| 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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| 02/04/2004 | EP1385661A1 High machinability iron base sintered alloy for valve seat inserts |
| 02/03/2004 | US6684492 Cotter-mounting apparatus |
| 01/28/2004 | CN1136382C Engine, preferable reciprocating engine |
| 01/27/2004 | US6681735 Sliding member and method of manufacturing thereof |
| 01/22/2004 | DE10231381A1 Kühlvorrichtung für Einlassventile und/oder Auslassventile einer Brennkraftmaschine Cooling device for intake valves and / or exhaust valves of an internal combustion engine |
| 01/21/2004 | EP1381758A1 Internal combustion engine comprising direct injection and a method for operating the same |
| 01/21/2004 | EP1381757A1 Valve spring mechanism |
| 01/20/2004 | US6679932 High machinability iron base sintered alloy for valve seat inserts |
| 01/20/2004 | US6679502 Valve stem seal assembly with valve guide retainer |
| 01/20/2004 | US6679478 Hollow poppet valve and method for manufacturing the same |
| 01/20/2004 | US6679219 Intake and exhaust valves for internal combustion engines |
| 01/20/2004 | US6679204 Valve driving apparatus of internal combustion engine |
| 01/15/2004 | WO2002001054A3 Conjugate vortex stratified exhaust gas recirculation system |
| 01/15/2004 | US20040008100 Stop valve drive device operated by electromagnetic actuator |
| 01/14/2004 | EP1379760A1 Direct injection internal combustion engine |
| 01/13/2004 | US6676724 Powder metal valve seat insert |
| 01/13/2004 | US6675757 Intake valve for an internal combustion machine |
| 01/08/2004 | DE10258901A1 Ventilsteuerung für Brennkraftmaschinen Valve control for internal combustion engines |
| 01/08/2004 | DE10227770A1 Vorrichtung zur Beeinflussung der Strömung in einem gasführenden Kanal einer Brennkraftmaschine Device for influencing the flow in a gas-conducting duct of an internal combustion engine |
| 01/08/2004 | DE10227769A1 Vorrichtung zur variablen Änderung der Verdichtung einer Brennkraftmaschine Apparatus for variably changing the compression of an internal combustion engine |
| 01/08/2004 | DE10226013A1 Ventilsitz für Brennkraftmaschine Valve seat for internal combustion engine |
| 01/07/2004 | EP1377732A1 Connection between a stem end of a gas exchange valve in an internal combustion engine and a sleeve-shaped control piston on a tappet |
| 01/06/2004 | US6672270 Fuel efficient valve mechanism for internal combustion engines |
| 01/02/2004 | EP1375842A1 Valve arrangement for an internal combustion engine and manufacturing method |
| 01/02/2004 | EP1375841A2 powder metal valve seat insert |
| 01/01/2004 | US20040000283 Powder metal valve seat insert |
| 12/30/2003 | US6668783 Cylinder head for internal combustion engine |
| 12/25/2003 | US20030234278 Fitting a first joint portion (head) and a second joint portion (shaft)to each other with a predetermined interference and heating in an oxygen-free environment; engine valves of internal combustion enginces; efficiency |
| 12/25/2003 | US20030233910 Contains iron as a main component, carbon, silicon, chromium, molybdenum, cobalt, maganese, lead, vanadium, advantageously boron nitride, and tungsten; strength, wear resistance improved by a sub-zero treatment |
| 12/24/2003 | WO2003106819A1 Unit trigger actuation |
| 12/18/2003 | US20030230164 Iron-based sintered alloy for use as valve seat and its production method |
| 12/16/2003 | US6662763 De′ sax′ e two cycle engine, constant pressure adiabatic compound “C.P.A.C.” |
| 12/11/2003 | WO2003102382A1 Valve mechanism for internal combustion engine |
| 12/11/2003 | US20030226537 Ring valve for 4-stroke piston engine |
| 12/10/2003 | EP1053388B1 Lightweight valve |
| 12/10/2003 | CN2591231Y Powder metallurgical composite material engine air valve guide cylinder |
| 12/09/2003 | US6660056 Wear resistance |
| 12/09/2003 | US6659469 Extrusion of elastomeric tubes having knit fabric laminations as supports, then cutting, molding and curing to form fittings for internal combustion engines |
| 12/09/2003 | US6659059 Variable displacement valve seat for internal combustion engines |
| 12/04/2003 | WO2003100223A1 Method for producing a built valve having a hollow shank for reciprocating piston engines |
| 12/04/2003 | US20030221652 Fuel efficient valve mechanism for internal combustion engines |
| 12/03/2003 | CN2589685Y Power lifted petrol engine |
| 12/02/2003 | US6656418 Steel composition, method for making same and parts produced from said compositions, particularly valves |
| 11/27/2003 | US20030217725 Variable spring force intake valve assembly |
