Patent ID: 8110014

Claim:
An air distribution system for providing rinse air to a gas cleaner, said air distribution system comprising: a filter housing a holding plate wherein holes are arranged in concentric circles for holding filter bags or filter elements in the filter housing, filter bags or filter elements, rinse air supply means, an air distribution device for distributing rinse air, wherein a tube ( 6 ) is rotatable in relation to the air supply means along a longitudinal axis ( 105 ) of the rotatable tube ( 6 ), the 15 longitudinal axis being the rotational axis ( 105 ) for a distributor body ( 109 ) and for the rotatable tube ( 6 ) having a first end ( 106 ) connected to the air supply for receiving rinse air and a second end ( 107 ) of the rotatable tube ( 6 ) comprising an opening ( 206 ) being able to lead rinse air into tubes ( 7 ) arranged circumferentially in a rotating plane at the second end ( 107 ) of the 20 rotatable tube ( 6 ) and arranged rotatable in a rotatable distributor body ( 109 ) in the air distribution device ( 101 ) which distributor body ( 109 ) are connected to tubes ( 7 ) and which distributor body ( 109 ) comprises rotating means ( 4 , 5 , 104 ) and when the distributor body ( 109 ) is rotated, tubes ( 7 ) are moved from a position above one hole ( 110 ) in the holding plate ( 111 ) to an other hole ( 110 ) in the holding plate.