公开(公告)号：US20240343107A1

公开(公告)日：2024-10-17

申请号：US18580215

申请日：2022-07-05

Applicant: Dong-Hoon PARK ,  C-STONE TECHNOLOGIES CO., LTD.

Inventor： Dong-Hoon PARK ,  June Ki MIN

IPC: B60K7/00

CPC classification number: B60K7/0007 ,  B60K2007/0038 ,  B60K2007/0092

Abstract: Disclosed is a power transmission device. The power transmission device may include: a drive motor including a motor housing having a front surface, a rear cover coupled to a rear surface of the motor housing, a stator fixed in the motor housing and configured to generate a magnetic field, a rotor disposed inside the stator based on a diameter direction with a preset gap from the stator and configured to be rotated by the magnetic field generated by the stator, a motor shaft coupled to the rotor and configured to rotate together with the rotor, the motor shaft extending in a longitudinal direction and penetrating the front surface and the rear cover, and a driving gear provided at one end of the motor shaft penetrating the front surface and protruding to the outside of the motor housing; a drum configured to surround the drive motor and including a drum circular plate portion provided on one surface based on a wheel axis direction, and a cylindrical portion extending in the wheel axis direction from an outer diameter end of the drum circular plate portion; a drum cover coupled to the other surface of the drum based on the wheel axis direction and having an outer-diameter portion on which a driven gear engaging with the driving gear is provided; and a wheel hub on which a tire is mounted, the wheel hub being coupled to the drum and configured to rotate together with the drum.

公开(公告)号：US20240017606A1

公开(公告)日：2024-01-18

申请号：US18031707

申请日：2021-11-09

Applicant: Dong-Hoon PARK ,  C-STONE TECHNOLOGIES CO., LTD.

Inventor： Dong-Hoon PARK ,  June Ki MIN

IPC: B60K17/04 ,  B60K7/00

CPC classification number: B60K17/046 ,  B60K7/0007

Abstract: A power transmission device is disclosed.
The power transmission device may include a power portion including a power generating portion including a power source generating power, and a fixing portion extending from the power generating portion in an axial direction, a driving member operatively connected to the power source and including a driving gear, a driven member including a driven gear engaged with the driving gear, a rotating member coupled to the driven member and rotating with the driven member, and an output member having a rotating wheel mounted thereon, defining an axial width, coupled to the rotating member, and rotating with the rotating member, the power source may include a power source shaft, and the power source shaft may be disposed in a range of −25° to 25° with respect to a radial direction of a rotating wheel.

公开(公告)号：US10563707B2

公开(公告)日：2020-02-18

申请号：US15745710

申请日：2016-08-10

Applicant: C-STONE TECHNOLOGIES CO., LTD.

Inventor： Dong-Hoon Park

IPC: F16D25/0638 ,  F16D25/08 ,  B60K17/02 ,  F16D13/56 ,  F16D13/52 ,  F16D13/68

Abstract: A power transmission device including two or more pistons is disclosed The power transmission device includes: a housing arranged to form a mounting space by connecting a clutch housing, a clutch connecting portion, a clutch hub and a disk housing to each other; a power transmission hub selectively and operably connected to the housing; first friction disks splined to an interior circumference of the disk housing; second friction disks splined to an exterior circumference of the power transmission hub and disposed alternately with the first friction disks; a piston module including two or more pistons respectively having a corresponding piston chamber, and selectively and frictionally coupling the first friction disks with the second friction disks; and at least one return spring or at least one separating spring supplying a spring load counteracting against an axial force, wherein friction material is attached to any surface of first or second friction disks.

公开(公告)号：US20180202501A1

公开(公告)日：2018-07-19

申请号：US15745710

申请日：2016-08-10

Applicant: C-STONE TECHNOLOGIES CO., LTD.

Inventor： Dong-Hoon PARK

IPC: F16D25/08 ,  F16D13/52 ,  F16D13/68

Abstract: The present invention relates to a power transmission device including two or more pistons. The power transmission device may include: a housing arranged to form a mounting space by connecting a clutch housing, a clutch connecting portion, a clutch hub and a disk housing to each other; a power transmission hub selectively and operably connected to the housing; a plurality of first friction disks splined to an interior circumference of the disk housing; a plurality of second friction disks splined to an exterior circumference of the power transmission hub and disposed alternately with the first friction disks; a piston module including two or more pistons, each of which has a corresponding piston chamber, and selectively and frictionally coupling the first friction disks with the second friction disks by an operating hydraulic pressure supplied to the piston chambers; and at least one return spring or at least one separating spring supplying a spring load counteracting against an axial force generated by the operating hydraulic pressure, and disposed at an inside or an outside of the piston module, wherein friction material is attached to any one surface or both surfaces of each first friction disk or each second friction disk.