| 11/26/2003 | EP1365126A2 Improved internal combustion engine and working cycle |
| 11/26/2003 | EP1365123A1 Direct-injection spark-ignition engine |
| 11/26/2003 | CN2588054Y Structure improvement for valve oil seal |
| 11/20/2003 | WO2003095877A1 Reed valve assembly |
| 11/20/2003 | WO2003095804A1 Valve spring supporting structure of engine |
| 11/20/2003 | US20030214102 Valve shaft seal for an internal combustion engine |
| 11/19/2003 | EP1362985A2 Valve system |
| 11/19/2003 | EP0973702B1 Sintered silicon nitride, components made therewith, specially valves, methods for the production and use thereof |
| 11/18/2003 | US6647943 Valve stem seal assembly with locator system |
| 11/13/2003 | US20030209275 Reed valve assembly |
| 11/13/2003 | US20030209218 Method for manufacturing a multi-part valve for internal combustion engines |
| 11/13/2003 | US20030209013 Piston air engine |
| 11/12/2003 | EP1361343A1 Exhaust device for an internal combustion engine |
| 11/11/2003 | US6644251 Two-stroke engine having a membrane valve integrated into the transfer channel |
| 11/05/2003 | EP1359292A1 Lightweight valve |
| 11/05/2003 | CN2584835Y Forming mould |
| 11/05/2003 | CN1453459A Reinforcing air intake valve for diesel engine of diesel locomotive and its manufacture |
| 11/05/2003 | CN1453458A Double-metal exhaust gate for diesel engine of diesel locomotive and its manufacture |
| 11/05/2003 | CN1126862C Cam operating system |
| 11/04/2003 | US6641779 Fe-based sintered valve seat having high strength and method for producing the same |
| 10/30/2003 | WO2003089768A1 Moveable valve sealing body exposed to hot gases |
| 10/30/2003 | US20030200641 Cotter-mounting apparatus |
| 10/29/2003 | EP1356191A1 Intake valve for an internal combustion engine |
| 10/29/2003 | CN1451850A Lift valve |
| 10/22/2003 | CN1450288A Method for mfg of poppet valve |
| 10/22/2003 | CN1125239C Failsafe control system and method for an electromagnetically driven valve |
| 10/21/2003 | US6635128 Work hardened poppet exhaust valve |
| 10/21/2003 | US6634333 Direct injection type internal combustion engine |
| 10/19/2003 | CA2423573A1 Valve seal assembly with straight-walled retainer |
| 10/15/2003 | EP1353045A2 Poppet valve |
| 10/15/2003 | EP1353044A2 Method of manufacturing a poppet valve |
| 10/15/2003 | EP1353043A1 Control device for an air valve of an engine |
| 10/14/2003 | US6633157 Displacement detecting device |
| 10/14/2003 | US6632263 Sintered products having good machineability and wear characteristics |
| 10/09/2003 | WO2003083270A1 Reciprocating engine and inlet system therefor |
| 10/09/2003 | WO2002086365A8 Linear indicator for a valve |
| 10/09/2003 | CA2478843A1 Reciprocating engine and inlet system therefor |
| 10/07/2003 | US6629516 Exhaust port structure of internal combustion engine |
| 10/01/2003 | CN1445378A Sitered alloy for valve seat, valve seat and preparation method therefor |
| 09/25/2003 | US20030180175 Corrosion-resisting and wear-resisting alloy and device using the same |
| 09/25/2003 | US20030177997 Cylinder head for internal combustion engine |
| 09/25/2003 | US20030177995 Connection between a shaft end of a gas exchange valve in an internal combustion engine and a sleeve-shaped control piston on a tappet |
| 09/25/2003 | US20030177863 Sintered alloy for valve seats, valve seat and manufacturing method thereof |
| 09/24/2003 | EP1347068A1 Sintered alloy for valve seats, valve seat and manufacturing method thereof |
| 09/24/2003 | EP1347067A1 Iron-based sintered alloy for use as valve seat and its production method |
| 09/24/2003 | CN1444690A Improvements in cam contacting devices |
| 09/23/2003 | US6623568 O2 is put into the valve in a furnace at very slight amount and heated to introduce oxygen atoms into titanium of the valve to form a Ti-O interstitial solid solution without making titanium oxides. |
| 09/23/2003 | US6622684 Unitary engine block having an intermittent contact intake and exhaust lifter system |
| 09/18/2003 | US20030172895 Self-cleaning internal combustion engine intake valve |
| 09/17/2003 | EP1344898A2 Stamped valve spring |
| 09/17/2003 | CN1443272A Passive valve assembly |
| 09/17/2003 | CN1443271A Gas exchange valve arrangement and valve seat construction with ring-shaped groove |
| 09/16/2003 | US6619245 Failsafe control system and method for an electromagnetically driven valve |
| 09/12/2003 | WO2003074843A1 Lightweight valve |
| 09/11/2003 | US20030168618 Passive valve assembly |
| 09/10/2003 | CN1441151A Air valve rod seal piece on IC engine |