TWI487249B - Electrical motor - Google Patents
Electrical motor Download PDFInfo
- Publication number
- TWI487249B TWI487249B TW099116059A TW99116059A TWI487249B TW I487249 B TWI487249 B TW I487249B TW 099116059 A TW099116059 A TW 099116059A TW 99116059 A TW99116059 A TW 99116059A TW I487249 B TWI487249 B TW I487249B
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- Prior art keywords
- stator
- housing
- electric motor
- mounting
- area
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/15—Mounting arrangements for bearing-shields or end plates
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
- H02K1/185—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to outer stators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
- H02K5/1732—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotary shaft at both ends of the rotor
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Description
本發明首先係有關於一種包括轉子及定子的電動馬達,其中,定子容置於由二個部件所構成的馬達殼體中,其殼體部件同時分別構成軸承支架,且以彼此軸向對準的方式覆蓋定子,其中,該等殼體部件之對應邊緣區域係以唯有將其破壞方能解除的方式彼此相連。The present invention relates first to an electric motor including a rotor and a stator, wherein the stator is housed in a motor housing composed of two components, the housing components of which simultaneously constitute bearing brackets, respectively, and are axially aligned with each other The manner covers the stator, wherein the corresponding edge regions of the housing parts are connected to one another only in such a way that their failure can be released.
上述類型之電動馬達已為吾人所知,尤其以整流馬達及磁阻馬達之形式。其定子容置於一個對開式殼體中,其殼體部件之區段同時亦構成支架,以固定用於支承轉子軸的軸承(例如,球軸承)。為固定殼體部件於定子上,主要藉由焊接而使諸殼體部件之對應邊緣區域彼此相連。Electric motors of the above type are known to us, in particular in the form of rectifying motors and reluctance motors. The stator is housed in a split housing, and the sections of the housing components also form a bracket to secure a bearing (eg, a ball bearing) for supporting the rotor shaft. In order to fix the housing parts to the stator, the corresponding edge regions of the housing parts are connected to each other mainly by welding.
有鑒於上述先前技術,本發明之技術課題在於,特別在如何固定各殼體部件以容置定子方面,對上述類型之電動馬達進行改良。In view of the above prior art, the technical problem of the present invention is to improve an electric motor of the above type particularly in how to fix each housing member to accommodate a stator.
此課題首先且基本上藉由申請專利範圍第1項之標的而達成,其中,諸對應邊緣形成沿垂直方向突出的連接片,而該等連接片係在安裝完畢狀態下沿水平方向彼此重疊,其中,在該等連接片區域內,較佳僅在該等連接片區域內實現諸殼體部件之相對固定。該設計方案給出了一種用於將諸殼體部件固定於定子上的便於安裝的實施方式。習知解決方案用環繞式殼體壁部來連接殼體部件,並使其呈碗狀覆蓋卡住定子,與之相比,本發明採用垂直突出式連接片之設計方案,在各殼體部件相對於定子定向方面尤佔優勢。藉此,可在殼體部件容置定子後,以簡單方式將其接合,亦可以極簡單之方式補償製造容差。此點尤其適用於殼體部件在一個橫向於轉子軸線的平面內進行定向的情況。由於各殼體部件之對應邊緣的連接片在安裝完畢狀態下沿水平方向觀察係彼此重疊,故而,在安裝過程中可透過該等沿垂直方向突出的連接片,來實現該等殼體部件之相對預定位。諸殼體部件在容置定子之情況下,彼此固定於二個殼體部件沿水平方向重疊的連接片所在區域,較佳藉由焊接諸連接片以實現此種固定,在此情況下,唯有透過破壞手段方能解除殼體部件間之連接。根據較佳設計方案,該等殼體部件之相對固定係藉由電阻焊而實現。此外,相較於為殼體部件配備環繞式碗形凸緣之設計方案,採用垂直突出式連接片能達到減輕重量之目的,同時,亦可在固定區域內使諸殼體部件保持儘可能小的外徑。This problem is first and basically achieved by the object of claim 1 of the patent scope, wherein the corresponding edges form tabs protruding in the vertical direction, and the tabs overlap each other in the horizontal direction in the mounted state. Preferably, in the region of the webs, the relative fixing of the housing parts is effected only in the area of the webs. This design provides an easy to install embodiment for securing the housing components to the stator. Conventional solutions use a wraparound housing wall to join the housing components and enclose the stator in a bowl-like manner. In contrast, the present invention employs a vertically protruding tab design in each housing component. It is especially advantageous in terms of orientation of the stator. As a result, the housing part can be joined in a simple manner after the housing part is accommodated, and the manufacturing tolerance can be compensated in a very simple manner. This applies in particular to the case where the housing part is oriented in a plane transverse to the rotor axis. Since the connecting pieces of the corresponding edges of the respective housing parts overlap each other in the horizontal direction when the mounting state is completed, the connecting pieces protruding in the vertical direction can be realized during the mounting process to realize the housing parts. Relatively pre-position. The housing parts are fixed to each other in the region where the connecting pieces of the two housing parts overlap in the horizontal direction in the case of accommodating the stator, preferably by welding the connecting pieces to achieve such fixing, in this case, The connection between the housing parts can be released by means of destruction. According to a preferred embodiment, the relative fixing of the housing parts is achieved by electric resistance welding. In addition, the vertical protruding connecting piece can achieve the purpose of reducing the weight compared to the design of the surrounding type bowl-shaped flange for the housing part, and at the same time, the housing parts can be kept as small as possible in the fixed area. The outer diameter.
下文(亦包括附圖說明)將主要從申請專利範圍第1項所述標的或其他申請專利範圍之特徵等幾方面對本發明之其他特徵進行說明。然而,此等特徵亦可僅對應於申請專利範圍第1項或其他各申請專利範圍之單項特徵,抑或作為獨立特徵而產生重要意義。Other features of the present invention will be described in the following, in which the description of the drawings, and the features of the scope of the patent application. However, such features may also only correspond to the individual features of claim 1 or other patent applications, or may be of an important significance as an independent feature.
