Patents by Inventor Rong Zhu
Rong Zhu 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: 20220325368Abstract: There is provided a method of dynamic control for a bottom blowing O2—CO2—CaO converter steelmaking process. In the process, O2 is adopted as a top blowing gas, a mixed gas O2+CO2 is adopted as a bottom blowing carrier gas to inject lime powders into the converter from a bottom blowing tuyere. The ingredients of the molten steel in the converter steelmaking process are predicted based on the conservation of matter, in combination with the ingredient data of charged molten iron, the ingredient data of the converter gas in the converter blowing process, and working conditions of the bottom blowing device. The top blowing oxygen amount, the bottom blowing gas ratio and the flow rate of lime powder are dynamically adjusted stage by stage according to requirements for target ingredients at the end point of blowing.Type: ApplicationFiled: August 11, 2020Publication date: October 13, 2022Inventors: Rong ZHU, Weifeng LI, Guangsheng WEI, Chao FENG, Kai DONG, Runzao LIU, Yun ZHOU, Qiang RUAN, Guoli WEI, Deyong WANG, Qingde ZHU, Zhiguo HAN
-
Publication number: 20220235427Abstract: A long-life service method for powder-bottom-injecting converter based on collaborative hot replacement of furnace bottom and bottom purging brick belongs to the field of steelmaking technologies using powder-bottom-injecting converters. According to equipment characteristics, process characteristics, and erosion characteristics of the powder-bottom-injecting converter, the design, arrangement, installation, use, maintenance, and replacement of the bottom purging/powder injection bricks are systematically optimized and improved, a technology of automatically detecting the erosion height of bottom purging bricks is adopted, and hot replacement of bottom purging/powder injection bricks and hot replacement of the converter furnace bottom are used collaboratively, which not only can prolong the service life of a single bottom purging/powder injection brick, but also can greatly prolong the overall life of the powder-bottom-injecting converter from 1000-3000 heats in the prior art to 6000-10000 heats.Type: ApplicationFiled: September 16, 2021Publication date: July 28, 2022Applicants: University of Science and Technology Beijing, Soochow UniversityInventors: Rong ZHU, Shaoyan HU, Kai DONG, Rongfang SU, Weifeng LI
-
Publication number: 20220164943Abstract: A circuit board detection method includes obtaining an input circuit board image, performing a detection on designated components of a circuit board in the circuit board image according to a preset detection method, determining whether a designated component in the circuit board image that fails the detection is allowed to shift within a preset angle range, and determining that the circuit board passes the detection when the designated component that fails the detection is allowed to shift within the preset angle range. The designated components include one or both of silkscreened components and non-silkscreened components.Type: ApplicationFiled: January 26, 2021Publication date: May 26, 2022Inventors: ZI-QING XIA, HONG WU, YI-KUN WANG, OU-YANG LI, CHAO HUANG, SU-RONG ZHU, MIN CHEN, JIA-HE NING, ZHONG-SHU CHEN
-
Patent number: 11322872Abstract: A plug connector used to mate with the socket connector includes: a housing; a printed circuit board received in the housing, the circuit print board having plural soldering points; and a cable electrically connected to the soldering points of the printed circuit board, wherein the soldering points are provided with glue blocks to protect a connection between the printed circuit board and the cable.Type: GrantFiled: June 18, 2020Date of Patent: May 3, 2022Assignees: FOXCONN (KUNSHAN) COMPUTER CONNECTOR CO., LTD., FOXCONN INTERCONNECT TECHNOLOGY LIMITEDInventors: Wei Meng, Zheng-Rong Zhu, Jun Chen, Yang-Tsun Hsu
-
Patent number: 11264743Abstract: A plug connector includes: an insulative housing including a main body, a reinforcement projecting forward from the main body, and a pair of baffle plates; and a printed circuit board partially received in the insulative housing, the printed circuit board extending forward from the main body and beyond the reinforcement, the reinforcement wrapping on the printed circuit board, wherein a width of a front end of the printed circuit board exposed outside the main body in a horizontal direction is greater than a width of the reinforcement, and a limiting groove is formed between the baffle plate and the printed circuit board for guiding the plug connector to mate with a socket connector.Type: GrantFiled: June 18, 2020Date of Patent: March 1, 2022Assignees: FOXCONN (KUNSHAN) COMPUTER CONNECTOR CO., LTD., FOXCONN INTERCONNECT TECHNOLOGY LIMITEDInventors: Wei Meng, Zheng-Rong Zhu, Jun Chen, Yang-Tsun Hsu
