Patents by Inventor Xiaodong Zhu
Xiaodong 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).
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Patent number: 11958378Abstract: A movable battery replacing platform includes a travel-driving portion used for driving the movable battery replacing platform to move on the ground; a lifting portion mounted on the travel-driving portion, for lifting a battery during the replacement of the battery; and a battery mounting portion mounted on the top of the lifting portion, for placing a battery to be replaced or a replaced battery. The battery mounting porting is provided with a battery replacing device. The device can use an unlocking device to unlock a battery locked on the bottom of an electric vehicle, automatically aligning an unlocking point of a battery locking mechanism and realizing automatic unlocking in the movement. The angle of an upper board relative to the battery unlocking position can be adjusted by a movement actuating device, so that the unlocking point of the battery can automatically fit where the movable battery replacing platform remains still.Type: GrantFiled: December 21, 2021Date of Patent: April 16, 2024Assignees: SHANGHAI DIANBA NEW ENERGY TECHNOLOGY CO., LTD., AULTON NEW ENERGY AUTOMOTIVE TECHNOLOGY GROUPInventors: Jianping Zhang, Chunhua Huang, Junqiao Zhou, Minghou Zhu, Xiaodong Li, Rui Zou, Shiyong Di
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Patent number: 11958379Abstract: Disclosed is an unlocking device, battery replacing platform and movable battery replacing platform. The unlocking device comprises: a guide rail; a movable seat mounted on the guide rail; an unlocking ejector rod vertically mounted on the movable seat; and a driving member to drive the movable seat to move horizontally along a plane of the guide rail, the driving member is a driving push rod; the movable seat mounted on the guide rail includes a fixing cylinder fixed vertically mounted direct on the movable seat, and the unlocking ejector rod is movably mounted inside of the fixing cylinder, and a second spring is provided in the fixing cylinder, the second spring is configured to apply an upward thrust to the unlocking ejector rod. The unlocking ejector rod can be controlled to move on the predetermined rail, and the battery locking mechanism on the electric vehicle can be automatically unlocked.Type: GrantFiled: December 21, 2021Date of Patent: April 16, 2024Assignees: SHANGHAI DIANBA NEW ENERGY TECHNOLOGY CO., LTD., AULTON NEW ENERGY AUTOMOTIVE TECHNOLOGY GROUPInventors: Jianping Zhang, Chunhua Huang, Junqiao Zhou, Minghou Zhu, Xiaodong Li, Rui Zou, Shiyong Di
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Patent number: 11959535Abstract: A continuously variable transmission with both equal-difference output and equal-ratio output includes an input mechanism, a hydraulic transmission mechanism, a planetary-gear-set convergence mechanism, an equal-difference output mechanism, an equal-ratio output mechanism, a clutch assembly, and a brake. The clutch assembly connects an output end of the input mechanism to an input end of the hydraulic transmission mechanism and the planetary-gear-set convergence mechanism and connects an output end of the hydraulic transmission mechanism to the planetary-gear-set convergence mechanism. The clutch assembly connects the planetary-gear-set convergence mechanism to the equal-difference output mechanism and the equal-ratio output mechanism. The clutch assembly connects the equal-ratio output mechanism to the equal-difference output mechanism.Type: GrantFiled: January 10, 2022Date of Patent: April 16, 2024Assignee: JIANGSU UNIVERSITYInventors: Zhen Zhu, Lingxin Zeng, Yingfeng Cai, Long Chen, Yanpeng Yang, Dongqing Wang, Yulin Deng, Xiaodong Sun, Xiang Tian, Yong Wang, Falin Zeng, Chaofeng Pan
