Patents by Inventor Guozhong Yang
Guozhong Yang 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: 20240079549Abstract: This application relates to a tab flattening device. The tab flattening device includes: a roller configured to convey an electrode plate, a cover, and a flattening portion. The surface of the roller is in contact with the electrode plate in a contact region. The cover surrounds the contact region peripherally and includes a feed-in guide surface oriented toward the contact region. The flattening portion is disposed protrusively on the feed-in guide surface, and located opposite to a tab of the electrode plate. A tab guide surface is formed on the flattening portion. Along a feed-in direction of the electrode plate, the flattening portion is at least partially located upstream of the contact region.Type: ApplicationFiled: November 14, 2023Publication date: March 7, 2024Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Guozhong YANG, Xiangli SUN, Fengdan LI, Xiong QIN, Minjiang XU, Xu PEI, Xiaoping WU, Chao YANG
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Publication number: 20230347124Abstract: An insoluble transdermal microneedle patch, includes microneedles and a backing. The microneedles include bases and needlepoints located on the base, and materials made for the microneedles include crosslinked sodium alginate. The backing is connected with the bases, and parts of the backing corresponding to the needlepoints are hollow portions. The microneedle patch can act in the skin for a long time, during it is used for transdermal delivery, drugs can enter skin micropores to be absorbed into a body through pores formed after swelled microneedles acting on the skin absorbs water, thereby increasing a bioavailability of the drugs during the transdermal delivery. After drug administration end, the microneedles are completely removed without increasing a metabolic burden in the body, soluble materials are prevented from being accumulated in the body, and the microneedles have good biological safety. A preparation method of the insoluble transdermal microneedle patch and application thereof are provided.Type: ApplicationFiled: June 5, 2023Publication date: November 2, 2023Inventors: Yunhua Gao, Zequan Zhou, Suohui Zhang, Guozhong Yang
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Patent number: 11801373Abstract: An insoluble transdermal microneedle patch, includes microneedles and a backing. The microneedles include bases and needlepoints located on the base, and materials made for the microneedles include crosslinked sodium alginate. The backing is connected with the bases, and parts of the backing corresponding to the needlepoints are hollow portions. The microneedle patch can act in the skin for a long time, during it is used for transdermal delivery, drugs can enter skin micropores to be absorbed into a body through pores formed after swelled microneedles acting on the skin absorbs water, thereby increasing a bioavailability of the drugs during the transdermal delivery. After drug administration end, the microneedles are completely removed without increasing a metabolic burden in the body, soluble materials are prevented from being accumulated in the body, and the microneedles have good biological safety. A preparation method of the insoluble transdermal microneedle patch and application thereof are provided.Type: GrantFiled: June 5, 2023Date of Patent: October 31, 2023Assignees: TECHNICAL INSTITUTE OF PHYSICS AND CHEMISTRY, CAS, BEIJING CAS MICRONEEDLE TECHNOLOGY LTD.Inventors: Yunhua Gao, Zequan Zhou, Suohui Zhang, Guozhong Yang
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Patent number: 11788758Abstract: A control method for a heating system of an air conditioner, the method includes: obtaining ambient temperature and external heat exchanger evaporation temperature; obtaining external heat exchanger evaporation pressure, and obtaining, according to the external heat exchanger evaporation pressure, corresponding saturation temperature; and controlling a base plate heating device according to the ambient temperature, the external heat exchanger evaporation temperature, or the saturation temperature. The base plate heating device is controlled according to the ambient temperature, the saturation temperature corresponding to the external heat exchanger evaporation pressure, or the external heat exchanger evaporation temperature, and may avoid freezing of the base plate of an air conditioner, and may ensure normal drainage of the base plate during defrosting to improve the stability and reliability of the air conditioner.Type: GrantFiled: June 24, 2021Date of Patent: October 17, 2023Assignees: HEFEI MIDEA HEATING & VENTILATING EQUIPMENT CO., LTD., GD MIDEA HEATING & VENTILATING EQUIPMENT CO., LTD.Inventors: Libo Yan, Guozhong Yang, Mingren Wang, Zhijun Tan, Shanshan Yang
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Publication number: 20230272878Abstract: A press cover anti-pinch device and an apparatus having a press cover is disclosed. The press cover anti-pinch device comprises: a connector arranged at a lower side of a cover body of the press cover and fixed to the press cover; and a support hinged to the connector and rotatably arranged in a supporting position or in a collapsed position, wherein when the support is arranged in the supporting position, the support swings down and supports the press cover on a supporting surface, and when the support is arranged in the collapsed position, the support is collapsed and the press cover is lowered. During use, when the press cover is in an opened state, the support swings down and supports the press cover on the supporting surface, so that the support provides a supporting force to the press cover.Type: ApplicationFiled: May 8, 2023Publication date: August 31, 2023Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Guozhong YANG, Xiangli SUN, Xiaoping WU
