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).
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Publication number: 20250116336Abstract: 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: ApplicationFiled: February 14, 2022Publication date: April 10, 2025Inventors: Jiangwei Huang, Johan Ernlund, Tomas Botold, Shanghua Li
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Publication number: 20250102066Abstract: 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: ApplicationFiled: February 2, 2022Publication date: March 27, 2025Inventors: Jiangwei Huang, Shanghua Li, Tomas Botold, Arne Trangärd
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Publication number: 20250083340Abstract: 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: ApplicationFiled: December 13, 2021Publication date: March 13, 2025Inventors: Tomas Botold, Shanghua Li
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Publication number: 20250058480Abstract: 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: ApplicationFiled: December 21, 2021Publication date: February 20, 2025Inventors: Tomas Botold, Shanghua Li
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Publication number: 20240269334Abstract: 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: ApplicationFiled: September 7, 2021Publication date: August 15, 2024Inventors: Frederic Tholence, Johan Ernlund, Shanghua Li
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Publication number: 20240154524Abstract: 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: ApplicationFiled: March 5, 2021Publication date: May 9, 2024Applicant: ABB Schweiz AGInventors: Liming Liu, Shanghua Li, Zach Z. Pan, Yu Zhang
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Patent number: 11958186Abstract: 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: GrantFiled: September 8, 2020Date of Patent: April 16, 2024Assignee: ABB SCHWEIZ AGInventors: Zhiqiang Tao, Hao Gu, Shanghua Li, Cuicui Su, Weidong Zhou, Jiansheng Chen, Shaobo Xie
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Patent number: 11858126Abstract: 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: GrantFiled: August 29, 2018Date of Patent: January 2, 2024Assignee: ABB Schweiz AGInventors: Jiangwei Huang, Arne Trangärd, Shanghua Li
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Publication number: 20230405806Abstract: 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: ApplicationFiled: February 4, 2021Publication date: December 21, 2023Inventors: Shanghua Li, Liming Liu, Damian Kowal, Tomas Botold, Bin Liu, Zach Pan, Rajib Mikail, Yang Gao
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Patent number: 11598424Abstract: 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: GrantFiled: May 3, 2018Date of Patent: March 7, 2023Assignee: ABB Schweiz AGInventors: Shanghua Li, Jiangwei Huang
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Publication number: 20220161448Abstract: 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: ApplicationFiled: March 22, 2019Publication date: May 26, 2022Inventors: Shanghua Li, Jiangwei Huang, Arne Trangärd
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Patent number: 11143566Abstract: 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: GrantFiled: November 7, 2016Date of Patent: October 12, 2021Assignee: ABB Schweiz AGInventors: Jiangwei Huang, Shanghua Li
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Publication number: 20210245373Abstract: 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: ApplicationFiled: August 29, 2018Publication date: August 12, 2021Inventors: Jiangwei Huang, Arne Trangärd, Shanghua Li
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Publication number: 20210231218Abstract: 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: ApplicationFiled: May 3, 2018Publication date: July 29, 2021Inventors: Shanghua Li, Jiangwei Huang
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Publication number: 20200398444Abstract: 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: ApplicationFiled: September 8, 2020Publication date: December 24, 2020Inventors: Zhiqiang Tao, Hao Gu, Shanghua Li, Cuicui Su, Weidong Zhou, Jiansheng Chen, Shaobo Xie
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Publication number: 20200368921Abstract: 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: ApplicationFiled: January 11, 2018Publication date: November 26, 2020Inventors: Åke Öberg, Shanghua Li, Jiangwei Huang
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Publication number: 20200033221Abstract: 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: ApplicationFiled: November 7, 2016Publication date: January 30, 2020Inventors: Jiangwei HUANG, Shanghua LI
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Patent number: 9103607Abstract: 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: GrantFiled: March 2, 2007Date of Patent: August 11, 2015Assignee: MICRO DELTA T ABInventors: Richard Furberg, Björn Palm, Shanghua Li, Mamoun Muhammed, Muhammet Toprak
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Publication number: 20140234064Abstract: 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: ApplicationFiled: April 30, 2014Publication date: August 21, 2014Inventors: Shanghua Li, Arne Broberg, Erik Johansson, Ake Oberg
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Publication number: 20100044018Abstract: 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: ApplicationFiled: March 2, 2007Publication date: February 25, 2010Inventors: Richard Furberg, Bjorn Palm, Shanghua Li, Mamoun Muhammed, Muhammet Toprak