F - Mech Eng,Light,Heat,Weapons – 28 – F
Patent
F - Mech Eng,Light,Heat,Weapons
28
F
165/34
F28F 25/02 (2006.01) F28F 27/00 (2006.01)
Patent
CA 1286979
Abstract of the Invention A distribution system for a water cooling tower directs incoming hot water to particular regions of a fill assembly which are determined by the magnitude of the hot water flow rate, and struc- ture is provided for maintaining an equal head of water above all of the nozzles in current operation. During periods of relatively low flows, a weir member mounted within a distribution box of the system directs all of the incoming hot water to an outer distribution zone which is located over four outer regions of the fill assembly. Once the hot water flow rate is increased above a certain, pre- determined value, a portion of the water spills over the weir and is conveyed to an inner distribution zone located over a central region of the Eill structure while the remaining portion of the water is directed toward the outer zone so that water is directed to the entire horizontal area of the fill structure. Variations in the hot water flow rate either above or below the aforementioned, predeter- mined value function to raise or lower the pressure encountered by the nozzles, but the configuration of the weir member, distribution box and distribution conduits ensures that all of the nozzles in current operation continuously encounter an equal head of water without the use of valves, gates or the like.
550042
Gowling Lafleur Henderson Llp
The Marley Cooling Tower Company
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