| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a temperature sensing tube for an expansion valve in which a hunting can be prevented by slowing of a temperature reaction rate of an expansion valve. Ž<P>SOLUTION: In a temperature sensing tube 1, a ceramic sintered member serving as a heat transfer delay member 3 is fixed so as not to directly come into contact with a tubular member 2 by fixing springs 4, 4 provided at both end portions 13, 13. In comparison with the case that the ceramic sintered member directly comes into contact with the tubular member 2, a heat transfer from the tubular member 2 to the ceramic sintered member becomes slow. Further, since the ceramic sintered member is fixed by the fixing springs 4, 4 in a state that it is spaced from the tubular member 2, and does not directly come into contact with the tubular member 2 at whatever position around it, a temperature is not transferred from a mated piping directly via the tubular member, whichever outer surface of the temperature sensing tube 1 comes into contact in attachment of the temperature sensing tube 1 to the mated piping, and a reaction rate with respect to a temperature rise of the expansion valve can be made slow. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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