| 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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| 05/19/1999 | CN1217043A Spark plug function incorporated engine valve and valve mechanism |
| 05/18/1999 | US5904125 Exhaust valve for internal combustion engine |
| 05/12/1999 | EP0914897A1 A joined metal member and a method and an apparatus for fabricating the same |
| 05/11/1999 | US5901728 Aluminum alloy valve spring retainer and method of making same |
| 05/06/1999 | WO1999022122A1 Electromagnetic control device |
| 05/06/1999 | DE19810465C1 Fastening for attachment of valve spring retainer to valve stem |
| 05/04/1999 | US5899185 Method of increasing heat transfer of a fitted material of a cylinder head in an internal combustion engine and a fitted portion of the fitted material |
| 05/04/1999 | US5899177 Four-cycle marine engine |
| 04/28/1999 | EP0911493A2 Improved tip structures for an ultra light engine valve |
| 04/21/1999 | EP0850352B1 Internal combustion engine with crankcase pressure barrier |
| 04/20/1999 | US5895517 Sintered Fe alloy for valve seat |
| 04/20/1999 | US5894821 Air valve system combined with a distribution chamber |
| 04/15/1999 | DE19754736C1 Intake duct for motor vehicle internal combustion engine |
| 04/14/1999 | EP0908605A2 Valve operating system for internal combustion engines which can be disabled |
| 04/07/1999 | EP0673470B1 Improvements to internal combustion engines |
| 04/06/1999 | US5890461 Engine cylinder head cooling arrangement |
| 03/25/1999 | WO1999014470A1 Improvements in and relating to internal combustion engines |
| 03/25/1999 | DE19742111A1 Supercharged diesel internal combustion engine |
| 03/24/1999 | CN1211672A Valve spring seat structure for IC engine |
| 03/24/1999 | CN1211671A Cooling method for engine exhaust port and its draught device |
| 03/24/1999 | CN1211483A Jointed metallic parts and parts jointing method |
| 03/17/1999 | EP0901565A1 An exhaust valve for an internal combustion engine |
| 03/17/1999 | EP0901564A1 An exhaust valve for an internal combustion engine |
| 03/16/1999 | US5882575 Compression/injection molding of polymer-derived fiber reinforced ceramic matrix composite materials |
| 03/10/1999 | EP0900926A2 Two cycle engine |
| 03/04/1999 | WO1999010630A1 Exhaust valve for internal combustion engines |
| 03/04/1999 | CA2302348A1 Exhaust valve for internal combustion engines |
| 03/03/1999 | EP0898642A1 A movable wall member in the form of an exhaust valve spindle or a piston in an internal combustion engine |
| 02/24/1999 | EP0898058A1 Spark plug function incorporated engine valve and valve mechanism |
| 02/24/1999 | EP0898057A2 Valve stem seal |
| 02/24/1999 | EP0898056A2 Seal for machine parts reciprocating relatively to one another |
| 02/24/1999 | EP0898055A1 Hollow valve for internal combustion engine |
| 02/23/1999 | US5873563 Valve Lock |
| 02/23/1999 | US5873337 In-guide valve stem seal |
| 02/18/1999 | DE19746832C1 Electromagnetic control device for gas changeover valve in internal combustion engine |
| 02/17/1999 | EP0897059A2 Hot gas engine with cam operated stem guided inlet valve |
| 02/17/1999 | EP0896651A1 Device and method in combustion engines |
| 02/16/1999 | US5870993 Method and apparatus for operating a spark-ignited reciprocating-piston internal combustion engine |
| 02/16/1999 | US5870989 Abrasion resistant valve seat made of sintered alloy for internal combustion engines |
| 02/11/1999 | WO1999006676A1 Valve seat insert gaging system |
| 02/10/1999 | EP0896146A2 Cylinderhead for a crankcase with various cylinder bores |
| 02/10/1999 | EP0896131A1 Single-body reed valve for internal combustion engine, integrally joined with the intake pipe |
| 02/10/1999 | EP0896130A2 Al or Al alloy poppet valve and a method of manufacturing the same |
| 02/04/1999 | WO1999005397A1 Two-way gas valve |
| 02/04/1999 | DE19834188A1 Detection apparatus for valve timing control apparatus in IC engine |
| 02/03/1999 | EP0894972A2 Fuel supply pump |
| 02/03/1999 | CN1206792A Pump for feeding fuel |
| 01/28/1999 | DE19731382A1 Gaswechselventil und Verfahren zum Messen des Druckes in einem Brennraum einer Brennkraftmaschine Gas exchange valve and method for measuring the pressure in a combustion chamber of an internal combustion engine |
| 01/21/1999 | WO1999002839A1 Method for making a cylinder head with integrated valve seats and cylinder head with integrated valve seats |
