G - Physics – 05 – D
Patent
G - Physics
05
D
236/6
G05D 23/13 (2006.01) F01P 7/16 (2006.01) F01P 11/16 (2006.01)
Patent
CA 1293959
Abstract of the Disclosure A fail-safe thermostat for vehicular cooling systems is positioned in a junction leading to an internal coolant passageway, a radiator passageway and a bypass passageway. An open housing seated in the junction supports a fixed central rod extending into the wax filled interior of a movable cylindrical member which controls the position of the interior segment of a main valve. Expansion of the wax forces the cylindrical member in a first direction against a compression spring. Fusible alloy is disposed in the coupling between the cylindrical member and the main valve, and melts at a specific temperature range in excess of the normal range. When this occurs the coupling is released in such a way that the spring forces the valve member to a second limit position opposite to the direction of expansion. A bypass closure member at one end of the cylindrical member may be used to close the bypass passageway concurrently with increased temperature.
593119
S.t.c. Inc.
Sim & Mcburney
LandOfFree
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