Patents by Inventor Changgao XIA

Changgao XIA 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).

  • Patent number: 11773954
    Abstract: A multi-mode hydro-mechanical hybrid transmission device includes an input member, a hydraulic transmission mechanism, a mechanical transmission mechanism, a convergence mechanism, an output member, a clutch assembly, and a brake assembly. The clutch assembly connects an output end of the input member to an input end of the hydraulic transmission mechanism, the mechanical transmission mechanism, and the convergence mechanism. The clutch assembly connects an output end of the hydraulic transmission mechanism to the convergence mechanism. The clutch assembly connects the mechanical transmission mechanism to the convergence mechanism. The convergence mechanism is connected to the output member. Continuously changing transmission ratios are provided between the input member and the output member by adjusting a displacement ratio of the hydraulic transmission mechanism and selectively controlling engagement of the clutch assembly and the brake assembly.
    Type: Grant
    Filed: February 24, 2022
    Date of Patent: October 3, 2023
    Assignee: JIANGSU UNIVERSITY
    Inventors: Zhen Zhu, Jie Sheng, Yingfeng Cai, Long Chen, Xiaodong Sun, Xiang Tian, Changgao Xia, Yihan Zhang, Rui Hou
  • Publication number: 20230287969
    Abstract: A multi-mode hydro-mechanical hybrid transmission device includes an input member, a hydraulic transmission mechanism, a mechanical transmission mechanism, a convergence mechanism, an output member, a clutch assembly, and a brake assembly. The clutch assembly connects an output end of the input member to an input end of the hydraulic transmission mechanism, the mechanical transmission mechanism, and the convergence mechanism. The clutch assembly connects an output end of the hydraulic transmission mechanism to the convergence mechanism. The clutch assembly connects the mechanical transmission mechanism to the convergence mechanism. The convergence mechanism is connected to the output member. Continuously changing transmission ratios are provided between the input member and the output member by adjusting a displacement ratio of the hydraulic transmission mechanism and selectively controlling engagement of the clutch assembly and the brake assembly.
    Type: Application
    Filed: February 24, 2022
    Publication date: September 14, 2023
    Applicant: JIANGSU UNIVERSITY
    Inventors: Zhen ZHU, Jie SHENG, Yingfeng CAI, Long CHEN, Xiaodong SUN, Xiang TIAN, Changgao XIA, Yihan ZHANG, Rui HOU
  • Patent number: 11614151
    Abstract: A power split and power convergence combined hydro-mechanical hybrid transmission device includes an input member, a power split mechanism, a mechanical transmission mechanism, a power convergence mechanism, an output member, a hydraulic transmission mechanism, a clutch assembly, and a brake assembly. The input member is connected to the power split mechanism, the power convergence mechanism is connected to the output member, and the clutch assembly connects an output end of the power split mechanism to an input end of the mechanical transmission mechanism and an input end of the hydraulic transmission mechanism and connects an input end of the power convergence mechanism to an output end of the mechanical transmission mechanism and an output end of the hydraulic transmission mechanism. The clutch assembly and the brake assembly provide a continuous transmission ratio between the input member and the output member.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: March 28, 2023
    Assignee: JIANGSU UNIVERSITY
    Inventors: Zhen Zhu, Yingfeng Cai, Long Chen, Xiang Tian, Juncheng Wang, Changgao Xia, Jiangyi Han, Feng Wang, Xing Xu, Dehua Shi
  • Patent number: 11543009
    Abstract: A continuously variable transmission system for hybrid power multi-mode switching, includes an input component, an output component, a clutch assembly, a brake, a hydraulic transmission assembly and a planetary gear assembly, wherein the input component is connected with the hydraulic transmission assembly, the output component is connected with the planetary gear assembly, the clutch assembly connects the input component and the hydraulic transmission assembly to the planetary gear assembly respectively, and the brake and the clutch assembly provide a transmission ratio for continuous forwarding or backwarding continuously between the input component and the output component. The hydro-mechanical transmission is switched to mechanical transmission by increasing the displacement ratio of the hydraulic transmission assembly linearly or non-linearly.
