| Patents for F01L 13 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations (9,664) |
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| 11/25/1992 | EP0515307A1 Control device for exhaust valves of an internal combustion engine |
| 11/25/1992 | EP0515183A1 Improved centrifugally responsive compression release mechanism |
| 11/24/1992 | US5165375 Master piston for a compression release engine retarder |
| 11/24/1992 | US5165370 Mechanism for controlling valve timing |
| 11/19/1992 | EP0513256A1 Variable valve timing. |
| 11/17/1992 | US5163389 Hydraulic valve lifter having function to stop valve drive |
| 11/12/1992 | WO1992019846A1 Mechanism for controlling engine valve timing |
| 11/12/1992 | DE4115008A1 Valve drive for D.O.H.C. IC engine - has switch for selective disengagement of camshaft |
| 11/11/1992 | EP0512698A1 Adjustable valve system for an internal combustion engine |
| 11/11/1992 | EP0512246A1 Bypass valve control device |
| 11/10/1992 | US5161501 Self-clippping slave piston |
| 11/10/1992 | US5161500 Outlet valve lifter for an internal combustion engine |
| 11/10/1992 | US5161429 Variable valve actuating apparatus |
| 11/04/1992 | EP0511231A1 Hydraulic control device |
| 11/03/1992 | US5159906 Adjustable valve system for an internal combustion engine |
| 11/03/1992 | US5159905 Variable cam engine |
| 10/28/1992 | CN2120184U Single valve hydraulic end for reciprocating pump |
| 10/27/1992 | US5158109 Electro-rheological valve |
| 10/27/1992 | US5158049 Control arrangement for cylinder valves of an internal combustion engine having a deactivatable cam |
| 10/27/1992 | US5158048 For use in a bore in the cylinder head |
| 10/27/1992 | US5158044 Engine selectively operable in two- and four-cycle modes |
| 10/25/1992 | WO1992019847A1 Valve control mechanism |
| 10/25/1992 | CA2109102A1 Valve control mechanism |
| 10/20/1992 | CA1308980C Valve operating device for internal combustion engine |
| 10/20/1992 | CA1308979C Valve operating device for internal combustion engine |
| 10/15/1992 | DE4125831A1 IC engine brake - has cylinder venting valve and solenoid driven valve with spring closure |
| 10/06/1992 | US5152267 Variable cam engine |
| 10/06/1992 | US5152258 Hydraulic control device for poppet valves of combustion engines |
| 09/29/1992 | US5150678 Motor brake for air-compressing internal combustion engines |
| 09/29/1992 | US5150674 Centrifugally responsive compressing release mechanism |
| 09/23/1992 | EP0505231A1 Hydraulic control for variable amplitude lift mechanism of at least one internal combustion engine valve |
| 09/23/1992 | EP0504223A1 Valve arrangement. |
| 09/22/1992 | US5148783 Valve actuating mechanism in four-stroke cycle engine |
| 09/17/1992 | DE4206166A1 Variable valve drive with cams driving inner and outer valve stems - has stems coupled by radially sliding pistons in outer stem, engaging inner stem stops during the cam base circle phase |
| 09/17/1992 | DE4134657A1 Valve closing motion damper for IC engine - consists of braking cylinder, formed in cylinder head housing, and whose piston acts against valve end of rocker lever |
| 09/15/1992 | US5146890 Method and a device for engine braking a four stroke internal combustion engine |
| 09/01/1992 | US5143037 Variable cam engine |
| 09/01/1992 | US5143030 Variable cam engine |
| 08/27/1992 | DE4105194A1 Actuator for IC engine valve - involves supporting rocker arm between two points with swivelling adjustment |
| 08/25/1992 | US5140953 Dual displacement and expansion charge limited regenerative cam engine |
| 08/16/1992 | CA2061236A1 Split-action rocker arm |
| 08/13/1992 | DE4202542A1 Variable lift valve drive - adjusts piston surface area presented to pressure in pressure chamber |
| 08/13/1992 | DE4202507A1 Variable lift valve drive - has pressure control element integrated with cup-shaped piston |
| 08/13/1992 | DE4202506A1 Variable lift valve drive - has secondary pressure chamber and cams |
| 08/13/1992 | DE4202500A1 Variable lift valve drive - has secondary piston and pressure chamber |
| 08/13/1992 | DE4202499A1 Variable lift valve drive - has pressure regulator in form of piston and cylinder assembly |
| 08/13/1992 | DE4120473A1 Engine brake device - has separate exhaust flows, connected by tube |
| 08/12/1992 | EP0498682A1 Deactivating valve operating device for an internal combustion engine |
| 08/11/1992 | US5136887 Variable valve actuating apparatus |
| 08/06/1992 | WO1992013178A1 A dual mode, phase shifting, cam engine |
