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公开(公告)号：US20230304494A1
公开(公告)日：2023-09-28
申请号：US18022109
申请日：2021-08-17
IPC分类号： F04C2/10
CPC分类号： F04C2/10 , F04C2240/40
摘要： Disclosed is a pump assembly (1) at least comprising a pump (2) having a discharge side (3) and a suction side (4), and a drive unit (5) for the pump (2), the pump (2) and the drive unit (5) being arranged in a common housing (6), the drive unit (5) being an axial-flow electric drive comprising a stator (7), which is rotationally fixedly connected to the housing (6), and a rotor (8), which is rotatably arranged relative to the housing (6), a first end face (9) of the rotor (8) being oriented towards the stator (7) along an axial direction (10), the rotor (8) forming an outer pumping means (11) of the pump (2) and having a first pumping profile (13) on an inner circumferential surface (12); in a radial direction (14), an inner pumping means (15) of the pump (2) is arranged inside the rotor (8), said inner pumping means (15) having a second pumping profile (17) on an outer circumferential surface (16), said second pumping profile (17) interacting with the first pumping profile (13) to pump a fluid (18).
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公开(公告)号：US20210017980A1
公开(公告)日：2021-01-21
申请号：US16978580
申请日：2019-03-06
发明人： Maurice Andree , Hong Giang To , Nils Bornemann
摘要： The invention relates to a method for operating an electric motor (I), the electric motor (I) comprising at least one first stator (2) with at least three coils (3, 4, 5) and a rotor (6) with at least two magnets (7, 8), the first stator (2) and the rotor (6) being adjacently arranged in an axial direction (9), and the coils (3, 4, 5) being adjacently arranged in a peripheral direction (IO). The electric motor (I) is operated at least in the following two states: a) in a first state, the coils (3, 4, 5) are operated by respectively different phases of a three-phase current, and the rotor (6) is rotated about an axis of rotation (11); and b) in a second state, the coils (3, 4, 5) are operated by an equal-phase alternating current.
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公开(公告)号：US11863016B2
公开(公告)日：2024-01-02
申请号：US17423675
申请日：2020-01-17
发明人： Hong Giang To , Stefan Tiller , Maurice Andree
CPC分类号： H02K1/145 , H02K21/20 , H02K2201/12
摘要： An electric motor having a rotor with an axis of rotation and an annular stator surrounding the rotor, the stator extending along an axial direction parallel to the axis of rotation and having a first end face and a second end face pointing in opposite axial directions. The stator has exactly two stator teeth extending from an annular circumferential surface that runs between the end faces of the stator, in a radially inward direction to the rotor and facing one another in relation to the axis of rotation, a first stator slot and a second stator slot, which faces the first slot in relation to the axis of rotation, extending along the circumferential surface, between the stator teeth.
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公开(公告)号：US20230223828A1
公开(公告)日：2023-07-13
申请号：US18009438
申请日：2021-06-09
发明人： Maurice Andree , Stefan Tiller , Hong Giang To
摘要： The invention relates to an electric motor (1), comprising at least a stator (2), which extends between a first end face (3) and a second end face (4) along an axial direction (5) and has an annular yoke (6) on the first end face (3) and starting from the yoke (6) a plurality of cores (7), which each extend along the axial direction (5) over a first length (8) to the second end face (4) and are arranged adjacent to one another along a circumferential direction (9), wherein a coil (10) is arranged on each core (7), which coil extends starting from the yoke (6) along the axial direction (5) over a second length (11) toward the second end face (4), wherein the second length (11) is shorter than the first length (8), so that a portion (12) of each core (7) extends along the axial direction (5) beyond the coil (10) concerned; wherein the motor (1) additionally comprises at least one first rotor (13) which is arranged, at least on the second end face (4) along the axial direction (5) between the coils (10) and the second end face (4).
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公开(公告)号：US20220094214A1
公开(公告)日：2022-03-24
申请号：US17423675
申请日：2020-01-17
发明人： Hong Giang To , Stefan Tiller , Maurice Andree
摘要： An electric motor (1), at least having: a rotor (2) with an axis of rotation (3) and an annular stator (4) surrounding the rotor (2), the stator extending along an axial direction (5) parallel to the axis of rotation (3) and having a first end face (6) and a second end face (7) pointing in opposite axial directions (5); wherein the stator (4) has exactly two stator teeth (8, 9) extending from an annular circumferential surface (10) that runs between the end faces (6, 7) of the stator (4), in a radially inward direction (11) to the rotor (2) and facing one another in relation to the axis of rotation (3), a first stator slot (12) and a second stator slot (13), which faces the first slot in relation to the axis of rotation (3), extending along the circumferential surface (10), between the stator teeth (8, 9).
