| 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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| 04/17/2003 | US20030070712 Discharge valve assembly of fluid machinery |
| 04/17/2003 | US20030070644 Internal combustion engine |
| 04/16/2003 | EP1301693A1 Gas exchange valve arrangement and valve seat construction with a ring-shaped groove |
| 04/16/2003 | EP0775253B1 Titanium engine valve |
| 04/09/2003 | EP1300481A2 Powder metal valve guide |
| 04/09/2003 | CN2544105Y Valve stem oil seal |
| 04/09/2003 | CN2544104Y High-performance valve stem oil seal |
| 04/09/2003 | CN1408989A Multiple valve engine |
| 04/03/2003 | US20030061905 Powder metal blend of Cu, solid lubricant, graphite, bronze, copper phosphorus or iron phosphorus, fugitive lubricant, and low alloy steel powder containing 0.3-1 % Mn. |
| 04/03/2003 | DE20300515U1 Cylinder head for internal combustion engine has at least one aerodynamic valve (10) with valve plate (12) and valve shaft (14) |
| 04/02/2003 | EP1179121B1 Electromagnetic multiple actuator |
| 04/02/2003 | CN2542833Y Flexible impact valve system of internal combustion engine |
| 04/02/2003 | CN1407212A Valve spring assembly and installation thereof |
| 04/02/2003 | CN1407126A Ti合金的表面处理 Ti alloy surface treatment |
| 04/02/2003 | CN1104510C Powdered metallurgy valve-seat insert piece |
| 04/01/2003 | US6539908 Inlet conduit for a valve-controlled internal combustion engine and method of producing a flow deflection edge in an inlet conduit |
| 04/01/2003 | US6539903 Compound movement elliptic valve assembly |
| 03/27/2003 | US20030056856 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. |
| 03/27/2003 | DE10042036C2 Brennkraftmaschine Internal combustion engine |
| 03/26/2003 | CN1405434A Method for pressing valve gate piece and its necessary mould |
| 03/25/2003 | US6536397 Bonding structure of valve seat and method of making the same |
| 03/25/2003 | US6536388 Variable engine valve control system |
| 03/25/2003 | US6536386 Assist gas fuel injection mechanism for 2-cycle internal combustion engine |
| 03/20/2003 | WO2003023196A1 Actuator for actuating a lift valve |
| 03/20/2003 | US20030051704 Multi-valve engine |
| 03/19/2003 | EP1293646A2 Multi-valve engine |
| 03/19/2003 | CN1403714A Bleed valve assembly for fluid machinery |
| 03/18/2003 | US6534170 Diamond-coated sliding part |
| 03/18/2003 | US6532925 Stamped valve spring and retainer |
| 03/13/2003 | WO2003021085A1 Valve stem seal assembly with valve guide retainer |
| 03/13/2003 | US20030047243 Ti alloy surface treatment |
| 03/13/2003 | US20030047152 Valve driving apparatus of internal combustion engine |
| 03/13/2003 | CA2457867A1 Valve stem seal assembly with valve guide retainer |
| 03/12/2003 | EP1291495A1 Valve driving apparatus of internal combustion engine |
| 03/12/2003 | EP0995027B1 Method for making a cylinder head with integrated valve seats and cylinder head with integrated valve seats |
| 03/11/2003 | US6531003 An abrasion resistance copper alloy consits of nickel, silicon, and a material selected from molybdenum, tungsten, tantalum, niobium, vanadium and copper; free of microcracking |
| 03/11/2003 | US6530349 Two-cycle internal combustion engine |
| 03/06/2003 | WO2003018969A1 Detachable connection for coupling a gas exchange valve of an internal combustion engine to an actuator |
| 03/06/2003 | WO2003018967A1 Valve mechanism comprising a variable cross-section of a valve opening |
| 03/06/2003 | WO2003018966A1 Valve mechanism with a variable valve opening cross-section |
| 03/06/2003 | WO2003018965A1 Valve mechanism with a variable valve opening diameter |
| 03/06/2003 | US20030044304 High strength, oxidation resistance steel; valves for internal combustion engines |
| 03/06/2003 | US20030041819 Engine induction valve with reduced backflow |
| 03/06/2003 | DE20218888U1 Loading device to feed in valve cotter pins has base body for specific cotter pins containing receiver cavity in which pins are held between inner and outer guides |
| 03/05/2003 | EP1288447A2 Valve spring assembly, valve spring retainer and method of building a valve spring assembly |
| 03/05/2003 | EP1288327A2 TI alloy surface treatment |
| 03/05/2003 | EP1287173A1 $g(G)-TIAL ALLOY-BASED COMPONENT COMPRISING AREAS HAVING A GRADUATED STRUCTURE |
| 03/05/2003 | CN1401048A Control device for an air valve of an engine |
| 03/04/2003 | US6527275 Molded rubber jacket with fabric reinforcement for valve stem seal |
| 03/04/2003 | US6526928 Electromagnetic multiple actuator |
| 02/27/2003 | US20030038269 Valve spring assembly and installation method |
| 02/21/2003 | CA2357794A1 Attain's new spring media |
| 02/19/2003 | EP1284300A2 Wear resistant sintered member and process of manufacture therefor |
