Check valve for ventilation or outlet openings of compressed air apparatuses in vehicles

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9909675
APP PUB NO 20150369383A1
SERIAL NO

14763130

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A ventilation or check valve for ventilation or outlet openings of compressed air apparatuses of vehicles, includes at least one diaphragm disk which is made from flexible material, is held with a central region in a bore of a valve housing and is prestressed with a radially outer region against a valve seat on the valve housing, to lift up from the valve seat in a pressure-induced manner in the case of a pressure gradient between an inlet space and an outlet space or atmosphere and to open a flow cross section between the inlet space and the outlet space or atmosphere, in which, as viewed in the circumferential direction of the diaphragm disk, a plurality of hold-downs which are arranged at a circumferential spacing from one another and hold down the radially outer region of the diaphragm disk locally against the valve seat are provided on the valve housing.

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Patent Owner(s)

Patent OwnerAddress
KNORR-BREMSE SYSTEME FUER NUTZFAHRZEUGE GMBHMUNICH

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bemetz, Thomas Munich, DE 2 1
Fojtyik, Gabor Szigetszentmiklos, HU 1 1
Grebe, Jan Munich, DE 15 30
Menyhart, Laszlo Gyal, HU 1 1

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