| 摘要 |
<p>A tank heater for respiratory mixtures used in deep underwater diving which includes a heating coil of a plurality of counter wound wires enclosed within a sealed gas tank for heating and closely regulating the temperature of the breathing gas fed to an underwater diver. A temperature sensor is located within the tank adjacent the outlet port of the tank and is connected to appropriate electrical control circuits and a suitable power supply to control the heating coil. The tank and wires are insulated. The tank can also serve as a reserve tank of gas for the diver.</p> |
