Adjustable coolant pump for cooling circuit of internal combustion engine, has pilot valve arranged at impeller-side end of pump shaft to close valve piston centrally in pump shaft, and to open cross bores in pressure chamber
DE102013010926A1
Radial shaft seal
DE102013005677B3
Shaft bearing with shaft seal, especially for water pumps in motor vehicles
DE102011008305A1
Device for actuating a control valve
DE102010046591A1
Vane pump
DE102010019044A1
Lubricant valve for oil pumps of internal combustion engines
