Patents by Inventor Lingchen Wang

Lingchen Wang 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: 20220106724
    Abstract: Disclosed are a washing barrel of washing machine and washing machine having same. The washing tub includes a dewatering port, formed in a tub wall of the washing tub and configured as an opening structure for guiding washing water out of the washing tub; and a water guide structure, arranged on the tub wall of the washing tub and communicated with the dewatering port, the water guide structure and an outer wall of the washing tub form a water guide chamber structure for guiding washing water below the washing tub; the washing tub is configured, during washing process, as a tub body for holding washing water; a portion, below the dewatering port, of the tub wall of the washing tub is impermeable. An outer wall of the water guide structure far away from the washing tub is provided with an arc-shaped portion.
    Type: Application
    Filed: March 5, 2019
    Publication date: April 7, 2022
    Applicants: QINGDAO HAIER WASHING MACHINE CO., LTD., HAIER SMART HOME CO., LTD.
    Inventors: Baozhen CHENG, Lingchen WANG, Mei LI, Jinsheng DONG, Tao GONG, Shuo WANG, Juanjuan ZHANG
  • Patent number: 11072881
    Abstract: A drainage control mechanism comprises a valve plug capable of being stretchable and retractable, wherein the valve plug moves upwards to close the drainage port of an inner tub, and moves downwards to open the drainage port. A lower end of the valve plug is connected with a link of a crank-link structure, an idle stroke is arranged between the link and a crank, and/or between the link and the valve plug. When the valve plug sticks out but not into the drainage port, the valve plug will stick to the bottom of the inner tub, the driving motor drives the crank or the link to move in the idle stroke. When the driving motor drives to move over the highest point, the driving motor further drives the valve plug to move downwards to reset and to re-enter the next working circle.
    Type: Grant
    Filed: August 9, 2016
    Date of Patent: July 27, 2021
    Assignees: HAIER SMART HOME CO., LTD., CHONGQING HAIER WASHING MACHINE CO., LTD.
    Inventors: Hai Shu, Baozhen Cheng, Lin Yang, Lingchen Wang, Dafeng Fang, Jie Xu
  • Patent number: 11060225
    Abstract: A control method of a water-saving washing machine and washing machine, of which a locking hole and a drainage port are formed in a bottom of an inner tub, and a locking mechanism and a drainage control mechanism are arranged at the bottom of an outer tub, comprising: Step I: carrying out a washing/rinsing procedure, a master control board controlling the locking mechanism to couple with the locking hole to lock the inner tub, and the drainage control mechanism blocking off the drainage port, supplying water to the inner tub, starting washing; Step II: carrying out a drainage procedure, the master control board controlling the drainage control mechanism to open the drainage port, water in the inner tub being drained; Step III: carrying out a dewatering procedure, the master control board controlling the locking mechanism to release the inner tub to drive the inner barrel to rotate for dehydration.
    Type: Grant
    Filed: August 9, 2016
    Date of Patent: July 13, 2021
    Assignee: QINGDAO HAIER WASHING MACHINE CO., LTD.
    Inventors: Peishi Lv, Lin Yang, Jie Xu, Dafeng Fang, Lingchen Wang
  • Publication number: 20210054558
    Abstract: The present disclosure discloses a washing machine, including a washing drum, being a water containing tub during washing; a balancing ring, arranged on the washing drum; and a sealing structure, configured to prevent water from overflowing between the washing drum and the balancing ring. According to the washing machine, capacity of the washing drum can be expanded; and meanwhile, since the sealing structure is arranged between the washing drum and the balancing ring, water is prevented from overflowing out of the washing drum between the washing drum and the balancing ring, so as not to corrode a washing machine case or other components due to splashing as time goes, or not to cause short circuit.
    Type: Application
    Filed: March 5, 2019
    Publication date: February 25, 2021
    Applicants: QINGDAO HAIER WASHING MACHINE CO., LTD., HAIER SMART HOME CO., LTD.
