| Patents for F01L 1 - Valve-gear or valve arrangements, e.g. lift-valve gear (30,520) |
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| 05/15/1984 | US4448156 Variable gas distribution device for internal combustion motors |
| 05/15/1984 | US4448155 Guide for roller cam follower |
| 05/08/1984 | US4446825 Internal combustion engine with valves having a variable spring rate |
| 04/17/1984 | US4442806 Valve driving control apparatus in an internal combustion engine |
| 04/10/1984 | US4441465 Lash adjuster oil-supplying device |
| 04/10/1984 | US4441243 Camshaft bearing and method for mounting the camshaft |
| 04/03/1984 | US4440121 Reciprocating internal combustion engine |
| 03/27/1984 | US4438739 Hydraulic lash adjuster |
| 03/27/1984 | US4438738 Rocker arm and process for producing the same |
| 03/27/1984 | US4438737 Apparatus and method for controlling the valve operation of an internal combustion engine |
| 03/27/1984 | US4438736 Variable valve timing arrangement with automatic valve clearance adjustment |
| 03/27/1984 | US4438735 Apparatus and timing mechanism for controlling the valve operation of an internal combustion engine |
| 03/27/1984 | US4438734 Overhead camshaft engine |
| 03/27/1984 | US4438733 Air cooled internal combustion engine |
| 03/27/1984 | US4438555 Method of fixing an annular element on a shaft |
| 03/27/1984 | CA1164290A1 Engine braking apparatus |
| 03/21/1984 | EP0103271A2 Rocking lever for internal-combustion engine gas valves |
| 03/21/1984 | EP0103051A2 Device for operating two or four valves of a four-stroke engine |
| 03/20/1984 | US4437439 Valve tappet |
| 03/13/1984 | US4436063 Push rod for operating an intake or exhaust valve of an internal combustion engine |
| 03/13/1984 | US4436062 Rocker arm mechanism in overhead cam type engine |
| 02/22/1984 | EP0101222A2 Valve rocker assembly |
| 02/14/1984 | US4430970 Composite tappet |
| 02/14/1984 | US4430969 Composite rocker arm and process |
| 02/14/1984 | US4430968 Cylinder head fastening structure for internal combustion engines |
| 02/14/1984 | US4430783 Method of making a rocker arm |
| 02/08/1984 | EP0100241A2 Hydraulic lash adjustor in a valve operating mechanism |
| 02/08/1984 | EP0099913A1 Internal combustion engine. |
| 01/17/1984 | US4425882 Valve rotating device |
| 01/11/1984 | EP0098180A1 Bearing cap for an overhead cam shaft of an internal-combustion engine, and such an engine |
| 01/11/1984 | EP0098096A2 Stratified internal combustion engine |
| 01/11/1984 | EP0097665A1 Variable timing for four stroke engine. |
| 01/10/1984 | US4424790 Method of improving the efficiency of a supercharged diesel engine |
| 01/10/1984 | US4424774 Self adjusting hydraulic tappet for heat engines |
| 01/10/1984 | US4424773 Valve rotator |
| 01/10/1984 | US4424772 Internal combustion engine valve actuating cam |
| 12/22/1983 | WO1983004382A1 Method of making wear resistant ferrous based parts |
| 12/20/1983 | US4421717 Powder metallurgy |
| 12/20/1983 | US4421074 Automatic timing variator for an internal combustion engine |
| 12/20/1983 | CA1158934A1 Valve timing mechanisms of internal combustion engines |
| 12/13/1983 | US4420141 Variable rate valve spring |
| 12/07/1983 | EP0096015A2 Cylinder head for a direct-injection diesel engine for motor vehicles |
| 12/06/1983 | US4418659 Process for preventing the pumping of a hydraulic valve clearance compensating element in valve operating mechanisms or internal combustion engines |
| 11/15/1983 | US4414931 Variable valve operating mechanism for internal combustion engines |
| 11/08/1983 | CA1156527A1 Cylinder head for an internal-combustion engine |
| 11/01/1983 | US4412513 Water-cooled internal combustion engine with direct fuel injection |
| 10/26/1983 | EP0092447A1 Distribution device for an axial engine |
| 10/26/1983 | EP0091944A1 Multiple concentric intake/exhaust valve system for an internal combustion engine. |
| 10/25/1983 | CA1155724A1 Floating tappet guide plate |
| 10/19/1983 | EP0091804A1 Desmodromic valve system |
| 10/19/1983 | EP0091485A1 Variable valve operating mechanism for internal combustion engines |