根據本發明標的的一種較佳設計方案,定子具有非圓的外輪廓,其中,倒圓區及扁平區交替出現。以定子輪廓為參照,一個扁平區與旋轉方向上的相鄰扁平區之間夾90°角,其中,諸扁平區間之邊角區域被倒圓處理,且至少近似地以一個半徑值進行該倒圓處理,而其半徑則與貫穿定子的轉子軸線相關。According to a preferred embodiment of the invention, the stator has a non-circular outer contour, wherein the rounded area and the flattened area alternate. Referring to the stator profile, a flat zone is at an angle of 90° to an adjacent flat zone in the direction of rotation, wherein the corner regions of the flat sections are rounded and at least approximately one radius is used for the The circle is processed and its radius is related to the rotor axis running through the stator.
根據另一較佳設計方案,諸殼體部件之各連接片與定子之各扁平區相對應,使得,並不或至少不以彼此固定為目的與定子之倒圓邊角區相對應的殼體部件之壁外側對定子形成覆蓋。對倒圓區的此種覆蓋僅用於,視需要結合諸連接片之位於軸承支架上的連接部,而將殼體部件較佳緊密固定於定子上。此外,使該等連接片對應於定子之扁平區,可便於在接合殼體部件及定子時進行定位,而且,在倒圓邊角區採用相應設計之情況下,特別在對殼體部件進行最終固定之前,可防止安裝於定子上的殼體部件發生扭轉。According to another preferred embodiment, the connecting pieces of the housing parts correspond to the flat areas of the stator such that the housings corresponding to the rounded corner regions of the stator are not or at least not fixed for each other. The outer side of the wall of the component forms a cover for the stator. This covering of the rounded area is only used to bond the housing parts of the connecting pieces on the bearing bracket as needed, and the housing parts are preferably tightly fixed to the stator. In addition, the connecting pieces are arranged to correspond to the flat area of the stator, which facilitates positioning when joining the housing parts and the stator, and in the case of a corresponding design in the rounded corner area, in particular in the finalization of the housing parts. The housing parts mounted on the stator are prevented from twisting before fixing.
根據另一較佳設計方案,殼體部件設計為鋼板彎曲件且大致呈碗形,其中,構成軸承支架的碗底環繞承載碗緣,諸連接片沿垂直方向自由突出於碗緣之外。在連接片上,較佳為在殼體部件之每一個連接片上設一個壓製成型部,而該壓製成型部在與定子外表面,特定言之,與扁平區內之定子外表面共同作用下,形成供另一個殼體部件之反向連接片插入用的入口。與此相應,該另一個殼體部件之反向連接片插入殼體部件之連接片與定子外表面之間,使得,諸連接片與諸反向連接片無論在預安裝狀態還是在已固定狀態下,均沿水平方向彼此重疊。為此,在殼體部件上,連接片之至少部分區域徑向向外,使得,該等部分區域(特別相對於連接片連接部而言)在一個徑向向外偏移的垂直平面上延伸,根據較佳設計方案之反向連接片,則以不發生此種徑向偏移之方式,自軸承支架上的連接片連接部出發,以一垂直平面保持定向。According to a further preferred refinement, the housing part is embodied as a steel sheet bending element and has a substantially bowl shape, wherein the bowl bottom forming the bearing bracket surrounds the carrier bowl edge, and the webs protrude freely beyond the bowl edge in the vertical direction. Preferably, on the connecting piece, a press forming portion is provided on each of the connecting pieces of the housing member, and the press forming portion is formed under the action of the outer surface of the stator, specifically, the outer surface of the stator in the flat portion. An inlet for the insertion of the reverse tab of the other housing part. Correspondingly, the reverse connecting piece of the other housing part is inserted between the connecting piece of the housing part and the outer surface of the stator, so that the connecting piece and the reverse connecting piece are in a pre-installed state or in a fixed state. Down, they all overlap each other in the horizontal direction. For this purpose, at least part of the region of the web is radially outwards, so that the partial regions, in particular with respect to the web connection, extend in a radially outwardly offset vertical plane. According to the preferred embodiment, the reverse connecting piece is oriented in a vertical plane from the connecting piece connecting portion on the bearing bracket in such a manner that no such radial offset occurs.
根據較佳設計方案,諸連接片具有梯形輪廓,包括一個對應於軸承支架上之連接部的梯形下底、及一個平行於該梯形下底延伸且對應於連接片自由端的梯形上底,其中,根據較佳設計方案,此梯形輪廓既應用於殼體部件之連接片,亦應用於另一個殼體部件之反向連接片。According to a preferred embodiment, the tabs have a trapezoidal profile, including a trapezoidal lower base corresponding to the connecting portion on the bearing bracket, and a trapezoidal upper bottom extending parallel to the trapezoidal lower bottom and corresponding to the free end of the connecting piece, wherein According to a preferred embodiment, the trapezoidal profile is applied both to the connecting piece of the housing part and to the reverse connecting piece of the other housing part.
根據較佳設計方案,連接片之壓製成型部總體而言包含連接片自由端,使得,連接片自由端經由所選定的徑向突出位置,與對應的定子外表面間隔一定徑向距離,以便將該另一個殼體部件之反向連接片插入該連接片末端與該定子外表面之間的末端覆蓋。According to a preferred embodiment, the press-formed portion of the tab generally includes a free end of the tab such that the free end of the tab is spaced a radial distance from the corresponding outer surface of the stator via the selected radially projecting position so as to A reverse tab of the other housing component is inserted over the end between the end of the tab and the outer surface of the stator.
