Patents by Inventor Xingzhi ZHANG

Xingzhi ZHANG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20200139278
    Abstract: A waterway plate assembly (100) for a water purifier and a water purifier having the same are provided. The waterway plate assembly (100) includes a waterway plate main body (10). The waterway plate main body (10) has a first end and a second end along a length direction of the waterway plate main body (10). The first end is provided with a filter cartridge interface (111) and the second end is provided with an electric element interface (112). With the waterway plate assembly (100) for the water purifier according to embodiments of the present disclosure, a separation of water and electricity is realized, and a short-circuited risk for the electric element during the replacement of the filter cartridge or a leakage of the filter cartridge interface is reduced.
    Type: Application
    Filed: July 17, 2017
    Publication date: May 7, 2020
    Inventors: Weiping Wu, Yongcheng Ang, Xingzhi Zhang, Zhenjie Zeng
  • Patent number: 10584050
    Abstract: A composite filter-cartridge, a composite filter-cartridge assembly for a water purifier and a water purifier are provided. The composite filter-cartridge includes a pretreatment filter-cartridge, a fine filtration filter-cartridge and an activated carbon filter-cartridge arranged sequentially from outside to inside. The fine filtration filter-cartridge includes a first water collecting pipe and a fine filtration membrane. The activated carbon filter-cartridge includes: a second water collecting pipe, an outer circumferential wall of the second water collecting pipe except a lower end thereof and an inner circumferential wall of the first water collecting pipe being spaced apart from each other; and a activated carbon, lower ends of the activated carbon and the second water collecting pipe being in sealed connection, a water outlet hole being formed in the activated carbon and penetrating the activated carbon axially, and an upper end of the water outlet hole being closed.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: March 10, 2020
    Assignee: MIDEA GROUP CO., LTD.
    Inventor: Xingzhi Zhang
  • Publication number: 20200039855
    Abstract: A water purification system (100) is provided and includes: a composite filter cartridge assembly (1), a booster pump (4), a waste-water solenoid valve (7) and a water storage device. The composite filter cartridge assembly (1) includes a filter casing (11) and a composite filter cartridge (12). A pretreated-water outlet (114) of the filter casing (11) is connected with a water-output end of a pretreating filter cartridge (121) of the composite filter cartridge (12) and with the booster pump (4). A pretreated-water inlet (115) of the filter casing (11) is connected with a water-input end of a fine filter cartridge (122) of the composite filter cartridge (12) and with the booster pump (4). A purified-water port (116) of the filter casing (11) is connected with a water-output end of the fine filter cartridge (122), a water-input end of a mouthfeel-improving filter cartridge (123) of the composite filter cartridge (12) and the water storage device.
    Type: Application
    Filed: May 25, 2017
    Publication date: February 6, 2020
    Applicants: FOSHAN SHUNDE MIDEA WATER DISPENSER MFG. CO., LTD., MIDEA GROUP CO., LTD.
    Inventors: Xingzhi Zhang, Zhifeng He
  • Publication number: 20200038809
    Abstract: A composite filter cartridge (12), a composite filter cartridge assembly (1) and a water purification system (100) are provided. The composite filter cartridge (12) includes a filtration assembly, a first end cap (124) and a second end cap (125) disposed to two axial ends of the filtration assembly separately, and a taste filter cartridge (123) disposed in the second end cap (125). The filtration assembly includes a pretreatment filter cartridge (121) and a fine filter cartridge (122), the taste filter cartridge (123) is connected to a central water collecting pipe (1221) of the fine filter cartridge (122) and is located downstream thereof, a concentrated water channel (a1) and a circulation channel (a2) separated from each other are defined between the taste filter cartridge (123) and the second end cap (125), and the taste filter cartridge (123) is provided with a pure water channel (a3) therein.
    Type: Application
    Filed: May 25, 2017
    Publication date: February 6, 2020
    Applicants: FOSHAN SHUNDE MIDEA WATER DISPENSER MFC. CO,, LTD., IVliDEA GROUP CO., LTD.
    Inventors: Xingzhi Zhang, Zhifeng He
  • Publication number: 20190382297
    Abstract: A water purification system (100) is provided and includes: a composite filter cartridge assembly (1), a booster pump (4) and a waste-water solenoid valve (7). The composite filter cartridge assembly (1) includes a filter casing (11) and a composite filter cartridge (12). The filter casing (11) has a raw-water inlet (111), a pretreated-water outlet (114), a pretreated-water inlet (115), a purified-water outlet (112) and a concentrated-water outlet (113). The composite filter cartridge (12) includes a filtering part and a mouthfeel-improving filter cartridge (123) which are arranged along an up-and-down direction. The pretreated-water outlet (114) is communicated with a water-output end of a pretreating filter cartridge (121) of the filtering part and with the booster pump (4). The pretreated-water inlet (115) is communicated with a water-input end of a fine filter cartridge (122) of the filtering part and with the booster pump (4).
