| 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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| 12/30/2004 | DE10321291A1 Method of permanently connecting a valve stem to a valve part for a combustion engine presses the valve part down against a projection from the stem to give a positive fit |
| 12/23/2004 | DE102004025672A1 Sprayed-coated sliding material used for moving components, consists of molybdenum metal phase, or molybdenum metal phase and metal phase containing zinc, iron, nickel, cobalt, chromium and/or copper, and alloy phase |
| 12/22/2004 | EP1488081A1 Reciprocating engine and inlet system therefor |
| 12/21/2004 | US6832595 Self-cleaning internal combustion engine intake valve |
| 12/16/2004 | WO2004109067A1 Valve stem seal for internal combustion engines |
| 12/16/2004 | DE10341698A1 Ventilantrieb für ein Gaswechselventil Valve drive for a gas exchange valve |
| 12/15/2004 | EP1485582A1 Lightweight valve |
| 12/15/2004 | CN1554858A Valve rod for turbine valve and its heat treatment method |
| 12/14/2004 | US6830025 Dual spring valve stem seal module |
| 12/14/2004 | US6830019 Valve actuation in combustion engines with artificial muscles |
| 12/09/2004 | US20040247795 Method of producing a coated valve retainer |
| 12/09/2004 | DE10338386B3 Prefabricated molded blank of an annular or hollow cylindrical component used as a housing in a reciprocating piston machine has temperature-dependent layers which are varied and optimized using a bimetal effect |
| 12/09/2004 | DE10297567T5 Ventilführung für Brennkraftmaschinen, hergestellt aus einer Sinterlegierung auf Eisenbasis Valve guide for internal combustion engines, made from a sintered iron-based alloy |
| 12/02/2004 | WO2004104380A1 Valve drive for a gas exchange valve |
| 12/02/2004 | US20040237921 Unit trigger actuator |
| 12/02/2004 | US20040237715 Comprised of at least iron, chromium and molybdenum with smaller amounts of carbon, silicon and sulfur |
| 12/02/2004 | DE10321157A1 Valve actuator for gas exchange valve of IC engines has threaded sleeve connected to actuator piston and also clamping wedge parts |
| 12/01/2004 | EP1482156A2 High temperature corrosion and oxidation resistant valve guide for engine application |
| 11/25/2004 | US20040231638 Intake system of internal combustion engine |
| 11/25/2004 | DE10105763B4 Ventilbetätigungseinrichtung für ein Hubventil Valve actuator for a globe valve |
| 11/24/2004 | EP1412625B1 Cylinder head for an internal combustion engine |
| 11/16/2004 | US6819208 Electromagnetic linear actuator with position sensor |
| 11/16/2004 | US6817326 Valve system for internal combustion engines |
| 11/16/2004 | US6817324 Control unit of electromagnetically driven valve and control method thereof |
| 11/10/2004 | EP1475529A1 Cylinder head |
| 11/10/2004 | CN2654868Y Air valve guide-bar oil seal |
| 11/04/2004 | US20040216791 Reed valve and reed valve assembly |
| 11/04/2004 | US20040216726 Exhaust gas purifying device for engines |
| 11/03/2004 | EP1208292B1 Internal combustion engine |
| 11/03/2004 | CN2653134Y Air valve |
| 11/02/2004 | US6811143 Valve spring assembly and installation method |
| 10/28/2004 | WO2004079237A8 Valve for internal combustion engine, its method of manufacturing, and the high-temperature titanium alloy for the valve |
| 10/27/2004 | EP1471231A1 Variable valve type internal combustion engine and control method thereof |
| 10/27/2004 | CN1541280A Sintered alloy, method for prodn. thereof and valve sheet |
| 10/21/2004 | US20040206334 Variable valve type internal combustion engine and control method thereof |
| 10/20/2004 | EP1469175A2 Intake system of internal combustion engine |
| 10/20/2004 | EP1468183A1 Method for providing a component of a large machine with a protective coating |
| 10/20/2004 | EP1381757B1 Valve spring mechanism |
| 10/20/2004 | EP1137867A4 Carbon-carbon composite valve for high performance internal combustion engines |
| 10/20/2004 | CN1538045A Air inlet system of internal combustion engine |
| 10/14/2004 | US20040200451 Dual spring valve stem seal module |
| 10/13/2004 | EP1466995A1 Method of treating a valve comprising a nitruration step and valve obtained by this method |
| 10/13/2004 | EP1466081A1 Valve |
| 10/13/2004 | CN1537194A Cylinder head for internal combustion engine |
| 10/12/2004 | US6802883 Iron-based sintered alloy for use as valve seat and its production method |
| 10/08/2004 | CA2462188A1 Dual spring valve stem seal module |
| 10/07/2004 | US20040194576 Comprised of at least molybdenum, carbon, nickel, manganese, cobalt and iron; wear resistance; engine valve seats |
