Patents by Inventor Liwei Cao
Liwei Cao 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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Patent number: 11933850Abstract: A device for detecting a slot wedge, an air gap and a broken rotor bar is provided, where a sequential circuit generates double concurrent pulses; the sequential circuit is connected to driving power modules; the driving power modules are connected to front-end interface circuits; the front-end interface circuits convert the double concurrent pulses into corresponding magnetic-field pulses; the magnetic-field pulses are transmitted to power supply terminals on adjacent phases of stator windings through impedance matching pins and coupled at a corresponding coil, air gap and squirrel cage rotor to generate single groups of cyclic rotating magnetic potentials; single rotating magnetic potentials are sequentially generated in adjacent slots on each of the phases of the stator windings; rotating electric potentials in magnetic circuits with two symmetrical phases are magnetically coupled to form distributed coupling magnetic field reflected full-cycle waves for reflecting a difference of a corresponding slot wedgType: GrantFiled: August 2, 2021Date of Patent: March 19, 2024Assignee: HANGZHOU HENUOVA TECHNOLOGY CO., LTD.Inventors: Yuewu Zhang, Weixing Yang, Boyan Zhao, Jie Luo, Gang Du, Chao Wang, Han Gao, Liwei Qiu, Ming Xu, Jiamin Li, Yanxing Bao, Qianyi Zhang, Zuting Cao, Junliang Liu
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Patent number: 11721931Abstract: A safety socket module includes: a shell; an upper cover, configured to cover the shell, where jacks are provided on the upper cover; compartments, where the number of the compartments corresponds to the number of the jacks, each of the compartments is arranged in the shell and below a respective jack of the jacks, and an interior of each of the compartments is accessible from an exterior of the shell through the respective jack; waterproof electrical connection switches, arranged in the compartments and configured to asynchronously control connection and disconnection of a circuit between a power supply and a plug of an electric appliance; and lock control members, respectively arranged in the compartments and aligned with the jacks; where each of the waterproof electrical connection switches includes a waterproof capsule, and a movable contact piece and a static contact piece arranged opposite to each other in the waterproof capsule.Type: GrantFiled: October 12, 2020Date of Patent: August 8, 2023Assignee: DALIAN SAFE TECHNOLOGY CO., LTDInventors: Wen Ma, Junge Ma, Liwei Cao
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Publication number: 20230178924Abstract: A safety socket module includes: a shell; an upper cover, configured to cover the shell, where jacks are provided on the upper cover; compartments, where the number of the compartments corresponds to the number of the jacks, each of the compartments is arranged in the shell and below a respective jack of the jacks, and an interior of each of the compartments is accessible from an exterior of the shell through the respective jack; waterproof electrical connection switches, arranged in the compartments and configured to asynchronously control connection and disconnection of a circuit between a power supply and a plug of an electric appliance; and lock control members, respectively arranged in the compartments and aligned with the jacks; where each of the waterproof electrical connection switches includes a waterproof capsule, and a movable contact piece and a static contact piece arranged opposite to each other in the waterproof capsule.Type: ApplicationFiled: October 12, 2020Publication date: June 8, 2023Applicant: DALIAN SAFE TECHNOLOGY CO., LTDInventors: Wen MA, Junge MA, Liwei CAO
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Patent number: 11138147Abstract: The present disclosure provides a multi-CPU system, where the multi-CPU system includes: at least two Quick-Path Interconnect QPI domains, a first node controller NC group, and a second node controller NC group; according to a CPU route configuration, there is at least one CPU that can access a CPU in another QPI domain by using the first NC group; and there is at least one CPU that can access a CPU in another QPI domain by using the second NC group. According to this topology, hot swap of an NC can be implemented while the system is relatively slightly affected.Type: GrantFiled: August 31, 2017Date of Patent: October 5, 2021Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Gang Liu, Ben Chen, Liwei Cao
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Publication number: 20170364475Abstract: The present disclosure provides a multi-CPU system, where the multi-CPU system includes: at least two Quick-Path Interconnect QPI domains, a first node controller NC group, and a second node controller NC group; according to a CPU route configuration, there is at least one CPU that can access a CPU in another QPI domain by using the first NC group; and there is at least one CPU that can access a CPU in another QPI domain by using the second NC group. According to this topology, hot swap of an NC can be implemented while the system is relatively slightly affected.Type: ApplicationFiled: August 31, 2017Publication date: December 21, 2017Applicant: HUAWEI TECHNOLOGIES CO.,LTD.Inventors: Gang Liu, Ben Chen, Liwei Cao
