| 摘要 |
The fluid pressure-responsive unit of the invention defines a chamber formed of a base plate, a top plate and a heat-exchange bellows sidewall joining the two plates. Relative movement of the plates is controlled by springs and guiding cylinders within the chamber. The base plate incorporates a fluid intake aperture for admitting fluid into the chamber and the latter further contains an overflow assembly including a looped resilient pipe of which one end is connected to the top plate so as to receive fluid overflowing from the chamber. The other end can be connected to another pipe introduced into the chamber by the intake aperture to lead fluid out of the chamber.
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