Patents
Sitemap › F01 - Machines or engines in general; Engine plants in general; Steam engines › F01L - Cyclically operating valves for machines or engines › F01L 1 - Valve-gear or valve arrangements, e.g. lift-valve gear
Patents for F01L 1 - Valve-gear or valve arrangements, e.g. lift-valve gear (30,520)
10/1981
10/13/1981US4293995 Method of making camshaft for reciprocable piston engines
10/06/1981CA1110130A1 Slanted internal combustion engine with single overhead camshaft
09/1981
09/29/1981US4291652 Hydraulic tappet
09/29/1981US4291650 Cylinder head for compression-ignition internal combustion engine
09/15/1981CA1108891A1 Timing chain snubber
09/02/1981EP0034681A1 Engine braking apparatus
08/1981
08/25/1981US4285310 Dual intake valve type internal combustion engine
08/18/1981CA1107202A1 Internal combustion engine
07/1981
07/22/1981EP0032284A1 Valve clearance adjuster
07/21/1981US4279655 Partially stabilized zirconia ceramics
07/21/1981US4279226 Hydraulic tappet for an internal combustion engine having an overhead camshaft
07/15/1981EP0032056A1 Variable valve timing mechanism for an internal-combustion engine
07/14/1981US4278233 Arrangement for actuating gas-change valves
07/08/1981EP0031806A2 Apparatus for controlling the functioning of internal-combustion engine valves
07/07/1981US4276783 Lightweight mounted camshaft post
06/1981
06/24/1981EP0030781A1 Hydraulic tappet for direct-acting valve gear
06/24/1981EP0030780A1 Light weight tappet for direct-acting valve gear
06/23/1981US4274370 Self-contained type lash adjuster
06/16/1981US4273083 Distribution system for the intake and exhaust of a super charged internal combustion engine
06/09/1981US4271800 Apparatus for charging an internal combustion engine
06/09/1981CA1102643A1 Hydraulic valve lifter
06/09/1981CA1102642A1 Variable valve timing mechanism
06/02/1981US4270496 Welded article and method of making same
06/02/1981US4270407 Cams for actuating the valves of a reciprocating machine
05/1981
05/27/1981EP0029254A1 Valve-clearance adjusting device for internal-combustion engines
05/20/1981EP0028859A1 Valve-control mechanism and machines including such a mechanism
05/20/1981EP0028736A1 Hydraulic tappet
05/19/1981US4267811 Cylinder head for a mixture-compressing internal combustion engine
05/06/1981EP0027949A1 Variable lift valve distribution for internal-combustion engines with lift valves and camshaft
05/05/1981US4265388 Process for manufacture of assembled cam shaft
04/1981
04/30/1981WO1981001170A1 Hydraulic cam follower
03/1981
03/31/1981US4258671 Variable valve lift mechanism used in an internal combustion engine
03/17/1981US4256068 Oblong piston and cylinder for internal combustion engine
03/11/1981EP0024994A1 Process and device for improving the performance of an internal-combustion engine by selectively varying the compression ratio according to engine load
03/10/1981US4254749 Fuel injection system and timing advance device therefor
03/03/1981US4253434 Variable valve event engine
03/03/1981CA1096724A1 Push rods and the like
02/1981
02/24/1981US4252093 Internal combustion engine
02/24/1981CA1096254A1 Rocker arm
02/17/1981US4251273 From iron, manganese, molybdenum, and nickel having good hardness
02/10/1981US4249489 Multi-cylinder internal combustion engine with a valve shutoff
02/10/1981CA1095486A1 Hydraulic actuator to provide both rotary and linear motions to a movable valve
02/04/1981EP0023250A1 Actuating mechanism for inlet or exhaust valves of internal-combustion engines
02/03/1981US4248045 Means for selectively transmitting drive
01/1981
01/20/1981US4245523 Rocker arm
01/06/1981CA1092920A1 Valve moving push rod for internal combustion engines and method of making the same
12/1980
12/30/1980US4241707 Activating mechanism for the working medium valves of a reciprocating piston engine with hydraulic play compensating elements
12/30/1980US4241706 Valve rotator assembly
12/02/1980US4236923 Method of metallurgically joining a fitting to a shaft
11/1980
11/11/1980US4232641 Method and device for improving the efficiency of internal combustion engines
11/11/1980US4232437 Method for reconditioning an engine head
11/04/1980US4231330 Timing variator for the timing system of a reciprocating internal combustion engine
11/04/1980US4231267 Roller hydraulic valve lifter
10/1980
10/28/1980US4230074 Motorcycle type internal combustion engine having optimally disposed valve actuating mechanisms
10/21/1980US4228771 Lash adjustment means for valve gear of an internal combustion engine
10/15/1980EP0017413A1 Fuel injection system and timing advance device therefor
10/14/1980US4227495 Hydraulic lash adjuster with oil reservoir separator
10/14/1980US4227494 Valve disabler and control
10/14/1980US4227493 Valve rotator
10/02/1980WO1980002054A1 Cam roller follower
10/01/1980EP0016068A1 Internal combustion engine and valve control means therefor.
