Patents by Inventor Changqing Liu

Changqing Liu 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).

  • Patent number: 12270730
    Abstract: Integrated automatic detection equipment includes a tractor, a first test vehicle and a second test vehicle. A central control system, a geometric linear detection system, a road three-dimensional (3D) detection system, and a laser 3D scanning system are arranged on the tractor. A front end of the first test vehicle is detachably connected to a rear end of the tractor, and a rear end of the first test vehicle is detachably connected to a front end of the second test vehicle. A drop hammer loading system is arranged on the first test vehicle. A bridge dynamic detection system is arranged on the second test vehicle. The geometric linear detection system, the road 3D detection system, and the drop hammer loading system are used for a road detection.
    Type: Grant
    Filed: October 20, 2021
    Date of Patent: April 8, 2025
    Inventors: Yang Yang, Xiaojun Shen, Kanghui Luo, Hanqing Zhao, Wenqi Yang, Hui Wang, Song Wang, Changqing Liu, Binglin Jiang, Zhen Wang, Zhigang Wu, Qiang Wei, Rui Sun, Wanqin Li
  • Publication number: 20230189879
    Abstract: A microporous vaporization assembly includes: a microporous vaporization plate for vaporizing an aerosol-generation substrate to generate aerosols; and a circuit board flexibly electrically connected to the microporous vaporization plate, the circuit board transmitting an electrical signal of the circuit board to the microporous vaporization plate. In an embodiment, the microporous vaporization assembly includes a flexible electrical conductor between the circuit board and the microporous vaporization plate. The flexible electrical conductor is in contact with the circuit board and the microporous vaporization plate respectively, to implement a flexible electrical connection between the circuit board and the microporous vaporization plate.
    Type: Application
    Filed: December 14, 2022
    Publication date: June 22, 2023
    Inventor: Changqing LIU
  • Patent number: 11630295
    Abstract: The present invention relates to an illumination module for a microscope apparatus, comprising a plurality of monochromatic sources and a control device, wherein the control device is configured to control states of the plurality of the monochromatic sources, and the control device includes a selecting and switching module which realizes a switch among the plurality of monochromatic sources in response to an operation of the user. The design of the illumination module makes the microscope apparatus compact in structure, highly reliable, convenient in use, and extremely enhancing the work efficiency of the user. The present invention also relates to a method for controlling the illumination module, and a microscope apparatus comprising the illumination module.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: April 18, 2023
    Assignee: CARL ZEISS MICROSCOPY GMBH
    Inventors: Michael Goegler, Jochen Ingo Schweizer, Lei Cai, Genxin Dou, Changqing Liu
  • Patent number: 11607686
    Abstract: A sample collecting device is provided. The sample collecting device includes a frame, a collect part and a control part. The collect part is disposed in the frame and is provided with a collecting cavity having a collecting port, and the collect part is used to make a sample flow into the collecting cavity from the collecting port. The control part is disposed in the frame, used to make a collecting rod put into a reagent bottle be pulled out and inserted into the collecting cavity to thereby collect the sample, and used to make the collecting rod with the sample be pulled out from the collecting cavity and put back into the reagent bottle. The collecting of sample without manual intervention is realized, effectiveness and consistency of the collected samples are ensured, and the labor cost is reduced.
    Type: Grant
    Filed: February 5, 2021
    Date of Patent: March 21, 2023
    Assignee: OVATION HEALTH SCIENCE AND TECHNOLOGY CO., LTD
    Inventors: Bruce Qing Tang, Chen Steven Song, Changqing Liu, Yuzhu Yao, Xihu Yu, Feiteng Liu, Ke Liu, Weilong Wu
  • Publication number: 20220184615
    Abstract: A sample collecting device is provided. The sample collecting device includes a frame, a collect part and a control part. The collect part is disposed in the frame and is provided with a collecting cavity having a collecting port, and the collect part is used to make a sample flow into the collecting cavity from the collecting port. The control part is disposed in the frame, used to make a collecting rod put into a reagent bottle be pulled out and inserted into the collecting cavity to thereby collect the sample, and used to make the collecting rod with the sample be pulled out from the collecting cavity and put back into the reagent bottle. The collecting of sample without manual intervention is realized, effectiveness and consistency of the collected samples are ensured, and the labor cost is reduced.
