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2023
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Invention
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Friction-weld hollow-stem valve, components thereof, and tool for its manufacture. The present in... |
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Invention
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Valve blank and valve base cover, and internally cooled hollow-stem valve. The present invention ... |
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Invention
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Valve with sealing surface and valve seat ring with valve seat surface having a hydrophilic struc... |
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2022
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Invention
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Valve rotating device and composite component therefor. The invention relates to a lightweight co... |
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Invention
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Armored poppet valve and method for the production thereof.
A method for the production of a pop... |
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Invention
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Armored poppet valve and method for the production thereof. A method for producing a poppet valve... |
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2021
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Invention
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Valve stem seal comprising a valve rotating device. A valve rotating device with valve stem seal ... |
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Invention
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Valve stem seal comprising a valve rotating device. The invention relates to a valve rotating dev... |
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Invention
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Cover body for valve rotating device, corresponding valve rotating device and method for producin... |
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2020
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Invention
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Method and device for manufacturing hollow, internally cooled valves. A method for shaping a holl... |
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Invention
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Method and device for manufacturing hollow, internally cooled valves. The present invention relat... |
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Invention
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Method for producing a hollow valve for internal combustion engines. A method for producing a val... |
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Invention
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Method for producing a hollow valve for internal combustion engines. The invention relates to a m... |
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2019
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Invention
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Internally cooled valve having a coolant conducting system. The present invention relates to an i... |
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Invention
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Method and devices for embossing surface structures into an inside of a pipe or a valve shaft of ... |
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Invention
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Method for producing a welded cavity valve. A method for producing a cavity valve is provided. Th... |
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Invention
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Method for producing a welded cavity valve. The invention relates to a method for producing a cav... |
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Invention
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Method for producing a hollow valve with an optimised interior stem geometry for internal combust... |
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Invention
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Method for producing a hollow valve having optimised shaft inner geometry for combustion engines,... |
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Invention
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Poppet valve having improved sliding surface. The invention relates to a poppet valve (2) which h... |
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Invention
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Method for producing a hollow valve for internal combustion engines. A production method for a va... |
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Invention
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Method for producing a hollow valve for internal combustion engines. Disclosed is a production me... |
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Invention
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Method for producing a magnetic core for an electromagnetic actuator. A method for producing a ma... |
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Invention
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Shaped magnetic core for an electromagnetic actuator, and method for producing same. Method for p... |
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2018
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Invention
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Process and device for manufacturing hollow, internally cooled valves. A matrix for shaping a val... |
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Invention
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Process and device for manufacturing hollow, internally cooled valves. Disclosed is a matrix for ... |
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Invention
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Internally cooled valve having a valve bottom, and method for the production thereof. A method fo... |
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Invention
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Internally cooled valve having a valve bottom, and method for the production thereof. The present... |
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Invention
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Internally cooled valve for an internal combustion engine. An internally cooled valve (2) include... |
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Invention
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Internally cooled valve for an internal combustion engine. The invention relates to an internally... |
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Invention
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Valve rotating device. A valve rotating device has an annular main body, an annular cover body, a... |
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Invention
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Valve rotating device. The invention relates to a valve rotating device having an annular main bo... |
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Invention
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Internally cooled valve with inertial pump. A internally cooled poppet valve (2) with inertial pu... |
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Invention
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Internally cooled valve with inertial pump. The present invention relates to an internally cooled... |
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Invention
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Method for the production of hollow chamber valves. Disclosed is a method for the production of a... |
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Invention
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Cavity valve with optimized shaft interior geometry, and method for producing same. A hollow valv... |
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Invention
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Cavity valve with optimized shaft interior geometry, and method for producing same. The invention... |
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Invention
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Process for manufacturnig an internally cooled valve having a cooling structure, and valve manufa... |
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Invention
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Process for manufacturing an internally cooled valve having a cooling structure, and valve manufa... |
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2017
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Invention
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Method for cross-wedge rolling poppet valves. The invention relates to a method for producing pop... |
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Invention
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Poppet valve and method of its manufacture. A method for manufacturing a poppet valve or mushroom... |
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Invention
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Valve for internal combustion engines having a coating. The present invention for coating a valve... |
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Invention
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Internally cooled poppet valve for internal combustion engine. A poppet valve (2) with a valve bo... |
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Invention
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Inside-cooled disc valve and a semi-finished product and method for its production. A method for ... |
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2016
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Invention
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Cooled valve for internal combustion engines having a load relief groove.
The invention relates ... |
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2005
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G/S
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Engine parts. |
