Patents Assigned to GUANGDONG MEIZHI PRECISION-MANUFACTURING CO., LTD.
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Patent number: 11971036Abstract: A compressor and a refrigeration device are provided. The compressor has a shell, a compression assembly, a motor, an oil sump and an oil return channel. The shell defines a cavity. A part of the compression assembly is connected to the shell and located in the cavity. The cavity is divided into a first cavity and a second cavity by the compression assembly. A part of the motor is arranged in the first cavity. A part of the shell located below the central axis of the motor is a first shell. The oil sump is arranged in the second cavity. The oil return channel is arranged in the compression assembly, and is provided with an oil inlet facing the first cavity.Type: GrantFiled: December 23, 2021Date of Patent: April 30, 2024Assignee: GUANGDONG MEIZHI PRECISION-MANUFACTURING CO., LTD.Inventors: Yang Li, Lingao Lu, Hongjun Cao
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Publication number: 20240027280Abstract: A housing assembly, a compressor and an air conditioner are provided. The housing assembly has a housing, a temperature sensor and a fixing bracket. The temperature sensor abuts an outer wall of the housing. The fixing bracket has a fixing portion and connection portions located on two sides of the fixing portion. The connection portions are fixedly connected to the housing. A mounting cavity is formed between the fixing portion and the housing. The temperature sensor is located in the mounting cavity. The fixing portion has a top plate and side plates connected to two sides of the top plate. An angle formed between the top plate and each of the side plates is an obtuse angle. Each of the top plate and the side plates abuts the temperature sensor.Type: ApplicationFiled: September 28, 2023Publication date: January 25, 2024Applicants: GUANGDONG MEIZHI PRECISION MANUFACTURING CO., LTD., GUANGDONG MEIZHI COMPRESSOR CO., LTD.Inventors: Yiqiang WANG, Fenggang FAN
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Publication number: 20240019170Abstract: A housing assembly, a compressor, and an air conditioner are provided. The housing assembly has a housing, a temperature sensor, and a fixing bracket. The temperature sensor abuts an outer wall of the housing. The fixing bracket has a fixing portion and connection portions located on two sides of the fixing portion. Each connection portion is fixedly connected to the housing. A mounting cavity is formed between the fixing portion and the housing. The fixing portion has an inlet end for mounting the temperature sensor in the mounting cavity, and a top plate and two side plates connected to two sides of the top plate. An angle between the top plate and each of the two side plates is an obtuse angle. An opening slot facing away from the inlet end is formed on the top plate and is offset from a centerline of the top plate.Type: ApplicationFiled: September 28, 2023Publication date: January 18, 2024Applicants: GUANGDONG MEIZHI PRECISION MANUFACTURING CO., LTD., GUANGDONG MEIZHI COMPRESSOR CO., LTD.Inventors: Yiqiang WANG, Fenggang FAN
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Publication number: 20230324094Abstract: A compressor and a refrigeration apparatus are provided. The compressor has a compressor body, a reservoir and a connection pipe. The compressor body has a housing and a compression assembly disposed in the housing. A compression cavity is defined by the compression assembly and has an air suction port. A guide pipe is disposed at the housing. The reservoir has a suction pipe. The connection pipe is disposed in the guide pipe. A first end of the connection pipe is connected to the air suction port. The suction pipe is disposed in the connection pipe and connected to a second end of the connection pipe. The connection pipe can be a copper pipe. Each of the suction pipe and the guide pipe can be a steel pipe.Type: ApplicationFiled: June 14, 2023Publication date: October 12, 2023Applicant: GUANGDONG MEIZHI PRECISION-MANUFACTURING CO., LTD.Inventors: Xiaofeng WANG, Yong GUO, Shengming LIANG, Hongwei ZENG
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Publication number: 20220112897Abstract: A compressor and a refrigeration device are provided. The compressor has a shell, a compression assembly, a motor, an oil sump and an oil return channel. The shell defines a cavity. A part of the compression assembly is connected to the shell and located in the cavity. The cavity is divided into a first cavity and a second cavity by the compression assembly. A part of the motor is arranged in the first cavity. A part of the shell located below the central axis of the motor is a first shell. The oil sump is arranged in the second cavity. The oil return channel is arranged in the compression assembly, and is provided with an oil inlet facing the first cavity.Type: ApplicationFiled: December 23, 2021Publication date: April 14, 2022Applicant: GUANGDONG MEIZHI PRECISION-MANUFACTURING CO., LTD.Inventors: Yang LI, Lingao LU, Hongjun CAO
