Patents by Inventor Jianru Liu

Jianru Liu 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: 20230408009
    Abstract: The utility model discloses a pipe connection mechanism, a refrigeration system having the same, and a refrigeration appliance. The pipe connection mechanism is used for connecting a flexible pipe and a rigid pipe, and includes: a joint pipe and a sleeve sleeving the flexible pipe, wherein the joint pipe has a first pipe part fixedly connected to the rigid pipe, and a second pipe part forward inserted into the flexible pipe and stretching the flexible pipe in an interference manner; and the sleeve backward sleeves the second pipe part and the sleeve and the second pipe part clamp and fix the flexible pipe together. The refrigeration system includes a rigid pipe and a flexible pipe which are fixedly connected in a fit manner through the pipe connection mechanism.
    Type: Application
    Filed: August 4, 2021
    Publication date: December 21, 2023
    Inventors: PENG YANG, KUI ZHANG, XIAOBING ZHU, JIANRU LIU, JIANQUAN CHEN, YANBIN WAN
  • Patent number: 11835289
    Abstract: Provided is a refrigerator (10), including: a cabinet (100) in which a cooling chamber (200) located at a lower side and at least one storage compartment located above the cooling chamber (200) are defined, a bottom air inlet (110a) and a bottom air outlet (110b) being provided in a bottom of the cabinet (100) in a transverse direction at an interval; a compressor chamber (300) arranged behind the cooling chamber (200), in which a compressor (104), a heat dissipation fan (106) and a condenser (105) are sequentially arranged; and a divider (117) configured to completely isolate the bottom air inlet (110a) from the bottom air outlet (110b), such that external air entering the condenser (105) and heat dissipation air discharged from the compressor (104) are not crossed. In the refrigerator (10), the freezing chamber (132) is raised, a user has no need to bend down much to access to the freezing chamber (132), and the use experience is improved.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: December 5, 2023
    Assignees: QINGDAO HAIER REFRIGERATOR CO., LTD., HAIER SMART HOME CO., LTD.
    Inventors: Jing Wang, Jianru Liu, Dongqiang Cao, Shengyuan Nie
  • Publication number: 20230383888
    Abstract: The present disclosure provides a noise reduction device. The noise reduction device includes an outer connecting tube, and the outer connecting tube includes a first end connected to a capillary tube and a second end connected to an evaporator, wherein a plurality of porous wire meshes arranged at an interval is disposed in the outer connecting tube, and side edges of the porous wire meshes abut against an inner wall surface of the outer connecting tube; and pore diameters of the plurality of porous wire meshes are gradually reduced from the first end to the second end.
    Type: Application
    Filed: July 19, 2021
    Publication date: November 30, 2023
    Inventors: PENG YANG, KUI ZHANG, JIANQUAN CHEN, JIANRU LIU
  • Publication number: 20230304720
    Abstract: Provided are a liquid reservoir for a refrigeration system, and a refrigerator. The liquid reservoir comprises: a drum body, a gas-liquid separation chamber being defined therein; and an air intake pipe, used for connecting to an evaporating pipe of an evaporator of the refrigeration system, and extending into the gas-liquid separation chamber from one end of the drum body, the end of the air intake pipe extending into the gas-liquid separation chamber being provided with a baffle opposite to a mouth of the air intake pipe, such that a mixture discharged from the air intake pipe hits the baffle and is discharged into the gas-liquid separation chamber from an interval between the baffle and the air intake pipe.
    Type: Application
    Filed: June 15, 2021
    Publication date: September 28, 2023
    Applicants: QINGDAO HAIER SPECIAL REFRIGERATOR CO., LTD, QINGDAO HAIER REFRIGERATOR CO., LTD., HAIER SMART HOME CO., LTD.
    Inventors: Jianquan CHEN, Jianru LIU, Dongqiang CAO
  • Publication number: 20230272964
    Abstract: Provided is a refrigerator having an evaporator disposed at the bottom of a refrigerator body. The refrigerator comprises: the refrigerator body having a bottom inner liner, the bottom inner liner defining a cooling compartment and a storage space, and the cooling compartment being disposed below the storage space; and the evaporator generally in the shape of a flat cuboid, arranged in the cooling component, and placed inclinedly along the depth direction of the refrigerator with respect to the horizontal direction, the direction of inclination being upward from front to back. By placing the evaporator inclinedly, the space utilization is improved, and an air path is further improved so that an airflow can flow more uniformly and smoothly throughout an air return process and the air circulation efficiency is improved.