本發明亦有關於一種如申請專利範圍第1項前序部分之特徵所述的電動馬達,為了解決前述課題,本發明在此提出解決方案如下:殼體部件在一個截面縮小區域內安裝於定子之對應端面上,其中,沿周向設有三個以上彼此分離的安裝區,其中至少一個安裝區設計為可偏移。根據此設計方案,構成軸承支架的殼體部件部分在諸安裝區內安裝於定子之對應端面上,其中,諸安裝區內較佳設有局部線形的定位件,而且,沿周向的安裝長度為殼體部件之截面縮小區域之整個周長的十分之一至五十分之一。殼體部件在定子之對應端面上所受到的平面衝擊,會傳遞至由殼體部件構成的軸承支架,並進而傳遞至軸承座。若存在一定容差,則此種現象會導致用以支承轉子軸的軸承發生傾斜。軸承傾斜會在噪音形成及使用壽命(特別是軸承之使用壽命)方面產生不利影響。此問題可藉由構建至少一個可偏移的安裝區來加以解決。利用此種可偏移性,殼體部件(特別是用以承載軸承的軸承支架)可實現相對於定子的正確定向,其實現方法為,透過該至少一個安裝區之偏移,使軸承支架或軸承座在一個橫向於轉子軸線的平面內實現精確定向。此外,藉由設置至少一個可偏移安裝區,可對較佳用來構成定子的定子片之平面平行性偏差進行補償,從而避免軸承座發生傾斜。The present invention also relates to an electric motor according to the features of the preamble of claim 1, in order to solve the aforementioned problems, the present invention proposes a solution as follows: the housing member is mounted to the stator in a reduced cross-sectional area. On the corresponding end faces, wherein three or more mounting regions separated from each other are provided in the circumferential direction, at least one of which is designed to be offset. According to this design, the housing component parts constituting the bearing bracket are mounted on the corresponding end faces of the stator in the mounting areas, wherein the mounting areas are preferably provided with local linear positioning members, and the circumferentially mounted mounting lengths The cross-section of the housing member is reduced by one tenth to one-fiftieth of the entire circumference of the region. The planar impact of the housing parts on the corresponding end faces of the stator is transmitted to the bearing bracket formed by the housing parts and, in turn, to the bearing housing. If there is a certain tolerance, this phenomenon causes the bearing for supporting the rotor shaft to tilt. Bearing tilt can adversely affect noise formation and service life (especially the service life of the bearing). This problem can be solved by constructing at least one offsetable mounting area. With such an offset, the housing component (especially the bearing bracket for carrying the bearing) can achieve a correct orientation relative to the stator by implementing an offset of the at least one mounting zone to enable the bearing bracket or The bearing housing is precisely oriented in a plane transverse to the rotor axis. Furthermore, by providing at least one deflectable mounting area, the plane parallelism deviation of the stator pieces preferably used to form the stator can be compensated to avoid tilting of the bearing housing.
下文(亦包括附圖說明)將主要從申請專利範圍第7項所述標的或其他申請專利範圍之特徵等幾方面對本發明之其他特徵進行說明。然而,此等特徵亦可僅對應於申請專利範圍第7項或其他各申請專利範圍之單項特徵,抑或作為獨立特徵而產生重要意義。Other features of the present invention will be described in the following, in which the description of the drawings, and the features of the scope of the claims or other claims. However, such features may also only correspond to the individual features of claim 7 or other patent applications, or may be of an important significance as an independent feature.
根據本發明標的之一種改良方案,所有安裝區均設計為可偏移,其中,透過一或多個安裝區之偏移,特別是軸承支架及用於容置軸承的區域,可實現軸向調整,以及/抑或在一個橫向於轉子軸線之平面內實現定向。若設有多個安裝區,則可使諸安裝區具有完全不同的可偏移性,以便使殼體部件達到所需的定位。在此過程中,需進一步在容置定子之情況下,在該等有待彼此對準的殼體部件上,施加將其壓向定子之對應端面的1200至1700牛頓(較佳1500牛頓)的裝配力,其中,根據殼體部件相對於定子之定向,持續在諸殼體部件上施加裝配力,直至該等殼體部件因對應殼體部件段被焊接而不可移動地彼此相連及緊固。According to a further development of the subject matter of the invention, all of the mounting areas are designed to be offset, wherein axial adjustment is possible by offset of one or more mounting areas, in particular the bearing bracket and the area for receiving the bearing And/or achieve orientation in a plane transverse to the axis of the rotor. If a plurality of mounting zones are provided, the mounting zones can be made to have completely different offsets in order to achieve the desired positioning of the housing components. In this process, it is further necessary to apply an assembly of 1200 to 1700 Newtons (preferably 1500 Newtons) which is pressed against the corresponding end faces of the stator on the housing parts to be aligned with each other while accommodating the stator. The force, wherein the assembly force is continuously applied to the housing members according to the orientation of the housing member relative to the stator until the housing members are non-movably connected and fastened to each other by the corresponding housing member segments being welded.
根據替代設計方案,至少三個安裝區設計為不可沿軸向偏移。當殼體部件與定子之對應端面接觸時,諸安裝區可為殼體部件提供軸向預定位作用,至少一個其他的安裝區則採用可偏移設計,以補償可能的容差,藉此,避免軸承座相對於一個橫向於轉子軸線的平面發生傾斜。According to an alternative design, at least three mounting zones are designed to be non-axially offset. When the housing components are in contact with the corresponding end faces of the stator, the mounting regions provide axial pre-positioning for the housing components, and at least one other mounting region is offset to compensate for possible tolerances. Avoid tilting the bearing housing relative to a plane transverse to the rotor axis.
根據一種設計方案,一個殼體部件具有至少三個不可偏移的安裝區、及至少一個可偏移的安裝區,另一個殼體部件則僅設有(較佳四個)可偏移的安裝區。根據此設計方案,首先,可藉由使該等不可偏移的安裝區抵靠於定子之對應端面,而將包含該三個不可偏移的安裝區的殼體部件預先固定於定子上,之後,對置於定子上的二殼體部件施以將其壓向定子之對應端面的較佳1500牛頓的裝配力,其中,該一個殼體部件之其中一個不可偏移的安裝區係用於使該殼體部件橫向於轉子軸線而定向,該另一個殼體部件則透過其可偏移的安裝區,平行於第一殼體部件而定向,且同時對定子上可能出現的疊片組高度容差進行補償。諸安裝區之偏移度可各自不相同。當殼體部件處於固定位置時,亦可有一或多個可偏移的安裝區,相對於不受力的初始位置不發生位移。According to one embodiment, one housing part has at least three non-reversible mounting areas and at least one offset mounting area, and the other housing part is provided with only (preferably four) offsettable mounting Area. According to this design, first, the housing parts including the three non-shiftable mounting areas can be pre-fixed to the stator by abutting the non-removable mounting areas against the corresponding end faces of the stator, after which Applying a preferably 1500 Newton assembly force to the two housing members placed on the stator against the corresponding end faces of the stator, wherein one of the one housing members is non-removable mounting area for The housing part is oriented transverse to the rotor axis, the other housing part being oriented parallel to the first housing part through its deflectable mounting area, and at the same time heightening the stack of laminations that may occur on the stator The difference is compensated. The offsets of the mounting areas can each be different. When the housing component is in the fixed position, there may also be one or more offset mounting regions that are not displaced relative to the initial position that is unstressed.
