Thermostat-controlled regulation valve for a fluid and...

Details Thermostat-controlled regulation valve for a fluid and... Thermostat-controlled regulation valve for a fluid and...

2007-07-31

2007-07-31

Argenbright, Tony M. (Department: 3747)

Internal-combustion engines

Cooling

Automatic coolant flow control

C123S568120

Reexamination Certificate

active

11313271

ABSTRACT:
The housing of this valve delimits a chamber inside the housing, the chamber including a first fluid inlet at a first temperature, a second fluid inlet at a second temperature, and a first fluid outlet and a second fluid outlet through which fluid can freely communicate with the first and second inlets respectively. Thermostat-controlled means for controlling fluid circulation through the valve are provided, so that fluid can freely pass through the chamber between the first inlet and the second outlet and between the second inlet and the first outlet, only when either the value of the first temperature is less than a first predetermined threshold value, or the value of the second temperature is greater than a second predetermined threshold value strictly greater than the first threshold value.

REFERENCES:
patent: 4520767 (1985-06-01), Roettgen et al.
patent: 4621594 (1986-11-01), Kubis
patent: 5353757 (1994-10-01), Susa et al.
patent: 2755465 (1979-06-01), None
patent: 10143091 (2003-03-01), None
patent: 2844041 (2004-03-01), None
patent: 9418479 (1994-08-01), None

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