Patents by Inventor Yanfen Lv

Yanfen Lv 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).

  • Patent number: 11091868
    Abstract: A washing machine comprises an inner drum, wherein a drum bottom of the inner drum is installed with an inner drum bottom cover, and the inner drum bottom cover is in sealed connection with the drum bottom of the inner drum to form a sealed space. Such a setting avoids problems of breeding of bacteria and generation of smudge caused when washing water enters the inner drum bottom cover and is deposited in a chamber formed between the inner drum bottom cover and the drum bottom of the inner drum in a process of washing clothes by a washing machine.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: August 17, 2021
    Assignees: CHONGQING HAIER DRUM WASHING MACHINE CO., LTD., HAIER SMART HOME CO., LTD.
    Inventors: Huacheng Song, Sheng Xu, Yanfen Lv
  • Patent number: 11066777
    Abstract: Cleaning particles are arranged in a space between the inner tub and the outer tub of a washing machine. A drainage and dewatering control method comprises: opening a drainage valve; determining the amount of the cleaning particles per each unit volume of water in the space; and controlling the rotating speed of the inner tub. Drainage and dewatering processes are divided into at least two control stages according to the amount of the cleaning particles per each unit volume of water in the space, different rotating ways of the inner tub are set in respective stages, and the rotating speed of the inner tub is higher in the stage that the amount of the cleaning particles per unit volume of water is larger. A control stage is selected according to the detected amount of the cleaning particles per unit volume of water in the space.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: July 20, 2021
    Assignees: CHONGQING HAIER WASHING MACHINE CO., LTD., HAIER SMART HOME CO., LTD.
    Inventors: Sheng Xu, Zunan Liu, Yanfen Lv
  • Publication number: 20210156069
    Abstract: A drum washing machine comprises a body, a door, an inner drum and a drain channel. The drum is rotatably arranged in the body. A delivery port is on a front portion of the drum, and the door is on a front portion of the body corresponding to the delivery port of the drum. A sealing sleeve is arranged on a portion, corresponding to a periphery of the delivery port, of the inner drum. A sealing connecting piece is arranged at a portion, corresponding to a periphery of the door, of the body, and the sealing connecting piece is connected with the sealing sleeve and rotates relative to the drum; and one end of the drain channel extends into the interior of the sealing connecting piece and communicates with the drum, and the other end of the drain channel communicates with a drain valve.
    Type: Application
    Filed: May 8, 2018
    Publication date: May 27, 2021
    Applicant: QINGDAO HAIER DRUM WASHING MACHINE CO., LTD.
    Inventors: Yanfen LV, Sheng XU, Yimin LI, Yang LI
  • Publication number: 20210131006
    Abstract: A drum washing machine comprises an inner drum rotatable. Both ends of the inner drum are closed and rotatably mounted on a supporting device through rotating shafts, respectively. A side wall of the inner drum is provided with an input port for taking and putting items. A sealing inner cover capable of being opened/closed is mounted at the input port. A water flow passage for feeding water and/or draining water is arranged in at least one of the rotating shafts at both ends of the inner drum. The whole inner drum may be made into a drum without any hole. During the washing process, washing water is held in the inner drum, and the inner drum rotates to wash clothes. The two closed ends of the inner drum are rotatably mounted on the supporting device through the rotating shafts, thus realizing rotation of the inner drum.
    Type: Application
    Filed: May 8, 2018
    Publication date: May 6, 2021
    Applicant: QINGDAO HAIER DRUM WASHING MACHINE CO., LTD.
    Inventors: Peishi LV, Sheng XU, Chunfeng LAO, Yanfen LV, Yimin LI
  • Publication number: 20210131020
    Abstract: A drum washing machine comprises a machine body, a door body, an inner drum and a water feeding device. The inner drum is rotatably arranged in the machine body, and holds water in a washing. A front part of the inner drum is provided with an input port for taking and putting clothes. The door body is mounted at a front part of the machine body corresponding to the input port of the inner drum for opening or closing the input port. An end with the input port of the inner drum is hermetically connected with the door body in a relatively rotating manner. The water feeding device includes a first water feeding pipe connected with an external water source, a water collection sump corresponding to the first water feeding pipe arranged on the door body, and a second water feeding pipe arranged in the door body.
    Type: Application
    Filed: May 8, 2018
    Publication date: May 6, 2021
    Applicant: QINGDAO HAIER DRUM WASHING MACHINE CO., LTD.