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Publication number: 20210356183Abstract: A compressor liquid accumulator and a compressor are provided. The compressor liquid accumulator has a first suction cup and a second suction cup. The surface of the first suction cup, which faces the second suction cup, is provided with a first welding surface. The facing of the second suction cup, which faces the first suction cup, is provided with a second welding surface. The first welding surface and the second welding surface are connected in a welded manner. The first suction cup and the second suction cup define a cavity. The first suction cup is provided with a first extending portion is adjacent to the first welding surface. The first extending portion is located in a part of the cavity defined by the second suction cup.Type: ApplicationFiled: July 28, 2021Publication date: November 18, 2021Applicant: GUANGDONG MEIZHI PRECISION-MANUFACTURING CO., LTD.Inventors: Xiaofeng WANG, Tao ZHOU, Yong GUO, Shijia YE
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Publication number: 20210348814Abstract: A compressor and a heat exchange system are provided. The compressor has a sealed container and a liquid storage tank. An outlet end of the liquid storage tank is connected to an inlet end of the sealed container. An outlet end of the sealed container and an inlet end of the liquid storage tank are connected to an external heat exchange loop. A motor and a compression mechanism of the compressor are mounted in the sealed container. A first valve of the compressor is mounted at the outlet end of the sealed container and allows unidirectional communication from the sealed container to the external heat exchange loop. A second valve of the compressor is mounted at the inlet end of the liquid storage tank and allows unidirectional communication from the external heat exchange loop to the liquid storage tank.Type: ApplicationFiled: July 23, 2021Publication date: November 11, 2021Applicant: GUANGDONG MEIZHI PRECISION-MANUFACTURING CO., LTD.Inventors: Bin GAO, Huaming LI, Baowei WANG
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Publication number: 20210341183Abstract: An air conditioning system is provided. The system has a high-pressure pipe, a low-pressure pipe, an indoor heat exchanger, an outdoor heat exchanger, a leak-free thermal expansion valve and a variable capacity compressor. The variable capacity compressor has a shell, a first cylinder and a second cylinder. The shell has a suction port and an exhaust port. The first cylinder has a first suction hole connected to the suction port and a first exhaust hole connected to the exhaust port. The second cylinder has a second suction hole connected to the suction port, a second exhaust hole connected to the exhaust port, and a pressure relief hole connected to the high-pressure pipe and the low-pressure pipe in an on-off manner. Before the variable capacity compressor is started, the high-pressure pipe and the low-pressure pipe are connected and also disconnected after the first preset duration.Type: ApplicationFiled: July 12, 2021Publication date: November 4, 2021Applicant: GUANGDONG MEIZHI PRECISION-MANUFACTURING CO., LTD.Inventors: Yufei YANG, Siqing LIAO, Yongdong OU
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Patent number: 10938257Abstract: Provided are a stator, a motor and a compressor for a motor. The stator (100) includes: a substantially annular stator body (1). The stator body (1) is formed by stacking a plurality of silicon steel sheets. The magnetic induction intensity of the silicon steel sheets is B, B>1.79 T. A plurality of stator teeth (2) arranged at intervals are formed on an inner peripheral wall of the stator body (1), and an accommodating groove (3) is defined between two adjacent stator teeth (2). A diameter of a circle where inner end surfaces of the plurality of stator teeth (2) are located is D1 and a diameter of a circle where an outer end of the stator body (1) is located is D2, and D1 and D2 satisfy: D1/D2>0.515.Type: GrantFiled: August 28, 2017Date of Patent: March 2, 2021Assignee: GUANGDONG MEIZHI PRECISION-MANUFACTURING CO., LTD.Inventors: Dong Xiang, Qingxuan Fu, Jun Liu, Xiuxiu Qi, Youbin Luo
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Publication number: 20190319501Abstract: Provided are a stator, a motor and a compressor for a motor. The stator (100) includes: a substantially annular stator body (1). The stator body (1) is formed by stacking a plurality of silicon steel sheets. The magnetic induction intensity of the silicon steel sheets is B, B>1.79 T. A plurality of stator teeth (2) arranged at intervals are formed on an inner peripheral wall of the stator body (1), and an accommodating groove (3) is defined between two adjacent stator teeth (2). A diameter of a circle where inner end surfaces of the plurality of stator teeth (2) are located is D1 and a diameter of a circle where an outer end of the stator body (1) is located is D2, and D1 and D2 satisfy: D1/D2>0.515.Type: ApplicationFiled: August 28, 2017Publication date: October 17, 2019Applicant: GUANGDONG MEIZHI PRECISION-MANUFACTURING CO., LTD.Inventors: Dong XIANG, Qingxuan FU, Jun LIU, Xiuxiu QI, Youbin LUO