Patent ID: 8216332

Claim:
A filter comprising: a filter housing having a receiving space and a housing lid; said housing lid covering an opening of said receiving space; a carrier housing; a filter element arranged in the carrier housing, wherein said carrier housing has a sidewall which encircles and closes circumferentially around a radial sidewall of said filter element, wherein the carrier housing is inserted into the receiving space of the filter housing and locked in the receiving space; a filter cartridge clamping bracket extending approximately in a semi-circle circumferentially around sidewalls of said carrier housing, said clamping bracket including a clamping section configured as a bracket shoe, wherein the clamping bracket is secured pivotally proximate to opposing ends of said semi-circular clamping bracket onto the carrier housing by a hinge so as to be pivotable between a locking position and a release position; wherein in the locking position, the clamping section of the bracket is clamped between and supported by engagement each with a step on the filter housing and a step on the carrier housing so as to secure said filter housing on said carrier housing, wherein in said locking position said clamping bracket exerts clamping forces between a step on the filter housing and a step on the carrier housing, said clamping forces locking an axial position of said carrier housing and said filter element within said filter housing, wherein said carrier housing and said clamping bracket are received into and completely enclosed within said receiving space by said filter housing and said housing lid, wherein said bracket shoe is rectangular and includes a hinge receptacle extending through said bracket shoe, said hinge receptacle forming part of said hinge pivotally securing said clamping bracket onto said carrier housing, wherein said bracket shoe includes two oppositely positioned narrow sides, and two oppositely positioned longer sides, wherein when in said locking position, a first one of said oppositely positioned narrow sides engages against and is supported on said step on said filter housing and an opposing second one of said narrow sides engages against and is supported on said step on said carrier housing, said bracket shoe engaging against both steps while in said locking position.