-
Publication number: 20220034687Abstract: Methods of measuring an anomaly, any induced change in physical parameters such as strain, temperature, and so forth, in an optical fiber. One method may include launching a plurality of probe pulses from a probe source; recording a Brillouin scattering spectrum from a plurality of reflection signals generated in the optical fiber, responsive to the plurality of probe pulses; determining a relative motion between the optical fiber and the anomaly during the recording the Brillouin back-scattering spectrum; and dynamically adjusting the Brillouin back-scattering spectrum according to the relative motion, or performing an adjustment of the Brillouin back-scattering spectrum after acquisition of the Brillouin back-scattering spectrum.Type: ApplicationFiled: July 30, 2021Publication date: February 3, 2022Applicant: SUBCOM, LLCInventor: Rong Zhu
-
Patent number: 11200474Abstract: A wireless sensor platform design and a single walled carbon nanotube/ionic liquid-based chemidosimeter system can incorporated into a highly sensitive and selective chemical hazard badge that can dosimetrically detect an analyte down to a sub parts-per-million concentration.Type: GrantFiled: December 31, 2019Date of Patent: December 14, 2021Assignee: MASSACHUSETTS INSTITUTE OF TECHNOLOGYInventors: Timothy M. Swager, Joseph Michael Azzarelli, Rong Zhu
-
Publication number: 20210355554Abstract: A production apparatus and method for electric arc furnace steelmaking with a fully continuous ultra-short process are provided. A continuous adding, melting, smelting and continuous casting of a metal material are integrated, and a metallurgy process is completed in a flowing of a molten steel, to realize a continuous production of ingot blanks. The production apparatus includes four operation sites of an electric arc furnace for melting and primary refining, a sealed tapping chute for molten steel flowing, a refinement storage bed for molten-steel desulfurization and alloying and a conticaster for continuous casting A material flow, an energy flow and a time stream in the four operation sites are in a dynamic equilibrium. The production apparatus and method realize a molten-steel casting is started within 120 minutes after the metal material is started to be continuously added, and an uninterrupted continuous production is maintained for above 80 hours.Type: ApplicationFiled: December 17, 2020Publication date: November 18, 2021Applicant: University of Science and Technology BeijingInventors: Rong ZHU, Bohan TIAN, Kai DONG, Guangsheng WEI, Rongfang SU
-
Patent number: 11174524Abstract: A production apparatus and method for electric arc furnace steelmaking with a fully continuous ultra-short process are provided. A continuous adding, melting, smelting and continuous casting of a metal material are integrated, and a metallurgy process is completed in a flowing of a molten steel, to realize a continuous production of ingot blanks. The production apparatus includes four operation sites of an electric arc furnace for melting and primary refining, a sealed tapping chute for molten steel flowing, a refinement storage bed for molten-steel desulfurization and alloying and a conticaster for continuous casting A material flow, an energy flow and a time stream in the four operation sites are in a dynamic equilibrium. The production apparatus and method realize a molten-steel casting is started within 120 minutes after the metal material is started to be continuously added, and an uninterrupted continuous production is maintained for above 80 hours.Type: GrantFiled: December 17, 2020Date of Patent: November 16, 2021Assignee: UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJINGInventors: Rong Zhu, Bohan Tian, Kai Dong, Guangsheng Wei, Rongfang Su
-
Patent number: 11108190Abstract: An electrical connector includes: a connector unit having a mating part, the mating part defining a front mating end; a sleeve enclosing the mating part and extending forwardly beyond the front mating end to define a receiving chamber; and an outer cover enclosing the sleeve and the connector unit, wherein the sleeve has a front portion containing the receiving chamber, and the outer cover is made of a material softer than the sleeve.Type: GrantFiled: February 25, 2020Date of Patent: August 31, 2021Assignees: FOXCONN (KUNSHAN) COMPUTER CONNECTOR CO., LTD., FOXCONN INTERCONNECT TECHNOLOGY LIMITEDInventors: Zheng-Rong Zhu, Jun Chen, Jerry Wu
