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)
11/1992
11/10/1992US5161494 For pivoting a rocker arm
10/1992
10/27/1992US5158109 Electro-rheological valve
10/27/1992US5158048 For use in a bore in the cylinder head
10/20/1992CA1308979C Valve operating device for internal combustion engine
10/15/1992WO1992017693A1 Dual compression and dual expansion internal combustion engine and method therefor
10/15/1992DE4125831A1 IC engine brake - has cylinder venting valve and solenoid driven valve with spring closure
10/14/1992EP0508523A1 Spring driven hydraulic actuator
10/14/1992EP0508518A1 Pneumatic preloaded actuator
10/13/1992US5154143 Electrohydraulic valve control device for internal combustion engines
10/07/1992EP0507521A1 Hydraulic valve control system for internal combustion engines
10/07/1992EP0507395A1 Highly efficient pneumatically powered hydraulically latched actuator
10/06/1992US5152260 Highly efficient pneumatically powered hydraulically latched actuator
10/06/1992US5152258 Hydraulic control device for poppet valves of combustion engines
09/1992
09/22/1992CA1307816C Energization of an electromagnet
09/16/1992EP0503635A1 Oil supply system in internal combustion engine
09/16/1992EP0502868A1 Closed loop electric valve control for i.c. engine
09/02/1992CN1018077B Valve assembly of internal combustion engine
08/1992
08/25/1992US5140955 Method of controlling an internal combustion engine
08/25/1992US5140953 Dual displacement and expansion charge limited regenerative cam engine
08/13/1992DE4202573A1 Hydraulic valve stem damper - has hydraulic chamber to which oil is fed under orifice control during early phased of valve opening
08/13/1992DE4202542A1 Variable lift valve drive - adjusts piston surface area presented to pressure in pressure chamber
08/13/1992DE4202507A1 Variable lift valve drive - has pressure control element integrated with cup-shaped piston
08/13/1992DE4202500A1 Variable lift valve drive - has secondary piston and pressure chamber
08/12/1992EP0498682A1 Deactivating valve operating device for an internal combustion engine
08/06/1992WO1992013178A1 A dual mode, phase shifting, cam engine
07/1992
07/22/1992EP0494886A1 Solenoid control of engine valves with accumulator pressure recovery.
07/21/1992US5131624 Electromagnetically operating setting device
07/21/1992US5131354 Method of operating a two-stroke-cycle engine with variable valve timing in a four-stroke-cycle mode
07/14/1992US5129369 Electromagnetic valve control system
07/08/1992EP0493634A1 Electromagnetic valve control system
07/08/1992EP0493633A1 Electromagnetic valve control system
07/07/1992US5127375 Hydraulic valve control system for internal combustion engines
07/07/1992US5127372 Exhaust silencer system for two-cycle engine
07/01/1992EP0493135A1 Internal combustion engines
06/1992
06/30/1992US5125372 Hydraulically operated engine valve system
06/30/1992US5125371 Spring driven hydraulic actuator
06/30/1992US5125370 Control system for electromagnetically driven valve
06/23/1992US5124598 Intake/exhaust valve actuator
06/17/1992EP0489796A1 Fluid actuators.
