Patents by Inventor Liping Ren
Liping Ren 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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Patent number: 11168692Abstract: Disclosed is a compressor including a cylinder, an upper flange and a lower flange respectively provided on an upper side and a lower side of the cylinder, and a main shaft having a sliding vane mounting portion. The sliding vane mounting portion of the main shaft is provided with at least two sliding vanes. Two rotary plates are provided. One rotary plate is provided between the sliding vane mounting portion and the upper flange, and another rotary plate is provided between the sliding vane mounting portion and the lower flange. Each of the rotary plates is fixedly connected with the main shaft and provided with exhaust openings in one-to-one correspondence with the exhaust sides of the sliding vanes and exhaust valves configured to control opening/closing of respective exhaust openings. The upper flange and the lower flange are both provided with exhaust passages corresponding to respective exhaust openings of each rotary plate.Type: GrantFiled: September 28, 2017Date of Patent: November 9, 2021Assignee: GREE GRFEN REFRIGERATION TECHNOLOGY CENTER CO., LTD. OF ZHUHAIInventors: Hui Huang, Pengkai Wan, Yusheng Hu, Jia Xu, Liping Ren, Fayou Luo, Fei Wu
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Publication number: 20210340980Abstract: Provided is a piston limiting structure, including: a cylinder, a piston, and a flange provided with a limiting piece, the cylinder has a piston hole perpendicular to an axial direction of the cylinder and penetrating through the cylinder, and a projection of the piston hole in a penetrating direction is circular; the piston is disposed in the piston hole in a form-fit manner and is slid in the piston hole in a reciprocating manner, a side wall of the piston is provided with a thrust groove, a bottom surface of the thrust groove forms a thrust surface on the side wall of the piston, and the thrust groove does not penetrate through two ends of the side wall of the piston along an axial length of the piston; and the limiting piece abuts against the thrust surface.Type: ApplicationFiled: September 20, 2019Publication date: November 4, 2021Inventors: Jia XU, Yusheng HU, Huijun WEI, Sen YANG, Zhongcheng DU, Zhi LI, Liping REN, Shebing LIANG, Rongting ZHANG, Zhengliang SHI, Ning DING, Yibo LIU, Shuang GUO, Liping LIAO
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Publication number: 20210249402Abstract: A TVS circuit having a first diode with a cathode coupled to a first terminal and an anode coupled to a first node. A second diode has an anode coupled to a second node and a cathode coupled to a third node. A third diode is coupled between the first node and second node. A fourth diode is coupled between the first node and third node. A fifth diode is coupled between the second node and a second terminal. A sixth diode is coupled between the second terminal and the third node. A seventh diode can be coupled between the second terminal and an intermediate node between the fifth diode and sixth diode. The first diode is disposed on a first semiconductor die, while the second diode is disposed on a second semiconductor die. Alternatively, the first diode and second diode are disposed on a single semiconductor die.Type: ApplicationFiled: February 11, 2020Publication date: August 12, 2021Applicant: Semtech CorporationInventors: Liping Ren, William Allen Russell
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Publication number: 20210239117Abstract: The disclosure discloses a slide vane, a pump body assembly, a compressor and an air conditioner having the same. The pump body assembly includes a cylinder assembly, a flange portion, a rotating shaft and the slide vane. The flange portion is connected to the cylinder assembly, a working cavity is formed between the flange portion and the cylinder assembly, and an avoidance portion is provided on a surface, located in the working cavity, of the flange portion. A limiting structure is provided in an accommodation portion. The limiting structure is provided with an avoidance position in the accommodation portion, and at least part of the limiting structure is provided with a limiting position protruded out of a surface of the accommodation portion. Such a configuration avoids friction occurring between the head of the slide vane and the cavity wall of the working cavity.Type: ApplicationFiled: December 12, 2018Publication date: August 5, 2021Inventors: Jia XU, Liping REN, Qingfu ZHAO, Peng LIU, Xiaotong CHENG, Guanghui WANG, Pengkai WAN
