Patents
Sitemap › F01 - Machines or engines in general; Engine plants in general; Steam engines › F01L - Cyclically operating valves for machines or engines › F01L 13 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
Patents for F01L 13 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations (9,664)
12/2002
12/17/2002US6494173 Valve timing control system for internal combustion engine
12/17/2002US6494172 Apparatus and method for controlling electromagnetically operable engine valve assembly
12/12/2002US20020185099 Method and apparatus for controlling electromagnetic driving valve for internal combustion engine
12/12/2002US20020185095 Switchable tappet for directly transmitting a cam lift onto a tappet push rod
12/12/2002US20020185091 Engine valve actuator with valve seating control
12/12/2002DE10127499A1 Electromechanical valve drive for internal combustion engines has individual electronically controlled valves, usual parts required for operating valves replaced by electromechanical actuators
12/11/2002EP1264967A2 Mechanical lash adjuster apparatus for an engine cam
12/11/2002CN1095924C Adjustment mechanism for valve
12/10/2002US6491008 Variable valve timing adjustable roller rocker arm assembly
12/05/2002WO2002097244A1 Valve timing mechanism for a rotary valve internal combustion engine
12/05/2002DE10156052A1 Steuersystem zur zeitlichen Abstimmung der Ventile für einen Verbrennungsmotor A control system for the timing of the valves for an internal combustion engine
12/04/2002CN2523954Y Automatic pressure reducer
11/2002
11/28/2002WO2002095203A1 Method and system for engine braking in an internal combustion engine
11/28/2002WO2002095193A1 Valvegear mechanism for an internal combustion engine
11/28/2002US20020177939 Apparatus and method for two-step intake phased engine control system
11/28/2002US20020177938 Apparatus and method for early intake valve closing
11/28/2002US20020174849 Method and system for engine braking in an internal combustion engine using a stroke limited high pressure engine brake
11/28/2002US20020174846 Valve system for engine
11/28/2002US20020174841 Engine valve timing controller
11/28/2002US20020174654 Method and system for engine braking in an internal combustion engine with exhaust pressure regulation and turbocharger control
11/28/2002DE10211038A1 Kipphebelanordnung Rocker arm assembly
11/28/2002DE10125701A1 Drag lever, for a switched gas exchange valve, has a supported end which can be locked and released at the lever, with a hydraulic lock operation to move a sliding bolt
11/28/2002DE10125082A1 Valve drive device for an internal combustion engine comprises a piston having a device for attaching a tool for mechanical stroke actuation for play-free closing of the contact surfaces of a trailing lever and a valve drive element
11/27/2002EP1260681A2 Valve tappet
11/27/2002EP1259713A1 A small four-cycle engine having compression relief to facilitate starting
11/27/2002CN1382245A Engine valve characterstic controller
11/26/2002US6484681 Outboard motor
11/26/2002US6484677 Transitions among operating modes in an engine with a hybrid valvetrain
11/21/2002WO2002092972A1 Gas driving device for variable adjustment of the lift of a gas exchange valve of an internal combustion engine
11/21/2002DE10158506A1 Ventileinstellungs-Steuersystem für Verbrennungsmotoren A valve timing control system for internal combustion engines
11/21/2002DE10158505A1 Ventileinstellungs-Steuersystem für Verbrennungsmotoren A valve timing control system for internal combustion engines
11/21/2002DE10123964A1 Switchable tappet for internal combustion engine has coil compression spring which widens conically towards pushrod
11/21/2002DE10123963A1 Tappet for valve drive has two opposite flat spots on inner head part to free outer cams
11/21/2002DE10122152A1 Assembly aid for leg spring of variable-lift valve drive releasably connects first and second arms of spring with intermediate arm in prestressed working position
11/20/2002EP1258603A1 Vehicle engine with engine braking device and exhaust gases recirculation
11/20/2002EP1258601A2 Variable-valve-actuation apparatus for internal combustion engine
11/19/2002US6481409 Electro-hydraulic control module for deactivating intake and exhaust valves
11/19/2002US6481401 Device for independent hydraulic actuation of the phase and axial position of a camshaft
11/19/2002US6481400 Valve deactivation assembly with partial journal bearings
11/19/2002US6481399 Mechanical regulation of the stroke adjustment of an intake valve of an internal-combustion engine
11/19/2002US6481398 High-low speed range switching type valve mechanism for internal combustion engine
11/19/2002US6481397 Variable valve drive system for an internal combustion engine
11/14/2002WO2002090728A1 Device for controlling valve kinematics
11/14/2002WO2002090727A1 A retractable seat valve and method for selective gas flow control in a combustion chamber
11/14/2002US20020166527 Valve timing control system for internal combustion engine
11/14/2002US20020166526 Valve timing control system for internal combustion engine
