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公开(公告)号：US10892657B1
公开(公告)日：2021-01-12
申请号：US16445906
申请日：2019-06-19
摘要： An electric machine configured to propel a vehicle includes a stator, a rotor, and an end plate. The stator has end windings that protrude axially therefrom. The rotor is disposed within the stator. The end plate is secured to an axial end of the rotor. The end plate defines a primary chamber, a secondary chamber that is radially outward of the primary chamber, and a first outlet channel that is configured to direct fluid onto the end windings. The primary chamber is in fluid communication with a fluid source and the secondary chamber. The secondary chamber is in fluid communication with the outlet channel.
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公开(公告)号：US20170310190A1
公开(公告)日：2017-10-26
申请号：US15138368
申请日：2016-04-26
摘要： A vehicle electric machine may include a stator having end windings extending axially from the stator. A rotor may be disposed within the stator and including an endcap having an outer face defining outlets and a furrowed outer periphery with an edge configured to distribute coolant released from the outlets onto the outer face to different axial locations of the end windings during rotation. The furrowed outer periphery may taper toward an in inner flat portion. The outlets may be contained within the inner flat portion. The furrowed outer periphery may be symmetric about any axis perpendicular to and passing through an axis of rotation of the rotor. The outer face may further define channels extending from the outlets to the edge. The channels may be recessed in the outer face. The furrowed outer periphery may define concentric circumferential ridges.
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公开(公告)号：US11031834B2
公开(公告)日：2021-06-08
申请号：US15951325
申请日：2018-04-12
摘要： An automotive motor includes a stator and a rotor disposed within the stator. The automotive motor also includes an endplate attached to the rotor that defines a coolant exit hole, an outer edge, and an array of staggered raised flow disruptors disposed radially between the coolant exit hole and outer edge. The array disrupts flow of coolant as the coolant travels from the coolant exit hole along a surface of the endplate toward the outer edge.
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公开(公告)号：US10749404B2
公开(公告)日：2020-08-18
申请号：US15869729
申请日：2018-01-12
IPC分类号： H02K5/22 , H02K15/12 , H02K9/19 , H02K3/38 , H02K11/25 , B60K6/26 , B60K6/40 , H02K1/14 , H02K3/24 , H02K3/50 , H02K3/52 , H02K5/20 , H02P27/06
摘要： A vehicle electric machine assembly including a stator core and a terminal block is provided. The stator core includes one or more three-phase terminals connected to end windings. The terminal block includes a connector for each of the three-phase terminals. A portion of the end windings extending from the stator core, the three-phase terminals, and the terminal block are overmolded as a single unit such that a portion of each of the connectors is exposed for connection to an inverter. The terminal block may further include one or more threaded apertures, each sized to receive a threaded stud to facilitate an electrical connection between one of the one or more three-phase terminals and the inverter. Each of the one or more three-phase terminals may extend axially along an axis substantially parallel to a central axis of a rotor disposed within a cavity defined by the stator core.
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公开(公告)号：US20170271951A1
公开(公告)日：2017-09-21
申请号：US15072698
申请日：2016-03-17
摘要： An electric machine for an electrified vehicle is provided. The electric machine may include a stator, a ring plate, an encasement, and a fastener. The stator defines a cavity, a stator recess about a portion of the cavity, and a stator aperture. The stator may include windings disposed within and partially protruding out of the cavity. The ring plate may be sized for disposal within the stator recess, and may define a tab and a plate aperture for alignment with the stator aperture. The encasement may define a key sized for engagement with the tab to secure the encasement to the ring plate, and a closed coolant channel. The fastener may be sized for insertion within the apertures to secure the plate to the stator. The stator, ring plate, and encasement may be arranged with one another such that the partially protruding windings are disposed within the closed coolant channel.
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公开(公告)号：US20220029508A1
公开(公告)日：2022-01-27
申请号：US16939351
申请日：2020-07-27
发明人： Man Prakash Gupta , Franco Leonardi , Alfredo R. Munoz , Michael W. Degner , Prasad Dev Hanumalagutti
摘要： This disclosure relates to thermal management for an electric machine, such as an electric motor, of an electrified vehicle. An example assembly includes a stator having a core and a jacket at least partially surrounding the core. The jacket radially encloses a slot and is configured to permit fluid to flow within the slot from a first face of the stator to a second face of the stator. The assembly further includes a first end cover covering the first face of the stator. The first end cover has an inlet port and is configured to direct fluid from the inlet into the slot. Further, the assembly includes a second end cover covering the second face of the stator and configured to direct fluid that exits the slot.
