High temperature, high speed rotary valve

Details High temperature, high speed rotary valve High temperature, high speed rotary valve

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 11/074 (2006.01) F04D 23/00 (2006.01) F16K 51/00 (2006.01)

Patent

CA 2238440

There is provided a high speed rotary valve which is relatively simple in design and which can effectively regulate the flow of fluid under high temperature conditions in such a manner as to produce perturbations in the fluid stream. Such a valve may be used to regulate the flow of fluid, e.g. air, toward a work piece to produce a perturbation in the piece for example. The clearance between the rotor and stator is such that the flow of fluid is never completely cut off, i.e., the valve continues to "leak through" the closed outlet port even when the rotor and stator openings are not aligned. Fluids having temperatures in the range of 40 to at least 900 °F may be processed through this valve. The valve is also useful in creating aerosols of liquids and gases and in producing blown fibers.

L'invention porte sur une soupape rotative à grande vitesse, de conception relativement simple, et pouvant réguler efficacement un flux de fluide à haute température de manière à y produire des perturbations, et notamment réguler un flux, par exemple d'air, pour le diriger sur une pièce à usiner et y induire par exemple une perturbation. L'intervalle entre le rotor et le stator est tel que le flux n'est jamais complètement interrompu et que la soupape fuit alors que son orifice de sortie est fermé, même lorsque les ouvertures du stator et du rotor ne sont pas alignées. La plage de température des fluides traités s'étend de 40 à au moins 900 DEG F. Ladite soupape peut également servir à la création d'aérosols liquides et gazeux et à la production de fibres soufflées.

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