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Patent number: 11067083Abstract: A compressor includes a low-pressure stage cylinder, a first high-pressure stage cylinder and a second high-pressure stage cylinder which are stacked, a partition is arranged between each two adjacent cylinders, the first and second high-pressure stage cylinders are both situated at a same side of the low-pressure stage cylinder or respectively situated at two sides of the low-pressure stage cylinder, the lower flange is situated below the low-pressure stage cylinder, the first high-pressure stage cylinder and the second high-pressure stage cylinder. A first sliding sheet is provided in the first high-pressure stage cylinder, a second sliding sheet is provided in the second high-pressure stage cylinder, and a third sliding sheet is provided in the low-pressure stage cylinder. The first and the second high-pressure stage cylinders are arranged in parallel, and the first and second high-pressure stage cylinders arranged in parallel are connected to the low-pressure stage cylinder in series.Type: GrantFiled: April 10, 2015Date of Patent: July 20, 2021Assignee: GREE ELECTRIC APPLIANCES, INC. OF ZHUHAIInventors: Hui Huang, Yusheng Hu, Huijun Wei, Jian Wu, Ouxiang Yang, Shebing Liang, Liping Ren, Huifang Luo, Hongwei Zhu, Jia Xu
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Patent number: 11067077Abstract: Disclosed is a rotating cylinder enthalpy-adding piston compressor. The compressor is a two-stage rotating cylinder piston compressor, including a first-stage rotating gas cylinder, a first gas cylinder liner, a first piston, and a second-stage rotating gas cylinder, a second gas cylinder liner, and a second piston, and further including an enthalpy-adding assembly connected between the first-stage rotating gas cylinder and the second-stage rotating gas cylinder for supplying gas and adding enthalpy between the two stages of rotating cylinders.Type: GrantFiled: December 28, 2018Date of Patent: July 20, 2021Assignee: Gree Green Refrigeration Technology Center CO., LTD. of ZhuhaiInventors: Hui Huang, Yusheng Hu, Lingchao Kong, Zhongcheng Du, Sen Yang, Jia Xu, Liping Ren
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Publication number: 20210207590Abstract: A pump assembly, fluid machinery, and a heat exchange device. The pump assembly includes: a lower flange; a lower friction-reducing ring; a cylinder, the lower friction-reducing ring being disposed inside the cylinder, and the lower flange being disposed below the cylinder; and a piston assembly arranged inside the cylinder and includes a piston sleeve and a piston slidably arranged inside the piston sleeve. The lower friction-reducing ring has a central hole. A position-limiting protrusion is disposed on a surface of the piston sleeve, which faces the lower flange. The limiting protrusion extends into the central hole of the lower friction-reducing ring, fits and is limited by the lower flange.Type: ApplicationFiled: December 13, 2018Publication date: July 8, 2021Inventors: Huijun WEI, Jia XU, Zhongcheng DU, Sen YANG, Zhi LI, Shebing LIANG, Liping REN, Rongting ZHANG, Zhengliang SHI, Xixing LIU
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Publication number: 20210156379Abstract: A pump body assembly, fluid machinery, and a heat exchange device. The pump body assembly includes: at least two structure members; a cylinder (20) disposed between the two structure members; and a piston assembly disposed in the cylinder (20). The piston assembly includes a piston sleeve (40) and a piston (50) slidably disposed in the piston sleeve (40); an upper end surface of the piston sleeve (40) fits and is limited by a lower end surface of one structure member disposed above the piston sleeve (40), so as to prevent the piston sleeve (40) from displacing along a radial direction relative to the one structure member, thereby effectively solving a problem in prior art that working efficiency of the pump body assembly is affected because the piston sleeve (40) of the pump body assembly is prone to eccentrically rotate.Type: ApplicationFiled: December 13, 2018Publication date: May 27, 2021Inventors: Yusheng HU, Huijun WEI, Jia XU, Zhongcheng DU, Sen YANG, Zhi LI, Liping REN, Shebing LIANG, Rongting ZHANG, Zhengliang SHI, Xixing LIU, Pengkai WAN
