Turbine ventilator with an auxiliary wind-powered fan
An air ventilating system for extracting air from the interior of building to the exterior: comprising a tubular frame having a bottom end, an upper end and a hollow passageway that the bottom end is mounted on root structure of a building forming an air duct thereof allowing air exchange in between...
| Main Authors: | , |
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| Format: | Patent |
| Published: |
2015
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| Subjects: | |
| Online Access: | http://eprints.uthm.edu.my/8670/ http://eprints.uthm.edu.my/8670/1/PatentGrantedTVAF.pdf |