公开(公告)号：US20150247537A1

公开(公告)日：2015-09-03

申请号：US14450460

申请日：2014-08-04

Applicant: C-STONE TECHNOLOGIES CO., LTD.

Inventor： Dong-Hoon PARK

IPC: F16D25/12 ,  F16D25/0638

CPC classification number: F16D25/12 ,  F16D25/0638

Abstract: A method of determining a return spring force in a power transmission device including two or more pistons is disclosed. The power transmission device may include: a housing configured to form a mounting space; a clutch pack configured to include a plurality of separate plates splined to the housing, and a plurality of friction disks alternately disposed with the separate plates, the separate plates and the friction disks being selectively coupled to each other by friction; a power transmission hub configured to be splined to the friction disks; two or more pistons, each of which is configured to include a piston chamber, and operatively connecting the housing to the power transmission hub by selectively applying an axial force to the clutch pack by an operating hydraulic pressure supplied to the piston chamber; and at least one return spring configured to provide a return spring force against an axial force caused by the operating hydraulic pressure.

Abstract translation: 公开了一种确定包括两个或多个活塞的动力传递装置中的复位弹簧力的方法。 动力传递装置可以包括：构造成形成安装空间的壳体; 离合器组件，其被配置为包括花键连接到所述壳体的多个分离板，以及与所述分离板交替设置的多个摩擦盘，所述分离板和所述摩擦盘通过摩擦彼此选择性地联接; 动力传递轮毂，构造成花键连接到所述摩擦盘; 两个或多个活塞，每个活塞构造成包括活塞室，并且通过向供给到活塞室的操作液压选择性地向离合器组件施加轴向力，将壳体可操作地连接到动力传动轮毂; 以及至少一个复位弹簧，其构造成提供抵抗由所述操作液压引起的轴向力的复位弹簧力。

公开(公告)号：US10458484B2

公开(公告)日：2019-10-29

申请号：US15757739

申请日：2016-05-19

Applicant: C-STONE TECHNOLOGIES CO., LTD.

Inventor： Dong-Hoon Park

IPC: F16D21/06 ,  F16D25/0638 ,  F16D25/12 ,  F16D25/10

Abstract: The present invention relates to a dual clutch which can transmit rotational power of a first clutch housing to a second clutch housing through a first piston for operating the first clutch, thereby reducing the number of parts and reducing production cost.The dual clutch outputting rotational power of an input shaft to a first output shaft or a second output shaft, includes: a cylindrical transmission housing having a space therein; a first clutch disposed at a radial outer side within the transmission housing and adapted to selectively transmit the rotational power of the input shaft to the first output shaft; and a second clutch disposed radially inward of the first clutch within the transmission housing and adapted to selectively transmit the rotational power of the input shaft to the second output shaft, and the dual clutch further includes a first piston selectively actuating the first clutch, and the first piston is adapted to continuously transmit the rotational power of the input shaft transmitted to the first clutch to the second clutch.

公开(公告)号：US20190257421A1

公开(公告)日：2019-08-22

申请号：US16346954

申请日：2017-10-30

Applicant: C-STONE TECHNOLOGIES CO., LTD.

Inventor： Dong-Hoon PARK

IPC: F16H61/688 ,  F16D25/0638 ,  F16D25/08 ,  F16D25/12

Abstract: Disclosed is an actuator for a dual clutch. The actuator may be applied to a dual clutch including: a first clutch which is configured to selectively transmit rotational power of an input shaft to a first output shaft; a second clutch which is configured to selectively transmit the rotational power of the input shaft to a second output shaft; a first piston which operates the first clutch while being selectively and axially moved by axial force; and a second piston which operates the second clutch while being selectively and axially moved by the axial force. The actuator may be configured to transmit the axial force to the first piston or the second piston.The actuator may have a first operating piston and a second operating piston which are provided in an actuator housing. The first operating piston may transmit the axial force to the first piston, and the second operating piston may transmit the axial force to the second piston.

