Abstract: An air dryer device for an air treatment device for a utility vehicle includes at least one housing forming at least one accommodation chamber for accommodating at least one desiccant container. The housing has at least one housing socket arranged, in a mounted state, at a bottom region of the housing; at least one first connection device and at least one second connection device, wherein the first and second connection device, via the desiccant container, are connectable during at least one load phase and/or during at least one regeneration phase of the air dryer device; at least one regeneration conduit for connecting the first connection device with the second connection device during the regeneration phase; and at least one first control valve arranged and configured for opening or closing the regeneration conduit, especially wherein the first control valve is arranged at the housing socket.

Abstract: A positioning and mounting interface for positioning a desiccant cartridge in, and mounting to, an air control device of a vehicle, especially a utility vehicle, is provided. The interface has an annular portion having at least one recess for engaging with at least one pin of a receiving portion of the air control device. A desiccant cartridge includes the positioning and mounting interface, and an air control device includes the desiccant cartridge.

Abstract: An air dryer device for an air treatment device for a utility vehicle includes at least one housing forming at least one accommodation chamber for accommodating at least one desiccant container. The housing has at least one housing socket arranged, in a mounted state, at a bottom region of the housing; at least one first connection device and at least one second connection device, wherein the first and second connection device, via the desiccant container, are connectable during at least one load phase and/or during at least one regeneration phase of the air dryer device; at least one regeneration conduit for connecting the first connection device with the second connection device during the regeneration phase; and at least one first control valve arranged and configured for opening or closing the regeneration conduit, especially wherein the first control valve is arranged at the housing socket.