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Patent number: 11353249Abstract: A two-pipe enhanced-vapor-injection outdoor unit and a two-pipe enhanced-vapor-injection multi-split system are provided. The two-pipe enhanced-vapor-injection outdoor unit includes an outdoor heat exchanger, an enhanced-vapor-injection compressor, a reversing assembly, a super cooler, a throttling assembly and a first pipe. The reversing assembly includes a first end and a second end connected with a gas discharge port and a gas return port, respectively. A main heat-exchange flow path is connected with the first port and the second port, respectively. An auxiliary heat-exchange flow path is connected with the injection port. The throttling assembly includes two ends connected with an outlet of the main heat-exchange flow path and an inlet of the outdoor heat exchanger. The first pipe includes a first end connected with an outlet of the outdoor heat exchanger, and a second end arranged between the throttling assembly and the main heat-exchange flow path.Type: GrantFiled: June 3, 2019Date of Patent: June 7, 2022Inventors: Libo Yan, Guozhong Yang, Mingren Wang, Zhijun Tan, Sanguo Peng
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Patent number: 11300329Abstract: A two-pipe enhanced-vapor-injection outdoor unit and a multi-split system are provided. The two-pipe enhanced-vapor-injection outdoor unit includes: an outdoor heat exchanger and a second port; an enhanced-vapor-injection compressor, including a gas discharge port, a gas return port and an injection port; a reversing assembly, including first to fourth ends; a supercooler, including a main heat-exchange flow path and an auxiliary heat-exchange flow path communicated with each other, the main heat-exchange flow path being connected to the second port, the auxiliary heat-exchange flow path being connected to the injection port; and a throttling assembly having a first end connected to an outlet of the main heat-exchange flow path, and a second end connected to an inlet of the outdoor heat exchanger.Type: GrantFiled: June 3, 2019Date of Patent: April 12, 2022Assignees: HEFEI MIDEA HEATING & VENTILATING EQUIPMENT CO., LTD., GD MIDEA HEATING & VENTILATING EQUIPMENT CO., LTD.Inventors: Libo Yan, Guozhong Yang, Mingren Wang, Sanguo Peng, Jinyuan Huang
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Publication number: 20210325101Abstract: A method and a device for controlling a low-temperature refrigeration air valve, the method includes: acquiring a current environment temperature; according to the current environment temperature, determining an initial target pressure of the current system and an initial opening degree of an air valve; acquiring an actual pressure of the current system and a target pressure of the current system; and adjusting an opening degree of the air valve according to a difference value between the target pressure of the current system and the actual pressure of the current system, wherein the air valve is disposed at a low-temperature cover. An opening degree of the air valve is adjusted according to the difference value between the target pressure of the current system and the actual pressure of the current system, to meet the refrigeration demand of the user in an ultra-low temperature environment, expanding the operation scope of refrigeration.Type: ApplicationFiled: June 28, 2021Publication date: October 21, 2021Inventors: Xin LIANG, Guozhong YANG, Mingren WANG, Zhijun TAN
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Publication number: 20210325071Abstract: A control method and device for a low-temperature cooling air valve include: obtaining an actual system pressure, an ambient temperature, and a system energy requirement; and determining an opening degree pre according to the actual system pressure, the ambient temperature, and the system energy requirement. The control method is employed to perform combined control on the low-temperature cooling air valve according to the system high pressure, the ambient temperature and the system energy requirement, and can refine the range of opening degrees of the low-temperature cooling air valve and determine an opening degree thereof, thereby facilitating cooling operation of a multi-split air conditioning system in an ultra-low temperature environment, while also increasing the reliability of the cooling operation at low temperature and expanding the operation range.Type: ApplicationFiled: June 28, 2021Publication date: October 21, 2021Inventors: Guozhong YANG, Xin LIANG, Mingren WANG, Zhijun TAN
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Publication number: 20210325074Abstract: An air conditioner, and a control method and device for a heating system thereof, wherein the method comprises: obtaining ambient temperature and external heat exchanger evaporation temperature; obtaining external heat exchanger evaporation pressure, and obtaining, according to the external heat exchanger evaporation pressure, corresponding saturation temperature; and controlling a base plate heating device according to the ambient temperature, the external heat exchanger evaporation temperature, or the saturation temperature. Hence, the base plate heating device is controlled according to the ambient temperature, the saturation temperature corresponding to the external heat exchanger evaporation pressure, or the external heat exchanger evaporation temperature, to avoid freezing of the base plate of an air conditioner, and ensure normal drainage of the base plate during defrosting, thereby improving the stability and reliability of the air conditioner.Type: ApplicationFiled: June 24, 2021Publication date: October 21, 2021Inventors: Libo YAN, Guozhong YANG, Mingren WANG, Zhijun TAN, Shanshan YANG
