| 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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| 05/10/2001 | WO2001033066A1 Exhaust port structure of internal combustion engine |
| 05/10/2001 | WO1997034077A8 Carbon fiber reinforced carbon composite valve for an internal combustion engine |
| 05/08/2001 | US6227548 Seal for machine parts that reciprocate relative to one another |
| 05/08/2001 | US6226866 Method of making carbon-carbon composite valve for high performance internal combustion engines |
| 05/03/2001 | DE19949471C1 Production of valve shaft seal, comprises metallic reinforcement ring against spaced contact zones at the mold section with overflow zone between them to take overflow elastomer |
| 05/03/2001 | DE19943264A1 Maschine, insbesondere Zweitakt-Großdieselmotor Machine, especially two-stroke diesel engine |
| 05/01/2001 | US6223426 Device for introducing valve keys in internal-combustion-engine valves |
| 04/25/2001 | EP1094202A2 Method of hardening a valve face in a poppet valve |
| 04/24/2001 | US6222150 Joined metal member and a method and an apparatus for fabricating the same |
| 04/19/2001 | DE19949248A1 Ventilschaftabdichtung Valve stem seal |
| 04/19/2001 | DE19945348A1 Dichtung für hin- und hergehende Maschinenteile Seal for reciprocating machine parts |
| 04/18/2001 | EP1092841A1 Valve seal |
| 04/10/2001 | US6214080 Powdered metal valve seat insert |
| 04/10/2001 | US6213068 Method of checking the operability of the variable valve control in an internal combustion engine |
| 04/05/2001 | DE10045418A1 Device to control valve timing of internal combustion engine has housing connected either to rotating element or to camshaft, and vane rotor is connected to camshaft or rotating element providing one or other is not connected to housing |
| 04/03/2001 | US6209504 Heavy-duty valve stem seal |
| 03/28/2001 | EP1087108A1 Valve seal |
| 03/28/2001 | CN2425198Y Air inlet valve device for engine |
| 03/27/2001 | US6205969 Multi-seal retainer assembly and method for making the same |
| 03/27/2001 | US6205966 Multicylinder internal combustion engine with two inlet valves and two outlet valves |
| 03/27/2001 | CA2234784C Computer controlled intake and exhaust valve |
| 03/22/2001 | WO2001020154A1 Engine, preferably a reciprocating engine |
| 03/22/2001 | WO2001020151A1 Integrated lost motion rocker brake with control valve for lost motion clip/reset |
| 03/22/2001 | WO2001020137A1 A valve, and a marine propulsion unit incorporating a valve |
| 03/22/2001 | WO2001020134A1 Compound movement elliptical valve overhead |
| 03/20/2001 | US6202616 Valve seal assembly for an internal combustion engine |
| 03/20/2001 | US6202609 Electromagnetic control device |
| 03/20/2001 | US6202608 Control system for internal combustion engine |
| 03/15/2001 | DE19941782A1 Intake valve for reciprocating piston engines has flat cylindrical recesses between valve shaft and valve seat sealing surface with axial front end |
| 03/15/2001 | DE10042036A1 IC engine has first group of like gas exchange valves with valve axis in V-formation, and second valve group with parallel valve axis |
| 03/14/2001 | CN2423407Y 气门油封罩 Valve seal cover |
| 03/14/2001 | CA2316760A1 Coextruded valve stem seal |
| 03/14/2001 | CA2316758A1 Heavy-duty valve stem seal |
| 03/13/2001 | US6200688 Valve seat insert member made of said alloy which has relatively low levels of chromium and nickel and relatively high levels of iron together with other constituents. |
| 03/13/2001 | US6199531 Shutter valve system for internal combustion engines |
| 03/13/2001 | CA2044226C Method and apparatus for producing a surface layer on a metallic workpiece |
| 03/10/2001 | CA2317843A1 Valve stem seal with pads with tangs |
| 03/08/2001 | WO2001016469A1 Internal combustion engine |
| 03/07/2001 | EP1081366A2 Intake port structure in four-stroke cycle internal combustion engine |
| 03/01/2001 | WO2001014772A1 Zero axial motion spring retainer |
| 02/27/2001 | US6193822 Precipitation hardening heat resistant alloys, hot forging a blank to form valves, cold processing a nickel alloy |
| 02/22/2001 | WO2001012959A1 Valve gear, in particular for combustion engines |
| 02/22/2001 | WO2001012958A1 A valve drive in particular for combustion engines of motor vehicles |
| 02/22/2001 | DE19939371A1 Valve drive for internal combustion engine, with adjustment device consisting of transverse lever and linear unit |
| 02/22/2001 | DE10026721A1 Ventilsystem für einen Verbrennungsmotor A valve system for an internal combustion engine |
| 02/15/2001 | DE19938451A1 Elektromagnetisch betätigter Ventiltrieb für ein Hubventil einer Hubkolben-Brennkraftmaschine Electromagnetically actuated valve train for a lift valve of a reciprocating internal combustion engine |
| 02/14/2001 | EP1076162A2 Electromagnetic valve drive mechanism for a piston engine lift valve |
| 02/14/2001 | EP1076112A1 TI alloy poppet valve and surface treatment thereof |
| 02/14/2001 | CN1283759A Ti alloy lifting valve and its surface treatment |
| 02/13/2001 | US6186478 Non-heat-treatable, aluminum-alloy head having ceramic particles, e.g. oxide, carbide, nitride, uniformly dispersed to increase wear resistance and durability; high strength; internal combustion engines |
| 02/08/2001 | WO2001008847A1 Toolhead designed particularly to machining of valve seats incorporated in combustion engines |
