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公开(公告)号：US11984781B2
公开(公告)日：2024-05-14
申请号：US16892259
申请日：2020-06-03
发明人： John Cunningham , Philip Grabherr , Ian Webb , Tim Male , Stojan Markic , Graham Sentance , Peter Sever , Josef Sonntag , Jon Witcombe
摘要： An electric machine includes a rotor rotatable about a rotational axis, by which an axial direction is defined, and a stator with stator windings, a coolant distributor space and a coolant collector space. The coolant distributor space communicates fluidically with the coolant collector space to cool the stator windings with a cooling duct. The stator includes stator teeth supporting the stator windings and protruding radially inward from a stator body of the stator. A stator groove is formed between two stator teeth which has a radially outer groove zone extending radially inward away from the stator body into a radially inner groove zone, the radially inner zone width of which is smaller than the radially outer zone width, when measured along the circumferential direction, of the radially outer groove zone. At least one stator winding is embedded, for thermal coupling, into an electrically insulating plastic arranged in the stator groove.
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公开(公告)号：US20200295616A1
公开(公告)日：2020-09-17
申请号：US16892255
申请日：2020-06-03
发明人： Philip Grabherr , Mirko Hoerz , Andrej Licen , Stojan Markic , Aleks Medvescek , Peter Sever , Josef Sonntag , Hans-Ulrich Steurer
摘要： An electric machine includes a rotor, rotatable about an axis of rotation defining an axial direction, and a stator having stator windings, a coolant distribution chamber and a coolant collection chamber arranged axially at a distance thereto. The coolant distribution chamber fluidically communicates with the coolant collection chamber with a cooling channel through which a coolant can flow. The cooling channel and the stator winding are embedded in a plastic mass made of a plastic for thermal coupling to the coolant. The stator has stator teeth extending along the axial direction and spaced apart from one another along a circumferential direction and carrying the stator windings. The plastic mass is arranged together with the cooling channel and the stator winding in an intermediate space formed between two stator teeth arranged adjacent in the circumferential direction and sections of cooling channel are configured as a tube body within the intermediate space.
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公开(公告)号：US20200161918A1
公开(公告)日：2020-05-21
申请号：US16689043
申请日：2019-11-19
发明人： Roberto Almeida E Silva , Bernd Blankenbach , Terry Cox , Philip Grabherr , Niklas Kull , Tim Male , Peter Pisek , Peter Sever , Josef Sonntag , Martin Williams
IPC分类号： H02K3/24 , H02K1/20 , H02K1/16 , H02K3/28 , H02K3/48 , H02K3/12 , H02K3/34 , H02K3/30 , B60K1/00
摘要： An insulating body for an electric machine includes outer walls of a plastic, which delimit a body interior. In the body interior, at least one winding zone for receiving a stator winding and at least one passage zone for receiving a cooling passage are provided.
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公开(公告)号：US11581771B2
公开(公告)日：2023-02-14
申请号：US16614678
申请日：2018-05-18
发明人： Mirko Hoerz , Hans-Ulrich Steurer , Josef Sonntag , Markic Stojan , Andrej Licen , Aleks Medvescek , Peter Sever , Philip Grabherr
摘要： An electrical machine may include a comprise a rotor, a stator, a coolant distributor chamber and a coolant collector chamber. The rotor may be rotated about an axis of rotation that defines an axial direction of the electrical machine. The stator may comprise a plurality of stator windings. The coolant collector chamber may be axially arranged at a distance from the coolant distributor chamber. The coolant distributor chamber may communicate fluidically with the coolant collector chamber by way of least one cooling channel through which a coolant can flow. The at least one cooling channel and the at least one stator winding may be embedded in a plastic mass consisting of an electrically insulating plastic for thermal coupling to the coolant.
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公开(公告)号：US11482900B2
公开(公告)日：2022-10-25
申请号：US16689043
申请日：2019-11-19
发明人： Roberto Almeida E Silva , Bernd Blankenbach , Terry Cox , Philip Grabherr , Niklas Kull , Tim Male , Peter Pisek , Peter Sever , Josef Sonntag , Martin Williams
IPC分类号： H02K3/24 , H02K1/20 , H02K1/16 , H02K3/28 , H02K3/12 , H02K3/34 , H02K3/30 , B60K1/00 , H02K3/48
摘要： An insulating body for an electric machine includes outer walls of a plastic, which delimit a body interior. In the body interior, at least one winding zone for receiving a stator winding and at least one passage zone for receiving a cooling passage are provided.
