Patents by Inventor Dongqiang CAO

Dongqiang CAO 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: 12196479
    Abstract: A refrigerator, comprising: a refrigerator body, comprising a storage liner at a bottommost position; a top cover, arranged to divide the storage liner into a storage space at the upper part and a cooling space at the lower part; and an evaporator, arranged in the cooling space and configured to cool airflow entering the cooling space to form cooling airflow; wherein the evaporator is placed on a bottom wall of the storage liner, and the bottom wall is provided with a limit structure at the front part and rear part of the evaporator respectively, to realize front and rear limits of the evaporator.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: January 14, 2025
    Assignees: QINGDAO HAIER REFRIGERATOR CO., LTD., HAIER SMART HOME CO., LTD.
    Inventors: Wei Li, Dongqiang Cao, Hui Liu
  • 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: 12150229
    Abstract: Disclosed is a heating device (100), including: a metal cylinder body (110) provided with a pick-and-place opening, a door body (120) configured to open and close the pick-and-place opening, an electromagnetic generating module (161) configured to generate an electromagnetic wave signal, and a radiating antenna (150). The radiating antenna (150) is configured to be electrically connected with the electromagnetic generating module (161) to generate electromagnetic waves of a corresponding frequency according to the electromagnetic wave signal. The heating device (100) further includes an antenna housing (130) made of an insulating material.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: November 19, 2024
    Assignees: HAIER SMART HOME CO., LTD., QINGDAO HAIER SPECIAL REFRIGERATION ELECTRIC APPLIANCE CO., LTD.
    Inventors: Haijuan Wang, Kunkun Zhao, Sen Mu, Dongqiang Cao
  • Patent number: 12130068
    Abstract: A refrigerator includes a top cover which separates a storage liner on a bottommost portion into a storage space located on an upper portion and a cooling space located on a lower portion. At least one return air hood is arranged at a front end of the top cover, the cooling space is jointly defined by the return air hood, the top cover and a bottom wall of the storage liner, and an evaporator is arranged in the cooling space. The return air hood includes a return air frame located on a front side and a return air rear cover inserted into the return air frame from an open rear end of the return air frame. The return air rear cover is arranged to separate a first opening formed in a front wall face of the return air frame into a first front return air inlet located on an upper portion and a second front return air inlet located on a lower portion, so that the visual attractiveness is achieved, and the fingers of children or foreign matter can be effectively prevented from entering the cooling space.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: October 29, 2024
    Assignees: QINGDAO HAIER REFRIGERATOR CO., LTD., HAIER SMART HOME CO., LTD.
    Inventors: Jing Wang, Xiaobing Zhu, Dongqiang Cao, Mingliang Jiang, Yuezhen Li
  • 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
  • Patent number: 12013173
    Abstract: A refrigerating and freezing device (1) includes a cabinet, wherein at least one storage compartment (11) is defined therein, and a heating cavity is defined in one of the storage compartments (11); and an electromagnetic heating device, configured to supply electromagnetic waves into the heating cavity so as to heat a to-be-processed object in the heating cavity, wherein the electromagnetic heating device is provided with an electromagnetic generation module (21) configured to produce an electromagnetic wave signal. A containing groove (12) with an upward opening is provided in a top of the cabinet (10), the opening of the containing groove (12) is covered with a cover (13) so as to define a containing space (14) between the containing groove (12) and the cover (13), and heat dissipation holes configured to achieve communication between the containing space (14) and an external environment where the cabinet (10) is located are provided in the cover (13).
    Type: Grant
    Filed: February 11, 2020
    Date of Patent: June 18, 2024
    Assignees: QINGDAO HAIER REFRIGERATOR CO., LTD., HAIER SMART HOME CO., LTD.
    Inventors: Haijuan Wang, Peng Li, Dongqiang Cao, Sen Mu
  • Patent number: 12007164
    Abstract: A refrigerating and freezing device (1) includes a cabinet, wherein at least one storage compartment (11) is defined therein, and a heating cavity is defined in one of the storage compartments (11); and an electromagnetic heating device, configured to supply electromagnetic waves into the heating cavity so as to heat a to-be-processed object, wherein the electromagnetic heating device is provided with an electromagnetic generation module (21) configured to produce an electromagnetic wave signal and a power supply module (24) configured to supply a power source to the electromagnetic generation module (21). A power supply box (40) is provided above a top of the cabinet (10), and heat dissipation holes configured to achieve communication between the interior of the power supply box (40) and an external environment where the power supply box (40) is located are provided in a box body of the power supply box (40).
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: June 11, 2024
    Assignees: QINGDAO HAIER REFRIGERATOR CO., LTD., HAIER SMART HOME CO., LTD.
    Inventors: Haijuan Wang, Peng Li, Dongqiang Cao
  • 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: 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: 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: 20220341654
    Abstract: A refrigerator, comprising: a refrigerator body, comprising a storage liner at a bottommost position; a top cover, arranged to divide the storage liner into a storage space at the upper part and a cooling space at the lower part; and an evaporator, arranged in the cooling space and configured to cool airflow entering the cooling space to form cooling airflow; wherein the evaporator is placed on a bottom wall of the storage liner, and the bottom wall is provided with a limit structure at the front part and rear part of the evaporator respectively, to realize front and rear limits of the evaporator. The height of the storage space above the cooling space is increased and the user experience is improved. The evaporator is placed on the bottom wall of the storage liner to realize the front and rear limits of the evaporator.
