Lightweight valve

United States of America Patent

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Mar 12, 2002
Grant Date
N/A
app pub date
Aug 1, 2000
filing date
Feb 3, 1998

priority date (Note)
Expired

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Abstract

The invention relates to a hollow-stem valve for an internal combustion engine. The valve has a ratio of wall thickness to stem diameter of less than 1:3. The aim of the invention is to minimize the deformation of the valve head. To this end, the valve disk rests directly against the stem.

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Patent Owner(s)

Patent Owner	Address
MAHLE VENTILTRIEB GMBH	STUTTGART GERMANY

International Classification(s)

F02N:STARTING OF COMBUSTION ENGINES

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Abele, Marcus	Marxzell-Burbach, DE	9	47
Glas, Thomas	Rheingelden, DE	7	10
Krepulat, Walter	Stuttgart, DE	6	10
Lechner, Martin	Stuttgart, DE	48	345
Steinmetz, Christoph	Ludwigsburg, DE	25	50
Sticher, Frank	Bad Homburg, DE	1	8
Von, Kanel Andreas	Waiblingen, DE	1	8

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Lightweight valve

Number of patents in Portfolio can not be more than 2000

United States of America Patent

09601497

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Patent Longevity Expired	Forward Citations

PATENT NO	6354258
SERIAL NO	09601497
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09601497

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