Patent ID: 8746245
Filing Date: 2014-06-10
Classification: A61M,A62B

Abstract:
1. A gas mask and breathing equipment comprising: a circuit for breathing gas; a heat exchanger connected to said circuit, said heat exchanger being cooled by an evaporating agent and said heat exchanger including a first duct for the breathing gas and a second duct, said first duct of said heat exchanger being thermally and mechanically coupled with the second duct of the heat exchanger via a heat exchange surface; an evaporating agent container with evaporating agent; a spraying element configured to directly apply said evaporating agent across a surface defining at least a portion of said second duct; a gas delivery means to send a gas volume flow through said second duct of said heat exchanger, said first duct being located on an incoming flow side of a user of the gas mask and breathing equipment.