Patents by Inventor Xiaokui Ma

Xiaokui Ma 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: 20240401852
    Abstract: The present application provides a falling film evaporator. The falling film evaporator comprises a housing, a gas outlet, a cover, a gas flow channel, and a plurality of flow guide members. The housing has a length direction and a height direction, and the housing defines an accommodating cavity. The gas outlet is provided at the upper portion of the accommodating cavity. The cover is provided in the accommodating cavity and defines a cover accommodating cavity, the cover accommodating cavity has a lower cover opening located below, and the cover accommodating cavity is configured to accommodate at least one part of a heat exchange tube bundle. The gas flow channel is located between the housing and the cover and enables the lower cover opening of the cover accommodating cavity to be in communication with the gas outlet. The plurality of flow guide members are arranged in the gas flow channel along the height direction of the housing.
    Type: Application
    Filed: August 29, 2022
    Publication date: December 5, 2024
    Inventors: Xiuping Su, Lu Mei, Xiaokui Ma, Li Wang
  • Publication number: 20240384773
    Abstract: A vibration frequency adjustment system, comprising a vibratable component (102), at least one counterweight (401, 402), at least one drive device (407, 408), and a controller (307). The vibratable component (102) is configured to be connected to a vibration source (101). The vibration source (101) has an operating frequency range, and the vibratable component (102) has a natural vibration frequency. The at least one counterweight (401, 402) is configured to be movable along the vibratable component (102). The at least one drive device (407, 408) is configured to enable the at least one counterweight (401, 402) to be maintained at or moved to various counterweighting positions (421, 422, 423) on the vibratable component (102). The controller (307) is communicatively connected to the at least one drive device (407, 408). The vibration frequency adjustment system is used for a variable-frequency screw unit so as to reduce the vibration of an exhaust pipe.
    Type: Application
    Filed: September 8, 2022
    Publication date: November 21, 2024
    Inventors: Qinghua Tang, Kun Lin, Xiaokui Ma, Pu Zhou
  • Fan
    Patent number: 12066032
    Abstract: A fan, comprising blades (102), an upper hub (111), and a lower hub (112). Each blade (102) comprises a connecting part (211). The connecting part (211) is clamped between a lower surface of the upper hub (111) and an upper surface of the lower hub (112). The lower surface of the upper hub (111) is provided with an upper hub connecting area, and the upper surface of the lower hub (112) is provided with a lower hub connecting area. An upper surface and a lower surface of the connecting part (211) are separately provided with a junction surface extending from the connecting part (211). The lower surface of the upper hub (111) and the upper surface of the lower hub (112) are separately provided with a matching surface matching the junction surface.
    Type: Grant
    Filed: July 23, 2021
    Date of Patent: August 20, 2024
    Assignees: York Guangzhou Air Conditioning and Refrigeration Co., Ltd., Tyco Fire & Security GmbH
    Inventors: Chenggang Wu, Bin Yuan, Xiaokui Ma, Li Wang, Jian Zhu
  • Publication number: 20240206668
    Abstract: A pot lid assembly includes a lid body, a plurality of lock members arranged in a circumferential direction of the lid body and each being movable between a lock position at which the lock member is close to a middle of the lid body and an unlock position at which the lock member is far away from the middle of the lid body, a connector extending in the circumferential direction of the lid body and connected to the plurality of lock members, and a drive device connected to the connector.
    Type: Application
    Filed: December 26, 2023
    Publication date: June 27, 2024
    Inventors: Liting XIE, Shujun SHAN, Weifei XUE, Xiaokui MA, Nannan AN, Tianlin FU
  • Publication number: 20240068721
    Abstract: A system for refrigerant leakage detection includes one or more sensors configured to detect one or more parameters of a building system including a refrigerant. The system further includes one or more storage devices storing instructions thereon that, when executed by one or more processors, cause the one or more processors to receive sensor data from the one or more sensors; apply the sensor data to a long short-term memory (LSTM) model to generate predicted sensor data corresponding to the one or more sensors; receive subsequent sensor data from the one or more sensors; compare the predicted sensor data to the subsequent sensor data; determine that the building system has a refrigerant leakage based on the comparison of the predicted sensor data to the subsequent sensor data; and, responsive to determining that the building system has the refrigerant leakage, take an action to address the refrigerant leakage.
    Type: Application
    Filed: August 30, 2023
    Publication date: February 29, 2024
    Inventors: Zhanhui Feng, Xiaokui Ma, Li Wang, Baojun Chang
  • FAN
    Publication number: 20240060505
    Abstract: A fan, comprising blades (102), an upper hub (111), and a lower hub (112). Each blade (102) comprises a connecting part (211). The connecting part (211) is clamped between a lower surface of the upper hub (111) and an upper surface of the lower hub (112). The lower surface of the upper hub (111) is provided with an upper hub connecting area, and the upper surface of the lower hub (112) is provided with a lower hub connecting area. An upper surface and a lower surface of the connecting part (211) are separately provided with a junction surface extending from the connecting part (211). The lower surface of the upper hub (111) and the upper surface of the lower hub (112) are separately provided with a matching surface matching the junction surface.