    Type: Application
    Filed: August 4, 2021
    Publication date: August 31, 2023
    Inventors: Jian MA, Shaoyi WANG, Jianquan CHEN, Dongqiang CAO, Jianru LIU
  • Publication number: 20220373245
    Abstract: A refrigerator, including a cabinet in which a cooling chamber located at the lower part and at least one storage compartment located above the cooling chamber are defined; and an evaporator arranged in the cooling chamber and configured to cool airflow entering the cooling chamber to form cooling airflow, wherein a water pan is formed on a bottom wall of the cooling chamber below the evaporator, and used for receiving defrosted water generated by the evaporator, a slope structure is formed on an upper surface of the water pan, and the evaporator is obliquely arranged on the water pan. According to the refrigerator, the effective volume of the compartment is increased, and the overall height of the cooling chamber can be reduced.
    Type: Application
    Filed: September 9, 2020
    Publication date: November 24, 2022
    Applicants: QINGDAO HAIER REFRIGERATOR CO., LTD., HAIER SMART HOME CO., LTD.
    Inventors: Mengcheng LI, Jianru LIU, Xiaobing ZHU, Toshinori NODA, Hui LIU, Yunxi LIU
  • Publication number: 20220341651
    Abstract: A refrigerator comprises: a refrigerator body (10), at the interior of which a cooling chamber (11) and at least one storage space are confined, wherein the cooling chamber (11) is arranged at the bottom of the refrigerator body (10) and below the storage space; door bodies (20) arranged on a front surface of the refrigerator body (10) to operably open and close the storage space; and an evaporator (21), which is wholly horizontally placed in the shape of a flat cube in the cooling chamber (11) and configured to provide cold energy to the storage space, wherein a bottom wall of the cooling chamber (11) below the evaporator (21) is provided with a water pan (40) to receive condensate water generated by the evaporator (21), and the bottom of the water pan (40) is provided with compensation heating wires (80).
    Type: Application
    Filed: September 9, 2020
    Publication date: October 27, 2022
    Applicants: QINGDAO HAIER REFRIGERATOR CO., LTD., HAIER SMART HOME CO., LTD.
    Inventors: Xiaobing ZHU, Jianru LIU, Mengcheng LI, Shanshan LIU, Dongqiang CAO, Yang LIU, Yunxi LIU
  • Publication number: 20220341655
    Abstract: A refrigerator includes a cabinet, in which a cooling chamber and at least one storage space are defined, the cooling chamber being arranged at the bottom of the cabinet and directly below the storage space; a door body, which is arranged on a front surface of the cabinet so as to operably open and close the storage space; an evaporator, which is wholly horizontally placed in the cooling chamber in the shape of a flat cube, and is configured to provide cooling capacity to the storage space; and a liquid storage bag, which is arranged in the cooling chamber and connected to the evaporator. An included angle between a center line of the liquid storage bag and a horizontal line is 1° to 89°. A foam layer and a housing of the refrigerator may block the sound transmission of flow of a liquid refrigerant, to achieve a good sound insulation effect.
    Type: Application
    Filed: September 9, 2020
    Publication date: October 27, 2022
    Applicants: QINGDAO HAIER REFRIGERATOR CO., LTD., HAIER SMART HOME CO., LTD.
    Inventors: Mengcheng LI, Xiaobing ZHU, Jianru LIU, Shanshan LIU, Wei LI, Yang LIU, Yunxi LIU
  • Publication number: 20220128287
    Abstract: A refrigerator includes a lowermost storage liner, an evaporator, an air supply duct, and at least one air supply fan. A storage compartment and a cooling chamber positioned under the storage compartment are defined in the storage liner. The evaporator is disposed in the cooling chamber and is configured to cool air passing through the evaporator so as to form cooling air supplied to the storage compartment. The air supply duct is disposed in a space defined by the storage liner and is configured to convey the cooling air cooled by the evaporator to the storage compartment. The air supply fan is disposed in the air supply duct and is configured to promote air circulation between the cooling chamber and the storage compartment.
    Type: Application
    Filed: February 18, 2020
    Publication date: April 28, 2022
    Applicants: QINGDAO HAIER REFRIGERATOR CO., LTD., HAIER SMART HOME CO., LTD.
    Inventors: Xiaobing ZHU, Jianru LIU, Dongqiang CAO, Mengcheng LI, Jing WANG, Wei LI, Shanshan LIU, Yang LIU, Yunxi LIU
  • Publication number: 20220128289
    Abstract: Provided is a refrigerator (10), including: a cabinet (100) in which a cooling chamber (200) located at a lower side and at least one storage compartment located above the cooling chamber (200) are defined, a bottom air inlet (110a) and a bottom air outlet (110b) being provided in a bottom of the cabinet (100) in a transverse direction at an interval; a compressor chamber (300) arranged behind the cooling chamber (200), in which a compressor (104), a heat dissipation fan (106) and a condenser (105) are sequentially arranged; and a divider (117) configured to completely isolate the bottom air inlet (110a) from the bottom air outlet (110b), such that external air entering the condenser (105) and heat dissipation air discharged from the compressor (104) are not crossed. In the refrigerator (10), the freezing chamber (132) is raised, a user has no need to bend down much to access to the freezing chamber (132), and the use experience is improved.
