Patent ID: 9713814
Date: 2017-07-25
CPC Classifications: B05B,B05C,B05D,F16K,H01M,Y02E

Claim:
1. A switchable slot valve for a coating plant that controls delivery of a pasty coating material comprising: a valve bore incorporated in a valve main body and aligned in a valve extent direction, a supply duct disposed in a region of an inner circumferential face of the valve bore and opens into the valve bore, a nozzle duct disposed in the region of the inner circumferential face of the valve bore and leads out of the valve bore, and a valve control rod disposed in the valve bore is mounted to be rotatable in the valve bore about a rotation axis extending in a valve extent direction, and is penetrated by a valve duct having a slot-shaped duct inlet and a slot-shaped duct outlet, wherein: the valve control rod in the valve bore is rotatable between a throughput position and a closed position, wherein, in the throughput position, the supply duct and the nozzle duct interconnect to communicate via the valve duct, and wherein, in the closed position, the nozzle duct is isolated from the supply duct by the valve control rod, bearing faces which, for bearing the valve control rod, bear on the inner circumferential face of the valve bore are provided on the valve control rod in the region of two outer circumferential part-faces between the slot-shaped duct inlet and the slot-shaped duct outlet, depression regions in a region of which the respective outer circumferential part-face does not bear on the inner circumferential face of the valve bore are provided on the outer circumferential part-faces, at least two bearing ring portions extending in a circumferential direction between the duct inlet and the duct outlet and which are mutually interrupted by a depression region are provided on the outer circumferential part-faces, and encircling bearing rings, outer faces of which form an encircling bearing face, are provided, and the bearing rings span the duct inlet and the duct outlet.