    Type: Application
    Filed: September 9, 2020
    Publication date: October 27, 2022
    Applicants: QINGDAO HAIER REFRIGERATOR CO., LTD., HAIER SMART HOME CO., LTD.
    Inventors: Wei LI, Dongqiang CAO, Hui LIU
  • Patent number: 11435128
    Abstract: A refrigerator (100) includes: a cabinet (110), in which are defined a cooling chamber (150) at a lower portion and a first storage compartment and a second storage compartment which are spaced side by side above the cooling chamber (150); and an evaporator, arranged in the cooling chamber (150) and configured to cool an airflow entering the cooling chamber (150) to form a cooled airflow. At least one first return air inlet communicated with the cooling chamber (150) is formed in a left sidewall of the first storage compartment such that a return airflow of the first storage compartment enters the cooling chamber (150) to be cooled via the first return air inlet. At least one second return air inlet communicated with the cooling chamber (150) is formed in a right sidewall of the second storage compartment such that a return airflow of the second storage compartment enters the cooling chamber (150) to be cooled via the second return air inlet.
    Type: Grant
    Filed: February 18, 2020
    Date of Patent: September 6, 2022
    Assignees: QINGDAO HAIER REFRIGERATOR CO., LTD., HAIER SMART HOME CO., LTD.
    Inventors: Shanshan Liu, Dongqiang Cao, Wei Li
  • Publication number: 20220154997
    Abstract: A refrigerator includes a top cover which separates a storage liner on a bottommost portion into a storage space located on an upper portion and a cooling space located on a lower portion. At least one return air hood is arranged at a front end of the top cover, the cooling space is jointly defined by the return air hood, the top cover and a bottom wall of the storage liner, and an evaporator is arranged in the cooling space. The return air hood includes a return air frame located on a front side and a return air rear cover inserted into the return air frame from an open rear end of the return air frame. The return air rear cover is arranged to separate a first opening formed in a front wall face of the return air frame into a first front return air inlet located on an upper portion and a second front return air inlet located on a lower portion, so that the visual attractiveness is achieved, and the fingers of children or foreign matter can be effectively prevented from entering the cooling space.
    Type: Application
    Filed: February 19, 2020
    Publication date: May 19, 2022
    Applicants: QINGDAO HAIER REFRIGERATOR CO., LTD., HAIER SMART HOME CO., LTD.
    Inventors: Jing WANG, Xiaobing ZHU, Dongqiang CAO, Mingliang JIANG, Yuezhen LI
  • 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
  • Publication number: 20220128297
    Abstract: A refrigerating and freezing device (1) includes a cabinet, wherein at least one storage compartment (11) is defined therein, and a heating cavity is defined in one of the storage compartments (11); and an electromagnetic heating device, configured to supply electromagnetic waves into the heating cavity so as to heat a to-be-processed object, wherein the electromagnetic heating device is provided with an electromagnetic generation module (21) configured to produce an electromagnetic wave signal and a power supply module (24) configured to supply a power source to the electromagnetic generation module (21). A power supply box (40) is provided above a top of the cabinet (10), and heat dissipation holes configured to achieve communication between the interior of the power supply box (40) and an external environment where the power supply box (40) is located are provided in a box body of the power supply box (40).
    Type: Application
    Filed: February 12, 2020
    Publication date: April 28, 2022
    Applicants: QINGDAO HAIER REFRIGERATOR CO., LTD., HAIER SMART HOME CO., LTD.
    Inventors: Haijuan WANG, Peng LI, Dongqiang CAO
  • Publication number: 20220113084
    Abstract: A refrigerating and freezing device (1) includes a cabinet, wherein at least one storage compartment (11) is defined therein, and a heating cavity is defined in one of the storage compartments (11); and an electromagnetic heating device, configured to supply electromagnetic waves into the heating cavity so as to heat a to-be-processed object in the heating cavity, wherein the electromagnetic heating device is provided with an electromagnetic generation module (21) configured to produce an electromagnetic wave signal. A containing groove (12) with an upward opening is provided in a top of the cabinet (10), the opening of the containing groove (12) is covered with a cover (13) so as to define a containing space (14) between the containing groove (12) and the cover (13), and heat dissipation holes configured to achieve communication between the containing space (14) and an external environment where the cabinet (10) is located are provided in the cover (13).
    Type: Application
    Filed: February 11, 2020
    Publication date: April 14, 2022
    Applicants: QINGDAO HAIER REFRIGERATOR CO., LTD., HAIER SMART HOME CO., LTD.
    Inventors: Haijuan WANG, Peng LI, Dongqiang CAO, Sen MU
  • Publication number: 20220104318
    Abstract: Disclosed is a heating device (100), including: a metal cylinder body (110) provided with a pick-and-place opening, a door body (120) configured to open and close the pick-and-place opening, an electromagnetic generating module (161) configured to generate an electromagnetic wave signal, and a radiating antenna (150). The radiating antenna (150) is configured to be electrically connected with the electromagnetic generating module (161) to generate electromagnetic waves of a corresponding frequency according to the electromagnetic wave signal. The heating device (100) further includes an antenna housing (130) made of an insulating material.
    Type: Application
    Filed: December 11, 2019
    Publication date: March 31, 2022
    Applicants: HAIER SMART HOME CO., LTD., QINGDAO HAIER SPECIAL REFRIGERATION ELECTRIC APPLIANCE CO., LTD.
    Inventors: Haijuan WANG, Kunkun ZHAO, Sen MU, Dongqiang CAO