| Patents for F01L 3 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof (4,573) |
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| 03/03/1988 | DE3628466A1 Valve for internal combustion engine with valve head of elliptical shape |
| 03/01/1988 | US4728374 Solution heat treated engine poppet valves |
| 03/01/1988 | US4728078 Ceramic valve seats |
| 03/01/1988 | US4727717 Exhaust gas cleaning system for multi-cylinder internal combustion engines |
| 02/16/1988 | US4724809 Method and apparatus utilizing valve throttling and charge stratification in the operation of an internal combustion engine |
| 02/09/1988 | US4724000 Powdered metal valve seat insert |
| 02/09/1988 | US4723518 Aluminum alloy cylinder head with valve seat formed integrally by copper alloy cladding layer and underlying alloy layer |
| 02/04/1988 | DE3625590A1 Valves for internal combustion engines |
| 01/13/1988 | EP0252728A2 Metallic slide members to be used with ceramic slide members and sliding assemblies using the same |
| 01/05/1988 | US4716869 Valve guide for an internal combustion engine |
| 12/16/1987 | EP0249503A2 Ceramic valve arrangement |
| 12/03/1987 | WO1987007323A1 Engines for use with gaseous fuels |
| 11/24/1987 | CA1229520A1 Axial sealing device for a scroll type fluid displacement apparatus |
| 11/17/1987 | US4706967 For an internal combustion engine |
| 11/12/1987 | DE3714049A1 Fresh gas induction pipe for an internal combustion engiue having a diaphragm valve for preventing gas return flows |
| 11/11/1987 | EP0244558A1 Hydraulic valve lash adjusting device for an internal-combustion engine |
| 11/04/1987 | EP0244339A1 Valve seat insert |
| 10/27/1987 | US4702771 Chromium, manganese, molybdenum, phosphorus, copper, carbon |
| 10/22/1987 | DE3613299A1 Valve, especially exhaust valve for internal combustion engines |
| 10/22/1987 | DE3612842A1 Internal combustion engine, especially reciprocating piston internal combustion engine, with compression space adjustable in operation |
| 10/22/1987 | DE3608925A1 Charge cycle control for a piston internal combustion engine |
| 10/07/1987 | EP0239727A1 Valve guide for an internal-combustion engine exhaust valve |
| 09/29/1987 | US4696263 Reed valves for internal combustion engines |
| 09/23/1987 | EP0238321A1 Metal-ceramic composite bodies and a method for manufacturing the same |
| 09/23/1987 | EP0237814A1 Valve assembly |
| 09/22/1987 | US4695061 Valve stem seal |
| 09/01/1987 | US4690107 Flow enhancer for reed inlet valves |
| 08/26/1987 | EP0233405A1 Method of making titanium engine valves |
| 08/25/1987 | US4688527 Ceramic valve guide and seat |
| 08/11/1987 | US4686348 Method for hardfacing valves |
| 08/11/1987 | US4685653 Valve assembly |
| 07/09/1987 | DE3600067A1 Inlet valve and exhaust valve, especially for internal combustion engines |
| 07/08/1987 | EP0228282A2 Aluminium alloy cylinder head with a valve seat formed integrally by copper alloy cladding layer and underlying alloy layer |
| 07/07/1987 | CA1223787A1 Valve seat inserts |
| 06/30/1987 | US4676482 Valve seat insert |
| 06/30/1987 | US4675964 Titanium engine valve and method of making |
| 06/16/1987 | US4673784 Valve seat inductor and method of using same |
| 06/09/1987 | US4671491 High heat, wear and creep resistance |
| 06/09/1987 | US4671218 Two stroke engine with deflector valve |
| 06/03/1987 | EP0224345A1 Valve seat insert and cylinder head with the valve seat insert |
| 05/26/1987 | US4667388 Internal combustion engine valve assembly mounting tool |
| 05/21/1987 | DE3615018C1 Valve stem guide for an exhaust valve |
| 05/19/1987 | US4665869 Valve spring retainer and process for its production |
| 05/12/1987 | US4664154 Reed valve |
| 04/28/1987 | US4661371 Method of producing an exhaust valve for diesel engine |
| 04/07/1987 | US4655463 Gasket assembly for oil pan valve covers and the like |
| 03/31/1987 | US4653726 Valve spring retainer/locking assembly |
| 03/24/1987 | US4651396 Device for fitting valves into the cylinder head of an internal combustion engine |
| 03/17/1987 | CA1219221A1 Spring damper with controlled wear area |