    Type: Application
    Filed: May 25, 2017
    Publication date: December 19, 2019
    Applicants: FOSHAN SHUNDE MIDEA WATER DISPENSER MFG. CO., LTD., MIDEA GROUP CO., LTD.
    Inventors: Xingzhi Zhang, Zhifeng He
  • Patent number: 10399021
    Abstract: A water purification system (1) includes a composite filter cartridge (100) that includes a pretreatment filter cartridge (110) and a filtration membrane assembly (120), and is provided with a raw water inlet (130), a pretreatment water outlet (140), a pressurizing pretreatment water inlet (150), a pure water outlet (160) and a condensed water outlet (170); a raw water inlet pipe (200) connected with the raw water inlet (130); a pure water outlet pipe (300) connected with the pure water outlet (160); a condensed water outlet pipe (400) connected with the condensed water outlet (170); a pretreatment water outlet pipe (500) connected with the pretreatment water outlet (140); a pressurizing pretreatment water inlet pipe (600) connected with the pressurizing pretreatment water inlet (150) and the pretreatment water outlet pipe (500) respectively; and a booster pump (900) disposed on the pretreatment water outlet pipe (500).
    Type: Grant
    Filed: April 30, 2015
    Date of Patent: September 3, 2019
    Inventors: Xuegang Cai, Xingzhi Zhang
  • Patent number: 10370268
    Abstract: A water purification system includes: a composite filter-cartridge assembly, a booster pump, a waste water solenoid valve and a water storage device. The composite filter-cartridge assembly includes a filtering housing and a composite filter-cartridge. The filtering housing has a raw water inlet, a pure water opening, a pure water outlet and a concentrated water outlet. The composite filter-cartridge includes a filtering assembly and a taste improvement filter-cartridge disposed downstream from the filtering assembly. The pure water opening is coupled to a water outlet end of the filtering assembly and a water inlet end of the taste improvement filter-cartridge. The booster pump is connected to the raw water inlet, the waste water solenoid valve is connected to the concentrated water outlet, and the water storage device is connected to the pure water opening.
    Type: Grant
    Filed: January 3, 2018
    Date of Patent: August 6, 2019
    Assignees: FOSHAN SHUNDE MIDEA WATER DISPENSER MFG. CO., LTD., MIDEA GROUP CO., LTD.
    Inventors: Xingzhi Zhang, Zhifeng He
  • Patent number: 10370265
    Abstract: A water purification system includes: a composite filter cartridge including a pretreatment filter cartridge and a filter membrane assembly; a raw water inlet pipe; a pure water outlet pipe; a pretreated water pipe; a booster pump; a water quality detecting device disposed to the raw water inlet pipe and/or the pure water outlet pipe and configured to detect water quality in the raw water inlet pipe and the pure water outlet pipe; and a control device connected to the water quality detecting device and configured to determine service life of the composite filter cartridge and/or judge whether the composite filter cartridge has lost efficacy according to information detected by the water quality detecting device.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: August 6, 2019
    Assignees: FOSHAN SHUNDE MIDEA WATER DISPENSER MFG. CO., LTD., MIDEA GROUP CO., LTD.
    Inventors: Xuegang Cai, Lei Liu, Xingzhi Zhang
  • Publication number: 20190127255
    Abstract: The present disclosure provides a composite filter assembly and a water purification system, the composite filter assembly includes a housing, and a composite filter, the housing defines a raw water inlet, an initial filtered water outlet, a pressurized water inlet, a pure water outlet, and a waste water outlet, the composite filter includes a pre-posed filter, a membrane filter, and a post-posed filter, the pre-posed filter and the membrane filter are defined in a manner from outside to inside, the post-posed filter is connected with the membrane filter; the initial filtered water outlet is communicated with an outlet end of the pre-posed filter, the pressurized water inlet is communicated with an inlet end of the membrane filter; the outlet end of the pre-posed filter is adjacent to the inlet end of the membrane filter, the initial filtered water outlet is an annular opening which surrounds the pressurized water inlet.