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公开(公告)号：US11451103B2
公开(公告)日：2022-09-20
申请号：US16687164
申请日：2019-11-18
发明人： Roberto Almeida E Silva , Bernd Blankenbach , Terry Cox , Philip Grabherr , Niklas Kull , Tim Male , Peter Pisek , Peter Sever , Josef Sonntag , Martin Williams
摘要： An electrical machine includes a rotor that is rotatable about a rotation axis, and includes a stator having electrically conductive stator windings. The machine includes a cooling channel through for cooling the stator windings. The stator has teeth extending arranged at a distance from one another along a circumferential direction of the rotor, the stator teeth protruding inwardly and carrying the stator windings. An interspace is formed between two stator teeth which are adjacent in the circumferential direction. An interspace is arranged in an insulation body having outer walls composed of a plastic, which delimit a body interior, in which a winding zone and a channel zone are provided. A stator winding is arranged in the at least one winding zone of the insulation body and a cooling channel for a is arranged in the at least one channel zone of the insulation body.
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公开(公告)号：US20200295614A1
公开(公告)日：2020-09-17
申请号：US16892227
申请日：2020-06-03
发明人： John Cunningham , Philip Grabherr , Ian Webb , Tim Male , Stojan Markic , Graham Sentance , Peter Sever , Josef Sonntag , Jon Witcombe
IPC分类号： H02K3/24
摘要： An electrical machine includes a rotor, which can be rotated about an axis of rotation, with which an axial direction is defined, and a stator having stator windings, a coolant distribution chamber and a coolant collecting chamber arranged axially at a distance thereto, the coolant distribution chamber fluidically communicates with the coolant collecting chamber for cooling the stator windings, a cooling duct and a stator winding are embedded in an electrically insulating plastic for thermal coupling, the stator has stator teeth which extend along the axial direction, are spaced apart from each other along a circumferential direction and bear the stator windings, the electrically insulating plastic is arranged together with the cooling duct and the stator winding in an intermediate space, and the electrically insulating plastic is formed by a first plastic mass of a first plastic material and by a second plastic mass of a second plastic material.
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公开(公告)号：US11777352B2
公开(公告)日：2023-10-03
申请号：US16614797
申请日：2018-05-18
发明人： Mirko Hoerz , Hans-Ulrich Steurer , Josef Sonntag , Stojan Markic , Andrej Licen , Aleks Medvescek , Peter Sever , Philip Grabherr
CPC分类号： H02K3/24 , B60K1/00 , H02K5/15 , H02K9/227 , B60K2001/006
摘要： An electrical machine for a vehicle may include a rotor, a stator, a coolant distributor chamber and a coolant collector chamber. The rotor may be configured to be rotated about an axis of rotation defining an axial direction of the electrical machine. The stator may include a plurality of stator windings. The coolant collector chamber may be axially arranged at a distance from the coolant distributor chamber. The coolant distributor chamber may be configured to communicate fluidically with the coolant collector chamber by at least one cooling channel through which a coolant can flow. At least one of the stator windings may be embedded in at least one plastic mass consisting of an electrically insulating plastic for thermal coupling to the coolant. At least one of the coolant distributor chamber and the coolant collector chamber may be arranged at least partially in the at least one plastic mass.
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公开(公告)号：US11527932B2
公开(公告)日：2022-12-13
申请号：US16769578
申请日：2018-11-15
发明人： John Cunningham , Philip Grabherr , Ian Webb , Tim Male , Stojan Markie , Sentance Graham , Peter Sever , Josef Sonntag , Jon Witcombe
摘要： A method for producing a stator may include providing an annular stator body including a plurality of stator teeth arranged spaced apart from one another. The method may also include at least partially overmoulding at least two adjacent stator teeth with a first plastic mass. The method may further include arranging at least one stator winding on at least one stator tooth of the at least two stator teeth and fixing the at least one stator winding on the at least one stator tooth via at least partially overmoulding the at least one stator winding with a second plastic mass. The method may additionally include, prior to fixing the at least one stator winding, introducing a mask into an intermediate space defined between the at least two stator teeth to cover a surface portion of the stator body bounding the intermediate space radially outside.
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公开(公告)号：US20220021259A1
公开(公告)日：2022-01-20
申请号：US17295349
申请日：2019-11-19
发明人： Roberto Almeida E Silva , Bernd Blankenbach , Terry Cox , Philip Grabherr , Niklas Kull , Tim Male , Peter Pisek , Peter Sever , Josef Sonntag , Martin Williams
摘要： An insulation body for an electrical machine may include a plurality of outer walls. The outer walls may be composed of a plastic. The outer walls may define a body interior having at least one winding zone configured to receive a stator winding, and at least one channel zone for receiving a cooling channel.
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