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1. 发明申请

US20220275868A1 NUT, ELECTRONIC EXPANSION VALVE AND STOP STRUCTURE THEREOF, AND REFRIGERATION DEVICE 有权
公开(公告)号：US20220275868A1
公开(公告)日：2022-09-01
申请号：US17749432
申请日：2022-05-20
申请人： GUANGDONG MEIZHI COMPRESSOR CO., LTD.
发明人： Longhua HUANG , Chao CHEN , Mao YANG , Bo JIANG
IPC分类号： F16K1/52
摘要： A nut, an electronic expansion valve, a stop structure of the electronic expansion valve, and a refrigeration device are provided. The nut has a pipe body and a connection seat. An outer peripheral wall of a first end of the pipe body is provided with a limiting snap protrusion. The connection seat is connected to the first end of the pipe body. A first avoidance interval is provided between the limiting snap protrusion and the connection seat for installing a first stop of the spring guide rail.

2. 发明授权

US11418081B2 Motor stator for compressor, permanent magnet motor, and compressor 有权
公开(公告)号：US11418081B2
公开(公告)日：2022-08-16
申请号：US16618232
申请日：2017-11-29
申请人： GUANGDONG MEIZHI COMPRESSOR CO., LTD.
发明人： Zhengzhong Qiao , Linshu Mao , Xiaohua Qiu , Yangbo Yu
IPC分类号： H02K3/28 , H02K3/50 , H02K7/14 , H02K1/27 , H02K1/16 , H02K3/12 , H02K3/48 , H02K1/276
摘要： A motor stator (11) for a compressor, a permanent magnet motor (10), and a compressor (A) are disclosed. The stator (11) includes: a stator core (111); a stator winding (112), the stator winding (112) including a plurality of coil groups, and each coil group having at least two connectors (1124); a lead-out wire (113) used to connect an external circuit and the stator winding (112), there being a plurality of lead-out wires (113) and each lead-out wire (113) being connected to connectors of at least two different coil groups, wherein the rated voltage between terminals on which a motor is mounted is Un, the maximum outer diameter of the stator core (111) is Dmax, and the axial length of the stator core (111) is L, Un/(Dmax2×L)≤0.3 V/cm3.

3. 发明申请

US20220010796A1 ROTARY COMPRESSOR AND REFRIGERATION CYCLE DEVICE 有权
公开(公告)号：US20220010796A1
公开(公告)日：2022-01-13
申请号：US17485775
申请日：2021-09-27
申请人： GUANGDONG MEIZHI COMPRESSOR CO., LTD.
发明人： Masao OZU , Bin GAO , Ling WANG
IPC分类号： F04C18/356 , F04C28/26 , F25B49/02
摘要： A rotary compressor and a refrigeration cycle device are provided. The rotary compressor includes a housing, an exhaust pipe and a suction pipe. The housing accommodates a motor and a compression mechanism. The exhaust pipe is communicated with a high-pressure side of the refrigeration cycle device and coupled to the housing. The suction pipe is communicated with a low-pressure side of the refrigeration cycle device and coupled to the compression mechanism. The compression mechanism has a bypass device. When the motor is stopped, gas of the housing flows into the suction pipe or a low-pressure circuit communicated with the suction pipe.

4. 发明授权

US10260504B2 Crankshaft for rotary compressor and rotary compressor having same 有权
公开(公告)号：US10260504B2
公开(公告)日：2019-04-16
申请号：US15502208
申请日：2015-06-11
申请人： GUANGDONG MEIZHI COMPRESSOR CO., LTD.
发明人： Xingbiao Zhou , Xinxin Tang
IPC分类号： F04C29/02 , F04C29/00 , F16C3/18 , F04C18/356
摘要： A crankshaft for a rotary compressor comprising a body formed with an oil supply passage; and an eccentric portion, fitted over the body, having a central axis eccentrically disposed relative to a central axis of the body, and provided with an oil outlet hole communicated with the oil supply passage and penetrating an outer peripheral wall of the eccentric portion.