| 02/18/2003 | US6519847 Surface treatment of prefinished valve seat inserts |
| 02/13/2003 | WO2003012267A1 Cylinder head for an internal combustion engine |
| 02/13/2003 | US20030029410 Connection between two shaft ends, positioned coaxially one behind the other, of a gas shuttle valve in an internal combustion engine and a valve actuator |
| 02/11/2003 | US6516769 Valve seal assembly with dual finger retainer system |
| 02/06/2003 | WO2003010455A1 Reed valve and method of making same |
| 02/06/2003 | US20030024497 Valve stem seal assembly with locator system |
| 02/05/2003 | EP1280982A1 Electromagnetic valve actuator |
| 02/05/2003 | CN1100938C System and method for detecting malfunction related to valve of internal combustion engine |
| 02/04/2003 | US6513464 Two cycle stratified charge gasoline engine |
| 01/31/2003 | CA2395160A1 Valve stem seal assembly with locator system |
| 01/30/2003 | US20030019527 Reed valve and method of making same |
| 01/30/2003 | US20030019453 Connection between a stem end of a gas exchange valve in an internal combustion engine and an actuator body of a valve actuator |
| 01/29/2003 | CN2533268Y Duct for air valve |
| 01/28/2003 | US6511045 Ti alloy poppet valve and a method of manufacturing the same |
| 01/23/2003 | WO2003006811A1 Insert, acting as the base area of a cylinder head |
| 01/22/2003 | CN1392918A Sliding member and method of manufacturing thereof |
| 01/16/2003 | US20030010153 High machinability iron base sintered alloy for valve seat inserts |
| 01/15/2003 | EP0896651B1 Device and method in combustion engines |
| 01/14/2003 | US6505593 Valve spring set load changing device in a valve moving apparatus of an internal combustion engine |
| 01/09/2003 | WO2003002859A1 Internal combustion engine |
| 01/09/2003 | US20030005902 Four-stroke internal combustion engine cylinder head |
| 01/08/2003 | EP1273784A2 Four stroke internal combustion engine cylinder head |
| 01/08/2003 | CN1390277A Compound movement elliptical valve overhead |
| 01/02/2003 | EP1268987A1 Passive valve assembly |
| 01/02/2003 | DE10156196C1 Production of a valve seat used for a cylinder head of internal combustion engine comprises fusing an additive material made from an alloy or a mixture of an aluminum-lead alloy and a further component at a certain point on a cylinder head |
| 01/01/2003 | CN1388853A Connection between a stem end on a gas exchange valve in an internal combustine engine and a sleeve-like actuator body of a valve actator |
| 01/01/2003 | CN1388851A Connection between a stem end of a gas exchange valve in an internal combustion engine and an actuator body of a valve actuator |
| 01/01/2003 | CN1097639C Titanium-based composite material method for producing the same and engine valve |
| 12/26/2002 | US20020195175 .01-.3 wt% of carbon, 14-35 wt % of chromium, total titanium, zirconium and hafnium of .1-6%, .15-.5 wt% sulfur, with machinability improving compound phase dispersed in the matrix |
| 12/19/2002 | WO2002101107A1 Sintered alloy, method for production thereof and valve sheet |
| 12/19/2002 | DE10129161A1 Method for inserting valve seat rings in cylinder heads of internal combustion engines involves an acoustic noise recording device as control monitor to release signal |
| 12/18/2002 | CN1386159A Connection between two shaft ends, positioned coaxially one behind the other, of a gas shuttle valve in an internal combustion engine and a valve actuator |
| 12/12/2002 | US20020186902 Ball bearing valve guide |
| 12/12/2002 | US20020185105 Internal combustion engine |
| 12/11/2002 | EP0974000B1 Multicylinder internal combustion engine with two inlet valves and two outlet valves |
| 12/11/2002 | CN1384303A Non-return valve |
| 12/05/2002 | WO2002097245A1 Liquid-cooled valve seat ring |
| 12/05/2002 | US20020179877 Valve seal assembly with spring finger retainer |
| 11/30/2002 | CA2388466A1 Valve seal assembly with spring finger retainer |
| 11/27/2002 | EP0761932B1 Sliding part and method of manufacturing the same |
| 11/27/2002 | CN1095027C Multicylinder internal combustion engine with two inlet vales and two-outlet valves |
| 11/26/2002 | US6485678 With hot hardness, and also relates to iron base alloys containing primary intermetallic compounds as hard phases |
| 11/21/2002 | US20020171205 Molded rubber jacket with fabric reinforcement for valve stem seal |
| 11/21/2002 | US20020171060 Valve spring retainer |
| 11/21/2002 | DE10218563A1 Verfahren zur Ventilsitz-Herstellung unter Verwendung eines Laserplattierprozesses A method for manufacturing the valve seat by using a Laserplattierprozesses |
| 11/20/2002 | EP1258610A2 Internal combustion engine with direct injection |
| 11/19/2002 | US6482275 Nickel based alloys for internal combustion engine valve seat inserts, and the like |