    Type: Application
    Filed: February 5, 2021
    Publication date: June 16, 2022
    Inventors: Bruce Qing Tang, Chen Steven Song, Changqing Liu, Yuzhu Yao, Xihu Yu, Feiteng Liu, Ke Liu, Weilong Wu
  • Publication number: 20220120632
    Abstract: Integrated automatic detection equipment includes a tractor, a first test vehicle and a second test vehicle. A central control system, a geometric linear detection system, a road three-dimensional (3D) detection system, and a laser 3D scanning system are arranged on the tractor. A front end of the first test vehicle is detachably connected to a rear end of the tractor, and a rear end of the first test vehicle is detachably connected to a front end of the second test vehicle. A drop hammer loading system is arranged on the first test vehicle. A bridge dynamic detection system is arranged on the second test vehicle. The geometric linear detection system, the road 3D detection system, and the drop hammer loading system are used for a road detection.
    Type: Application
    Filed: October 20, 2021
    Publication date: April 21, 2022
    Applicant: Chongqing University
    Inventors: Yang YANG, Kanghui LUO, Hui WANG, Song WANG, Changqing LIU, Binglin JIANG, Zhen WANG, Zhigang WU, Rui SUN, Wanqin LI
  • Patent number: 10740052
    Abstract: Various embodiments of systems and methods for integrated services for form generation and maintenance on cloud are described herein. The method includes receiving a request for a form-related service from a client. The form-related service may comprise at least one of generating a form, printing the form, extracting one or more form templates, extracting one or more form schemas, and uploading one or more tenant-created form templates onto a cloud template store. The received request is authenticated. Upon a successful authentication, one or more actions may be performed to render an output based upon the request. The output may include one of a form, the one or more form templates, the one or more form schemas, and a notification for successful or unsuccessful uploading of the one or more tenant-created form templates onto the cloud template store. Upon unsuccessful authentication, an error message may be displayed.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: August 11, 2020
    Assignee: SAP SE
    Inventors: Priyanka Porwal, Jan Schrage, Neelesh Kamath, Karthik S, Weicheng Wang, Changqing Liu, Yalan Gong
  • Publication number: 20200218051
    Abstract: The present invention relates to an illumination module for a microscope apparatus, comprising a plurality of monochromatic sources and a control device, wherein the control device is configured to control states of the plurality of the monochromatic sources, and the control device includes a selecting and switching module which realizes a switch among the plurality of monochromatic sources in response to an operation of the user. The design of the illumination module makes the microscope apparatus compact in structure, highly reliable, convenient in use, and extremely enhancing the work efficiency of the user. The present invention also relates to a method for controlling the illumination module, and a microscope apparatus comprising the illumination module.
    Type: Application
    Filed: January 9, 2020
    Publication date: July 9, 2020
    Inventors: Michael GOEGLER, Jochen Ingo SCHWEIZER, Lei CAI, Genxin DOU, Changqing LIU
  • Patent number: 9705836
    Abstract: A method for message interaction includes: receiving, at a server, a first multi-media message recorded and published by a first terminal when the server detects that the first terminal in a social network service (SNS) system carries out a message publishing operation; performing, at the server, a transcoding process on the first multi-media message to generate at least one second multi-media message, and storing the first multi-media message and the at least one second multi-media messages; and allocating, at the server, a publishing identifier and sending the publishing identifier to the first terminal to inform the first terminal that the message publishing operation is successful. Further, a server and a SNS system are also described. In the present disclosure, message interaction can be performed based on multi-media messages in the SNS system, thereby enriching variety of message contents, improving efficiency of message interaction, and enhancing convenience of social activities.