    Inventors: Sheng XU, Chunfeng LAO, Yanfen LV, Yimin LI, Peishi LV
  • Publication number: 20210115615
    Abstract: A washing barrel of a washing machine is rotatably installed within a cabinet of the washing machine as a structure for containing clothes and washing water. The washing barrel includes a drainage channel arranged on an outer side of the washing barrel for allowing water to be drained downwards, and an internal face of at least one side, away from the washing barrel, of the drainage channel gradually deviates away from a central axis of the washing barrel from top to bottom. The washing machine comprises the cabinet, the washing barrel, a mounting plate installed below a bottom of the washing barrel and configured to support the washing barrel, and the mounting plate is connected with the cabinet via a damping part.
    Type: Application
    Filed: April 27, 2018
    Publication date: April 22, 2021
    Applicants: QINGDAO HAIER WASHING MACHINE CO., LTD., QINGDAO HAIER SMART TECHNOLOGY R&D CO., LTD.
    Inventors: Xinghui HAO, Chunfeng LAO, Sheng XU, Yanfen LV, Di WU, Yimin LI
  • Publication number: 20210087740
    Abstract: A washing equipment comprises a wash barrel and a water outlet guide assembly, the wash barrel is rotatable, wherein an inside of the wash barrel holds water during washing, and an upper part of a barrel wall is provided with a water outlet; the water outlet guide assembly is arranged on the barrel wall and communicates with the water outlet, wherein water inside the wash barrel is emitted through the water outlet at the upper part and enters the water outlet guide assembly, which guides water downwards to be discharged. The water outlet guide assembly of the washing equipment directly communicates with the inside of the wash barrel, to directly guide out water inside the wash barrel downwards, thereby avoiding an influence on the rotating balance of the wash barrel when washing water is concentrated on an upper end of the wash barrel.
    Type: Application
    Filed: November 5, 2018
    Publication date: March 25, 2021
    Applicants: QINGDAO HAIER WASHING MACHINE CO., LTD., HAIER SMART HOME CO., LTD.
    Inventors: Sheng XU, Yanfen LV, Di WU, Xinghui HAO, Peishi LV
  • Patent number: 10947657
    Abstract: A steam generating device for a washing machine and a washing machine are disclosed. The steam generating device includes a heating pipe connected to a heating control unit. A steam heating chamber is further arranged above the heating pipe. A cover plate component for facilitating escaping of steam and supplementation of cold water is arranged above the steam heating chamber. In the steam generating device, the steam heating chamber is arranged around the hot water pipe arranged on the bottom portion of a rear outer drum and the cover plate component is provided for engagement, such that continuous steam is generated in a washing process.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: March 16, 2021
    Assignee: Qingdao Haier Drum Washing Machine Co., Ltd.
    Inventors: Sheng Xu, Yanfen Lv, Zhiqiang Zhao
  • Publication number: 20210010189
    Abstract: A washing machine includes a washing barrel, a water collecting device for collecting the discharged water of the washing barrel and a drainage channel. A first drainage outlet is arranged on a lower part of a barrel wall. The drainage channel is arranged on an outer wall of the washing barrel, and communicates with the first drainage outlet, to guide water discharged from the washing barrel to a part below the washing barrel. An upper part of the drainage channel is provided with a water inlet, a lower part is provided with a water outlet. The drainage channel covers the first drainage outlet of the barrel wall in a sealed manner, and the water inlet communicates with the first drainage outlet. The water collecting device comprises a water collecting cavity and a second drainage outlet. The water outlet of the drainage channel, is arranged within the water collecting cavity.
    Type: Application
    Filed: March 6, 2019
    Publication date: January 14, 2021
    Applicants: QINGDAO HAIER WASHING MACHINE CO., LTD., HAIER SMART HOME CO., LTD.
    Inventors: Sheng XU, Yanfen LV, Xinghui HAO, Di WU, Peishi LV
  • Publication number: 20200370224
    Abstract: A washing machine includes an inner barrel and an outer barrel which are arranged in a washing machine shell. A suspension damping piece and a support damping piece are both connected between the washing machine shell and the outer barrel. The suspension damping piece suspends the outer barrel in the washing machine shell and the support damping piece supports the outer barrel. The support damping piece and the suspension damping piece work together to reduce the shaking of the inner barrel and the outer barrel. The washing machine includes various kinds of damping pieces which are installed to realize mutual coordination and cooperative shock absorption, so that the vibration of the washing machine in all directions can be reduced. Also, the probability that the barrel assembly hits the washing machine shell in the washing process can be greatly reduced.
    Type: Application
    Filed: August 3, 2018
    Publication date: November 26, 2020
    Applicant: QINGDAO HAIER WASHING MACHINE CO., LTD.
