| 摘要 |
<p>A method and system for breathing gas heat exchange (2) for use with an underwater pressurized gas source (4) connected t a breathing apparatus (24) comprising a length of tubing (8) sufficient in diameter and length to allow heat exchange of expanding gas from the pressurized gas source (4) to the breathing apparatus in order to substantially increase the temperature of the expanding gas. The tubing (8) being made of a heat conducting material and being wholly unenclosed and open for contact with ambient fluid within which the method and system is used.</p> |