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: July 11, 2017
    Assignee: Tencent Technology (Shenzhen) Company Limited
    Inventors: Zhihao Zheng, Zhu Liang, Huixing Wang, Xiaojun Huang, Mingzhong Ji, Huabin Xu, Lijin Deng, Yong Yang, Yanqiang Zheng, Guanghai Wen, Zhihua Wu, Changqing Liu, Mingwei Zhang
  • Patent number: 9631850
    Abstract: A thermal expansion valve with one-way control function includes a valve body having an inlet passage and an out passage, a temperature sensor installed on one end of the valve body, and a first valve core component installed in an inside chamber of the valve body. The first valve core component includes a first valve core and a valve rod against the temperature sensor. The valve body also includes an accommodation component extending from said the inlet passage into the valve body and coaxially installed with the inlet passage. The accommodation component has a second valve port connected with the inside chamber. The accommodation component has a second valve core component having a supporting piece and a second valve core matching the second valve port. The processing of the structure is convenient and the assembly of the second valve core component is simple and reliable.
    Type: Grant
    Filed: November 20, 2012
    Date of Patent: April 25, 2017
    Assignee: Zhejiang Sanhua Co., Ltd.
    Inventors: Changqing Liu, Ze Yuan, Boting Chen, Jie Liu
  • Patent number: 9587864
    Abstract: A thermal expansion valve comprises a valve body and a valve core member. The valve body is provided with a first connecting chamber, a lower cavity with a transmission member built in, and a first sealing member for separating the first connecting chamber and the lower cavity. A fifth pressure-bearing surface and a sixth pressure-bearing surface, pressed by a cold medium in the first connecting chamber in opposite directions, are disposed on a side wall of the valve core member. The first sealing member comprises a first flexible sealing element, disposed between the transmission member and an upper end portion of the valve core member and having a first edge portion connected to the valve body in a sealing manner.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: March 7, 2017
    Assignee: Zhejiang Sanhua Co., Ltd.
    Inventor: Changqing Liu
  • Patent number: 9109822
    Abstract: An expansion valve is disclosed herein and includes a valve body having a chamber; a valve seat and a valve core are provided in the chamber; a first opening and a second opening in communication with the chamber, wherein the valve core moves relative to the valve seat to control a size of a flow channel between the first opening and the second opening, wherein the valve core includes a valve core head portion facing the valve seat, the valve head portion is provided with an axial through hole, a piston is provided in the axial through hole, the piston is connected with the valve body. The piston which is connected with the valve body is provided in the axial through hole of the valve core head portion of the expansion valve.
    Type: Grant
    Filed: June 20, 2011
    Date of Patent: August 18, 2015
    Assignee: Zhejiang Sanhua Co., Ltd.
    Inventors: Changqing Liu, Hongmin Song, Jie Liu, Boting Chen
  • Publication number: 20150101685
    Abstract: A thermal expansion valve with one-way control function includes a valve body having an inlet passage and an out passage, a temperature sensor installed on one end of said valve body, and a first valve core component installed in an inside chamber of said valve body. Said first valve core component includes a first valve core and a valve rod against said temperature sensor. Said valve body also includes an accommodation component extending from said inlet passage into said valve body and coaxially installed with said inlet passage. Said accommodation component has a second valve port connected with said inside chamber. Said accommodation component has a second valve core component having a supporting piece and a second valve core matching said second valve port. The processing of the structure is convenient and the assembly of the second valve core component is simple and reliable.
