Patents
Patents for F01L 13 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations (9,664)
05/2000
05/24/2000CN1052780C Valve mechanism for an internal combustion engine
05/23/2000US6065735 Electric valve universal retrofit configuration having misalignment correction
05/18/2000WO2000028198A1 Method of controlling the process of combustion in an internal combustion engine, and engine with means for varying the effective compression ratio of the cylinders
05/17/2000EP1000226A1 Valve control system for an internal combustion engine which can be switcched into drive or brake mode
05/16/2000US6062183 Variable valve operation control apparatus
05/11/2000WO2000026511A1 Valve control mechanism
05/11/2000DE19953346A1 Valve mechanism of internal combustion engine provided with one cylinder with pair of inlet valves comprises camshaft with pair of pause sections for holding inlet valves in closed pause conditions
05/11/2000DE19953171A1 Internal combustion engine with valve cut-off mechanism cuts off valve opening and closing operation of some of several outlet valves per cylinder in answer to running condition of engine
05/11/2000DE19952052A1 Electromagnetic motor valve drive system for internal combustion engine has armature between two electromagnets with neutral position springs, damper mechanism
05/11/2000DE19951052A1 Engine braking system for internal combustion engine includes outlet valve with valve stem, also exhaust cam with first cam projection opening outlet valve during exhaust phase of engine
05/09/2000US6058896 Variable valve control for an internal combustion engine
05/09/2000US6058895 Means for the actuation of valves on a reciprocating engine with a variable valve lift, in particular a reciprocating internal combustion engine
05/03/2000EP0997615A2 Automatic decompression valve for an internal combustion engine
05/02/2000US6058348 Control apparatus for drive system composed of engine and transmission
05/02/2000US6055952 Automatic decompression device
05/02/2000US6055949 Variable valve actuator apparatus
05/02/2000US6055948 Internal combustion engine control system
04/2000
04/29/2000CA2282992A1 Automatic decompression valve for an internal combustion engine
04/27/2000DE19843174A1 Verfahren zum Steuern einer Brennkraftmaschine A method for controlling an internal combustion engine
04/26/2000EP0995885A2 Rocker arm device for simultaneous control of valve lift and relative timing in a combustion engine
04/26/2000CN1251637A Adjustment mechanism for valve
04/25/2000US6053135 Variable valve timing mechanism
04/25/2000US6053134 Cam operating system
04/25/2000US6053133 Tappet for an internal combustion engine valve drive
04/20/2000DE19848015A1 Automatic decompression valve for IC engines consists of back pressure valve with two openings and of different sizes and second valve, to ease starting phase
04/18/2000US6050239 Control arrangement for an internal combustion engine
04/11/2000US6047669 Engine rotation reversal mechanism
04/06/2000DE19845362A1 Arrangement for variable control of valves of combustion engine, having two cam shafts controlled over at least five gears which are connected through system of at least four coupling bars
04/05/2000EP0990776A1 Internal combustion engine with 2 cylinder banks in V arrangement
04/05/2000EP0990775A1 Revolution speed control apparatus for an internal combustion engine
04/05/2000EP0990774A1 Three-dimensional cam device and method of making a three-dimensional cam for a valve drive system for engines
04/04/2000US6044816 Variable valve control for an internal combustion engine
04/04/2000US6044807 Reverse rotation control apparatus for a two-cycle engine of a motor vehicle
03/2000
03/30/2000WO2000017494A1 Method for controlling an internal combustion engine
03/30/2000DE19940854A1 Engine control system has calculation unit to compute valve opening timing of inlet valve, based on computed air fuel ratio target
03/30/2000DE19906463C1 Supercharged internal combustion motor with an exhaust feedback has an additional outlet valve at the control valves for the cylinders to set the exhaust feedback for the most effective motor running
03/30/2000DE19844202A1 Internal combustion engine valve tappet comprises inner and outer section coupled and decoupled via spring-powered slide in section mountings to maximize or zero gas valve stroke
03/30/2000DE19843588A1 Brennkraftmaschine mit zwei in V-form angeordneten Zylinderbänken Internal combustion engine with two arranged in a V-shaped cylinder banks
03/28/2000US6041746 Variable valve actuation apparatus
03/21/2000US6039022 Co-axial master piston assembly
03/21/2000US6039021 Method and arrangement for controlling an internal combustion engine having lean-burn operation
03/21/2000US6039010 Reverse rotation control apparatus for a two-cycle engine of a motor vehicle
03/16/2000DE19941367A1 Automotive engine with valve tappet uses tappet and spring and inlet groove arranged to permit smooth tappet insertion and offset camshaft admission.