| 01/20/1999 | EP0892156A1 Three-dimensional camshaft and its manufacturing method |
| 01/19/1999 | US5860401 Bonded valve seat and method |
| 01/13/1999 | EP0890020A1 Process for producing cylinder heads for internal combustion engines |
| 01/12/1999 | US5857435 Two cycle engine |
| 01/07/1999 | EP0889207A1 Method of manufacturing diesel engine valves |
| 01/07/1999 | DE19828687A1 Valve seat for internal combustion engine |
| 12/30/1998 | EP0886624A1 Method of manufacturing carbon composite engine valves |
| 12/23/1998 | EP0885349A1 Outward opening valve system for an engine |
| 12/15/1998 | US5848579 Cylinder head for engine |
| 12/10/1998 | DE19723520A1 Positional fixing of armature plate on electromagnetic valve actuator for internal combustion engine |
| 12/09/1998 | EP0882873A1 Piston pump |
| 12/08/1998 | US5848372 Apparatus for detecting trouble states in engine |
| 12/03/1998 | DE19712700A1 Valve for high performance four-stroke reciprocating piston engine |
| 12/01/1998 | US5842453 Device in a cylinder head for an internal combustion engine |
| 11/26/1998 | DE19822800A1 Timing control for internal combustion engine |
| 11/19/1998 | DE19719984A1 Four=stroke engine valve design on exhaust side |
| 11/12/1998 | WO1998050718A1 Modular valve assembly |
| 11/12/1998 | WO1998050593A1 Method of forming a component by sintering an iron-based powder mixture |
| 11/11/1998 | EP0877151A1 Valve cotters |
| 11/11/1998 | EP0877150A1 Two-part valve stem seal |
| 11/10/1998 | US5834664 Composed of nickel, chromium, molybdenum, carbon, iron and impurities, used for valve seat |
| 11/03/1998 | US5829404 Cylinder head for internal combustion engine |
| 10/28/1998 | EP0874066A1 Carbonaceous deposit-resistant coating for engine components |
| 10/28/1998 | EP0677138B1 Pneumatic valve return system for internal combustion engine |
| 10/27/1998 | US5826560 Engine combustion chamber and method of operation |
| 10/20/1998 | US5824922 Wear-resistant sintered alloy, and its production method |
| 10/20/1998 | US5823158 Engine valve and method for making the same |
| 10/20/1998 | US5823150 For a reciprocating machine |
| 10/20/1998 | CA2091812C Valve guide insert |
| 10/15/1998 | WO1998045579A1 Multicylinder internal combustion engine with two inlet valves and two outlet valves |
| 10/15/1998 | WO1998045226A1 Sintered silicon nitride, components made therewith, specially valves, methods for the production and use thereof |
| 10/15/1998 | DE19715499A1 Two stroke internal combustion engine |
| 10/15/1998 | DE19714708A1 Gesintertes Siliciumnitrid, Bauteile daraus, insbesondere Ventile, Verfahren zu deren Herstellung und deren Verwendung Sintered silicon nitride, components thereof, in particular valves, process for their preparation and their use |
| 10/15/1998 | DE19714030A1 Cooled valve for internal combustion engine |
| 10/13/1998 | US5819774 Self-lubricating coating is made of metal bonded chromium carbide, soft nobel metal, metal fluoride, while wear resistance coating is an alloy of nickel, chromium, tungsten and cobalt |
| 10/06/1998 | US5816210 Structure of an exhaust port in an internal combustion engine |
| 10/01/1998 | WO1998042958A1 Electromagnetic control device |
| 10/01/1998 | WO1998042954A1 Valve guide for an internal combustion engine |
| 10/01/1998 | DE19712059A1 Ventil für einen Verbrennungsmotor E 5 Valve for an internal combustion engine E 5 |
| 09/30/1998 | EP0867602A1 Electromagnetically operated valve control system and the method thereof |
| 09/24/1998 | DE19810882A1 Automatic conical half-collet assembly device for valve |
| 09/23/1998 | EP0866217A1 Multivalve engine |
| 09/22/1998 | US5809968 Cylinder head and flow passage therefor |
| 09/16/1998 | EP0864731A1 A1 alloy valve spring retainer |
| 09/16/1998 | EP0864730A1 Inlet valve in an internal combustion engine and a method of manufacturing the same |
| 09/16/1998 | CN1193071A Intake valve of internal combustion engine and mfg. method thereof |
| 09/15/1998 | US5806403 Multicylinder self-starting uniflow engine |
| 09/09/1998 | EP0863336A2 Seal for a reciprocating parts, in particular valve stem seal |
| 09/08/1998 | US5803042 Valves and valve timing for internal combustion engine |
| 09/08/1998 | US5803037 Joined type valve seat |
| 09/08/1998 | US5802716 Method for bonding a valve seat with a cylinder head |