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)
01/1999
01/05/1999US5855190 For a reciprocating machine
12/1998
12/24/1998DE19747032C1 Variable valve drive for internal combustion engine
12/23/1998EP0886038A2 Camless engines with compression release braking
12/23/1998EP0886037A2 Camless engines with compression release braking
12/23/1998CN1202573A Improved mode selective internal combustion engine
12/22/1998USRE36007 Method and apparatus for control of engine compression brakes before during and after an electronically controlled gear shift
12/22/1998US5850811 Apparatus for controlling timings of exhaust valves and method thereof
12/08/1998US5845614 Valve operating system in internal combustion engine
12/03/1998DE19824235A1 Control method for IC engine of motor vehicle with ABS
12/03/1998DE19721749A1 Variable valve-lift system for four stroke internal combustion engine
12/02/1998EP0880641A2 Camshaft and valve actuating mechanism with said camshaft
12/01/1998US5842453 Device in a cylinder head for an internal combustion engine
11/1998
11/26/1998WO1998053185A1 Cam follower for a valve gear in an internal combustion engine
11/26/1998WO1998026161A3 Camshaft and valve actuating mechanism with said camshaft
11/26/1998EP0880641A3 Camshaft and valve actuating mechanism with said camshaft
11/26/1998DE19822484A1 Air/fuel ratio control unit for internal combustion engine
11/26/1998DE19721208A1 Nockenfolger eines Ventiltriebs einer Brennkraftmaschine Cam follower of a valve train of an internal combustion engine
11/24/1998US5839453 Internal combustion engines with combined cam and electro-hydraulic engine valve control
11/24/1998US5839400 Internal combustion engine with variably actuated valves
11/24/1998CA2072404C Variable valve actuation control system
11/19/1998DE19821228A1 Internal combustion engine valve gear
11/19/1998DE19719938A1 Engine brake system for especially diesel multicylinder engine
11/17/1998US5836274 Multi valve engine with variable valve operation
11/10/1998US5832891 Valve gear mechanism for a multi-cylinder internal combustion engine
11/10/1998US5832889 Valve driving apparatus
11/10/1998US5832885 Hybrid internal combustion engine
11/10/1998US5832884 Device and method for operating a valve drive of an internal combustion engine
11/05/1998WO1998049429A1 Method of manufacturing a multi-component camshaft
11/05/1998DE19814888A1 Variable valve control mechanism
11/04/1998EP0705383B1 Valve mechanism for an internal combustion engine
11/03/1998US5829397 System and method for controlling the amount of lost motion between an engine valve and a valve actuation means
10/1998
10/28/1998EP0874139A2 Valve operating device of an internal combustion engine
10/27/1998US5826551 Process and device for controlling the lift of an internal combustion engine valve
10/22/1998DE19752414A1 Adjustable valve system for IC engine
10/20/1998US5823153 In combustion chambers of an engine
10/20/1998US5823151 Valve gear cam follower in an internal combustion engine
10/15/1998DE19723791C1 Piston engine exhaust gases decontamination method
10/08/1998DE19812183A1 Intake or exhaust valve control system of IC engine used in motor
10/08/1998DE19727584C1 Compression brake for internal combustion engine
10/07/1998EP0869262A2 Three dimensional cam, method and apparatus for measuring three dimensional cam profile, and valve drive apparatus
10/06/1998US5816208 Engine decompression device
10/01/1998WO1998042961A1 Valve gear for gas exchange valves of internal combustion engines
10/01/1998DE19735822C1 Internal combustion engine with control device e.g. for motor vehicle
09/1998
09/30/1998EP0867601A1 Valve driving apparatus for engine
09/29/1998US5813383 Variable displacement diesel engine
09/29/1998US5813377 For a reciprocating machine
09/29/1998US5813376 Apparatus for supplying oil in engine
09/29/1998US5813231 Engine compression braking apparatus utilizing a variable geometry turbocharger
09/24/1998WO1998041743A1 Switchable support element for a trailing lever of an internal combustion engine valve gear
09/23/1998EP0866217A1 Multivalve engine
