GEAR-HYDRAULIC-METAL BELT INTEGRATED MULTI-MODE HYDRO-MECHANICAL HYBRID TRANSMISSION DEVICE

    公开(公告)号:US20210372512A1

    公开(公告)日:2021-12-02

    申请号:US15734998

    申请日:2020-02-10

    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.

    MECHANICAL-ELECTRICAL-HYDRAULIC HYBRID TRANSMISSION DEVICE AND CONTROL METHOD THEREOF

    公开(公告)号:US20250155017A1

    公开(公告)日:2025-05-15

    申请号:US18277229

    申请日:2022-06-09

    Abstract: The present disclosure provides a mechanical-electrical-hydraulic composite transmission device and a control method thereof. The device includes an input shaft assembly, a power-split assembly, a hydraulic transmission assembly, an electrical variable transmission assembly, a mechanical transmission assembly, a power-convergence assembly, and an output shaft. Three types of transmission modes including single transmission modes, power-split composite transmission modes, and power-convergence composite transmission modes are implemented by controlling engagement and disengagement of clutches and a brake. The present disclosure has the following beneficial effects: Free switching between various transmission modes is realized, the requirements of engineering machinery for a transmission device with multiple modes in different working conditions are satisfied, the engine power utilization is improved, and the fuel economy is increased. The shift impact is effectively reduced and the speed ratio adjustment range is expanded. The hydraulic transmission enables quick startup and stable operation and implements speed variation and direction change easily and rapidly without causing impact. The electrical variable transmission has a continuously changing transmission ratio and causes extremely small impact on the mechanism during operation.

    HYDRO-MECHANICAL SERIES AND PARALLEL TRANSMISSION DEVICE AND CONTROL METHOD THEREOF

    公开(公告)号:US20250020206A1

    公开(公告)日:2025-01-16

    申请号:US18276264

    申请日:2022-02-23

    Abstract: A hydro-mechanical series and parallel transmission device and a control method thereof are provided. The device includes an input shaft assembly, a hydraulic transmission assembly, a planetary gear transmission assembly, an intermediate gear transmission assembly, and an output shaft assembly. Switching among a hydraulic transmission mode, a mechanical transmission mode, and a hydro-mechanical composite transmission mode is implemented through combination and engagement/disengagement of clutches and brakes. The hydro-mechanical series transmission is used to expand the speed regulation range of the hydraulic transmission and is combined with the hydraulic transmission to meet the requirements on precision and the speed regulation range. The requirements of low-power and high-power operations are met through combination of the hydro-mechanical series and parallel transmissions. Multiple transmission modes are formed to adapt to the working conditions of startup, operation, and transfer.

    CONTINUOUSLY VARIABLE TRANSMISSION WITH BOTH EQUAL-DIFFERENCE OUTPUT AND EQUAL-RATIO OUTPUT

    公开(公告)号:US20240117869A1

    公开(公告)日:2024-04-11

    申请号:US18013264

    申请日:2022-01-10

    CPC classification number: F16H47/04 F16H2037/028

    Abstract: 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. A continuously changing transmission ratio between the input mechanism and the equal-difference output mechanism/the equal-ratio output mechanism is provided by adjusting a displacement ratio of the hydraulic transmission mechanism and selectively controlling engagement of the clutch assembly and the brake.

    POWER SPLIT AND POWER CONVERGENCE COMBINED HYDRO-MECHANICAL HYBRID TRANSMISSION DEVICE

    公开(公告)号:US20220373072A1

    公开(公告)日:2022-11-24

    申请号:US17623932

    申请日:2020-08-04

    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.

    HYBRID TRANSMISSION DEVICE WITH MECHANICAL CONTINUOUSLY VARIABLE TRANSMISSION AND CONTROL METHOD THEREOF

    公开(公告)号:US20240288055A1

    公开(公告)日:2024-08-29

    申请号:US18023742

    申请日:2022-02-23

    CPC classification number: F16H47/04 F16H61/66 F16H2200/2007 F16H2200/2048

    Abstract: A hybrid transmission device with a mechanical continuously variable transmission and a control method thereof are provided. The device includes an input shaft assembly, a front planetary gear transmission assembly, a rear planetary gear transmission assembly, an output shaft, and a mechanical continuously variable transmission. Single transmission modes and hybrid transmission modes are implemented through combination and engagement/disengagement of brakes and clutches. The device and the method realize free switching among various transmission modes and integrates the single transmission modes and the hybrid transmission modes, thereby increasing the degree of freedom in adjustment and expanding the speed regulation range. Input and output shafts of a front cup wheel and ring disc transmission mechanism and a rear cup wheel and ring disc transmission mechanism are coaxial, so that the structure is compact and intermediate rollers can stably and reliably transmit large torque.

    GEAR-HYDRAULIC-RHOMBIC PYRAMID INTEGRATED MULTI-MODE HYBRID TRANSMISSION DEVICE

    公开(公告)号:US20240200643A1

    公开(公告)日:2024-06-20

    申请号:US17784675

    申请日:2021-06-25

    CPC classification number: F16H47/08 F16H63/3023

    Abstract: A gear-hydraulic-rhombic pyramid integrated multi-mode hybrid transmission device includes an input assembly, a hydraulic transmission mechanism, a front planetary gear mechanism, a rhombic pyramid-type continuously variable transmission mechanism, a rear planetary gear mechanism, an output assembly, a clutch assembly, and a brake assembly. The clutch assembly connects an output end of the input assembly to an input end of the hydraulic transmission mechanism and an input end of the front planetary gear mechanism. The clutch assembly connects an output end of the hydraulic transmission mechanism to the front planetary gear mechanism and the rear planetary gear mechanism. The clutch assembly connects the front planetary gear mechanism, the rhombic pyramid-type continuously variable transmission mechanism, the rear planetary gear mechanism, and the output assembly in sequence. The clutch assembly and the brake assembly provide a continuous transmission ratio between the input assembly and the output assembly.

    MULTI-MODE HYDRO-MECHANICAL HYBRID TRANSMISSION DEVICE

    公开(公告)号:US20230287969A1

    公开(公告)日:2023-09-14

    申请号:US18025653

    申请日:2022-02-24

    CPC classification number: F16H47/04 F16H61/70

    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.

    POWER-SPLIT HYDRO-MECHANICAL HYBRID TRANSMISSION SYSTEM WITH AUTOMATIC ADJUSTMENT FUNCTION

    公开(公告)号:US20220145972A1

    公开(公告)日:2022-05-12

    申请号:US17430733

    申请日:2020-08-04

    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.

    HYBRID MULTI-MODE SWITCHING CONTINUOUSLY VARIABLE TRANSMISSION SYSTEM

    公开(公告)号:US20210331575A1

    公开(公告)日:2021-10-28

    申请号:US16627690

    申请日:2019-01-24

    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.

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