    Inventors: Baozhen CHENG, Lingchen WANG, Guangbin SUN, Kaihong ZHANG, Tao GONG, Juanjuan ZHANG
  • Publication number: 20200407908
    Abstract: A washing machine includes a washing tub which can be used for containing water during a washing process and a water collecting device used for collecting drain water from the washing tub, wherein the water collecting device includes a water collecting cavity, and the water collecting cavity is internally provided with a volume expansion structure for expanding a volume of the water collecting cavity. The water collecting cavity of the water collecting device of the present disclosure is internally provided with the volume expansion structure for expanding the volume of the water collecting cavity, and the volume expansion structure achieves a purpose of expanding the volume by outward expanding the water collecting cavity as much as possible under the condition that a height of the water collecting device remains unchanged, so that the problem of water splashing or overflow in the water collecting device is avoided.
    Type: Application
    Filed: March 7, 2019
    Publication date: December 31, 2020
    Applicants: QINGDAO HAIER WASHING MACHINE CO., LTD., HAIER SMART HOME CO., LTD.
    Inventors: Baozhen CHENG, Lingchen WANG, Mei LI, Jinsheng DONG, Shuo WANG, Juanjuan ZHANG
  • Patent number: 10704181
    Abstract: A first positioning structure is arranged at the bottom of the inner tub of a washing machine, and a second positioning structure is arranged at the bottom of the outer tub. When the two positioning structures come into concave-convex cooperation, the inner tub is locked; and when the two positioning structures separate from each other, the inner tub is unlocked. A locking hole is formed at the bottom of the inner tub; a stretchable and contractible locking rod is arranged at the bottom of the outer tub; when the locking rod projects into the locking hole, the inner tub is locked; and when the locking rod separates from the locking hole, the inner tub is unlocked. During washing, the inner tub is locked without water between the inner tub and the outer tub.
    Type: Grant
    Filed: November 23, 2015
    Date of Patent: July 7, 2020
    Assignee: QINGDAO HAIER WASHING MACHINE CO., LTD.
    Inventors: Peishi Lv, Lin Yang, Lingchen Wang, Yun Tian, Baozhen Cheng, Gangjin Zhang
  • Patent number: 10612178
    Abstract: A locking mechanism of an inner tub comprises a locking rod and a driving unit for moving the locking rod in an axial direction. A lower end of the locking rod is connected with a link of a crank-link structure, and an idle stroke is arranged between the link and a crank and/or between the link and the locking rod. A locking hole is formed in the bottom of the inner tub. When the locking rod sticks out but not into the locking hole, the locking rod sticks to the bottom of the inner tub, the driving motor drives the crank or the link to move in the idle stroke. When the driving motor drives to move over the highest point, the driving motor further drives the locking rod to move downwards to reset and to re-enter the next working circle.
    Type: Grant
    Filed: August 9, 2016
    Date of Patent: April 7, 2020
    Assignee: QINGDAO HAIER WASHING MACHINE CO., LTD.
    Inventors: Peishi Lv, Lin Yang, Jie Xu, Dafeng Fang, Lingchen Wang
  • Patent number: 10577740
    Abstract: In a washing machine, a discharge hole is formed at the bottom of an inner tub, and a discharge control mechanism capable of blocking the discharge hole is arranged at the bottom of an outer tub; the discharge control mechanism includes a stretchable and contractible valve plug; the valve plug moves upward to close the discharge hole; and the valve plug moves downward to open the discharge hole. During washing, the discharge hole is closed, there is no washing water between the inner tub and the outer tub, resulting in the characteristic of water conservation; and during draining and/or dewatering, the first discharge hole is opened, and the washing water in the inner tub and impurities such as dirt and sand from the clothes are discharged via the discharge hole at the lower part to the outer tub, thus achieving quick draining and good draining and contamination discharging effect.
    Type: Grant
    Filed: November 23, 2015
    Date of Patent: March 3, 2020
    Assignee: QINGDAO HAIER WASHING MACHINE CO., LTD.
