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)
01/2000
01/18/2000USRE36499 Method and apparatus for holding a cylinder valve closed during combustion
01/13/2000DE19837093A1 Ceramic gas exchange valve for internal combustion engines has valve shaft with conical enlargement and correspondingly shaped sleeve fitted over it
01/12/2000EP0971097A1 Valve for an internal combustion engine
01/12/2000EP0970294A1 Valve guide for an internal combustion engine
01/12/2000CN1048312C Ultra light IC engine valve and its making method
01/11/2000US6012703 Sintered alloy
01/11/2000US6012280 Reciprocating engine
01/05/2000EP0890020B1 Process for producing cylinder heads for internal combustion engines
01/05/2000DE19910951A1 Cylinder head with combined rotary slide valve steering
01/05/2000DE19828946A1 Procedure for control of running reciprocating piston internal combustion engine
01/04/2000US6009861 Method of improving the combustion characteristics in an internal combustion engine
01/04/2000US6009843 Fiber reinforced, titanium composite engine valve
12/1999
12/29/1999EP0967368A2 Electromagnetically-powered valve operating apparatus of automative internal combustion engine
12/28/1999US6006778 Device for sensing the amount of oil in oil pans
12/28/1999US6006713 Hollow valve for internal combustion engines
12/28/1999US6006711 Spark plug function incorporated engine valve and valve mechanism
12/28/1999US6006707 Valve timing control apparatus for an internal combustion engine
12/22/1999EP0965653A1 VALVE SEAT MADE OF Fe-BASE SINTERED ALLOY EXCELLENT IN WEAR RESISTANCE
12/22/1999EP0965412A1 Process for producing a TiAl-based alloy poppet valve
12/22/1999CN1239532A Multicylinder internal combustion engine with two inlet valves and two outlet valves
12/16/1999WO1999064202A1 Surface treatment of prefinished valve seat inserts
12/15/1999EP0963509A1 Gas shuttle valve, and method for measuring the pressure in the combustion chamber of an internal combustion chamber
12/14/1999US6000372 Cylinder head for use for crankcase having various cylinder-bore diameters
12/14/1999US6000368 Three-dimensional camshaft and its manufacturing method
12/09/1999DE19922607A1 Brennkraftmaschine Internal combustion engine
12/09/1999DE19823798A1 Automotive piston engine valve seat has geometric profile
12/07/1999US5996202 Device for automated assembling of cone half-bits of a valve of an internal combustion engine
12/02/1999DE19824475A1 Electromagnetic actuator for operating gas exchange valve in IC engine
12/01/1999EP0960328A1 Method and device for testing a component made from brittle material
11/1999
11/24/1999EP0653015B1 internal combustion engine
11/18/1999DE19908208A1 Overlaying molybdenum-based alloy for a gas engine valve
11/16/1999US5983495 Method of making spray-formed inserts
11/11/1999WO1999057424A1 Direct flow engine with sliding valves and totally variable timing
11/11/1999DE19819559A1 Valve stem seal includes a sealing ring with reduced stiffness
11/10/1999EP0955452A1 Process for fitting a valve seat in an engine cylinder head
11/10/1999EP0954685A1 Two cycle engine having a mono-valve integrated with a fuel injector
11/10/1999EP0954682A1 Power machine valve control
11/10/1999CN1234311A Joined metal member and method of joining said member
11/10/1999CN1046336C Valve guide insertion piece, its forming and fitting method, and fitting tool thereof
11/03/1999EP0953758A1 Cylinder head
11/02/1999US5975039 Process for manufacturing valve seat made of sintered FE alloy and valve seat made of sintered FE alloy
10/1999
10/26/1999US5970934 Low profile internal combustion engine
10/26/1999US5970614 Method for forming valve seats
10/21/1999DE19917213A1 Nickel-iron base wear resistant alloy useful as valve seat material in diesel fuel internal combustion engine
10/13/1999EP0948706A1 Device for mixing air and fuel in the combustion chamber of an internal combustion engine
10/12/1999US5964192 Electromagnetically operated valve control system and the method thereof
10/07/1999WO1999050552A1 Four-stroke engine comprising a separator component on the induction ducting
10/06/1999EP0947277A2 Joined metal member and method of joining said member