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: January 3, 2023
    Inventors: Zhen Zhu, Yingfeng Cai, Long Chen, Changgao Xia, Jiangyi Han, Dehua Shi, Feng Wang, Chaochun Yuan, Chaofeng Pan, Xing Xu
  • Publication number: 20220373072
    Abstract: A power split and power convergence combined hydro-mechanical hybrid transmission device includes an input member, a power split mechanism, a mechanical transmission mechanism, a power convergence mechanism, an output member, a hydraulic transmission mechanism, a clutch assembly, and a brake assembly. The input member is connected to the power split mechanism, the power convergence mechanism is connected to the output member, and the clutch assembly connects an output end of the power split mechanism to an input end of the mechanical transmission mechanism and an input end of the hydraulic transmission mechanism and connects an input end of the power convergence mechanism to an output end of the mechanical transmission mechanism and an output end of the hydraulic transmission mechanism. The clutch assembly and the brake assembly provide a continuous transmission ratio between the input member and the output member.
    Type: Application
    Filed: August 4, 2020
    Publication date: November 24, 2022
    Applicant: JIANGSU UNIVERSITY
    Inventors: Zhen ZHU, Yingfeng CAI, Long CHEN, Xiang TIAN, Juncheng WANG, Changgao XIA, Jiangyi HAN, Feng WANG, Xing XU, Dehua SHI
  • Patent number: 11499616
    Abstract: A hydro-mechanical hybrid transmission device with an energy management mechanism includes an input member, a mechanical transmission mechanism, an energy management mechanism, a power output mechanism, an output member, a convergence mechanism, a start mechanism, a hydraulic transmission mechanism, a clutch assembly, and a brake assembly. The clutch assembly connects the input member to the mechanical transmission mechanism, the power output mechanism, and the hydraulic transmission mechanism, and connects the energy management mechanism to the mechanical transmission mechanism and the power output mechanism. The clutch assembly and the brake assembly provide a continuous transmission ratio between the input member and the output member and/or the power output mechanism, between the energy management mechanism and the output member and/or the power output mechanism, and between the energy management mechanism together with the input member and the output member and/or the power output mechanism.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: November 15, 2022
    Assignee: JIANGSU UNIVERSITY
    Inventors: Yingfeng Cai, Zhen Zhu, Long Chen, Changgao Xia, Juncheng Wang, Xiang Tian, Jiangyi Han, Jianguo Zhu, LongHui Lai, Xing Xu
  • Patent number: 11408496
    Abstract: A gear-hydraulic-metal belt integrated multi-mode hydro-mechanical hybrid transmission device includes an input assembly, an output assembly, a metal belt transmission mechanism, a planetary gear assembly, a hydraulic transmission mechanism, a clutch assembly and a brake assembly. The input assembly is connected to the metal belt transmission mechanism, the planetary gear assembly and the hydraulic transmission mechanism. The metal belt transmission mechanism and the hydraulic transmission mechanism are connected to the planetary gear assembly. The planetary gear assembly is connected to the output assembly. The clutch assembly connects the input assembly to the metal belt transmission mechanism and the planetary gear assembly, and connects each of the metal belt transmission mechanism and the hydraulic transmission mechanism to the planetary gear assembly. The clutch assembly and the brake assembly provide a continuous transmission ratio between the input assembly and the output assembly.
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: August 9, 2022
    Assignee: Jiangsu University
    Inventors: Zhen Zhu, Yingfeng Cai, Long Chen, Xiang Tian, Changgao Xia, Falin Zeng, Chaochun Yuan, Jiajia Wang, Xiaodong Sun, Dehua Shi
  • Publication number: 20220213951
    Abstract: A hydro-mechanical hybrid transmission device with an energy management mechanism includes an input member, a mechanical transmission mechanism, an energy management mechanism, a power output mechanism, an output member, a convergence mechanism, a start mechanism, a hydraulic transmission mechanism, a clutch assembly, and a brake assembly. The clutch assembly connects the input member to the mechanical transmission mechanism, the power output mechanism, and the hydraulic transmission mechanism, and connects the energy management mechanism to the mechanical transmission mechanism and the power output mechanism. The clutch assembly and the brake assembly provide a continuous transmission ratio between the input member and the output member and/or the power output mechanism, between the energy management mechanism and the output member and/or the power output mechanism, and between the energy management mechanism together with the input member and the output member and/or the power output mechanism.