| 08/06/1992 | DE4201473A1 Sprung claw clutch on IC engine deactivated cam - has spring-pressurised annular enclosure to quicken claw clutch engagement on deactivated-cam camshaft by absorbing supply pressure increase |
| 08/05/1992 | EP0497194A1 Method for actuating an exhaust valve tappet during braking of an internal combustion engine |
| 07/23/1992 | WO1992012333A1 Device for actuating the valves of a reciprocating piston engine |
| 07/23/1992 | WO1992012332A1 Two-stroke engine with delayed cylinder scavenging |
| 07/22/1992 | EP0495260A2 Apparatus for operating engine valve |
| 07/22/1992 | EP0494886A1 Solenoid control of engine valves with accumulator pressure recovery. |
| 07/16/1992 | DE4100763A1 Vorrichtung zum betaetigen der ventile eines hubkolbenmotors Device for actuating the valves of a piston engine |
| 07/14/1992 | US5129407 Variable camshaft |
| 07/07/1992 | US5127384 Method and apparatus for regulating the mixture of fuel quantity fed to the cylinders of an internal combustion engine |
| 06/30/1992 | US5125372 Hydraulically operated engine valve system |
| 06/25/1992 | DE4112833A1 Variable valve control for IC engine gas exchange valve - has two parallel levers fitted between camshaft cam and valve sheet |
| 06/23/1992 | USRE33967 Valve actuating mechanism having stopping function for internal combustion engines |
| 06/23/1992 | US5124923 Retarding apparatus for automotive vehicles |
| 06/17/1992 | EP0490426A1 Valve lifter |
| 06/16/1992 | US5121716 Fuel injection type internal combustion engine |
| 06/11/1992 | WO1992009793A1 Variable valve timing |
| 06/11/1992 | WO1992009792A1 Internal combustion engine with compressor function |
| 06/09/1992 | US5119773 Apparatus for operating the valves on internal combustion engines with a variable valve lift curve |
| 06/04/1992 | DE4109805A1 Adjustable hydraulic valve for motor vehicle IC engine - is opened by pressure of lubricating oil admitted and drained by electromagnet rotating hollow piston |
| 05/27/1992 | DE4037936A1 Valve control device - has control element rotating parallel to piston base |
| 05/26/1992 | US5117213 Electromagnetically operating setting device |
| 05/19/1992 | US5113813 Variable timing system, particularly for an internal combustion engine |
| 05/19/1992 | US5113812 Valve control apparatus with magnet valve for internal combustion engines |
| 05/12/1992 | US5111781 Valve actuating mechanism in four-stroke cycle engine |
| 04/28/1992 | US5107803 Split-action rocker arm |
| 04/28/1992 | US5107802 Valve driving mechanism for internal combustion engines |
| 04/21/1992 | US5105782 Compression release brake with variable ratio master and slave cylinder combination |
| 04/21/1992 | US5105679 Camshaft arrangement |
| 04/16/1992 | WO1992006282A1 Improvements in or relating to driving connections between two rotatable bodies |
| 04/14/1992 | US5103780 Valve timing control system for internal combustion engine |
| 04/14/1992 | US5103779 Electro-rheological valve control mechanism |
| 04/07/1992 | US5101778 SOHC type internal combustion engine |
| 03/31/1992 | US5099806 Valve system for automobile engine |
| 03/31/1992 | US5099805 Variable valve actuating device and method |
| 03/25/1992 | EP0345252B1 Variable lift cam follower |
| 03/19/1992 | WO1992004531A1 Hydraulic valve tappet for an internal-combustion engine |
| 03/18/1992 | EP0475727A2 Engine selectively operable in two- and four-cycle modes |
| 03/17/1992 | US5095859 Sohc type internal combustion engine |
| 02/27/1992 | DE4026264A1 IC engine with variable camshaft - produces varying, inlet valve, movement pattern, controlling load without throttle valve |
| 02/26/1992 | EP0472430A2 Valve gear for internal combustion engines |
| 02/25/1992 | US5090366 Hydraulically operated engine valve system |
| 02/25/1992 | US5090364 Two-step valve operating mechanism |
| 02/20/1992 | WO1992002712A1 A valve control arrangement |
| 02/19/1992 | EP0471169A2 Method for regulating the combustion mixture fed to the cylinders of an internal combustion engine |
| 02/18/1992 | US5088460 Engine brake system for all types of diesel and gasoline engines |
| 02/12/1992 | EP0470869A1 Internal combustion engine |
| 02/11/1992 | US5086738 Motor brake for air-compressing internal combustion engines |
| 02/04/1992 | US5085184 Device for reducing starting load on internal combustion engine |
| 02/04/1992 | US5085182 Variable valve timing rocker arm arrangement for internal combustion engine |
| 02/04/1992 | US5085181 Electro/hydraulic variable valve timing system |