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Publication number: 20240117869Abstract: A continuously variable transmission with both equal-difference output and equal-ratio output includes an input mechanism, a hydraulic transmission mechanism, a planetary-gear-set convergence mechanism, an equal-difference output mechanism, an equal-ratio output mechanism, a clutch assembly, and a brake. The clutch assembly connects an output end of the input mechanism to an input end of the hydraulic transmission mechanism and the planetary-gear-set convergence mechanism and connects an output end of the hydraulic transmission mechanism to the planetary-gear-set convergence mechanism. The clutch assembly connects the planetary-gear-set convergence mechanism to the equal-difference output mechanism and the equal-ratio output mechanism. The clutch assembly connects the equal-ratio output mechanism to the equal-difference output mechanism.Type: ApplicationFiled: January 10, 2022Publication date: April 11, 2024Applicant: JIANGSU UNIVERSITYInventors: Zhen ZHU, Lingxin ZENG, Yingfeng CAI, Long CHEN, Yanpeng YANG, Dongqing WANG, Yulin DENG, Xiaodong SUN, Xiang TIAN, Yong WANG, Falin ZENG, Chaofeng PAN
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Publication number: 20230250502Abstract: Disclosed is a multi-layer composite cold-rolled steel plate, provided with an upper surface layer, a lower surface layer and at least one interlayer between the upper surface layer and the lower surface layer in the thickness direction of the steel plate, wherein the phase proportion of austenite in the microstructure of the upper surface layer and the lower surface layer is ?95%, and the at least one interlayer comprises at least one first interlayer, with the phase proportion of martensite in the microstructure of the first interlayer being ?85%. In addition, further disclosed is a method for manufacturing the multi-layer composite cold-rolled steel plate above, the method comprising the steps of: (1) preparing billets for various layers and assembling the billets; (2) rolling; (3) acid pickling and cold-rolling; (4) annealing, involving: controlling the annealing temperature to be 830-890° C., then cooling to 700-800° C. at a rate of 3-15° C.Type: ApplicationFiled: June 22, 2021Publication date: August 10, 2023Applicant: BAOSHAN IRON & STEEL CO., LTD.Inventors: Xiaodong ZHU, Peng XUE
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Publication number: 20230243008Abstract: Disclosed is an electro-galvanized super-strength dual-phase steel resistant to delayed cracking. A matrix structure thereof is ferrite+tempered martensite and the steel contains the following chemical elements in the following mass percentages: C:0.07-0.1%, Si: 0.05-0.3%, Mn: 2.0-2.6%, Cr: 0.2-0.6%, Mo: 0.1-0.25%, Al: 0.02-0.05%, Nb: 0.02-0.04%, and V: 0.06-0.2%. Also disclosed is a method for manufacturing the electro-galvanized super-strength dual-phase steel resistant to delayed cracking, the method comprising the steps of: smelting and continuous casting, hot rolling, cold rolling, annealing, tempering, leveling and electroplating. The electro-galvanized super-strength dual-phase steel resistant to delayed cracking according to the present invention not only has better mechanical properties, but also has excellent delayed cracking resistance and low initial hydrogen content.Type: ApplicationFiled: May 25, 2021Publication date: August 3, 2023Applicant: BAOSHAN IRON & STEEL CO., LTD.Inventors: Wei LI, Xiaodong ZHU, Peng XUE
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Publication number: 20230227930Abstract: Disclosed in the present disclosure is an ultrahigh-strength dual-phase steel. The matrix structure of the ultrahigh-strength dual-phase steel is ferrite and martensite, wherein the ferrite and the martensite are evenly distributed in an island shape. The ultrahigh-strength dual-phase steel contains the following chemical elements in percentage by mass: 0.12-0.2% of C, 0.5-1.0% of Si, 2.5-3.0% of Mn, 0.02-0.05% of Al, 0.02-0.05% of Nb, 0.02-0.05% of Ti, and 0.001-0.003% of B. Further disclosed in the present disclosure is a manufacturing method for the ultrahigh-strength dual-phase steel, comprising the steps of smelting and continuous casting, hot rolling, cold rolling, annealing, tempering, and leveling. The ultrahigh-strength dual-phase steel in the present disclosure has not only good mechanical properties but also excellent delayed cracking resistance and low initial hydrogen content, and can be suitable for manufacturing of vehicle safety structural parts.Type: ApplicationFiled: May 25, 2021Publication date: July 20, 2023Applicant: BAOSHAN IRON & STEEL CO., LTD.Inventors: Wei LI, Xiaodong ZHU, Peng XUE