    Type: Application
    Filed: July 23, 2021
    Publication date: February 22, 2024
    Inventors: Chenggang Wu, Bin Yuan, Xiaokui Ma, Li Wang, Jian Zhu
  • Publication number: 20230375273
    Abstract: A condenser module of a heating, ventilation, and/or air conditioning (HVAC) system includes a first slab having a first plurality of tubes configured to receive a refrigerant from a compressor of the HVAC system. The first plurality of tubes is arrayed along a first dimension of the first slab. The condenser module also includes a second slab that has a second plurality of tubes configured to receive the refrigerant from the compressor. The second plurality of tubes is arrayed along a second dimension of the second slab, the second slab is oriented at an acute angle relative to the first slab, and the second dimension is greater than the first dimension.
    Type: Application
    Filed: September 23, 2021
    Publication date: November 23, 2023
    Inventors: Rupesh Bhatia, Xingshun Gao, Xiaokui Ma, Xinying Sun, Yao Yang
  • Patent number: 11761714
    Abstract: A fin, comprising: multiple fin subunits arranged in multiple rows, the fin subunits in two adjacent rows being arranged in an offset fashion.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: September 19, 2023
    Assignee: JOHNSON CONTROLS TYCO IP HOLDINGS LLP
    Inventors: Shifeng Feng, Xiaokui Ma, Li Wang, Amie Sun
  • Patent number: 11608835
    Abstract: Disclosed in the present application is a blade and an axial flow impeller using same. The blade comprises a blade tip, a blade root, a leading edge, a trailing edge, an upper surface and a lower surface. The upper surface and lower surface are disposed opposite each other; the blade tip, the blade root, the leading edge and the trailing edge surround the upper surface and the lower surface, and connect the upper surface and the lower surface. The blade is rotatable about a rotation axis, the rotation axis being perpendicular to a normal plane. The blade tip comprises a blade tip base part and a blade tip trailing part, the blade tip base part being close to the leading edge, and the blade tip trailing part being close to the trailing edge and being bent upwards relative to the blade tip base part.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: March 21, 2023
    Assignees: York Guangzhou Air Conditioning and Refrigeration Co., Ltd., Johnson Controls Tyco IP Holdings LLP
    Inventors: Bin Yuan, Chenggang Wu, Xiaokui Ma, Li Wang, Jian Zhu
  • Patent number: 11592029
    Abstract: The present application discloses an impeller for a centrifugal fan and a centrifugal fan. The impeller comprises a support member and several vanes. The support member has an inner wall that defines a hollow portion. The several vanes are arranged inside the hollow portion, each of the several vanes is connected with the inner wall and extends along the axial direction of the support member, and the several vanes are arranged along the circumferential direction of the support member. Each of the several vanes is bent and comprises a front edge, a tail edge, a convex suction surface, and a concave pressure surface, the suction surface and the pressure surface are arranged to oppose each other, and the front edge and the tail edge are arranged to oppose each other, wherein the tail edge is connected with the inner wall of the support member, and wherein several protrusions are provided on the suction surface, and the several protrusions are arranged to be close to the front edge.
    Type: Grant
    Filed: February 17, 2022
    Date of Patent: February 28, 2023
    Assignee: Air Distribution Technologies IP, LLC
    Inventors: Shifeng Feng, Xiaokui Ma, Li Wang
  • Publication number: 20220268294
    Abstract: The present application discloses an impeller for a centrifugal fan and a centrifugal fan. The impeller comprises a support member and several vanes. The support member has an inner wall that defines a hollow portion. The several vanes are arranged inside the hollow portion, each of the several vanes is connected with the inner wall and extends along the axial direction of the support member, and the several vanes are arranged along the circumferential direction of the support member. Each of the several vanes is bent and comprises a front edge, a tail edge, a convex suction surface, and a concave pressure surface, the suction surface and the pressure surface are arranged to oppose each other, and the front edge and the tail edge are arranged to oppose each other, wherein the tail edge is connected with the inner wall of the support member, and wherein several protrusions are provided on the suction surface, and the several protrusions are arranged to be close to the front edge.
    Type: Application
    Filed: February 17, 2022
    Publication date: August 25, 2022
    Inventors: Shifeng Feng, Xiaokui Ma, Li Wang
  • Publication number: 20210325127
    Abstract: A fin, comprising: multiple fin subunits arranged in multiple rows, the fin subunits in two adjacent rows being arranged in an offset fashion.
    Type: Application
    Filed: April 15, 2021
    Publication date: October 21, 2021
    Inventors: Shifeng Feng, Xiaokui Ma, Li Wang, Amie Sun
  • Publication number: 20210317841
    Abstract: Disclosed in the present application is a blade and an axial flow impeller using same. The blade comprises a blade tip, a blade root, a leading edge, a trailing edge, an upper surface and a lower surface. The upper surface and lower surface are disposed opposite each other; the blade tip, the blade root, the leading edge and the trailing edge surround the upper surface and the lower surface, and connect the upper surface and the lower surface. The blade is rotatable about a rotation axis, the rotation axis being perpendicular to a normal plane. The blade tip comprises a blade tip base part and a blade tip trailing part, the blade tip base part being close to the leading edge, and the blade tip trailing part being close to the trailing edge and being bent upwards relative to the blade tip base part.
    Type: Application
    Filed: April 13, 2021
    Publication date: October 14, 2021
    Inventors: Bin Yuan, Chenggang Wu, Xiaokui Ma, Li Wang, Jian Zhu