Patents by Inventor Jianquan Chen
Jianquan Chen 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).
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Publication number: 20240060513Abstract: Disclosed are a silencing device and a refrigerator; the silencing device includes a silencing body, the silencing body includes a hole wall enclosing a through hole and a silencing cavity formed inside the silencing body, and an opening communicated with the silencing cavity is provided on a surface of the hole wall. When the noise in the compressor compartment of the refrigerator passes through the through hole of the silencing device, the sound is transmitted into the silencing cavity through the opening. This achieves a good noise reduction effect while guaranteeing the normal operation of the refrigerator.Type: ApplicationFiled: December 27, 2021Publication date: February 22, 2024Inventors: YANBIN WAN, JIANQUAN CHEN, WENCHUN WANG, MENGCHENG LI, GANG MA, XINGPENG SUN, LISHENG JI
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Publication number: 20230408009Abstract: 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: ApplicationFiled: August 4, 2021Publication date: December 21, 2023Inventors: PENG YANG, KUI ZHANG, XIAOBING ZHU, JIANRU LIU, JIANQUAN CHEN, YANBIN WAN
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Publication number: 20230383888Abstract: 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: ApplicationFiled: July 19, 2021Publication date: November 30, 2023Inventors: PENG YANG, KUI ZHANG, JIANQUAN CHEN, JIANRU LIU
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Publication number: 20230304720Abstract: 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: ApplicationFiled: June 15, 2021Publication date: September 28, 2023Applicants: QINGDAO HAIER SPECIAL REFRIGERATOR CO., LTD, QINGDAO HAIER REFRIGERATOR CO., LTD., HAIER SMART HOME CO., LTD.Inventors: Jianquan CHEN, Jianru LIU, Dongqiang CAO
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Publication number: 20230280088Abstract: An air-cooled refrigerator comprises a bottom liner, a fan bottom shell, an air duct cover plate, and fan blades. A cooling chamber and a storage space are defined in the bottom liner. The fan bottom shell is arranged at a rear portion of the cooling chamber. The air duct cover plate comprises a back plate portion and a fan upper cover. The back plate portion is disposed in front of a rear wall of the bottom liner. The fan upper cover obliquely extends downward from a lower end of the back plate portion into the cooling chamber, covers the fan bottom shell and is fastened thereto. The back plate portion and the fan upper cover are integrally formed. The fan blades are arranged in a fan cavity, and enable formation of a refrigeration airflow discharged from the cooling chamber to an air supply duct.Type: ApplicationFiled: August 17, 2021Publication date: September 7, 2023Inventors: Jian MA, Changzhi WANG, Bin FEI, Noda TOSHINORI, Lingyun DONG, Jianquan CHEN, Hui LIU
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Publication number: 20230272964Abstract: 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: ApplicationFiled: August 4, 2021Publication date: August 31, 2023Inventors: Jian MA, Shaoyi WANG, Jianquan CHEN, Dongqiang CAO, Jianru LIU
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Publication number: 20230243568Abstract: An air-cooled refrigerator supplying air through a centrifugal fan, comprising a bottom liner, an air duct back plate, and the centrifugal fan. A cooling chamber and a storage space are defined in the bottom liner; the air duct back plate is provided in the-front of a back wall of the bottom liner, and defines an air supply duct with the back wall of the bottom liner; the centrifugal fan comprises a volute and an impeller; the volute is arranged obliquely upwards from front to back at the back of the cooling chamber, and a fan cavity and a gradually widened exhaust cavity are defined in the volute; the fan cavity is formed into a continuous spiral; the gradually widened exhaust cavity is gradually widen backwards from the fan cavity; the impeller is provided in the fan cavity; and the inner wall face of the fan cavity is continuous and smooth.Type: ApplicationFiled: June 15, 2021Publication date: August 3, 2023Applicants: QINGDAO HAIER REFRIGERATOR CO., LTD., HAIER SMART HOME CO., LTD.Inventors: Jianquan CHEN, Xiaobing ZHU, Bin FEI, Changzhi WANG, Chen FENG
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Patent number: 11668510Abstract: A vacuum assembly for a refrigerator includes upper and lower sealing bodies, which are buckled to define a sealed cavity. A vacuum pump is provided in the cavity. A plurality of sheet members are arranged between the vacuum pump and a sealing box. A plurality of abutting parts are provided on the upper sealing body and abutting against tops of the sheet members. A step is provided at an end of the abutting part coming into contact with the sheet member. A top surface of the step abuts against the sheet member, and a side surface of the step abuts against the sheet member. A plurality of ribs are provided on the lower sealing body and spaced apart from the side walls to define limiting grooves. A plurality of guide grooves are provided on the lower sealing body and extend in a vertical direction to guide the sheet members.Type: GrantFiled: December 7, 2018Date of Patent: June 6, 2023Assignee: QINGDAO HAIER CO., LTD.Inventors: Hao Zhang, Chun Yang, Jianquan Chen, Enpin Xia