    Type: Application
    Filed: February 19, 2020
    Publication date: April 28, 2022
    Applicants: QINGDAO HAIER REFRIGERATOR CO., LTD., HAIER SMART HOME CO., LTD.
    Inventors: Jing WANG, Jianru LIU, Dongqiang CAO, Shengyuan NIE
  • Patent number: 10969150
    Abstract: Disclosed is a refrigerator adopting a linear compressor and a control method thereof. The method includes: monitoring the temperature of an evaporator of the refrigerator; if the current temperature of the evaporator of the refrigerator is greater than or equal to a first preset temperature threshold, then invoking a noise reduction mode to actively reduce the heat exchange amount between the evaporator and a compartment of the refrigerator until the current temperature of the evaporator of the refrigerator is smaller than or equal to a second preset temperature threshold, and invoking a cooling mode to resume the normal heat exchange between the evaporator and the compartment of the refrigerator, wherein the first preset temperature threshold is higher than the second preset temperature threshold.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: April 6, 2021
    Assignee: QINGDAO HAIER JOINT STOCK CO., LTD.
    Inventors: Lisheng Ji, Jianru Liu, Xiaobing Zhu, Feifei Qi, Shufeng Zhang, Caiyun Zhao
  • Patent number: 10739066
    Abstract: A control method and control system of a refrigerator with an inverter compressor. The control method includes: calculating the total cooling amount needed by a compartment to be cooled within a unit time; taking the total cooling amount as a first power of the inverter compressor and calculating a first frequency of the inverter compressor operating at the first power; and controlling the inverter compressor to operate at the first frequency. The present invention effectively controls the power consumption amount while satisfying the refrigerator cooling condition by calculating the total cooling amount needed by a refrigerator compartment within a unit time and adjusting the frequency of the inverter compressor.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: August 11, 2020
    Assignee: QINGDAO HAIER JOINT STOCK CO., LTD.
    Inventors: Lisheng Ji, Jianru Liu, Xiaobing Zhu, Feifei Qi, Shufeng Zhang, Caiyun Zhao
  • Patent number: 10684059
    Abstract: The present invention relates to a refrigerator and a control method thereof. The present invention provides a refrigerator, comprising: a storage compartment; a refrigeration air passage configured to supply refrigeration air and comprising one or more refrigeration air outlets connected with the storage compartment such that a part or all of the refrigeration air in the refrigeration air passage is blown to the storage compartment via the one or more refrigeration air outlets; and a local air passage configured to receive refrigeration air from the refrigeration air passage and blow the received refrigeration air to a local area of the storage compartment in a concentrated manner. In addition, this invention also provides a control method of a refrigerator.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: June 16, 2020
    Assignees: QINGDAO HAIER SPECIAL REFRIGERATOR CO., LTD., QINGDAO HAIER JOINT STOCK CO., LTD.
    Inventors: Haibo Tao, Shengyuan Nie, Ke Wang, Jianru Liu
  • Patent number: 10684058
    Abstract: The invention provides a refrigerator, comprising a top air passage provided at a top wall of the storage compartment and connected with the refrigeration air passage to receive refrigeration air therefrom; an air guiding pipe comprising an air inlet end connected with the top air passage, an air outlet end for supplying air to the storage compartment, and an air outlet opening downwards; and a first air supply device configured to cause air flow to enter the air guiding pipe via the top air passage, such that the refrigeration air flowing into the top air passage from the refrigeration air passage is blown downwards in a concentrated manner via the air guiding pipe.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: June 16, 2020
    Assignees: QINGDAO HAIER REFRIGERATOR CO., LTD., QINGDAO HAIER JOINT STOCK CO., LTD.
    Inventors: Haibo Tao, Feifei Qi, Lisheng Ji, Jianru Liu
  • Patent number: 10655908
    Abstract: The present invention discloses a refrigerator controlling method and system with a linear compressor. The method comprises: monitoring an environment temperature T of the refrigerator located in the environment comparing the environment temperature T with a preset environment temperature threshold T0; if T is larger than T0, controlling a refrigerating unit and/or a heating unit in the refrigerator such that the refrigerator runs under a first operation condition; and if T is smaller than or equal to T0, controlling the refrigerating unit and/or the heating unit in the refrigerator such that the refrigerator runs under a second operation condition. When the linear compressor runs within predetermined time, a refrigeration amount of the linear compressor under the second operation condition is controlled to be larger than a refrigeration amount of the linear compressor under the first operation condition, such that a compartment of the refrigerator reaches a target temperature.