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Publication number: 20210293459Abstract: A two-pipe enhanced-vapor-injection outdoor unit and a two-pipe enhanced-vapor-injection multi-split system are provided. The two-pipe enhanced-vapor-injection outdoor unit includes an outdoor heat exchanger (10), an enhanced-vapor-injection compressor (16), a reversing assembly (18), a super cooler (20), a throttling assembly (22) and a first pipe (24). The reversing assembly (18) includes a first end and a second end connected with a gas discharge port (162) and a gas return port (164), respectively. A main heat-exchange flow path is connected with the first port (12) and the second port (14), respectively. An auxiliary heat-exchange flow path is connected with the injection port (166). The throttling assembly (22) includes two ends connected with an outlet of the main heat-exchange flow path and an inlet of the outdoor heat exchanger (10).Type: ApplicationFiled: June 3, 2019Publication date: September 23, 2021Inventors: Libo Yan, Guozhong Yang, Mingren Wang, Zhijun Tan, Sanguo Peng
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Publication number: 20210178138Abstract: An implantable sustained-release microneedle patch and a preparation method therefor. The implantable sustained-release microneedle comprises a needle tip, a needle body, and a base. The needle tip comprises a needle tip center layer and a needle tip outer layer. The needle tip center layer is formed of a matrix comprising a biodegradable water-insoluble polymer material. The needle tip outer layer, the needle body, and the base are formed of a matrix comprising a water-soluble polymer material. The microneedle patch comprises the microneedle and absorbs the moisture of the skin when the microneedle acts on skin, so that the base and the needle body are quickly separated from the needle tip within 0.5-2 h. After the base is removed, the needle tip will be left in skin, and the user does not need the patch sticking for a long time to ensure long-term release of a drug in the body.Type: ApplicationFiled: August 29, 2019Publication date: June 17, 2021Applicant: BEIJING CAS MICRONEEDLE TECHNOLOGY LTD.Inventors: Yunhua GAO, Meilin HE, Guozhong YANG, Suohui ZHANG
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Patent number: 10921033Abstract: A horizontal gas-liquid separator for an air conditioner includes a housing and a refrigerant inlet pipe. The housing defines a cavity. The cavity has a gas outlet formed in the top of the cavity and a liquid outlet formed in the bottom of the cavity. A minimum distance between the gas outlet and a left sidewall of the cavity is denoted by L1, and a minimum distance between the liquid outlet and the left sidewall of the cavity is denoted by L2. The refrigerant inlet pipe is located on a left side wall of the housing and has an end extending into the cavity. A distance between an end face of the end of the refrigerant inlet pipe and the left sidewall of the cavity is denoted by L3, and L3?L1, L3?L2.Type: GrantFiled: February 22, 2019Date of Patent: February 16, 2021Inventors: Lihua Ma, Mingren Wang, Guozhong Yang, Libo Yan
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Patent number: 10782041Abstract: It is provided a cold-air-avoidance control method and apparatus of an indoor unit of a multi-split air conditioning system, the multi-split air conditioning system includes an outdoor unit and a plurality of indoor units, and the cold-air-avoidance control method includes: obtaining a saturation temperature corresponding to a high pressure of the outdoor unit; obtaining an entrance temperature and a return air temperature of a heat exchanger of each heating indoor unit, and controlling an operating status of the heating indoor unit according to the saturation temperature, the entrance temperature and the return air temperature. With the method according to the present disclosure, reliability and accuracy of controlling the heating indoor unit can be improved, such that the effect of the cold-air-avoidance control is improved, and a more comfortable heating process is provided.Type: GrantFiled: April 26, 2018Date of Patent: September 22, 2020Assignees: GD MIDEA HEATING & VENTILATING EQUIPMENT CO., LTD., MIDEA GROUP CO., LTD.Inventors: Linxing Ren, Yongfeng Xu, Guozhong Yang, Mingren Wang, Meibing Xiong, Xihua Ma
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Publication number: 20200173696Abstract: A two-pipe enhanced-vapor-injection outdoor unit and a multi-split system are provided. The two-pipe enhanced-vapor-injection outdoor unit includes: an outdoor heat exchanger; a compressor including a gas discharge port, the gas return port and an injection port; a reversing assembly including a first end connected with the gas discharge port, and a second end connected with the gas return port; a flash evaporator comprising a refrigerant inlet, a gas outlet and a liquid outlet, the gas outlet being connected with the injection port, the liquid outlet being connected with the first port and the inlet of the outdoor heat exchanger, respectively; a throttling assembly including a first end connected with the refrigerant inlet, and a second end connected with the second port; and a first pipe.Type: ApplicationFiled: June 3, 2019Publication date: June 4, 2020Inventors: Libo YAN, Guozhong YANG, Mingren WANG