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Patent number: 11549499Abstract: A muffler comprises a housing enclosed to form a hollow cavity, the cavity comprises a cylindrical chamber and a rectangular parallelepiped chamber, wherein one of bottom surfaces of the cylindrical chamber is connected with a first surface of the rectangular parallelepiped chamber, the cylindrical chamber communicates with an interior of the rectangular parallelepiped chamber, and the cylindrical chamber is provided with an air inlet and an air outlet.Type: GrantFiled: December 7, 2018Date of Patent: January 10, 2023Assignee: QINGDAO HAIER CO., LTD.Inventors: Chun Yang, Hao Zhang, Enpin Xia, Jianquan Chen
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Patent number: 11274875Abstract: A sound-insulating refrigerator vacuum assembly, comprising a sealed box receiving a vacuum pump, the sealed box body comprises an upper sealing body and a lower sealing body, the upper sealing body and the lower sealing body can be snap-fitted to define a receiving cavity, and the vacuum pump is placed in the receiving cavity; the vacuum assembly further comprises an air pipe member, the air pipe member comprises an air inlet pipe, an air outlet pipe and a base plate that are integrally formed, and the air inlet pipe and the air outlet pipe are disposed through the base plate; a notch portion is provided in the sealed box, and an outer edge of the base plate matches the notch portion in shape; the vacuum pump is connected with a muffler.Type: GrantFiled: December 7, 2018Date of Patent: March 15, 2022Assignee: QINGDAO HAIER CO., LTD.Inventors: Jianquan Chen, Chun Yang, Hao Zhang, Enpin Xia
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Patent number: 11274877Abstract: Disclosed is an oxygen-control freshness preservation refrigerator, comprising a cabinet with a refrigerating compartment and a freezing compartment. A partition plate for separating the refrigerating compartment from the freezing compartment is arranged in the cabinet. The refrigerator further has a freshness preservation compartment arranged inside the refrigerating compartment and an oxygen control device for reducing the oxygen content inside the freshness preservation compartment, the oxygen control device comprises a gas-regulating membrane assembly and a gas extraction assembly. The gas-regulating membrane assembly has at least one gas-regulating membrane for selective gas permeation.Type: GrantFiled: November 15, 2018Date of Patent: March 15, 2022Assignee: QINGDAO HAIER CO., LTD.Inventors: Lei Wang, Bo Jiang, Jianquan Chen, Chun Yang, Liyan Wang
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Patent number: 11255597Abstract: A seal includes a buckling portion. The buckling portion is composed of two H-shaped members that are flexibly connected. The two H-shaped members are buckled with each other to form a mounted state. The H-shaped member has a first arm and a second arm which are parallel to each other, and a connecting portion which connects the first arm and the second arm. The connecting portion has an arcuate surface. The arcuate surfaces of the two H-shaped members cooperatively define a hollow cavity when the two H-shaped members are in the mounted state. A vacuum assembly and a refrigerator are disclosed to respectively have the seal.Type: GrantFiled: December 7, 2018Date of Patent: February 22, 2022Assignee: QINGDAO HAIER CO., LTD.Inventors: Hao Zhang, Chun Yang, Enpin Xia, Jianquan Chen
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Patent number: 11060742Abstract: The present invention provides a photovoltic and thermal (PVT) heat pump system capable of achieving day-night time-shared combined cooling, heating and power using solar radiation and sky cold radiation. The system utilizes a photovoltaic power generation technology and a photovoltic and thermal (PVT heat pump technology simultaneously, both of which are relatively independent and promoted to each other in the function. The main energy sources of the system are solar radiation energy and sky long-wave cold radiation energy, and the energy is respectively transformed into electric energy, thermal energy and cold energy via a photovoltic and thermal (PVT) photoelectric-evaporation/condensation module at different times in different working modes. The system of the present invention integrates power generation.Type: GrantFiled: August 3, 2017Date of Patent: July 13, 2021Assignee: DALIAN UNIVERSITY OF TECHNOLOGYInventors: Jili Zhang, Ruobing Liang, Chao Zhou, Shixiang Lu, Jianquan Chen
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Publication number: 20210180581Abstract: A muffler comprising a hollow cavity enclosed by a first bottom surface, a second bottom surface and a side wall, the side wall connects the first bottom surface with the second bottom surface, an air inlet at one end of the hollow cavity and an air outlet at the other end of the hollow cavity; the cavity is divided into a plurality of chambers in an axial direction, the chambers comprise a first chamber adjacent to the first bottom surface, a second chamber adjacent to the second bottom surface and an intermediate chamber located between the first chamber and the second chamber, the air inlet is in gas communication with the intermediate chamber, and the air outlet is in gas communication with the first chamber.Type: ApplicationFiled: December 7, 2018Publication date: June 17, 2021Inventors: CHUN YANG, JIANQUAN CHEN, HAO ZHANG, ENPIN XIA
