A dishwasher comprising a spraying member with improved safety

The dishwasher's nested joint line and air duct system with leak detection features address uneven water distribution issues, ensuring reliable washing performance by preventing microcracks and enhancing production safety.

EP4759220A1Pending Publication Date: 2026-06-17ARCELIK AS

Patent Information

Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
ARCELIK AS
Filing Date
2025-08-28
Publication Date
2026-06-17

AI Technical Summary

Technical Problem

Existing dishwashers face issues with uneven water distribution, leading to inadequate washing of dishes near the edges due to manufacturing defects like microcracks in the spray arm nozzles, which are difficult to detect and result in leakage and reduced washing performance.

Method used

A dishwasher design featuring a spraying member with a nested circumferential joint line system, an air duct, and a sealed hole for leak detection, ensuring seamless connection and easy detection of microcracks during production, thereby improving safety and washing efficiency.

Benefits of technology

The design ensures reliable water distribution to all dishes, reduces manufacturing defects, and enhances washing performance by facilitating easy detection and prevention of microcracks.

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Abstract

The present invention relates to a dishwasher (1) comprising a body (2); a washing tub (3) which is disposed in the body (2) and wherein the washing process is realized; at least one rack (4) which is disposed in the washing tub (3) and wherein the kitchens items are placed; and at least one spraying member (11) which is placed above the rack (4), which enables the water to be delivered onto the kitchen items and which has a first shell (6) having a plurality of nozzles (5), a second shell (8) which enables the spraying member (11) to be attached onto the washing tub (3) and has an opening (7) for delivering the water to the spraying member (11) for the first time, at least one joint line (9) which joins the first shell (6) and the second shell (8), and a water delivery line (10) which is provided between the first shell (6) and the second shell (8) and which delivers the water entering through the opening (7) to the nozzles (5).
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