Patent ID: 7975729
Filing Date: 2011-07-12
Classification: A62B,B63C

Abstract:
1. A method of supplying air to a portable breathing apparatus in a structure, said structure including an air supply system having a main control panel with an air supply inlet and at least two dedicated air delivery lines extending from said panel to particular air fill ports in said structure, comprising: connecting an external source of high pressure air to said air supply inlet of said system; selectively controlling the source of high pressure air to a selected one of said at least two air delivery lines via said control panel; connecting an air breathing apparatus fill control unit to one of said air fill ports corresponding to said selected air delivery line; connecting a component of a portable air breathing apparatus to said control unit; and supplying air from said source of high pressure air through said air inlet, through said selected air delivery line, through said control unit, to said component.