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Patent Searching and Data


Matches 1 - 50 out of 8,526

Document Document Title
WO/2017/177102A1
A valve train assembly includes a first exhaust valve, a second exhaust valve, and a valve bridge including a main body and a lever rotatably coupled to the main body, the main body configured to engage the first exhaust valve, and the l...  
WO/2017/176421A1
A method for making a valve stem seal (10), comprising the steps of providing a metal retainer (12) having a top portion (16) and a body portion (18). In a first state, a first section (20) of the body portion (18) is cylindrical and a s...  
WO/2017/163053A1
An article (2) formed by additive manufacture includes a primary structure (6) which requires mechanical support during layer deposition (e.g. due to an overhang) which is provided via a secondary structure (16). The secondary structure ...  
WO/2017/153886A1
A rotary valvetrain system, with a curved valve control stem, for opening and closing valves in a four-stroke internal combustion engine, allows a decrease in the dissipations and load losses, with the maximum system compactness, and it ...  
WO/2017/146563A1
The invention relates to a urinal trap comprising an anti-lock valve in the form of a pendulum, which is provided with three easy-to-assemble parts. The cylindrical container is assembled to the upper base by means of a screw thread in w...  
WO/2017/130376A1
In this method for filling with metallic sodium, a shaft-side hollow section of an engine valve is filled with a fixed amount of metallic sodium having a uniform structure. Molten metallic sodium is injected into a cylinder (57) having a...  
WO/2017/106437A1
A valve stem seal assembly (10) has an elastomeric seal (12) with first and second radially inwardly directed sealing lips (14, 16) that are in intimate sealing contact with a valve stem (18). The assembly also has a metal seal retainer ...  
WO/2017/099045A1
Provided is a valve stem seal in which the sealing performance is dramatically improved while the workability encountered when fitting the valve stem seal onto a valve stem guide is improved. This invention is characterized in that: the ...  
WO/2017/095836A1
A valve for use in an internal combustion engine (100) is provided. The valve includes a valve head. The valve head (138) includes a combustion face (140) configured to face a combustion chamber (110) of the internal combustion engine (1...  
WO/2017/090330A1
A valve seat ring according to one embodiment of the present invention is a cooling-type valve seat ring attached to a cylinder head, wherein the valve seat ring is provided with a cooling ring part connected to a cooling water channel o...  
WO/2017/079090A1
An intake valve for a combustion engine is described. The intake valve has a head portion that is designed to improve the flow of air-fuel mixture around the head portion and into the combustion chamber. The head portion has a beveled or...  
WO/2017/072826A1
Provided is an assembly device that places a retainer on a valve spring disposed so as to surround the upper end of a valve stem. This assembly device is equipped with an assembly head and a movement unit that moves the assembly head bet...  
WO/2017/072825A1
Provided is an assembly device that assembles a retainer by engaging a pair of cotter pieces with a valve stem. This assembly device is equipped with an assembly head that engages the pair of cotter pieces, which are in a separated state...  
WO/2017/071840A1
The invention relates to a method and a device for producing an internally cooled inlet or outlet valve (4) for internal combustion engines, as well as the valve produced using the method or the device. The method comprises providing a w...  
WO/2017/072885A1
Provided are a method and a device for supplying inert gas into a poppet valve intermediate, in which no matter the size of the poppet valve intermediate, the intermediate can be accurately filled with inert gas without wasting the gas. ...  
WO/2017/057464A1
In order to provide a press-fit-type sintered valve seat that is capable of being used in a high-efficiency engine, said seat having exceptional valve cooling performance and exceptional resistance to deformation and wear, first hard par...  
WO/2017/059066A1
A system for actuating engine valve comprises a main valve actuation motion source configured to supply main valve actuation motions to the at least one engine valve via a main motion load path, and an auxiliary valve actuation motion so...  
WO/2017/057258A1
Provided are a valve stem seal and a sealing structure capable of inhibiting the detachment of part of a fitting portion that forms the valve stem seal. A valve stem seal 100 includes a reinforcement ring 110 having a cylindrical body po...  
WO/2017/050453A1
The invention relates to a cooled inlet or outlet valve (4) for internal combustion engines, comprising a valve disc (6), a valve stem (8), and a hollow space (10) inside the valve stem (8) and the valve disc (6). A coolant (12) is arran...  
WO/2017/050468A1
The present invention relates to an internally cooled intake or exhaust valve (4) for internal combustion engines, having a valve disk (6), a valve stem (8) and a cavity (10) within the valve stem (8) and the valve disk (6). A coolant (1...  
WO/2017/048889A1
Reciprocating apparatuses such as a displacer in a Stirling engine or Vuilleumier (thermally-driven) heat pump and such as a poppet valve in an internal combustion engine have been known to be built with a mechatronic actuator. The recip...  
WO/2017/041865A1
The invention relates to a valve arrangement for supplying air to an internal combustion engine. The valve arrangement comprises a first valve and a second valve arranged within the first valve. The invention also relates to a valve guid...  
WO/2017/041835A1
The invention relates to a valve arrangement for supplying air to an internal combustion engine. The valve arrangement comprises a first valve and a second valve arranged within the first valve.  
WO/2017/034619A1
A valve stem seal assembly has a valve stem seal and a top sealing valve seal retainer that extends down the outside of the valve stem seal from its top, where a plurality of heat dissipating features are unitarily formed about the outsi...  
WO/2017/030060A1
A valve stem seal is configured so that the valve stem seal can be prevented from being dislodged due to an increase in back pressure, can be easily mounted to a valve guide, and will require a reduced mounting space. A valve stem seal (...  
