Patent ID: 7972418
Filing Date: 2011-07-05
Classification: B01D,B60T,Y10S,Y10T

Abstract:
1. A compressed air supply device for a utility vehicle, comprising: a valve housing; and a substantially axially symmetrical, exchangeable air dryer cartridge, wherein the air dryer cartridge is connected to the valve housing with a substantially circular seal which lies in a plane perpendicular to an axis of the air dryer cartridge arranged between the air dryer cartridge and the valve housing, the valve housing and the air dryer cartridge are arranged to be coupled to one another by being joined together in an axially parallel manner, the valve housing and the air dryer cartridge have at least one feature which permits a sealed connection between the valve housing and the air dryer cartridge in a predetermined number of angular positions of the air dryer cartridge relative to the valve housing, the predetermined number of angular positions not including all angular positions about the axis of the air dryer cartridge, the at least one feature includes an eccentric projection arranged on the valve housing at a distance from a central axis of the valve housing protruding parallel to the central axis from within the coupling surface enclosed by the substantially circular seal, and a recess on the air dryer cartridge arranged to receive the eccentric projection when the valve housing and the air dryer cartridge are in a connected state.