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Patent number: 9138721Abstract: A type of liquid chromatographic stationary phase and preparation method thereof, the bonding terminal of the chromatographic stationary phase is zwitterionic functional group. The preparation method includes the following steps, alkenyl or alkynyl silane is bonded onto the surface of silica based on the horizontal polymerization approach to obtain alkenyl- or alkynyl-modified silica. Then the thiol click reaction with zwitterionic compound containing thiol group is performed to obtain the zwitterionic hydrophilic interaction chromatographic stationary phase. The present stationary phase possesses both zwitterionic characteristics and excellent hydrophilicity. It can be widely applied in the separation of variety of samples.Type: GrantFiled: November 25, 2011Date of Patent: September 22, 2015Assignee: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCESInventors: Xinmiao Liang, Aijin Shen, Zhimou Guo, Long Yu, Liwei Cao
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Publication number: 20140171518Abstract: The present invention pertains to products and processes relating to compatible polymer blends comprising at least one sulfonated polymer and at least one non-sulfonated polymer. The sulfonated polymers may be produced using a number of sulfonating agents including a coordination complex of sulfur trioxide. The polymeric blended materials described herein are useful in a variety of applications, including as coatings for medical devices, protective clothing and fabric, laboratory equipment, vascular stents and shunts, absorbent materials and separation membranes, three-dimensional constructs, devices, and other uses.Type: ApplicationFiled: November 8, 2013Publication date: June 19, 2014Applicants: DAIS ANALYTIC CORPORATION, AEGIS BIOSCIENCES, L.L.C.Inventors: David John Vachon, Liwei Cao, Gary Wnek
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Publication number: 20130324700Abstract: A type of liquid chromatographic stationary phase and preparation method thereof, the bonding terminal of the chromatographic stationary phase is zwitterionic functional group. The preparation method includes the following steps, alkenyl or alkynyl silane is bonded onto the surface of silica based on the horizontal polymerization approach to obtain alkenyl- or alkynyl-modified silica. Then the thiol click reaction with zwitterionic compound containing thiol group is performed to obtain the zwitterionic hydrophilic interaction chromatographic stationary phase. The present stationary phase possesses both zwitterionic characteristics and excellent hydrophilicity. It can be widely applied in the separation of variety of samples.Type: ApplicationFiled: November 25, 2011Publication date: December 5, 2013Applicant: Dailian Institute of Chemical Physics, Chinese Aca of SciencesInventors: Xinmiao Liang, Aijin Shen, Zhimou Guo, Long Yu, Liwei Cao
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Patent number: 8586637Abstract: The present invention pertains to products and processes relating to compatible polymer blends comprising at least one sulfonated polymer and at least one non-sulfonated polymer. The sulfonated polymers may be produced using a number of sulfonating agents including a coordination complex of sulfur trioxide. The polymeric blended materials described herein are useful in a variety of applications, including as coatings for medical devices, protective clothing and fabric, laboratory equipment, vascular stents and shunts, absorbent materials and separation membranes, three-dimensional constructs, devices, and other uses.Type: GrantFiled: June 24, 2008Date of Patent: November 19, 2013Assignees: Dais Analytic Corporation, Aegis Biosciences, L.L.C.Inventors: David John Vachon, Liwei Cao, Gary Wnek
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Patent number: 8500960Abstract: Disclosed herein are embodiments relating to particular systems comprising a selective transfer membrane that can be utilized in material separation. In certain embodiments, the membrane assembly comprises part of a desalination, distillation, liquid purification, and/or heating and cooling system. Other particular embodiments allow for a high rate of thermal capture by way of the system utilizing a selective transfer membrane. Certain preferred embodiments include a selective transfer membrane comprising an ionomeric polymer that is permeable to high dipole materials.Type: GrantFiled: January 22, 2008Date of Patent: August 6, 2013Assignee: Dais Analytic CorporationInventors: Scott G. Ehrenberg, Brian Johnson, Liwei Cao, Hung Huynh, Timothy Tangredi
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Patent number: 8222346Abstract: The present invention is a novel block copolymer containing a controlled distribution copolymer block of a conjugated diene and a mono alkenyl arene, where the controlled distribution copolymer block has terminal regions that are rich in conjugated diene units and a center region that is rich in mono alkenyl arene units. Also disclosed is a method for manufacture of the block copolymer.Type: GrantFiled: September 22, 2004Date of Patent: July 17, 2012Assignee: Dais-Analytic Corp.Inventors: Liwei Cao, Scott G. Ehrenberg, Joseph M Serpico
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Patent number: 7990679Abstract: Particular aspects provide capacitors, and particularly ultracapacitors, including molecules suitable to substantially increase the capacitance of the capacitor, and methods for making same, Particular aspects provide ultracapacitors that include nanoparticles optionally coated with molecules, such as polymer electrolytes. Certain aspects provide an energy storage device or capacitor, including at least three layers sealed in a fluid-tight covering, wherein a first layer includes at least one electrolytic polymer molecule of positive charge and at least one nanoparticle; a second dielectric layer including at least one insulative polymer; a third layer including at least one electrolytic polymer molecule of negative charge and at least one nanoparticle.Type: GrantFiled: July 16, 2007Date of Patent: August 2, 2011Assignee: Dais Analytic CorporationInventors: Scott G. Ehrenberg, Liwei Cao
