Automatic temperature and humidity regulation – Traps – Thermostatic
Patent
1981-09-18
1985-01-22
Tapolcai, William E.
Automatic temperature and humidity regulation
Traps
Thermostatic
55462, 55218, 137183, 403194, 236101E, F16T 104
Patent
active
044946929
ABSTRACT:
Steam trap structure including a bi-metal strip for actuating valve means to control passage of steam through the steam trap in accordance with the temperature within the steam trap. The bi-metal strip may be straight or may have an arcuate portion on one end thereof and is constructed of alternate layers of steel and brass adjacent pairs of which may be connected together. In a modification all of the steel and brass layers may be connected together. An additional biasing steel layer may be included in the bi-metal strip. The steam trap of the invention further includes multiple coarse and fine strainers adjacent to the outlet valve and unique outlet valve structure including a flanged valve seat and cooperable conical valve member adapted to be self mounting in an opening in the steam trap.
REFERENCES:
patent: 80436 (1868-07-01), Wilson
patent: 897285 (1908-09-01), Greenaway
patent: 1738809 (1929-12-01), Walter
patent: 1930224 (1933-10-01), Crosthwait, Jr.
patent: 2101338 (1937-12-01), Lovekin
patent: 2629553 (1953-02-01), Velan
patent: 2857186 (1958-10-01), Bonetti
patent: 2866519 (1958-12-01), Hazlett et al.
patent: 3433412 (1969-03-01), Breton
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