Patents by Inventor Yusheng Hu

Yusheng Hu 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).

  • Publication number: 20190178237
    Abstract: Provided is a linear compressor comprising a cylinder, a piston, a cylinder shell, a linear motor stator, a magnetic levitation bearing and a rotor. One end of the cylinder shell is sleeved on the cylinder, and another end of the cylinder shell is provided with a mounting cavity communicating with the cylinder cavity. A cavity wall of the mounting cavity is respectively provided with a stator mounting groove and a protrusion in a circumferential direction thereof. The linear motor stator is mounted in the stator mounting groove. The magnetic levitation bearing is disposed on the cavity wall of the mounting cavity. The rotor comprises a rotor bracket and a magnetic member disposed on the rotor bracket; the rotor bracket is connected with the piston. The use of magnetic levitation bearing can avoid mechanical friction caused by direct contact of the rotor with the linear motor stator.
    Type: Application
    Filed: February 16, 2019
    Publication date: June 13, 2019
    Inventors: Yusheng HU, Huijun Wei, Chuanshun Huang, Zhong Cui, Cheng Liu
  • Publication number: 20190163846
    Abstract: A method using drive test data for propagation model calibration includes: step 1, obtaining original drive test data; step 2, selecting the data from the drive test data according to predefined conditions as effective drive test data; and step 3, extracting the effective drive test data to form a data file used for propagation model calibration. An apparatus using drive test data for propagation model calibration includes: a drive test data obtaining module, configured to obtain the drive test data in the regions to be calibrated; an effective drive test data generation module, configured to generate effective drive test data from the drive test data according to predefined conditions; and a data file generation module, configured to extract the effective drive test data to form a data file used for propagation model calibration. The present invention utilizes drive test data of existing networks to largely decrease the CW test work and reduce the network building cost.
    Type: Application
    Filed: May 29, 2018
    Publication date: May 30, 2019
    Inventors: Yusheng Zhang, Sheng Zhou, Chenguang Wei, Li Zhang, Peng Gao, Wuije Hu, Yanyun Zhu, Wenhua Ma, Pei Zhao, Yaxi Hu, Hongbin Jin, Jing Yuan, Bin Zhang, Hanhui Wei, Hai Fu
  • Patent number: 10253809
    Abstract: A shaft control method and device for a magnetic suspension system. The shaft control method for the magnetic suspension system includes: acquiring a displacement signal obtained by detecting displacement of a shaft in the magnetic suspension system (Step 101); separating whirling displacement from the displacement signal (Step 102); and controlling whirling of the shaft according to the whirling displacement (Step 103). By the disclosure, the effect of suppressing the whirling of the shaft during high-speed rotation of the magnetic suspension system is achieved.
    Type: Grant
    Filed: August 1, 2014
    Date of Patent: April 9, 2019
    Assignee: GREEN REFRIGERATION EQUIPMENT ENGINEERING RESEARCH CENTER OF ZHUHAI GREE CO., LTD.
    Inventors: Hui Huang, Yusheng Hu, Dongsuo Chen, Yan Li, Weilin Guo, Daofu Hu
  • Publication number: 20190085902
    Abstract: A magnetic levitation bearing assembly, including: a magnetic levitation bearing, a shell, and a working clearance adjusting device; the magnetic levitation bearing includes a first iron core, a second iron core and a thrust disk; the working clearance adjusting device is arranged between a radial inner periphery of the shell and the thrust disk along the radial direction, and between the shell and the second iron core along the axial direction; an axial end of the working clearance adjusting device is abutted against the second iron core, a void gap is provided between the shell and the second iron core, an adjustment on the magnetic levitation bearing working clearance is made possible by altering the length between two axial ends of the working clearance adjusting device, such that the working clearance is consistent with a design value.
    Type: Application
    Filed: January 22, 2017
    Publication date: March 21, 2019
    Applicant: GREE GREEN REFRIGERATION TECHNOLOGY CENTER CO., LTD. OF ZHUHAI
    Inventors: Gao GONG, Yusheng HU, Xiaobo ZHANG, Jianning LIU, Fang ZHANG, Siyuan TIAN, Jinxin JIA, Changguang GUO, Guanghai LI, Qiong WEI
  • Patent number: 10209095
    Abstract: The present invention provides an eddy current sensor, comprising: a housing; a plurality of probes which are all disposed inside the housing, probing ends of the probes being all disposed at inner side of an exterior surface of the housing to avoid the probing ends of the probes from protruding out of the exterior surface of the housing. Because the probing ends of the plurality of probes are all located at the inner side of the exterior surface of the housing, the housing will protect the probes when the eddy current sensor is hit by an external force, thereby avoiding damage of the probes due to the impact, which reduces fault rate of the probes, enhances use reliability of the eddy current sensor, and prolongs service life of the eddy current sensor.
