Hydraulic system for a laundry washing machine detergent dispenser

摘要

A hydraulic system (4) for a laundry washing machine detergent dispenser (1), the detergent dispenser (1) comprising a tank (2) with a number of compartments (3); the hydraulic system (4) comprising: two delivery pipes (6); two solenoid valves (12) located upstream from the delivery pipes (6) to regulate water flow along the delivery pipes (6); three feed pipes (5) terminating in the tank (2), and at least one of which has an end portion (17) located over a respective compartment (3) of the tank (2) and having a number of through outlet holes (18) underneath; and a cross mixer (7) interposed between the two delivery pipes (6) and the three feed pipes (5) to direct to a central feed pipe (5) a stream of water produced by intersection of the two streams of water from both the delivery pipes (6); wherein each outlet hole (18) is crescent-shaped with its concavity facing in the water flow direction along the feed pipe (5).