    Inventors: Peishi Lv, Lin Yang, Lingchen Wang, Yun Tian, Baozhen Cheng, Gangjin Zhang
  • Patent number: 10563336
    Abstract: The inner tub of a washing machine comprises a tub body, a balancing ring at the upper part of the tub body and a tub bottom at the lower part of the tub body. An annular necking structure, whose inside diameter is smaller than that of the tub body, is arranged on the tub body and positioned below the balancing ring, a plurality of dewatering holes are distributed at the necking structure and/or between the necking structure and the balancing ring. A disconnected type filtering cover on the internal wall of the tub body and positioned below the necking structure comprises a main body and an auxiliary block, the auxiliary block is arranged above the main body and below the necking structure and is located at the upper part of the inner tub, and a water passing gap is arranged between the auxiliary block and the main body.
    Type: Grant
    Filed: September 14, 2016
    Date of Patent: February 18, 2020
    Assignee: QINGDAO HAIER WASHING MACHINE CO., LTD.
    Inventors: Lin Yang, Hu Ji, Zunan Liu, Lingchen Wang, Guofang Zhu
  • Patent number: 10358762
    Abstract: A washing machine has cleaning particles provided between an outer barrel and an inner barrel. A water outlet on the outer barrel communicates with a drainage device including a drain valve body having a particle receiving and discharging chamber and a drainage chamber. The particle collecting and discharging chamber has a water inlet. The drainage chamber has a water outlet. A particle filtering structure is provided between the particle receiving and discharging chamber and the drainage chamber. One side of the particle collecting and discharging chamber has an opening with a sealing cover including an outer cover and an insertion portion inserted through the opening, and fitting the edge wall of the particle receiving and discharging chamber. An inner wall of the insertion portion has a plurality of protrusions for supporting the cleaning particles. Gaps between the protrusions are smaller than a minimum diameter of the cleaning particles.
    Type: Grant
    Filed: November 18, 2014
    Date of Patent: July 23, 2019
    Assignee: QINGDAO HAIER WASHING MACHINE CO., LTD.
    Inventors: Peishi LV, Lin Yang, Zunan Liu, Lingchen Wang, Yunlong Tian, Yanni Jiang, Weihai Li
  • Publication number: 20190145040
    Abstract: A locking mechanism for an inner tub comprises a locking rod capable of reciprocating along an axial direction, and a driving unit for driving the locking rod to move; and the locking mechanism further comprises a position switch with a triggering structure arranged on the locking rod. A locking hole is formed in the bottom of the inner tub of the washing machine; after the locking rod sticks into the locking hole and is locked in place, the triggering structure triggers the position switch, and the position switch sends out a locked-in-place signal; and after the locking rod retracts from the locking hole and is subjected to retracting resetting, the triggering structure triggers the position switch, an unlocked-in-place signal is sent out, and thus, a master control board of the washing machine can control the washing machine to perform a procedure of the next step.
    Type: Application
    Filed: August 9, 2016
    Publication date: May 16, 2019
    Applicant: Qingdao Haier Washing Machine Co., Ltd
    Inventors: Peishi LV, Lin Yang, Jie Xu, Dafeng Fang, Lingchen Wang
  • Patent number: 10253446
    Abstract: A thread debris filtering apparatus includes a thread debris filter, where the thread debris filter includes a filter front cover (100) and a filter rear cover (200) connected with the filter front cover; a water filtering part (110) is arranged on the filter front cover (100); a water inlet (220) is arranged in the filter rear cover (200); backflow prevention structures (210) are arranged on an inner wall of the filter rear cover (200); and the backflow prevention structures (210) are arranged at the lower part of the water inlet (220) and close to the water inlet (220).
    Type: Grant
    Filed: November 28, 2014
    Date of Patent: April 9, 2019
    Assignees: HAIER GROUP CORPORATION, QINGDAO HAIER WASHING MACHINE CO., LTD.