    Type: Grant
    Filed: July 6, 2015
    Date of Patent: February 19, 2019
    Assignee: Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
    Inventors: Yusheng Hu, Weicai Huang, Jiqing Geng, Zhichang Liu
  • Publication number: 20190048930
    Abstract: An axial magnetic bearing includes a bearing body and a protective device. The bearing body includes a stator and a rotor. The protective device includes a first assembly fixedly mounted relative to the stator and a second assembly fixedly mounted relative to the rotor. One of the first assembly and the second assembly includes a first stopping portion, and the other of the first assembly and the second assembly includes a second stopping portion and a third stopping portion. A part of the first stopping portion is axially located between the second stopping portion and the third stopping portion. A protection gap of the protective device is smaller than a working gap of the bearing body.
    Type: Application
    Filed: January 23, 2017
    Publication date: February 14, 2019
    Applicant: GREE GREEN REFRIGERATION TECHNOLOGY CENTER CO., LTD. OF ZHUHAI
    Inventors: Fang ZHANG, Yusheng HU, Xiaobo ZHANG, Jianning LIU, Gao GONG, Siyuan TIAN, Jinxin JIA, Changguang GUO, Guanghai LI, Jiuzhan SU, Chao ZHANG
  • Publication number: 20190036397
    Abstract: A synchronous reluctance motor rotor, including: a rotor core, wherein the rotor core includes a plurality of magnetic-flux barrier groups, and each magnetic-flux barrier group includes at least two magnetic-flux barriers provided at an interval in a radial direction of the rotor core; the rotor core further includes magnetic bridges, the magnetic bridges are disposed within the magnetic-flux barriers and connect inner surfaces of the magnetic-flux barriers with outer surfaces of the magnetic-flux barriers, and a distance between the magnetic bridges and an outer edge of the rotor core is no less than a predetermined distance.
    Type: Application
    Filed: January 23, 2017
    Publication date: January 31, 2019
    Applicant: GREE GREEN REFRIGERATION TECHNOLOGY CENTER CO. LTD. OF ZHUHAI
    Inventors: Tong TONG, Yusheng HU, Bin CHEN, Suhua LU
  • Patent number: 10190628
    Abstract: Disclosed are a magnetic bearing and a centrifugal compressor. The magnetic bearing comprises a revolving shaft (110) and an electromagnetic component, wherein the electromagnetic component is arranged around an outer periphery of the revolving shaft (110), and a gap is formed between the electromagnetic component and the revolving shaft (110) for adjusting a position of the revolving shaft (110). The electromagnetic component comprises an iron core (120) with a winding slot, and coils (150). The coils (150) are arranged in the winding slot. The magnetic bearing (100) also comprises a protection mechanism (140), which is configured to prevent the revolving shaft (110) from colliding with the electromagnetic component, thereby achieving the purpose of axially protecting the magnetic bearing (100). The centrifugal compressor comprises the magnetic bearing (100), thereby obtaining axial protection and prolonging service life.
    Type: Grant
    Filed: September 3, 2014
    Date of Patent: January 29, 2019
    Assignee: Green Refrigeration Equipment Engineering Research Center of Zhuhai Gree Co., Ltd.
    Inventors: Hui Huang, Yusheng Hu, Dongsuo Chen, Fang Zhang, Xiaobo Zhang, Jianning Liu
  • Publication number: 20190024662
    Abstract: Provided are a compressor and a refrigeration system having the same. The compressor includes: a housing, a lower flange structure, a first compression cylinder and a second compression cylinder. The first compression cylinder includes a cylinder body, a roller and a sliding vane. A sliding vane groove is provided on an inner wall of the cylinder body. The roller is provided in the cylinder body. The sliding vane is provided in the sliding vane groove and matched with the roller. A first reset member is provided between the sliding vane and the sliding vane groove. A lock groove in positional correspondence to a pin groove is provided on the sliding vane. A first cavity is formed between the sliding vane and the sliding vane groove. A second cavity is formed between a pin and the sliding vane. A third cavity is formed between the pin and the pin groove.
    Type: Application
    Filed: January 20, 2017
    Publication date: January 24, 2019
    Inventors: Jian Wu, Hui Huang, Yusheng Hu, Huijun Wei, Ouxiang Yang, Sheng Chen, Huifang Luo
  • Publication number: 20180355868
    Abstract: Disclosed is a scroll compressor comprising a housing (11); a crankshaft rotor assembly (12) and a stator assembly (13) which are disposed inside the housing (11); a frame (16), which is provided inside the housing (11) and corresponds to the refrigerant inlet (17), the frame (16) dividing the interior cavity of the housing (11) into an independent upper cavity (18) and an independent lower cavity (19); a first baffle component (20) is arranged on the frame (16) at a position corresponding to the refrigerant inlet (17); a second baffle component (21) extends through the frame (16) and connects the upper cavity (18) to the lower cavity (19); the frame (16) is provided with an oil guide hole; an oil dispersing device is arranged at an outlet of the oil guide hole to disperse oil. Also provided is an electrical product comprising the scroll compressor.
