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).

  • Patent number: 12253295
    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: Grant
    Filed: September 9, 2020
    Date of Patent: March 18, 2025
    Assignees: 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: 20250052236
    Abstract: The present application discloses an oil supply device of a compressor, a compressor and a refrigeration equipment, the oil supply device of a compressor comprising: a piston cylinder with an inner chamber, a piston, an outer housing, and an oil intake passage and an oil discharge passage, the oil intake passage comprises an oil intake chamber, an oil inlet and an oil outlet; the side wall of the oil intake chamber has an arcuate flow guide portion to direct flow between the oil inlet and the oil outlet. The application can create a vortex in the oil intake chamber after the oil entering the oil intake chamber from the oil inlet, thereby improving the oil suction efficiency.
    Type: Application
    Filed: November 15, 2022
    Publication date: February 13, 2025
    Inventors: Feifei QI, Jianru LIU, Kui ZHANG, Yiming WANG, HuaIong CHI
  • Publication number: 20250052235
    Abstract: The present application discloses an oil supply device for a compressor, a compressor, and refrigeration equipment. The oil supply device for a compressor includes: a piston cylinder with an inner chamber, a piston, and an outer housing; the outer housing includes a housing body and a separator, the separator has a separation board and a partition plate, forming an oil chamber between the separation board and the bottom of the housing groove, the partition plate divides the oil chamber into an oil intake chamber and an oil discharge chamber; one end of the piston cylinder extends into the housing groove. This embodiment conveniently realizes the arrangement of the oil intake chamber and the oil discharge chamber on the outer housing.
    Type: Application
    Filed: November 15, 2022
    Publication date: February 13, 2025
    Inventors: Feifei QI, Jianru LIU, Kui ZHANG, Yiming WANG, Hualong CHI
  • Publication number: 20240426539
    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: September 6, 2024
    Publication date: December 26, 2024
    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
  • Patent number: 12173953
    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: Grant
    Filed: September 9, 2020
    Date of Patent: December 24, 2024
    Assignees: 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
  • Patent number: 12140255
    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: Grant
    Filed: August 4, 2021
    Date of Patent: November 12, 2024
    Assignees: QINGDAO HAIER SPECIAL REFRIGERATION ELECTRIC APPLIANCE CO., LTD., HAIER SMART HOME CO., LTD.
    Inventors: Peng Yang, Kui Zhang, Xiaobing Zhu, Jianru Liu, Jianquan Chen, Yanbin Wan
  • Patent number: 12111095
    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: Grant
    Filed: September 9, 2020
    Date of Patent: October 8, 2024
    Assignees: 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
  • Patent number: 12111093
    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: Grant
    Filed: February 18, 2020
    Date of Patent: October 8, 2024
    Assignees: 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: 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: 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
  • 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
  • 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