| 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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| 12/20/1994 | US5373867 Reed valve mechanism |
| 12/14/1994 | EP0628702A1 Improvements in and relating to valve seat inserts |
| 12/14/1994 | EP0628701A1 Sealing arrangement for internal combustion engine valve stem |
| 12/13/1994 | US5372103 Method of mounting a ceramic valve guide assembly |
| 12/08/1994 | WO1994027767A1 Valve seat insert |
| 12/08/1994 | DE4318424A1 Process for producing shaped articles from alloys based on titanium-aluminium |
| 12/07/1994 | EP0627547A1 Cylinder head for an internal combustion engine with controlled valve motion |
| 12/06/1994 | US5370364 Nickel-phosphorus-fine ceramic coating layer; abrasiion and fatigue resistance |
| 12/06/1994 | US5370092 Engine valve and method for producing the same |
| 12/06/1994 | US5370088 Two cycle engine |
| 12/01/1994 | DE4318051A1 Lip-sealing ring, especially a valve-stem seal |
| 11/29/1994 | CA1333261C Unitary molded plastic valve seal |
| 11/15/1994 | US5363814 Fuel injection type multiple cylinder engine unit |
| 11/01/1994 | US5360227 Skis and runners |
| 11/01/1994 | US5359972 Tumble control valve for intake port |
| 10/27/1994 | DE4313591A1 Internal combustion engine with integral piston cooling |
| 10/26/1994 | CN1094123A Ultra light engine valve |
| 10/25/1994 | US5357914 Vented valve mechanism for internal combustion engines |
| 10/25/1994 | US5357675 Cotter assembling the method and cotter assembling apparatus |
| 10/18/1994 | US5355572 Valve guide insert insertion tool |
| 10/12/1994 | EP0619419A1 Ultra light engine valve |
| 10/04/1994 | US5351660 Electrically activated dynamic valve for spark ignition engines |
| 09/22/1994 | DE4308805A1 Inlet port system for an internal combustion engine with at least two inlet valves per cylinder arranged in the cylinder head |
| 09/22/1994 | DE4308733A1 Cylinder head for an internal combustion engine |
| 09/15/1994 | WO1994020734A1 Bi-plastic self-locking valve spring retainer |
| 09/13/1994 | US5346136 Fuel injection valve |
| 09/13/1994 | US5345897 Gas-exchanging process for two-stroke, internal combustion engines |
| 09/06/1994 | US5343835 In an internal combustion engine |
| 09/01/1994 | WO1994019143A1 Method of making a two piece valve |
| 08/25/1994 | DE4304892A1 Diaphragm-controlled two-stroke engine with circular, elliptical or slotted hole diaphragm shape |
| 08/18/1994 | WO1994018437A1 Spring assist system for internal combustion engine valves |
| 08/17/1994 | EP0610848A2 Method of making dense sintered ceramic parts of silicon nitride having high mechanical strength |
| 08/12/1994 | CA2115408A1 Process for producing densely sintered ceramic components made of silicon nitride and having high mechanical strength |
| 08/03/1994 | EP0608431A1 Titanium alloy bar suitable for producing engine valve |
| 08/02/1994 | CA1331153C Metering valve stem seal |
| 07/28/1994 | DE4301632A1 Valve seat ring |
| 07/28/1994 | DE4301608A1 Support assembly for engine valve spring |
| 07/26/1994 | US5332348 Fastening devices |
| 07/21/1994 | WO1994016254A1 Improved multiple stage reed valves for use in internal combustion engines |
| 07/12/1994 | US5328527 Iron aluminum based engine intake valves and method of making thereof |
| 06/22/1994 | EP0602904A1 Iron aluminum based engine intake valve |
| 06/21/1994 | US5322039 Valve spring top collar |
| 06/21/1994 | CA1330310C Valve seal retainer |
| 06/16/1994 | DE4242398A1 Cooling device for intake and/or discharge device - has coolant channels in cylinder head and valve guide, and ring chambers around valve shaft |
| 06/07/1994 | US5318270 Valve with a crenellated seat |
| 05/24/1994 | US5313917 Self-aligning valve assembly |
| 05/19/1994 | DE4336920A1 Ventiltrieb mit niedriger Reibung Valve drive with low friction |
| 05/04/1994 | EP0595384A1 Polymer composite reed valve |
| 04/14/1994 | WO1994003721A3 Fuel injector surrounding intake valve stem |
| 04/14/1994 | DE4328904A1 IC engine with sectional cooling of valve seat rings - has cooling duct reducing ring on central section of valve seat ring free w.r.t. cylinder head |