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Patent number: 10989194Abstract: A compressor pump structure comprises a rotating shaft, a piston, a cylinder, a cylinder sleeve, a lower flange and an upper flange, the central axis of the rotating shaft being arranged eccentrically with respect to the central axis of the cylinder, the rotating shaft being slidably arranged in the piston, the piston being movably arranged in the cylinder and forming two volume-variable chambers with the cylinder, the piston comprising two first sliding planes arranged opposite one another and two first contacting planes arranged opposite one another, the first contacting plane on the upper side being in sealing contact with the upper flange, and the first contacting plane on the lower side being in sealing contact with the lower flange. Also disclosed is a compressor with the compressor pump structure.Type: GrantFiled: February 15, 2017Date of Patent: April 27, 2021Assignee: GREE GREEN REFRIGERATION TECHNOLOGY CENTER CO., LTD. OF ZHUHAIInventors: Hui Huang, Zhongcheng Du, Jia Xu, Sen Yang, Liping Ren, Lingchao Kong, Shebing Liang, Jinquan Zhang, Rongting Zhang
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Patent number: 10941771Abstract: A fluid machine, heat exchanger, and operating method of fluid machine. The fluid machine includes: a rotation shaft (10), a cylinder (20), and a piston assembly (30). The rotation shaft (10) and the cylinder (20) are eccentrically disposed relative to each other and an eccentric distance is fixed. The piston assembly (30) has a variable volume chamber (31). Because the eccentric distance between the rotation shaft (10) and the cylinder (20) is fixed, the rotation shaft (10) and the cylinder (20) rotate about their respective axes thereof during motion and the position of center of mass remains unchanged, so that the piston assembly (30) is allowed to rotate stably and continuously when moving in the cylinder (20); and vibration of the fluid machine is mitigated, a regular pattern for changes in the volume of the variable volume cavity is ensured.Type: GrantFiled: June 1, 2016Date of Patent: March 9, 2021Assignee: GREE GREEN REFRIGERATION TECHNOLOGY CENTER CO., LTD. OF ZHUHAIInventors: Yusheng Hu, Jia Xu, Zhongcheng Du, Liping Ren, Sen Yang, Lingchao Kong, Liying Deng, Rongting Zhang, Jinquan Zhang
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Patent number: 10851781Abstract: A compressor pump structure has a cylinder sleeve provided between an upper flange and a lower flange; a cylinder is provided inside the cylinder sleeve; a piston is slidably arranged inside the cylinder; a volume-variable chamber is formed among the cylinder sleeve, the cylinder and the piston; a rotating shaft passes through the piston, the axis of the rotating shaft being eccentrically disposed with respect to the axis of the cylinder with a fixed eccentricity; the rotating shaft drives the piston and the cylinder to rotate; and the piston slides within the cylinder while rotating so as to change the volume of the volume-variable chamber. Further disclosed is a compressor which comprises a compressor pump structure.Type: GrantFiled: January 23, 2017Date of Patent: December 1, 2020Assignee: GREE GREEN REFRIGERATION TECHNOLOGY CENTER CO., LTD. OF ZHUHAIInventors: Yusheng Hu, Zhongcheng Du, Jia Xu, Liping Ren, Sen Yang, Lingchao Kong, Qingfu Zhao, Jiakui Xu, Ning Ding
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Publication number: 20200150547Abstract: A method, system and program for determining a position of a feature referenced to a substrate. The method includes measuring a position of the feature, receiving an intended placement of the feature and determining an estimate of a placement error based on knowledge of a relative position of a first reference feature referenced to a first layer on a substrate with respect to a second reference feature referenced to a second layer on a substrate. The updated position may be used to position the layer of the substrate having the feature, or another layer of the substrate, or another layer of another substrate.Type: ApplicationFiled: January 16, 2020Publication date: May 14, 2020Applicant: ASML NETHERLANDS B.V.Inventors: Ralph Timotheus HUIJGEN, Marc Jurian Kea, Marcel Theodorus Maria Van Kessel, Masashi Ishibashi, Chi-Hsiang Fan, Hakki Ergün Cekli, Youping Zhang, Maurits Van Der Schaar, Liping Ren
