137218 ⎘
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 means for changing the angular relationship Locking means between driving and driven members
Sub-classes:Valve timing changing device
#2HYDRAULIC VARIABLE CAMSHAFT TIMING WITH A TEMPERATURE BASED HYDRAULIC SWITCH
#3Oil pressure actuated phaser with a lock pin shutoff
#4Camshaft adjuster
#5VALVE TIMING ADJUSTMENT DEVICE
#6Phasing mechanism with roller ramps
#7Advance locked spool valve pump phaser with hydraulic detent valve
#8Cam phasing systems and methods
#9Check valve for exhausting flow of fluid from a variable cam timing phaser
#10Hydraulic camshaft adjuster
#11Variable valve timing control device
#12Camshaft phaser control for variable displacement engines
#13Cam phaser and cam shaft arrangement with cam phaser
#14Mechanism for locking a variable cam timing device
#15Variable cam timing system and method for operation of said system
#16Cam shaft phase setter comprising an annular reflux valve
#17Camshaft phaser using both cam torque and engine oil pressure
#18Phase control apparatus and method for operation thereof
#19Cam phaser
#20System and method for a variable cam timing phase control apparatus with isolator
#21Camshaft driven pump for a hydraulic cam phaser
#22Cam phasing assemblies with electromechanical locking control and method thereof
#23Valve timing change device
#24Method for cleaning continuously variable valve timing system
#25Valve timing control apparatus for internal combustion engine
#26Cam phasing systems and methods
#27Cam phaser having a retention feature for aiding assembly
#28Valve opening/closing timing control device
#29Valve opening/closing timing control device
#30Valve opening and closing timing control apparatus
#31Particulate trap for a camshaft phaser
#32Valve opening/closing timing control apparatus
#33Valve timing regulation device
#34Check valve plate positioner for camshaft phaser
#35Electric cam phasing system including an activatable lock
#36Multi-mode variable camshaft timing device with two locking positions
#37Camshaft adjuster
#38Valve timing control device for internal combustion engine
#39Method and device for controlling a high-pressure fuel pump in an internal combustion engine
#40Valve timing control device for internal combustion engine
#41Valve opening and closing timing control apparatus
#42Control valve for valve timing adjusting device of internal combustion engine
#43Apparatus and method of adjusting valve timing for internal combustion engine
#44Method and system for variable cam timing device
#45Method and system for variable cam timing device
#46Valve opening and closing timing control apparatus
#47Method of controlling continuously variable valve timing system for limp-home
#48Camshaft adjuster
#49Camshaft adjuster having a variable-length insert part
#50Camshaft adjusting device
#51Camshaft adjuster including a discharge valve
#52Method and system for variable cam timing device
#53Camshaft adjuster including a blocking pin for pressure relief of the hydraulic channel covered by a slotted gate
#54Variable valve duration system and engine provided with the same
#55Variable camshaft adjuster with locking disc, locking disc, and method for producing same
#56Camshaft adjuster
#57Control apparatus and control method for variable valve mechanism
#58Camshaft adjuster having a hydraulic chamber sealing element that can be switched to and fro to achieve hydraulic freewheelingt part
#59Multi-mode variable cam timing phaser
#60Camshaft adjuster
#61Central valve for a camshaft adjuster having central locking
#62Control valve for valve timing control device and valve timing control device for internal combustion engine
#63CVVT apparatus for engine
#64System for controlling valve opening/closing timing
#65Valve opening/closing timing control device
#66Valve opening and closing timing control device
#67Variable valve timing control device of internal combustion engine
#68Apparatus for opening and closing channel
#69Method of controlling lock pin of continuously variable valve timing system
#70Camshaft adjusting device
#71Valve timing control apparatus
#72Method and system for variable cam timing device
#73Valve opening/closing timing control device
#74Multi-locking of a camshaft adjuster, and method for operating a camshaft adjuster
#75Valve timing control device for internal combustion engine, and fastening structure
#76Multiple variable valve lift apparatus
#77Electronic active lock pin control method for middle phase type continuously variable valve timing system
#78Method and system for releasing catching of locking pin
#79Valve timing control apparatus of internal combustion engine
#80Control device for internal combustion engine
#81Camshaft phaser
#82Hydraulic camshaft adjusting device with spherical section-like lock
#83Camshaft adjusting device and central valve for a camshaft adjusting device
#84Camshaft adjustment device for an internal combustion engine
#85Control valve of a camshaft adjuster
#86Engine having variable valve timing device
#87Control valve for a camshaft adjuster
#88Variable valve actuation apparatus of internal combustion engine
#89Variable valve timing control unit
#90Variable cam phaser for automobile engine and controller therefor
#91Control valve
#92Dual independent phaser with dual-sided locking cover
#93Valve control apparatus
#94Variable valve timing control device of internal combustion engine
#95Valve timing control apparatus
#96Valve timing control apparatus
#97Valve timing control device for internal combustion engine
#98Valve timing control system for internal combustion engine and lock release mechanism of valve timing control apparatus for internal combustion engine
#99Using camshaft timing device with hydraulic lock in an intermediate position for vehicle restarts
#100Control device for internal combustion engine
#101Valve timing control device and valve timing control mechanism
#102Variable cam timing system and method
#103CAMSHAFT PHASER WITH CENTRALLY LOCATED LOCK PIN VALVE SPOOL
#104Camshaft phaser with coaxial control valves
#105Camshaft assembly and intermediate cam phasing position
#106Valve timing control device
#107Insert part for camshaft adjuster with center locking
#108Variable valve apparatus for internal combustion engine
#109Control device for hydraulic variable valve timing mechanism
#110Variable cam phaser for automobile engine and controller therefor
#111Valve timing control apparatus for internal combustion engine