| 10/18/1983 | US4409935 Mechanical valve clearance compensator for internal combustion engines |
| 10/12/1983 | EP0091096A1 Valve operating system of internal combustion engine |
| 10/12/1983 | EP0090858A1 Method and apparatus for controlling the valve operation of an internal combustion engine |
| 10/11/1983 | US4408580 Hydraulic valve lift device |
| 10/05/1983 | EP0090105A1 Adjustable valve spring retainer for internal combustion engine |
| 10/04/1983 | US4407241 Expandable hydraulic tappet with a variable exit valve |
| 09/27/1983 | US4406257 Cam roller follower |
| 09/20/1983 | US4404937 Valve controlled stroke piston combustion engine with a cam shaft |
| 09/20/1983 | CA1153943A1 Phase controlling system for two rotatable shafts |
| 09/06/1983 | US4402285 Self-contained hydraulic lash adjuster |
| 09/06/1983 | US4402284 Internal combustion engine rocker arm arrangement having a readily replaceable plate spring |
| 08/30/1983 | US4401067 Valve porting for internal combustion engine having oblong cylinder |
| 08/30/1983 | US4401064 Rocker arm fitting structure |
| 08/23/1983 | US4399681 Forging of an article having a plurality of longitudinally arranged protuberances |
| 08/10/1983 | EP0085373A1 Method for the fluid-tight fastening of the outward edge of a flange-like part of a sheet in the bore of a valve tappet, and device for carrying out the method |
| 08/09/1983 | US4397272 Two stroke engine having exhaust timing control valve means |
| 08/09/1983 | US4397271 Semi-self-contained hydraulic lash adjuster |
| 08/04/1983 | WO1983002645A1 Internal combustion engine |
| 08/02/1983 | US4395980 Overhead cam shaft type V-engine for vehicles |
| 08/02/1983 | US4395979 Pressure limiting hydraulic tappet |
| 07/27/1983 | EP0084267A1 Four-stroke internal combustion engines with overhead camshafts, and tappets therefor |
| 07/20/1983 | EP0083927A1 Engine camshaft |
| 07/19/1983 | US4393820 Rolling contact rocker arm and pivot |
| 07/19/1983 | US4393693 Apparatus and method for detecting crank shaft orientation and valve assembly in an internal combustion engine |
| 07/12/1983 | US4392462 Inverted bucket tappet with seal |
| 07/12/1983 | US4392461 Rocker arm adapter for altering cam profile of exhaust valve |
| 07/07/1983 | WO1983002301A1 Variable timing for four stroke engine |
| 06/28/1983 | US4389882 Method and apparatus for determining an abnormality in a valve actuating system of an internal combustion engine |
| 06/28/1983 | CA1148806A1 Valve opening control device |
| 06/21/1983 | US4388897 Variable camshaft assembly |
| 06/14/1983 | US4387680 Mechanism for stopping valve operation |
| 06/14/1983 | US4387675 Engine valve actuating mechanism having a hydraulic fulcrum lifting device |
| 06/14/1983 | US4387674 Valve train |
| 06/14/1983 | US4387673 Valve opening control device |
| 06/07/1983 | US4386590 Multi-cylinder internal combustion engine having selective cylinder control |
| 06/01/1983 | EP0080175A1 Overhead camshaft engine valve train with rotary tappet between rocker and cam |
| 05/31/1983 | US4385599 Self-contained hydraulic lash adjuster |
| 05/25/1983 | EP0079603A1 Overhead camshaft engine valve train with slack take up means |
| 05/17/1983 | US4383508 Internal combustion engine |
| 05/16/1983 | EP0069749A4 Variable lift cam follower. |
| 05/10/1983 | US4382390 Camshaft for reciprocable piston engines |
| 04/28/1983 | WO1983001485A1 Multiple concentric intake/exhaust valve system for an internal combustion engine |
| 04/28/1983 | WO1983001484A1 Method and apparatus for controlling the valve operation of an internal combustion engine |
| 04/28/1983 | WO1983001483A1 Variable valve operating mechanism for internal combustion engines |
| 04/20/1983 | EP0076854A1 Internal combustion engine and cam drive mechanism therefor |
| 04/19/1983 | US4380219 Valve disabling mechanism |
| 04/19/1983 | US4380216 Economical engine construction |
| 04/06/1983 | EP0075659A2 Four-cylinder internal-combustion engine |
| 03/30/1983 | EP0075502A1 Method of adapting an internal-combustion engine to its working conditions and engine adapted in this manner |