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公开(公告)号：US11802557B2
公开(公告)日：2023-10-31
申请号：US16978580
申请日：2019-03-06
发明人： Maurice Andree , Hong Giang To , Nils Bornemann
IPC分类号： F04B53/08 , F04B17/03 , H02K21/24 , H02K1/2795 , H05B6/10
CPC分类号： F04B53/08 , F04B17/03 , H02K1/2795 , H02K21/24 , H05B6/10
摘要： A method for operating an electric motor, the electric motor comprising at least one first stator with at least three coils and a rotor with at least two magnets, the first stator and the rotor being adjacently arranged in an axial direction, and the coils being adjacently arranged in a peripheral direction. The electric motor is operated at least in the following two states: a) in a first state, the coils are operated by respectively different phases of a three-phase current, and the rotor is rotated about an axis of rotation; and b) in a second state, the coils are operated by an equal-phase alternating current.
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公开(公告)号：US20230323876A1
公开(公告)日：2023-10-12
申请号：US18022250
申请日：2021-08-17
IPC分类号： F04C2/10
CPC分类号： F04C2/10 , F04C2240/40
摘要： A pump arrangement (1) at least comprising a pump (2) having a pressure side (3) and an intake side (4) and a drive unit (5) for the pump (2) which are arranged in a common housing (6), wherein the drive unit (5) is an axial flow electric drive which comprises a stator (7) which is connected to the housing (6) in a rotationally secure manner and a rotor (8) which is arranged so as to be able to be rotated with respect to the housing (6), wherein the rotor (8) is arranged with a first end face (9) opposite the stator (7) in an axial direction (10) and forms an outer conveying means (11) of the pump (2) and has with spacing from the first end face (9) on an inner circumferential face (12) a first conveying profile (13), wherein in a radial direction (14) inside the rotor (8) there is arranged an inner conveying means (15) of the pump (2) which has on an outer circumferential face (16) a second conveying profile (17) which cooperates with the first conveying profile (13) in order to convey a fluid (18).
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公开(公告)号：US20230188063A1
公开(公告)日：2023-06-15
申请号：US17921943
申请日：2021-04-27
发明人： Maurice Andree
IPC分类号： H02P6/08 , H02K1/2795 , H02K1/14 , H02P29/62 , H02K17/12
CPC分类号： H02P6/085 , H02K1/2795 , H02K1/14 , H02P29/62 , H02K17/12
摘要： The invention relates to an electric circuit (1) for an electric motor (2), the electric motor (2) having at least one stator (3) with at least three coils (4, 5, 6) and a rotor (7) with at least two magnetic poles (8, 9); the motor (2) being operable by means of the electric circuit (1) at least in the following two states (10, 11): a) in a first state (10), the coils (4, 5, 6) can each be energized with different currents of a three-phase system (12) and the rotor (7) can be set into rotation about an axis of rotation (13); b) in a second state (11), the coils (4, 5, 6) can be energized with an in-phase alternating current (14).
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公开(公告)号：US20220077745A1
公开(公告)日：2022-03-10
申请号：US17423072
申请日：2019-12-17
发明人： Hong Giang To , Stefan Tiller , Maurice Andree
摘要： An electric motor (1), at least having: a housing (2) and a stator (3) situated therein with at least a plurality of coils (4); and a rotor (5) with at least one magnet (6), an axis of rotation (7) and an outer circumferential surface (8); wherein: the stator (3) and the rotor (5) are adjacent to one another along the axis of rotation (7); the rotor (5) has a fluid conduction structure (9) between the axis of rotation (7) and the outer circumferential surface (8); the fluid conduction structure (9) has at least one surface (13) extending at least radially (10) and being inclined relative to at least a circumferential direction (11), or to an axial direction (12) running parallel to the axis of rotation (7); and at least part of a fluid flow (14), transported through the fluid conduction structure (9) inside the housing (2) during the operation of the motor (1), can be conducted over the coils (4).
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