09/23/1998EP0866216A1 Camshaft
09/23/1998EP0866215A1 Overhead cam shaft for unit injectors and internal combustion engine therewith
09/22/1998US5809964 Method and apparatus to accomplish exhaust air recirculation during engine braking and/or exhaust gas recirculation during positive power operation of an internal combustion engine
09/22/1998US5809958 Compression release for multi-cylinder engines
09/22/1998US5809955 Hydraulic actuator and variable valve driving mechanism making use of the same
09/22/1998US5809953 For a reciprocating machine
09/22/1998US5809952 Valve opening system of internal combustion engine
09/22/1998US5809842 Ceramic sliding component
09/17/1998DE19710578A1 Schaltbares Abstützelement für einen Schlepphebel eines Ventiltriebs einer Brennkraftmaschine Switchable support for a drag lever of a valve train of an internal combustion engine
09/15/1998US5806499 Drive train actuation assembly for an internal combustion engine
09/15/1998US5806476 Valve mechanism in an internal combustion engine
09/10/1998DE19708484A1 Device for changing valve motion of lifting valve, especially for gas shuttle valve
09/08/1998US5803040 Method for shutting down and restarting individual cylinders of an engine
09/08/1998US5803038 Dynamic valve mechanism for engine
09/08/1998US5803033 Valve drive apparatus for an internal combustion engine having a convex shim between a cam and a valve
09/08/1998US5803029 Valve performance controller for internal combustion engine
09/03/1998DE19807351A1 Internal combustion engine
09/03/1998DE19804575A1 Variable valve mechanism for i.c. engine
08/1998
08/27/1998WO1998037315A1 Operating mechanisms for valves
08/26/1998EP0860588A1 Dual lift valve actuation means
08/25/1998US5797368 Reciprocating piston internal combustion engine having at least one cylinder
08/20/1998WO1998036161A1 Internal combustion engine valve gear
08/20/1998WO1998036157A1 Adjustment mechanism for valves
08/20/1998DE19706361A1 Operating device for gas exchange valve of internal combustion engine
08/20/1998DE19705726A1 Ventiltrieb einer Brennkraftmaschine Valve train of an internal combustion engine
08/20/1998CA2280266A1 Adjustment mechanism for valves
08/18/1998US5794590 Engine brake for a multicylinder diesel engine
08/18/1998US5794589 Exhaust valve mechanism in an internal combustion engine
08/12/1998EP0857860A1 Narrow cam two-step lifter
08/12/1998EP0857859A1 Variable valve timing device
08/11/1998US5791307 Variable lift and timing system for valves
08/11/1998US5791306 Internal combustion engine speed-throttle control
08/06/1998WO1998034021A1 Engine braking and/or exhaust during egr
08/06/1998WO1998034014A1 Multi-cylinder diesel engine with variable valve actuation
08/04/1998US5787859 Method and apparatus to accomplish exhaust air recirculation during engine braking and/or exhaust gas recirculation during positive power operation of an internal combustion engine
08/04/1998US5787858 Engine brake with controlled valve closing
07/1998
07/30/1998WO1998032962A1 Exhaust gas recirculation device
07/30/1998WO1998032961A1 Exhaust gas recirculation device
07/30/1998DE19702389A1 Valve drive for internal combustion engine
07/30/1998DE19702284A1 Motor vehicle double cam-shaft variable valve control installable as variable cam-shaft regulation
07/30/1998DE19702194A1 Rocker arm valve drive for lifting valve
07/29/1998EP0855324A2 Automatic open/close operation system for train door
07/28/1998US5785017 For a reciprocating machine
07/23/1998DE19701203A1 Variable valve control for internal combustion engine
07/23/1998DE19701202A1 Variable valve control for internal combustion engine
07/23/1998DE19701201A1 Variable valve control for internal combustion engine of motor vehicle
07/23/1998DE19700736A1 Valve drive for internal combustion engine
07/22/1998EP0854280A1 Control device for an internal combustion engine
07/22/1998CN1188184A Decompression mechanism in engine
07/21/1998US5782216 Engageable tappet for a valve drive of an internal combustion engine
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