根據較佳設計方案,軸向可偏移性係藉由安裝區之彈性而實現。安裝區在安裝過程中相應地受力時,會克服一預定彈力而發生相應偏移,使安裝區實現相對於定子之對應端面的軸向調整。根據較佳設計方案,此彈性由一簧片產生,而該簧片在相應地受力時會沿徑向發生偏移。根據另一設計方案,簧片為此在不受力的初始位置上,以產生較佳徑向向內之偏移方向的方式進行定向。較佳以與殼體部件一體成型且材料一致之方式用殼體部件材料製成的簧片,同時亦構成安裝區。根據較佳設計方案,殼體部件由較佳為鋼板的金屬材料製成,安裝區與殼體部件係一體成型,此點較佳既適用於固定的安裝區,亦適用於可偏移的安裝區。在此情況下,設計為衝壓彎曲件的殼體部件上之安裝區,較佳由多個藉由分離槽而形成的水平偏移區段所構成。該分離槽自殼體部件中分離出一個區段,特定言之,藉由將因分離槽而曝露的區段向內按壓,即可使其相對於相鄰的殼體部件區域徑向向內偏移,從而形成呈線狀抵靠於定子之對應端面上的安裝區。該分離槽較佳為水平定向,進一步沿殼體部件之旋轉方向定向,尤佳為沿一個與轉子軸線相關的圓周、或沿該圓周之切線而定向。為了透過分離槽來形成軸向可偏移的安裝區,較佳使分離槽以一定角度延伸,進一步使其與固定的安裝區一樣以一水平切口為出發點,同時在垂直方向上設置末端分離槽。以相應方式藉由成角度的分離槽而空出一個連接片,該連接片係相對於其周圍的殼體部件區域朝徑向內側偏移。According to a preferred embodiment, the axial offset is achieved by the elasticity of the mounting area. When the mounting area is correspondingly stressed during the installation process, a predetermined offset is overcome to cause a corresponding offset, so that the mounting area is axially adjusted relative to the corresponding end surface of the stator. According to a preferred embodiment, this resilience is produced by a reed which, in the event of a corresponding force, is deflected in the radial direction. According to a further refinement, the spring is oriented for this purpose in an unstressed initial position in such a way as to produce a preferably radially inwardly offset direction. Preferably, the reed is made of a material of the housing member in a manner that is integrally formed with the material of the housing and conforms to the material, and also constitutes a mounting area. According to a preferred embodiment, the housing part is made of a metal material, preferably a steel plate, and the mounting area is integrally formed with the housing part. This is preferably suitable for both the fixed mounting area and the offset mounting. Area. In this case, the mounting area on the housing part designed as a stamped and bent part is preferably formed by a plurality of horizontally offset sections formed by the separation grooves. The separation slot separates a section from the housing component, in particular by radially inwardly pressing the section exposed by the separation slot inwardly relative to the adjacent housing component region Offset to form a mounting area that is linearly abutted against the corresponding end face of the stator. The separation groove is preferably oriented horizontally and is further oriented in the direction of rotation of the housing member, particularly preferably along a circumference associated with the axis of the rotor or along a tangent to the circumference. In order to form the axially offset mounting region through the separating groove, it is preferred that the separating groove extends at an angle to further make a horizontal slit as a starting point as the fixed mounting region, and at the same time, the end separating groove is disposed in the vertical direction. . In a corresponding manner, a web is vacated by means of an angled separating groove which is offset radially inwardly relative to the region of the housing part around it.
根據較佳設計方案,由分離槽空出的區段相對於其周圍的殼體部件區域之最大水平偏移度,為馬達殼體之壁厚的數倍,特定言之,為壁厚之1.5倍至5倍。According to a preferred embodiment, the maximum horizontal offset of the section vacated by the separating groove relative to the surrounding component part of the housing is several times the wall thickness of the motor housing, in particular, 1.5 of the wall thickness. Up to 5 times.
前述申請專利範圍第1和7項之特徵無論就其自身還是就每種特徵組合而言均為發明本質所在,其中,申請專利範圍第1項及/或申請專利範圍第7項之特徵可與另一申請專利範圍之特徵或多個申請專利範圍之特徵相結合,進一步亦可與一或多個其他申請專利範圍第1和7項之單個特徵相結合。The features of items 1 and 7 of the aforementioned patent application scope are intrinsic to the essence of the invention for each feature combination, and the features of claim 1 and/or the scope of claim 7 can be The combination of features of another patent application or a plurality of features of the patent application scope may further be combined with a single feature of items 1 and 7 of one or more other patent applications.
因而根據另一較佳設計方案,諸安裝區對應於沿垂直方向突出的連接片,進一步較佳為對應於該等連接片之位於殼體部件上的連接部,從而使得安裝區在連接片根部較佳為透過分離槽而空出。與此相應,該等安裝區進一步較佳與在徑向外側形成定子之扁平區的端面相對應。Therefore, according to another preferred embodiment, the mounting areas correspond to the connecting pieces protruding in the vertical direction, and further preferably correspond to the connecting portions of the connecting pieces on the housing member, so that the mounting area is at the root of the connecting piece. Preferably, it is vacated through the separation tank. Correspondingly, the mounting areas are further preferably corresponding to the end faces of the flat regions forming the stator on the radially outer side.
若無特別說明,則前述之數字取值範圍亦包含所有中間值在內,並界定如下:特定言之,以1/10區間自下限及/或上限向另一極限調整。「及」在此係指,使二極限朝另一極限方向移動一或多個十分之一,亦即,縮小取值範圍。Unless otherwise stated, the above numerical range of values also includes all intermediate values and is defined as follows: In particular, the 1/10 interval is adjusted from the lower limit and/or the upper limit to the other limit. By "and" is meant to move the two limits one or more tenths toward the other extreme direction, i.e., to narrow the range of values.
下文將藉由展示實施例的附圖,對本發明進行詳細說明。The invention will be described in detail below by means of the drawings showing embodiments.
此處所示及所述者係為4/2磁阻馬達形式之電動馬達1。相應採用二相設計的馬達具有一個以抗扭轉方式固定於轉子軸2上的轉子3。此轉子具有兩個徑向相對佈置的轉子磁極4。當電動馬達1工作時,轉子3圍繞著由轉子軸2所界定的幾何轉子軸線x而旋轉。The electric motor 1 in the form of a 4/2 reluctance motor is shown and described herein. A correspondingly designed two-phase motor has a rotor 3 that is fixed to the rotor shaft 2 in a torsionally resistant manner. This rotor has two rotor poles 4 arranged radially opposite one another. When the electric motor 1 is in operation, the rotor 3 rotates about a geometric rotor axis x defined by the rotor shaft 2.
