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公开(公告)号：US20240083231A1
公开(公告)日：2024-03-14
申请号：US17942628
申请日：2022-09-12
Applicant: BorgWarner Inc.
Inventor： Attila Nagy , Andrew Dragon
CPC classification number: B60K1/00 , B60K11/02 , H02K9/19 , B60K2001/006
Abstract: A drive module is employed for use in a hybrid electric vehicle (HEV) powertrain or in a battery electric vehicle (BEV) powertrain. The drive module serves to propel movement of the accompanying hybrid electric vehicle or battery electric vehicle. In an implementation, the drive module includes a housing, an electric motor, a gear assembly, a coolant sump, and a coolant passage. The electric motor has a stator and a rotor. The rotor has a shaft. The gear assembly has its movement driven by the shaft. The coolant passage resides in a wall of the housing. Amid use, coolant is drawn from the coolant sump via the coolant passage.
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公开(公告)号：US20250125695A1
公开(公告)日：2025-04-17
申请号：US18910808
申请日：2024-10-09
Applicant: BorgWarner Inc.
Inventor： Andrew Dragon , Arlen Phillip Suter , Derek Joseph Thompson , Kristopher Graves
Abstract: A method for securing a stator, including aligning a pin with an opening in a lamination stack, holding the pin with a support, the support having a surface thereof that is located at a distance from the lamination stack of at least 40 percent of a length of the pin that is exposed outside the lamination stack, and press fitting the pin into the opening. An electric machine, including a stator including a lamination stack having a first end and a second end and an ear depending from the stack, the ear including an opening, and a pin disposed, in press fit relationship, with the stator, the pin extending beyond the first and the second ends of the stator.
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Patent Agency Ranking
公开(公告)号：US20240055951A1
公开(公告)日：2024-02-15
申请号：US17884207
申请日：2022-08-09
Applicant: BorgWarner Inc.
Inventor： Andrew Dragon
Abstract: An induction rotor for an electric machine includes a rotor shaft, a core having a plurality of axially extending conductive bars, and an end ring disposed at an end of the core and electrically connected to the plurality of conductive bars. The end ring includes a plurality of plates, the plurality of plates include a pair of adjacent plates defining a fluid passage therebetween, and the fluid passage is configured to circulate a cooling fluid through the end ring.
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公开(公告)号：US20250125674A1
公开(公告)日：2025-04-17
申请号：US18913387
申请日：2024-10-11
Applicant: BorgWarner Inc.
Inventor： Matthew Ryan Conner , Andrew Dragon
Abstract: A stator for an electric machine includes a stator core, windings, a first end ring, and a second end ring. The stator core includes a plurality of slots and the windings include a plurality of interconnected conductors that extend through the plurality of slots. The windings further include U-shaped end turns on an insertion end of the stator core and weld end turns on a connection end of the stator core. The first end ring is coupled to the insertion end of the stator core and includes a plurality of openings and a plurality of radial ribs. The U-shaped end turns engage the radial ribs of the first end ring. The second end ring is coupled to the connection end of the stator core. The weld end turns are bent around the radial ribs of the second end ring.
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公开(公告)号：US20240055914A1
公开(公告)日：2024-02-15
申请号：US17818659
申请日：2022-08-09
Applicant: BorgWarner Inc.
Inventor： Tim Garner , Andrew Dragon , Dave Fulton
Abstract: A stator assembly has a substantially cylindrical core that defines a plurality of winding slots and a plurality of wedge-shaped insert slots, with the winding slots and insert slots alternating around the perimeter face of the core. Each insert slot is wedge-shaped to receive a wedge-shaped insert. The insert includes a cap at one end that is configured to be positioned at the insert slot opening when the insert is disposed within the corresponding insert slot. The cap includes a pair of wings extending therefrom that are sized and configured to overlap a portion of a winding slot on either side of the insert slot when the insert is disposed in said insert slot. The insert slots and inserts include a feature for locking engagement of the inserts in the slots.
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公开(公告)号：US20240055934A1
公开(公告)日：2024-02-15
申请号：US17884191
申请日：2022-08-09
Applicant: BorgWarner Inc.
Inventor： Andrew Dragon
CPC classification number: H02K5/24 , H02K1/16 , H02K15/024
Abstract: A stator for an electric machine includes a stator body having a cylindrical yoke having a first diameter and a second diameter, a tooth portion having a plurality of slots extending radially from the first diameter, and at least one vibration mitigation portion including at least one gap in the yoke portion. The at least one gap extends radially from the first diameter to the second diameter, and the at least one gap has a width selected to mitigate vibration when the electric machine is operating at a selected operation frequency.
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公开(公告)号：US10533529B2
公开(公告)日：2020-01-14
申请号：US16006328
申请日：2018-06-12
Applicant: BorgWarner Inc.
Inventor： Andrew Dragon , David Fulton
Abstract: A starter motor controller for a starter motor operatively connected to a single coil solenoid includes a first pair of switches including a first solenoid switch and a second solenoid switch. The first solenoid switch selectively completes a first electrical circuit for delivering a first electrical current to the single coil solenoid and the second solenoid switch selectively completes a second electrical circuit for delivering a second electrical current to the single coil solenoid that is less than the first electrical current. A second pair of switches includes a first starter motor switch and a second starter motor switch. The first starter motor switch selectively completes a first electrical circuit for delivering a first electrical power to the starter motor and the second starter motor switch selectively completes a second electrical circuit for delivering a second electrical power to the starter motor that is greater than the first electrical power.
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