Patent ID: 8080079

Claim:
An air filter housing ( 1 ) comprising: at least one filter chamber ( 2 , 3 ) with an inlet end and an outlet end for air passing through a filter unit (F) disposed in said filter chamber; an access opening ( 4 , 5 ) arranged in a sidewall of said filter chamber for the introduction of an air filter unit into and removal thereof out of said filter chamber; a clamping device ( 8 ) for pressing an air filter unit disposed in the filter chamber against an end wall of said filter chamber in the inlet end thereof; and a guide ( 19 , 20 , 21 - 24 ) for guiding an air filter unit (F) during introduction into and removal out of said filter chamber ( 2 ), wherein said guide ( 19 , 20 , 21 - 24 ) guides the movement of the air filter unit (F) within a filter chamber ( 2 ), wherein said guide ( 19 , 20 , 21 - 24 ) holds an air filter unit (F) distanced from the end walls of said filter chamber ( 2 ) during introduction into and removal out of said filter chamber, wherein said guide ( 19 , 20 , 21 - 24 ) include a rail ( 19 , 20 ) in two opposite walls of said filter chamber, said rails being extended in a transverse direction relative to the flow direction of the air in the filter housing and to a plane through the access opening ( 4 ) to the filter chamber, wherein said rails ( 19 , 20 ) are movable in the flow direction of the air in the filter housing.