| 02/19/1987 | DE3528526A1 Reciprocating-piston internal combustion engine |
| 02/17/1987 | US4643781 Method of heat treating valve inserts |
| 02/17/1987 | US4643142 Squish control engine |
| 02/17/1987 | US4643139 Reed valves for internal combustion engines |
| 02/10/1987 | CA1217689A Coil spring damper for valve assemblies of internal combustion engines and the like |
| 01/21/1987 | EP0208862A1 Valve guide |
| 01/14/1987 | EP0208554A1 Assembly having two members movable in contact |
| 01/06/1987 | US4633825 Reed valve assembly |
| 12/30/1986 | US4632074 Wear-resistant member for use in internal combustion engine and method for producing the same |
| 12/23/1986 | US4631169 Durability, cost-efficiency; internal combustion enoines |
| 12/10/1986 | EP0204276A1 Components for engines and production therefor |
| 12/10/1986 | EP0204121A1 Method of manufacturing a valve with a high mechanical and heat resistance, also against heat corrosion, for a combustion engine using heavy oil |
| 11/20/1986 | EP0202035A1 Wear-resistant, sintered iron alloy and process for producing the same |
| 10/15/1986 | EP0197694A1 A metal-ceramic combination |
| 09/30/1986 | US4614172 Cylinder head for internal combustion engine |
| 09/24/1986 | EP0195177A2 Device for inductively heating valve seats and method of using the device |
| 09/10/1986 | EP0193640A1 Seated-valve device |
| 08/26/1986 | CA1210285A1 Internal combustion engine |
| 08/19/1986 | US4606883 Method of manufacturing a metallic composite article |
| 08/06/1986 | EP0189715A1 Device for controlling the carburetted mixture jet delivered by a pneumatic injection system |
| 07/29/1986 | US4602598 Spring and valve skirt |
| 07/15/1986 | US4599978 For use in an intake system |
| 07/09/1986 | EP0186888A1 Reciprocating piston engine |
| 07/08/1986 | US4598673 Air-scavenged two-cycle internal combustion engine |
| 07/01/1986 | US4597408 Rotating poppet valve system |
| 07/01/1986 | US4597367 Engine valve and method of producing the same |
| 06/10/1986 | US4593655 Valve seat ring cooling apparatus |
| 06/10/1986 | US4593544 Central locking system with two-door control for motor vehicles |
| 05/27/1986 | US4590900 Valve supporting arrangement of an internal combustion engine |
| 05/20/1986 | US4590035 Exhaust valves for large low-speed/ diesel engines |
| 05/20/1986 | US4589383 Squeeze film rocker tip |
| 04/22/1986 | US4583502 Wear-resistant member for use in an internal combustion engine |
| 04/22/1986 | US4583501 Device for controlling the phased displacement of rotating shafts |
| 04/09/1986 | EP0176688A2 Valve spring retainer cap and method for its manufacture |
| 03/25/1986 | US4577597 Method and apparatus for supplying fuel to internal combustion engine |
| 02/26/1986 | EP0172492A2 Valve for an internal-combustion engine |
| 02/25/1986 | US4572117 Valve arrangement for an internal combustion engine |
| 02/25/1986 | CA1201028A1 Method and device to improve the performance of a supercharged piston engine |
| 02/18/1986 | US4570585 Light metal cylinder head with valve seat insert |
| 02/05/1986 | EP0170348A1 Solution heat treated engine poppet valves |
| 02/04/1986 | CA1200166A1 Internal combustion engine having manifold and combustion surfaces coated with a foam |
| 01/15/1986 | EP0168130A2 Apparatus and method of hardening valve seats |
| 01/08/1986 | EP0167034A1 Valve-seat insert for internal combustion engines and its production |
| 01/07/1986 | US4562806 Cylinder head for internal combustion engines with compression ignition |
| 01/07/1986 | CA1198949A1 Device for use with the intake manifold of an internal combustion engine |
| 12/24/1985 | US4559909 Valve mechanism for an internal combustion engine |
| 12/04/1985 | EP0163558A1 Apparatus for fitting valves into internal-combustion engines |
| 12/03/1985 | US4556022 Exhaust valve for diesel engine and production thereof |
| 11/26/1985 | US4554898 Seat of ceramic-metal mixture having density gradient; corrosion resistance |
| 11/26/1985 | US4554897 Exhaust valve for Diesel engine and production thereof |
| 11/13/1985 | EP0161052A1 A valve mechanism for an internal combustion engine |