| 02/08/2001 | DE19956825C1 Cylinder head for an IC motor has a head system with valves at the same angle for a variant with fuel intake and a variant for direct fuel injection as a common head for either type |
| 02/07/2001 | EP1074329A2 Diffusion joining structure |
| 01/30/2001 | US6181239 Method and apparatus for timing belt drive |
| 01/25/2001 | DE19934780A1 Ventilschaftführung mit Zwangsschmierung Valve stem guide with forced lubrication |
| 01/25/2001 | DE19931052A1 Electromagnetic valve control for internal combustion engine, has armature mounted on rod and activated by electromagnet |
| 01/24/2001 | EP1070832A2 Valve guide with forced lubrication |
| 01/24/2001 | EP1070831A2 Ultra light engine valve and method of welding cap thereto |
| 01/24/2001 | CN1281091A Super light type engine gas valve and method of welding round lid on it |
| 01/23/2001 | US6176209 Electromagnetically operated valve control system and the method thereof |
| 01/18/2001 | DE19932050A1 Roller ball on end of valve stem, pressed onto end of valve stem with enough play for it to roll |
| 01/17/2001 | EP0886624A4 Method of manufacturing carbon composite engine valves |
| 01/16/2001 | US6173702 Movable wall member in the form of an exhaust valve spindle or a piston in an internal combustion engine |
| 01/16/2001 | US6173693 Cylinder head |
| 01/16/2001 | CA2037870C Rocker arm with rounded channel to engage a valve stem with semi-spherical end |
| 01/11/2001 | DE19927929A1 Safety device between timing gear lever and valve in IC engines has valve levers with undercut guide grooves engaging with valve shaft end |
| 01/10/2001 | EP1066131A1 Gas exchange valve with a hollow space |
| 01/02/2001 | US6168398 Piston pump having lifting valves with a convex surface |
| 01/02/2001 | US6168134 Exhaust gas recirculation valve with variable flow area |
| 01/02/2001 | US6167859 Fiber reinforced ceramic matrix composite internal combustion engine intake/exhaust valves |
| 01/02/2001 | US6167856 Low friction cam shaft |
| 01/02/2001 | US6167852 Vale opening and closing time detecting apparatus and method thereof for electromagnetically operated valve mechanism in internal combustion engine |
| 01/02/2001 | CA2169862C Silicon nitride ceramic sliding member and process for producing the same |
| 12/28/2000 | DE19957180A1 Internal combustion engine gas change systems move seal to open and close gas orifice as function of chamber pressure with valve base cylinder head and seal forming controllable opening gap. |
| 12/28/2000 | DE19957179A1 Internal combustion engine gas change system involves coaxially boxed gas change channels controlled by movable seals as function of pressure in chamber. |
| 12/28/2000 | DE19957153A1 Internal combustion engine gas change system centers round channel seal movement patterns relative internal chamber pressure force exerted on seal. |
| 12/28/2000 | DE19957148A1 Internal combustion gas change system uses movable gas change channel seal relative chamber force load and includes actuators linked by energized windings to seal. |
| 12/28/2000 | DE19957147A1 Internal combustion engine gas change system includes valve base connected to engine and seal and cylinder head to form opening gap with auxiliary injection or cooling or metering systems. |
| 12/28/2000 | DE19928284A1 Ventiltrieb für Verbrennungskraftmaschine Valve gear for internal combustion engine |
| 12/27/2000 | EP1063391A2 Valve drive for an internal combustion engine |
| 12/21/2000 | DE19927723A1 Valve arrangement for 4-valve cylinder head for IC engines has two pairs of valves connected by bars along valve plates, and one valve only being driven by camshaft |
| 12/20/2000 | CN1277654A Exhaust valve for internal combustion engines |
| 12/20/2000 | CN1059730C 内燃机 Internal combustion engine |
| 12/19/2000 | US6161285 Method for manufacturing a poppet valve from a γ-TiAl base alloy |
| 12/13/2000 | CN2410422Y Self-grinding valve for internal-combustion engine |
| 12/07/2000 | WO2000034629A3 Carbon-carbon composite valve for high performance internal combustion engines |
| 12/06/2000 | EP0901565B1 An exhaust valve for an internal combustion engine |
| 12/05/2000 | US6155108 Valve seat insert gaging system |
| 11/30/2000 | WO2000071860A1 Internal combustion engine |
| 11/30/2000 | DE19961064A1 Vorrichtung und Verfahren zum Detektieren ventilbezogener Fehlerzustände für einen Verbrennungsmotor Apparatus and method for detecting valve-related error conditions for an internal combustion engine |
| 11/30/2000 | DE19957146A1 Gas change device for internal combustion engines has closure body mounted in recess of cylinder head and moving axially away from combustion chamber to open gas change opening of gas change pipe |
| 11/30/2000 | DE19923902A1 Verbrennungsmotor Combustion engine |
| 11/30/2000 | DE19922427A1 Elektromagnetischer Mehrfachstellantrieb Electromagnetic Multiple actuator |
| 11/30/2000 | DE19920176A1 Aerodynamic valve for combustion engines has kidney-shaped valve plate and two initially separate inlet channels brought together in front of valve seat |
| 11/23/2000 | WO2000070196A1 Electromagnetic multiple actuator |
| 11/22/2000 | EP1053388A1 Lightweight valve |
| 11/21/2000 | US6148783 Valve seal body including encapsulated metal spring seat and method for making the same |
| 11/16/2000 | WO2000068565A1 Valve system having improved opening and breathing characteristics for internal combustion engines |
| 11/14/2000 | CA2217180C Thermodynamical aspiration valve |
| 11/02/2000 | WO2000065204A1 Electromagnetic linear actuator with position sensor |