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Publication number: 20200132073Abstract: The present disclosure provides a compressor and an air conditioner having the same. The compressor includes: a main shaft with a convex portion and a slip sheet; a cylinder; and an air inlet and outlet device including a disk body and an air suction port including an outer side, an inner side and a connecting side located between the outer side and the inner side, wherein the outer side is overlapped with an inner wall of the cylinder or is located on the inner side of the inner wall of the cylinder, the inner side is overlapped with an outer wall of the convex portion or is located on the outer side of the convex portion, and the connecting side is overlapped with a side wall of the slip sheet or is located on the inner side of the side wall of the slip sheet.Type: ApplicationFiled: December 25, 2017Publication date: April 30, 2020Inventors: Hui Huang, Yusheng Hu, Pengkai Wan, Jia Xu, Liping Ren, Fayou Luo, Fei Wu
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Patent number: 10626858Abstract: A fluid machinery, a heat exchange equipment, and an operating method for the fluid machinery. The fluid machinery includes: an upper flange (50); a lower flange (60); a cylinder (20); a rotating shaft (10), the axis of the rotating shaft (10) being eccentric to the axis of the cylinder (20) and at a fixed eccentric distance; and a piston component (30), the piston component (30) being provided with a variable volume cavity (31). Because the eccentric distance between the rotating shaft (10) and the cylinder (20) is fixed, the rotating shaft (10) and the cylinder (20) rotate around the respective axes thereof during motion, and the position of the center of mass remains unchanged, so that the piston component is allowed to rotate stably and continuously when moving within the cylinder (20); and vibration of the fluid machinery is effectively mitigated.Type: GrantFiled: June 1, 2016Date of Patent: April 21, 2020Assignee: GREE GREEN REFRIDGERATION TECHNOLOGY CENTER CO., LTD. OF ZUHAIInventors: Zhongcheng Du, Jia Xu, Liping Ren, Lingchao Kong, Sen Yang, Rongting Zhang, Shebing Liang, Liying Deng, Jiakui Xu, Jinquan Zhang, Zhengliang Shi
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Patent number: 10578980Abstract: A method, system and program for determining a position of a feature referenced to a substrate. The method includes measuring a position of the feature, receiving an intended placement of the feature and determining an estimate of a placement error based on knowledge of a relative position of a first reference feature referenced to a first layer on a substrate with respect to a second reference feature referenced to a second layer on a substrate. The updated position may be used to position the layer of the substrate having the feature, or another layer of the substrate, or another layer of another substrate.Type: GrantFiled: November 23, 2017Date of Patent: March 3, 2020Assignee: ASML Netherlands B.V.Inventors: Ralph Timotheus Huijgen, Marc Jurian Kea, Marcel Theodorus Maria Van Kessel, Masashi Ishibashi, Chi-Hsiang Fan, Hakki Ergün Cekli, Youping Zhang, Maurits Van Der Schaar, Liping Ren
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Publication number: 20200018314Abstract: Disclosed are a compressor and exhaust structure thereof. The exhaust structure includes a cylinder, an upper flange and a lower flange respectively provided on an upper side and a lower side of the cylinder, and a main shaft having a sliding vane mounting portion. The sliding vane mounting portion of the main shaft is provided with at least two sliding vanes. A rotary plate is provided between the sliding vane mounting portion and at least one of the upper flange and the lower flange; the rotary plate is fixedly connected with the main shaft, and provided with exhaust openings and exhaust valves configured to control opening/closing of respective exhaust openings. The exhaust structure of the compressor is capable of avoiding a problem that a valve plate is prone to fatigue damages, while also increasing the operating frequency and a maximum refrigerating capacity of the compressor.Type: ApplicationFiled: September 28, 2017Publication date: January 16, 2020Inventors: Hui HUANG, Pengkai WAN, Yusheng Hu, Jia XU, Liping REN, Fayou LUO, Fei WU