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公开(公告)号：US10086538B2
公开(公告)日：2018-10-02
申请号：US15072731
申请日：2016-03-17
发明人： Prasad Dev Hanumalagutti , Michael W. Degner , Edward Chan-Jiun Jih , Guangyin Lei , Franco Leonardi
IPC分类号： B29C41/42 , B29C41/14 , B29C41/20 , B29C41/40 , H02K3/24 , B29K63/00 , B29L31/34 , B60K6/26 , H02K9/197
摘要： A cover for a housing of an electric machine is provided. The cover may include an inner sidewall and an outer sidewall. The outer sidewall may be spaced apart from the inner sidewall to define a coolant channel therebetween. The inner sidewall and outer sidewall may be defined by an interior surface of the cover such that the coolant channel receives end windings of a stator of the electric machine when the cover is secured to the housing. The interior surface of the cover may define features between the sidewalls to promote turbulence of coolant flowing through the coolant channel. The interior surface of the cover may define a meandering trough between the sidewalls to form a predetermined coolant path relative to a location of the end windings when the cover is secured to the housing.
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公开(公告)号：US20170271940A1
公开(公告)日：2017-09-21
申请号：US15072731
申请日：2016-03-17
发明人： Prasad Dev Hanumalagutti , Michael W. Degner , Edward Chan-Jiun Jih , Guangyin Lei , Franco Leonardi
CPC分类号： B29C41/42 , B29C41/14 , B29C41/20 , B29C41/40 , B29K2063/00 , B29L2031/3481 , B60K1/00 , B60K6/26 , B60K11/02 , B60K2001/006 , B60Y2200/92 , B60Y2306/05 , B60Y2410/10 , H02K3/24 , H02K9/197 , Y10S903/906
摘要： A cover for a housing of an electric machine is provided. The cover may include an inner sidewall and an outer sidewall. The outer sidewall may be spaced apart from the inner sidewall to define a coolant channel therebetween. The inner sidewall and outer sidewall may be defined by an interior surface of the cover such that the coolant channel receives end windings of a stator of the electric machine when the cover is secured to the housing. The interior surface of the cover may define features between the sidewalls to promote turbulence of coolant flowing through the coolant channel. The interior surface of the cover may define a meandering trough between the sidewalls to form a predetermined coolant path relative to a location of the end windings when the cover is secured to the housing.
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公开(公告)号：US11522406B2
公开(公告)日：2022-12-06
申请号：US16930030
申请日：2020-07-15
IPC分类号： H02K5/00 , H02K5/22 , H02K15/12 , H02K9/19 , H02K3/38 , H02K11/25 , B60K6/26 , B60K6/40 , H02K1/14 , H02K3/24 , H02K3/50 , H02K3/52 , H02K5/20 , H02P27/06
摘要： A vehicle electric machine assembly including a stator core and a terminal block is provided. The stator core includes one or more three-phase terminals connected to end windings. The terminal block includes a connector for each of the three-phase terminals. A portion of the end windings extending from the stator core, the three-phase terminals, and the terminal block are overmolded as a single unit such that a portion of each of the connectors is exposed for connection to an inverter. The terminal block may further include one or more threaded apertures, each sized to receive a threaded stud to facilitate an electrical connection between one of the one or more three-phase terminals and the inverter. Each of the one or more three-phase terminals may extend axially along an axis substantially parallel to a central axis of a rotor disposed within a cavity defined by the stator core.
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公开(公告)号：US11108303B2
公开(公告)日：2021-08-31
申请号：US15243407
申请日：2016-08-22
摘要： An electric machine includes a stator with a core having an end face and a plurality of conductors forming windings that extend adjacent to the end face defining end turns having a toroidal outline. The end turns are formed to define at least one channel in the end turns that traverses the end turns for increasing a surface area for fluid contact and directing a flow of fluid along the toroidal surface.
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