公开(公告)号：US12123264B2

公开(公告)日：2024-10-22

申请号：US17524627

申请日：2021-11-11

申请人： Baker Hughes Oilfield Operations LLC

发明人： Amiya Tripathy ,  Dennis Matuszak ,  David Livingston ,  Shawn Gunter

IPC分类号： E21B17/00 ,  E21B17/02 ,  E21B17/20 ,  E21B43/12 ,  F04B47/06 ,  F04D13/06 ,  F04D13/08 ,  F04D13/10 ,  H01B3/00 ,  H01B7/02 ,  H01B7/04 ,  H01B7/28 ,  H01B7/282 ,  H01B7/29 ,  H02K3/30 ,  H02K3/34 ,  H02K3/44 ,  H02K5/132 ,  H02K5/22

CPC分类号： E21B17/003 ,  E21B17/023 ,  E21B17/028 ,  E21B17/0285 ,  E21B17/206 ,  E21B43/128 ,  F04B47/06 ,  F04D13/0693 ,  F04D13/08 ,  F04D13/10 ,  H01B7/0216 ,  H01B7/046 ,  H01B7/2806 ,  H01B7/282 ,  H01B7/292 ,  H02K3/30 ,  H02K3/34 ,  H02K3/345 ,  H02K3/44 ,  H02K5/132 ,  H02K5/225 ,  H01B3/002 ,  H01B7/0275 ,  H01B7/0283

摘要： An electric submersible pumping system includes a motor, a pump driven by the motor, and a cable that provides electrical power to the motor. The cable includes a conductor and an insulator surrounding the conductor. The insulator includes a first layer surrounding the conductor and a second layer surrounding the first layer. The insulator may include an H2S scavenger and an H2S reactant in the first or second layers surrounding the conductor. The cable optionally includes a sub-insulator layer that includes a metal or nitride coating applied directly to the conductor.

公开(公告)号：US12095322B2

公开(公告)日：2024-09-17

申请号：US17481071

申请日：2021-09-21

申请人： DAIKIN INDUSTRIES, LTD.

发明人： Hisato Sumitomo ,  Tatsuya Tonari ,  Yuji Nakazawa

IPC分类号： H02K3/14 ,  H02K1/16 ,  H02K3/28 ,  H02K3/30 ,  H02K3/38 ,  H02K3/493

CPC分类号： H02K3/14 ,  H02K1/165 ,  H02K3/28 ,  H02K3/30 ,  H02K3/38 ,  H02K3/493

摘要： A stator includes a cylindrical stator core provided with a plurality of slots, a segment conductor mounted to the stator core, and a resin insulator including a winding barrel portion and an insertion portion that are integrally molded. The segment conductor includes a plurality of leg portions inserted into the slots, and a crossover wire portion that couples two of the leg portions inserted into the slots that differ from each other. The winding barrel portion is disposed between the stator core and the crossover wire portion of the segment conductor. The insertion portion is disposed on an inner side from the segment conductor inside the slots of the stator core.

公开(公告)号：US20240305153A1

公开(公告)日：2024-09-12

申请号：US18587449

申请日：2024-02-26

申请人： Honda Motor Co., Ltd.

发明人： Tatsuya Ohzu ,  Masashi Inoue

IPC分类号： H02K3/24 ,  H02K1/20 ,  H02K3/30 ,  H02K3/34

CPC分类号： H02K3/24 ,  H02K1/20 ,  H02K3/30 ,  H02K3/345

摘要： A rotating electric machine comprises a rotor and a stator. The stator has a stator coil extending in an axial direction, an insulating member enclosing the stator coil, and an annular stator core in which a plurality of slots into which the stator coil enclosed by the insulating member are inserted are formed. In the stator core, a channel for introducing a cooling medium into each of the plurality of slots are formed. In the insulating member, an introduction opening for guiding the cooling medium introduced into a slot, among the plurality of slots, to a space enclosed by the insulating member is provided.

