137210 ⎘
Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force; Details relating to the hydraulic feeding circuit Oil control valves
Sub-classes:CAM PHASE REGULATOR ASSEMBLY
#2CONTROL VALVE ASSEMBLY OF A VARIABLE CAM TIMING PHASER
#3Control Device for Hydraulic Control Valve
#4Oil Circuit and Spool Valve for Selective Control of Variable Valve Lift Systems
#5Camshaft phaser having non-return valves
#6Camshaft adjuster with reset function
#7CAMSHAFT ADJUSTMENT SYSTEM FOR FLEXIBLY STARTING AN INTERNAL COMBUSTION ENGINE, AND METHOD FOR OPERATING A DRIVETRAIN
#8VARIABLE CAM TIMING PHASER AND SYSTEM INCLUDING THE SAME
#9TWO-STEP CAM CONTROLLED EXHAUST VALVE DEACTIVATION TO OPERATE A DIVIDED EXHAUST BOOST SYSTEM
#10Valve timing adjustment system and electronic control device
#11Bypass oil supply for an oil volume accumulator of a hydraulic camshaft phaser
#12HYDRAULIC VARIABLE CAMSHAFT TIMING WITH A TEMPERATURE BASED HYDRAULIC SWITCH
#13FLUID CONTROL VALVE UNIT AND VALVE TIMING CHANGING DEVICE
#14Fluid control valve unit and valve timing changing device
#15Fluid control valve and valve timing changing device
#16Variable cam timing phaser
#17Oil pressure actuated phaser with a lock pin shutoff
#18Variable valve timing system
#19VARIABLE VALVE TIMING SYSTEM
#20Variable valve timing system
#21Variable valve timing system
#22Variable valve timing system
#23Variable valve timing system
#24Hydraulically-actuated VCT system including a spool valve
#25Variable cam timing phaser and system including the same
#26Valve timing adjustment device
#27Camshaft adjuster
#28VALVE TIMING ADJUSTMENT DEVICE
#29Methods and system for operating skipped cylinders to provide secondary air
#30Recirculating hydraulic fluid control valve
#31AXIAL AND RADIAL SOURCE FEEDS AT A ROTOR TO CAMSHAFT INTERFACE
#32Valve timing adjustment device
#33Oil control valve for a cam phaser of an internal combustion engine and a cam phaser comprising an oil control valve
#34Control valve used in valve timing control device for internal combustion engine and valve timing control system for internal combustion engine
#35Apparatus and method for controlling a cam
#36Hydraulic oil control valve and valve timing adjusting device
#37Valve timing adjustment device
#38Hydraulic oil control valve and valve timing adjustment device
#39CRANKTRAIN PHASE ADJUSTER FOR VARIABLE COMPRESSION RATIO
#40Phasing mechanism with roller ramps
#41HYDRAULIC CAMSHAFT ADJUSTER
#42Recirculating hydraulic fluid control valve
#43Recirculating hydraulic fluid control valve
#44Hydraulic camshaft adjuster
#45Valve timing adjustment device
#46Camshaft phaser with target wheel washer
#47Variable camshaft timing (VCT) phaser assembly and control valve installed remotely
#48Torque-actuated variable compression ratio phaser
#49Pressurized oil reservoir for camshaft phaser
#50Advance locked spool valve pump phaser with hydraulic detent valve
#51Hydraulic valve mechanism with variable valve opening times and internal combustion engine
#52Control valve with a sealing contour on a sleeve-shaped hydraulic guide element; and component having a control valve and camshaft phaser
#53Method for producing a camshaft adjuster
#54Recirculating hydraulic fluid control valve
#55Camshaft adjusting device
#56Valve opening and closing timing control device
#57Fluid control valve, and valve timing adjusting device employing same
#58Valve opening and closing timing control device
#59VALVE OPENING AND CLOSING TIMING CONTROL DEVICE
#60Control apparatus for camshaft phaser
#61Oil passage switching valve and valve timing changing apparatus
#62Actuator for hydraulic valve
#63Hydraulic valve for cam phaser
#64Actuating device for a camshaft timing apparatus
#65Variable cam timing phaser having two central control valves
#66Centerless grinding through the application of a helical twist to axial grooves
#67Valve timing change device
#68Control valve for cam phaser and method for mounting the control valve
#69Hydraulic camshaft adjuster, and method for operating the hydraulic camshaft adjuster
#70OIL CONTROL VALVE
#71Valve assembly for controlling a camshaft timing apparatus
#72Valve timing controller
