Patents for F01L 1 - Valve-gear or valve arrangements, e.g. lift-valve gear (30,520)
01/2004
01/01/2004US20040000216 Connecting rod for internal combustion engine
01/01/2004US20040000213 Camshaft
12/2003
12/31/2003WO2004001213A1 Engine for scooter
12/31/2003WO2004001199A2 Improvements to latchable cam-lobe systems for poppet valve motion control
12/31/2003WO2004001198A1 A stroke adjusting device for valves of a combustion engine
12/31/2003WO2004001197A1 Four stroke engine with unique overhead valve per cylinder
12/31/2003CN2596020Y Air valve actuating mechanism of engine with no valve spring
12/31/2003CN1132996C Driving device for valve of engine
12/31/2003CN1132995C 发动机的阀装置 Engine valve device
12/30/2003US6671610 Process and device for electronically controlling actuators of a combustion engine with variable gas exchange control
12/30/2003US6669567 Device for hydraulically adjusting the angle of rotation of a shaft relative to a driving wheel
12/30/2003US6668779 Two-step finger follower rocker arm assembly
12/30/2003US6668778 Using differential pressure control system for VCT lock
12/30/2003US6668777 Arrangement for the relative angle-of-rotation adjustment of a camshaft of an internal-combustion engine with respect to a driving wheel
12/30/2003US6668776 Deactivation roller hydraulic valve lifter
12/30/2003US6668775 Lock-pin cartridge for a two-step finger follower rocker arm
12/30/2003US6668774 Non-contacting apparatus for determining relative rotary position of two elements
12/30/2003US6668772 Linear actuator apparatus and actuating control method
12/30/2003US6668546 Utilization of air-assisted direct injection, cylinder deactivation and camshaft phasing for improved catalytic converter light-off in internal combustion engines
12/30/2003CA2103629C Boat-type rocker arm with stiffening member
12/25/2003US20030236610 Method for estimating engine parameters
12/25/2003US20030233990 Apparatus for controlling internal combustion engine equipped with variable valve timing control device
12/24/2003WO2003107523A1 Electroactive polymer devices for controlling fluid flow
12/24/2003WO2003106832A1 Cylinder head of a reciprocating internal combustion engine
12/24/2003WO2003106819A1 Unit trigger actuation
12/24/2003WO2003106818A1 Variable valve actuation mechanism with oscillating cam
12/23/2003US6666181 Hydraulic detent for a variable camshaft timing device
12/23/2003US6666180 Valve timing control device
12/23/2003US6666179 Camshaft for the operation of valves of an internal-combustion engine
12/23/2003US6666178 Valve deactivation with an electro-hydraulic actuator
12/23/2003CA2323383C Overhead camshaft v-2 engine
12/18/2003WO2003104618A1 Desmodromic valve gear
12/18/2003US20030230270 Finger lever of a valve train of an internal combustion engine
12/18/2003US20030230269 Method to reduce rotational oscillation of a vane style phaser with a center mounted spool valve
12/18/2003US20030230268 Method to vent air from a cam phaser with a center mounted spool valve
12/18/2003US20030230267 Control method for dual dependent variable CAM timing system
12/18/2003US20030230266 VCT solenoid dither frequency control
12/18/2003US20030230265 Control method for transitions between open and closed loop operation in electronic VCT controls
12/18/2003US20030230264 Compensating for VCT phase error over speed range
12/18/2003US20030230263 VCT cam timing system utilizing calculation of intake phase for dual dependent cams
12/18/2003US20030230262 Control method for achieving expected VCT actuation rate using set point rate limiter
12/18/2003US20030230261 Control method for preventing integrator wind-up when operating VCT at or near its physical stops
12/18/2003US20030230260 Assembled camshaft for engine and production method thereof
12/18/2003DE10220838C1 Brennkraftmaschine Internal combustion engine
12/17/2003EP1371833A1 Internal combustion engine with at least two intake ducts per cylinder and asymmetric exhaust valve lift curve
12/17/2003EP1371819A2 Method to reduce rotational oscillation of a vane style phaser with a center mounted spool valve
12/17/2003EP1371818A2 Locking pin for vane type camshaft phaser
12/17/2003EP1371817A2 Method to vent air from a cam phaser with a center mounted spool valve
12/17/2003EP1371816A2 Assembled Camshaft for Engine and Production Method Thereof
12/17/2003EP1370749A1 Device for adjusting the angle of rotation of a camshaft of an internal combustion engine with regard to a drive gear
12/17/2003CN1131370C Air valve controlling system for IC engine
12/17/2003CN1131369C Valve operation system of IC engine
12/16/2003US6665605 System and method for controlling an engine
12/16/2003US6665165 Control method for the actuator of a variable valve train
12/16/2003US6662791 Four-cycle overhead valve engine
12/16/2003US6662771 Timing chain lubricating system for engine
12/16/2003US6662770 Valve rotating device
12/16/2003US6662769 Valve timing control device
12/16/2003US6662763 De′ sax′ e two cycle engine, constant pressure adiabatic compound “C.P.A.C.”
