| 摘要 |
PROBLEM TO BE SOLVED: To prevent a pressure sensor section from degrading at a high temperature firstly, and make the size of a pressure-temperature compound sensor compact secondly, in the pressure-temperature compound sensor which detects a pressure and a temperature of a pressure medium. SOLUTION: The pressure-temperature sensor is configured such that the pressure of a pressure medium received by a first diaphragm 3 through a pressure transmission rod 2 is transmitted to a second diaphragm 4, thereby detecting the pressure by using the pressure sensor section 5. Therefore, the pressure sensor section 5 can be thermally isolated from the pressure medium, thereby preventing the pressure sensor section 5 from degrading at the high temperature. Furthermore, a temperature sensor 6 is disposed in a hollow part of the pressure transmission rod 2, and a temperature of the pressure medium transmitted to the first diaphragm 3 and the pressure transmission rod 2 is detected by the temperature sensor 6, thereby making the size of the pressure-temperature compound sensor compact. COPYRIGHT: (C)2009,JPO&INPIT
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