    Type: Application
    Filed: August 4, 2020
    Publication date: July 7, 2022
    Applicant: JIANGSU UNIVERSITY
    Inventors: Yingfeng CAI, Zhen ZHU, Long CHEN, Changgao XIA, Juncheng WANG, Xiang TIAN, Jiangyi HAN, Jianguo ZHU, LongHui LAI, Xing XU
  • Patent number: 11359707
    Abstract: A hydro-mechanical transmission device with a dual-clutch transmission includes an input mechanism, a pump-controlled motor mechanism, an odd-numbered gear transmission mechanism, an even-numbered gear transmission mechanism, an output mechanism, and a jackshaft. The input mechanism is connected to the odd-numbered gear transmission mechanism and the even-numbered gear transmission mechanism that are connected in parallel, and is connected to an input end of the pump-controlled motor mechanism. An output end of the pump-controlled motor mechanism is connected, through the jackshaft, to the odd-numbered gear transmission mechanism and the even-numbered gear transmission mechanism that are connected in parallel, and is connected to the output mechanism. Switching among hydraulic transmission, hydro-mechanical transmission, and mechanical transmission modes between the input mechanism and the output mechanism is implemented by controlling combination and engagement/disengagement of clutches and a brake.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: June 14, 2022
    Assignee: JIANGSU UNIVERSITY
    Inventors: Zhen Zhu, Yingfeng Cai, Long Chen, Changgao Xia, Xiang Tian, Jiajia Wang, Falin Zeng, Xiaodong Sun, Dehua Shi, Xing Xu
  • Publication number: 20220145972
    Abstract: A power-split hydro-mechanical hybrid transmission system with an automatic adjustment function includes an input member, a hydraulic transmission mechanism, a split mechanism, a convergence mechanism, an output member, a clutch assembly, and a brake assembly. The clutch assembly connects the input member to an input end of the split mechanism, connects an output end of the split mechanism to an input end of the hydraulic transmission mechanism and an input end of the convergence mechanism, and connects an output end of the hydraulic transmission mechanism to the output member. An output end of the convergence mechanism is connected to the output member. The clutch assembly and the brake assembly provide a continuous transmission ratio between the input member and the output member. The power-split hydro-mechanical hybrid transmission system enables multi-mode continuously variable transmission and has energy reuse and emergency support functions.
    Type: Application
    Filed: August 4, 2020
    Publication date: May 12, 2022
    Applicant: JIANGSU UNIVERSITY
    Inventors: Zhen ZHU, Yingfeng CAI, Long CHEN, Juncheng WANG, Changgao XIA, Jiangyi HAN, Xing XU, Dehua SHI, Lei DOU, Jiajia WANG
  • Patent number: 11313447
    Abstract: A power-split hydro-mechanical hybrid transmission system with an automatic adjustment function includes an input member, a hydraulic transmission mechanism, a split mechanism, a convergence mechanism, an output member, a clutch assembly, and a brake assembly. The clutch assembly connects the input member to an input end of the split mechanism, connects an output end of the split mechanism to an input end of the hydraulic transmission mechanism and an input end of the convergence mechanism, and connects an output end of the hydraulic transmission mechanism to the output member. An output end of the convergence mechanism is connected to the output member. The clutch assembly and the brake assembly provide a continuous transmission ratio between the input member and the output member. The power-split hydro-mechanical hybrid transmission system enables multi-mode continuously variable transmission and has energy reuse and emergency support functions.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: April 26, 2022
    Assignee: JIANGSU UNIVERSITY
    Inventors: Zhen Zhu, Yingfeng Cai, Long Chen, Juncheng Wang, Changgao Xia, Jiangyi Han, Xing Xu, Dehua Shi, Lei Dou, Jiajia Wang
  • Patent number: 11300187
    Abstract: A hydro-mechanical hybrid transmission device with two hydraulic transmission mechanisms includes an input member, a second hydraulic transmission mechanism, a rear planetary gear mechanism, an output member, a first hydraulic transmission mechanism, a front planetary gear mechanism, a clutch assembly, and a brake assembly. The clutch assembly connects the input member to the front planetary gear mechanism, the second hydraulic transmission mechanism, and the first hydraulic transmission mechanism, connects an output end of the first hydraulic transmission mechanism to the front planetary gear mechanism, connects the rear planetary gear mechanism to an output end of the second hydraulic transmission mechanism and the front planetary gear mechanism, and connects the rear planetary gear mechanism to the output member. The clutch assembly and the brake assembly provide a continuous transmission ratio between the input member and the output member.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: April 12, 2022