12/11/2003WO2003102386A1 A device and a method for the generation of pressure pulses
12/11/2003WO2003102385A1 A method and device for pressure pulse generation
12/11/2003WO2003102384A1 Hydraulically actuated, variable valve drive of an internal combustion engine
12/11/2003WO2003102381A1 Device for effecting the relative angular adjustment between two rotating elements
12/11/2003US20030226537 Ring valve for 4-stroke piston engine
12/11/2003US20030226534 Valve timing control device for internal combustion engine
12/11/2003US20030226533 Valve timing control system for an internal combustion engine
12/11/2003US20030226532 Valve timing adjusting device
12/11/2003US20030226531 Valve mechanism of internal combustion engine
12/11/2003US20030226530 System for variably actuating valves in internal combustion engines
12/11/2003US20030226529 Valve timing control apparatus for an internal combustion engine
12/11/2003US20030226256 Method for assembling a vane-type cam phaser
12/10/2003EP1368153A1 Method for assembling a camshaft
12/10/2003CN2591230Y Internal combustion engine valve driver
12/10/2003CN1460773A Valve system for internal combustion engine
12/10/2003CN1460772A Valve system for internal combustion engine
12/10/2003CN1130496C Valve operating system for IC engine
12/09/2003US6659056 Valve train with a single camshaft
12/09/2003US6659055 Valve-timing control method and apparatus for controlling valve timing of a valve of an engine
12/09/2003US6659052 Engageable cam follower or engageable lifter element
12/04/2003WO2003100239A1 Cylindrical crankcase for an internal combustion engine
12/04/2003WO2003100222A1 Camshaft adjuster
12/04/2003US20030223664 Bearing apparatus for camshaft in engine
12/04/2003US20030221663 Compact lost motion system for variable valve actuation
12/04/2003US20030221649 Hydraulic lifter feed gallery with aeration removal orifice
12/04/2003US20030221648 Valve opening/closing timing control apparatus and method
12/04/2003US20030221647 Variable valve timing device
12/04/2003US20030221646 Variable valve timing control device
12/04/2003US20030221645 Valve system for internal combustion engine
12/04/2003US20030221644 Engine valve actuation system
12/03/2003EP1367256A1 Method for preparing an internal combustion engine to start
12/03/2003EP1367231A1 Valve lift control for internal combustion engines of vehicles
12/03/2003EP1367229A1 Variable cam engine and method for controlling the variable cam engine
12/03/2003EP1367228A1 Two-step finger follower rocker arm assembly
12/03/2003EP1367227A2 Pre-assemblied chain drive with mounting aid
12/03/2003EP1366279A1 Control device for spark-ignition engine
12/03/2003CN2589683Y Direct-acting gapless air valve device
12/03/2003CN2589682Y Combined push bar for internal combustion engine
12/03/2003CN1460147A Decompressor for 4-stroke cycle IC engine
12/03/2003CN1459551A Force changeable solenoid for controlling phase angle of cam mounted with phaser
12/03/2003CN1129704C Air door valve rock arm installation of top set valve type engine