Patents by Inventor Shanghua Li

Shanghua Li 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: 20250116336
    Abstract: A seal unit for being installed in a joint, the seal unit having a first adapting ring concentric with a seal unit axis; a dynamic seal in contact with, and allowed to slide relative to, the first adapting ring; and a holding device configured to adopt two states, at least one of the states being associated with a unique seal unit width of the seal unit along the seal unit axis; wherein the holding device is configured to hold the dynamic seal compressed against the first adapting ring in at least one of the states. A joint, an industrial device and a method of installing a seal unit are also provided.
    Type: Application
    Filed: February 14, 2022
    Publication date: April 10, 2025
    Inventors: Jiangwei Huang, Johan Ernlund, Tomas Botold, Shanghua Li
  • Publication number: 20250102066
    Abstract: A joint including a first part and a second part rotatable relative to each other about a rotation axis, the second part having a second surface; a dynamic seal arranged to dynamically seal against the second surface; and a static seal arranged to seal a gap between the first part and the dynamic seal, and arranged to push the dynamic seal against the second surface; wherein the static seal in the gap is exposed to an external region outside the joint. An industrial device including a joint is also provided.
    Type: Application
    Filed: February 2, 2022
    Publication date: March 27, 2025
    Inventors: Jiangwei Huang, Shanghua Li, Tomas Botold, Arne Trangärd
  • Publication number: 20250083340
    Abstract: An industrial robot including a base structure having an opening; a cover configured to fit in the opening; and an external seal bridging a gap between the base structure and the cover when the cover is fitted in the opening. The external seal forms within the gap a closed path entirely visible from a single perspective.
    Type: Application
    Filed: December 13, 2021
    Publication date: March 13, 2025
    Inventors: Tomas Botold, Shanghua Li
  • Publication number: 20250058480
    Abstract: A tool flange (22a) for an industrial robot (10), the tool flange (22a) comprising a distal surface (44) to which a tool (16a; 16b) for the industrial robot (10) can be secured; an external primary surface (46) facing outwards with respect to a central axis (34); an external distal groove (48) enclosing the central axis (34) and configured to receive an external distal static seal (88) to seal a primary gap (102) between the external primary surface (46) and the tool (16a; 16b) when the tool (16a; 16b) is secured to the distal surface (44), the external distal groove (48) separating the distal surface (44) and the external primary surface (46); and a tool flange connector (49a-49c) for being connected to a tool connector (97a-97c) of the tool (16a; 16b) when the tool (16a; 16b) is secured to the distal surface (44), the tool flange connector (49a-49c) being enclosed by the distal surface (44).
    Type: Application
    Filed: December 21, 2021
    Publication date: February 20, 2025
    Inventors: Tomas Botold, Shanghua Li
  • Publication number: 20240269334
    Abstract: A method of cleaning a region in an industrial environment using at least one industrial robot, the method including obtaining radiation from the region by means of a sensor device; providing sensor data based on the radiation, the sensor data being indicative of a cleanliness of one or more surfaces in the region; and performing a cleaning process to clean the region, the cleaning process including applying cleaning media from a cleaning device to the one or more surfaces, and the cleaning process being performed based on the sensor data. A control system for controlling cleaning of a region in an industrial environment using at least one industrial robot, and a cleaning system including at least one industrial robot, are also provided.
    Type: Application
    Filed: September 7, 2021
    Publication date: August 15, 2024
    Inventors: Frederic Tholence, Johan Ernlund, Shanghua Li
  • Publication number: 20240154524
    Abstract: A robotic device for reducing electromagnetic interference (EMI) noise and suppress leakage current is provided. The robotic device comprises a controller configured to control phase-shift switching of a plurality of axes to reduce electromagnetic interference (EMI) noise and suppress leakage current, an electrical circuit, and a plurality of loads coupled to a plurality of motors of the plurality of axes. The electrical circuit comprises a power source and rectifier; an EMI filter configured to further reduce the EMI noise and suppress the leakage current from the plurality of axes; and the plurality of axes comprising a plurality of drives and a plurality of motors that are configured to operate the plurality of loads.
