Provided are a blower, capable of suppressing noise occurring in a stator while significantly improving blowing efficiency, and an outdoor unit using the same The present invention comprises: a bell mouth part (11) spaced apart at a predetermined distance in the radial direction with respect to an outer circumferential end of a propeller fan (FN); and a diffuser part (12) installed on the downstream side of the bell mouth part (11), and having a flow path area which is enlarged from the upstream side toward the downstream side with a larger magnification rate than the magnification rate of the flow path area in the downstream end of the bell mouth part (11); and a stator part (2F) having a plurality of stators (22), wherein the stator part (2F) is arranged within the diffuser part (12)

Blower and outdoor unit of air conditioner comprising same

A manufacturing method and assembly for providing ventilation to a selected structure is disclosed. The assembly may include various features such as flexible portions, rigid portions, and assembly portions. Further, various steps may be used to form the assembly to achieve selected results, such as single piece formation, inclusion of various positioning members, and packaging or shipping considerations.

Plastic fan shroud and cone assembly and method

An aircraft includes a fuselage; a propulsion system including a power source and a vertical thrust electric fan oriented to generate thrust along a vertical direction and powered by the power source; and a wing extending from the fuselage and including the vertical thrust electric fan positioned at least partially therein. The wing includes a variable geometry assembly having partial wing assembly, the partial wing assembly including a frame and a first member, the partial wing assembly moveable generally along a longitudinal direction when the variable geometry assembly is moved between a forward thrust position and a vertical thrust position, the first member moveable relative to the frame to form an exhaust path for the vertical thrust electric fan.

Vertical takeoff and landing aircraft

Die vorliegende Erfindung betrifft ein Gehause fur einen Ventilator (1) oder Lufter, insbesondere Axialventilator, umfassend eine ringformige Gehausewandung (2), die einen Stromungskanal (3) mit einer Einstromoffnung (4) und einer Ausstromoffnung (6) umschliest. Der Stromungskanal (3) weist einen in einer senkrechten Ebene zu einer mittleren Langsachse (X-X) kreisformigen Querschnitt auf, sowie eine Motorhalterung (7) fur einen Elektromotor (8) des Ventilators (1) innerhalb des Stromungskanals (3). Der Stromungskanal (3) besitzt einen sich an die Einstromoffnung (4) anschliesenden ersten Zylinderabschnitt (9) sowie einen sich mit seiner kleinen Kegelstumpfflache hieran anschliesenden, zur Ausstromoffnung (6) sich erweiternden zweiten Kegelstumpfabschnitt (11). Die Halterung (7) besteht aus mehreren, mit einem Ende an dem zweiten Kegelstumpfabschnitt (11) befestigten Streben (12), die von einer inneren Umfangsflache des Kegelstumpfabschnittes (11) in Richtung auf die Langsachse (X-X) verlaufen und an ihren anderen innenliegenden Enden Halterungsabschnitte fur den Elektromotor (8) aufweisen. Es sind Befestigungsmittel (24, 26) der Gehausewandung (2) im Bereich der Einstromoffnung (4) fur die Verbindung mit einen Anschlussteil, insbesondere einem Wandring (49a, b, c, d) sowie mit Befestigungsmitteln (28) im Randbereich seiner Ausstromoffnung (6) fur ein Schutzgitter (23) und/oder Befestigungsmittel (29, 31) fur die Befestigung eines Ausendiffusors (37) an der Gehausewandung (2) im Bereich der Ausstromoffnung (6) vorhanden.

Gehäuse für einen ventilator oder lüfter

A housing for a fan or blower, in particular an axial fan, includes a wall ring ( 2 ) having an inlet nozzle section ( 3 ), an outer diffuser ( 6 ) having an inlet flow opening ( 7 ) and an outlet flow opening ( 8 ), and a holder for an electric motor ( 9 ) of the fan. The holder is arranged in an inner space of the housing. The outer diffuser ( 6 ) is formed by at least two partial ring sections that are connected to the outer circumferential surface via mechanical connection elements. The holder includes several struts ( 14 ) that are fastened to an inner circumferential surface of the outer diffuser ( 6 ) by one end, are circumferentially spaced apart, and are fastened in the edge region of the inlet flow opening ( 7 ). The struts can be installed by their other end to a motor flange ( 16 ) of the motor housing ( 17 ) of the electric motor ( 9 ).

Housing for an axial fan

The invention relates to a diffuser (3) for a fan (2) of axial, radial, or diagonal construction, having an inlet opening (10) and an outlet opening (20) for a gaseous medium flowing through a diffuser interior (I) enclosed by an outer housing (30) in an axially directed main flow direction (S) from the inlet opening (10) to the outlet opening (20), wherein the cross section (21) of the outlet opening (20) is greater than the cross section (11) of the inlet opening (10) and the cross section of the diffuser interior (I) increases from the cross section (11) of the inlet opening to the cross section (21) of the outlet opening (20), wherein the outer housing (30) forms an outer diffuser part (AD) bounding the diffuser interior (I) on the outside. In order to achieve improvement of the operating behavior with respect to efficiency and noise, according to the invention the cross section of the outer diffuser part (AD) transitions along the main flow direction (S) from a circular cross section (31) at the inlet opening (10) to a non-circular cross section (32) at the outlet opening (20).

Fan Diffuser Having a Circular Inlet and a Rotationally Asymmetrical Outlet

The ring has a circular connecting piece (2) formed on a supporting frame (1) that is assembled from a set of frame elements (6) by form and force-fitting connecting elements (3) An axial fan is arranged in the connecting piece, which is formed of circular segments (22) to be circumferentially arranged one after the other The segments are connected to each other and with the frame by form and force-fitting or material-bonded connections or by other connecting elements The frame includes a rectangular quadratic circumferential contour with four corners and a center opening

Wall ring for an axial ventilator

The housing has an outer diffuser (6) formed from two partial ring sections, which are connected at an outer circumferential surface by a mechanical connecting unit. A holder is formed from multiple bars (14), which are fastened at an inner circumferential surface of the outer diffuser with an end and circumferentially spaced at a distance from each other. The bars are fastened in an edge region of an inflow opening (7). The bars are mounted at a motor flange (16) of a motor housing (17) of an electric motor (9) with another end. An inner diffuser (26) is arranged within the outer diffuser. The outer diffuser is made of plastic.

Housing for an axial ventilator

The invention relates to a wall ring for an axial fan comprised of a supporting frame (1) on which a circular connecting piece (2) is formed, inside which the axial fan is arranged. The supporting frame (1) is assembled from a plurality of frame elements (6) by means of form and force-fitting connecting elements. The circular connecting piece (2) is formed of a plurality of circular segments (22) arranged circumferentially one after the other, said circular segments being connected to each other and to the supporting frame (1) by means of form and force-fitting or material-bonded connections or by such connection elements, respectively.

Beck Sven

Papers

Fan Diffuser Having a Circular Inlet and a Rotationally Asymmetrical Outlet

Housing for an axial fan

Wall ring for an axial ventilator

Housing for an axial ventilator

Wall ring for axial fan