11/14/2002US20020166525 Desmodromic valve actuation system
11/14/2002US20020166524 Variable-valve-actuation apparatus for internal combustion engine
11/14/2002US20020166523 Variable valve actuator assembly having a secondary actuator
11/14/2002US20020166522 Valve timing control system for internal combustion engine
11/14/2002DE10123186A1 Valve gear device for variable lift adjustment is for gas exchange valve of internal combustion engine and has valve vai intermediary of transmission component effectively connected to roller movable around rotary axis
11/14/2002DE10122373A1 Selectable support element for trailing lever in automotive engine valve
11/14/2002DE10119686A1 Valve gear, for an IC motor, has a structured intermediate lever mounted under the camshaft to give a variable opening characteristic according to the motor loading and its speed
11/13/2002EP1255916A1 Mechanical compression release
11/13/2002EP1255915A2 Direct lever overhead valve system
11/13/2002EP1157192A4 Cam and cam followers for engines
11/12/2002US6478009 Multicylinder internal combustion engine with an engine braking system
11/12/2002US6477998 Cam actuated continuous simultaneously variable valve timing and lifting assembly
11/12/2002US6477997 Apparatus for controlling the operation of a valve in an internal combustion engine
11/12/2002US6477996 Variable valve timing system
11/07/2002US20020162535 Control apparatus of internal combustion engine and control method thereof
11/07/2002US20020162530 Multicylinder internal combustion engine with an engine braking system
11/07/2002US20020162526 Retractable seat valve and method for selective gas flow control in a combustion chamber
11/07/2002US20020162522 Mechanical control of the intake valve lift adjustment in an internal combustion engine
11/07/2002DE10121798A1 Valve gear for internal combustion engine has valve operating element with rotatably mounted stepped roller with center section of larger diameter and edge sections on both sides with smaller diameter
11/06/2002EP1255027A1 Mechanic control of variable lift of an intake valve of an internal combustion engine
11/05/2002US6474296 Lash adjustment for use with an actuator
11/05/2002US6474281 Valve control mechanism
11/05/2002US6474277 Method and apparatus for valve seating velocity control
11/05/2002US6474273 Control system for reversible internal combustion engine
10/2002
10/31/2002US20020157631 Automatic decompression device
10/31/2002US20020157627 Electrically rotatable shaft
10/31/2002US20020157626 Electrically rotatable shaft
10/31/2002US20020157625 Electrically rotatable shaft
10/31/2002US20020157624 Captive volume accumulator for a lost motion system
10/31/2002US20020157396 Internal combustion engine provided with a decompression-type braking device and with a turbocharger having a variable geometry turbine
10/31/2002DE10152721A1 Vorrichtung zur Einstellung des Ventilhubs Device for adjusting the valve lift
10/31/2002DE10120451A1 Elektromotorisch verdrehbare Welle Electric motor rotatable shaft
10/31/2002DE10120450A1 Elektromotorisch verdrehbare Welle Electric motor rotatable shaft
10/31/2002DE10120449A1 Elektromotorisch verdrehbare Welle Electric motor rotatable shaft
10/30/2002EP1084330B1 Valve timing system for an internal combustion engine
10/29/2002US6470869 Direct injection variable valve timing engine control system and method
10/29/2002US6470851 Method and apparatus of controlling the actuation of a compression brake
10/29/2002US6470841 Valve operating system for internal combustion engines
10/29/2002US6470840 Cylinder head structure
10/24/2002WO2001059268A9 A small four-cycle engine having compression relief to facilitate starting
10/24/2002US20020152984 Pulse drive valve deactivator
10/24/2002US20020152976 Cam actuated continuous simultaneously variable valve timing and lifting assembly
10/24/2002US20020152974 Apparatus for adjusting valve lift
10/24/2002DE10119366A1 Hydraulic system for internal combustion engine has coupling, valve drive element, track, hole, ducts, hydraulic pump, connection
10/24/2002DE10111511A1 Schaltbarer Stößel zur direkten Übertragung eines Nockenhubes auf eine Stößelstange Switchable tappet for direct transmission of a cam lift to a push rod
10/23/2002EP1049857B1 Device for interrupting the power flux between at least one valve and at least one cam of a camshaft
10/22/2002US6467456 Engine ignition timing control system for outboard motors
10/22/2002US6467445 Deactivation and two-step roller finger follower having a slider bracket
10/22/2002US6467444 Valve operating system in internal combustion engine
10/22/2002US6467443 Valve operating device of internal combustion engine
10/22/2002US6467442 Direct injection variable valve timing engine control system and method
10/22/2002US6467166 Method of forming a camshaft for an engine
10/17/2002WO2002081877A1 Decompressor for 4-stroke cycle internal combustion engine
10/17/2002WO2002081872A1 Variable valve timing system
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