| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a condensation prevention device of a sensor capable of performing accurate gas concentration measurement by wiping out condensation adhering to the sensor. <P>SOLUTION: In this condensation prevention device arranged in the facing state to a passage for circulating gas, for removing condensed water adhering to the sensor equipped with a heat catalyst element 3a for detecting the concentration of the gas flowing in the passage, the condensed water adhering to the heat catalyst element 3a is removed by rotating the heat catalyst element 3a in the clockwise direction and in the counterclockwise direction alternately around a rotating shaft 2b. The hydrogen sensor 1 is mounted on an exhaust pipe for exhausting gas after combustion, which is connected behind a hydrogen combustor constituting a fuel cell system. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