    Type: Application
    Filed: March 5, 2021
    Publication date: May 9, 2024
    Applicant: ABB Schweiz AG
    Inventors: Liming Liu, Shanghua Li, Zach Z. Pan, Yu Zhang
  • Patent number: 11958186
    Abstract: Structural members and methods for manufacturing a plastic-based, bulk, antimicrobial structural member of a robot. Such bulk antimicrobial plastic solution can meet the hygienic requirement and the mechanical performance requirement of a structural member of a robot simultaneously. Meanwhile, it may reduce the overall weight of the robot.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: April 16, 2024
    Assignee: ABB SCHWEIZ AG
    Inventors: Zhiqiang Tao, Hao Gu, Shanghua Li, Cuicui Su, Weidong Zhou, Jiansheng Chen, Shaobo Xie
  • Patent number: 11858126
    Abstract: A robot joint including a first part and a second part arranged to have a relative movement in between, and a joint gap spacing the first part and the second part from each other, wherein the robot joint includes an inflatable seal accommodated in the joint gap to provide a fluid-tight sealing of the joint. The disclosure also relates to a robot including the robot joint, a system including the robot and a method for sealing a joint gap of a robot joint.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: January 2, 2024
    Assignee: ABB Schweiz AG
    Inventors: Jiangwei Huang, Arne Trangärd, Shanghua Li
  • Publication number: 20230405806
    Abstract: A self-contained actuator for use in a robot manipulator includes: a housing, in which are arranged in axial sequence a gear, a motor, a brake, a sensor and a motor drive. The motor drive includes wide-bandgap/WBG electronics and is arranged in heat-dissipating relationship with a free end of the housing. Through the motor and some further components, there is provided a central channel for receiving a cable connected to at least one further actuator of the robot manipulator. The channel may be angled or straight. In embodiments where the motor drive is hollow, the central channel extends between the axial ends of the actuator. There is further provided an all-in-one industrial robot comprising a robot manipulator, in which one or more self-contained actuators with the above characteristics are installed and a robot controller is physically integrated.
    Type: Application
    Filed: February 4, 2021
    Publication date: December 21, 2023
    Inventors: Shanghua Li, Liming Liu, Damian Kowal, Tomas Botold, Bin Liu, Zach Pan, Rajib Mikail, Yang Gao
  • Patent number: 11598424
    Abstract: A sealing device (10) for providing a fluid-tight sealing of a joint comprising a first part (30) and a second part (32) with a relative movement in between. The sealing device (10) comprises: an outer sealing part (12) designed to contact the first part and the second part, an inner sealing part (14) designed to contact the first part and the second part, and a spacing structure (16) connecting the outer sealing part (12) and the inner sealing part (14). The outer sealing part (12) and the inner sealing part (14) define an intermediate space (18) between the outer sealing part (12) and the inner sealing part (14). The outer sealing part (12) and the inner sealing part (14) are being configured to seal off the intermediate space (18) from both an exterior and an interior of the joint, and the intermediate space (18) is configured to be influid contact with both the first part (30) and the second part (32).
    Type: Grant
    Filed: May 3, 2018
    Date of Patent: March 7, 2023
    Assignee: ABB Schweiz AG
    Inventors: Shanghua Li, Jiangwei Huang
  • Publication number: 20220161448
    Abstract: A robot joint including a first robot part and a second robot part arranged to have a relative movement in between, a joint gap separating the first robot part and the second robot part from each other, and a seal arrangement for sealing the joint gap against external impact. The seal arrangement includes a first side element being part of the first robot part and immobile in relation to the same, and a gap element extending across the joint gap. One of the first side element and the gap element includes a first surface in a food grade material, and the other one of the first side element and the gap element includes a first sealing element configured to be in sliding contact with the first surface.
    Type: Application
    Filed: March 22, 2019
    Publication date: May 26, 2022
    Inventors: Shanghua Li, Jiangwei Huang, Arne Trangärd
  • Patent number: 11143566
    Abstract: An industrial robot for food industry having a leakage detection device for detecting a liquid leaking into the robot, and the leakage detection device includes at least one indicator strip arranged inside the robot and configured to change color in contact with a liquid, a sensor module configured to detect changes in color of the at least one indicator strip, and a detector unit configured to determine presence of liquid inside the robot based on the detected color changes of the indicator strip, and the leakage detection device in is capable of distinguishing between lubricant and water.
    Type: Grant
    Filed: November 7, 2016
    Date of Patent: October 12, 2021
    Assignee: ABB Schweiz AG
    Inventors: Jiangwei Huang, Shanghua Li
  • Publication number: 20210245373
    Abstract: A robot joint including a first part and a second part arranged to have a relative movement in between, and a joint gap spacing the first part and the second part from each other, wherein the robot joint includes an inflatable seal accommodated in the joint gap to provide a fluid-tight sealing of the joint. The disclosure also relates to a robot including the robot joint, a system including the robot and a method for sealing a joint gap of a robot joint.