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Publication number: 20190339211Abstract: A method, system and program for determining a position of a feature referenced to a substrate. The method includes measuring a position of the feature, receiving an intended placement of the feature and determining an estimate of a placement error based on knowledge of a relative position of a first reference feature referenced to a first layer on a substrate with respect to a second reference feature referenced to a second layer on a substrate. The updated position may be used to position the layer of the substrate having the feature, or another layer of the substrate, or another layer of another substrate.Type: ApplicationFiled: November 23, 2017Publication date: November 7, 2019Inventors: Ralph Timotheus HUIJGEN, Marc Jurian KEA, Marcel Theodorus Maria VAN KESSEL, Masashi ISHIBASHI, Chi-Hsiang FAN, Hakki Ergün CEKLI, Youping ZHANG, Maurits VAN DER SCHAAR, Liping REN
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Patent number: 10465685Abstract: The invention discloses a compressor. The compressor includes a first primary cylinder, a second primary cylinder and a secondary cylinder, which are stacked, a separator is provided between two adjacent cylinders. The first primary cylinder is provided with a first air entry, the second primary cylinder is provided with a second air entry, and the secondary cylinder is provided with an air outlet. The first primary cylinder and the second primary cylinder are connected in serial to the secondary cylinder after being connected in parallel. A refrigerant entering the first air entry and the second air entry is discharged from the air outlet after primary or/and secondary compression. The two separators are divided into a first separator and a second separator. Any one or two of the first separator, the second separator and a lower flange may be provided with a slide piece control device.Type: GrantFiled: April 30, 2015Date of Patent: November 5, 2019Assignee: GREEN REFRIGERATION EQUIPMENT ENGINEERING RESEARCH CENTER OF ZHUHAI GREE CO., LTD.Inventors: Hui Huang, Yusheng Hu, Huijun Wei, Liping Ren, Jia Xu, Jian Wu, Ouxiang Yang, Shebing Liang, Huifang Luo, Hongwei Zhu
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Patent number: 10451070Abstract: Disclosed are a sliding vane compressor and an exhaust structure thereof. The exhaust structure of the sliding vane compressor includes: an exhaust hole, the exhaust hole being formed in a flange of the sliding vane compressor and being in communication with a compression cavity of a cylinder of the sliding vane compressor; a guide channel, the guide channel being formed on the flange and penetrating through the flange; and an exhaust channel, the exhaust channel being formed on an eccentric circle of the sliding vane compressor, and the exhaust channel being used for communicating the compression cavity with the guide channel using the rotation of the eccentric circle. The sliding vane compressor and the exhaust structure thereof have a small exhaust loss, thereby effectively reducing the power consumption and the production and manufacturing costs of the sliding vane compressor.Type: GrantFiled: August 27, 2015Date of Patent: October 22, 2019Assignee: Gree Green Refrigeration Technology Center Co., Ltd. of ZhuhaiInventors: Pengkai Wang, Jia Xu, Liping Ren, Fayou Luo, Fei Wu
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Publication number: 20190249664Abstract: Disclosed is a rotating cylinder enthalpy-adding piston compressor. The compressor is a two-stage rotating cylinder piston compressor, including a first-stage rotating gas cylinder, a first gas cylinder liner, a first piston, and a second-stage rotating gas cylinder, a second gas cylinder liner, and a second piston, and further including an enthalpy-adding assembly connected between the first-stage rotating gas cylinder and the second-stage rotating gas cylinder for supplying gas and adding enthalpy between the two stages of rotating cylinders.Type: ApplicationFiled: December 28, 2018Publication date: August 15, 2019Inventors: Hui HUANG, Yusheng HU, Lingchao KONG, Zhongcheng DU, Sen YANG, Jia XU, Liping REN