Patent ID: 8613601
Filing Date: 2013-12-24
Classification: F04D,F04F

Abstract:
1. A bladeless fan assembly for creating an air current, the fan assembly comprising a device for creating an air flow and a nozzle comprising an interior passage for receiving the air flow, a mouth for emitting the air flow, and a plurality of stationary guide vanes located within the interior passage and each shaped to change a direction of the air flow by around 90° for directing a portion of the air flow towards the mouth, wherein the mouth is shaped so as substantially to reverse a flow direction of each portion of the air flow, the nozzle defining an opening through which air from outside the fan assembly is drawn by the air flow emitted from the mouth, wherein the nozzle comprises an inner casing section and an outer casing section which together define the interior passage and the mouth, wherein the guide vanes protrude from an internal surface of the nozzle, wherein the mouth comprises an outlet located between an external surface of the inner casing section of the nozzle and an internal surface of the outer casing section of the nozzle, and wherein the mouth comprises a plurality of said outlets spaced about the opening.