#73Check valve for exhausting flow of fluid from a variable cam timing phaser
#74Hydraulic support element
#75Control device and control method for onboard engine
#76Hydraulic camshaft adjuster
#77Assembling structure of engine and vehicle
#78Internal combustion engine
#79Double flapper valve for a variable cam timing system
#80Valve opening-closing timing control device
#81Valve timing adjustment device
#82Control device and control method for variable valve timing mechanism
#83Coupling for a camshaft phaser arrangement for a concentric camshaft assembly
#84CONTROL VALVE FOR A CAMSHAFT ADJUSTER
#85Valve timing adjustment device
#86Valve timing adjustment device
#87Valve timing adjustment device and check valve
#88Valve timing adjustment device
#89Hydraulic valve for a cam phaser
#90Hydraulic valve for a cam phaser
#91Center bolt oil control valve to control a cam phaser with a calibration cap having a pressure check valve and filter
#92Valve timing controller
#93Variable cam timing phaser utilizing hydraulic logic element
#94Cam shaft phase setter comprising an annular reflux valve
#95Rotational hydraulic logic device and variable cam timing phaser utilizing such a device
#96Camshaft phaser using both cam torque and engine oil pressure
#97Piston for a hydraulic unit of a cam phaser and cam phaser
#98Oil control valve to control a cam phaser with a spool positioned by an external actuator and having a groove
#99Cam phaser
#100Sliding cam system
#101Oil drain preventing device for continuously variable valve timing apparatus
#102HYDRAULIC CONTROL DEVICE
#103OIL PRESSURE CONTROL DEVICE
#104Controller for internal combustion engine
#105One-way clutch type variable valve timing device and engine system having the same
#106Valve timing change device
#107Valve
#108Mounting structure of oil control valve unit and motorcycle
#109Method for cleaning continuously variable valve timing system
#110Switched cushion stop
#111Multi-piece valve train block with integrated camshaft support
#112Hydraulic valve for a cam phaser
#113Device and method for fast position control of a hydraulic actuator
#114CONTROL VALVE FOR A CAMSHAFT ADJUSTER
#115Actuator for cam phaser and cam phaser
#116Method and system for variable camshaft timing control
#117Electromagnetic control device
#118Oil supply control device of engine
#119Variable valve timing control device
#120Valve opening/closing timing control device
#121Valve opening/closing timing control device
#122VALVE TIMING CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE AND INTERNAL COMBUSTION ENGINE USING THE SAME
#123Valve opening and closing timing control apparatus
#124Valve opening/closing timing control apparatus
#125Valve timing regulation device
#126Double flapper valve for a variable cam timing system
#127Multi-mode variable camshaft timing device with two locking positions
#128Hydraulic control system for engine
#129Hydraulically biased camshaft phaser
#130Camshaft adjuster
#131Failure diagnosis apparatus for variable compression ratio mechanism
#132Clip filter for hydraulic valve and hydraulic valve with clip filter
#133Cushion ring assembly for a sprocket driven by a chain
#134Control valve
#135Method and system for variable cam timing device
#136Valve timing control device for internal combustion engine
#137Rotor for a hydraulic camshaft adjuster and manufacturing method for a rotor for a camshaft adjuster
#138Valve opening and closing timing control apparatus
#139Hydraulic valve for a cam phaser
#140Piston for a hydraulic valve for a cam phaser and hydraulic valve for the cam phaser
#141Oil control valve for supplying oil at end portion and assembly method thereof
#142Control valve with check valve
#143Camshaft phaser
#144Valve opening and closing timing control apparatus
#145Hydraulic control valve and valve-timing control device for internal-combustion engine using hydraulic control valve
#146Oil supply device for engine
#147Valve opening/closing timing control apparatus
#148Valve opening and closing timing control apparatus
#149Method and system for variable cam timing device
#150Valve opening and closing timing control apparatus
#151Central locking for a camshaft adjuster
