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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Применить Всего найдено 6. Отображено 5.
24-01-2019 дата публикации

ISOLATION RING FOR ELECTRIC MOTOR END WINDINGS

Номер: US20190027990A1
Автор: Diemer John A., Malone Rodney C., Rhoads Frederick W.
Принадлежит:

An electric motor for a hybrid or electric vehicle drive unit includes a housing with a stator fixed within the housing and including a plurality of end windings. A rotor is disposed within the housing and connected to a drive shaft. An isolating ring is disposed within the housing between the end windings and the housing. 1. An electric motor for a vehicle drive unit , comprising:a housing;a stator fixed within the housing and including a plurality of end windings;a rotor disposed within the housing and connected to a drive shaft;an isolating ring disposed within the housing between the end windings and the housing.2. The electric motor according to claim 1 , wherein the isolation ring is an insert received in the housing.3. The electric motor according to claim 1 , wherein the isolation ring is sprayed on an interior surface of the housing.4. The electric motor according to claim 1 , wherein the isolation ring is made from a dielectric material.5. The electric motor according to claim 4 , wherein the isolation ring is made from one of PTFE claim 4 , PEEK and FEP.6. The electric motor according to claim 1 , wherein the isolation ring has a thickness of 1 mm or less. The present disclosure relates to electric motors and more particularly to an isolation ring for electric motor end windings.This section provides background information related to the present disclosure which is not necessarily prior art.Electric motors are becoming more commonly used in electric vehicle and hybrid vehicle drive units. The electric motors include a stator and a rotor connected to a drive shaft. Lengths of wire, called “conductors”, are wound around the stator structure. This winding process usually causes the windings and internal motor leads to be bent into relatively narrow radius curves defining end windings. The rotor and stator are disposed within a housing. Electric motor design requirements require a minimum spacing between the end windings and the housing without an insulation ...

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Номер записи: 1
31-03-2022 дата публикации

Part balancing

Номер: US20220099517A1
Автор: Dan J. Martin, Mithun Sunny, Rodney C. Malone, Vanessa Dongmo Kenfack, Yew Sum Leong
Принадлежит: GM GLOBAL TECHNOLOGY OPERATIONS LLC

A method of forming a balancing scallop within a rotating part, including inspecting the rotating part for imbalance, calculating dimensions of the balancing scallop to be formed within the rotating part, positioning the rotating part relative to a material removal machine, starting the tool removal machine, bringing the rotating part and a tool of the material removal machine into engagement, forming a first section of the balancing scallop, forming a second section of the balancing scallop, forming a third section of the balancing scallop, and dis-engaging the rotating part and the tool of the material removal machine.

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Номер записи: 2
18-10-2018 дата публикации

SLOT LINER FORMING APPARATUS, METHOD, AND SYSTEM

Номер: US20180301963A1
Автор: Campbell John D., Linn Douglas M., Malone Rodney C., Rhoads Frederick W.
Принадлежит:

A slot flaring apparatus is presented herein. The slot flaring apparatus includes a base and flaring tool. The base is configured to receive and secure a stator that has a plurality of core slots. The flaring tool is configured to be controllably pressed against the stator and has a plurality of flaring teeth. Moreover, each tooth of the plurality of flaring teeth is configured to insert into and form a respective slot liner which has been inserted into the corresponding core slot. 1. A slot flaring apparatus comprising:a base configured to receivably secure a stator having a plurality of core slots;a flaring tool configured to be controllably pressed against the stator, the flaring tool comprising a plurality of flaring teeth; andwherein each tooth of the plurality of flaring teeth is configured to insert into and form a respective slot liner inserted into the corresponding core slot.2. The slot flaring apparatus of claim 1 , further comprising a press supportably connected to the flaring tool claim 1 , the press configured to controllably press the flaring tool against the stator.3. The slot flaring apparatus of claim 1 , further comprising a heating element on the flaring tool claim 1 , the heating element configured to conductively heat the plurality of flaring teeth.4. The slot flaring apparatus of claim 1 , further comprising a movable shelf configured to support the base claim 1 , the movable shelf further configured to move the base away from and closer to the flaring tool.5. The slot flaring apparatus of claim 1 , wherein the flaring tool has a circular cross section.6. The slot flaring apparatus of claim 1 , wherein the each tooth of the plurality of flaring teeth comprises a tapered shape and chamfer.7. A method of forming a slot liner inserted into the core slot of a stator claim 1 , the method comprises:securing a stator onto a base, the stator comprises a plurality of core slots;positioning the base such that the stator can operatively receive a ...

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Номер записи: 3
28-05-2024 дата публикации

Part balancing

Номер: US11994444B2
Автор: Dan J. Martin, Mithun Sunny, Rodney C. Malone, Vanessa Dongmo Kenfack, Yew Sum Leong
Принадлежит: GM GLOBAL TECHNOLOGY OPERATIONS LLC

A method of forming a balancing scallop within a rotating part, including inspecting the rotating part for imbalance, calculating dimensions of the balancing scallop to be formed within the rotating part, positioning the rotating part relative to a material removal machine, starting the tool removal machine, bringing the rotating part and a tool of the material removal machine into engagement, forming a first section of the balancing scallop, forming a second section of the balancing scallop, forming a third section of the balancing scallop, and dis-engaging the rotating part and the tool of the material removal machine.

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Номер записи: 4
31-03-2022 дата публикации

Auswuchten eines teils

Номер: DE102021110448A1
Автор: Dan J. Martin, Mithun Sunny, Rodney C. Malone, Vanessa Dongmo Kenfack, Yew Sum Leong
Принадлежит: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Verfahren zum Ausbilden einer Auswuchtmulde in einem rotierenden Teil, umfassend das Prüfen des rotierenden Teils auf Unwucht, das Berechnen der Abmessungen der in dem rotierenden Teil auszubildenden Auswuchtmulde, das Positionieren des rotierenden Teils relativ zu einer Materialabtragungsmaschine, das Starten der Materialabtragungsmaschine, das In-Eingriff-Bringen des rotierenden Teils und eines Werkzeugs der Materialabtragungsmaschine, das Ausbilden eines ersten Abschnitts der Auswuchtmulde, das Ausbilden eines zweiten Abschnitts der Auswuchtmulde, das Ausbilden eines dritten Abschnitts der Auswuchtmulde, und das Lösen des rotierenden Teils und des Werkzeugs der Materialabtragungsmaschine.

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Номер записи: 5