# US 2025/0083138 A1 · Water softening device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0083138 A1 - Document ID: US20250083138A1 - Status: Published application - Kind: A1 - Application number: 18/564,603 - Filed: 2023-04-13 - Published: 2025-03-13 - Earliest claimed: 2022-05-30 - Assignees: Foshan Midea Chungho Water Purification Equipment Co., Ltd.; Midea Group Co., Ltd. - Applicants: Foshan Midea Chungho Water Purification Equipment Co., Ltd.; Midea Group Co., Ltd. - Inventors: Bo Zhang; Pu Qing; Zhipeng Hao; Chenghuan Hu; Ziming Gong; Rensheng Huang; Yuedong Zheng; Yumin Liao - Web page: https://patentgrep.com/patent/US20250083138A1 ## CPC - B01J 49/75: of water softeners - C02F 1/42: by ion-exchange (ion-exchange in general B01J) - C02F 2001/425: {using cation exchangers} - C02F 2201/004: Seals, connections - C02F 2201/007: Modular design - C02F 2303/16: Regeneration of sorbents, filters - C02F 2303/22: Eliminating or preventing deposits, scale removal, scale prevention (C02F1/042, C02F1/4602, C02F5/00 take precedence) - B01J: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS - C02F: TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE (separation in general B01D; special arrangements on waterborne vessels of installations for treating water, waste water or sewage, e.g. for producing fresh water, B63J; adding materials to water to prevent corrosion C23F; treating radioactively-contaminated liquids G21F9/04; regeneration of reactants for recirculation into processes, see the relevant places for the processes) ## Abstract The present disclosure provides a water softening device. The water softening device includes a box body, an inner frame assembly, a top cover assembly, a regeneration assembly and a water softening assembly. A first accommodating chamber is formed inside the box body, a box opening communicating with the first accommodating chamber is formed at a top of the box body, the inner frame assembly is provided at the box opening of the box body; the top cover assembly is provided on an upper part of the inner frame assembly and connected to the inner frame assembly; the regeneration assembly is provided inside the first accommodating chamber and is detachably connected to the top cover assembly; and the water softening assembly is provided inside the first accommodating chamber and detachably connected to the inner frame assembly. ## Claims ### Claim 1 A water softening device, comprising: a box body, wherein a first accommodating chamber is formed inside the box body, and a box opening communicating with the first accommodating chamber is formed at a top of the box body; an inner frame assembly, provided at the box opening of the box body; a top cover assembly, provided on an upper part of the inner frame assembly and connected to the inner frame assembly; a regeneration assembly, provided inside the first accommodating chamber and detachably connected to the top cover assembly; and a water softening assembly, provided inside the first accommodating chamber and detachably connected to the inner frame assembly. ### Claim 2 (depends on 1) The water softening device of claim 1, wherein the top cover assembly comprises: a first frame body, provided with a first opening and a second opening; a first top cover component, wherein the first top cover component is connected to the first frame body through a flexible member, and is switchable between an open state and a closed state; and a second top cover component, wherein the second top cover component is connected to the first frame body and covers the second opening; wherein in the closed state, the first top cover component covers the first opening; and in the open state, the first top cover component is located above the second top cover component, and an included angle between the first top cover component and the second top cover component is less than a predetermined angle. ### Claim 3 (depends on 2) The water softening device of claim 2, wherein the flexible member is detachably connected to at least one of the first frame body and the first top cover component. ### Claim 4 (depends on 2) The water softening device of claims 2, wherein the top cover assembly further comprises: an ejector rod component, provided on the first frame body, wherein the ejector rod component is switchable between a stretched state and a retracted state, wherein in the retracted state, the first top cover component covers the first opening; and in the stretched state, the ejector rod component abuts against the first top cover component, and an opening gap exists between an opening side of the first top cover component and the first frame body. ### Claim 5 (depends on 2) The water softening device of claim 2, wherein the top cover assembly further comprises: a grille component, comprising an outer frame and a plurality of circular partitions, wherein the outer frame is provided at the second opening, the plurality of circular partitions are sequentially provided from inside to outside at intervals, the outer frame is annularly provided outside the plurality of circular partitions, and passages through which salt particles pass are formed between each adjacent two circular partitions, as well as between the outer frame and an outermost circular partition. ### Claim 6 (depends on 5) The water softening device of claim 5, wherein each of the passages is provided with a plurality of spokes, each adjacent two circular partitions are connected through the plurality of spokes and the outer frame is connected to an outermost circular partition through the plurality of spokes, and the plurality of spokes in each of the passages are uniformly spaced around a circumference of the circular partition. ### Claim 7 (depends on 1) The water softening device of claim 1, wherein an upper surface of the top cover assembly is inclined downwards in a first direction. ### Claim 8 (depends on 2) The water softening device of claim 2, wherein the second top cover component is connected to the first frame body through a crank arm component, and a flip angle of the second top cover component relative to the first frame body is greater than 90°. ### Claim 9 (depends on 2) The water softening device of claim 2, wherein the regeneration assembly is connected to the first frame body through a salt well mounting component. ### Claim 10 (depends on 9) The water softening device of claim 9, wherein the salt well mounting component comprises: a clamp; a connecting arm, connected to a side of the clamp, wherein an axial direction of the clamp is parallel to a length direction of the connecting arm, and the connecting arm is connected to the first frame body; and a limit member, provided on the connecting arm, wherein the clamp surrounds outside the regeneration assembly, and the limit member is used to limit a movement of the regeneration assembly towards an end of the connecting arm. ### Claim 11 (depends on 10) The water softening device of claim 10, wherein the limit member has an adjustable position in a length direction of the connecting arm. ### Claim 12 (depends on 10) The water softening device of claim 10, wherein the limit member comprises a limit block and a bolt, the limit block is movable along the length direction of the connecting arm, and the bolt is connected to the limit block and abuts against the connecting arm. ### Claim 13 (depends on 2) The water softening device of claim 2, wherein the inner frame assembly comprises an inner frame body and a flexible fixing disc, wherein the inner frame body is detachably connected to the box opening of the box body and the top cover assembly, respectively; the inner frame body is provided with a third opening communicating with a receiving cavity, and the flexible fixing disc is provided at the third opening and detachably connected to the inner frame body; and the flexible fixing disc is sleeved on the water softening assembly. ### Claim 14 (depends on 13) The water softening device of claim 13, wherein the flexible fixing disc is provided with a central hole and a plurality of notches, wherein the water softening assembly comprises a resin tank, and an upper end of the resin tank is sleeved on the central hole, the plurality of notches are provided along a circumference of the central hole, and an opening end of the notch is formed on a wall of the central hole.