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WO/2005/049980A1 |
The invention relates to a lightweight valve (1) for internal combustion engines, said valve comprising a valve rod (3), a hollow valve cone (7), and a valve disk (9) closing the valve cone (7). The valve rod (3) is provided with a cavit...
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WO/2005/047660A1 |
Disclosed is an internal combustion engine component (1) comprising at least one area (4) that is subjected to a greater thermal load than another area (5) during operation of the internal combustion engine. The area (4) that is subjecte...
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WO/2005/040563A1 |
The invention relates to an air compression internal combustion engine comprising at least one cylinder, one combustion chamber which is embodied in said cylinder and limited on the longitudinal ends thereof by a piston and a cylinder he...
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WO/2005/038065A1 |
[PROBLEMS] To provide a valve sheet made of an Fe-Al-C sintered alloy which exhibits excellent resistance to oxidation at a high temperature and high strength. [MEANS FOR SOLVING PROBLEMS] A valve sheet made of an Fe-Al-C sintered alloy ...
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WO/2005/038200A1 |
A valve guide structure capable of suppressing the deterioration of a valve guide even when a radial stress is applied to the upper part of the shaft part of a valve and restricting the moving direction of the valve (1) by supporting the...
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WO/2005/031126A1 |
A valve seat for an engine capable of solving a problem with a conventional one wherein since an engine fuel formed mainly of alcohol may contain a rather large quantity of water as compared with conventional gasoline and light oil, ther...
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WO/2005/031127A1 |
The invention relates to a valve guide (1) for internal combustion engines, said valve guide being produced by powder metallurgy and having a uniform pore distribution. According to the invention, the body (5) is at least partially infil...
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WO/2005/031125A1 |
[PROBLEMS] To provide a valve sheet to be fitted on an assembly support part disposed at an intake vent of aluminum alloy cylinder head, which valve sheet inhibits galvanic corrosion. [MEANS FOR SOLVING PROBLEMS] There is provided iron b...
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WO/2005/028817A1 |
The Engine Head Valve Re-assembly Device consists of a base (1), a guide (2), a holder (3), a presser (4), a height-adjusting bolt (5), a handle (6), a fixing bolt (7), an electromagnetic armature (8) and a spring (9). Detachably fixed t...
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WO/2005/028818A1 |
The invention relates to a multipart composite valve for an internal combustion engine, in which a valve shaft (2) and a valve plate (4) are embodied separately while being joined together in an overlapping area (6). The invention is cha...
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WO/2005/028819A1 |
A suction port (1) of an internal combustion engine, wherein the centerline (C1) of the suction port (1) is tilted relative to the centerline (C2) of a combustion chamber (2), and an annular seat ring (5) is disposed in the area of the s...
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WO/2005/000517A1 |
A laser cladding apparatus for applying laser cladding process on a valve seat portion of a cylinder head has cylinder head-holding means (1) for holding a cylinder head (H) in an inclined manner such that the axis of a valve seat is in ...
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WO/2004/109067A1 |
The invention relates to a valve stem seal for internal combustion engines, comprising a dynamic sealing part applied to a valve stem, and a static sealing part which consists of elastomer materials and is applied to the valve stem guide...
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WO/2004/104380A1 |
The invention relates to a valve drive for a gas exchange valve (11) in an engine or a machine, said drive comprising a magnetic armature (12) that extends in a longitudinally displaceable manner inside a stator (1) provided with a curre...
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WO/2004/083626A1 |
An intake and exhaust system for an internal combustion engine having a unitary engine block. The system comprises a power cylinder, an intake lifter cylinder and an exhaust lifter cylinder that are formed integral with the engine block....
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WO/2004/083614A1 |
A four-stroke reciprocating piston internal combustion engine with an intake valve an exhaust valve and a valve drive assembly (18) driven by the crankshaft (4) for actuating the intake valve (8) and the exhaust valve (10). A mixture-pre...