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Publication number: 20200158384Abstract: A two-pipe enhanced-vapor-injection outdoor unit and a multi-split system are provided. The two-pipe enhanced-vapor-injection outdoor unit includes: an outdoor heat exchanger and a second port; an enhanced-vapor-injection compressor, including a gas discharge port, a gas return port and an injection port; a reversing assembly, including first to fourth ends; a supercooler, including a main heat-exchange flow path and an auxiliary heat-exchange flow path communicated with each other, the main heat-exchange flow path being connected to the second port, the auxiliary heat-exchange flow path being connected to the injection port; and a throttling assembly having a first end connected to an outlet of the main heat-exchange flow path, and a second end connected to an inlet of the outdoor heat exchanger.Type: ApplicationFiled: June 3, 2019Publication date: May 21, 2020Inventors: Libo YAN, Guozhong YANG, Mingren WANG, Sanguo PENG, Jinyuan HUANG
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Publication number: 20190186794Abstract: A horizontal gas-liquid separator for an air conditioner includes a housing and a refrigerant inlet pipe. The housing defines a cavity. The cavity has a gas outlet formed in the top of the cavity and a liquid outlet formed in the bottom of the cavity. A minimum distance between the gas outlet and a left sidewall of the cavity is denoted by L1, and a minimum distance between the liquid outlet and the left sidewall of the cavity is denoted by L2. The refrigerant inlet pipe is located on a left side wall of the housing and has an end extending into the cavity. A distance between an end face of the end of the refrigerant inlet pipe and the left sidewall of the cavity is denoted by L3, and L3?L1, L3?L2.Type: ApplicationFiled: February 22, 2019Publication date: June 20, 2019Inventors: Lihua Ma, Mingren WANG, Guozhong YANG, Libo YAN
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Patent number: 10309675Abstract: The present disclosure provides a defrosting method for an air conditioner. The method includes: acquiring outdoor temperature and outdoor humidity if the air conditioner enters a defrosting mode; judging whether the outdoor temperature and the outdoor humidity satisfy a predetermined condition; and controlling an outdoor fan to rotate reversely according to tube temperature of an outdoor heat exchanger and a defrosting period, so as to defrost a protecting housing surrounding the outdoor heat exchanger if it is judged that the outdoor temperature and the outdoor humidity satisfy the predetermined condition. The defrosting method may efficiently defrost the protecting housing surrounding the outdoor heat exchanger completely. The present disclosure further provides a defrosting device for an air conditioner.Type: GrantFiled: June 26, 2015Date of Patent: June 4, 2019Assignees: GD MIDEA HEATING & VENTILATING EQUIPMENT CO., LTD., MIDEA GROUP CO., LTD.Inventors: Guozhong Yang, Fudang Wei, Yuanyang Li
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Patent number: 10288328Abstract: An outdoor unit (100) for a VRF air conditioning system and a VRF air conditioning system having the same are provided. The outdoor unit (100) comprises: a compressor (10); a reversing assembly (20); an outdoor heat exchanger (30) comprising an header (31), an heat exchange portion (32), a plurality of flow-distribution capillary tubes (33) and a flow distributor (34); an electronic expansion valve (40) connected to the flow distributor (34); an refrigerant flow path (50) and an adjusting valve assembly (60), in which the refrigerant flow path (50) is connected to the electronic expansion valve (40), and the adjusting valve assembly (60) is connected to the refrigerant flow path (50) in series; a reversing valve assembly (70) configured to make the refrigerant flow out of the outdoor unit (100) via the second stop valve (120), and make the refrigerant flow into the outdoor unit (100) via the first stop valve (110).Type: GrantFiled: April 26, 2016Date of Patent: May 14, 2019Assignees: GD MIDEA HEATING & VENTILATING EQUIPMENT CO., LTD., MIDEA GROUP CO., LTD.Inventors: Guozhong Yang, Rui Song
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Publication number: 20190137153Abstract: A multi-split system and a control method thereof are provided. The control method comprises the steps of: obtaining a discharge superheating degree from a compressor and determining whether the discharge superheating degree is less than a first predetermined superheating degree; if the discharge superheating degree is less than the first predetermined superheating degree, further obtaining a pre-valve supercooling degree of a cooling throttle member, and determining whether the pre-valve supercooling degree is less than a predetermined supercooling degree; and if the pre-valve supercooling degree is less than the predetermined supercooling degree, controlling the degree of opening of the cooling throttle member to remain unchanged, adjusting a vent target superheating degree of a plurality of indoor units to a first target superheating degree, and controlling an indoor throttle member of the plurality of the indoor units according to the first target superheating degree.Type: ApplicationFiled: December 27, 2018Publication date: May 9, 2019Inventors: Guozhong YANG, Kun YANG