    Type: Application
    Filed: November 20, 2012
    Publication date: April 16, 2015
    Inventors: Changqing Liu, Ze Yuan, Boting Chen, Jie Liu
  • Publication number: 20140317213
    Abstract: A method for message interaction includes: receiving, at a server, a first multi-media message recorded and published by a first terminal when the server detects that the first terminal in a social network service (SNS) system carries out a message publishing operation; performing, at the server, a transcoding process on the first multi-media message to generate at least one second multi-media message, and storing the first multi-media message and the at least one second multi-media messages; and allocating, at the server, a publishing identifier and sending the publishing identifier to the first terminal to inform the first terminal that the message publishing operation is successful. Further, a server and a SNS system are also described. In the present disclosure, message interaction can be performed based on multi-media messages in the SNS system, thereby enriching variety of message contents, improving efficiency of message interaction, and enhancing convenience of social activities.
    Type: Application
    Filed: July 2, 2014
    Publication date: October 23, 2014
    Applicant: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Zhihao Zheng, Zhu Liang, Huixing Wang, Xiaojun Huang, Mingzhong Ji, Huabin Xu, Lijin Deng, Yong Yang, Yanqiang Zheng, Guanghai Wen, Zhihua Wu, Changqing Liu, Mingwei Zhang
  • Publication number: 20140041405
    Abstract: A thermal expansion valve comprises a valve body and a valve core member. The valve body is provided with a first connecting chamber, a lower cavity with a transmission member built in, and a first sealing member for separating the first connecting chamber and the lower cavity. A fifth pressure-bearing surface and a sixth pressure-bearing surface, pressed by a cold medium in the first connecting chamber in opposite directions, are disposed on a side wall of the valve core member. The first sealing member comprises a first flexible sealing element, disposed between the transmission member and an upper end portion of the valve core member and having a first edge portion connected to the valve body in a sealing manner.
    Type: Application
    Filed: April 27, 2012
    Publication date: February 13, 2014
    Applicant: Zhejiang Sanhua Co., Ltd.
    Inventor: Changqing Liu
  • Publication number: 20130298597
    Abstract: A thermostatic expansion valve and a refrigerating system comprising the thermostatic expansion valve. The thermostatic expansion valve comprises a valve body arranged with an air box on the top, and the inner chamber of the air box is divided into an upper chamber and a lower chamber by a diaphragm. Within the inner chamber of the valve body there are provided a valve plug component and a valve port matched with the valve plug component. The inner chamber of the valve body is divided into a first interface chamber and a second interface chamber by a sealing line or sealing face between the valve port and the valve plug component. At the lower end part of the valve body there is provided a balance chamber to balance the valve plug component. The upper end part of the valve plug component is arranged within the lower chamber and the lower end part thereof is arranged within the balance chamber (14) of the valve body.
    Type: Application
    Filed: January 12, 2012
    Publication date: November 14, 2013
    Applicant: ZHEJIANG SANHUA CO., LTD
    Inventor: Changqing Liu
  • Publication number: 20130227980
    Abstract: An expansion valve is disclosed herein and includes a valve body having a chamber; a valve seat and a valve core are provided in the chamber; a first opening and a second opening in communication with the chamber, wherein the valve core moves relative to the valve seat to control a size of a flow channel between the first opening and the second opening, wherein the valve core includes a valve core head portion facing the valve seat, the valve head portion is provided with an axial through hole, a piston is provided in the axial through hole, the piston is connected with the valve body. The piston which is connected with the valve body is provided in the axial through hole of the valve core head portion of the expansion valve.
    Type: Application
    Filed: June 20, 2011
    Publication date: September 5, 2013
    Inventors: Changqing Liu, Hongmin Song, Jie Liu, Boting Chen
  • Publication number: 20120282473
    Abstract: A method of treating a surface for an electronic or optoelectronic component to be bonded with adhesive, and a substrate comprising a ceramic surface for an electronic or optoelectronic component. A coating is applied to the surface that causes a reduction in the surface energy of the surface.
    Type: Application
    Filed: December 3, 2010
    Publication date: November 8, 2012
    Inventors: Owain Williams, Changqing Liu, Patrick Webb, Paul Firth