    Type: Application
    Filed: September 21, 2016
    Publication date: December 13, 2018
    Inventors: Jian DIAO, Qiuhe GUO, Yusheng HU, Zhenwen CAO, Xiaolei LI
  • Publication number: 20180356202
    Abstract: Provided are a method and a system for detecting bend in the rotating shaft of magnetic bearing. The system comprises a first displacement sensor, a second displacement sensor, and a processor electrically connected with the first displacement sensor and the second displacement sensor; the processor comprises a calculating unit, a first judging unit and a second judging unit; the calculating unit is configured to calculate center positions of the rotating shaft stopping at different positions during rotating a circle; the first judging unit judges whether the rotating shaft is bent or not according to a curve of the changed center positions, and outputs a test result of qualification if the rotating shaft is not bent. Users are able to determine whether the rotating shaft needs to be processed or not, to avoid causing destructive effects on the magnetic bearing system due to excessive bend degree of the rotating shaft.
    Type: Application
    Filed: September 20, 2016
    Publication date: December 13, 2018
    Inventors: Yusheng HU, Weilin GUO, Daofu HU, Yongling HE, Bin YANG
  • Patent number: 10151513
    Abstract: The invention discloses an expansion compressor apparatus and an air conditioner having the same, wherein the expansion compressor apparatus includes: an expansion cylinder, a compression cylinder, and a connecting shaft, an expansion cylinder air suction passage communicated with an air suction cavity of the expansion cylinder being provided on the expansion cylinder, the expansion compressor apparatus further includes: a control cylinder, the control cylinder being provided with a control cylinder air suction passage and a control cylinder air exhaust passage, both the control cylinder air suction passage and the control cylinder air exhaust passage being provided in a radial direction of the control cylinder, and a communication passage being provided between the control cylinder air exhaust passage and the expansion cylinder air suction passage. The apparatus effectively solves the problem in the prior art that a high-pressure fluid exerts an impact force in an axial direction on a fan-shaped cam.
    Type: Grant
    Filed: July 8, 2014
    Date of Patent: December 11, 2018
    Assignee: GREE GREEN REFRIGERATION TECHNOLOGY CENTER CO., LTD. OF ZHUHAI
    Inventors: Zhili Liang, Yusheng Hu, Jia Xu, Liping Ren
  • Publication number: 20180298903
    Abstract: Provided is a variable-capacity mechanism for a scroll compressor. The scroll compressor includes a compression mechanism. The compression mechanism includes a fixed scroll and an orbiting scroll for defining a series of compression cavities. The variable-capacity mechanism includes: a discharge channel, suitable for communicating a medium-pressure compression cavity in the compression cavities with a low-pressure region; blocking members, suitable for selectively opening or closing the discharge channel; an actuation device, including an execution member, the blocking members being connected to the execution member so as to selectively open or close the discharge channel along with the actions of the execution member. Multiple blocking members are connected to a single execution member so as to synchronously move along with the actions of the single execution member. By the variable-capacity mechanism, action synchronization of multiple blocking members can be reliably implemented.
    Type: Application
    Filed: September 28, 2016
    Publication date: October 18, 2018
    Inventors: GUOBIAO JIANG, XIAOLEI LI, CAIXIA SHAN, YUSHENG HU, QI FANG
  • Publication number: 20180287442
    Abstract: The invention discloses an electric motor and a tangential type permanent magnet rotor. The tangential type permanent magnet rotor includes a rotor iron core (2) and permanent magnets (1) provided on the rotor iron core (2); a width of one side, close to the outer edge of the rotor iron core (2), of each of the permanent magnets (1) is H2; and a width of one side, close to the center of the rotor iron core (2), of each of the permanent magnets (1) is H1, wherein H2>H1. The tangential type permanent magnet rotor enables the width H2 of a permanent magnet part close to the outer edge of the rotor iron core to be larger, and enables the width H1 of a permanent magnet part close to the center of the rotor iron core to be smaller.
