Thermostatic steam trap

Details Thermostatic steam trap Thermostatic steam trap

1985-08-26

1987-03-03

Wayner, William E.

Automatic temperature and humidity regulation

Traps

Thermostatic

236101E, F16T 104

Patent

active

046469656

ABSTRACT:
A thermostatic trap for a heating system having a feed pipe connected to a source of steam and a discharge pipe for discharge of condensate. Included in the trap is a housing defining a volume and comprising a bowl shaped body, a removable cover therefor, a housing inlet pipe portion projecting from a side wall portion of the body and adapted for connection to the discharge pipe, a housing outlet pipe portion projecting from a bottom wall portion of the body, and an outlet orifice defined by the bottom wall portion and extending between the volume and the outlet pipe portion. Retained within the volume is a valve body means comprising an end wall, a side wall and a retaining ring portion that together define a valve chamber, the end wall defining a valve inlet opening communicating with the chamber and an annular valve seat within the chamber and encircling the valve inlet opening. The valve body means defines a valve outlet pipe opening into the chamber and retained in the outlet orifice. Disposed within the valve chamber and encircling the valve inlet opening is a resilient, annular seal. A bi-metallic disc within the valve chamber has an outer peripheral portion retained by the retaining ring portion of the valve body means, the disc being substantially parallel to the valve seat and in a normal position spaced therefrom by a distance greater than the thickness of said annular seal means.

REFERENCES:
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patent: 1656392 (1928-01-01), Russell et al.
patent: 1681911 (1928-08-01), Spencer
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patent: 1972169 (1934-09-01), Spencer
patent: 2271850 (1942-02-01), Zinkil
patent: 2764353 (1956-09-01), Lavallee et al.
patent: 4027848 (1977-06-01), Mundil
patent: 4133478 (1979-01-01), Place
patent: 4140275 (1979-02-01), Inada
patent: 4527733 (1985-07-01), Anderson

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