#152Apparatus for controlling mild hybrid vehicle and method of using the mild hybrid vehicle
#153Method for adjusting an actuator element for a camshaft of an internal combustion engine
#154Control device for internal combustion engine and method of controlling internal combustion engine
#155Hydraulic valve for the cam phaser
#156Valve opening and closing timing control apparatus
#157Camshaft phaser
#158Camshaft phaser
#159Valve opening and closing timing control apparatus
#160Camshaft adjuster including a discharge valve
#161Camshaft adjusting device
#162Camshaft adjusting device
#163Control apparatus and control method for variable valve mechanism
#164Multi-mode variable cam timing phaser
#165Multi-mode variable cam timing phaser
#166Variable valve actuation apparatus for internal combustion engine
#167Central valve for a camshaft adjuster having central locking
#168Intermediate phase adjustment apparatus of CVVT
#169CVVT apparatus for engine
#170Intermediate phase adjustment apparatus of CVVT
#171CVVT apparatus for engine
#172Camshaft phaser with a rotary valve spool
#173System for controlling valve opening/closing timing
#174Modularized multifunctional variable valve actuation system for use in 6-cylinder internal combustion engine
#175BOLT VALVE
#176Apparatus for opening and closing channel
#177Method of controlling lock pin of continuously variable valve timing system
#178Camshaft adjusting device
#179Control valve for a camshaft adjuster
#180Valve opening/closing timing control device
#181Cam shaft phaser with mid-position and retard lock position
#182Oil control device for fully variable hydraulic valve system of internal combustion engine
#183Hydraulic valve and cam phaser
#184Hydraulic valve and cam phaser
#185Cam shaft phase setter comprising a control valve for hydraulically adjusting the phase position of a cam shaft
#186Camshaft phaser with a rotary valve spool positioned hydraulically
#187Camshaft phaser with position control valve
#188Camshaft phaser with position control valve
#189METHOD AND SYSTEM FOR PREVENTING ENGINE STALL UPON SHORTING OF OIL CONTROL VALVE
#190Camshaft phaser
#191Electronic active lock pin control method for middle phase type continuously variable valve timing system
#192Method and system for variable cam timing device
#193Variable valve lift diagnostic systems and methods using cam phaser differential oil pressure
#194Valve timing control apparatus of internal combustion engine
#195Valve opening and closing timing control device
#196Camshaft phaser
#197Camshaft phaser
#198Arrangement of a volume accumulator in a camshaft adjuster
#199Hydraulic valve and cam phaser
#200Camshaft phaser
#201Control device for internal combustion engine
#202Valve opening/closing timing control device
#203Mid lock directional supply and cam torsional recirculation
#204Method and apparatus for controlling CVVT engine of intermediate phase
#205Control system of hydraulic pressure control valve
#206Hydraulic valve for an internal combustion engine
#207Cam phaser with electromagnetically actuated hydraulic valve
#208Hydraulic valve for cam phaser
#209Camshaft adjusting device and central valve for a camshaft adjusting device
#210Control valve for a camshaft adjuster system
#211Camshaft phaser
#212Hydraulic valve for cam phaser
#213Cam shaft phase setter comprising a control valve for hydraulically adjusting the phase position of a cam shaft
#214Hydraulic valve for pivot motor adjustment device of a camshaft
#215Oscillating-motor camshaft adjuster having a hydraulic valve
#216Control valve of a camshaft adjuster
#217Valve unit with axial pressure medium unit
#218Centering slot for internal combustion engine
#219Oil pressure control valve and valve timing controller
#220Engine
#221Control valve for a camshaft adjuster
#222Control valve for a camshaft adjuster
#223Control valve filter and control valve insertion structure
#224Valve timing control apparatus
#225Variable valve timing control unit
#226Control valve and attachment structure of control valve
#227Control valve
#228VARIABLE VALVE TIMING CONTROL DEVICE
#229Variable valve timing control device
#230Valve timing adjusting device
