Fluid mixing valve construction and method of making the same

Details Fluid mixing valve construction and method of making the same Fluid mixing valve construction and method of making the same

1978-01-25

1979-08-21

O'Dea, William F.

Automatic temperature and humidity regulation

Mixing fluid of dissimilar temperature

Having oscillating or reciprocating valve

137 75, 236 99E, G05D 2312

Patent

active

041650344

ABSTRACT:
A fluid mixing valve construction having a housing provided with a pair of inlets respectively interconnected by a pair of valve seats to an outlet and with a valve member operated by a condition responsive unit for controlling the valve seats in accordance with the condition of fluid passing to the outlet and sensed by the condition responsive unit. A second condition responsive unit is operatively interconnected to the valve member to close one of the valve seats with the valve member if the first mentioned condition responsive unit does not close the one valve seat with the valve member even though the same is sensing a condition that would require the first mentioned condition responsive unit to close the one valve seat whereby the fluid mixing valve construction is substantially fail-safe.

REFERENCES:
patent: 2396053 (1946-03-01), McEntire
patent: 2511042 (1950-06-01), Branson
patent: 3036777 (1962-05-01), Budde
patent: 3105375 (1963-10-01), Eskin et al.
patent: 3273796 (1966-09-01), Bauerlein
patent: 3768731 (1973-10-01), Lavado
patent: 3994269 (1976-11-01), Takaoka et al.

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