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WO/2004/083610A1 |
The invention relates to a valve spring plate (10) for supporting the spring resistance of locking springs acting upon gas exchange valves in valve regulation of internal combustion engines. Said valve spring plate comprises a reinforcem...
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WO/2004/079237A2 |
The invention refers to mechanical engineering and can be used in piston internal combustion engines. The valve for an internal combustion engine, the method of its manufacturing and the heat-resisting titanium alloy containing the follo...
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WO/2004/059132A1 |
A sealing apparatus of rotary valve-flap type valve mechanism for an internal combustion engine is disclosed , wherein a rotary valve-flap is provided between an internal housing and an external housing and a first sealing structure is p...
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WO/2004/048756A1 |
The invention relates to a valve seat (5) for a cylinder head (1) of an internal combustion engine, comprising an additional material that is fused with the base material of the cylinder head. The additional material comprises at least t...
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WO/2004/042318A1 |
The invention relates to a device for measuring the lift of poppet valves, in particular for poppet valves built into a internal combustion engines, by means of an inductive displacement sensor, comprising a fixed coil and a metal sleeve...
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WO/2004/033146A1 |
The invention relates to an assembly device (1), used for assembling a valve key and a valve head. Said device comprises a retaining device (4) at least for a valve head that is to be mounted on the valve stem, in addition to an expansio...
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WO/2004/022945A1 |
A reciprocating piston engine contains at least one cylinder (2), inside of which a piston works while forming a working chamber (6). Said piston comprises a skirt that, while sealing, is guided in a linearly displaceable manner through ...
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WO/2004/020801A1 |
Fourstroke engine with cylinder head going down the cylinder for adjustment of compression (4). Cylinder head has only adjusting clevis as movable parts (4). The todays known valve tecnic is being removed and replaced with a membran valv...
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WO/2004/018853A1 |
In a four-stroke internal combustion engine arrangement including a linearly reciprocating piston (4) in a cylinder having a cylinder wall, with valve-controlled intake and exhaust openings (7, 8) in the cylinder (1) for a fuel mixture a...
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WO/2003/106819A1 |
An actuator for actuating a linearly translatable member, such as an engine valve (12) includes a unit trigger actuator, the unit trigger actuator having a trigger being electrically actuatable, a hydraulic cartridge (42) having a select...
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WO/2003/102382A1 |
An internal combustion engine having one or more power pistons (17) reciprocating in one or more cylinders (13) has at least one fuel inlet valve (14) of the piston type at each cylinder. An inlet valve sleeve (32) has an open end at the...
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WO/2003/100223A1 |
The invention relates to a method for producing a built hollow shank valve (1). According to the invention, the hollow shank (2) has an axially perpendicular shoulder (7) that limits the insertion depth of the shank into a center opening...
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WO/2003/095804A1 |
A spring seat comprising an outer sprint seat (10k) and a stepped inner spring seat (10j) located at a lower position, wherein a valve spring comprises an outer spring (37) and an inner spring (36) longer than the outer spring (37) arran...
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WO/2003/095877A1 |
The reed valve assembly (40) of the present invention includes a reed cage (42), a retainer (44), and reed petals (46). The retainer (44) is independently interlockable with the reed cage (42). As defined herein, independently interlocka...
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WO/2003/089768A1 |
A moveable valve sealing body, especially a valve sealing body of a gas exchange valve of an internal combustion engine, exposed to hot gases and comprising a sealing area which can be applied to a valve seat ring, enabling good dissipat...
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WO/2003/083270A1 |
The invention relates to a reciprocating engine and a working fluid inlet system therefore. The engine includes at least one cylinder (30) with a reciprocating piston (32) therein and a variable volume expansion chamber capable of receiv...
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WO/2003/074843A1 |
The invention relates to a lightweight valve that consists of a valve base, the latter comprising a valve stem and a hollow valve cone, and a valve head cover, whereby the valve base is linked with the valve head cover by means of a mate...