    Inventors: Peishi Lv, Lin Yang, Yunlong Tian, Lingchen Wang, Zunan Liu, Qinglong Ji, Weihai Li
  • Patent number: 10233580
    Abstract: The present disclosure discloses a freely rotating wave wheel having a housing cavity. The freely rotating wave wheel includes an impeller; an impeller rotating shaft is connected to the impeller; a freely rotatable impeller rotating wheel is installed on the impeller rotating shaft; and a housing cavity is arranged inside the impeller rotating wheel, and/or between the impeller rotating wheel and the impeller, and/or between the impeller rotating shaft and the impeller. Antibacterial and disinfectant substances or other substances beneficial to washing effects of clothes can be arranged in the housing cavity. When water enters into the washing machine to wash and rinse clothes, antibacterial and disinfectant substances or other substances beneficial to washing effects of clothes can effectively perform effects to purify water quality and prevent cross infection due to mixed washing of clothes, thereby generating a better washing effect.
    Type: Grant
    Filed: November 28, 2014
    Date of Patent: March 19, 2019
    Assignee: Haier Group Corporation
    Inventors: Peishi Lv, Lin Yang, Shunji Imai, Lingchen Wang, Yunlong Tian, Yanni Jiang
  • Publication number: 20190024283
    Abstract: A control method of a water-saving washing machine and washing machine, of which a locking hole and a drainage port are formed in a bottom of an inner tub, and a locking mechanism and a drainage control mechanism are arranged at the bottom of an outer tub, comprising: Step I: carrying out a washing/rinsing procedure, a master control board controlling the locking mechanism to couple with the locking hole to lock the inner tub, and the drainage control mechanism blocking off the drainage port, supplying water to the inner tub, starting washing; Step II: carrying out a drainage procedure, the master control board controlling the drainage control mechanism to open the drainage port, water in the inner tub being drained; Step III: carrying out a dewatering procedure, the master control board controlling the locking mechanism to release the inner tub to drive the inner barrel to rotate for dehydration.
    Type: Application
    Filed: August 9, 2016
    Publication date: January 24, 2019
    Applicant: Qingdao Haier Washing Machine Co., Ltd.
    Inventors: Peishi LV, Lin Yang, Jie Xu, Dafeng Fang, Lingchen Wang
  • Publication number: 20180347094
    Abstract: The present disclosure relates to a locking mechanism of an inner tub and a washing machine. The locking mechanism comprises a locking rod capable of reciprocating along an axial direction, a slideway for the movement of the locking rod and a driving unit for driving the locking rod to move, the driving unit comprises a link, a crank and a rotating motor; wherein, a bearing is mounted between the locking rod and the slideway. The bearing which mounted between the locking rod and the slideway, is to reduce the friction between the locking rod and the slideway, and to prevent the locking rod from moving unsmooth that caused by got stuck from the slideway. When the crank rotates to 90° or 270°, and the friction between the locking rod and the slideway is maximum, the locking rod is ensured to move smooth.
    Type: Application
    Filed: October 27, 2016
    Publication date: December 6, 2018
    Applicant: QINGDAO HAIER WASHING MACHINE CO., LTD.
    Inventors: Peishi LV, Lin YANG, Jie XU, Dafeng FANG, Lingchen WANG
  • Publication number: 20180347091
    Abstract: A pulsator of washing machine and a washing machine, a base body of the pulsator is disk-shaped. A central portion is arranged at and protrudes from a center of the base body of the pulsator, on an upper surface of the base body is provided with and a stirring blade protruding the base body and a groove, the stirring blade extends from the central portion of the base body to a outer periphery of the base body. Moreover, a bottom surface of the base body is provided with a smoothly undulating surface corresponding to the upper surface. The undulating surface does not stiffly protrude from the bottom surface of the base body, so there is no hard angle formed between the undulating surface, or between the undulating surface and the other surface of the base body.
    Type: Application
    Filed: November 8, 2016
    Publication date: December 6, 2018
    Applicant: QINGDAO HAIER WASHING MACHINE CO., LTD.
