F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
137/108, 137/120
F16K 11/00 (2006.01) G05D 11/00 (2006.01)
Patent
CA 1082565
A B S T R A C T A water flow control system comprising two water conduits enclosed in a casing, one conduit being the cold water inlet, the second a hot water inlet, wherein the two inlet conduits are parallel and spaced- apart in the upper portion of the casing and coverage in a Y configuration in the lower portion of the casing finally merging in a common outlet. Two identical pairs, one above the other, and both pairs above the Y configuration, of pressure responsive valves are disposed in the conduits and both valves of a pair, one in each conduit, co-operate by means of a rigid, balanced linkage to a central transverse pivot, whereby, as one valve closes in reaction to increase pressure in its inlet conduit, its correspondin valve in the other conduit opens, as in a teater-totter action, a plate is provided under each valve, has an aperture therein (to permit water flow) and abutment means to limit downward motion of a valve without totally shutting off water flow. The two identical pairs of valves instantly respond to the slightest pressure difference between the inlet conduits and co-act to maintain a constant outlet water temperature, the only secondary effect being a slight decrease in outlet pressure until initial pressure is restored.
297845
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Leroux,leo
Lesperance Pierre
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