An improved mist generating apparatus

Details An improved mist generating apparatus An improved mist generating apparatus

A - Human Necessities

62

C

A62C 31/05 (2006.01)

Patent

CA 2703565

A mist generating apparatus (100) is provided. The apparatus (100) has a longitudinal axis (L) and comprises first and second opposing surfaces (140,142) which define a transport fluid nozzle (150) between them. The apparatus (100) also has a working fluid passage (132) having an inlet (130) connectable to a supply of working fluid, and an outlet (160) on one of the first and second surfaces (140,142). The working fluid outlet (160) communicates with the transport fluid nozzle (150). The transport fluid nozzle (150) has a nozzle inlet (151) connectable to a supply of transport fluid, a nozzle outlet (155), and a throat portion (153) intermediate the nozzle inlet (151) and nozzle outlet (155). The nozzle throat (153) has a cross sectional area which is less than that of either the nozzle inlet (151) or the nozzle outlet (155). The transport fluid nozzle (150) projects radially from the longitudinal axis (L) such that the nozzle (150) defines a rotational angle of at least 5 degrees about the longitudinal axis (L). A method of generating a mist using the apparatus is also provided.

L'invention concerne un appareil d'atomisation (100) ayant un axe longitudinal (L) et comprenant des première et seconde surfaces opposées (140, 142) qui forment entre elles un ajutage de fluide de transport (150). L'appareil (100) comprend également un passage pour le fluide de travail (132) pourvu d'un orifice d'admission (130) pouvant se raccorder à une alimentation du fluide de travail, et d'un orifice d'évacuation (160) sur l'une des deux surfaces (140, 142). L'orifice d'évacuation du fluide de travail (160) communique avec l'ajutage du fluide de transport (150). L'ajutage du fluide de transport (150) comporte un orifice d'admission (151) pouvant se raccorder à une alimentation du fluide de transport, un orifice d'évacuation (155) et une partie gorge (153) se trouvant entre l'orifice d'admission (151) et l'orifice d'évacuation (155) de l'ajutage. La gorge (153) a une section transversale de dimension inférieure à celle de l'orifice d'admission (151) ou de l'orifice d'évacuation (55). L'ajutage de fluide de transport (150) fait saillie radicalement depuis l'axe longitudinal (L) de façon à former un angle de rotation d'au moins 5° autour de l'accès longitudinal (L). L'invention concerne également un procédé d'atomisation utilisant cet appareil.

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