Patents
Sitemap › F01 - Machines or engines in general; Engine plants in general; Steam engines › F01L - Cyclically operating valves for machines or engines › F01L 9 - Valve-gear or valve arrangements actuated non-mechanically
Patents for F01L 9 - Valve-gear or valve arrangements actuated non-mechanically (7,196)
08/1989
08/16/1989EP0328193A1 Pneumatically powered valve actuator
08/16/1989EP0328192A1 Repulsion actuated potential energy driven valve mechanism
08/08/1989US4854273 Oil pressure control apparatus for an internal combustion engine
08/03/1989DE3802836A1 Internal combustion engine
08/01/1989US4852531 Titanium carbides and borides; metal matrix composites
08/01/1989US4852528 Pneumatic actuator with permanent magnet control valve latching
07/1989
07/11/1989US4846120 Method of operating an internal combustion engine
06/1989
06/29/1989DE3841997A1 Ventilantriebssystem A valve operating system
06/27/1989US4841923 Method for operating I.C. engine inlet valves
06/15/1989DE3741214A1 Hydraulic variable valve timing system for reciprocating-piston engines or machines
05/1989
05/31/1989EP0317725A1 Poppet valve control device
05/24/1989EP0317372A1 Apparatus for controlling valve operation in an internal combustion engine
05/24/1989EP0317371A1 Valve operating device for internal combustion engine
05/24/1989EP0317364A1 Valve operating system for internal combustion engine
05/24/1989CN1033091A Method of controlling closing movement of hydraulically activated exhaust valve in marine diesel engine, and exhaust valve for use in this method
05/23/1989US4831973 Repulsion actuated potential energy driven valve mechanism
05/16/1989US4829947 Variable lift operation of bistable electromechanical poppet valve actuator
05/11/1989DE3736595A1 Hydraulically actuated valve control for internal combustion engines
05/10/1989CN1032837A Valve assembly of internal combustion engine
05/10/1989CN1032836A Hydraulic engine valve lifter assembly
04/1989
04/25/1989US4823825 Method of operating an electromagnetically actuated fuel intake or exhaust valve of an internal combustion engine
04/19/1989EP0312216A2 Valve operation control system in internal combustion engine
04/18/1989US4821689 Valve drive with a hydraulic transmission and a characteristic variable by means of a link control
04/06/1989WO1989002975A1 Hydraulic engine valve lifter assembly
03/1989
03/28/1989US4815421 Internal combustion engine with adjustable flow exhaust system
03/28/1989US4815275 Combustion engine with exterior combustion chamber
03/22/1989EP0307637A1 Valve control for an internal-combustion engine by means of an offset-driven rotary-piston pump
03/21/1989US4813395 Two-cycle engine and method of operation
03/15/1989EP0306735A1 Valve control for an internal-combustion engine by means of a rotary-piston pump using an intermittent flow rate
03/08/1989CN1031583A Valve gear for internal combustion machine driven by uneven pumping power of rotary piston pump
03/08/1989CN1031582A Valve gear for internal combustion machine driven by eccentric rotary piston pump
01/1989
01/24/1989US4799462 Hydraulic valve drive for internal combustion engines
01/10/1989US4796584 Intake control system for internal combustion engine and intake control valve used therein
01/10/1989US4796573 Hydraulic engine valve lifter assembly
01/03/1989US4794891 Method for operating an internal combustion engine
01/03/1989US4794890 Electromagnetic valve actuator
12/1988
12/28/1988CA1247483A Compression release engine retarder for multi- cylinder internal combustion engines
12/22/1988DE3718334A1 Device for varying the valve timing in reciprocating piston engines
12/20/1988US4791895 Electro-magnetic-hydraulic valve drive for internal combustion engines
11/1988
11/16/1988CN88102531A Scavenge valve for two-cycle engine
11/16/1988CN88101704A Two-cycle engine and method of operation
11/15/1988US4784367 Scavenge valve for a two-cycle engine
11/15/1988US4784178 Valve unit
11/08/1988US4782798 Timing mechanism
11/03/1988WO1988008482A1 Scavenge valve for a two-cycle engine
11/03/1988WO1988008481A1 Two-cycle engine and method of operation
11/03/1988DE3712712A1 Method and device for controlling the charge cycle of internal combustion engines
10/1988
10/25/1988US4779582 Bistable electromechanical valve actuator
10/18/1988US4777915 Variable lift electromagnetic valve actuator system
09/1988