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WO2002086365A9 |
A valve position indicator for a valve stem (10) has an adapter (50) with a closed-valve cam (100) on one side and an open-valve cam system (200) on the other. Each system (100, 200) has a holder (102, 202) movable between a pinnacle (72...
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WO/2003/069147A1 |
A cylinder head having a plurality of intake ports communicating with the combustion chamber of an internal combustion engine each fixed with a seat ring abutting against an intake valve, wherein intake ports fixed with an eccentric seat...
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WO/2003/064822A1 |
The invention is related to an arrangement that is designed to govern inlet and outlet gas mixtures and is used mainly in four stroke combustion engines. Already existing designees is of a nature that they limit the performance of the fo...
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WO/2003/062622A1 |
The invention relates to a method for providing a component of a large machine, especially a piston head or an outlet valve head of a large two-stroke diesel engine, with a protective coating (4) which is applied to the corresponding sur...
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WO/2003/062614A1 |
An engine has a tumble flow producing means (air inlet port (13)) for producing a tumble flow (T) consisting of mixed gas in a cylinder. It has a squish flow producing means (the slope surface (25) of a piston top (7a), a recess (26), an...
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WO/2003/060173A1 |
An iron base sintered alloy valve guide for an internal combustion engine, characterized in that it has a chemical composition, in mass %: Cu: 8 to 20 %, C: 0.8 to 1.5 %, at least one of MnS, WS2 and MoS2: 0.5 to 2 %, and balance: Fe, ha...
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WO/2003/056142A1 |
The invention relates to a gas exchange valve of an internal combustion engine, comprising a hollow valve head (2) and a hollow valve shaft (4) which fully penetrates the cavity (5) of said valve head (2), in the axial direction of the s...
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WO/2003/050395A1 |
The invention relates to a multi-piece valve (1) for internal combustion piston engines, wherein the valve head (3) is connected to the valve stem (2) in such a way that it is traction and pressure resistant. The valve head (3) has an an...
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WO/2003/042508A1 |
The invention relates to a method for the production of a valve seat (5) for a cylinder head of an internal combustion engine. According to said method, an additional material is melted with the cylinder head by applying energy in the si...
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WO/2003/023196A1 |
The invention relates to an actuator for actuating a non-camshaft driven lift valve (12) of an internal combustion engine (10), which comprises a tappet (20) coupled to the lift valve (12) and driven by oscillation. On the outer peripher...
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WO/2003/021085A1 |
A valve stem seal assembly (10) for an internal combustion engine includes an elastomer seal body (14) and a metal retainer (36) adapted to secure the seal body in place over a valve guide (12). The cylindrical seal body (14) has an aper...
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WO/2003/018967A1 |
The invention relates to a valve mechanism comprising a variable cross-section of a valve opening. Said valve mechanism is arranged on a flow opening of an internal combustion engine and comprises a gas exchange valve which is actuated b...
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WO/2003/018969A1 |
The invention relates to a simple and reliable connection which can be produced in an economical manner, between a shaft of a gas exchange valve and an actuator. Said connection is detachable and can thus be repeatedly made or separated....
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WO/2003/018965A1 |
The invention relates to a valve mechanism with a variable valve opening diameter, whereby the valve mechanism is arranged at a passage opening of an internal combustion engine. Said mechanism comprises a gas exchange valve, to which the...
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WO/2003/018966A1 |
The invention relates to a valve mechanism with a variable valve opening cross-section. The valve mechanism is arranged on the outlet of the internal combustion engine and comprises a gas exchange valve is impinged upon by the force of a...
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WO/2003/012267A1 |
The invention relates to a cylinder head (1) for an internal combustion engine with at least one inlet channel (3), which generates a swirling flow (S) in the combustion chamber (2), preferably curved in the direction of the swirling flo...
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WO/2003/010455A1 |
A reed valve (90) includes a generally wedge shaped reed cage (12) or block defining a fluid flow passage (15a) and having substantially coplanar discharge ports. A reed is mounted at a common hinge end to the reed cage and has a plurali...
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