Patent number: 7892306
Multi-use personal ventilation/filtration system
Original Assignee: Propulsive Wing, LLC
Field of technology: Medical, Tools
Patent granted on: Tue, 22 Feb 2011
Abstract
A personal ventilation system uses a cross-flow fan and one or more filters, where the filter preferably has a cylindrical or elongated elliptical shape that at least partially surrounds the rotor of the cross-flow fan. The filters preferably remove particles, undesired gases, and micro-organisms.