    Assignee: JIANGSU UNIVERSITY
    Inventors: Zhen Zhu, Long Chen, Yingfeng Cai, Changgao Xia, Rong Zou, Lingxin Zeng, Yulin Deng, Shaohua Wang, Xing Xu, Dehua Shi
  • Patent number: 11300188
    Abstract: A gear-double ring-hydraulic hybrid transmission device includes an input mechanism, a double ring series transmission mechanism, a hydraulic transmission mechanism, an output member, a front planetary gear mechanism, a middle planetary gear mechanism, a rear planetary gear mechanism, a clutch assembly, and a brake assembly. An output of the double ring series transmission mechanism is connected to the middle planetary gear mechanism. The clutch assembly connects the input mechanism to the double ring series transmission mechanism, the hydraulic transmission mechanism, and the front planetary gear mechanism, connects an output of the hydraulic transmission mechanism to the middle planetary gear mechanism, and connects an output of the rear planetary gear mechanism to the output member. The clutch assembly and the brake assembly provide a continuous transmission ratio between the input mechanism and the output member.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: April 12, 2022
    Assignee: JIANGSU UNIVERSITY
    Inventors: Zhen Zhu, Xiang Tian, Yingfeng Cai, Long Chen, Changgao Xia, Juncheng Wang, Jiangyi Han, Jianguo Zhu, Rong Zou, Lingxin Zeng
  • Publication number: 20220042586
    Abstract: A hydro-mechanical hybrid transmission device with two hydraulic transmission mechanisms includes an input member, a second hydraulic transmission mechanism, a rear planetary gear mechanism, an output member, a first hydraulic transmission mechanism, a front planetary gear mechanism, a clutch assembly, and a brake assembly. The clutch assembly connects the input member to the front planetary gear mechanism, the second hydraulic transmission mechanism, and the first hydraulic transmission mechanism, connects an output end of the first hydraulic transmission mechanism to the front planetary gear mechanism, connects the rear planetary gear mechanism to an output end of the second hydraulic transmission mechanism and the front planetary gear mechanism, and connects the rear planetary gear mechanism to the output member. The clutch assembly and the brake assembly provide a continuous transmission ratio between the input member and the output member.
    Type: Application
    Filed: August 14, 2020
    Publication date: February 10, 2022
    Applicant: JIANGSU UNIVERSITY
    Inventors: Zhen ZHU, Long CHEN, Yingfeng CAI, Changgao XIA, Rong ZOU, Lingxin ZENG, Yulin DENG, Shaohua WANG, Xing XU, Dehua SHI
  • Publication number: 20220042587
    Abstract: A gear-double ring-hydraulic hybrid transmission device includes an input mechanism, a double ring series transmission mechanism, a hydraulic transmission mechanism, an output member, a front planetary gear mechanism, a middle planetary gear mechanism, a rear planetary gear mechanism, a clutch assembly, and a brake assembly. An output of the double ring series transmission mechanism is connected to the middle planetary gear mechanism. The clutch assembly connects the input mechanism to the double ring series transmission mechanism, the hydraulic transmission mechanism, and the front planetary gear mechanism, connects an output of the hydraulic transmission mechanism to the middle planetary gear mechanism, and connects an output of the rear planetary gear mechanism to the output member. The clutch assembly and the brake assembly provide a continuous transmission ratio between the input mechanism and the output member.
    Type: Application
    Filed: August 14, 2020
    Publication date: February 10, 2022
    Applicant: JIANGSU UNIVERSITY
    Inventors: Zhen ZHU, Xiang TIAN, Yingfeng CAI, Long CHEN, Changgao XIA, Juncheng WANG, Jiangyi HAN, Jianguo ZHU, Rong ZOU, Lingxin ZENG
  • Publication number: 20210372512
    Abstract: A gear-hydraulic-metal belt integrated multi-mode hydro-mechanical hybrid transmission device includes an input assembly, an output assembly, a metal belt transmission mechanism, a planetary gear assembly, a hydraulic transmission mechanism, a clutch assembly and a brake assembly. The input assembly is connected to the metal belt transmission mechanism, the planetary gear assembly and the hydraulic transmission mechanism. The metal belt transmission mechanism and the hydraulic transmission mechanism are connected to the planetary gear assembly. The planetary gear assembly is connected to the output assembly. The clutch assembly connects the input assembly to the metal belt transmission mechanism and the planetary gear assembly, and connects each of the metal belt transmission mechanism and the hydraulic transmission mechanism to the planetary gear assembly. The clutch assembly and the brake assembly provide a continuous transmission ratio between the input assembly and the output assembly.
