Automatic temperature and humidity regulation – Cooling radiator – Bypass
Patent
1994-10-19
1995-08-29
Tapolcai, William E.
Automatic temperature and humidity regulation
Cooling radiator
Bypass
236DIG2, F01P 716
Patent
active
054453186
ABSTRACT:
A thermostatic safety valve includes a cage (1) inserted in an engine cooling circuit and defining an upstream chamber (16) having a flow opening (5) and a downstream chamber (17) having a flow opening (6) with communication between the chambers being controlled by a moving valve member (15, 26) cooperating with a fixed seat (23) and carried by a thermostatic capsule (9) which is subjected to the opposing actions of a thermally expandable material (14) that it contains acting on a thrust element (8) and spring (18). The valve member comprises two elements, a central element (15) integral with the capsule (9) and urged by a spring (18) towards the seat (23), and a peripheral seal (26) having a deformable lip seal (29) engageable with the valve seat in the closed position of the valve and disengageable from the valve seat for movement into the downstream chamber by the force of the spring in the event of leaking of the thermally expendable material from the capsule and/or breaking of the thrust element.
REFERENCES:
patent: 3498537 (1970-03-01), Wong
patent: 3558046 (1971-01-01), Kelly
patent: 4245782 (1981-01-01), Brown
patent: 5174496 (1992-12-01), Bourgin
patent: 5188287 (1993-02-01), Chamot
Pinilla Nicolas
Tapolcai William E.
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