公开(公告)号：US20240263852A1

公开(公告)日：2024-08-08

申请号：US18607119

申请日：2024-03-15

申请人： DAIKIN INDUSTRIES, LTD.

发明人： Haruka TARAI ,  Hideki MATSUURA ,  Masaru TANAKA ,  Arisa KAWAE

IPC分类号： F25B31/00 ,  C09K5/04 ,  C10M107/34 ,  C10N40/30 ,  F04C18/02 ,  F04C29/02 ,  F25B9/00 ,  H02K3/30 ,  H02K3/32

CPC分类号： F25B31/002 ,  C09K5/042 ,  C10M107/34 ,  F04C18/0215 ,  F04C29/02 ,  F25B9/002 ,  H02K3/30 ,  H02K3/325 ,  C09K2205/12 ,  C10M2209/1023 ,  C10M2209/1055 ,  C10N2040/30 ,  F04C2240/30 ,  F04C2240/403

摘要： A compressor includes a casing, a compression mechanism, and an insulating member. A refrigerating machine oil is stored in the casing. The compression mechanism is housed within the casing. The compression mechanism compresses a refrigerant. The insulating member is housed within the casing. The insulating member is formed of a polymer having an ester bond. The refrigerant includes a hydrocarbon as a main component. The refrigerant has a saturated water content of less than 0.3% by weight. The refrigerating machine oil has a saturated water content of 1.8% by weight or more. A refrigeration apparatus includes the compressor.

公开(公告)号：US20240235310A1

公开(公告)日：2024-07-11

申请号：US18443234

申请日：2024-02-15

申请人： Essex Furukawa Magnet Wire USA LLC

发明人： Scott Ted Jolley

IPC分类号： H02K3/40 ,  C08K3/22 ,  H01B3/00 ,  H01B7/02 ,  H02K3/30

CPC分类号： H02K3/40 ,  C08K3/22 ,  H01B3/004 ,  H01B7/0208 ,  H02K3/30 ,  C08K2003/2231 ,  C08K2201/001

摘要： A method for forming magnet wire with improved partial discharge performance may include providing a conductor, forming a first layer of polymeric enamel insulation formed around the conductor, and forming a second semi-conductive layer around the first layer. Forming the second layer may include providing a base polyamic acid and complexing filler particles with the base polyamic acid. The polyamic acid may be applied around the first layer, and the filler particles may migrate towards an outer surface of the second layer. The polyamic acid may be cured to form a semi-conductive enamel layer, and at least sixty percent by weight of the filler particles may be positioned within an outer half of the second layer following the migration.

公开(公告)号：US20240128822A1

公开(公告)日：2024-04-18

申请号：US18487965

申请日：2023-10-16

申请人： AUDI AG

发明人： Malte LOEPRECHT ,  Philipp UHLMANN ,  Lars WETTERAU

IPC分类号： H02K3/34 ,  H02K1/26 ,  H02K3/30 ,  H02K15/12

CPC分类号： H02K3/345 ,  H02K1/26 ,  H02K3/30 ,  H02K15/12

摘要： A pole cover is provided for receiving and guiding a winding on a rotor of an electric motor, comprising multiple segments which extend in a radial direction to a center axis of the pole cover, wherein the segments receive a partial region of the winding of the electric motor, and wherein each of the segments includes a winding region to receive the winding and a segment connection region for connecting to other segments, wherein the winding region and the segment connection region border on each other and the segment connection region is situated closer to the center axis than the winding region. The segment connection regions extend at least partially in the circumferential direction about the center axis and each segment connection region protrudes, in the circumferential direction about the center axis, beyond the adjoining winding region. Multiple decoupling regions are also provided, each being situated between two segment connection regions in the circumferential direction about the center axis. An electric motor having such a pole cover and a method for producing a pole cover are also provided.

