de distribution directe pour moteur a combustion interne |
| 12/26/2013 | US20130340733 Cylinder head cavity ventilation for camless engine |
| 12/25/2013 | EP2677127A1 Method and apparatus for resetting valve lift for use in engine brake |
| 12/25/2013 | CN103477088A Hydraulic system and operating method |
| 12/25/2013 | CN103477039A Seal for switch valves |
| 12/25/2013 | CN103470326A Engine valve mechanism |
| 12/25/2013 | CN103470325A Hydraulic VVT (Variable Valve Timing) phase control method |
| 12/25/2013 | CN101922323B Gas exchange valve for combustion engines |
| 12/24/2013 | US8613264 Gas exchange valve for internal combustion engines |
| 12/24/2013 | DE102004018359B4 Hydraulischer Stellantrieb von insbesondere Gaswechselventilen eines Verbrennungsmotors Hydraulic actuator of particular gas exchange valves of an internal combustion engine |
| 12/19/2013 | WO2013045866A3 Electro-hydraulic valve actuator having an alternating cam |
| 12/19/2013 | US20130333646 Integrally Cast Block-Head with Solenoid Pack Cover |
| 12/18/2013 | CN203347871U Oil-control device for fully variable hydraulic valve system of internal combustion engine |
| 12/18/2013 | CN203347869U Cam bearing cap, engine and vehicle thereof |
| 12/18/2013 | CN203347868U Working oil path of engine adopting DVVT (Dual Variable Valve Timing) technology |
| 12/11/2013 | EP2670956A1 2-cycle engine and engine-powered working machine having the same |
| 12/11/2013 | CN203335165U Cylinder of engine |
| 12/10/2013 | US8602002 System and method for controlling engine knock using electro-hydraulic valve actuation |
| 12/05/2013 | DE102013209652A1 System und Verfahren zum Kalibrieren eines Ventilhubsensors und zum Evaluieren eines Ventilhubsensors und eines hydraulischen Ventilaktuators System and method for calibrating a valve lift and a valve lift sensor, and for evaluating a hydraulic valve actuator |
| 12/04/2013 | EP2669495A1 Method for operating a multi-cylinder internal combustion engine |
| 12/04/2013 | CN103423016A Engine including oil pressure passage with air bleed |
| 12/03/2013 | US8596234 Electro-hydraulic variable valve lift apparatus |
| 11/27/2013 | CN102606251B 可变气门致动器 Variable valve actuator |
| 11/27/2013 | CN102022207B Diagnostic systems and methods for two-step valve lift mechanism |
| 11/21/2013 | DE102012211458B3 Deckel mit Ölspeicherfunktionalität für ein Gehäuse eines elektrohydraulischen Ventiltriebes eines Verbrennungsmotors Cover with oil storage functionality for a housing of an electrohydraulic valve train of an internal combustion engine |
| 11/20/2013 | EP2663744A1 Two stroke, opposed-piston engines with engine braking |
| 11/20/2013 | CN203296940U Diesel engine variable gas distributing system |
| 11/20/2013 | CN103403306A Hydraulic valve drive of an internal combustion engine |
| 11/20/2013 | CN103397923A Device for compressing and releasing engine braking |
| 11/20/2013 | CN103397922A Engine and actuating mechanism of variable valve lift device of engine |
| 11/14/2013 | WO2013169753A1 On-board diagnostic method and system for detecting malfunction conditions in multiair tm engine hydraulic valve train |
| 11/14/2013 | WO2013167704A1 Linear drive device and engine comprising same |
| 11/14/2013 | WO2013167292A1 Control unit for a fully variable hydraulic valve control device for gas exchange valves on reciprocating internal combustion engines |
| 11/14/2013 | DE102013208277A1 Motor mit einem Öldruckdurchgang mit Entlüftung Engine with an oil pressure passage with vent |
| 11/13/2013 | EP2661548A1 Cylinder head cover module with integrated valve train |
| 11/13/2013 | CN203285507U Driver with variable lift ranges |
| 11/13/2013 | CN103388502A Full changeable electro-hydraulic air valve driving device |
| 11/13/2013 | CN102278159B Flow rate control valve |
| 11/12/2013 | US8578897 Valve system |
| 11/12/2013 | US8578896 Method for bounce suppression of a valve switched by a piezo actuator |
| 11/07/2013 | DE102012207517A1 Steuereinheit für eine vollvariable hydraulische Ventilsteuervorrichtung von Gaswechselventilen an Hubkolbenbrennkraftmaschinen Control unit for a continuously variable hydraulic valve control device of gas exchange valves of reciprocating internal combustion engines |
| 11/06/2013 | EP2659115A1 Electromagnetic device, and corresponding electromagnetic actuator |
| 11/06/2013 | EP2659100A1 Hydraulic valve actuation module |
| 11/06/2013 | CN102356216B Valve stopping device for internal combustion engine |
| 11/05/2013 | US8573167 Control valve for a device for variably adjusting the control times of gas-exchange valves of an internal combustion engine |
| 10/31/2013 | US20130284131 Operation control system for a solenoid valve of a combustion engine and method |
| 10/30/2013 | EP2657470A1 A method for controlling a valve control system with variable valve lift of an internal combustion engine by operating a compensation in response to the deviation of the characteristics of a working fluid with respect to nominal conditions |
| 10/30/2013 | EP2655824A1 Drive system and electromagnetic actuator with improved cooling |
| 10/30/2013 | CN102606252B Variable valve timing control system oil passage and timing cover for automobile engine |
| 10/30/2013 | CN102003234B Diagnostic system and method for hydraulically-actuated cam phasers |
| 10/23/2013 | EP2653703A1 Internal combustion engine with cylinders which can be deactivated, in which the deactivated cylinders are used as pumps for recirculating exhaust gases into the active cylinders, and method for controlling this engine |
| 10/23/2013 | CN203248218U Engine retarder |
| 10/23/2013 | CN103362587A Engine and actuating mechanism of variable valve lift device thereof |
| 10/23/2013 | CN103362586A Balanced positional valve spindle |
| 10/23/2013 | CN103362585A A gas exchange valve for an internal combustion engine |
| 10/22/2013 | US8561585 Rocker arm unit |
| 10/15/2013 | US8555833 Valve clearance compensation device and method for controlling a valve clearance compensating device for an internal combustion engine |
| 10/10/2013 | DE102013102661A1 Positionsausgeglichene Ventilspindel Balanced valve stem position |
| 10/09/2013 | EP2646659A1 An arrangement and a method of operating a gas exchange valve of an internal combustion engine, a cylinder head and a method of upgrading an internal combustion engine |
| 10/08/2013 | US8550044 Air spring system for an internal combustion engine |
| 10/02/2013 | EP2643564A1 Pressure accumulator of a hydraulic actuating system |
| 10/02/2013 | DE102013102660A1 Gaswechselventil für einen Verbrennungsmotor Gas exchange valve for an internal combustion engine |