    Inventors: Xinghui HAO, Sheng XU, Yanfen LV, Di WU, Peishi LV
  • Publication number: 20200299891
    Abstract: A washing machine comprises a cabinet, a washing drum rotatably arranged in the cabinet, wherein the washing drum is a water holding drum to accommodate washing water, a water drainage channel which discharges water from top to bottom is arranged at an inner side of a peripheral wall of the washing drum, an upper end of the water drainage channel communicates with the inside of a washing drum, and a lower end communicates with the outside of the washing drum. The water drainage channel comprises a water channel casing and at least part of a washing drum wall, and one side, facing the washing drum wall, of the water channel casing is provided with a cut-through groove, the water channel casing is fastened on the washing drum wall, and forms a water flow channel together with the washing drum wall.
    Type: Application
    Filed: March 16, 2018
    Publication date: September 24, 2020
    Applicants: QINGDAO HAIER WASHING MACHINE CO., LTD., QINGDAO HAIER SMART TECHNOLOGY R&D CO., LTD.
    Inventors: Chunfeng LAO, Sheng XU, Yanfen LV, Xinghui HAO, Yimin LI, Di WU
  • Patent number: 10745843
    Abstract: A door at the front opening of a drum washing machine has an inner and outer double-layer structure. The inner door is hinged with the case of the washing machine to partially open/close the front opening. An opening is provided at an upper part of the inner door, and the outer door is hinged with the inner door to open/close the opening at the upper part of the inner door. The inner door and the outer door cooperate to fully open/close the front opening of the case. If the user wants to add laundry or detergent to the washing machine during the washing process, the water inside the washing machine does not need to be completely discharged before the door is open. Laundry or detergent can be added to the washing machine through the inner door upper part opening.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: August 18, 2020
    Assignee: QINGDAO HAIER DRUM WASHING MACHINE CO., LTD.
    Inventors: Sheng Xu, Yanfen Lv, Huacheng Song
  • Publication number: 20200232141
    Abstract: An impeller-type washing machine comprises a box body, an outer tub and an inner tub, the outer tub is arranged in the box body, the inner tub is installed in the outer tub, an upper part of the outer tub is fixedly connected with the box body, a damping device configured to reduce vibration of the outer tub is arranged below the outer tub in the box body, an upper edge of the outer tub is fixedly connected with an upper part of the box body, and there is a space between a side wall of the outer tub and an inner wall of the box body. A space between the outer tub and the box body is reduced, and effective washing volume of a washing machine is increased; meanwhile, vibration of a washing machine is reduced, and a better damping effect is achieved.
    Type: Application
    Filed: January 20, 2018
    Publication date: July 23, 2020
    Applicant: QINGDAO HAIER WASHING MACHINE CO., LTD.
    Inventors: Sheng XU, Yanfen LV, Huacheng SONG
  • Publication number: 20200217000
    Abstract: A washing machine includes a box body, an inner tub in the box body, a device for driving the inner tub to rotate, and a water collecting device at the bottom of the inner tub. The inner tub is a water containing tub during washing/rinsing. The outer wall of the inner tub is provided with a dewatering channel communicating with the inner tub for draining water discharged from the inner tub. The water collecting device includes a water collecting cavity with an upper opening, the bottom wall of the water collecting cavity is provided with a recessed portion, and a water outlet end of the dewatering channel downwardly extends into the recessed portion. The outlet end of the dewatering channel is inserted into the recessed portion on the bottom wall of the water collecting cavity, so that water collection and drainage are facilitated.
    Type: Application
    Filed: July 3, 2018
    Publication date: July 9, 2020
    Applicants: QINGDAO HAIER WASHING MACHINE CO., LTD., QINGDAO HAIER SMART TECHNOLOGY R&D CO., LTD.
    Inventors: Di WU, Xinghui HAO, Yimin LI, Chunfeng LAO, Yanfen LV, Sheng XU, Peishi LV
  • Publication number: 20200157725
    Abstract: A washing machine and a control method are provided. The washing machine includes an inner tub for accommodating water, a water collection structure for collecting water drained from the inner tub and a drainage control apparatus communicating with the water collection structure. The drainage control apparatus controls drainage according to a water level in the water collection structure. A detection apparatus is arranged to detect the water level in the water collection structure, and transmit a detection result to a main control apparatus to realize real-time monitoring. Through the arrangement of a drainage apparatus for draining the water in the water collection structure, the drainage apparatus is electrically connected with the main control apparatus, and the main control apparatus controls the drainage apparatus to drain or not to drain the water in the water collection structure according to the detection result of the detection apparatus.
    Type: Application
    Filed: April 12, 2018
    Publication date: May 21, 2020
    Applicant: QINGDAO HAIER WASHING MACHINE CO., LTD.
