Abstract: A drying tower for a compressed air drier includes a base (5) and a reservoir (4) containing a cartridge (8) filled with filter material (12) and desiccant (11).In order to obtain an optimal utilization of the desiccant and of the space the cartridge (8) completely fills the reservoir (4) and is provided with two longitudinal partition walls (13, 14) perpendicular to each other and having two openings (15) at the end remote from the base, so that--aided by suitable shaping of the base--the air will be transported in a winding path consecutively through all four desiccant-filled compartments formed by the walls.

Abstract: A vehicle brake system drain valve comprises a housing (1-4), a solenoid therein and a valve element (15) movable between two seats (12, 13) in the valve.A neck (4), which is a part of the housing, is conditionally rotatable relative to the remainder of the housing and has a ventilating channel (20) leading to the atmosphere if not covered by a sealing ring (18).

Abstract: A brake lever for an automotive S-cam drum brake (1-3) has a worm wheel (12) for attachment to an S-cam shaft (5) and meshing with a worm screw (20) on a worm screw shaft (19), and a control arrangement (13, 14, 18, 25) including a control ring (25) rotatable on the worm screw shaft (19). In a force transmitting chain between the control ring and the worm screw shaft there is a clutch sleeve (26), a one-way clutch (28), a clutch ring (27) and a torque limiting clutch (32) biased into engagement by a strong spring (22) on the worm screw shaft, a control distance (A) in the form of a cicumferential play being formed between the control ring and the clutch sleeve, which are biased towards a predetermined initial relative cicumferential position by a spring (33).

Abstract: A compressed air dehumidifier comprises two containers having an adsorbent therein and having connections for the supply and delivery of air. Valve structure are provided for connecting the containers alternatingly one at the time into a compressed air system for passing air to be dehumidified through the connected container. Apparatus is provided for choked bleeding of a fraction of the dehumidified air from the connected container to the other container. A control valve (16-19) for accomplishing said alternatingly connection and for discharging said air fraction from said other container to the surrounding air includes a valve body (19), which has two recesses (37) for locking engagement one at the time with an axially movable valve stem (26) in order to hold the valve body against either one of two seats (16, 17), between which the valve body is movable.