環繞轉子3的定子5在其靠近轉子3的徑向內側,具有四個沿轉子3之旋轉方向互成90°角的定子磁極6。此等定子磁極上均安裝有構成線圈的繞組7。The stator 5 surrounding the rotor 3 has, in the radial inner side thereof close to the rotor 3, four stator poles 6 which are at an angle of 90 to each other in the direction of rotation of the rotor 3. Windings 7 constituting the coils are mounted on the stator poles.
定子5由多個採用相同設計的定子片8之疊片所組構而成。此等定子片係藉由衝壓法以適當方式製成,使得,定子5組裝完畢後,其外壁上會產生四個自輪廓看互成90°角的扁平區9,而該等扁平區則與指向徑向內側的各定子磁極6相對應。在定子5之周向上與該等扁平區9相連的(邊角)區域10係被倒圓形處理,倒圓形半徑大體以轉子軸線x為準。The stator 5 is constructed of a plurality of laminations of stator sheets 8 of the same design. The stator sheets are formed by a stamping method in an appropriate manner, so that after the assembly of the stator 5, four flat regions 9 are formed on the outer wall at an angle of 90° from the outline, and the flat regions are The stator poles 6 directed to the radially inner side correspond to each other. The (corner) region 10 connected to the flat regions 9 in the circumferential direction of the stator 5 is rounded, and the radius of the rounded circle is generally based on the rotor axis x.
定子5容置於一個自外部包圍定子的馬達殼體11中,而該馬達殼體係由二個碗形的殼體部件12及13所構成。此等殼體部件係由鋼板製成衝壓彎曲件,且首先各具有在碗底區域形成軸承支架14的碗形區段,其中,緊連軸承支架14的區域具有圓盤形輪廓,而該輪廓包括一個圓形中央插口15,用於轉子軸2的軸承16即固定於此插口內。軸承16在此係透過彈簧圈29而支承於插口底部30。The stator 5 is housed in a motor housing 11 that surrounds the stator from the outside, and the motor housing is composed of two bowl-shaped housing members 12 and 13. The housing parts are made of stamped and bent pieces of steel sheet and each have a bowl-shaped section which forms a bearing bracket 14 in the bottom region of the bowl, wherein the area of the bearing bracket 14 has a disc-shaped contour and the contour A circular central socket 15 is included, and the bearing 16 for the rotor shaft 2 is fixed in this socket. The bearing 16 is here supported by the socket bottom 30 via a spring coil 29.
與轉子軸線x同軸定向的圓環形碗壁,在其遠離於構成為軸承支架14的碗蓋之末端,與一個徑向向外延伸的圓錐形覆蓋段17相連,而該覆蓋段之徑向末端轉變為一個至少部分與轉子軸線x同軸定向的覆蓋凸緣18。此覆蓋凸緣在殼體部件12或13之相對於定子5的對應位置上延伸,並覆蓋倒圓的定子區域10之對應邊緣區域。An annular bowl wall oriented coaxially with the rotor axis x is connected to a radially outwardly extending conical cover section 17 at its distal end away from the bowl cover formed as a bearing bracket 14, and the radial extent of the covering section The end transitions into a cover flange 18 that is at least partially oriented coaxially with the rotor axis x. This cover flange extends at a corresponding position of the housing part 12 or 13 relative to the stator 5 and covers the corresponding edge area of the rounded stator area 10.
自覆蓋段17之周向觀察,覆蓋凸緣18上連接有連接片19,該連接片在殼體部件12、13之相對於定子5的對應位置上平面平行於定子扁平區9而延伸。此連接片輪廓呈梯形,包括一個與覆蓋凸緣18之自由外緣齊高延伸的梯形下底、及一個平行於該梯形下底且在垂直方向上(即,沿在轉子軸線x之延伸方向)與覆蓋凸緣18之自由外緣間隔一定距離的梯形上底。平行分佈的二個梯形底邊之垂直間距,在此大於定子疊片組沿轉子軸線x延伸方向之厚度的一半。在此情況下,當連接片19覆蓋住轉子上之對應扁平區9時,任一連接片19之自由外緣與轉子5之相對外緣間的距離,均大致等於覆蓋凸緣18之垂直延伸度。Viewed from the circumferential direction of the covering section 17, a connecting lug 19 is attached to the covering flange 18, which web extends parallel to the stator flat section 9 at a corresponding position of the housing parts 12, 13 with respect to the stator 5. The tab has a trapezoidal profile and includes a trapezoidal lower base extending parallel to the free outer edge of the cover flange 18, and a parallel to the trapezoidal lower base in a vertical direction (ie, along the direction of the rotor axis x) a trapezoidal upper base spaced a distance from the free outer edge of the cover flange 18. The vertical spacing of the two trapezoidal base edges distributed in parallel is greater than half the thickness of the stator lamination stack in the direction of the rotor axis x. In this case, when the web 19 covers the corresponding flattened area 9 on the rotor, the distance between the free outer edge of either web 19 and the opposite outer edge of the rotor 5 is substantially equal to the vertical extent of the cover flange 18. degree.
對應於定子5上設有四個扁平區9,殼體部件12或13上設有四個連接片19。Four flat zones 9 are provided on the stator 5, and four connecting pieces 19 are provided on the casing member 12 or 13.
圖中位於上方的殼體部件12之連接片19各具有一個徑向向外延伸的壓製成型部20,其中,壓製成型部20相對於連接片19上周圍區域之徑向偏移度與殼體部件12(特別是連接片19)之材料厚度大致相符,在所選實施例中,材料厚度約為一毫米。The webs 19 of the upper housing part 12 each have a radially outwardly extending press-form 20, wherein the press-form 20 is radially offset from the surrounding area of the web 19 and the housing The material thickness of the component 12 (particularly the tab 19) is substantially uniform, and in selected embodiments, the material thickness is about one millimeter.
每個壓製成型部20總體而言包含諸連接片之自由端,且設計為雙梯形輪廓。Each press-formed portion 20 generally includes the free ends of the tabs and is designed as a double trapezoidal profile.