03/15/2000EP0839263B1 Compression release engine brakes with electronically controlled, multi-coil hydraulic valves
03/14/2000US6035818 Variable valve control apparatus
03/09/2000WO2000012895A2 Valve seating control device with variable area orifice
03/09/2000WO2000012876A1 Valve timing for an internal combustion engine
03/09/2000WO2000012875A1 Switchable valve gear for an internal combustion engine
03/09/2000WO2000012874A1 Switchable valve gear for an internal combustion engine
03/09/2000WO2000012873A1 Cam operating system
03/09/2000DE19942110A1 Valve lifter for three-dimensional cam and adjustable valve actuator has cylindrical outer surface and projection on thick-walled section
03/09/2000DE19932644A1 Verbrennungsmotor mit einer Hybrid-Ventilbetätigungseinrichtung Combustion engine having a hybrid valve actuator
03/09/2000DE19927950A1 Exhaust valve timing controller for maintaining braking effect in in-cylinder injection engine system
03/09/2000DE19840639C1 Brennkraftmaschine mit einer Motorbremseinrichtung Internal combustion engine with an engine braking means
03/08/2000EP0984141A2 Engine braking system for internal combustion engine
03/08/2000EP0984140A2 Combustion engine with an engine brake device
03/08/2000CN1246911A Multi-cylinder diesel engine with variable valve actuation device
03/07/2000US6032643 Decompression engine brake device of automotive internal combustion engine
03/07/2000US6032625 Variable valve control for internal combustion engines
03/07/2000US6032624 Engine valve actuating devices
03/02/2000WO2000011336A1 Hydraulically-actuated fail-safe stroke-limiting piston
03/02/2000DE19913790A1 Ventilsteuerung für einen Verbrennungsmotor Valve control for an internal combustion engine
03/02/2000DE19839431A1 Tappet for valve gear of internal combustion engine comprises circular ring-shaped section activated in its base area by at least one cam with large lift
03/02/2000DE19839420A1 Motorbremseinrichtung für eine Brennkraftmaschine Engine braking device for an internal combustion engine
03/02/2000DE19838926A1 Schaltbarer Ventiltrieb einer Brennkraftmaschine Switchable valve train of an internal combustion engine
03/02/2000DE19838909A1 Schaltbarer Ventiltrieb einer Brennkraftmaschine Switchable valve train of an internal combustion engine
02/2000
02/29/2000US6029618 Variable valve actuation apparatus
02/24/2000WO2000009868A1 Variable lift and timing system for valves
02/24/2000DE19939619A1 Four-stroke engine has controller that sets outlet valve timing for closure near TDC; mixture ignited near TDC for high load; closure advanced, compression ignition used for lower load
02/24/2000DE19939384A1 Rocking valve lifting mechanism for internal combustion engines has valve lifter with surface in which guide slot is formed and with enlarged section across its width to accommodate widened section of pusher
02/24/2000DE19837098A1 Verfahren zum Betrieb einer mehrzylindrigen Brennkraftmaschine und Ventiltrieb einer mehrzylindrigen Brennkraftmaschine Method for operating a multicylinder internal combustion engine valve train and a multi-cylinder internal combustion engine
02/23/2000EP0980965A2 Working method for an engine with 2 cylinder groups, and valve drive in an engine with 2 cylinder groups
02/23/2000CN1245245A Valve operating system for IC engine
02/17/2000WO2000008309A1 Variable valve timing mechanism
02/17/2000DE19836540A1 Fuel injection pump valve control has a valve rocker operated by a cogwheel on a threaded shaft rotated by the cogwheel at a linear slide for an infinitely variable setting
02/15/2000US6024060 Internal combustion engine valve operating mechanism
02/09/2000EP0978637A2 Valve operating system for internal combustion engine
02/03/2000DE19837094C1 Method of compressing air using vehicle internal combustion engine
02/01/2000US6019076 Variable valve timing mechanism
01/2000
01/26/2000EP0974740A2 Compression release engine braking system
01/26/2000EP0974739A1 Rod drive for a variable valve drive in an internal combustion engine
01/25/2000US6016779 Valve operating system in internal combustion engine
01/20/2000WO2000003127A1 Internal combustion engine
01/20/2000DE19832382A1 Koppelgetriebe für eine variable Ventilsteuerung von Brennkraftmaschinen Coupling mechanism for variable valve control of internal combustion engines
01/20/2000DE19832381A1 Internal combustion engine valve control mounts intermediate gears of coupler and servomotor output gear on opposite sides of cylinder.
01/20/2000DE19831486A1 Coupler transmission for variable valve control, which sets itself if setting drive fails, and can be set to correspond to engine minimum load setting
01/19/2000EP0775251B1 Exhaust valve mechanism in an internal combustion engine
01/18/2000CA2113988C Intake system for internal combustion engine
01/13/2000DE19830168A1 Valve control for IC engine, has rocker arms mounted on eccentric supports and with solenoid controls to inhibit valve action on selected cylinders
01/12/2000EP0970300A1 Valve gear for gas exchange valves of internal combustion engines
01/11/2000US6012424 Method and apparatus to accomplish exhaust gas recirculation and/or engine braking to overhead cam internal combustion engines
01/05/2000DE19828946A1 Procedure for control of running reciprocating piston internal combustion engine
01/05/2000DE19828945A1 Gear for activating and de-activating gas exchange valve of internal combustion engine
01/04/2000US6009842 Fuel injection system for a multicylinder internal combustion engine with a fuel supply line serving as a high pressure storage device
01/04/2000US6009841 Internal combustion engine having hybrid cylinder valve actuation system
12/1999
12/29/1999EP0966595A1 Operating mechanisms for valves
12/29/1999CN1047821C Variable valve lift mechanism for internal combustion engine
12/28/1999US6006706 Method and apparatus for controlling valve mechanism of engine
12/23/1999WO1999051864A3 Hydraulic lash adjuster with compression release brake
12/22/1999EP0843780B1 Four-cycle internal combustion engines with two-cycle compression release braking
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