F - Mech Eng,Light,Heat,Weapons – 15 – C
Patent
F - Mech Eng,Light,Heat,Weapons
15
C
137/129, 170/63.
F15C 3/00 (2006.01) B60H 1/00 (2006.01) B60S 1/54 (2006.01) F15C 7/00 (2006.01) F24F 11/02 (2006.01)
Patent
CA 1170995
"FLUID FLOW CONTROL ELEMENT AND METHOD" ABSTRACT OF THE DISCLOSURE A fluid flow control element is constituted by a fluldic amplifier having an interaction region shaped to provide side walls leading to a pair of fluid flow outlets. The fluid flow inlet for the fluidic ampli- fier has positioned adjacent thereto at least one con- trol fluid passageway, and the flow of fluid to the outlet passages is controlled by at least one pivoted valve or flap element pivoted between two positions for controlling flow fluid from the fluid inlet to a selected one of a pair of fluid flow passageways or outlets. In the preferred embodiment the fluid flow inlet and outlet and the interaction chamber are such that the fluid pressure in the chamber is always above any pressure in the load passageways and fluid from the fluid flow inlet flows out from the chamber through the control passage. The pivoted valve or flap element, in the preferred embodiment is flat so that it is balanced relative to gravity as well as aerodynamically, so that it will not change position due to back pressures as when outlet passages or receivers are partially or completely blocked and does not cause any torque on the valve element about said pivot and hence will remain in the control position despite severe back loading. The invention is described in relation to a low pressure system, such as automobile air flow systems wherein a number of the unique aspects of the invention are utilized.
391726
Morris Joseph W.
Stouffer Ronald D.
Bowles Fluidics Corporation
Macrae & Co.
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