    Inventors: Baozhen CHENG, Lingchen WANG, Mei LI, Dejun WANG, Zunan LIU, Xiushun SONG
  • Patent number: 10113259
    Abstract: The present invention discloses a flange structure at a bottom of an inner tub of a washing machine, comprises a shaft joint portion locating at a center of the flange and an annular mounting portion which is fixedly connected with the bottom of the inner tub of the washing machine and is at an outer periphery of the shaft joint portion, and a plurality of connecting portions being provided between the mounting portion and the shaft joint portion. The connecting portions include a main rib extending from the mounting portion to the shaft joint portion, and a plurality of transverse ribs are arranged on both sides of the main rib along an extending direction of a main rib respectively in turn, and a filter portion is formed by the plurality of connecting portions cooperating together, which is a region between the mounting portion and the shaft joint portion.
    Type: Grant
    Filed: November 18, 2014
    Date of Patent: October 30, 2018
    Assignee: QINGDAO HAIER WASHING MACHINE CO., LTD.
    Inventors: Peishi LV, Lin Yang, Baozhen Cheng, Lingchen Wang, Zunan Liu
  • Publication number: 20180298545
    Abstract: A washing machine inner barrel and a washing machine are disclosed, the inner barrel comprises a barrel bottom and a barrel body connected thereto. The barrel bottom comprises a barrel bottom body and a barrel bottom protective cover. The barrel bottom protective cover is hermetically mounted on the bottom of the barrel bottom body so that the entire outer surface of the barrel bottom becomes a smooth surface. The outer surface of the barrel bottom protective cover of the washing machine inner barrel is a smooth flat surface, which is more conductive to the cleaning effect of the particles on the inner barrel bottom. The barrel bottom protective cover is hermetically connected with the bottom of the barrel bottom body so that a reinforcing rib structure is in an enclosed space to prevent washing water from entering the reinforcing rib structure.
    Type: Application
    Filed: November 18, 2016
    Publication date: October 18, 2018
    Applicant: QINGDAO HAIER WASHING MACHINE CO., LTD.
    Inventors: Baozhen CHENG, Lin YANG, Lingchen WANG, Tao GONG, Guofang ZHU, Longxian HAN, Xiushun SONG, Shuping LI
  • Publication number: 20180266038
    Abstract: A drainage control mechanism comprises a valve plug capable of being stretchable and retractable, wherein the valve plug moves upwards to close the drainage port of an inner tub, and moves downwards to open the drainage port. A lower end of the valve plug is connected with a link of a crank-link structure, an idle stroke is arranged between the link and a crank, and/or between the link and the valve plug. When the valve plug sticks out but not into the drainage port, the valve plug will stick to the bottom of the inner tub, the driving motor drives the crank or the link to move in the idle stroke. When the driving motor drives to move over the highest point, the driving motor further drives the valve plug to move downwards to reset and to re-enter the next working circle.
    Type: Application
    Filed: August 9, 2016
    Publication date: September 20, 2018
    Applicant: QINGDAO HAIER WASHING MACHINE CO., LTD.
    Inventors: Hai SHU, Baozhen CHENG, Lin YANG, Lingchen WANG, Dafeng FANG, Jie XU
  • Publication number: 20180266031
    Abstract: The inner tub of a washing machine comprises a tub body, a balancing ring at the upper part of the tub body and a tub bottom at the lower part of the tub body. An annular necking structure, whose inside diameter is smaller than that of the tub body, is arranged on the tub body and positioned below the balancing ring, a plurality of dewatering holes are distributed at the necking structure and/or between the necking structure and the balancing ring. A disconnected type filtering cover on the internal wall of the tub body and positioned below the necking structure comprises a main body and an auxiliary block, the auxiliary block is arranged above the main body and below the necking structure and is located at the upper part of the inner tub, and a water passing gap is arranged between the auxiliary block and the main body.
    Type: Application
    Filed: September 14, 2016
    Publication date: September 20, 2018
    Applicant: QINGDAO HAIER WASHING MACHINE CO., LTD.
    Inventors: Lin YANG, Hu JI, Zunan LIU, Lingchen WANG, Guofang ZHU