    Type: Application
    Filed: November 6, 2018
    Publication date: May 2, 2019
    Inventors: Xingzhi ZHANG, Xuegang Cai
  • Publication number: 20190039004
    Abstract: The present invention provides a housing assembly and a water purifier applying the housing assembly. The housing assembly includes a housing assembly configured to receive a composite filter element of the water purifier, the housing assembly includes a housing, a pressing cover for covering or opening the housing, and a connecting element defined on the housing, the composite filter element is received in the housing and connected with the housing, and the top end of the composite filter element passes through the pressing cover, one end of the pressing cover is connected with the housing via the connecting element, and the pressing cover rotates relative to the housing around the connecting element, to cover or open the housing.
    Type: Application
    Filed: August 1, 2018
    Publication date: February 7, 2019
    Inventors: Xingzhi Zhang, Weiping Wu
  • Publication number: 20180257954
    Abstract: A water purification system includes: a composite filter-cartridge assembly, a booster pump, a waste water solenoid valve and a water storage device. The composite filter-cartridge assembly includes a filtering housing and a composite filter-cartridge. The filtering housing has a raw water inlet, a pure water opening, a pure water outlet and a concentrated water outlet. The composite filter-cartridge includes a filtering assembly and a taste improvement filter-cartridge disposed downstream from the filtering assembly. The pure water opening is coupled to a water outlet end of the filtering assembly and a water inlet end of the taste improvement filter-cartridge. The booster pump is connected to the raw water inlet, the waste water solenoid valve is connected to the concentrated water outlet, and the water storage device is connected to the pure water opening.
    Type: Application
    Filed: January 3, 2018
    Publication date: September 13, 2018
    Inventors: Xingzhi ZHANG, Zhifeng HE
  • Publication number: 20180127294
    Abstract: A composite filter-cartridge, a composite filter-cartridge assembly for a water purifier and a water purifier are provided. The composite filter-cartridge includes a pretreatment filter-cartridge, a fine filtration filter-cartridge and an activated carbon filter-cartridge arranged sequentially from outside to inside. The fine filtration filter-cartridge includes a first water collecting pipe and a fine filtration membrane. The activated carbon filter-cartridge includes: a second water collecting pipe, an outer circumferential wall of the second water collecting pipe except a lower end thereof and an inner circumferential wall of the first water collecting pipe being spaced apart from each other; and a activated carbon, lower ends of the activated carbon and the second water collecting pipe being in sealed connection, a water outlet hole being formed in the activated carbon and penetrating the activated carbon axially, and an upper end of the water outlet hole being closed.
    Type: Application
    Filed: January 5, 2018
    Publication date: May 10, 2018
    Inventor: Xingzhi ZHANG
  • Publication number: 20170349454
    Abstract: A water purification system includes: a composite filter cartridge including a pretreatment filter cartridge and a filter membrane assembly; a raw water inlet pipe; a pure water outlet pipe; a pretreated water pipe; a booster pump; a water quality detecting device disposed to the raw water inlet pipe and/or the pure water outlet pipe and configured to detect water quality in the raw water inlet pipe and the pure water outlet pipe; and a control device connected to the water quality detecting device and configured to determine service life of the composite filter cartridge and/or judge whether the composite filter cartridge has lost efficacy according to information detected by the water quality detecting device.
    Type: Application
    Filed: July 31, 2017
    Publication date: December 7, 2017
    Inventors: Xuegang Cai, Lei Liu, Xingzhi Zhang
  • Publication number: 20160361673
    Abstract: A water purification system (1) includes a composite filter cartridge (100) that includes a pretreatment filter cartridge (110) and a filtration membrane assembly (120), and is provided with a raw water inlet (130), a pretreatment water outlet (140), a pressurizing pretreatment water inlet (150), a pure water outlet (160) and a condensed water outlet (170); a raw water inlet pipe (200) connected with the raw water inlet (130); a pure water outlet pipe (300) connected with the pure water outlet (160); a condensed water outlet pipe (400) connected with the condensed water outlet (170); a pretreatment water outlet pipe (500) connected with the pretreatment water outlet (140); a pressurizing pretreatment water inlet pipe (600) connected with the pressurizing pretreatment water inlet (150) and the pretreatment water outlet pipe (500) respectively; and a booster pump (900) disposed on the pretreatment water outlet pipe (500).
    Type: Application
    Filed: April 30, 2015
    Publication date: December 15, 2016
    Inventors: Xuegang CAI, Xingzhi ZHANG