公开(公告)号：US09458896B2

公开(公告)日：2016-10-04

申请号：US14450460

申请日：2014-08-04

Applicant: C-STONE TECHNOLOGIES CO., LTD.

Inventor： Dong-Hoon Park

IPC: F16D25/12 ,  F16D25/0638

CPC classification number: F16D25/12 ,  F16D25/0638

Abstract: A method of determining a return spring load in a power transmission device including two or more pistons is disclosed. The power transmission device may include: a housing configured to form a mounting space; a clutch pack configured to include a plurality of separate plates splined to the housing, and a plurality of friction disks alternately disposed with the separate plates, the separate plates and the friction disks being selectively coupled to each other by friction; a power transmission plate configured to be splined to the friction disks; two or more pistons operatively connecting the housing to the power transmission plate by selectively applying an axial force to the clutch pack by an operating hydraulic pressure supplied to the piston chamber; and at least one return spring configured to provide a return spring load against an axial force caused by the operating hydraulic pressure.

Abstract translation: 公开了一种确定包括两个或多个活塞的动力传递装置中的复位弹簧载荷的方法。 动力传递装置可以包括：构造成形成安装空间的壳体; 离合器组件，其被配置为包括花键连接到所述壳体的多个分离板，以及与所述分离板交替设置的多个摩擦盘，所述分离板和所述摩擦盘通过摩擦彼此选择性地联接; 构造成花键连接到所述摩擦盘的动力传递板; 两个或更多个活塞通过选择性地向所述离合器组件施加轴向力，通过提供给所述活塞室的操作液压将所述壳体可操作地连接到所述动力传递板; 以及至少一个复位弹簧，其构造成提供抵抗由所述操作液压引起的轴向力的复位弹簧负载。

公开(公告)号：US20210277958A1

公开(公告)日：2021-09-09

申请号：US16332486

申请日：2017-11-14

Applicant: C-STONE TECHNOLOGIES CO., LTD

Inventor： Dong-Hoon PARK

IPC: F16D21/06 ,  B60K6/38 ,  B60K6/26 ,  F16D13/52 ,  F16D25/0638

Abstract: a A triple clutch according to an exemplary embodiment of the present invention includes: an input shaft which receives rotational power of an engine; a motor which includes a motor housing, a stator fixedly mounted on an outer circumferential surface of the motor housing, and a rotor rotatably disposed at a radially inner side of the stator; a clutch housing which is operatively connected to the rotor, receives rotational power of the motor while rotating together with the rotor, and has therein a clutch space; a first clutch which selectively transmits rotational power of the clutch housing to a first output shaft; a second clutch which selectively transmits the rotational power of the clutch housing to a second output shaft; and a third clutch which selectively transmits rotational power of the input shaft to the clutch housing, in which all of the first, second, and third clutches are disposed in the clutch space.

公开(公告)号：US20190048943A1

公开(公告)日：2019-02-14

申请号：US15757739

申请日：2016-05-19

Applicant: C-STONE TECHNOLOGIES CO., LTD.

Inventor： Dong-Hoon PARK

IPC: F16D21/06 ,  F16D25/0638 ,  F16D25/12 ,  F16D25/10

CPC classification number: F16D21/06 ,  F16D25/0638 ,  F16D25/10 ,  F16D25/12 ,  F16D2021/0607 ,  F16D2021/0661

Abstract: The present invention relates to a dual clutch which can transmit rotational power of a first clutch housing to a second clutch housing through a first piston for operating the first clutch, thereby reducing the number of parts and reducing production cost.The dual clutch outputting rotational power of an input shaft to a first output shaft or a second output shaft, includes: a cylindrical transmission housing having a space therein; a first clutch disposed at a radial outer side within the transmission housing and adapted to selectively transmit the rotational power of the input shaft to the first output shaft; and a second clutch disposed radially inward of the first clutch within the transmission housing and adapted to selectively transmit the rotational power of the input shaft to the second output shaft, and the dual clutch further includes a first piston selectively actuating the first clutch, and the first piston is adapted to continuously transmit the rotational power of the input shaft transmitted to the first clutch to the second clutch.