US 12,324,554 B2
Washing agent dispenser for dishwashing machines
Alberto Sciutto, Casale Monferrato (IT); Daniele Cerruti, Casale Monferrato (IT); Paolo Savini, Casale Monferrato (IT); Marco Pizzi, Casale Monferrato (IT); Paolo Begnamino, Casale Monferrato (IT); Stefano Allera, Casale Monferrato (IT); Massimo Zanin, Casale Monferrato (IT); and Costanzo Gadini, Casale Monferrato (IT)
Assigned to ELTEK S.p.A., Casale Monferrato (IT)
Appl. No. 18/008,038
Filed by ELTEK S.p.A., Casale Monferrato (IT)
PCT Filed Jun. 4, 2021, PCT No. PCT/IB2021/054911
§ 371(c)(1), (2) Date Dec. 2, 2022,
PCT Pub. No. WO2021/245613, PCT Pub. Date Dec. 9, 2021.
Claims priority of application No. 102020000013435 (IT), filed on Jun. 5, 2020.
Prior Publication US 2023/0233053 A1, Jul. 27, 2023
Int. Cl. A47L 15/42 (2006.01); A47L 15/44 (2006.01); A47L 15/46 (2006.01)
CPC A47L 15/4445 (2013.01) [A47L 15/4293 (2013.01); A47L 15/4418 (2013.01); A47L 15/4436 (2013.01); A47L 15/449 (2013.01); A47L 15/46 (2013.01); A47L 2401/023 (2013.01); A47L 2501/26 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A washing agent dispenser for washing machines, for dispensing washing agents into a washing machine wash-chamber, the dispenser comprising a fixed dispenser part, designed for mounting on a wall delimiting a washing machine wash-chamber, and a removable dispenser part, which can be coupled in a removable way to the fixed dispenser part,
wherein the removable dispenser part comprises a hollow body defining at least one tank for a respective washing agent in liquid or semi-solid form,
wherein the fixed dispenser part has a front wall, provided with an inlet,
the wherein the hollow body has a front wall, a back wall and peripheral walls, the back wall of the hollow body being designed to face the front wall of the fixed dispenser part,
wherein the at least one tank has in a lower part thereof an outlet, the outlet being in the back wall of the hollow body designed to face the front wall of the fixed dispenser part,
wherein the outlet is couplable in a separable way to the inlet at the front wall of the fixed dispenser part, the inlet being connected in fluid communication with a respective dispensing arrangement, configured for dispensing dosed amounts of the washing agent,
wherein at least one retention valve is mounted at the back wall of the hollow body, in a position corresponding to the outlet of at the least one tank,
wherein the retention valve is configured to assume a respective open position following upon coupling between the outlet and the inlet, and to assume a respective closed position following upon uncoupling between the outlet and the inlet.