Bi-metallic steam trap

Details Bi-metallic steam trap Bi-metallic steam trap

1981-11-13

1984-01-24

Tapolcai, William E.

Automatic temperature and humidity regulation

Traps

Thermostatic

236101B, F16T 108

Patent

active

044271492

ABSTRACT:
A steam trap having a thermostatically controlled bimetallic valve for discharging condensate from steam lines is disclosed. The steam trap has a housing having a fluid inlet port, a fluid outlet port, and valve means within said housing between the inlet port and the outlet port comprising a valve adapted to seat on a valve seat for controlling fluid flow through said steam trap from said inlet port to said outlet port and a bimetallic assembly responsive to temperature variations for controlling the opening and closing of said valve means. The bimetallic assembly comprises at least one primary bimetallic member mounted within said housing operably connected to said valve stem to open and close the valve on the valve seat and at least one secondary bimetallic member adapted to be supported within the housing in opposition to said primary bimetallic member, said secondary bimetallic member arranged such that said primary bimetallic member can expand during initial heating thereof without interference from the secondary bimetallic member but continued expansion of said primary bimetallic member is opposed by said secondary bimetallic member as the temperature of the fluid increases.

REFERENCES:
patent: 3226026 (1965-12-01), Domm et al.
patent: 3353746 (1967-11-01), Foller
patent: 3985296 (1976-10-01), Fujiwara
patent: 4026464 (1977-05-01), Doherty, Jr.
patent: 4320871 (1982-03-01), Kuroda et al.
patent: 4327863 (1982-05-01), Foller

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