137377 ⎘
Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
Roller bearing and z-stop for a two-step roller finger follower
#602Engine tubular camshaft assembly with multi-lift cam sets and method
#603Method and apparatus for optimized combustion in an internal combustion engine utilizing homogeneous charge compression ignition and variable valve actuation
#604WEAR-RESISTANT COATING AND PROCESS FOR PRODUCING IT
#605Method and apparatus for controlling a switchable cam follower
#606Valve actuation mechanism
#607Monitoring of a cam profile switching system in internal combustion engines
#608Lock pin retention plug for a two-step rocker arm assembly
#609Internal combustion engine comprising a variable valve lift profile system and a method for controlling valve lift profile shifting
#610Apparatus and method for coupling and decoupling actuating elements of a valve drive of an internal combustion engine
#611System for controlling the response time of a hydraulic system
#612Switchable cam follower
#613Dual lift rocker arm latch mechanism and actuation arrangement therefor
#614Compact lash adjuster feed channel apparatus
#615Control strategy for hydraulically-switched engine mechanisms
#616System and method for adaptive control of variable valve lift tappet switching
#617Variable valve device for internal combustion engine
#618Variable valve device for internal combustion engine
#619System and method for controlling auto-ignition
#620Variable valve device for internal combustion engine
#621Valve engine
#622Variable engine valve actuation system
#623Control apparatus for an internal combustion engine
#624Dual lift rocker arm latch mechanism and actuation arrangement therefor
#625Method and device for controlling an internal combustion engine
#626Engine control system using valve opening parameter
#627Valve train with cam switching for the gas exchange valves of a four-cycle internal combustion engine
#628System and method for controlling auto-ignition
#629Two-step rocker arm having roller element cam followers
#630Dual lift rocker arm latch mechanism and actuation arrangement therefor
#631INTERNAL COMBUSTION ENGINE COMPRISING A VARIABLE VALVE LIFT SYSTEM AND A METHOD FOR CONTROLLING VALVE LIFT SHIFTING
#632INTERNAL COMBUSTION ENGINE COMPRISING A VARIABLE VALVE LIFT SYSTEM AND A VARIABLE VALVE TIMING SYSTEM, AND A METHOD FOR SUCH AN ENGINE
#633INTERNAL COMBUSTION ENGINE COMPRISING A VARIABLE VALVE LIFT SYSTEM AND A METHOD FOR CONTROLLING VALVE LIFT SHIFTING
#634Variable valve lift apparatus for vehicle engines
#635Adjustable valve rocker lever of a valve timing gear of an internal combustion engine
#636Adjustable valve rocker lever
#637Control apparatus for multi-cylinder internal combustion engine and control method
#638Timing mechanism for a switchable two-step roller finger follower
#639Valve train for an internal combustion engine
#640Control unit for a valve, especially a gas exchange valve of an internal combustion engine
#641Valve drive of an internal combustion engine comprising a cylinder head
#642Valve train of an internal combustion engine comprising at least one camshaft
#643Switchable drag lever of a valve timing mechanism of an internal combustion engine
#644Finger lever of a valve drive of a combustion engine
#645Switchable drag lever of a valve timing mechanism of an internal combustion engine
#646Method and control device for diagnosing a charge cycle valve stroke adjusting system of an internal-combustion engine
#647Valve actuation device of internal combustion engine
#648Modulated combined lubrication and control pressure system for two-stroke/four-stroke switching
#649Finger lever of a valve train of an internal combustion engine
#650Valve operating system for internal combustion engine
#651Two-step roller finger follower
#652Rocker shaft arrangement for an engine
#653Valvetrain system for an engine
#654Switchable valve-drive component
#655Control apparatus for multi-cylinder internal combustion engine and control method
#656Method and device for controlling an internal combustion engine
#657Discrete mode variable valve gear
#658Switchable finger lever of a valve train of an internal combustion engine
#659Method and apparatus for optimized combustion in an internal combustion engine utilizing homogeneous charge compression ignition and variable valve actuation
#660Apparatus and method for controlling internal combustion engine
#661Valve mechanism for internal combustion engine
#662Control apparatus for an internal combustion engine
#663Camshaft for automotive engines in particular
#664Engine valve actuation system
#665Wear-resistant coating and process for producing it
#666Internal combustion engine control
#667Valve drive for charge-cycling valves of internal combustion engines
#668Primary and offset actuator rocker arms for engine valve actuation
#669Cylinder operation control apparatus for internal combustion engine
#670Finger lever of a valve train of an internal combustion engine
#671Inter-cylinder variation detection device and inter-bank variation detection device of internal combustion engine
#672Two-stroke and four-stroke switching mechanism
#673Electromagnetic hydraulic valve, typically a 3/2 directional switching valve for controlling a variable valve train of an internal combustion engine
#674Valve train of an internal combustion engine
#675Combustion chamber structure for internal combustion engine
#676Valve spring support structure of engine
#677Diesel engine with dual-lobed intake cam for compression ratio control
#678Compound valve assembly for controlling high and low oil flow and pressure
#679Valve gear with cylinder suspending mechanism of an internal combustion engine
#680Valve gear of an internal combustion engine
#681Engine valve actuation system
#682Means to add torsional energy to a camshaft
#683Variable valve mechanism for engine
#684Valve drive apparatus of internal-combustion engine
#685Method for 3-step variable valve actuation
#686Switched cam follower or switched support element of a valve gear of an internal combustion engine
#687Control system for hybrid vehicle
#688Valve control system for internal combustion engine
#689Spark ignition engine control device
#690Control device for spark-ignition engine
#691Valve drive for an internal combustion engine
#692Engine valve control system and method
#693Automatic lash adjuster for use with high compression internal combustion engines
#694Cam slide member actuator for a valvetrain assembly
#695Camshaft assembly