公开(公告)号：US20240097509A1

公开(公告)日：2024-03-21

申请号：US17946184

申请日：2022-09-16

申请人： Ford Global Technologies, LLC

发明人： Akash Changarankumarath Pradeepkumar ,  Singar Rathnam

IPC分类号： H02K1/16 ,  H02K3/12 ,  H02K3/30 ,  H02K15/10

CPC分类号： H02K1/16 ,  H02K3/12 ,  H02K3/30 ,  H02K15/105

摘要： A method for applying varnish to a stator of an electric motor includes depositing varnish onto an outer laminate of the stator, accumulating the deposited varnish with a ridge on the outer laminate, and directing the accumulated varnish into a slot of the outer laminate with the ridge.

公开(公告)号：US20240072590A1

公开(公告)日：2024-02-29

申请号：US18456876

申请日：2023-08-28

申请人： Atieva, Inc.

发明人： Mohammad Mahmoudi ,  Emad Dlala ,  Anandakumar Subbiah ,  Sahil Rahimi

IPC分类号： H02K3/12 ,  H02K1/16 ,  H02K3/30 ,  H02K9/19

CPC分类号： H02K3/12 ,  H02K1/16 ,  H02K3/30 ,  H02K9/19

摘要： An electric motor comprises: a rotor; a stator comprising a stack of laminations, wherein windings of the stator comprise wires that have individual insulation, the wires forming slot windings positioned in slots of the stator, the wires further forming end windings positioned outside the slots at each end of the stator; varnish in the slots of the stator, the varnish contacting the laminations and the slot windings, and wherein the varnish does not contact the end windings of at least one of the ends of the stator; and a cooling system to apply liquid coolant to at least the end windings, wherein the liquid coolant passes between the wires of the end windings.

公开(公告)号：US11916448B2

公开(公告)日：2024-02-27

申请号：US17495215

申请日：2021-10-06

申请人： The Timken Company

发明人： Jan de Swardt

IPC分类号： C08J5/24 ,  B32B27/20 ,  B32B27/38 ,  H02K15/12 ,  H02K3/30 ,  H02K15/10 ,  B29C70/86 ,  C08K7/18 ,  C09J163/00 ,  B29K105/16 ,  B29L31/00 ,  B29K709/10

CPC分类号： H02K15/12 ,  B29C70/86 ,  C08J5/245 ,  C08K7/18 ,  H02K3/30 ,  H02K15/105 ,  B29K2105/162 ,  B29K2709/10 ,  B29L2031/748 ,  C08J2363/00

摘要： An insulation system of a current-carrying conductor of an electric machine. The insulation system comprises a thermally curable resin including a polymer resin matrix and a nanoparticulate filler. A mica paper or mica tape is impregnated with the thermally curable resin. The thermally curable resin comprises nanoparticulate filler, the total quantity of nanoparticulate filler being at least 0.1 wt % and not more than 0.5 wt %.

公开(公告)号：US11909286B2

公开(公告)日：2024-02-20

申请号：US16941719

申请日：2020-07-29

申请人： Florian Schulz

发明人： Florian Schulz

IPC分类号： H02K3/34 ,  H02K15/10 ,  H02K3/12 ,  H02K3/30

CPC分类号： H02K3/345 ,  H02K3/12 ,  H02K15/105 ,  H02K3/30

摘要： The disclosure relates to an electric machine of an electrical system, (e.g., a drive system), and in particular to the electrical insulation of a coil of the machine. A coil arrangement includes a coil, formed by an electrical coil conductor, and also an insulating arrangement. The coil is arranged at an electrically conductive element of the machine, for example, at or on a corresponding tooth of a stator or of a rotor of the machine, which is formed by a laminated core. The insulating arrangement is configured to insulate the coil from the electrically conductive element, (e.g., from the laminated core forming the tooth). The insulating arrangement has a first, electrically conductive layer, which is at least partly arranged between the coil and the metallic component. Furthermore, the first layer is electrically connected to the metallic component, in order to prevent partial discharges between the insulating arrangement and the metallic component.