    Type: Grant
    Filed: August 15, 2016
    Date of Patent: May 19, 2020
    Assignee: QINGDAO HAIER JOINT STOCK CO., LTD.
    Inventors: Feifei Qi, Xiaobing Zhu, Jianru Liu, Lisheng Ji, Shufeng Zhang
  • Patent number: 10612822
    Abstract: A bent pipe and a semiconductor refrigerator having the same are provided. The bent pipe for a fluid to flow therein includes a plurality of bent portions; a plurality of connecting pipe sections, each connecting two adjacent bent portions; and a retention member, which is successively fixed at different locations along the length thereof to the bent portions on the same side of the bent pipe. At least some of the pipe sections of the bent pipe can be kept in the bent shape by a retention member.
    Type: Grant
    Filed: September 28, 2015
    Date of Patent: April 7, 2020
    Assignee: QINGDAO HAIER JOINT STOCK CO., LTD
    Inventors: Haibo Tao, Dong Yu, Peng Li, Jianru Liu, Dingyuan Wang, Chunyang Li, Feifei Qi, Lisheng Ji
  • Patent number: 10591196
    Abstract: The present invention discloses a refrigerator control method and system using a linear compressor. The control method comprises: monitoring an ambient temperature T of a refrigerator; comparing the ambient temperature T with a preset ambient temperature threshold T0; if T is greater than T0, controlling an output power of the linear compressor to be a preset first output power, and if T is smaller than or equal to T0, controlling the output power of the linear compressor to be a preset second output power, which is greater than the preset first output power. In the present invention, by increasing the stroke of the piston inside the linear compressor through controlling the output power of the linear compressor, the refrigerator can be guaranteed to work normally by avoiding protection of the linear compressor by the frequency converting board.
    Type: Grant
    Filed: August 15, 2016
    Date of Patent: March 17, 2020
    Assignee: QINGDAO HAIER JOINT STOCK CO., LTD
    Inventors: Feifei Qi, Xiaobing Zhu, Jianru Liu, Lisheng Ji, Shufeng Zhang
  • Patent number: 10539356
    Abstract: A sintered heat tube and a semiconductor cooling refrigerator having the same, the sintered heat tube comprises: a main tube segment with its both ends closed, and a manifold tube segment/manifold tube segments extending from one or more portions of one side of the main tube segment (respectively), wherein a work chamber of each manifold tube segment communicates with that of the main tube segment. In the sintered heat tube and the semiconductor cooling refrigerator having the sintered heat tube of the present invention, as the sintered heat tube includes manifold tube segments, the sintered heat tube of the present invention greatly improves the heat radiating or cold transferring efficiency. The sintered heat tube is particularly suitable for heat radiation of heat sources of a high heat flow density such as semiconductor cooling plates.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: January 21, 2020
    Assignee: QINGDAO HAIER JOINT STOCK CO., LTD.
    Inventors: Haibo Tao, Kui Zhang, Jianru Liu, Peng Li, Chunyang Li, Feifei Qi, Lisheng Ji
  • Patent number: 10247466
    Abstract: A freezing and refrigerating device comprises a box body and a door body. An air supply path supplying cooling air flow to a storage compartment, an air return path enabling the air flow from the storage compartment to pass, a cooling chamber and a defrosting air return path are defined in the box body, wherein the cooling chamber is provided with an air feeding opening part and an air return opening part and contains an evaporator, a blower and a defrosting heater, and the defrosting air return path is communicated with the air feeding opening part and the air return opening part of the cooling chamber. The air supply path and the defrosting air return path are provided with an air supply door and a defrosting air return door respectively. The present invention further provides a defrosting control method of the freezing and refrigerating device.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: April 2, 2019
    Assignee: QINDAO HAIER JOINT STOCK CO., LTD.
    Inventors: Haibo Tao, Jianru Liu, Feifei Qi, Lisheng Ji
  • Patent number: 10222114
    Abstract: A semiconductor refrigerator, which comprises: a liner; at least one semiconductor cooler; and a plurality of cold end heat exchanging devices, each of which is configured to allow the refrigerant to flow therein and undergo phase-change heat exchange to transfer cold from the cold end of the semiconductor cooler to the storage compartment of the liner. Each of the cold end heat exchanging devices has three refrigerant pipelines, each refrigerant pipeline having an evaporation section which is downwardly bent and extends in a vertical plane and has a closed tail end, the evaporation sections of the three refrigerant pipelines of each of the cold end heat exchanging devices being thermally connected to the rear wall and two side walls of the liner respectively.
    Type: Grant
    Filed: September 28, 2015
    Date of Patent: March 5, 2019
    Assignee: QINGDAO HAIER JOINT STOCK CO., LTD
    Inventors: Haibo Tao, Dong Yu, Peng Li, Jianru Liu, Dingyuan Wang, Chunyang Li, Feifei Qi, Lisheng Ji