09/28/1988EP0283671A1 Internal combustion engine inlet valve control process
09/07/1988EP0281192A1 Electromagnetic valve actuator
08/1988
08/24/1988EP0279265A1 Valve device with a hydraulic transmission and variable characteristic by means of sliding valve control
08/24/1988CN88100461A Valve gear with hydranlic transfer and variable characteristic controlled link motion
08/23/1988US4765288 Valve control arrangement
08/17/1988EP0229793B1 Method for operating an internal combustion engine
08/17/1988EP0229792B1 Method for operating an internal combustion engine
08/09/1988US4762095 Device for actuating a fuel-exchange poppet valve of a reciprocating internal-combustion engine
07/1988
07/28/1988DE3801363A1 Device for controlling inlet or exhaust valves
07/28/1988DE3738556A1 Device for the hydraulic shut-down of at least one valve, especially an intake valve of an internal combustion engine
07/12/1988CA1239063A1 Valve timing control device
06/1988
06/16/1988DE3739775A1 Arrangement for valve actuation
06/07/1988US4749167 Two position mechanism
05/1988
05/24/1988CA1237034A1 Engine valve timing control system
05/17/1988US4744384 Automatic gas distributing device controlled by a direct application of high gas pressure of a source for supplying a pipe with gas from an alternative gas source
04/1988
04/27/1988EP0264706A1 Internal-combustion engine operating process
04/14/1988DE3733704A1 Method for the operation of an internal combustion engine
03/1988
03/24/1988WO1988002059A1 Variable lift cam follower
02/1988
02/16/1988US4724801 Hydraulic valve-operating system for internal combustion engines
02/10/1988EP0255668A2 Hydraulic valve control device
02/04/1988DE3625664A1 Device for influencing the valve stroke controlled by a cam
02/03/1988EP0255003A2 Automatic gas distributing device, for supplying a pipe with gas from an alternative gas source, controlled by the direct application of high gas pressure of the source
02/03/1988EP0254967A2 Hydraulic valve control device
02/02/1988US4722315 Method for improved internal exhaust gas recirculation in an internal combustion engine
01/1988
01/19/1988US4719882 Electromagnetic-positioning system for gas exchange valves
01/14/1988DE3621402A1 Hydraulically actuated tappet
01/05/1988US4716863 Internal combustion engine valve actuation system
01/05/1988US4716862 Oleodynamic distribution system, with separate control of the suction and exhaust valves, with continuous timing setting with running engine, for all four-stroke cycle engines
01/05/1988US4716720 Combustion engine with exterior combustion chamber
12/1987
12/29/1987US4715332 Electromagnetically-actuated positioning system
12/29/1987US4715331 Electromagnetically-actuated positioning mechanisms
12/29/1987US4715330 Electromagnetically-actuated positioning mechanism
12/17/1987WO1987007677A1 Variable actuator for a valve
11/1987
11/19/1987EP0245614A1 Poppet valve control device for a reciprocating piston internal-combustion engine
11/17/1987US4706619 Method of current pulse operation
11/11/1987EP0244878A2 Electromagnetic-hydraulic valve drive for an internal-combustion engine
10/1987
10/08/1987DE3611476A1 Method for the actuation of valves for exhaust and refill in internal combustion engines with direct hydraulic transmission
10/01/1987DE3708777A1 Valve gear for diesel internal combustion engines
09/1987
09/29/1987US4696265 Device for varying a valve timing and lift for an internal combustion engine
09/22/1987US4694787 Automatic fluid distributing valve timing device
09/08/1987US4691672 Cybernetic engine
08/1987
08/13/1987DE3604233A1 Valve control device for a reciprocating piston internal combustion engine
07/1987
07/29/1987EP0229880A1 Process and circuit for the periodic control of an electromagnet
07/29/1987EP0229792A1 Method for operating an internal combustion engine.
07/28/1987US4682574 Electromagnetically-actuated positioning system
07/22/1987EP0229147A1 Rotating valve device for internal combustion engines
06/1987
06/23/1987US4674451 Valve control arrangement for internal combustion engines with reciprocating pistons
06/23/1987US4674450 Internal combustion engines
06/16/1987EP0225444A1 Process for the control of an electromagnet
06/09/1987US4671221 Valve control arrangement
06/03/1987EP0224152A1 Mechanical-hydraulic valve control process for engines and machines
1 ... 61 62 63 64 65 66 67 68 69 70 71 72