# US 2025/0143530 A1 · Base, laundry treatment device and cleaning system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0143530 A1 - Document ID: US20250143530A1 - Status: Published application - Kind: A1 - Application number: 18/685,185 - Filed: 2023-06-27 - Published: 2025-05-08 - Earliest claimed: 2022-08-24 - Assignees: Wuxi Little Swan Electric Co., Ltd. - Applicants: Wuxi Little Swan Electric Co., Ltd. - Inventors: Weiguo YANG; Pengfei DING; Yulai MIAO; Fei KANG - Web page: https://patentgrep.com/patent/US20250143530A1 ## CPC - A47L 11/4091: {Storing or parking devices, arrangements therefor; Means allowing transport of the machine when it is not being used} - A47L 11/24: Floor-sweeping machines, motor-driven - A47L 11/28: Floor-scrubbing machines, motor-driven (A47L11/29 takes precedence) - A47L 11/282: having rotary tools - A47L 11/292: having rotary tools (A47L11/30 takes precedence) - A47L 11/40: Parts or details of machines not {provided for in} groups A47L11/02 - A47L11/38, {or not restricted to one of these groups}, e.g. handles, arrangements of switches, skirts, buffers, levers - A47L 11/4083: {Liquid supply reservoirs; Preparation of the agents, e.g. mixing devices} - D06F 39/083: {Liquid discharge or recirculation arrangements} - D06F 39/088: {Liquid supply arrangements} - D06F 39/12: Casings; Tubs - A47L 2201/026: Refilling cleaning liquid containers - A47L 2201/028: Refurbishing floor engaging tools, e.g. cleaning of beating brushes - D06F 39/022: {in a liquid state (D06F39/024 takes precedence)} - A47L: DOMESTIC WASHING OR CLEANING (brushes A46B; cleaning quantities of bottles or of other hollow articles of one kind B08B9/00; laundry D06F); SUCTION CLEANERS IN GENERAL (cleaning in general B08) - D06F: LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES ## Abstract A base, a laundry treatment device and a cleaning system are provided. The base includes a pedestal and a water inlet assembly. The pedestal includes a washing portion and a robot vacuum cleaner chamber. The washing portion is configured to wash a cleaning member of a robot vacuum cleaner. The water inlet assembly includes a primary water inlet path, and a first water inlet branch in fluid communication with the primary water inlet path and/or a second water inlet branch in fluid communication with the primary water inlet path. The primary water inlet path is configured to be fluidly connected to a tap water path. The first water inlet branch is in fluid communication with the washing portion. The second water inlet branch is configured to be fluidly connected to a liquid container of the robot vacuum cleaner. ## Claims ### Claim 1 A base comprising: a pedestal comprising a chamber for a robot vacuum cleaner and a washing portion configured to wash a cleaning member of the robot vacuum cleaner; and a water inlet assembly comprising a primary water inlet path, wherein the water inlet assembly further comprises at least one of a first water inlet branch in fluid communication with the primary water inlet path, and a second water inlet branch in fluid communication with the primary water inlet path, the primary water inlet path being configured to be fluidly connected to a tap water path, the first water inlet branch being in fluid communication with the washing portion, the second water inlet branch being configured to be fluidly connected to a liquid container of the robot vacuum cleaner. ### Claim 2 (depends on 1) The base according to claim 1, wherein the water inlet assembly comprises a reversing valve comprising a valve inlet, a first valve outlet and a second valve outlet, the primary water inlet path being in fluid communication with the valve inlet, the first water inlet branch being in fluid communication with the first valve outlet and the washing portion, the second water inlet branch being configured to fluidly connect the second valve outlet to the liquid container. ### Claim 3 (depends on 2) The base according to claim 2, further comprising a liquid storage chamber arranged on the primary water inlet path and located upstream of the valve inlet in a flow direction of the water in the primary water inlet path. ### Claim 4 (depends on 3) The base according to claim 3, further comprising a detergent container in fluid communication with the liquid storage chamber. ### Claim 5 (depends on 3) The base according to claim 3, further comprising an overflow path in fluid communication with the liquid storage chamber, and liquid in the liquid storage chamber is discharged to an outside or discharged into the washing portion through the overflow path responsive to a water level of the liquid storage chamber higher than a predetermined water level. ### Claim 6 (depends on 3) The base according to claim 3, further comprising a ventilation path and a first switch valve, the ventilation path fluidly connecting the liquid storage chamber to an atmosphere, the first switch valve being arranged on the primary water inlet path and located between the liquid storage chamber and the valve inlet. ### Claim 7 (depends on 6) The base according to claim 6, further comprising an overflow path, a first end of the overflow path being fluidly connected to the ventilation path, and a second end of the overflow path is being fluidly connected to an outside or the washing portion. ### Claim 8 (depends on 7) The base according to claim 7, further comprising a first multi-way connector, the first end of the overflow path being fluidly connected to the ventilation path through the first multi-way connector, the first multi-way connector being in the form of a multi-way joint or a multi-way valve. ### Claim 9 (depends on 7) The base