| 10/07/2004 | DE10312580A1 Ventilfederteller Valve spring retainer |
| 10/07/2004 | DE10310476A1 Valve gear for internal combustion engines in order to reduce flexural loads of rocker lever has force of valve closing springs applied to cam side of rocker lever |
| 10/06/2004 | EP1464718A1 High-strength, heat-resistant alloy for exhaust valves with improved overaging-resistance |
| 09/30/2004 | WO2004083626A1 Unitary engine block having an intermittent contact intake and exhaust lifter system |
| 09/30/2004 | WO2004083614A1 A four-stroke engine |
| 09/30/2004 | WO2004083610A1 Valve spring plate |
| 09/30/2004 | US20040187830 Sintered alloy valve seat and method for manufacturing the same |
| 09/30/2004 | DE19941782B4 Einlassventil für Hubkolben-Brannkraftmaschine Inlet valve for reciprocating internal combustion engine Brann |
| 09/30/2004 | CA2519934A1 Valve spring plate |
| 09/29/2004 | EP1462621A1 Composite lightweight engine poppet valve |
| 09/29/2004 | EP1462508A1 Use of an organomolybdenum compound containing composition for the lubrication of diamond-like carbon coated surfaces |
| 09/29/2004 | EP1462194A1 Method of manufacturing metallic components |
| 09/29/2004 | CN2644680Y Flexible shockproof air valve system of internal combustion engine |
| 09/29/2004 | CN1532387A Leaf valve or leaf valve assembly |
| 09/23/2004 | US20040184946 High-strength, heat-resistant alloy for exhaust valves with improved overaging-resistance |
| 09/23/2004 | US20040182351 Cylinder head for an internal combustion engine |
| 09/23/2004 | US20040182332 Liquid-cooled valve seat ring |
| 09/22/2004 | EP1460239A1 Reed valve or reed valve assembly |
| 09/21/2004 | US6795291 Electromechanical valve assembly for an internal combustion engine |
| 09/21/2004 | US6793876 Production process for Fe-based sintered alloy valve seat |
| 09/16/2004 | WO2004079237A2 Valve for internal combustion engine, its method of manufacturing, and the high-temperature titanium alloy for the valve |
| 09/16/2004 | US20040177821 Desmodromic valve drive |
| 09/16/2004 | DE19834188B4 Ventilzeitsteuergerät für eine Brennkraftmaschine Valve timing control apparatus for an internal combustion engine |
| 09/15/2004 | EP1180199B1 Valve device for two-stroke engine |
| 09/14/2004 | US6789518 Method and system for identifying valve clearances and position of valve opening cams |
| 09/09/2004 | US20040173291 Metal matrix composite |
| 09/09/2004 | US20040173171 Valve drive system and method |
| 09/08/2004 | EP1455058A2 Electromagnetic valve drive system and method |
| 09/08/2004 | EP1454037A1 Multi-piece valve for internal combustion piston engines |
| 09/08/2004 | CN1526920A 气门驱动系统及其方法 Valve drive system and method |
| 09/07/2004 | US6786186 Unit trigger actuator |
| 08/26/2004 | US20040164259 Valve spring mechanism |
| 08/25/2004 | CN1524161A 内燃机 Internal combustion engine |
| 08/18/2004 | CN2634122Y Air valve seat of motorcycle cylinder head |
| 08/18/2004 | CN1522338A 气缸头 Cylinder head |
| 08/17/2004 | US6776128 Internal combustion engine |
| 08/11/2004 | EP1445433A1 Valve drive for a valve-controlled internal combustion engine |
| 08/11/2004 | EP1445432A1 Valve drive for a valve-controlled internal combustion engine |
| 08/11/2004 | EP1444421A1 Method for the production of a valve seat |
| 08/05/2004 | US20040149273 Internal combustion engine |
| 08/04/2004 | CN1517518A Sintered alloy valve seat and its manufacturing method |
| 07/29/2004 | DE10301436A1 Process for reducing the temperature of I.C. engine exhaust gas, comprises feeding a liquid which does not ignite in the exhaust gas stream downstream of the combustion chamber and upstream of the catalyst |
| 07/28/2004 | EP1441111A1 Light weight engine poppet valve |
| 07/27/2004 | US6766778 Valve mechanism with a variable valve opening cross-section |
| 07/21/2004 | CN1514117A Gasoline engine valve guide tube |
| 07/20/2004 | US6764079 Valve seal assembly with straight-walled retainer |
| 07/20/2004 | US6764063 Valve seal assembly with bottom flange seal |
| 07/15/2004 | WO2004059132A1 A sealing apparatus of rotary valve-flap type valve mechanism for an internal combustion engine |
| 07/15/2004 | DE10257505B4 Gaswechselventil eines Verbrennungsmotors Gas exchange valve of an internal combustion engine |
| 07/15/2004 | DE10161438B4 Hubkolbenmaschine Reciprocating engine |
| 07/14/2004 | CN2625586Y Motorcycle valve guide conduit roughcast |
| 07/14/2004 | CN1513081A Internal combustion engine comprising direct nijection and method for operating the same |
| 07/14/2004 | CN1513080A 直喷式内燃机 Direct-injection internal combustion engine |