Scanning for ideas: Filter vent equalizes pressure inside and out

Nov. 20, 2012
Filter vent equalizes pressure inside and out

Electronic enclosures are often sealed against water and contaminants, but this can lead to pressure differentials between the interior and exterior that cause problems. For example, lower pressure inside the enclosure can pull water and air in, damage the seals, and wreak havoc on the electronics. To prevent this problem, engineers at W.L. Gore & Associates Inc., Elton, Md., developed a protective vent, the PolyVent D3, that lets air pass in and out, but keeps water, dust, insects, and debris from getting in.

The vent has a press-fit width of 2.5 mm and gas-flow capacity of 7 ml/min. The housing is polypropylene and contains an ePTFE membrane. This membrane lets gases pass through while keeping out contaminants. The vent works in temperatures from –4 to 212°F. The vent takes up no space inside enclosures and its low-profile exterior portion reduces the risk of damage from technicians who service the enclosure.

© 2012 Penton Media, Inc.

Sponsored Recommendations

How BASF turns data into savings

May 7, 2024
BASF continuously monitors the health of 63 substation assets — with Schneider’s Service Bureau and EcoStruxure™ Asset Advisor. ►Learn More: https://www.schn...

Agile design thinking: A key to operation-level digital transformation acceleration

May 7, 2024
Digital transformation, aided by agile design thinking, can reduce obstacles to change. Learn about 3 steps that can guide success.

Can new digital medium voltage circuit breakers help facilities reduce their carbon footprint?

May 7, 2024
Find out how facility managers can easily monitor energy usage to create a sustainable, decarbonized environment using digital MV circuit breakers.

The Digital Thread: End-to-End Data-Driven Manufacturing

May 1, 2024
Creating a Digital Thread by harnessing end-to-end manufacturing data is providing unprecedented opportunities to create efficiencies in the world of manufacturing.

Voice your opinion!

To join the conversation, and become an exclusive member of Machine Design, create an account today!