-
Patent number: 10988818Abstract: An efficient long-service-life blowing method include the steps of introducing vanadium extraction converter flue gas and decarburization converter flue gas into an oxygen combustor; obtaining first-purity CO2—N2 mixed gas through the vanadium extraction converter flue gas; obtaining second-purity CO2—N2 mixed gas through the decarburization converter flue gas; obtaining O2—CO2—N2 mixed gas through the decarburization converter flue gas; obtaining first-purity CO2 gas through the second-purity CO2—N2 mixed gas; and using the first-purity CO2—N2 mixed gas for bottom blowing of the vanadium extraction converter, using the second-purity CO2—N2 mixed gas as a carrier gas for blowing iron ore powder into the vanadium extraction converter, and using the O2—CO2—N2 mixed gas and the first-purity CO2 gas as a carrier gas for bottom blowing of the decarburization converter and bottom injecting of lime powder into the decarburization converter.Type: GrantFiled: July 10, 2020Date of Patent: April 27, 2021Assignee: UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJINGInventors: Rong Zhu, Shaoyan Hu, Kai Dong, Guangsheng Wei, Haoran Ma, Weifeng Li, Yun Zhou, Zhihui Li, Wenhe Wu, Baochen Han, Chao Feng, Rongfang Su
-
Publication number: 20200403338Abstract: A plug connector used to mate with the socket connector includes: a housing; a printed circuit board received in the housing, the circuit print board having plural soldering points; and a cable electrically connected to the soldering points of the printed circuit board, wherein the soldering points are provided with glue blocks to protect a connection between the printed circuit board and the cable.Type: ApplicationFiled: June 18, 2020Publication date: December 24, 2020Inventors: WEI MENG, ZHENG-RONG ZHU, JUN CHEN, YANG-TSUN HSU
-
Publication number: 20200403333Abstract: A plug connector includes: an insulative housing including a main body, a reinforcement projecting forward from the main body, and a pair of baffle plates; and a printed circuit board partially received in the insulative housing, the printed circuit board extending forward from the main body and beyond the reinforcement, the reinforcement wrapping on the printed circuit board, wherein a width of a front end of the printed circuit board exposed outside the main body in a horizontal direction is greater than a width of the reinforcement, and a limiting groove is formed between the baffle plate and the printed circuit board for guiding the plug connector to mate with a socket connector.Type: ApplicationFiled: June 18, 2020Publication date: December 24, 2020Inventors: WEI MENG, ZHENG-RONG ZHU, JUN CHEN, YANG-TSUN HSU
-
Publication number: 20200394485Abstract: A wireless sensor platform design and a single walled carbon nanotube/ionic liquid-based chemidosimeter system can incorporated into a highly sensitive and selective chemical hazard badge that can dosimetrically detect an analyte down to a sub parts-per-million concentration.Type: ApplicationFiled: December 31, 2019Publication date: December 17, 2020Applicant: Massachusetts Institute of TechnologyInventors: Timothy M. Swager, Joseph Michael Azzarelli, Rong Zhu
-
Publication number: 20200340070Abstract: An efficient long-service-life blowing method include the steps of introducing vanadium extraction converter flue gas and decarburization converter flue gas into an oxygen combustor; obtaining first-purity CO2—N2 mixed gas through the vanadium extraction converter flue gas; obtaining second-purity CO2—N2 mixed gas through the decarburization converter flue gas; obtaining O2—CO2—N2 mixed gas through the decarburization converter flue gas; obtaining first-purity CO2 gas through the second-purity CO2—N2 mixed gas; and using the first-purity CO2—N2 mixed gas for bottom blowing of the vanadium extraction converter, using the second-purity CO2—N2 mixed gas as a carrier gas for blowing iron ore powder into the vanadium extraction converter, and using the O2—CO2—N2 mixed gas and the first-purity CO2 gas as a carrier gas for bottom blowing of the decarburization converter and bottom injecting of lime powder into the decarburization converter.Type: ApplicationFiled: July 10, 2020Publication date: October 29, 2020Inventors: Rong ZHU, Shaoyan HU, Kai DONG, Guangsheng WEI, Haoran MA, Weifeng LI, Yun ZHOU, Zhihui LI, Wenhe WU, Baochen HAN, Chao FENG, Rongfang SU
-