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Publication number: 20210071656Abstract: A muffler comprises a housing enclosed to form a hollow cavity, the cavity comprises a cylindrical chamber and a rectangular parallelepiped chamber, wherein one of bottom surfaces of the cylindrical chamber is connected with a first surface of the rectangular parallelepiped chamber, the cylindrical chamber communicates with an interior of the rectangular parallelepiped chamber, and the cylindrical chamber is provided with an air inlet and an air outlet.Type: ApplicationFiled: December 7, 2018Publication date: March 11, 2021Inventors: CHUN YANG, HAO ZHANG, ENPIN XIA, JIANQUAN CHEN
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Publication number: 20210025638Abstract: The present application discloses a vacuum assembly for a refrigerator, comprising: upper and lower sealing bodies, which are buckled to define a sealed cavity; a vacuum pump, provided in the cavity; a plurality of plate-like members, arranged between the vacuum pump and a sealing box; a plurality of abutting parts, provided on the upper sealing body and abutting against tops of the plate-like members, a step being provided at an end of the abutting part coming into contact with the plate-like member, a top surface of the step abutting against the plate-like member, and a side surface of the step abutting against the plate-like member; a plurality of ribs, provided on the lower sealing body and spaced apart from the side walls to define limiting grooves; and a plurality of guide grooves, provided on the lower sealing body and extending in a vertical direction to guide the plate-like members.Type: ApplicationFiled: December 7, 2018Publication date: January 28, 2021Inventors: HAO ZHANG, CHUN YANG, JIANQUAN CHEN, ENPIN XIA
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Publication number: 20200393193Abstract: A sound-insulating refrigerator vacuum assembly, comprising a sealed box receiving a vacuum pump, the sealed box body comprises an upper sealing body and a lower sealing body, the upper sealing body and the lower sealing body can be snap-fitted to define a receiving cavity, and the vacuum pump is placed in the receiving cavity; the vacuum assembly further comprises an air pipe member, the air pipe member comprises an air inlet pipe, an air outlet pipe and a base plate that are integrally formed, and the air inlet pipe and the air outlet pipe are disposed through the base plate; a notch portion is provided in the sealed box, and an outer edge of the base plate matches the notch portion in shape; the vacuum pump is connected with a muffler.Type: ApplicationFiled: December 7, 2018Publication date: December 17, 2020Inventors: JIANQUAN CHEN, CHUN YANG, HAO ZHANG, ENPIN XIA
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Publication number: 20200333061Abstract: A refrigerator having oxygen control and freshness keeping functions, comprising a refrigerator body. The refrigerator body has a compressor bin and a refrigerator compartment. The refrigerator further comprises an oxygen control device. The oxygen control device comprises a gas-regulating membrane assembly and a gas extraction assembly. The gas-regulating membrane assembly has at least one gas-regulating membrane. The gas extraction assembly is disposed outside the refrigerator compartment, and is provided with a gas extraction pump. The gas extraction pump has a gas inlet pipe communicated with the gas outlet side of the gas-regulating membrane and a gas outlet pipe for exhausting the gas from the gas outlet side of the gas-regulating membrane to the compressor bin so as to cool a compressor.Type: ApplicationFiled: November 15, 2018Publication date: October 22, 2020Inventors: LEI WANG, BO JIANG, JIANQUAN CHEN, CHUN YANG, HAOQUAN LIU
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Publication number: 20200284501Abstract: Disclosed is an oxygen-control freshness preservation refrigerator, comprising a cabinet with a refrigerating compartment and a freezing compartment. A partition plate for separating the refrigerating compartment from the freezing compartment is arranged in the cabinet. The refrigerator further has a freshness preservation compartment arranged inside the refrigerating compartment and an oxygen control device for reducing the oxygen content inside the freshness preservation compartment, the oxygen control device comprises a gas-regulating membrane assembly and a gas extraction assembly. The gas-regulating membrane assembly has at least one gas-regulating membrane for selective gas permeation.Type: ApplicationFiled: November 15, 2018Publication date: September 10, 2020Inventors: LEI WANG, BO JIANG, JIANQUAN CHEN, CHUN YANG, LIYAN WANG
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Publication number: 20200033048Abstract: The present invention discloses a seal including a buckling portion. The buckling portion is composed of two H-shaped members that are flexibly connected. The two H-shaped members can be buckled with each other to form a mounted state. The H-shaped member has a first arm and a second arm which are parallel to each other, and a connecting portion which connects the first arm and the second arm. The connecting portion has an arcuate surface. The arcuate surfaces of the two H-shaped members cooperatively define a hollow cavity when the two H-shaped members are in the mounted state. The present invention further discloses a vacuum assembly and a refrigerator which comprise the seal described above.Type: ApplicationFiled: December 7, 2018Publication date: January 30, 2020Inventors: HAO ZHANG, CHUN YANG, ENPIN XIA, JIANQUAN CHEN