    Type: Application
    Filed: February 10, 2020
    Publication date: December 2, 2021
    Applicant: Jiangsu University
    Inventors: Zhen ZHU, Yingfeng CAI, Long CHEN, Xiang TIAN, Changgao XIA, Falin ZENG, Chaochun YUAN, Jiajia WANG, Xiaodong SUN, Dehua SHI
  • Publication number: 20210356024
    Abstract: A hydro-mechanical transmission device with a dual-clutch transmission includes an input mechanism, a pump-controlled motor mechanism, an odd-numbered gear transmission mechanism, an even-numbered gear transmission mechanism, an output mechanism, and a jackshaft. The input mechanism is connected to the odd-numbered gear transmission mechanism and the even-numbered gear transmission mechanism that are connected in parallel, and is connected to an input end of the pump-controlled motor mechanism. An output end of the pump-controlled motor mechanism is connected, through the jackshaft, to the odd-numbered gear transmission mechanism and the even-numbered gear transmission mechanism that are connected in parallel, and is connected to the output mechanism. Switching among hydraulic transmission, hydro-mechanical transmission, and mechanical transmission modes between the input mechanism and the output mechanism is implemented by controlling combination and engagement/disengagement of clutches and a brake.
    Type: Application
    Filed: February 26, 2020
    Publication date: November 18, 2021
    Applicant: JIANGSU UNIVERSITY
    Inventors: Zhen ZHU, Yingfeng CAI, Long CHEN, Changgao XIA, Xiang TIAN, Jiajia WANG, Falin ZENG, Xiaodong SUN, Dehua SHI, Xing XU
  • Publication number: 20210331575
    Abstract: A continuously variable transmission system for hybrid power multi-mode switching, includes an input component, an output component, a clutch assembly, a brake, a hydraulic transmission assembly and a planetary gear assembly, wherein the input component is connected with the hydraulic transmission assembly, the output component is connected with the planetary gear assembly, the clutch assembly connects the input component and the hydraulic transmission assembly to the planetary gear assembly respectively, and the brake and the clutch assembly provide a transmission ratio for continuous forwarding or backwarding continuously between the input component and the output component. The hydro-mechanical transmission is switched to mechanical transmission by increasing the displacement ratio of the hydraulic transmission assembly linearly or non-linearly.
    Type: Application
    Filed: January 24, 2019
    Publication date: October 28, 2021
    Inventors: Zhen ZHU, Yingfeng CAI, Long CHEN, Changgao XIA, Jiangyi HAN, Dehua SHI, Feng WANG, Chaochun YUAN, Chaofeng PAN, Xing XU
  • Patent number: 11155154
    Abstract: A multi-pump driven single-motor hydro-mechanical hybrid transmission device includes an input shaft, a planetary gear split mechanism, a hydraulic transmission system, a planetary gear convergence mechanism, and an output shaft. The input shaft is connected to the hydraulic transmission system and the planetary gear convergence mechanism through the planetary gear split mechanism. The hydraulic transmission system and the planetary gear convergence mechanism are both connected to the output shaft. The hydraulic transmission system includes a multi-pump driving mechanism, a fixed displacement motor mechanism, and a hydraulic transmission output mechanism. The multi-pump driving mechanism is connected to the fixed displacement motor mechanism. The fixed displacement motor mechanism is connected to the planetary gear convergence mechanism and is connected to the output shaft through the hydraulic transmission output mechanism.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: October 26, 2021
    Assignee: JIANGSU UNIVERSITY
    Inventors: Long Chen, Zhen Zhu, Yingfeng Cai, Xiang Tian, Changgao Xia, Falin Zeng, Jiajia Wang, Dehua Shi, Chaochun Yuan, Xiaodong Sun
  • Publication number: 20210323394
    Abstract: A multi-pump driven single-motor hydro-mechanical hybrid transmission device includes an input shaft, a planetary gear split mechanism, a hydraulic transmission system, a planetary gear convergence mechanism, and an output shaft. The input shaft is connected to the hydraulic transmission system and the planetary gear convergence mechanism through the planetary gear split mechanism. The hydraulic transmission system and the planetary gear convergence mechanism are both connected to the output shaft. The hydraulic transmission system includes a multi-pump driving mechanism, a fixed displacement motor mechanism, and a hydraulic transmission output mechanism. The multi-pump driving mechanism is connected to the fixed displacement motor mechanism. The fixed displacement motor mechanism is connected to the planetary gear convergence mechanism and is connected to the output shaft through the hydraulic transmission output mechanism.
    Type: Application
    Filed: February 26, 2020
    Publication date: October 21, 2021
    Applicant: JIANGSU UNIVERSITY
    Inventors: Long CHEN, Zhen ZHU, Yingfeng CAI, Xiang TIAN, Changgao XIA, Falin ZENG, Jiajia WANG, Dehua SHI, Chaochun YUAN, Xiaodong SUN