Patents
Patents for F01L 13 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations (9,664)
11/1992
11/25/1992EP0515307A1 Control device for exhaust valves of an internal combustion engine
11/25/1992EP0515183A1 Improved centrifugally responsive compression release mechanism
11/24/1992US5165375 Master piston for a compression release engine retarder
11/24/1992US5165370 Mechanism for controlling valve timing
11/19/1992EP0513256A1 Variable valve timing.
11/17/1992US5163389 Hydraulic valve lifter having function to stop valve drive
11/12/1992WO1992019846A1 Mechanism for controlling engine valve timing
11/12/1992DE4115008A1 Valve drive for D.O.H.C. IC engine - has switch for selective disengagement of camshaft
11/11/1992EP0512698A1 Adjustable valve system for an internal combustion engine
11/11/1992EP0512246A1 Bypass valve control device
11/10/1992US5161501 Self-clippping slave piston
11/10/1992US5161500 Outlet valve lifter for an internal combustion engine
11/10/1992US5161429 Variable valve actuating apparatus
11/04/1992EP0511231A1 Hydraulic control device
11/03/1992US5159906 Adjustable valve system for an internal combustion engine
11/03/1992US5159905 Variable cam engine
10/1992
10/28/1992CN2120184U Single valve hydraulic end for reciprocating pump
10/27/1992US5158109 Electro-rheological valve
10/27/1992US5158049 Control arrangement for cylinder valves of an internal combustion engine having a deactivatable cam
10/27/1992US5158048 For use in a bore in the cylinder head
10/27/1992US5158044 Engine selectively operable in two- and four-cycle modes
10/25/1992WO1992019847A1 Valve control mechanism
10/25/1992CA2109102A1 Valve control mechanism
10/20/1992CA1308980C Valve operating device for internal combustion engine
10/20/1992CA1308979C Valve operating device for internal combustion engine
10/15/1992DE4125831A1 IC engine brake - has cylinder venting valve and solenoid driven valve with spring closure
10/06/1992US5152267 Variable cam engine
10/06/1992US5152258 Hydraulic control device for poppet valves of combustion engines
09/1992
09/29/1992US5150678 Motor brake for air-compressing internal combustion engines
09/29/1992US5150674 Centrifugally responsive compressing release mechanism
09/23/1992EP0505231A1 Hydraulic control for variable amplitude lift mechanism of at least one internal combustion engine valve
09/23/1992EP0504223A1 Valve arrangement.
09/22/1992US5148783 Valve actuating mechanism in four-stroke cycle engine
09/17/1992DE4206166A1 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
09/17/1992DE4134657A1 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
09/15/1992US5146890 Method and a device for engine braking a four stroke internal combustion engine
09/01/1992US5143037 Variable cam engine
09/01/1992US5143030 Variable cam engine
08/1992
08/27/1992DE4105194A1 Actuator for IC engine valve - involves supporting rocker arm between two points with swivelling adjustment
08/25/1992US5140953 Dual displacement and expansion charge limited regenerative cam engine
08/16/1992CA2061236A1 Split-action rocker arm
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
08/13/1992DE4202506A1 Variable lift valve drive - has secondary pressure chamber and cams
08/13/1992DE4202500A1 Variable lift valve drive - has secondary piston and pressure chamber
08/13/1992DE4202499A1 Variable lift valve drive - has pressure regulator in form of piston and cylinder assembly
08/13/1992DE4120473A1 Engine brake device - has separate exhaust flows, connected by tube
08/12/1992EP0498682A1 Deactivating valve operating device for an internal combustion engine
08/11/1992US5136887 Variable valve actuating apparatus
08/06/1992WO1992013178A1 A dual mode, phase shifting, cam engine
08/06/1992DE4201473A1 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
08/05/1992EP0497194A1 Method for actuating an exhaust valve tappet during braking of an internal combustion engine
07/1992
07/23/1992WO1992012333A1 Device for actuating the valves of a reciprocating piston engine
07/23/1992WO1992012332A1 Two-stroke engine with delayed cylinder scavenging
07/22/1992EP0495260A2 Apparatus for operating engine valve
07/22/1992EP0494886A1 Solenoid control of engine valves with accumulator pressure recovery.
07/16/1992DE4100763A1 Vorrichtung zum betaetigen der ventile eines hubkolbenmotors Device for actuating the valves of a piston engine
07/14/1992US5129407 Variable camshaft
07/07/1992US5127384 Method and apparatus for regulating the mixture of fuel quantity fed to the cylinders of an internal combustion engine
06/1992
06/30/1992US5125372 Hydraulically operated engine valve system
06/25/1992DE4112833A1 Variable valve control for IC engine gas exchange valve - has two parallel levers fitted between camshaft cam and valve sheet
06/23/1992USRE33967 Valve actuating mechanism having stopping function for internal combustion engines
06/23/1992US5124923 Retarding apparatus for automotive vehicles
06/17/1992EP0490426A1 Valve lifter
06/16/1992US5121716 Fuel injection type internal combustion engine
06/11/1992WO1992009793A1 Variable valve timing
06/11/1992WO1992009792A1 Internal combustion engine with compressor function
06/09/1992US5119773 Apparatus for operating the valves on internal combustion engines with a variable valve lift curve
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
05/27/1992DE4037936A1 Valve control device - has control element rotating parallel to piston base
05/26/1992US5117213 Electromagnetically operating setting device
05/19/1992US5113813 Variable timing system, particularly for an internal combustion engine
05/19/1992US5113812 Valve control apparatus with magnet valve for internal combustion engines
05/12/1992US5111781 Valve actuating mechanism in four-stroke cycle engine
04/1992
04/28/1992US5107803 Split-action rocker arm
04/28/1992US5107802 Valve driving mechanism for internal combustion engines
04/21/1992US5105782 Compression release brake with variable ratio master and slave cylinder combination
04/21/1992US5105679 Camshaft arrangement
04/16/1992WO1992006282A1 Improvements in or relating to driving connections between two rotatable bodies
04/14/1992US5103780 Valve timing control system for internal combustion engine
04/14/1992US5103779 Electro-rheological valve control mechanism
04/07/1992US5101778 SOHC type internal combustion engine
03/1992
03/31/1992US5099806 Valve system for automobile engine
03/31/1992US5099805 Variable valve actuating device and method
03/25/1992EP0345252B1 Variable lift cam follower
03/19/1992WO1992004531A1 Hydraulic valve tappet for an internal-combustion engine
03/18/1992EP0475727A2 Engine selectively operable in two- and four-cycle modes
03/17/1992US5095859 Sohc type internal combustion engine
02/1992
02/27/1992DE4026264A1 IC engine with variable camshaft - produces varying, inlet valve, movement pattern, controlling load without throttle valve
02/26/1992EP0472430A2 Valve gear for internal combustion engines
02/25/1992US5090366 Hydraulically operated engine valve system
02/25/1992US5090364 Two-step valve operating mechanism
02/20/1992WO1992002712A1 A valve control arrangement
02/19/1992EP0471169A2 Method for regulating the combustion mixture fed to the cylinders of an internal combustion engine
02/18/1992US5088460 Engine brake system for all types of diesel and gasoline engines
02/12/1992EP0470869A1 Internal combustion engine
02/11/1992US5086738 Motor brake for air-compressing internal combustion engines
02/04/1992US5085184 Device for reducing starting load on internal combustion engine
02/04/1992US5085182 Variable valve timing rocker arm arrangement for internal combustion engine
02/04/1992US5085181 Electro/hydraulic variable valve timing system
1 ... 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97