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