Ventilator for gaseous media

Abstract

The invention relates to a fan for gaseous media, having an impeller ( 26 ), which has a support disc ( 33 ) with several blades ( 36 ) arranged thereon, having a covering disc ( 40 ) or an inlet nozzle ( 41 ), which is opposite the blades ( 36 ) arranged on the support disc ( 33 ), having a flow channel ( 25 ) formed by a housing ( 12 ), having a receiving apparatus ( 60 ) arranged in the flow channel ( 25 ), which has a motor holder ( 61 ), on which a motor ( 50 ) is fastened, which drives the support disc ( 33 ) rotatably via a driveshaft ( 51 ), wherein at least one holding apparatus ( 54 ) is provided, which is fixed in addition to and separate from the motor holder ( 61 ) of the motor ( 50 ).

1 . Fan for gaseous media,
 having an impeller ( 26 ), which has a support disc ( 33 ) with several blades ( 36 ) arranged thereon,   having a covering disc ( 40 ) or an inlet nozzle ( 41 ), which is opposite the blades ( 36 ) arranged on the support disc ( 33 ),   having a flow channel ( 25 ) formed by a housing ( 12 ),   having a receiving apparatus ( 60 ) arranged in the flow channel ( 25 ), which has a motor holder ( 61 ), on which a motor ( 50 ) is fastened, which drives the support disc ( 33 ) rotatably via a driveshaft ( 51 ),   characterised in that at least one holding apparatus ( 54 ) is provided, which is fixed in addition to and separate from the motor holder ( 61 ) of the motor ( 50 ).   
     
     
         2 . Fan according to  claim 1 , characterised in that the holding apparatus ( 54 ) has at least two fastening sections ( 67 ). 
     
     
         3 . Fan according to  claim 1 , characterised in that the holding apparatus ( 54 ) has at least one flexible damping element ( 68 ) or in that at least one fastening section ( 67 ) is designed as the damping element ( 68 ). 
     
     
         4 . Fan according to  claim 1 , characterised in that the receiving apparatus ( 60 ) has a pot-shaped basic body ( 59 ) with an interior space ( 47 ) that is open on one side, wherein the motor holder ( 61 ) is provided on a base ( 64 ) or a side wall ( 65 ) of the basic body ( 59 ). 
     
     
         5 . Fan according to  claim 3 , characterised in that the holding apparatus ( 54 ) engages with the motor ( 50 ) and the basic body ( 59 ) of the receiving apparatus ( 60 ) at a distance from the motor holder ( 61 ). 
     
     
         6 . Fan according to  claim 5 , characterised in that the holding apparatus ( 54 ) is arranged on an insertion opening ( 62 ) on the basic body ( 59 ) of the receiving apparatus ( 60 ) and preferably engages with a front side of the motor ( 50 ). 
     
     
         7 . Fan according to  claim 1 , characterised in that the holding apparatus ( 54 ) has at least one holding element ( 72 ), which is designed to be cap-shaped, collar-shaped washer-shaped or disc-shaped or comprise one or more holding tabs, which are releasably fastened to the motor ( 50 ) and the insertion opening ( 62 ) of the receiving apparatus ( 60 ). 
     
     
         8 . Fan according to  claim 1 , characterised in that the motor holder ( 61 ) is provided on the base side on the receiving apparatus ( 60 ) and the at least one holding apparatus ( 54 ) is arranged between a side wall ( 65 ) of the receiving apparatus ( 60 ) and a housing section of the motor ( 50 ). 
     
     
         9 . Fan according to  claim 8 , characterised in that the holding apparatus ( 54 ) has at least two strut-like projections ( 73 ), which are arranged on the side wall ( 65 ) of the basic body ( 59 ) of the receiving apparatus ( 60 ) and extend at least to the centre of the interior space ( 47 ). 
     
     
         10 . Fan according to  claim 9 , characterised in that the strut-like projections ( 73 ) extend at least in sections along the side wall ( 65 ) of the basic body ( 59 ) of the receiving apparatus ( 60 ). 
     
     
         11 . Fan according to  claim 8 , characterised in that the holding apparatus ( 54 ) is designed as a spring element, membrane element or rubber buffer. 
     
     
         12 . Fan according to  claim 3 , characterised in that the at least one damping element ( 68 ) is designed as an elastic spring element, an elastic rubber element or as a membrane element. 
     
     
         13 . Fan according to  claim 1 , characterised in that the holding apparatus ( 54 ) is designed as a cover that completely or partially closes the insertion opening ( 61 ) of the receiving device ( 60 ). 
     
     
         14 . Fan according to  claim 1 , characterised in that the motor holder ( 61 ) that is designed as a stiffening element is provided on or in the base ( 64 ) of the receiving device ( 60 ). 
     
     
         15 . Fan according to  claim 14 , characterised in that the receiving device ( 60 ) is produced as an injection-moulded part made from plastic and the motor holder ( 61 ) is at least partially moulded as an insertion. 
     
     
         16 . Fan according to  claim 14 , characterised in that the motor holder ( 61 ) has a star-shaped or cross-shaped contour and has fastening points ( 79 ) at the outer end of the finger-shaped sections.