<p>A respirator has a shell that defines a breathable air zone for a user wearing the respirator. An air flow control system for the respirator has an air delivery conduit within the shell of the respirator, a valve member moveable relative to the air delivery conduit and within the shell to vary the amount of air flow through the air delivery conduit, and a valve actuator outside of the shell of the respirator. The valve actuator is manipulatable by a user of the respirator while wearing the respirator to control movement of the valve member.</p>
申请公布号
EP2129443(A1)
申请公布日期
2009.12.09
申请号
EP20080732637
申请日期
2008.03.21
申请人
3M INNOVATIVE PROPERTIES COMPANY
发明人
WALKER, GARRY, J.;MURPHY, ANDREW;CURRAN, DESMOND, T.;PARKIN, DEREK, A.;INSLEY, THOMAS, I.;FERNANDES, MARK, A., J.