WO/2017/021635A1
The invention relates to a cylinder head (10) for an internal combustion engine (1), including a deck (40) and valve seats (50) for positioning opposite a cylinder block (2); gas-exchanging conduits (60) extending from the valve seats (5...  
WO/2017/022505A1
A sliding member is provided with a base material and a film layer formed on the base material. The film layer is obtained from a particle aggregate comprising multiple first particles obtained from a precipitation hardening copper alloy...  
WO/2016/207114A1
The present invention relates to a reciprocating internal combustion engine with a high fuel efficiency and a low level of emissions. This is achieved by structural measures that improve the combustion process, including but not limited ...  
WO/2016/204236A1
The present invention comprises: a crank angle sensor 4 for outputting crank angle signals for which a plurality of reference positions are set in advance in accordance with the rotation of a crankshaft 2; a cam sensor 5 for outputting a...  
WO/2016/202525A1
The invention relates to a valve guide for internal combustion engines, which is produced by produced by powder metallurgical processes, comprising a central section, an end piece facing the cam and an end piece facing the duct. The cent...  
WO/2016/198205A1
The invention relates to a method for coating a valve (1) of an internal combustion engine (2), in particular a place on a valve stem (5) of the valve (1), in which - the valve (1) is immersed, at least at the place that is to be coated,...  
WO/2016/185521A1
The present invention makes it possible to suppress variations in the weight of a high viscosity substance at each extrusion of the high viscosity substance and each cut-off to the extent possible. Metallic sodium (5) filled into an extr...  
WO/2016/177419A1
The present disclosure relates to a valve seat insert (14) for an internal combustion engine (10). A first portion (16) of the valve seat insert (14) being adapted to contact a cylinder head (12) and a second portion (18) of the valve se...  
WO/2016/174501A1
The present invention relates to a cylinder-piston system, comprising at least one cylinder (102), at least one piston (201) configured for a reciprocating linear motion inside the cylinder (102), and at least one rotating shaft system (...  
WO/2016/174912A1
The present invention is provided with: an umbrella part metallic sodium insertion device (130) for inserting rod-shaped metallic sodium (Na) into a hollow part (H) of a hollow valve (V); a melting device (140) for melting the metallic s...  
WO/2016/148806A1
A valve (100) for use in an internal combustion engine (200) is disclosed. The valve (100) includes a stem (104) friction welded to a head portion (116). The head portion (116) is cast from a single crystal metal (306) using a casting pr...  
WO/2016/147428A1
[Problem] To provide an internal combustion engine component having a combination of good heat insulating properties and higher durability than the prior art. [Solution] The present invention relates to an internal combustion engine comp...  
WO/2016/146159A1
Steam engine comprising: a cylinder (10), a steam chamber (44) to be supplied with live steam, the steam, chamber (44) having an opening (43) for introducing live steam into the cylinder (10) and a valve seat (59), a valve member (52) ur...  
WO/2016/146311A1
The invention relates to a valve (2) of an internal combustion engine (1), in particular an inlet valve or an outlet valve, comprising a valve disc (3) that transitions into a valve shaft (5) via a valve throat (4). According to the inve...  
WO/2016/124923A1
A valve stem sealing unit (65) for forming a seal round a valve stem (41, 43) of a poppet valve (19, 21) in an engine (1) having a body (5, 7, 13) and operated by a working fluid, the valve stem sealing unit (65) including: a housing (67...  
WO/2016/121482A1
Tumble flow in a fuel chamber is strengthened without complicating structure. An intake port structure for an engine has an intake port (5) of an engine which is continuous with the upstream side of the inner surface of an annular seat r...  
WO/2016/111022A1
This engine member with a ceramic coating layer is obtained by forming a ceramic coating layer on a surface that faces the engine combustion chamber, said ceramic coating layer being formed from a ceramic starting material. This engine m...  
WO/2016/111024A1
An engine valve with a ceramic coating layer obtained by forming a ceramic coating layer of a ceramic starting material on the back surface of a valve head, characterized in that: the ceramic coating layer has a thickness of 220-1,000 μ...  
WO/2016/091808A1
The invention relates to a method for producing at least one hollow valve (1) for gas exchange, in particular for internal combustion engines. It is essential to the invention that a) a bore (4) is introduced into a valve shaft (2) and i...  
WO/2016/075041A3
The invention relates to a low-pressure automatic control system for a fuel-delivery device of a fuel-injection system. The low-pressure automatic control system is designed with: a delivery line (12) which forms a supply from a delivery...  
WO/2016/057481A1
A valve (100) for use in an internal combustion engine (200) is disclosed. The valve (100) includes a stem (102) connected to a fillet (103) disposed between the stem (102) and a seat face (104). A thermal spray technique, such as a high...  
WO/2016/045768A1
A valve seat insert (10A, 10B, 10C) for a cylinder head (104) of an internal combustion engine (100) comprises a ring-shaped body (20) defining a passage (22) for enabling a fluid to pass through the body (20) along an axial direction (Z...  
WO/2016/046451A1
Invention relates to a gas exchange valve assembly (12) for an internal combustion engine comprising a valve member including a head (20) and a stem part (22), and a guide member (24), in which the guide member is provided with a substan...  
WO/2016/035132A1
Provided are a method and a device for supplying metallic sodium to a hollow valve that can easily and quickly supply metallic sodium even to hollow portions of hollow valves with small diameter shafts without the surface thereof being o...  
WO/2016/030983A1
[Problem] To make the face surface of a poppet valve more uniform in rigidity and strength, the poppet valve being manufactured by forging. [Solution] Provided is a method for manufacturing a poppet valve 10 by forging, the poppet valve ...  

Matches 1 - 50 out of 8,526