137209 ⎘
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
Sub-classes:VARIABLE CAM TIMING PHASER
#2Installation structure for oil control valve
#3HYDRAULIC VARIABLE CAMSHAFT TIMING WITH A TEMPERATURE BASED HYDRAULIC SWITCH
#4Oil pressure actuated phaser with a lock pin shutoff
#5Variable valve timing system
#6Variable valve timing system
#7Recirculating hydraulic fluid control valve
#8One-piece camshaft bearing cap
#9Pressure shifted valve timing
#10Recirculating hydraulic fluid control valve
#11Variable camshaft phaser with magnetic locking cover bushing
#12Valve timing change device
#13Oldham flexplate for concentric camshafts controlled by variable camshaft timing
#14Valve assembly for controlling a camshaft timing apparatus
#15Valve timing controller
#16Valve timing control device for internal combustion engine
#17Hydrostatic camshaft phaser
#18CONTROL VALVE FOR A CAMSHAFT ADJUSTER
#19Camshaft adjusting system having a hydraulic camshaft adjuster and an electric camshaft adjuster
#20Valve timing adjustment device
#21Oil supply device of internal combustion engine
#22Mechanism for locking a variable cam timing device
#23Rotational hydraulic logic device and variable cam timing phaser utilizing such a device
#24Oil drain preventing device for continuously variable valve timing apparatus
#25Camshaft adjusting system with means for catching hydraulic fluid draining from a valve in order to directly recirculate the fluid into the camshaft adjuster
#26Device for controlling at least one valve in an internal combustion engine
#27Camshaft adjuster
#28Oil pressure control for a variable camshaft timing system
#29Semi-compliant coating for thermal expansion absorption
#30Camshaft centering in the split rotor of a hydraulic camshaft adjuster
#31Variable camshaft timing mechanism with a lock pin engaged by oil pressure
#32Variable valve timing control device
#33Adjustable camshaft having a phase actuator
#34Drive unit for straddled vehicle
#35Cam phaser having a retention feature for aiding assembly
#36Valve timing control device for internal combustion engine
#37Valve timing regulation device
#38Camshaft phaser/compression brake release integration with concentric camshaft
#39Hydraulic control system for engine
#40Hybrid composite cylinder head
#41Valve timing control device for internal combustion engine
#42Output element of a camshaft adjuster having a partial structuring on the contact surface to the camshaft
#43Multi-position camshaft phaser with two one-way wedge clutches and viscous damping
#44Rotor for a hydraulic camshaft adjuster and manufacturing method for a rotor for a camshaft adjuster
#45CAMSHAFT ADJUSTER WITH A CENTRAL VALVE AND WITHOUT A T BRANCH
#46Camshaft phaser
#47Oil supply device for engine
#48Camshaft adjuster having a chamber short-circuiting, pressure-controlled control unit
#49Valve opening and closing timing control apparatus
#50Wedge clutch for a camshaft phaser
#51Valve opening/closing timing control apparatus
#52HYDRAULIC CIRCUIT FOR INTERNAL COMBUSTION ENGINE
#53Method for adjusting an actuator element for a camshaft of an internal combustion engine
#54Valve opening and closing timing control apparatus
#55Camshaft phaser
#56Camshaft adjuster including a blocking pin for pressure relief of the hydraulic channel covered by a slotted gate
#57Variable valve actuation apparatus for internal combustion engine
#58Connection concept of a multipart rotor for a hydraulic camshaft adjuster
#59Control valve for valve timing control device and valve timing control device for internal combustion engine
#60Intermediate phase adjustment apparatus of CVVT
#61CVVT apparatus for engine
#62Camshaft phaser with a rotary valve spool
#63Valve opening/closing timing control device
#64Rotor assembly with inner diameter divider pattern
#65INTERMEDIATE PHASE ADJUSTMENT APPARATUS OF CVVT
#66Multi-position camshaft phaser with two one-way wedge clutches
#67Camshaft centering in the split rotor of a hydraulic camshaft adjuster
#68Anti-twist protection for the inner part of a split rotor for a hydraulic camshaft adjuster
#69Oil channels, produced without cutting and provided in a split rotor for a hydraulic camshaft adjuster
#70Valve opening/closing timing control device
#71Valve opening/closing timing control device
#72Valve timing control device for internal combustion engine
#73Camshaft adjusting device
#74Cam shaft phaser with mid-position and retard lock position
#75Valve opening/closing timing control device
#76Multi-locking of a camshaft adjuster, and method for operating a camshaft adjuster
#77Engine oil supply apparatus
#78Camshaft phaser with position control valve