    Type: Application
    Filed: June 2, 2016
    Publication date: October 4, 2018
    Inventors: YONG XIAO, YUSHENG HU, BIN CHEN
  • Publication number: 20180245591
    Abstract: 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: Application
    Filed: June 1, 2016
    Publication date: August 30, 2018
    Inventors: YUSHENG HU, JIA XU, ZHONGCHENG DU, LIPING REN, SEN YANG, LINGCHAO KONG, LIYING DENG, RONGTING ZHANG, JINQUAN ZHANG
  • Publication number: 20180231000
    Abstract: Disclosed is a compressor, including a crankshaft (10), and a first cylinder (20), a second cylinder (30) and a third cylinder (40) arranged sequentially in an axial direction of the crankshaft (10). The first cylinder (20) is a high-pressure cylinder, and the second cylinder (30) and the third cylinder (40) are low-pressure cylinders. The compressor also comprises a capacity variation switching mechanism (50) for controlling loading and unloading of the third cylinder (40). The compressor has a full operation mode and a partial operation mode. By means of the capacity variation switching mechanism (50) provided in the compressor, at least one cylinder is allowed to be put into use or unloaded under the action of the capacity variation switching mechanism (50), thus enabling a capacity variation switching function of the compressor to meet operational requirements of different operating conditions.
    Type: Application
    Filed: June 1, 2016
    Publication date: August 16, 2018
    Inventors: Yusheng HU, Huijun WEI, Jian WU, Ouxiang YANG, Sheng CHEN, Huifang LUO, Liping LIAO, Peng ZOU
  • Publication number: 20180172072
    Abstract: A control method for a magnetic bearing comprises following steps: acquiring a suspension stopping instruction for the magnetic bearing, and respectively applying a control current to one or more control coils of the magnetic bearing to subject a rotor to a vertically or obliquely upwards electromagnetic force, a vertical component of the electromagnetic force is less than the gravity of the rotor. A control device for a magnetic bearing is also disclosed, comprising a suspension stopping instruction acquiring unit and a control current applying unit. The control method and control device for a magnetic bearing can control a falling velocity of the rotor to be lower than that of the rotor being subjected only to the gravity, and have higher control efficiency.
    Type: Application
    Filed: May 27, 2016
    Publication date: June 21, 2018
    Inventors: Daofu HU, Yusheng HU, Weilin GUO, Yongling HE, Bin YANG, Xue LI
  • Patent number: 9954737
    Abstract: Embodiments provide a policy formulating method. The method includes: receiving, by a policy server, User-Agent information sent by a gateway, where the User-Agent information carries type information of a terminal or type information of a browser used by a terminal; determining, by the policy server, a type of the terminal according to the User-Agent information; and formulating, by the policy server, a charging policy and/or a QoS quality of service policy according to the type of the terminal. Type information of a user terminal or type information a browser used by a terminal is reported to a policy server. The policy server is capable of correctly distinguishing a terminal type, for example a mobile phone or a PC is surfing the Internet, and then the policy server formulates a corresponding policy to implement Internet access charging and QoS guarantee.
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: April 24, 2018
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yusheng Hu, Xiang Hu
  • Publication number: 20180097412
    Abstract: Disclosed are a permanent magnet motor rotor (110) and a permanent magnet synchronous motor (100). The permanent magnet motor rotor (110) comprises: a rotor core (111); tangentially magnetized main-pole permanent magnets (112), the main-pole permanent magnets (112) being disposed in a radial direction of the rotor core (111), the main-pole permanent magnets (112) being uniformly arranged in a circumferential direction of the rotor core (111), and the closest surfaces of any two adjacent main-pole permanent magnets (112) having same magnetic poles; and an auxiliary permanent magnet (113) being disposed in the radial direction of the rotor core (111), the auxiliary permanent magnet (113) being located between any two adjacent main-pole permanent magnets (112), so as to raise the operating point of the main-pole permanent magnet, thereby achieving the purpose that the demagnetization resistance capacity of the main-pole permanent magnet is improved, and the demagnetization risk is reduced.
    Type: Application
    Filed: November 22, 2017
    Publication date: April 5, 2018
    Applicant: GREE GREEN REFRIGERATION TECHNOLOGY CENTER CO., LTD OF ZHUHAI
    Inventors: Yong Xiao, Yusheng Hu, Bin Chen
  • Patent number: 9923823
    Abstract: The present invention provides a flow control method and a device. The method includes: obtaining, by a gateway, a data packet of a user; determining N value-added services required by the data packet, where N is an integer greater than or equal to 1; modifying a first IP address in the data packet to an Mth IP address in an address sequence, where the first IP address is an IP address of a network server, M is a positive integer greater than or equal to 1, the address sequence is an IP address set allocated by the gateway to the user, and a correspondence exists between an address in the address sequence and a value-added service; sending a modified data packet to a value-added service server corresponding to the Mth IP address.
    Type: Grant
    Filed: December 24, 2015
    Date of Patent: March 20, 2018
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Xu Wang, Qingchun Lin, Yusheng Hu, Ying Du