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Publication number: 20230203611Abstract: Disclosed is a cold-rolled and annealed dual-phase steel having a tensile strength of greater than 780 MPa. A matrix structure thereof is fine and uniform martensite+ferrite. The cold-rolled and annealed dual-phase steel contains the following chemical elements in the following mass percentages: C: 0.1%-0.13%, Si: 0.4%-0.8%, Mn: 1.65%-1.9%, Al: 0.01%-0.05%, Nb: 0.01-0.03%, and Ti: 0.01-0.03%. Furthermore, the cold-rolled annealed dual-phase steel does not contain the elements Cr or Mo. In addition, also disclosed is a method for manufacturing the cold-rolled and annealed dual-phase steel, comprising smelting and continuous casting, hot rolling, cold rolling, annealing, tempering and flattening. The cold-rolled and annealed dual-phase steel of the present invention is not only economical, but also has the characteristics of high strength, excellent elongation and cold bending properties.Type: ApplicationFiled: May 25, 2021Publication date: June 29, 2023Applicant: BAOSHAN IRON & STEEL CO., LTD.Inventors: Wei LI, Xiaodong ZHU, Peng XUE
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Publication number: 20230098505Abstract: A cold-rolled annealed dual-phase steel is provided, having a microstructure of ferrite and martensite, and comprising the following chemical elements in mass percentage: 0.08% to 0.1% of C, 1.95% to 2.2% of Mn, 0.1% to 0.6% of Si, 0.020% to 0.050% of Nb, 0.020% to 0.050% of Ti, 0.015% to 0.045% of Als, 0.40% to 0.60% of Cr, 0.2% to 0.4% of Mo, 0.001% to 0.005% of Ca, and the balance being Fe and other inevitable impurities. A method for manufacturing the cold-rolled annealed dual-phase steel is also provided, comprising the steps of: (1) smelting and casting; (2) hot rolling; (3) cold rolling; (4) annealing; and (5) temper rolling.Type: ApplicationFiled: June 26, 2018Publication date: March 30, 2023Applicant: BAOSHAN IRON & STEEL CO., LTD.Inventors: Wei LI, Xiaodong ZHU, Peng XUE
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Publication number: 20230001504Abstract: Disclosed in the present invention is a manufacturing method for a carbon steel and austenitic stainless-steel rolling clad plate, comprising the steps of: (1) obtaining a blank material of a carbon steel layer and a blank material of a stainless-steel layer; (2) assembling blank materials; (3) cladding and rolling; (4) cold rolling; (5) first annealing; and (6) second annealing. The carbon steel and austenitic stainless-steel rolling clad plate has two unique annealing processes, so that the clad plate has the performance advantages of the austenitic stainless-steel and the carbon steel. In addition, further disclosed in the present invention is a carbon steel and austenitic stainless-steel rolling clad plate manufactured by this method.Type: ApplicationFiled: November 27, 2020Publication date: January 5, 2023Applicant: BAOSHAN IRON & STEEL CO., LTD.Inventors: Peng XUE, Xiaodong ZHU, Bo YAN, Sihai JIAO
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Publication number: 20220410533Abstract: Disclosed is a multi-layer rolled composite board, comprising a transition layer provided between two adjacent composite layers, wherein the transition layer is an anisotropic steel sheet. Also disclosed is a manufacturing method for the multi-layer rolled composite board, the method comprising the following steps: (1) providing a transition layer between adjacent composite layers to assemble a blank, and creating a vacuum between the layers; and (2) performing composite rolling, comprising: heating the blank to 1100-1260° C. and maintaining the temperature for 0.6 h or above, then performing hot rolling at a temperature of Ar3 or above, with the final rolling temperature being controlled to be higher than 820° C., cooling at a speed of 30-100° C./s after rolling, and then coiling, with the coiling temperature being controlled to be 20-750° C.Type: ApplicationFiled: November 25, 2020Publication date: December 29, 2022Applicant: BAOSHAN IRON & STEEL CO., LTD.Inventors: Peng XUE, Xiaodong ZHU, Bo YAN, Sihai JIAO
