Method for the production of hollow chamber valves

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11260448
APP PUB NO 20200156144A1
SERIAL NO

16625292

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Abstract

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Disclosed is a method for the production of a valve body of a hollow chamber valve, said method comprising: providing a bowl-shaped semi-finished product having an annular wall, which surrounds a hollow chamber, and a bottom portion, followed by a lengthening of the wall and a final reducing of an outer diameter of the annular wall in order to obtain a predetermined valve shaft outside diameter of a valve that is to be produced. Further disclosed is a hollow chamber valve produced by means of said method.

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Patent Owner(s)

Patent OwnerAddress
FEDERAL-MOGUL VALVETRAIN GMBH30890 BARSINGHAUSEN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bayard, Guido Dortmund, DE 17 13
Heinek, Andreas Bannewitz, DE 5 7
Matthias, Thorsten Hannover, DE 13 10
Wolking, Antonius Barsinghausen, DE 17 13

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