Directional valve and breathing mask with a directional valve

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United States of America Patent

PATENT NO 9808657
SERIAL NO

13467516

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A directional valve includes a fixing lug (13), which is arranged eccentrically to a valve membrane (16) and is arranged at a valve housing (15). The dimensions of the fixing lug (13) are selected for fixing the valve membrane (16) relative to the sealing surface (2) of valve seat (1). The size of the eccentric offset (x) is in a range between 8% and 15% of the axis length (D) of the greatest longitudinal extension of valve membrane (16).

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Patent Owner(s)

  • DRÄGER SAFETY AG & CO. KGAA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Heyer, Harald Klein Wesenberg, DE 6 42
Leske, Dennis Eutin, DE 2 18
Pancur, Thomas Altenholz, DE 8 26
Rosert, Michael Timmendorfer Strand, DE 11 71

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