09/1980
09/23/1980US4223648 Hydraulic valve lifter
09/23/1980US4223647 Slanted internal combustion engine
09/17/1980EP0015791A1 Method and device for improving the efficiency of an internal-combustion engine, in particular a supercharged one
09/17/1980EP0015520A1 Method of forming valve lifters
09/09/1980US4221199 Plural lash engine valve gear and device for selecting same
09/09/1980US4221197 Multi-cylinder internal combustion engine having siamesed exhaust ports
09/03/1980EP0016751A2 A multi cylinder internal combustion engine
09/02/1980US4220122 Hydraulic valve lifter
08/1980
08/26/1980US4218996 Valve moving push rod for internal combustion engines and method of making the same
08/26/1980US4218995 Hydraulic valve lifter mechanism for internal combustion engine
08/26/1980US4218994 Fluid intake and exhaust assemblies for positive displacement apparatus
08/26/1980CA1084370A1 Valve deactuator for internal combustion engines
08/20/1980EP0014644A1 Device for supporting the rocker arm of an internal combustion engine, especially of a big engine
07/1980
07/29/1980US4214568 Drive unit for a distributor and a fuel pump
07/29/1980CA1082490A1 Roller cam follower with anti-rotation device
07/23/1980EP0013599A1 Partially stabilized zirconia ceramics; method of making said ceramics, dies constructed of said ceramics, cutting tools with a cutting surface and tappet facings formed of said ceramics
07/22/1980CA1082063A1 Valve rotator
07/09/1980EP0013135A1 Actuation of valves of internal combustion engines and conversion kit for adapting an internal combustion engine to such a valve actuation
07/09/1980EP0013004A1 A mixed intake two-stroke engine and reed valve therefor
07/08/1980US4211192 Camshaft for an internal combustion engine
07/08/1980US4211189 Internal combustion engine with dual induction system and more particularly to combustion chamber design thereof
06/1980
06/23/1980EP0016068A4 Internal combustion engine and valve control means therefor.
06/10/1980US4206739 Casing for the lubrication of the camshaft of an internal combustion engine for automotive vehicles
06/10/1980US4206727 Two-stroke-cycle engine having an auxiliary piston and valve arrangement, and its associated drive mechanism
06/03/1980US4205634 Variable valve timing mechanism
06/03/1980CA1078687A1 Multi-cylinder internal combustion engine having selective cylinder control
05/1980
05/27/1980CA1078282A2 Rocker arm assembly for internal combustion engines
05/20/1980US4203397 Engine valve control mechanism
05/14/1980EP0010768A1 Hydraulic backlash adjuster
04/1980
04/29/1980US4200081 Valve selector
04/22/1980US4199202 Bearing structure for a cam shaft in internal combustion engines
03/1980
03/25/1980US4194472 Exhaust gas recirculation system of a multi-cylinder internal combustion engine
03/25/1980CA1074197A1 Valve timing mechanisms
03/18/1980US4193314 Timing chain snubber
03/11/1980US4192482 Hydraulic actuator to provide both rotary and linear motions to a movable valve
03/11/1980US4192263 Valve drive device for an internal combustion engine
03/11/1980CA1073295A1 Dual spark-ignition internal combustion engine
03/11/1980CA1073294A1 Internal combustion engine having improved cylinder head configuration
03/04/1980US4191142 Self-contained hydraulic lash adjuster
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