5. 发明申请

US20180356132A1 AIR CONDITIONING SYSTEM AND AIR CONDITIONER HAVING THE SAME 审中-公开
公开(公告)号：US20180356132A1
公开(公告)日：2018-12-13
申请号：US15501108
申请日：2016-04-12
申请人： Guangdong Meizhi Compressor Co., Ltd.
发明人： Haiqun CHEN , Siqing LIAO , Linghua ZENG , Yanping WU
IPC分类号： F25B13/00 , F24F5/00 , F25B1/02 , F25B1/10 , F25B31/00 , F25B41/00 , F25B41/04 , F25B43/00
CPC分类号： F25B13/00 , F24F5/001 , F25B1/02 , F25B1/10 , F25B31/008 , F25B41/003 , F25B41/046 , F25B43/006 , F25B2341/0662 , F25B2400/061 , F25B2400/13 , F25B2400/23
摘要： An air conditioning system and an air conditioner having the same are provided. The air conditioning system comprises a compressor, an indoor heat exchanger, an outdoor heat exchanger, a directional control assembly, a first throttling element, a second throttling element, a gas-liquid separator and a liquid reservoir. The compressor comprises a first cylinder, a second cylinder, an exhaust port and a gas return port; an exhaust volume ratio of the second cylinder to the first cylinder is less than or equal to 0.1. The directional control assembly comprises a first valve port, a second valve port, a third valve port and a fourth valve port; when the air conditioning system is refrigerating, the first valve port is in communication with the second valve port, and the third valve port is in communication with the fourth valve port; when the air conditioning system is heating, the first valve port is in communication with third valve port, the second valve port is in communication with the fourth valve port, and a gas outlet of the gas-liquid separator is in communication with the second cylinder.

6. 发明申请

US20170335849A1 CRANKSHAFT FOR ROTATORY COMPRESSOR, ROTATORY COMPRESSOR AND REFRIGERATING CYCLE DEVICE 审中-公开
公开(公告)号：US20170335849A1
公开(公告)日：2017-11-23
申请号：US15533557
申请日：2015-05-08
申请人： Guangdong Meizhi Compressor Co., Ltd.
发明人： Kaicheng YANG , Jijiang YU , Yangbo YU
IPC分类号： F04C29/00 , F25B1/04 , F04C18/356 , F04C29/02
CPC分类号： F04C29/0057 , F04C18/356 , F04C29/02 , F04C2240/30 , F04C2240/50 , F04C2240/60 , F25B1/04 , F25B2500/16
摘要： A crankshaft for a rotary compressor includes: a body (1) and an eccentric portion (2), the eccentric portion (2) being fitted over the body (1), wherein at least one of a flexible structure (21) and an oil pressure surface (22) is arranged on the eccentric portion (2). The flexible structure (21) is configured to deform inwards when subject to an external force in an inward direction. The oil pressure surface (22) is configured in such a way that in a direction opposite to a rotating direction of a rotating central axis of a crankshaft (300), a distance between a front end (221) of the oil pressure surface (22) and the central axis of the eccentric portion (2) is smaller than a distance between a tail end (222) of the oil pressure surface (22) and the central axis of the eccentric portion (2). Also disclosed are a rotary compressor and a refrigerating cycle device. The crankshaft can effectively solve the problem that a rotary compressor gets stuck due to abnormal contact between a piston and an air cylinder, and a high-pressure oil wedge can be formed at a tail portion of an oil cavity, thereby increasing an inlet oil pressure, and improving the environment of lubrication between an eccentric portion and a piston.