在殼體部件12之相對於定子5的對應位置上,包含壓製成型部20的連接片區段係以與定子扁平區9之相應寬面間隔一定徑向距離的方式延伸,由此在定子表面與壓製成型部20之內表面間分別形成一個槽形入口21。另一個殼體部件13之相對於定子5的對應位置上同樣設有(反向)連接片19,該等連接片或其連接片末端係嵌入該入口,其中,諸連接片19在設計上,尤其在梯形延伸度及相應垂直延伸度方面,均與殼體部件12之連接片19相符。然而,此處未設置壓製成型部20。事實上,殼體部件13之每一連接片19整體而言均在一個垂直平面內延伸,而該垂直平面係平行於一個沿轉子軸線x之延伸方向將其包含在內的平面。At a corresponding position of the housing part 12 relative to the stator 5, the tab segments comprising the press-formed portion 20 extend at a radial distance from the respective wide faces of the stator flat regions 9, thereby being on the stator surface A groove-shaped inlet 21 is formed between the inner surfaces of the press-formed portion 20, respectively. The other housing part 13 is also provided with a (reverse) connecting piece 19 at a corresponding position relative to the stator 5, the connecting pieces or their connecting piece ends being embedded in the inlet, wherein the connecting pieces 19 are designed, In particular, in terms of trapezoidal elongation and corresponding vertical extent, it corresponds to the web 19 of the housing part 12. However, the press molding portion 20 is not provided here. In fact, each of the webs 19 of the housing member 13 as a whole extends in a vertical plane which is parallel to a plane which is included in the direction of extension of the rotor axis x.
根據前述設計方案及佈置方式,二個殼體部件12及13之連接片19(特別是,殼體部件13之連接片自由端、及殼體部件12之壓製成型部20)在安裝位置上沿水平方向相重疊,且進一步將定子5之扁平區9覆蓋。According to the foregoing design and arrangement, the connecting pieces 19 of the two housing parts 12 and 13 (in particular, the free end of the connecting piece of the housing part 13 and the press-formed part 20 of the housing part 12) are along the mounting position. The horizontal directions overlap and the flat region 9 of the stator 5 is further covered.
此外,殼體部件12、13在安裝位置上,係在一個截面縮小區域,確切而言,係在覆蓋段17之區域內,安裝於定子5之對應端面22上。為此,覆蓋段17底側設有分別位於諸連接片19區域內的安裝區23、24。該等安裝區係經由分離槽25而從覆蓋段17之材料中形成,相應地與殼體部件12或13一體成型,且材料為一致。Furthermore, the housing parts 12, 13 are attached to the corresponding end faces 22 of the stator 5 in the region of the covering section 17 in the mounting position, in the mounting position. For this purpose, the bottom side of the cover section 17 is provided with mounting areas 23, 24 which are respectively situated in the region of the webs 19. The mounting zones are formed from the material of the covering section 17 via the separating groove 25, correspondingly formed integrally with the housing part 12 or 13, and the materials are identical.
對應於連接片19之數量,每個殼體部件12、13均具有四個此類型之安裝區,其中,圖中位於上方的殼體部件12具有三個不可偏移(即,固定)的安裝區23、及一個可偏移的安裝區24,另一個殼體部件13則僅具有可偏移的安裝區24。Corresponding to the number of webs 19, each housing part 12, 13 has four mounting areas of this type, wherein the upper housing part 12 has three non-displaceable (ie fixed) mountings. Zone 23, and an offsetable mounting zone 24, the other housing component 13 has only a deflectable mounting zone 24.
安裝區23及24係由分離槽25切割後朝徑向內側按壓而形成,由此形成多個在徑向上相對於轉子軸線x有一定水平偏移的區段,其中,透過以如此方式製成的安裝區23及24之徑向內側區段,可將殼體部件12、13支承於定子5之對應端面22上。The mounting areas 23 and 24 are formed by being cut by the separation groove 25 and pressed radially inwardly, thereby forming a plurality of sections which are horizontally offset with respect to the rotor axis x in the radial direction, wherein the transmission is made in such a manner The radially inner sections of the mounting areas 23 and 24 support the housing members 12, 13 on the corresponding end faces 22 of the stator 5.
不可偏移的安裝區23具一個水平延伸的,確切而言,係平行於對應連接片19之梯形底邊延伸的分離槽25,其中,被該分離槽切割後被按向徑向內側的區段係卡入覆蓋段17之圓錐形壁部。The non-removable mounting area 23 has a horizontally extending, in particular, a separating groove 25 extending parallel to the trapezoidal bottom edge of the corresponding web 19, wherein the area is radially inwardly cut by the separating groove The segment snaps into the conical wall portion of the cover segment 17.
可偏移的安裝區24之水平向內偏移區段,同樣深入覆蓋段17之圓錐形區域,但,與不可偏移式安裝區23不同的是,該等區段被成一定角度的分離槽25空出,從而形成簧片26。The horizontally offset portion of the deflectable mounting area 24 also covers the conical region of the segment 17, but, unlike the non-reversible mounting region 23, the segments are separated at an angle. The groove 25 is vacated to form the reed 26.
不可偏移的安裝區23之曝露區段,基本上沿垂直方向平行於連接片19而延伸,可偏移的安裝區24之簧片26則自覆蓋段17上的根部區域出發,在形成一個約10°之角度的情況下,朝徑向內側傾斜延伸。The exposed section of the non-removable mounting area 23 extends substantially parallel to the web 19 in a vertical direction, and the reed 26 of the deflectable mounting area 24 is formed from the root area on the covering section 17 to form a In the case of an angle of about 10°, it extends obliquely toward the inner side in the radial direction.
在所示實施例中,安裝區23之曝露區段或簧片26之沿相應殼體部件12、13周向的寬度,大約等於定子扁平區9沿相同方向測得之寬度的三分之一。In the illustrated embodiment, the width of the exposed section or reed 26 of the mounting zone 23 along the circumference of the respective housing component 12, 13 is approximately equal to one third of the width of the stator flat zone 9 measured in the same direction. .
安裝電動馬達1時,將轉子3插入帶繞組定子5後,藉由將轉子軸2貫穿一個中央軸承支架孔27,分別於轉子3之二個末端各安裝一個殼體部件12、13,其中,殼體部件12、13以其覆蓋段17及覆蓋凸緣18將定子5之邊緣卡住,藉此,將殼體部件12、13緊密地固定於定子5上。二個殼體部件12、13之連接片19為重疊,其中,下方殼體部件13之連接片19嵌入相應的入口21。在此之後,殼體部件12、13遂透過其安裝區23及24而分別支承於定子5之相應的端面22上。When the electric motor 1 is mounted, after the rotor 3 is inserted into the winding stator 5, a housing member 12, 13 is attached to each of the two ends of the rotor 3 by inserting the rotor shaft 2 through a central bearing bracket hole 27, wherein The housing parts 12, 13 enclose the edges of the stator 5 with their covering sections 17 and covering flanges 18, whereby the housing parts 12, 13 are tightly fixed to the stator 5. The webs 19 of the two housing parts 12, 13 are overlapped, wherein the webs 19 of the lower housing part 13 are embedded in the respective inlets 21. Thereafter, the housing parts 12, 13 are supported by respective mounting faces 23 and 24 on respective end faces 22 of the stator 5.