    Type: Application
    Filed: August 29, 2018
    Publication date: August 12, 2021
    Inventors: Jiangwei Huang, Arne Trangärd, Shanghua Li
  • Publication number: 20210231218
    Abstract: A sealing device (10) for providing a fluid-tight sealing of a joint comprising a first part (30) and a second part (32) with a relative movement in between. The sealing device (10) comprises: an outer sealing part (12) designed to contact the first part and the second part, an inner sealing part (14) designed to contact the first part and the second part, and a spacing structure (16) connecting the outer sealing part (12) and the inner sealing part (14). The outer sealing part (12) and the inner sealing part (14) define an intermediate space (18) between the outer sealing part (12) and the inner sealing part (14). The outer sealing part (12) and the inner sealing part (14) are being configured to seal off the intermediate space (18) from both an exterior and an interior of the joint, and the intermediate space (18) is configured to be in fluid contact with both the first part (30) and the second part (32).
    Type: Application
    Filed: May 3, 2018
    Publication date: July 29, 2021
    Inventors: Shanghua Li, Jiangwei Huang
  • Publication number: 20200398444
    Abstract: Embodiments of present disclosure relate to a plastic-based, bulk, antimicrobial structural member of a robot. Such bulk antimicrobial plastic solution can meet the hygienic requirement and the mechanical performance requirement of a structural member of a robot simultaneously. Meanwhile, it may reduce the overall weight of the robot.
    Type: Application
    Filed: September 8, 2020
    Publication date: December 24, 2020
    Inventors: Zhiqiang Tao, Hao Gu, Shanghua Li, Cuicui Su, Weidong Zhou, Jiansheng Chen, Shaobo Xie
  • Publication number: 20200368921
    Abstract: Sealing arrangement including a sealing element arranged to seal a gap between a proximal member and a distal member, the sealing element including a sealing material configured to withstand a temperature of at least 100° C.; and a heating element arranged to heat the sealing material to at least 70° C. An industrial robot including at least one sealing arrangement and a method for sterilizing a sealing element are also provided.
    Type: Application
    Filed: January 11, 2018
    Publication date: November 26, 2020
    Inventors: Åke Öberg, Shanghua Li, Jiangwei Huang
  • Publication number: 20200033221
    Abstract: An industrial robot for food industry having a leakage detection device for detecting a liquid leaking into the robot, and the leakage detection device includes at least one indicator strip arranged inside the robot and configured to change color in contact with a liquid, a sensor module configured to detect changes in color of the at least one indicator strip, and a detector unit configured to determine presence of liquid inside the robot based on the detected color changes of the indicator strip, and the leakage detection device in is capable of distinguishing between lubricant and water.
    Type: Application
    Filed: November 7, 2016
    Publication date: January 30, 2020
    Inventors: Jiangwei HUANG, Shanghua LI
  • Patent number: 9103607
    Abstract: Heat exchange device with a boiling surface comprising a porous surface layer arranged on a solid substrate, the porous surface layer comprises a porous wall structure defining and separating macro-pores that are interconnected in the general direction normal to the surface of the substrate and have a diameter greater than 5 ?m and less than 1000 ?m wherein the diameter of the pores gradually increases with distance from the substrate wherein the porous wall structure is a continuous branched structure.
    Type: Grant
    Filed: March 2, 2007
    Date of Patent: August 11, 2015
    Assignee: MICRO DELTA T AB
    Inventors: Richard Furberg, Björn Palm, Shanghua Li, Mamoun Muhammed, Muhammet Toprak
  • Publication number: 20140234064
    Abstract: A sealing system including a rotary sealing surface on a rotary shaft and a rotary shaft lip seal, of which the rotary sealing surface has a surface coating layer of a solid lubricant substance. The invention further includes an industrial robot having several axes of rotation, including a manipulator with drive units for rotating robot parts according to the axes of rotation of the robot, and at least one of the drive units having a rotary shaft provided with such a sealing system. In addition, the invention includes a method for providing a rotary sealing surface on a rotary shaft, including coating the intended sealing surface of the rotary shaft with a surface coating layer of a solid lubricant substance.
    Type: Application
    Filed: April 30, 2014
    Publication date: August 21, 2014
    Inventors: Shanghua Li, Arne Broberg, Erik Johansson, Ake Oberg
  • Publication number: 20100044018
    Abstract: Heat exchange device with a boiling surface comprising porous surface layer arranged on a solid substrate, the porous surface layer comprises a porous wall structure defining and separating macro-pores that are interconnected in the general direction normal to the surface of the substrate and have a diameter greater than 5 ?m and less than 1000 ?m wherein the diameter of the pores gradually increases with distance from the substrate wherein the porous wall structure is a continuous branched structure.
    Type: Application
    Filed: March 2, 2007
    Publication date: February 25, 2010
    Inventors: Richard Furberg, Bjorn Palm, Shanghua Li, Mamoun Muhammed, Muhammet Toprak