Exchangeable unit steam trap

Details Exchangeable unit steam trap Exchangeable unit steam trap

1982-02-05

1984-04-10

Tapolcai, William E.

Automatic temperature and humidity regulation

Traps

Thermostatic

236100, 251367, G05D 2312

Patent

active

044416520

ABSTRACT:
A steam trap includes a casing having an inlet and an outlet, a cover secured to the casing to enclose a condensate reservoir in the casing and a trap unit having a valve closing and opening by thermal expansion and contraction of a thermoelement such as thermowax in response to temperature in the reservoir and a counter spring whose spring force acts against the thermal expansion of the thermoelement. The disclosed steam trap comprises connection means for connecting the cover and the trap unit only by relative movement therebetween and a support spring arranged between the cover and the thermoelement. The steam trap is therefore, conveniently adaptable to change in used conditions by suitable selection of trap units having various temperature characteristics previously prepared and is capable of effectively replacing its trap unit with a new one for repairing.

REFERENCES:
patent: 7318 (1850-04-01), Brown
patent: 2084470 (1937-06-01), Wells
patent: 2396138 (1946-03-01), Vernet
patent: 2444758 (1948-07-01), Stillbach
patent: 3403853 (1968-10-01), Monroe, Jr.
patent: 4016901 (1977-04-01), Kenny
patent: 4176815 (1979-12-01), Davidson et al.
patent: 4288032 (1981-09-01), Hetz
patent: 4305180 (1981-12-01), Schwartz

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