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Publication number: 20220235429Abstract: Disclosed is a method for manufacturing a cold-rolling strip steel (1) with the strength and hardness thereof varying in a thickness direction, the method comprising the steps: smelting, continuous casting, hot rolling, cold rolling, and continuous annealing. When quenching is performed in the continuous annealing step, an asymmetric quenching and cooling process is performed on both surfaces of the strip steel. In addition, also disclosed is a cold-rolling strip steel (1) with the strength and hardness thereof varying in a thickness direction, which is prepared by the above manufacturing method.Type: ApplicationFiled: June 24, 2020Publication date: July 28, 2022Applicant: BAOSHAN IRON & STEEL CO., LTD.Inventors: Xiaodong ZHU, Peng XUE, Wei LI
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Patent number: 11377711Abstract: The invention discloses a 780 MPa cold-rolled dual-phase strip steel having a microstructure of fine equiaxed ferrite matrix and martensite islands distributed homogeneously on the ferrite matrix, and comprising the following chemical elements in mass percentage: C: 0.06-0.1%; Si?0.28%; Mn: 1.8-2.3%; Cr: 0.1-0.4%; Mo: not added when Cr?0.3%; Mo=0.3—Cr when Cr<0.3%; Al: 0.015-0.05%; at least one of Nb and Ti elements, wherein Nb+Ti is in the range of 0.02-0.05%; and the balance amounts of Fe and other unavoidable impurities. Correspondingly, the invention also discloses a method for manufacturing the 780 MPa cold-rolled dual-phase strip steel. The 780 MPa cold-rolled dual-phase strip steel has high strength, superior elongation, good phosphating property and small anisotropy in mechanical properties.Type: GrantFiled: May 24, 2013Date of Patent: July 5, 2022Assignee: Baoshan Iron & Steel Co., Ltd.Inventors: Xiaodong Zhu, Xufei Li, Peifang Du
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Patent number: 11339451Abstract: A low-cost and high-formability 1180 MPa grade cold-rolled annealed dual-phase steel plate and a manufacturing method thereof are provided. The dual-phase steel plate has the following chemical composition by mass percentages: C: 0.1%-0.125%, Si: 0.4%-0.8%, Mn: 2.6%-2.9%, Al: 0.01%-0.05%, Nb: 0.01%-0.03%, and Ti: 0.01%-0.03%, the remainder being Fe and unavoidable impurities. By reasonable design of alloy elements and manufacturing processes, the dual-phase steel plate of the invention achieves a strength of 1180 MPa grade at a low cost, obtains a fine and uniform martensite-ferrite dual-phase structure that ensures excellent elongation rate and cold bending performance, and has good formability. The dual-phase steel plate has a yield strength of more than 850 MPa, a tensile strength of more than 1180 MPa, an elongation rate of 8% or more, and a parameter (R/t), characterizing the 90-degree cold bending performance, of 2.5 or less.Type: GrantFiled: June 26, 2018Date of Patent: May 24, 2022Assignee: BAOSHAN IRON & STEEL CO., LTD.Inventors: Peng Xue, Xiaodong Zhu, Wei Li
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Patent number: 11325982Abstract: The present invention relates to bispecific or multi-specific antibody molecules with two or more paratopes. At least one paratope is Fv or scFv, while the other paratope is in a mono-valent or bivalent Fab. These novel molecules also have an Fc moiety that allows extended half-life in vivo.Type: GrantFiled: April 9, 2018Date of Patent: May 10, 2022Assignees: XUANZHU BIOPHARMACEUTICAL CO., LTD., BEIJING XUANZHU COMBIO CO., LTD.Inventors: Shouhua Xiao, Xiaodong Zhu
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Patent number: 11229075Abstract: Certain aspects of the present disclosure generally relate to wireless communications. In some aspects, a wireless communications device may determine that the wireless communications device is hardware capable of supporting DSDA operation, where the wireless communications device is a DR-DSDS wireless communications device that is configured for at least one of UL CA or MIMO operation. In some aspects, the wireless communications device may operate as a DSDA wireless communications device based at least in part on determining that the wireless communications device is hardware capable of supporting DSDA operation. Numerous other aspects are provided.Type: GrantFiled: September 22, 2016Date of Patent: January 18, 2022Assignee: QUALCOMM IncorporatedInventors: Xiaodong Zhu, Fei Lu