#231Variable valve timing control device for internal combustion engine
#232Variable valve timing control device of internal combustion engine
#233Valve timing control apparatus
#234Central valve for pivot motor actuator
#235Shared oil passages and/or control valve for one or more cam phasers
#236Using camshaft timing device with hydraulic lock in an intermediate position for vehicle restarts
#237Hydraulic valve for an internal combustion engine
#238Oscillating motor adjuster
#239Rotary actuator with hydraulic valve
#240Valve timing control apparatus
#241CAMSHAFT PHASER WITH CENTRALLY LOCATED LOCK PIN VALVE SPOOL
#242Split cycle phase variable reciprocating piston spark ignition engine
#243Camshaft phaser with coaxial control valves
#244Centering slot for internal combustion engine
#245Control valve for hydraulic device
#246Device for varying the relative angle position of a camshaft with respect to a crankshaft of an internal combustion engine
#247Spool valve
#248Valve housing for a control valve of a camshaft adjusting system, and method for producing a valve housing
#249Filter arrangement of a control valve for a camshaft adjuster
#250Central valve for a camshaft adjuster
#251Control valve for hydraulic media
#252Valve timing controller
#253Non-return valve and hydraulic valve with a fitted non-return valve
#254Valve insert, and valve having a valve insert of this type
#255Camshaft adjustment mechanism having a locking apparatus
#256Electromagnetic actuator
#257Camshaft with camshaft adjuster
#258Concentric camshaft phaser flex plate
#259CONTROL VALVE HAVING A CURVED SPRING BAND SERVING AS A NON-RETURN VALVE
#260Control valve for use in valve timing control apparatus
#261Control valve of a device for changing the relative angular position of a camshaft with respect to a crankshaft of an internal combustion engine
#262Camshaft adjuster
#263Camshaft adjusting device
#264Engine assembly including camshaft actuator
#265Hydraulic control device
#266Camshaft phaser with coaxial control valves
#267Variable compression ratio type engine with fuel containing alcohol
#268Device for variably adjusting the control times of gas exchange valves of an internal combustion engine
#269Valve timing control apparatus
#270Control valve
#271Control valve
#272Camshaft adjuster for an internal combustion engine
#273Central valve of a camshaft adjuster of an internal combustion engine
#274Device for variably adjusting the control times of gas exchange valves of an internal combustion device
#275Control valve for controlling pressure-medium flows comprising an integrated check valve
#276Variable valve timing control apparatus for engine
#277Control valve for a device for variably adjusting the control times of gas-exchange valves of an internal combustion engine
#278Control valve for a device for variably adjusting the control times of gas-exchange valves of an internal combustion engine
#279Oil control valve and hydraulic control apparatus
#280Control valves for controlling pressure medium flows
#281Engine camshaft cover with integrated oil passages for camshaft phaser actuation
#282Hydraulic valve
#283Valve timing control apparatus
#284Valve timing control apparatus
#285Oscillating-motor camshaft adjuster having a hydraulic valve
#286Valve case for oil control valve
#287Electromagnetic actuating unit
#288Valve timing control apparatus
#289Filter element and control valve for a camshaft adjustment system
#290Electromagnetic actuating unit for a hydraulic directional control valve and method for the assembly thereof
#291Cam shaft phase setter comprising a control valve for hydraulically adjusting the phase position of a cam shaft
#292HYDRAULIC ASSEMBLY AND HYDRAULIC VALVE FOR FORMING SAID ASSEMBLY
#293Control Valve Apparatus
#294Control device of internal combustion engine
#295Phase adjustment device
#296Device for variably adjusting control times of gas exchange valves of an internal combustion engine
#297Valve timing adjuster
#298Oil control valve mounting arrangement
#299VALVE TIMING CONTROL APPARATUS
#300CAM TORQUE ACTUATED PHASER USING BAND CHECK VALVES BUILT INTO A CAMSHAFT OR CONCENTRIC CAMSHAFTS