#79Variable camshaft timing mechanism with a lock pin engaged by oil pressure
#80Camshaft phaser
#81Method and apparatus for controlling CVVT engine of intermediate phase
#82Cam phaser with electromagnetically actuated hydraulic valve
#83Hydraulic oil supply apparatus
#84Hydraulic valve for cam phaser
#85Camshaft adjustment device for an internal combustion engine
#86VALVE TIMING CONTROLLER
#87VALVE TIMING CONTROLLER
#88Camshaft adjusting device
#89Valve timing control apparatus
#90Applied-ignition internal combustion engine with variable valve drive
#91Cylinder head device for an internal combustion engine and internal combustion engine having such a cylinder head device
#92Camshaft phaser
#93Hydraulic valve for cam phaser
#94Control valve of a camshaft adjuster
#95CONCENTRIC CAMSHAFT ARRANGEMENT
#96Approach for controlling operation of oil injectors
#97Engine
#98ROLLING BEARING WITH RADIAL PRESSURE MEDIUM TRANSFER
#99Control valve for a camshaft adjuster
#100Holding structure of oil control valve
#101Valve timing controller
#102Valve timing controller
#103Efficient phaser actuation supply system
#104Variable valve actuation apparatus of internal combustion engine
#105Valve timing control apparatus
#106Variable valve timing control unit
#107ROTOR FOR A HYDRAULIC CAMSHAFT PHASER
#108Control valve
#109ENGINE CONTROL MECHANISM
#110Variable displacement pump
#111Variable valve timing control device of internal combustion engine
#112Camshaft phaser with a rotor nose oil feed adapter
#113Valve timing control device for internal combustion engine
#114Valve timing control system for internal combustion engine and lock release mechanism of valve timing control apparatus for internal combustion engine
#115Oil supply apparatus
#116Using camshaft timing device with hydraulic lock in an intermediate position for vehicle restarts
#117Valve timing adjustment system
#118Rotary actuator with hydraulic valve
#119Approach for controlling operation of oil injectors
#120Camshaft assembly and intermediate cam phasing position
#121Valve timing control apparatus
#122Spool valve
#123Camshaft device
#124Valve timing control device of internal combustion engine
#125Valve timing control apparatus
#126Valve timing control apparatus for internal combustion engine
#127Oil pressure modification for variable cam timing
#128Valve timing controller
#129Self-adaptive hydraulic variable valve timing system for diesel engine and control method
#130Cylinder head assembly having an oil routing plug
#131Engine assembly including valvetrain lubrication system
#132Valve timing controller for internal combustion engine
#133Valve timing control apparatus and method
#134Internal combustion engine
#135Camshaft adjuster
#136Valve timing control apparatus of internal combustion engine
#137System and method for monitoring engine oil pressure
#138Oscillating Motor Adjuster
#139Valve timing control apparatus for internal combustion engine
#140CAMSHAFT ADJUSTER
#141Camshaft adjuster for an internal combustion engine
#142Valve Timing Control Apparatus
#143Variable valve timing control apparatus for engine
#144Hydraulic orifice
#145Oil pressure control apparatus
#146VALVE TIMING ADJUSTER
#147Engine equipped with variable valve timing mechanism
#148Method for producing plastic cylinder head cover
#149Valve timing control apparatus
#150Control valve apparatus
#151Inferred oil responsiveness using pressure sensor pulses
#152Camshaft adjuster for an internal combustion engine with improved design of the pressure chambers
#153Control system of internal combustion engine
#154Oil circuit of continuously variable valve timing device
#155Method for determining a scanning ratio for a valve for a camshaft adjuster
#156VALVE TIMING ADJUSTING APPARATUS
#157Apparatus for the variable setting of control times of gas-exchange valves of an internal combustion engine
#158Compact lash adjuster feed channel apparatus
#159Valve timing control system
#160Oil supply circuit for cylinder deactivation system
#161Compact lash adjuster feed channel apparatus
#162Valve timing control device
#163Auxiliary cam phaser hydraulic circuit and method of operation
#164Engine
#165Apparatus for abnormal diagnosis of variable valve timing mechanism
#166Rotor for vane-type motor with reduced leakage
#167Compression ignition engine
#168Variable valve system of internal combustion engine and control method thereof
#169Variable valve timing control system of internal combustion engine
#170Engine oil system with oil pressure regulator to increase cam phaser oil pressure
#171System and method for variable valve timing
#172Hydraulically lockable variable camshaft phaser