    Inventors: Peishi LV, Sheng XU, Yanfen LV, Xinghui HAO, Di WU
  • Publication number: 20200149208
    Abstract: The disclosure relates to a draining structure of a washing machine. An inner drum is installed in a housing of the washing machine, a drain port is arranged on the inner drum, and a drain valve is installed at the drain port; the washing machine is further provided with a positioning and locking mechanism for rotating the inner drum to a fixed drainage position and locking the inner drum; and the washing machine is provided with an opening mechanism of a valve core for opening the drain valve after the inner drum rotating to the fixed drainage position. When the washing machine is in a draining state, the drain valve is opened after the inner drum rotating to the fixed drainage position to discharge the washing water in the inner drum.
    Type: Application
    Filed: April 27, 2018
    Publication date: May 14, 2020
    Applicants: QINGDAO HAIER WASHING MACHINE CO., LTD., QINGDAO HAIER SMART TECHNOLOGY R&D CO., LTD.
    Inventors: Yimin LI, Chunfeng LAO, Xinghui HAO, Di WU, Sheng XU, Yanfen LV
  • Publication number: 20200141044
    Abstract: A washing machine comprises a casing, a washing drum assembly arranged inside the casing and a driving device arranged on a lower part of the washing drum assembly, and further comprises a fixed structure fixedly connected with the washing drum assembly and/or the driving device and a supporting structure arranged at the bottom of a casing, wherein the fixed structure is supported on the supporting structure and configured to support the washing drum assembly and the driving device inside the casing, and the fixed structure and the supporting structure cooperate with each other, such that the supporting structure provides supporting forces in multiple directions for the fixed structure. Through setting a fixed structure and a supporting structure, use of suspension damping pieces is reduced, thereby being more beneficial for capacity expansion, and reducing shaking of a washing drum assembly.
    Type: Application
    Filed: April 12, 2018
    Publication date: May 7, 2020
    Applicant: QINGDAO HAIER WASHING MACHINE CO., LTD.
    Inventors: Sheng XU, Yanfen LV, Liang XU, Xinghui HAO, Peishi LV
  • Publication number: 20200123695
    Abstract: A washing machine belongs to the field of washing machines and comprises a water collection structure for stopping water drained from an inner tub out of overflowing and a drainage structure for draining the water in the water collection structure, the inner tub comprises a tub body and a tub bottom arranged at a lower part of the tub body, the water collection structure is located outside the tub bottom of the inner tub. The spacing distance between the tub body and a case body of washing machine is greater by locating the water collection structure outside the tub bottom of the inner tub, so that greater-extent capacity expansion may be realized, and the washing machine is reasonable in design, simple in structure and low in cost.
    Type: Application
    Filed: April 12, 2018
    Publication date: April 23, 2020
    Applicant: QINGDAO HAIER WASHING MACHINE CO., LTD.
    Inventors: Peishi LV, Sheng XU, Yanfen LV, Xinghui HAO, Di WU
  • Publication number: 20200087834
    Abstract: A drum washing machine and a control method for opening a door of the drum washing machine during running are provided. The control method comprises the following steps: S1, receiving a door opening instruction sent by a user; S2, judging whether a water level at a front end of a drum assembly of the drum washing machine satisfies a condition of opening the door, if yes, entering step S4, if no, entering step S3; S3, tilting the drum assembly with a tilting mechanism, and then returning to step S2; and S4, unlocking a door lock. Through a manner of lifting a front end of the drum assembly, the operation of opening the door during running is realized. In this way, the original parts of the washing machine do not need to be changed.
    Type: Application
    Filed: December 19, 2017
    Publication date: March 19, 2020
    Applicant: QINGDAO HAIER DRUM WASHING MACHINE CO., LTD.
    Inventors: Yanfen LV, Sheng XU, Huacheng SONG
  • Publication number: 20200087841
    Abstract: The disclosure relates to a draining structure of a washing machine and a draining method. An inner drum is installed in a housing of the washing machine. The inner drum is a tapered drum with a smaller diameter at one end and a larger diameter at the other end. A draining flow passage is arranged at the larger diameter end. One end of the draining flow passage communicates with the larger diameter end. The other end of the draining flow passage penetrates the inner drum and communicates with a drain pipe. The inner drum rotates and washing water flows to the larger diameter end along the tapered inner wall by centrifugal force. Washing water is drained out from the inner drum through the draining flow passage arranged at the larger diameter end and then drained out through the drain pipe to realize the discharge of washing water.
    Type: Application
    Filed: April 27, 2018
    Publication date: March 19, 2020
    Applicants: QINGDAO HAIER WASHING MACHINE CO., LTD., QINGDAO HAIER SMART TECHNOLOGY R&D CO., LTD.
    Inventors: Yimin LI, Chunfeng LAO, Di WU, Xinghui HAO, Sheng XU, Yanfen LV