沿轉子軸線x之延伸方向,對殼體部件12及13施加約為1500牛頓米之裝配力P,在此裝配力之作用下,殼體部件12及13以適當方式進行定向,特定言之,其係使得軸承支架孔27及用於固定軸承16的插口15與轉子軸線x實現精確的同軸定向。此外,殼體部件12及13之定向方式另使得插入插口15的軸承16之軸向間距符合一規定尺寸。由此,可對定子5之疊片組高度方面的可能容差進行補償。Approximately 1500 Newtons of assembly force P is applied to the housing members 12 and 13 along the direction of extension of the rotor axis x, under which the housing members 12 and 13 are oriented in an appropriate manner, in particular, This results in a precise coaxial orientation of the bearing support bore 27 and the socket 15 for the fixed bearing 16 with the rotor axis x. Furthermore, the housing members 12 and 13 are oriented in such a way that the axial spacing of the bearings 16 inserted into the socket 15 conforms to a specified size. Thereby, the possible tolerances in the height of the lamination stack of the stator 5 can be compensated for.
藉由用可偏移的安裝區24來支承殼體部件12、13,可對該等殼體部件進行相對於定子5的相應調整。先以上方殼體部件12之不可偏移的安裝區23為殼體部件12提供預固定作用,隨後,在二個殼體部件12及13已定向之情況下,可偏移的安裝區24,特別是簧片26,利用簧片26所達到之彈性,使得相應的殼體部件發生用於克服容差的位移及/或傾斜,在此過程中,簧片26會或多或少進一步朝徑向內側發生偏移。By supporting the housing parts 12, 13 with the deflectable mounting area 24, the respective housing parts can be adjusted accordingly with respect to the stator 5. The housing member 12 is first pre-fixed with the non-reversible mounting area 23 of the upper housing member 12, and subsequently, the offset mounting region 24, with the two housing members 12 and 13 oriented, In particular, the reed 26, the resilience achieved by the reed 26, causes the corresponding housing component to undergo displacement and/or tilt for overcoming tolerances, during which the reed 26 will more or less further toward the path. Offset to the inside.
先透過三個不可偏移的安裝區23,使殼體部件12精確地定位於對應定子端面22所在之平面。第四個可偏移的安裝區24則可藉由可能的變形而與規定平面相匹配。The housing member 12 is accurately positioned through the three non-reversible mounting areas 23 first in the plane in which the corresponding stator end faces 22 are located. The fourth deflectable mounting area 24 can be matched to the prescribed plane by possible deformation.
在殼體部件12及13所設安裝的位置上,將重疊的連接片19焊接在一起,為此,殼體部件12之連接片19在其壓製成型部20區域內具有焊接凸起28,以便在實施電阻焊時得以實現針對性的電流傳輸。In the position in which the housing parts 12 and 13 are mounted, the overlapping webs 19 are welded together, for which purpose the web 19 of the housing part 12 has soldering projections 28 in the region of its press-formed part 20 so that A targeted current transfer is achieved when performing resistance welding.
至此,定子5在軸向及徑向上均被壓緊。At this point, the stator 5 is pressed both in the axial direction and in the radial direction.
上述設計方案之優點在於,可對定子疊片組高度容差進行補償,從而進一步降低零件容差要求。此外,亦可避免轉子軸2之軸承16發生傾斜,此點會在噪聲及使用壽命方面產生有利影響。The advantage of the above design is that the height tolerance of the stator lamination stack can be compensated to further reduce the tolerance of the parts. In addition, it is also possible to avoid the inclination of the bearing 16 of the rotor shaft 2, which has a favorable influence on noise and service life.
所有已揭示特徵(自身即)為發明本質所在。故本申請案之揭示內容亦包含相關/所附優先權文件(在先申請副本)所揭示之全部內容,該等文件所述之特徵亦一併納入本申請案之申請專利範圍。附屬項採用可選並列措辭,對本發明針對先前技術之改良方案的特徵予以說明,其目的主要在於,在該等申請專利範圍之基礎上予以區別。All the revealed features (ie, themselves) are the essence of the invention. Therefore, the disclosure of the present application also contains all the contents disclosed in the relevant/attached priority documents (copy of the prior application), and the features described in the documents are also included in the scope of the patent application of the present application. The sub-items are characterized by alternative side-by-side terms, and the features of the prior art improvements of the present invention are described, the main purpose of which is to distinguish between the scope of the patent applications.
1...電動馬達1. . . electric motor
2...轉子軸2. . . Rotor shaft
3...轉子3. . . Rotor
4...轉子磁極4. . . Rotor pole
5...定子5. . . stator
6...定子磁極6. . . Stator pole
7...繞組7. . . Winding
8...定子片8. . . Stator piece
9...(定子)扁平區9. . . (stator) flat zone
10...(定子)(角邊)區域;(定子)倒圓區10. . . (stator) (corner) area; (stator) rounded area
11...馬達殼體11. . . Motor housing
12...(上)殼體部件12. . . (top) housing parts
13...(下)殼體部件13. . . (bottom) housing parts
14...軸承支架14. . . Bearing bracket
15...插口15. . . socket
16...軸承16. . . Bearing
17...覆蓋段17. . . Coverage segment
18...覆蓋凸緣18. . . Cover flange
19...(殼體部件)連接片19. . . (housing part) connecting piece
20...壓製成型部20. . . Press molding department
21...(槽形)入口twenty one. . . (grooved) entrance
22...(定子)端面twenty two. . . (stator) end face
23...(不可偏移)安裝區twenty three. . . (non-offset) installation area
24...(可偏移)安裝區twenty four. . . (offset) mounting area
25...分離槽25. . . Separation tank
26...簧片26. . . Reed
27...軸承支架孔27. . . Bearing bracket hole
28...焊接凸起28. . . Welding bump
29...彈簧圈29. . . Spring coil
30...插口底部30. . . Socket bottom
P...裝配力P. . . Assembly force
x...轉子軸線x. . . Rotor axis
圖1為磁阻馬達形式之電動馬達之透視立體分解圖,該電動馬達包括定子、轉子、及由二個部件所構成的馬達殼體。1 is a perspective exploded perspective view of an electric motor in the form of a reluctance motor including a stator, a rotor, and a motor housing composed of two components.
