PRESSURE EQUALISATION DEVICE - KNORR BREMSE RAIL SYS UK LTD

Title:

PRESSURE EQUALISATION DEVICE

Document Type and Number:

WIPO Patent Application WO2004099749

Kind Code:

A8

Abstract:

A pressure equalisation device adapted to be operatively connected to an enclosure, the device including an air passage which, when the device is so connected to the enclosure, provides a fluid communication between the interior of the enclosure and atmosphere, the air passage containing a barrier wall comprising an air permeable membrane forming a micro-particulate filter.

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Inventors:

THOMAS ALAN (GB)
GRADWELL COLIN (GB)
HEMMINGS MARK (GB)

Application Number:

PCT/GB2004/002015

Publication Date:

November 23, 2006

Filing Date:

May 10, 2004

Export Citation:

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Assignee:

KNORR BREMSE RAIL SYS UK LTD (GB)
THOMAS ALAN (GB)
GRADWELL COLIN (GB)
HEMMINGS MARK (GB)

International Classes:

F16K15/14; G01L19/06; G01L19/14; H05K5/06

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