Patent number: 10808290Abstract: A clean and rapid smelting method in an electric arc furnace with full scrap steel, is suitable for smelting process of 30-300 t electric arc furnace with full scrap steel. In the smelting process of the electric arc furnace with full scrap steel, different kinds of mediums are injected by an injection lance which is installed inside refractory material of sidewall at the bottom of the electric arc furnace in different stages of smelting. Carburization is utilized in molten pool to accelerate melting down and improve carbon content of the molten pool at the stage of recarburizing and fluxing. A reaction in the molten pool is intensified at the stage of high efficiency dephosphorization and deep denitrogenation, to enhance efficient dephosphorization and deep denitrification of the reaction in the molten pool, thereby accelerating the smelting speed of the electric arc furnace with full scrap steel, improving effect of dephosphorization and denitrification.Type: GrantFiled: August 2, 2018Date of Patent: October 20, 2020Assignee: University of Science and Technology BeijingInventors: Rong Zhu, Guangsheng Wei, Kai Dong, Jingxin Zhao, Xuetao Wu, Tianping Tang, Xueliang Wang, Wenhe Wu, Shaoyan Hu, Yun Wang
-
Patent number: 10767239Abstract: A production method for smelting clean steel from full-scrap steel using duplex electric arc furnaces. Electric arc furnaces located in two positions are connected in series, wherein the electric arc furnace in a first position is dephosphorization electric arc furnace, and the electric arc furnace in a second position is a decarbonization electric arc furnace. The production method includes: performing smelting by combining a decarbonization electric arc furnace and 1-3 dephosphorization electric arc furnaces; a specific process of performing the smelting includes: in a charging period of the 1-3 dephosphorization electric arc furnaces, adding the full-scrap steel for the smelting, lime, slag in the decarbonization electric arc furnace, auxiliary materials and carbon powder or a carbon block into the dephosphorization electric arc furnace.Type: GrantFiled: April 22, 2018Date of Patent: September 8, 2020Assignees: UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING, TANGSHAN FIRST TANG BAOSHENG FUNCTIONAL MATERIALS CO., LTD.Inventors: Rong Zhu, Guangsheng Wei, Tianping Tang, Kai Dong, Liangxin Zhao, Xuetao Wu, Fengwu Chen
-
Publication number: 20200274287Abstract: An electrical connector includes: a connector unit having a mating part, the mating part defining a front mating end; a sleeve enclosing the mating part and extending forwardly beyond the front mating end to define a receiving chamber; and an outer cover enclosing the sleeve and the connector unit, wherein the sleeve has a front portion containing the receiving chamber, and the outer cover is made of a material softer than the sleeve.Type: ApplicationFiled: February 25, 2020Publication date: August 27, 2020Inventors: ZHENG-RONG ZHU, JUN CHEN, JERRY WU
-
Patent number: 10719755Abstract: A tag for detecting an analyte can include a radio frequency identification tag including a sensor portion, the sensor portion configured to change resistivity when the radio frequency identification tag contacts or interacts with an analyte, whereby the resistivity change alters an output of the radio frequency identification tag, wherein the sensor portion includes a circuit, and wherein the sensor portion is configured to activate the circuit or deactivate the circuit when contacted or having interacted with the analyte, wherein the sensor portion includes a conductive material associated with a polymer complex.Type: GrantFiled: March 30, 2018Date of Patent: July 21, 2020Assignee: MASSACHUSETTS INSTITUTE OF TECHNOLOGYInventors: Timothy Manning Swager, Rong Zhu, Maude Desroches, Bora Yoon
-
Patent number: 10211552Abstract: A cable connector assembly includes: an insulative base (1); plural contacts secured to the insulative base, each contact having a contacting portion, a terminating portion, and a securing portion between the contacting portion and the terminating portion; a cable including plural wires connected to the contacts, each wire having a center conductor; and an outer shell enclosing the insulative base and a part of the cable; wherein the contact terminating portion has a groove (2021) receiving the cable wire center conductor; and the cable wire center conductor extends to terminate perpendicularly to an associated contact. Plural interconnecting pieces each secured to an associated cable wire center conductor are also designed to replace direct connection of the cable wires to the contacts.Type: GrantFiled: October 23, 2017Date of Patent: February 19, 2019Assignee: FOXCONN INTERCONNECT TECHNOLOGY LIMITEDInventors: Zheng-Rong Zhu, Jun Chen, Jerry Wu