圖2為電動馬達之透視立體組裝圖。2 is a perspective perspective assembled view of the electric motor.
圖3為殼體部件之安裝區之內視細部圖。Figure 3 is an internal detail view of the mounting area of the housing component.
圖4為圖3中區域IV之透視立體圖。Figure 4 is a perspective perspective view of a region IV of Figure 3.
圖5為圖3中區域V之透視立體圖,展示方式與圖4一致。Figure 5 is a perspective perspective view of the area V of Figure 3, in a manner consistent with Figure 4.
圖6為另一殼體部件之內視圖。Figure 6 is an inside view of another housing component.
圖7為沿圖2中線VII-VII所截取的剖視圖。Figure 7 is a cross-sectional view taken along line VII-VII of Figure 2.
圖8為圖7中區域VIII之放大圖。Figure 8 is an enlarged view of a region VIII of Figure 7.
圖9為圖7中區域IX之放大圖。Figure 9 is an enlarged view of a region IX in Figure 7.
1...電動馬達1. . . electric motor
2...轉子軸2. . . Rotor shaft
3...轉子3. . . Rotor
4...轉子磁極4. . . Rotor pole
5...定子5. . . stator
6...定子磁極6. . . Stator pole
7...繞組7. . . Winding
8...定子片8. . . Stator piece
9...扁平區9. . . Flat area
10...區域/定子區域10. . . Area/stator area
11...馬達殼體11. . . Motor housing
12...殼體部件12. . . Housing part
13...殼體部件13. . . Housing part
14...軸承支架14. . . Bearing bracket
15...插口15. . . socket
16...軸承16. . . Bearing
17...覆蓋段17. . . Coverage segment
18...覆蓋凸緣18. . . Cover flange
19...連接片19. . . Connecting piece
20...壓製成型部20. . . Press molding department
22...端面twenty two. . . End face
23...安裝區twenty three. . . Installation area
24...安裝區twenty four. . . Installation area
25...分離槽25. . . Separation tank
26...簧片26. . . Reed
27...軸承支架孔27. . . Bearing bracket hole
28...焊接凸起28. . . Welding bump
30...插口底部30. . . Socket bottom
x...轉子軸線x. . . Rotor axis
Claims (17)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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DE200910033119 DE102009033119A1 (en) | 2009-06-16 | 2009-06-16 | Electric motor e.g. commutator motor, has joint bars covered in installed condition in horizontal direction, and motor housing comprising housing parts whose attachment is realized to each other within region of joint bars |
Publications (2)
Publication Number | Publication Date |
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TW201106584A TW201106584A (en) | 2011-02-16 |
TWI487249B true TWI487249B (en) | 2015-06-01 |
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TW099116059A TWI487249B (en) | 2009-06-16 | 2010-05-20 | Electrical motor |
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JP (1) | JP5654262B2 (en) |
DE (1) | DE102009033119A1 (en) |
IT (1) | IT1401090B1 (en) |
TW (1) | TWI487249B (en) |
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US10601266B2 (en) | 2015-06-01 | 2020-03-24 | Tti (Macao Commercial Offshore) Limited | Brushless can motor |
WO2020200924A1 (en) * | 2019-03-29 | 2020-10-08 | Robert Bosch Gmbh | Ventilation system having an electric motor |
DE102020116661A1 (en) | 2020-06-24 | 2022-02-17 | Witzenmann Gmbh | Bearing arrangement in an electric motor, electric motor with such a bearing arrangement and use of an electric motor |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53131405A (en) * | 1977-04-22 | 1978-11-16 | Hitachi Ltd | Stator core supporting method for motor |
JPS5875437A (en) * | 1982-09-22 | 1983-05-07 | Tokyo Electric Co Ltd | Stepping motor |
TW327257B (en) * | 1995-04-03 | 1998-02-21 | Du Pont | Injection molded motor assembly and method of fabrication |
JP2001320850A (en) * | 2000-05-10 | 2001-11-16 | Mitsubishi Electric Corp | Motor and axis adjusting method |
JP2007536887A (en) * | 2004-05-07 | 2007-12-13 | シーメンス アクチエンゲゼルシヤフト | Water-cooled electric machine |
CN101399478B (en) * | 2007-09-26 | 2012-06-13 | 依必安-派特穆尔芬根股份有限两合公司 | Electric motor |
-
2009
- 2009-06-16 DE DE200910033119 patent/DE102009033119A1/en active Pending
-
2010
- 2010-05-20 TW TW099116059A patent/TWI487249B/en not_active IP Right Cessation
- 2010-05-26 JP JP2010120534A patent/JP5654262B2/en not_active Expired - Fee Related
- 2010-06-09 IT ITMI2010A001021A patent/IT1401090B1/en active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53131405A (en) * | 1977-04-22 | 1978-11-16 | Hitachi Ltd | Stator core supporting method for motor |
JPS5875437A (en) * | 1982-09-22 | 1983-05-07 | Tokyo Electric Co Ltd | Stepping motor |
TW327257B (en) * | 1995-04-03 | 1998-02-21 | Du Pont | Injection molded motor assembly and method of fabrication |
JP2001320850A (en) * | 2000-05-10 | 2001-11-16 | Mitsubishi Electric Corp | Motor and axis adjusting method |
JP2007536887A (en) * | 2004-05-07 | 2007-12-13 | シーメンス アクチエンゲゼルシヤフト | Water-cooled electric machine |
CN101399478B (en) * | 2007-09-26 | 2012-06-13 | 依必安-派特穆尔芬根股份有限两合公司 | Electric motor |
Also Published As
Publication number | Publication date |
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JP5654262B2 (en) | 2015-01-14 |
JP2011004587A (en) | 2011-01-06 |
IT1401090B1 (en) | 2013-07-12 |
TW201106584A (en) | 2011-02-16 |
ITMI20101021A1 (en) | 2010-12-17 |
DE102009033119A1 (en) | 2010-12-23 |
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