#112Oil pressure modification for variable cam timing
#113Valve timing controller
#114Camshaft adjustment mechanism having a locking apparatus
#115HYDRAULIC VALVE TIMING CONTROLLER
#116Valve timing controller for internal combustion engine
#117Harmonic drive camshaft phaser with lock pin for selectivley preventing a change in phase relationship
#118Valve timing control apparatus and method
#119Variable valve timing apparatus
#120Method of setting lash in a cam phaser
#121START CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE
#122Variable valve actuating apparatus for internal combustion engine, and controller for variable valve actuating apparatus
#123Camshaft phaser with coaxial control valves
#124Valve timing control apparatus for internal combustion engine
#125Camshaft adjuster for an internal combustion engine
#126Valve timing control device
#127Apparatus for and method of controlling variable valve timing mechanism
#128VARIABLY OPERATED VALVE APPARATUS FOR INTERNAL COMBUSTION ENGINE, START SYSTEM FOR INTERNAL COMBUSTION ENGINE, AND START CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE
#129Valve timing control device of internal combustion engine
#130Valve timing control apparatus
#131Valve timing adjuster
#132Control valve apparatus
#133Engine intake port arrangement for camshaft with differential valve lift
#134Variable valve actuating apparatus, valve phase varying apparatus and control apparatus for internal combustion engine
#135Vane-type motor cam phaser with a friction disc and mounting method
#136Internal Combustion Engine Control Device and Internal Combustion Engine Control System
#137Apparatus having control valve and variable capacitance pump and hydraulic pressure circuit of internal combustion engine in which the same apparatus is used
#138VALVE OPENING/CLOSING TIMING CONTROL DEVICE
#139VALVE TIMING CONTROL APPARATUS
#140Diagnostic system and method for hydraulically-actuated cam phasers
#141Valve timing adjuster
#142Variable valve timing control apparatus for internal combustion engine
#143Variable camshaft timing device with hydraulic lock in an intermediate position
#144Device for variably adjusting control times of gas exchange valves of an internal combustion engine
#145Valve performance controller for internal combustion engine
#146Variable valve timing control apparatus for internal combustion engine
#147Valve timing control device
#148Venting mechanism to enhance warming of a variable cam timing mechanism
#149Valve timing controller
#150Valve timing control apparatus
#151APPARATUS FOR AND METHOD OF CONTROLLING ENGINE
#152Variable valve timing apparatus
#153Valve timing adjusting apparatus
#154Variable valve apparatus
#155VARIABLE VALVE TIMING CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE
#156Device for the combined locking and rotation angle limitation of a camshaft adjuster
#157Method for determining a scanning ratio for a valve for a camshaft adjuster
#158Method for controlling and diagnosing a vane-type cam phaser having intermediate position pin locking
#159Valve timing control device
#160Valve timing adjusting apparatus
#161VALVE TIMING ADJUSTING APPARATUS
#162Valve timing control device
#163Variable valve system of internal combustion engine
#164VALVE TIMING CONTROL APPARATUS
#165VALVE TIMING CONTROL APPARATUS
#166Apparatus for the variable setting of control times of gas-exchange valves of an internal combustion engine
#167Valve Mechanism for Internal Combustion Engine
#168VVT control method during lock pin disengagement
#169Valve timing control system
#170Device for Controlling Phase of Cam Shaft in Internal Combustion Engine and Phase Controlling device
#171Valve Timing Adjusting Device
#172Hydraulic-pressure actuated locking mechanism and method
#173Camshaft adjusting device
#174Bias spring arbor for a camshaft phaser
#175Valve timing control system
#176Valve timing control apparatus
#177Variable valve timing control device
#178Variable valve system of internal combustion engine
#179Valve timing controller
#180Valve timing control apparatus of internal combustion engine
#181Hydraulic camshaft adjuster
#182Valve timing controller
#183Ignition timing control system and method for internal combustion engine, and engine control unit
#184Hybrid vehicle system having engine with variable valve operation
#185Phase controller and cam shaft phase controller for internal combustion engine
#186Apparatus for adjusting a camshaft, and method for operating an apparatus for adjusting a camshaft
#187Valve timing control apparatus of internal combustion engine
#188Apparatus for abnormal diagnosis of variable valve timing mechanism
#189Valve timing adjusting device
#190Vane-type cam phaser having increased rotational authority, intermediate position locking, and dedicated oil supply
#191System to release a stuck lock-pin in a cam phaser
#192Device for adjusting the relative angular position of two rotating elements
#193Camshaft adjuster with play-free locking
#194Valve timing control apparatus for internal combustion engine
#195Valve timing control apparatus for internal combustion engine
#196Evaluation method of diagnostic function for variable valve mechanism and evaluation apparatus for variable valve mechanism
#197Method for evaluating diagnosis function of a variable valve mechanism and apparatus for diagnosing a variable valve mechanism
#198Valve timing controller
#199Valve timing control apparatus for internal combustion engine
#200Valve timing control device of internal combustion engine
#201Device for changing the timing of an internal-combustion engine
#202Locking device for a camshaft adjuster
#203Camshaft adjusting device for vehicles, especially motor vehicles
#204Valve opening-closing timing control device
#205Control mechanism for cam phaser
#206Hydraulic camshaft adjuster for an internal combustion engine
#207Valve timing regulating apparatus with improved phase control response
#208Apparatus and method for controlling internal combustion engine
#209Variable camshaft timing phaser having a housing and a driving element of two different materials
#210Variable valve actuation apparatus for internal combustion engine
#211Variable valve timing control device
#212Variable valve timing control device
#213Control apparatus for internal combustion engine
#214Method for reducing VCT low speed closed loop excessive response time
#215VCT valve with reed check
#216Cam phaser assembly