7. 发明申请

US20160201677A1 REFRIGERANT FILLING ROTARY COMPRESSOR 有权
标题翻译：制冷剂灌装压缩机
公开(公告)号：US20160201677A1
公开(公告)日：2016-07-14
申请号：US14394324
申请日：2013-09-30
申请人： GUANGDONG MEIZHI COMPRESSOR CO., LTD.
发明人： Guoyong YANG , Weimin XIANG , Jijiang YU , Hong GUO , Jingtao YANG , Cheng ZHANG
IPC分类号： F04C29/12 , F04C18/356
CPC分类号： F04C29/124 , F04C18/3564 , F04C18/3568 , F04C23/001 , F04C23/008 , F04C29/128 , F04C2250/101
摘要： A refrigerant filling rotary compressor includes a shell, a compressing mechanism, an injection tube and an injection valve assembly. The compressing mechanism includes a cylinder, a main bearing, an auxiliary bearing, a crank shaft, a piston and a sliding vane. An inner wall of the cylinder chamber of the cylinder is formed with a filling mouth, and the cylinder is provided with a filling channel with a filling hole. The injection valve assembly is in a closed state when a pressure inside the cylinder chamber is higher than that in the filling hole so as to separate the filling hole from the filling mouth, and the injection valve assembly is in an open state when the pressure inside the cylinder chamber is lower than that in the filling hole so as to communicate the filling hole with the filling mouth, in which when the injection valve assembly is in the closed state, a space between the injection valve assembly and the filling mouth where a compressed gas exists is termed a clearance volume formed by the injection valve assembly, and a ratio between the clearance volume formed by the injection valve assembly and a reserve volume of the cylinder ranges from 0.3% to 1.5%.
摘要翻译：制冷剂填充旋转压缩机包括壳体，压缩机构，注射管和喷射阀组件。压缩机构包括气缸，主轴承，辅助轴承，曲轴，活塞和滑动叶片。气缸的气缸室的内壁形成有填充口，并且气缸设置有具有填充孔的填充通道。当气缸室内的压力高于填充孔中的压力时，喷射阀组件处于关闭状态，从而将填充孔与填充口分离，并且当内部的压力为内部时，喷射阀组件处于打开状态气缸室比填充孔中的气缸室低，以便使填充孔与填充口连通，当注射阀组件处于关闭状态时，该填充口在喷射阀组件和填充口之间的空间中被压缩存在气体被称为由喷射阀组件形成的间隙体积，并且由喷射阀组件形成的间隙容积与气缸的储备容积之间的比率为0.3％至1.5％。

8. 发明申请

US20220290672A1 COMPRESSOR AND REFRIGERATION SYSTEM 有权
公开(公告)号：US20220290672A1
公开(公告)日：2022-09-15
申请号：US17825258
申请日：2022-05-26
申请人： GUANGDONG MEIZHI COMPRESSOR CO., LTD.
发明人： Bin GAO , Qiang GAO , Yanhai PENG , Gaimin LI
IPC分类号： F04C28/26 , F04C29/00
摘要： A compressor and a refrigeration system are provided. The compressor has a shell, an air cylinder assembly and a pressure relief device. The shell has a containing cavity. The air cylinder assembly is disposed in the containing cavity, and has an air suction cavity and a pressure relief channel. The pressure relief channel communicates with the air suction cavity and the containing cavity, and has a pressure relief opening. The pressure relief device is connected with the air cylinder assembly. The pressure relief device moves in the axis direction of the pressure relief channel, so as to open or close the pressure relief opening.

9. 发明申请

US20210164712A1 COMPRESSOR AND REFRIGERATION DEVICE 有权
公开(公告)号：US20210164712A1
公开(公告)日：2021-06-03
申请号：US17153367
申请日：2021-01-20
申请人： GUANGDONG MEIZHI COMPRESSOR CO., LTD.
发明人： Bin GAO
IPC分类号： F25B41/26 , F25B49/02 , F25B13/00
摘要： A compressor and a refrigeration device are disclosed. The compressor has a sealing container, a motor portion and a compressing mechanism portion, and a bypass valve. The motor portion and the compressing mechanism portion are both provided in the sealing container. The compressor has an exhaust side and a suction side spaced apart from each other. The exhaust side is connected to the bypass valve. The exhaust side is suitable for exhausting air to external parts through the bypass valve, or suitable for communicating with the suction side through the bypass valve.

10. 发明申请

US20200332787A1 COMPRESSOR AND REFRIGERATION APPARATUS 审中-公开
公开(公告)号：US20200332787A1
公开(公告)日：2020-10-22
申请号：US16919283
申请日：2020-07-02
申请人： GUANGDONG MEIZHI COMPRESSOR CO., LTD.
发明人： Zhengzhong QIAO , Xiaohua QIU , Linshu MAO , Fei XU , Yulong WANG
IPC分类号： F04B35/04 , F25B31/02
摘要： A compressor and a refrigeration apparatus are provided. The housing of the compressor has a first terminal and a second terminal. The motor of the compressor has a stator, a first line group and a second line group. The first line group extends from a first position of an end face of the stator and is connected to the first terminal. The second line group extends from a second position of the end face and is connected to the second terminal. A midpoint between the first position and the second position defines a middle point. A plane passing through the middle point and an axis of an output shaft of the motor is defined as a middle plane. The first terminal and the first position are at one side of the middle plane. The second terminal and the second position are at the other side of the middle plane.

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