according to claim 7, wherein a highest point of the overflow path is not higher than a lowest point of the ventilation path. ### Claim 10 (depends on 1) The base according to claim 1, wherein the water inlet assembly comprises a third water inlet branch, the base further comprising a water discharge assembly comprising a water discharge path and a water discharge pump, the water discharge path fluidly connects the washing portion to an outside, the water discharge pump is arranged on the water discharge path, a first end of the third water inlet branch is configured to be fluidly connected to the tap water path, and a second end of the third water inlet branch is configured to be fluidly connected to a pipe of the water discharge path located between the water discharge pump and the washing portion. ### Claim 11 (depends on 10) The base according to claim 10, wherein the water inlet assembly comprises a second switch valve arranged on the third water inlet branch, the second switch valve being configured to allow or prevent entry of tap water into the third water inlet branch. ### Claim 12 (depends on 10) The base according to claim 10, wherein the water inlet assembly comprises a second multi-way connector, the first end of the third water inlet branch being fluidly to the primary water inlet path through the second multi-way connector, the second multi-way connector being a multi-way joint or a multi-way valve. ### Claim 13 (depends on 10) The base according to claim 10, wherein the water discharge assembly comprises a water storing chamber arranged on the water discharge path and located upstream of the water discharge pump in a flow direction of the water in the water discharge path, the second end of the third water inlet branch being fluidly connected to the water storing chamber. ### Claim 14 (depends on 10) The base according to claim 10, wherein the water discharge assembly comprises a third multi-way connector located upstream of the water discharge pump in a flow direction of water in the water discharge path, and the second end of the third water inlet branch is in fluid communication with the water discharge path through the third multi-way connector in the form of a multi-way joint or a multi-way valve. ### Claim 15 (depends on 10) The base according to claim 10, further comprising an overflow path and a liquid storage chamber arranged on the primary water inlet path, the overflow path being in fluid communication with the liquid storage chamber, the water discharge assembly comprising a fourth multi-way connector arranged on the water discharge path and located downstream of the water discharge pump in a flow direction of water in the water discharge path, the overflow path being in fluid communication with the water discharge path through the fourth multi-way connector in the form of a multi-way joint or a multi-way valve. ### Claim 16 (depends on 1) The base according to claim 1, wherein the water inlet assembly comprises a third switch valve arranged on the primary water inlet path, the third switch valve being configured to allow or prevent entry of tap water into the primary water inlet path. ### Claim 17 A laundry treatment device comprising: a laundry treatment machine comprising a tub; and a base comprising: a pedestal comprising a chamber for a robot vacuum cleaner and a washing portion configured to wash a cleaning member of the robot vacuum cleaner; and a water inlet assembly comprising a primary water inlet path, wherein the water inlet assembly further comprises at least one of a first water inlet branch in fluid communication with the primary water inlet path, and a second water inlet branch in fluid communication with the primary water inlet path, the primary water inlet path being configured to be fluidly connected to a tap water path, the first water inlet branch being in fluid communication with the washing portion, the second water inlet branch being configured to be fluidly connected to a liquid container of the robot vacuum cleaner, wherein the pedestal is arranged below the tub. ### Claim 18 A cleaning system comprising: a robot vacuum cleaner; and a laundry treatment device comprising: a laundry treatment machine comprising a tub; and a base comprising: a pedestal comprising a chamber for the robot vacuum cleaner and a washing portion configured to wash a cleaning member of the robot vacuum cleaner; and a water inlet assembly comprising a primary water inlet path, wherein the water inlet assembly further comprises at least one of a first water inlet branch in fluid communication with the primary water inlet path, and a second water inlet branch in fluid communication with the primary water inlet path, the primary water inlet path being configured to be fluidly connected to a tap water path, the first water inlet branch being in fluid communication with the washing portion, the second water inlet branch being configured to be fluidly connected to a liquid container of the robot vacuum cleaner, wherein the pedestal is arranged below the tub; and wherein the robot vacuum cleaner is movable into and out of the chamber. ### Claim 19 (depends on 2) The base according to claim 2, wherein the water inlet assembly comprises a third switch valve arranged on the primary water inlet path, the third switch valve being configured to allow or prevent entry of tap water into the primary water inlet path. ### Claim 20 (depends on 10) The base according to claim 10, wherein the water inlet assembly comprises a third switch valve arranged on the primary water inlet path, the third switch valve being configured to allow or prevent entry of tap water into the primary water inlet path.