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公开(公告)号：US20190193834A1
公开(公告)日：2019-06-27
申请号：US16288391
申请日：2019-02-28
Applicant: SZ DJI TECHNOLOGY CO., LTD.
Inventor： Tao DENG , Ruochen TANG , Yueyao TU
CPC classification number: B64C11/04 , B63H23/02 , B64C27/32 , B64C39/024 , B64D35/00
Abstract: An unmanned aerial vehicle includes a propulsion system including a driving device having a main body, a driving shaft rotatable relative to the main body, and a locking member disposed on the main body. The locking member includes at least one snap-fitting member. The propulsion system also includes a propeller coupled with the driving device, the propeller including a blade base and a blade mounted on the blade base. The at least one snap-fitting member is configured to snap-fit with the propeller. The propulsion system also includes an elastic abutting member sleeve coupled with the driving shaft, a first installation foolproof member disposed on the blade base, and a second installation foolproof member disposed on the locking member.
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公开(公告)号：US20210078698A1
公开(公告)日：2021-03-18
申请号：US17105915
申请日：2020-11-27
Applicant: SZ DJI TECHNOLOGY CO., LTD.
IPC: B64C27/46 , B64C27/473 , B64D27/02 , F01D5/02 , F01D5/30
Abstract: A propeller assembly includes a first and a second propellers. The first propeller includes a first propeller blade including a first propeller root, a first propeller tip opposite to the first propeller root, a first propeller pressure surface, and a first propeller suction surface opposite to the first propeller pressure surface. The second propeller includes a second propeller blade including a second propeller root, a second propeller tip opposite to the second propeller root, a second propeller pressure surface, and a second propeller suction surface opposite to the second propeller pressure surface. The first propeller tip is configured to extend obliquely along a span direction of the first propeller blade toward a side where the first propeller suction surface is located. The second propeller tip is configured to extend obliquely along a span direction of the second propeller blade toward a side where the second propeller pressure surface is located.
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公开(公告)号：US20210276691A1
公开(公告)日：2021-09-09
申请号：US17328770
申请日：2021-05-24
Applicant: SZ DJI TECHNOLOGY CO., LTD.
Abstract: A propulsion system assembly includes a propeller, a motor configured to drive the propeller to rotate, and a locking mechanism configured to detachably lock the propeller to the motor. The propeller includes one of a first body and a second body. The motor includes another one of the first body and the second body. The locking mechanism includes a coupling member including a femoral position groove, a fastener configured to fix the coupling member to the second body, and a locking member configured to lock the first body to the coupling member and the second body. A bottom portion of the first body that contacts the coupling member includes a protruding rib configured to fit with the femoral position groove to restrain the first body from rotating relative to the coupling member.
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Patent Agency Ranking
公开(公告)号：US20200148343A1
公开(公告)日：2020-05-14
申请号：US16743815
申请日：2020-01-15
Applicant: SZ DJI TECHNOLOGY CO., LTD.
Inventor： Feng LIU , Shufeng ZHANG , Tao DENG , Peng CHEN
IPC: B64C27/473 , B64C27/46 , B64C27/467 , B64C27/50 , F01D5/02 , F01D5/30
Abstract: A propeller includes a blade. The blade includes a blade root, a blade tip disposed away from the blade root, a blade front surface, and a blade back surface. The blade also includes a front edge connecting a first side of each of the blade front surface and the blade back surface. The blade also includes a rear edge connecting a second side of each of the blade front surface and the blade back surface. The blade further includes a first suppression member formed by a portion of the front edge adjacent to the blade tip bending toward a first direction. The first direction is a direction from the front edge to the rear edge. The first suppression member is configured to suppress a spanwise air flow.
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公开(公告)号：US20170240267A1
公开(公告)日：2017-08-24
申请号：US15589017
申请日：2017-05-08
Applicant: SZ DJI TECHNOLOGY CO., LTD.
CPC classification number: B64C11/04 , B63H1/20 , B64C11/02 , B64C39/024 , B64C2201/042 , B64C2201/108 , B64C2201/165 , B64D35/00 , F16D1/112
Abstract: A propulsion system comprises a propeller and a driving device coupled with the propeller. The propeller comprises a hub having a receiving hole, a plurality of blades connected to the hub, and a connecting surface. The driving device comprises a body portion, an elastic abutting member disposed on the body portion and configured to abut against the connecting surface, and a lock portion disposed on the body portion and including a first snap-fitting portion. A second snap-fitting portion is arranged on an inner wall of the receiving hole and is configured to snap with the first snap-fitting portion.
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公开(公告)号：US20210284321A1
公开(公告)日：2021-09-16
申请号：US17334669
申请日：2021-05-28
Applicant: SZ DJI TECHNOLOGY CO., LTD.
Inventor： Tao DENG , Ruochen TANG , Yueyao TU
Abstract: An unmanned aerial vehicle (UAV) includes a propeller, a driving device, and an elastic abutting member sleeve. The propeller includes a blade base, a blade mounted on the blade base, and a first installation foolproof member disposed on the blade base. The driving device includes a main body, a driving shaft rotatable relative to the main body, a locking member disposed on the main body, and a second installation foolproof member disposed on the locking member. The driving device is coupled with the propeller. The elastic abutting member is coupled with the driving shaft and disposed between the main body and the blade base and abuts against the main body and the blade base.
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公开(公告)号：US20200290727A1
公开(公告)日：2020-09-17
申请号：US16886019
申请日：2020-05-28
Applicant: SZ DJI TECHNOLOGY CO., LTD.
Abstract: A propulsion system includes a driving device and a propeller coupled with the driving device. The driving device includes a body portion and a lock portion disposed on the body portion. The lock portion includes a first snap-fitting portion. The propeller includes a hub having a receiving hole, a plurality of blades connected to the hub, and a second snap-fitting portion arranged on an inner wall of the receiving hole and configured to snap with the first snap-fitting portion.
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公开(公告)号：US20190248471A1
公开(公告)日：2019-08-15
申请号：US16395464
申请日：2019-04-26
Applicant: SZ DJI TECHNOLOGY CO., LTD.
CPC classification number: B64C11/02 , A63H27/12 , B64C27/08 , B64C39/024 , B64C2201/024 , B64C2201/027 , B64C2201/042 , B64C2201/108 , B64C2201/20
Abstract: A propulsion system assembly includes a propeller and a motor configured to drive the propeller to rotate. The propeller includes one of a first body and a second body. The motor comprises the other one of the first body and the second body. The propulsion system assembly also includes a locking mechanism configured to detachably connecting the first body and the second body. The locking mechanism includes a locking member and a position limiting lock catch. The locking member is configured to lock the first body and the second body. The locking member includes locking parts located at at least two sides of the locking member. When the locking parts of the locking member rotate to a locking position, the position limiting lock catch is mounted to a side of the locking parts, to restrain the locking member from rotating relative to the first body.
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