06/09/1992US5119772 Electromagnetic valve actuating system
06/04/1992DE4109805A1 Adjustable hydraulic valve for motor vehicle IC engine - is opened by pressure of lubricating oil admitted and drained by electromagnet rotating hollow piston
05/1992
05/29/1992WO1992008880A1 Internal combustion engines
05/26/1992US5117213 Electromagnetically operating setting device
05/26/1992US5115772 System for actuating valve in stepped movement
05/19/1992US5113812 Valve control apparatus with magnet valve for internal combustion engines
05/19/1992US5113811 Hydraulic valve control device for internal combustion engines
05/13/1992EP0485231A1 Electromagnetic valve actuating system
05/12/1992US5111779 Electromagnetic valve actuating system
05/05/1992US5109812 Pneumatic preloaded actuator
05/05/1992US5109810 Two cycle internal combustion hydrocycle engine
04/1992
04/30/1992WO1992007175A1 A method of and apparatus for testing an engine or a compressor
04/30/1992WO1992007174A1 Valve control apparatus
04/30/1992WO1992007173A1 An actuator
04/30/1992WO1992007172A1 Valve control apparatus
04/28/1992US5107801 Electromagnetic auxiliary exhausting device
04/15/1992EP0480545A2 Gas engine
04/14/1992US5103779 Electro-rheological valve control mechanism
04/01/1992EP0478099A2 High pressure oil generating apparatus of internal combustion engine
03/1992
03/31/1992US5099884 Electrorheological fluid plate valve
03/25/1992EP0345252B1 Variable lift cam follower
03/19/1992WO1992004531A1 Hydraulic valve tappet for an internal-combustion engine
03/18/1992EP0371970B1 two-cycle engine
03/17/1992US5095856 Electromagnetic valve actuating system
02/1992
02/25/1992US5090366 Hydraulically operated engine valve system
02/20/1992WO1992002712A1 A valve control arrangement
02/19/1992EP0471614A1 Valve actuating device, particularly in an internal combustion engine
02/04/1992US5085181 Electro/hydraulic variable valve timing system
01/1992
01/30/1992DE4111610A1 Engine valve with hydraulic tappet - makes use of pin to actuate valve within tappet
01/29/1992EP0468571A1 Hydraulically propelled pneumatically returned valve actuator
01/29/1992EP0468550A1 Low energy hydraulic actuator
01/29/1992EP0468548A2 Actuator with energy recovery return
01/25/1992CA2047448A1 Hydraulically propelled pneumatically returned valve actuator
01/25/1992CA2040697A1 Low energy hydraulic actuator
01/25/1992CA2040379A1 Actuator with energy recovery return
01/23/1992WO1992001143A1 Extended circumference intake poppet valve system for opening and sealing a single valve seat
01/14/1992US5080323 Adjusting device for gas exchange valves
12/1991
12/31/1991US5076222 Valve control system for internal combustion engine
12/31/1991US5076221 Electromagnetic valve actuating system
12/24/1991US5074259 Internal combustion engine
12/18/1991CN1015124B Method of controlling closing movement of hydraulically activated exhaust valve in marine diesel engine, and exhaust valve for use in this method
12/17/1991US5072700 Electromagnetic valve control system
12/11/1991CN2090423U Combined air valve for small compressor
12/10/1991US5070826 Electromagnetic valve actuating system
12/03/1991US5069422 Electromagnetic force valve driving apparatus
11/1991
11/21/1991DE4111640A1 Hydraulically driven valve gear for IC engine - has pump piston with profile which, upon rotation, gives required change in valve lift
11/13/1991EP0455937A1 Valve driving apparatus of an internal combustion engine
11/13/1991EP0455763A1 Hydraulic control device for the valves of a multi-cylinder internal-combustion engine.
11/13/1991EP0455762A1 Electro-hydraulic control device for an internal-combustion engine valve.
11/13/1991EP0455761A1 Hydraulic control device for valves of internal combustion engines.
11/13/1991EP0455760A1 Hydraulic control device for an internal-combustion engine valve.
11/13/1991EP0347428B1 Two-cycle engine and method of operation
10/1991
10/30/1991EP0375742B1 Hydraulic engine valve lifter assembly
10/22/1991US5058857 Solenoid operated valve assembly
10/22/1991US5058614 Device for controlling the lift of a hydraulically operated valve
10/22/1991US5058538 Hydraulically propelled phneumatically returned valve actuator
10/15/1991US5056378 Engine valve control during transmission shifts
10/08/1991US5054443 Heat-insulating engine with swirl chamber
10/01/1991CA1289825C Method of and apparatus for controlling valve operation in an internal combustion engine
09/1991
09/26/1991DE4004876A1 Electrically operated valve gear for IC engine - opens and closes valve by multiplication of stroke of hydraulic piston with alternate energisation of two electromagnets
09/24/1991US5050543 Valve control system for internal combustion engine
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