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1.发明公开公开(公告)号：US20230201055A1
公开(公告)日：2023-06-29
申请号：US17927077
申请日：2021-05-05
CPC分类号： A61G7/08 , B62B3/06 , B62B3/12 , B62B5/0043 , B62B5/0079 , B62B2202/30 , B62B2206/02 , B62B2301/0463
摘要： The present invention relates to a removable electric propulsion system (1) for a rolling object. Propulsion system (1) comprises a frame (2) with a driven wheel (3) and at least one non-driven wheel (4). Among these non-driven wheels (4), one at least is an orientable off-centered wheel. System (1) also comprises means for coupling at least one wheel of the rolling object. System (1) also comprises an automatic directional locking device for locking the rotation about a vertical axis of at least one of the orientable off-centered wheels in a predetermined direction.
The invention also relates to a coupled assembly comprising a propulsion system (1) and a rolling object.
The invention further relates to a method for directional and automatic locking of at least one orientable off-centered wheel of a propulsion system.-
2.发明公开公开(公告)号：US20230159075A1
公开(公告)日：2023-05-25
申请号：US17912100
申请日：2021-03-08
CPC分类号： B62B5/005 , B62B5/085 , B62B5/087 , B62B5/0043 , A61G7/08 , B62B2202/90
摘要： The invention relates to a removable electric propulsion system (1) for a rolling object, propulsion system (1) comprising a frame (2) provided with at least one wheel (3) driven by an electric machine (10), and at least one non-driven wheel (4), and means (5) for coupling propulsion system (1) to the rolling object. In addition, coupling means (5) comprise means for gripping and lifting at least one wheel of the rolling object. Besides, propulsion system (1) comprises a seating device with a seat (51) and a backrest (50), and this seating device is foldable between a deployed position allowing a user to sit and a folded position.
The invention also relates to a method for deploying/folding the seating device of electric propulsion system (1).-
3.发明公开公开(公告)号：US20230201056A1
公开(公告)日：2023-06-29
申请号：US17927098
申请日：2021-05-05
CPC分类号： A61G7/08 , B62B3/06 , B62B3/12 , B62B5/0043 , B62B5/0079 , B62B2202/30 , B62B2202/031 , B62B2203/07 , B62B2203/10
摘要： The present invention relates to a removable electric propulsion system intended to be coupled to a rolling object. The propulsion system comprises a chassis provided with at least one wheel driven by an electric machine, and at least one non-driven wheel. Furthermore, the system, preferably the chassis, comprises means (5) for coupling the propulsion system to the rolling object. Besides, the coupling means comprises at least one means (100) providing combined and simultaneous gripping and lifting of at least one wheel (14) of the rolling object, preferably of two wheels (14) of the rolling object.
The invention also relates to a method for coupling a rolling object to such a propulsion system, this method enabling, simultaneously and through a combined action, gripping and lifting of at least one wheel (14) of the rolling object.-
4.发明申请公开(公告)号：US20230117322A1
公开(公告)日：2023-04-20
申请号：US17913964
申请日：2021-03-12
摘要： The present invention relates to a removable electric propulsion system (1) intended to be coupled to a rolling object. Propulsion system (1) comprises a frame (2) provided with at least one wheel (3) driven by an electric machine, and at least one non-driven wheel (4), a handlebar (20) and means (5) for coupling the propulsion system to the rolling object, coupling means (5) comprising means for gripping and lifting at least one wheel of the rolling object. Handlebar (20) comprises a connection with frame (2) and/or driven wheel (3). Furthermore, the connection comprises a means (12) for locking/unlocking the handlebar relative to frame (2) and/or to a driven wheel (3) from a locking position where handlebar (20) is attached to frame (2) and/or to driven wheel (3), this locked position of handlebar (20) enabling electric propulsion system (1) to be moved by means of handlebar (20), to an unlocking position enabling at least free motion of handlebar (20) relative to frame (2) and/or driven wheel (3).
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5.发明公开公开(公告)号：US20240082088A1
公开(公告)日：2024-03-14
申请号：US17767568
申请日：2020-10-13
CPC分类号： A61G7/08 , A61G5/047 , A61G2203/38
摘要： The present invention relates to controlling a removable electric propulsion system for a rolling object. In this method, a signal representative of the torque at a wheel driven by an electric machine of the electric propulsion system is measured (MES). This measurement is compared (COMP), over different time increments, with two thresholds, and the electric machine is controlled according to this comparison. The invention also relates to a propulsion system suited for this method and to a coupled assembly comprising the propulsion system and a rolling object.
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公开(公告)号：US20220409461A1
公开(公告)日：2022-12-29
申请号：US17415413
申请日：2019-12-03
摘要： The present invention relates to an electric propulsion system (1) for a rolling object, comprising a frame (2) with at least one motorized wheel (3), and at least one non-motorized wheel (4), a handlebar (6) and coupling means (5). Coupling means (5) are intended for gripping, orientation and lifting of at least one wheel of the rolling load. The means of orienting the wheel of the rolling object orient the wheel perpendicular to the longitudinal direction (x) of the frame.
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