10/05/1999US5961907 Process for producing silicon nitride sliding member
10/05/1999US5960760 Light weight hollow valve assembly
09/1999
09/28/1999US5958332 Cylinder member and nickel-based facing alloys
09/27/1999CA2227124A1 Attain's 2 new valve trains, or "a-2nvt"
09/23/1999DE19911618A1 Procedure for making gas exchange valves, seat rings or cylinder heads with increased abrasion resistance of seating face for IC engines
09/22/1999CN2339753Y Efficient valve-actuating mechanism of four-stroke engine
09/16/1999WO1999046486A1 Fixing a valve spring retainer to a valve stem
09/15/1999EP0752015B1 A method of making a sintered article
09/14/1999US5951789 Excellent in cold workability, inexpensive on account of relatively low nickel content, and suitable for use as exhaust valves of automotive engines
09/14/1999US5950582 Internal combustion engine with variable camshaft timing and intake valve masking
09/10/1999WO1999045241A1 Charging device of four-cycle engine
09/08/1999EP0940564A2 Al alloy poppet valve
09/08/1999CN1227891A Alluminium alloy poppet valve
09/05/1999CA2225048A1 Attain's new engine ports and valve trains
09/02/1999DE19808574A1 Reciprocating piston engine with internal exhaust return
09/02/1999DE19808051A1 Cylinder head of IC engine
09/01/1999EP0939139A2 Abrasion resistant copper alloy for build-up cladding on engine cylinder head
08/1999
08/25/1999EP0937867A2 Light weight hollow valve assembly
08/25/1999EP0937866A2 Engine valve assembly
08/25/1999EP0793733B1 Method of manufacturing a cylinder member and nickel-based facing alloys
08/17/1999CA2222979A1 Direct engagement mechanisms, or dem
08/12/1999WO1999040295A1 Lightweight valve
08/11/1999CN2332814Y Improved air valve
08/10/1999US5934648 Carbon fiber reinforced carbon composite valve for an internal combustion engine
08/10/1999US5934245 Two cycle engine having a mono-valve integrated with a fuel injector
08/10/1999US5934238 Engine valve assembly
08/10/1999US5934236 In an internal combustion engine
08/05/1999WO1999039015A1 Nickel based alloys for internal combustion engine valve seat inserts, and the like
08/05/1999WO1999038644A1 Gas exchange valve with a hollow space
08/05/1999DE19804140A1 Four-stroke internal combustion engine with stratified charge chamber
08/05/1999DE19804053A1 Leichtbauventil Lightweight valve
08/05/1999DE19803294A1 Einen Hohlraum aufweisendes Gaswechselventil A cavity exhibiting gas exchange valve
08/03/1999CA2183306C Internal combustion engine
07/1999
07/15/1999WO1999035391A1 Valve arrangement for combustion engine with exhaust gas recirculation
07/14/1999EP0928887A2 In-cylinder direct-injection spark-ignition engine
07/13/1999US5922330 Dispersion of cerium iv oxide and/or a hydrated oxide, having ph of greater than 5 and conductivity of atmost 2ms/cm and being formed of cerium nitrate starating product
07/13/1999US5921208 For controlling flow of fuel mixture/air from carburetor to crankcase
07/07/1999EP0927816A2 Method of making spray-formed inserts
07/01/1999WO1999032779A1 Cylinder head for internal combustion engine
07/01/1999WO1999032208A1 Method for sealing and/or joining an end of a ceramic filter
06/1999
06/30/1999CN1221473A Exhaust valve for internal combustion engine
06/30/1999CN1221472A Exhaust valve for internal combustion engine
06/29/1999US5915740 For use in an internal combustion engine
06/16/1999EP0922848A2 Intake conduit for an internal combustion engine
06/16/1999CN2324288Y Camshafts antifleeing mechanism
06/10/1999DE19754138A1 Lift valve of internal combustion engine, especially inlet valve
06/02/1999CN1218538A Movable wall member in form of exhaust valve spindle or piston is IC engine
06/01/1999CA2002878C Valve for internal combustion engines
05/1999
05/27/1999WO1999025969A1 Two cycle engine having a mono-valve integrated with a fuel injector
05/27/1999WO1999025889A1 VALVE SEAT MADE OF Fe-BASE SINTERED ALLOY EXCELLENT IN WEAR RESISTANCE
05/19/1999EP0916815A2 Apparatus and a method for detecting the valve timing of electromagnetic engine valves
05/19/1999EP0916016A1 An outlet valve for combustion engines and a production method therefor
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