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Publication number: 20110092650Abstract: The present invention is a novel block copolymer containing a controlled distribution copolymer block of a conjugated diene and a mono alkenyl arene, where the controlled distribution copolymer block has terminal regions that are rich in conjugated diene units and a center region that is rich in mono alkenyl arene units. Also disclosed is a method for manufacture of the block copolymer.Type: ApplicationFiled: September 22, 2004Publication date: April 21, 2011Inventors: Liwei Cao, Scott G. Ehrenberg, Jospeh M. Serpico
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Publication number: 20100273901Abstract: The present invention pertains to products and processes relating to sulfonating molecules, including nucleic acids, amino acids, peptides, polypeptides, oligomers, polymers, and copolymers. The disclosed process allows for a uniform and controlled level of sulfonating molecules. The sulfonated molecules produced by the disclosed process exhibit a high degree of uniform sulfonation as well as improved properties.Type: ApplicationFiled: May 9, 2008Publication date: October 28, 2010Applicants: AEGIS BIOSCIENCES LLC, DAIS ANALYTIC CORPORATIONInventors: Scott G. Ehrenberg, Liwei Cao, David Vachon, Kevin Coppola, James Balog
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Publication number: 20100261799Abstract: The present invention pertains to products and processes relating to compatible polymer blends comprising at least one sulfonated polymer and at least one non-sulfonated polymer. The sulfonated polymers may be produced using a number of sulfonating agents including a coordination complex of sulfur trioxide. The polymeric blended materials described herein are useful in a variety of applications, including as coatings for medical devices, protective clothing and fabric, laboratory equipment, vascular stents and shunts, absorbent materials and separation membranes, three-dimensional constructs, devices, and other uses.Type: ApplicationFiled: June 24, 2008Publication date: October 14, 2010Inventors: David John Vachon, Liwei Cao, Gary Wnek
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Publication number: 20100170776Abstract: Disclosed herein are embodiments relating to particular systems comprising a selective transfer membrane that can be utilized in material separation. In certain embodiments, the membrane assembly comprises part of a desalination, distillation, liquid purification, and/or heating and cooling system. Other particular embodiments allow for a high rate of thermal capture by way of the system utilizing a selective transfer membrane. Certain preferred embodiments include a selective transfer membrane comprising an ionomeric polymer that is permeable to high dipole materials.Type: ApplicationFiled: January 22, 2008Publication date: July 8, 2010Inventors: Scott G. Ehrenberg, Brian Johnson, Liwei Cao, Hung Huynh, Timothy Tangredi
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Publication number: 20080316678Abstract: Particular aspects provide capacitors, and particularly ultracapacitors, comprising molecules suitable to substantially increasing the capacitance of the capacitor, and methods for making same Particular aspects provide ultracapacitors that include nanoparticles optionally coated with molecules, such as polymer electrolytes. Certain aspects provide an energy storage device or capacitor, comprising at least three layers sealed in a fluid-tight covering, wherein a first layer comprises at least one electrolytic polymer molecule of positive charge and at least one nanoparticle; a second dielectric layer comprising at least one insulative polymer; a third layer comprising at least one electrolytic polymer molecule of negative charge and at least one nanoparticle.Type: ApplicationFiled: July 16, 2007Publication date: December 25, 2008Inventors: Scott G. Ehrenberg, Liwei Cao
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Patent number: 7179860Abstract: An organic-inorganic hybrid is derived from combining at least one inorganic alkoxide and a hydrogenated sulfonated block copolymer containing a controlled distribution copolymer block of a conjugated diene and a mono alkenyl arene, where the controlled distribution copolymer block has terminal regions that are rich in conjugated diene units and a center region that is rich in mono alkenyl arene units. The inorganic alkoxide may be an alkoxysilane compound or composition.Type: GrantFiled: January 11, 2005Date of Patent: February 20, 2007Inventors: Liwei Cao, Scott G. Ehrenberg, Joseph M. Serpico
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Publication number: 20050215728Abstract: An organic-inorganic hybrid is derived from combining at least one inorganic alkoxide and a hydrogenated sulfonated block copolymer containing a controlled distribution copolymer block of a conjugated diene and a mono alkenyl arene, where the controlled distribution copolymer block has terminal regions that are rich in conjugated diene units and a center region that is rich in mono alkenyl arene units. The inorganic alkoxide may be an alkoxysilane compound or composition.Type: ApplicationFiled: January 11, 2005Publication date: September 29, 2005Applicant: Dais-Analytic CorporationInventors: Liwei Cao, Scott Ehrenberg, Joseph Serpico