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公开(公告)号:US10605218B2
公开(公告)日:2020-03-31
申请号:US15429563
申请日:2017-02-10
申请人: BorgWarner, Inc.
发明人: Michael D. Bradfield
摘要: A number of variations may include a solenoid assembly comprising: a shaft; a pinion-plunger operatively attached to the shaft and having a first end comprising a plurality of teeth; a plurality of iron cores surrounding at least a portion of the pinion-plunger and the shaft; at least one solenoid coil winding and at least one spool surrounding each of the plurality of iron cores; a stop adjacent a first end of the plurality of iron cores; a guide adjacent a second end of the plurality of iron cores opposite of the stop; a biasing member in operative communication with the first end the pinion-plunger; and wherein the solenoid assembly is constructed and arranged so that when the solenoid assembly is activated the pinion-plunger is magnetically drawn toward the stop.
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公开(公告)号:US10250100B2
公开(公告)日:2019-04-02
申请号:US13837102
申请日:2013-03-15
申请人: BorgWarner, Inc.
发明人: Michael D. Bradfield
摘要: Embodiments of the invention provide a starter that includes a motor with an armature that is coupled to a pinion. In some embodiments, the starter can include a main field coil that can be configured and arranged to produce a main magnetic field flux. Some embodiments include at least one auxiliary flux assembly arranged in close proximity with the main field coil and electrically disconnected from it. In some embodiments, a control system can operatively power the main field coil to produce a magnetic field flux. In some embodiments, the at least one auxiliary flux assembly can provide a supplementary field flux adding to the main magnetic field flux that interacts with the armature.
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公开(公告)号:US20240313591A1
公开(公告)日:2024-09-19
申请号:US18121087
申请日:2023-03-14
申请人: BorgWarner Inc.
发明人: Michael D. Bradfield
摘要: An electric motor can be employed for use in a hybrid electric vehicle (HEV) or in a battery electric vehicle (BEV), as example applications. In an implementation, the electric motor has a stator assembly with a multitude of laminations exhibiting an axially-stacked arrangement. The laminations establish coolant channels at a radially-outboard location thereof, and establish slots at a radially-inboard location thereof. Conductors such as windings are disposed at the slots. Some or more of the coolant channels and some or more of the slots are in fluid communication with each other whereby coolant flows through the coolant channels, to the slots, and into contact with the conductors. Enhanced cooling effectiveness at the stator and elsewhere results.
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公开(公告)号:US10332822B2
公开(公告)日:2019-06-25
申请号:US16058072
申请日:2018-08-08
申请人: BORGWARNER INC.
发明人: Michael D. Bradfield
IPC分类号: H01L25/07 , H01L23/467 , H01L25/065 , H02K9/04 , H02K9/06 , H02K11/04 , H02K11/33
摘要: An electronic package connectable to an electric machine includes a cooling tower having a metallic wall with a radially outer wall surface. The radially outer wall surface includes discrete, radially outwardly projecting pedestals. The planar pedestal mounting surfaces are parallel with the central axis such that the radial distance between the axis and the radially outer wall surface is greater within the periphery than outside the periphery. Power modules are mounted to the pedestals. Each power module includes a base in thermal contact with a pedestal mounting surface and an opposing interior surface in thermal communication with a MOSFET power electronics device. A cover plate is spaced from the base interior surface. A dielectric housing member surrounds the MOSFET power electronics devices. An electrical connection terminal is disposed outside the periphery of each module. An electric machine including such an electronic package is also disclosed.
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公开(公告)号:US11050332B2
公开(公告)日:2021-06-29
申请号:US16420991
申请日:2019-05-23
申请人: BorgWarner Inc.
发明人: Michael D. Bradfield
摘要: A pole piece (106) for a rotor (100) of a rotary electric machine (20) includes a hub portion (104) and a plurality of pole segments (106) distributed evenly about the hub portion (104). The pole segments each have a base (116) that is connected to the hub portion (104) and a tip (118) that is disposed axially opposite the base (116) along an axis (60) of the pole piece (106). Each pole segment (106) defines circumferentially opposite side surfaces (120, 122) that extend between the base (116) and the tip (118). Each pole segment (106) also defines radially opposite outer and inner surfaces (124, 126) that extend between the side surfaces (120, 122). A groove is recessed in the side surfaces (120, 122) of each pole segment (106). A radially innermost portion (136) of the groove (130, 132) is arranged proximate to the radially outer surface.
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公开(公告)号:US20210129660A1
公开(公告)日:2021-05-06
申请号:US17075768
申请日:2020-10-21
申请人: BorgWarner Inc.
发明人: Michael D. Bradfield
IPC分类号: B60K11/04 , B60K1/00 , F16N13/00 , F16H57/04 , F16N7/38 , F16N25/00 , F16H57/02 , F16N7/02 , F16N31/00 , F16N39/02 , H02K5/18 , H02K5/20 , H02K7/116 , H02K9/193 , H02K9/26 , H02K11/33
摘要: A drive module for a vehicle including an electric machine, an inverter, a gearing assembly, and a cooling system. A first housing member thermally coupled with the inverter has a first set of heat exchange surfaces and a second housing member thermally coupled with the electric machine has a second set of heat exchange surfaces. The first and second sets of heat exchange surfaces each project into an interior volume cooled by an externally supplied liquid coolant which thereby defines a heat exchanger. A lower oil sump for collecting oil used to cool the electric machine may also include heat exchange surfaces projecting into the same heat exchanger. The gearbox may include an elevated oil sump which is supplied by the same oil pump circulating oil on the electric machine wherein the elevated oil sump gravity feeds oil onto selected surfaces within the gearbox.
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公开(公告)号:US20180350720A1
公开(公告)日:2018-12-06
申请号:US16058072
申请日:2018-08-08
申请人: BORGWARNER INC.
发明人: Michael D. Bradfield
IPC分类号: H01L23/467 , H02K11/33 , H01L25/065 , H02K9/04
CPC分类号: H01L23/467 , H01L25/0655 , H01L25/072 , H01L2924/0002 , H02K9/04 , H02K9/06 , H02K11/048 , H02K11/33 , H01L2924/00
摘要: An electronic package connectable to an electric machine includes a cooling tower having a metallic wall with a radially outer wall surface. The radially outer wall surface includes discrete, radially outwardly projecting pedestals. The planar pedestal mounting surfaces are parallel with the central axis such that the radial distance between the axis and the radially outer wall surface is greater within the periphery than outside the periphery. Power modules are mounted to the pedestals. Each power module includes a base in thermal contact with a pedestal mounting surface and an opposing interior surface in thermal communication with a MOSFET power electronics device. A cover plate is spaced from the base interior surface. A dielectric housing member surrounds the MOSFET power electronics devices. An electrical connection terminal is disposed outside the periphery of each module. An electric machine including such an electronic package is also disclosed.
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