Cleaning apparatus and cleaning system

By redesigning the wastewater discharge pipeline to be higher than the tank's water level line, the cleaning device prevents leakage and simplifies maintenance, addressing the issue of wastewater discharge in cleaning systems.

EP4759218A1Pending Publication Date: 2026-06-17SHENZHEN ROBOROCK INNOVATION TECH CO LTD

Patent Information

Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
SHENZHEN ROBOROCK INNOVATION TECH CO LTD
Filing Date
2024-07-30
Publication Date
2026-06-17

AI Technical Summary

Technical Problem

Wastewater leakage occurs when the wastewater discharge system of cleaning devices is disconnected from a maintenance station in existing cleaning systems.

Method used

The cleaning device redesigns the wastewater discharge pipeline to have at least one position higher than the highest water level line of the wastewater tank, eliminating the need for a sealing valve and preventing leakage by ensuring the wastewater remains contained within the tank.

Benefits of technology

Prevents wastewater leakage during disconnection from the maintenance station, simplifies maintenance, and enhances operational efficiency by reducing pipeline obstructions and facilitating easier disassembly and installation.

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Abstract

A cleaning apparatus and a cleaning system. The cleaning apparatus (100) comprises: a sewage tank (140), the sewage tank (140) being provided with a sewage discharge port (143); and a sewage discharge pipeline (150), the sewage discharge pipeline (150) being in communication with the sewage discharge port (143), wherein the height of at least one part of the sewage discharge pipeline (150) is higher than the height of the highest water level line of the sewage tank (140).
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