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公开(公告)号：US20240198791A1
公开(公告)日：2024-06-20
申请号：US18519319
申请日：2023-11-27
申请人： Dong-Hoon PARK
发明人： Dong-Hoon PARK
CPC分类号： B60K17/043 , B60K17/145
摘要： The power transmission device includes: a drive motor assembly including a motor housing, a first axial flow motor disposed in a front portion of the motor housing and rotating a first pinion gear in a first rotation direction, and a second axial flow motor disposed in a rear portion of the motor housing and operably coupled to a second pinion gear to rotate the second pinion gear in a second rotation direction opposite to the first rotation direction; a drum surrounding the drive motor assembly by including a drum disk portion disposed on one surface in a wheel axial direction and a cylindrical portion extending from an outer diameter end of the drum disk portion in the wheel axial direction; a drum cover coupled to the other surface of the drum in the wheel axial direction, and having a ring gear disposed on its outer diameter and meshed with the first and second pinion gears; and a wheel hub installed with a tire, and coupled to the drum to be rotated together with the drum, wherein the first and second pinion gears are rotated at the same speed.
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公开(公告)号：US20240343107A1
公开(公告)日：2024-10-17
申请号：US18580215
申请日：2022-07-05
发明人： Dong-Hoon PARK , June Ki MIN
IPC分类号： B60K7/00
CPC分类号： B60K7/0007 , B60K2007/0038 , B60K2007/0092
摘要： 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.
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公开(公告)号：US20240017606A1
公开(公告)日：2024-01-18
申请号：US18031707
申请日：2021-11-09
发明人： Dong-Hoon PARK , June Ki MIN
CPC分类号： B60K17/046 , B60K7/0007
摘要： 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：US20240198785A1
公开(公告)日：2024-06-20
申请号：US18507257
申请日：2023-11-13
申请人： Dong-Hoon PARK
发明人： Dong-Hoon PARK
CPC分类号： B60K7/0007 , B60K17/046 , B60K2007/0038
摘要： Disclosed is a power transmission device.
The power transmission device may include: a drive motor including a motor housing, a stator fixed into the motor housing and generating a magnetic field, a rotor disposed inside the stator in a radial direction while having a predetermined gap with the stator and rotated by the magnetic field generated by the stator, a motor shaft coupled to the rotor to be rotated together with the rotor and extending in a length direction, and a first pinion gear disposed at one end of the motor shaft that protrudes outward from the motor housing; a drum surrounding the drive motor by including a drum disk portion disposed on one surface in a wheel axis direction and a cylindrical portion extending from an outer diameter end of the drum disk portion in the wheel axis direction; a drum cover coupled to the other surface of the drum in the wheel axis direction, and having a ring gear disposed on its outer diameter and meshed with the first pinion gear; a wheel hub installed with a tire, and coupled to the drum to be rotated together with the drum; and a second pinion gear meshed with the ring gear.-
公开(公告)号：US20240183431A1
公开(公告)日：2024-06-06
申请号：US18519279
申请日：2023-11-27
申请人： Dong-Hoon PARK
发明人： Dong-Hoon PARK
CPC分类号： F16H3/727 , F16H3/76 , F16H2057/02017 , F16H2057/02043
摘要： Disclosed is a power transmission device.
The power transmission device includes: a drive motor assembly including a motor housing, a first motor disposed in a front portion of the motor housing and rotating a first pinion gear in a first rotation direction, and a second motor disposed in a rear portion of the motor housing and rotating a second pinion gear in a second rotation direction opposite to the first rotation direction; a drum surrounding the drive motor assembly by including a drum disk portion disposed on one surface in a wheel axis direction and a cylindrical portion extending from an outer diameter end of the drum disk portion in the wheel axis direction; a drum cover coupled to the other surface of the drum in the wheel axis direction, and having a ring gear disposed on its outer diameter and meshed with the first and second pinion gears; and a wheel hub installed with a tire, and coupled to the drum to be rotated together with the drum, wherein the first and second motors are disposed to be parallel to a horizontal line horizontal to the ground passing through a center of a wheel.
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