Automatic temperature and humidity regulation – Traps – Thermostatic
Patent
1994-04-12
1998-11-10
Tapolocai, William E.
Automatic temperature and humidity regulation
Traps
Thermostatic
236 93A, F16T 110
Patent
active
058331352
ABSTRACT:
A thermally-actuated steam trap comprises a valve casing having an inlet, a valve chest and an outlet. A valve seat member with a discharge passage is disposed between the valve chest and the outlet. A temperature control element with an expansible medium sealed therein is disposed within the valve chest, and consists of two disk-shaped wall members, at least one wave-like diaphragm member provided between the wall members, and a valve member secured to the diaphragm member. Displacement of the diaphragm accompanying the expansion and contraction of the expansible medium causes the valve member to come into and out of a seating engagement with the valve seat member to close and open the discharge passage. In order to avoid a state of producing a permanent deformation of the diaphragm of low elastic material and not to be affected by repeated use of the diaphragm, the upper surface of the lower disk-shaped wall member has a curved region corresponding to the wave form of the diaphragm member.
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Tapolocai William E.
TLV Co. Ltd.
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