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Publication number: 20220010394Abstract: Disclosed is a high-yield-ratio cold-rolled dual-phase steel, having the following chemical elements in percentage by mass: 0.05%-0.08% of C, 0.9%-1.2% of Mn, 0.1%-0.6% of Si, 0.030%4060% of Nb, 0.030%-0.060% of Ti, 0.015%-0.045% of Al, and the balance being Fe and other inevitable impurities. A manufacturing method for the high-yield-ratio cold-rolled dual-phase steel, comprising: (1) smelting and casting; (2) hot rolling, wherein a casting blank is controlled and soaked at a temperature of 1200° C.-1250° C.; rolled with the finish rolling temperature being 840° C.-930° C.; cooled at a speed of 20° C./s-70° C./s, and then wound at the winding temperature being 570° C.-630° C.; (3) cold rolling; (4) annealing at the soaking temperature being 750° C.-790° C. for 40 s-200 s, cooling at a speed of 30° C./s-80° C./s, the start temperature of cooling is 650° C. to 730° C., the aging temperature is 200° C. to 260° C., and the overaging time is 100 s to 400 s; and (5) leveling.Type: ApplicationFiled: November 22, 2019Publication date: January 13, 2022Applicant: BAOSHAN IRON & STEEL CO., LTD.Inventors: Wei LI, Xiaodong ZHU, Peng XUE
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Publication number: 20220010401Abstract: Disclosed is a 980 MPa grade cold-roll steel sheets with high hole expansion rate and higher percentage elongation, and manufacturing method thereof. The mass percents of chemical components in the steel sheet are: C: 0.08%-0.12%, Si: 0.1%-1.0%, Mn: 1.9%-2.6%, Al: 0.01%-0.05%, Cr: 0.1-0.55%, Mo: 0.1-0.5%, Ti: 0.01-0.1%, the rest being Fe and other inevitable impurities. The steel plate has a yield strength >600 MPa, a tensile strength >980 MPa, a percentage elongation >11%, a hole expansion rate ?45%, and a tensile strength up to 980 MPa grade; the microscopic structure is ferrite plus bainite plus martensite, with the volume fraction content of ferrite >10%, the volume fraction content of bainite >30%, and the volume fraction content of martensite >15%; the microscopic structure further comprises nanoscale precipitates in uniform dispersion distribution, the average size of precipitates being less than 20 nm.Type: ApplicationFiled: November 29, 2019Publication date: January 13, 2022Applicant: BAOSHAN IRON & STEEL CO., LTD.Inventors: Peng XUE, Xiaodong ZHU, Wei LI
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Publication number: 20210282206Abstract: Certain aspects of the present disclosure generally relate to wireless communications. In some aspects, a wireless communications device may determine that the wireless communications device is hardware capable of supporting DSDA operation, where the wireless communications device is a DR-DSDS wireless communications device that is configured for at least one of UL CA or MIMO operation. In some aspects, the wireless communications device may operate as a DSDA wireless communications device based at least in part on determining that the wireless communications device is hardware capable of supporting DSDA operation. Numerous other aspects are provided.Type: ApplicationFiled: September 22, 2016Publication date: September 9, 2021Inventors: Xiaodong ZHU, Fei LU
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Publication number: 20210254200Abstract: The present invention provides a method for manufacturing a cold-rolled or zinc-plated dual-phase steel plate over 980 MPa. After being subjected to hot rolling, coiling, bundling, and online heat preservation, a slab is directly sent to a cold rolling and continuous annealing process, or a cold rolling, continuous annealing, and zinc plating process, so as to obtain a cold-rolled or zinc-plated dual-phase steel plate, wherein the coiling temperature is controlled to be over 450° C. The online thermal preservation means that after uncoiling of each hot-rolled coil, an independent and airtight thermal preservation cover is closed, and the hot-rolled coil with the closed thermal preservation cover is transferred to coil rolling by means of a steel coil conveying chain or a traveling car; the thermal preservation temperature for the hot-rolled coil in the thermal preservation cover is over 450° C., and the thermal preservation duration is less than 20 hours.Type: ApplicationFiled: June 14, 2019Publication date: August 19, 2021Applicant: BAOSHAN IRON & STEEL CO., LTD.Inventors: Peng XUE, Li WANG, Xiaodong ZHU