| 04/13/1994 | EP0592179A1 Reconditioning engine parts |
| 04/12/1994 | US5301640 Engine valve |
| 04/07/1994 | DE4233602A1 Prodn. of sealed silicon nitride material - used to mfr. mouldings for IC engine components |
| 03/23/1994 | EP0588593A2 Engine with pre-chamber |
| 03/22/1994 | US5295462 Coin insert for the firing deck in an internal combustion engine |
| 03/22/1994 | US5295461 For use in an engine |
| 03/22/1994 | CA1327924C Fabricating internal combustion engine cylinder heads with close tolerance internal surfaces |
| 03/16/1994 | EP0586871A1 Valve drive for internal combustion engine |
| 03/15/1994 | US5293848 Spring retainer for a poppet valve and method of assembling |
| 03/08/1994 | US5291866 For an internal combustion engine |
| 03/08/1994 | CA1327494C Oil-sealing valve guide insert and method of manufacture |
| 03/03/1994 | WO1994004798A1 Gripper tool for engine valve disassembly/assembly |
| 03/03/1994 | DE4230809A1 Control for several, simultaneously actuatable valves in group - has yoke-shape transverse secured to valves or their stems, with single cam for valve group. |
| 02/22/1994 | US5288556 Machines; vehicles |
| 02/22/1994 | CA1327153C Valve spring retainer for valve operating mechanism for internal combustion engine |
| 02/17/1994 | WO1994003721A2 Fuel injector surrounding intake valve stem |
| 02/15/1994 | US5286311 For use in internal combustion engines |
| 02/08/1994 | US5284394 Ball and roller bearings and bearing components |
| 02/08/1994 | CA2010262C Heat resistant slide member for internal combustion engine |
| 02/03/1994 | WO1994002717A1 Valves and valve timing for internal combustion engine |
| 02/03/1994 | WO1994002656A1 Titanium alloy bar suitable for producing engine valve |
| 02/03/1994 | DE4225369A1 Gas-exchange system for two-stroke engine - uses pre-compressed combustion air to provide second rinsing cycle provided via inlet valve controlled by differential pressure |
| 01/25/1994 | US5280776 Engine having fuel preheater |
| 01/19/1994 | EP0579509A1 Method of producing sintered silicon nitrides |
| 01/04/1994 | US5275376 Spring retainer |
| 12/29/1993 | EP0576190A1 Chrome plated engine valve |
| 12/28/1993 | CA1325513C Method and device for accurately positioning and aligning a guide sleeve into a bore of a cylinder head |
| 12/21/1993 | US5271823 Method of making a trivalent chromium plated engine valve |
| 12/13/1993 | CA2096858A1 Seal assembly |
| 11/23/1993 | CA1324578C Aircraft exhaust valves |
| 11/11/1993 | DE4214839A1 Valve drive for IC engine - involves lift valve operated in opening direction by cam against force of pneumatic spring |
| 11/10/1993 | EP0568598A1 Valve with hard-facing. |
| 11/09/1993 | US5259860 Magnesium silicate matrix containing boron nitride or manganese sulfide |
| 11/03/1993 | EP0389589B1 A method and device for accurately positioning and aligning a guide sleeve into a bore of a cylinder head |
| 11/03/1993 | CN1078017A Soupape avec siege crenele |
| 11/02/1993 | US5257453 Process for making exhaust valves |
| 10/28/1993 | WO1993021437A1 Engine having valve stroke adjuster and fuel preheater |
| 10/27/1993 | CN1077777A 阀导向插件 Valve guide insert |
| 10/26/1993 | US5255929 Blade for ice skate |
| 10/26/1993 | US5255649 Intake air control system for the engine |
| 10/26/1993 | US5255640 Bi-plastic self-locking valve spring retainer |
| 10/20/1993 | EP0566364A1 Valve guide insert |
| 10/20/1993 | EP0566098A2 Heat resistant aluminum alloy powder, heat resistant aluminum alloy and heat and wear resistant aluminum alloy-based composite material |
| 10/20/1993 | EP0566059A1 Seal for a rod sliding against the action of elastic means, in particular an internal combustion engine valve stem |
| 10/19/1993 | US5253617 Reed valve assembly for an intake manifold and method of assembly |
| 10/14/1993 | CA2093677A1 Oil-starved valve assembly |
| 10/05/1993 | US5249557 Fuel injection system for two cycle engine |
| 10/05/1993 | US5249555 For lining and relining |
| 09/28/1993 | US5247912 Reed valve mechanism and method for constructing same |
| 09/21/1993 | US5245957 Spring assist system for internal combustion engine valves |