EP0991805B2 - Dispositif d'entrainement pour lave-linge - Google Patents

Dispositif d'entrainement pour lave-linge Download PDF

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Publication number
EP0991805B2
EP0991805B2 EP98929430A EP98929430A EP0991805B2 EP 0991805 B2 EP0991805 B2 EP 0991805B2 EP 98929430 A EP98929430 A EP 98929430A EP 98929430 A EP98929430 A EP 98929430A EP 0991805 B2 EP0991805 B2 EP 0991805B2
Authority
EP
European Patent Office
Prior art keywords
support part
stator support
rotor
drive device
bell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP98929430A
Other languages
German (de)
English (en)
Other versions
EP0991805A1 (fr
EP0991805B1 (fr
Inventor
Klaus Bierbach
Reinhard Heyder
Jörg SKRIPPEK
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7833159&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0991805(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP0991805A1 publication Critical patent/EP0991805A1/fr
Publication of EP0991805B1 publication Critical patent/EP0991805B1/fr
Application granted granted Critical
Publication of EP0991805B2 publication Critical patent/EP0991805B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30—Driving arrangements 
    • D06F37/304—Arrangements or adaptations of electric motors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49009—Dynamoelectric machine

Definitions

  • the invention relates to a drive device for a washing machine with a mounted inside a bearing sleeve of a bottom wall of a tub, rigid carrying star via an at least approximately horizontal shaft mounted laundry drum, wherein the drive means is mounted on the back of the tub and a flat motor with a St Sertragteil and exciter windings and with a rotor and magnetizable poles and drives the laundry drum directly.
  • the stator support part consists of an insulating part, on which the excitation windings are mounted.
  • the insulating part is annular and pushed onto the bearing sleeve of the supporting star.
  • the bell-shaped rotor surrounds this mounting unit and is fastened with a screw cap on the shaft journal of the laundry drum, which projects beyond the bearing sleeve to the rear.
  • the invention has for its object to design the initially defined drive device so that the engine ready pre-assembled and tested at the factory for washing machines can be delivered without the installation of the engine to the washing machine still requires intervention, the compliance of the could endanger the proper operation of the engine required tolerances. In addition, this should be accompanied by a simplification of assembly in the washing machine plant.
  • this object is achieved by a drive device according to claim 1.
  • the engine can be assembled and tested in the manufacturer's factory equipped for this purpose before it can be used by a user, e.g. the work of a washing machine manufacturer, is delivered.
  • a particularly advantageous embodiment of the invention is characterized in that the rotor has the shape of a bell whose centric part is formed as a flat disc and on a circle with the same radius access holes as the stator support part mounting holes and how the star has threaded holes for mounting the motor on the star.
  • the drive device according to the invention can be advantageously developed in such a way that the stator support part is formed by a laminated core ring for the field windings.
  • the laminated core ring on the side facing the carrier star can be provided with a dish-shaped ring whose outer edge extends over a labyrinth seal to the bell edge.
  • Both of the above embodiments also have the advantage that for the locking screws and pins no other holes must be present in the rotor bell than that for the attachment of the engine to the star carrier.
  • the locked motor is first connected via its rotor bell with the shaft journal of the laundry drum. Then, a locking pin or one of the locking screws is pulled out and searched for the supporting star hole hole covering rotational position of the engine and in the a vacant hole screwed a mounting screw Thereafter, the process in sequence with all holes.
  • the drive device according to the invention is advantageously best protected by the fact that the stator support part extends beyond the excitation windings out and forms its edge together with the bell a labyrinth seal.
  • the excitation windings and poles can be better protected in the direction of the center of rotation by a development of the invention, in which the stator support member and / or the bell is provided on the side facing the gap with a circumferential collar which is connected to the counterpart on the Bell or at the stator bearing part forms a labyrinth seal.
  • stator support part has a central guide sleeve which can be placed on a defined outer sliding fit on an outer cylinder of the bearing sleeve of the support star.
  • This design facilitates the installation of the motor to the washing machine in that the still locked motor can be placed securely on the bearing sleeve with its guide sleeve, so that the central bore for the attachment of the rotor bell is automatically centered on the shaft journal.
  • the starlet 1 is three-jet. Its upwardly directed beam 2 lies in the plane of the drawing of Figs. 1, 3. The two downwardly directed rays point backwards or forwards out of the plane of the drawing and are therefore not shown.
  • the carrier star 1 is fastened by means not shown screws on the rear bottom wall 3 of the tub.
  • a bearing sleeve 5 with bearings.
  • a mounting flange 6, to which the motor 7 can be screwed extending in Fig. 1 and 3 in the same direction starting from the star carrier 1, a mounting flange 6, to which the motor 7 can be screwed.
  • the motor 7 shown in Fig. 1 and 2 has a plate-shaped stator support member 8, the outer edge 9 extends to the edge of the rotor bell 10 and together with it forms a labyrinth seal 11.
  • the field windings 13 are distributed with their laminations 14 on the circumference. They are opposed by an air gap to the magnetizable poles 15, which are fastened to the inner circumference of the bell rim 16 of the rotor 10.
  • the stator support part 8 has on its surface facing the rotor 10 a ring of Arret istsaugen 17, which extend to just before the inner surface of the rotor bell 10.
  • Your locking holes 18 are smooth-walled or threaded at 19.
  • locking pins 20 are inserted for transport, which correspond with corresponding locking holes 21 in the rotor bell 10.
  • At least one - better two or more - the locking eyes 17 has threaded holes 19 for screwing locking screws 22, with which the transport position can be fixed immovably.
  • a spacer sleeve 23 is inserted before screwing the locking screws 22.
  • the rotor bell of this motor 7 is attached to the threaded stub 24 of the shaft journal 4, screwed and secured in a manner not shown by means of a screw in the position in which the stator support member 8 rests on the attachment eyes 6 of the support star 1.
  • the mounting holes 25 are brought in the stator support member 8 with the attachment eyes 6 for Dekkung and screwed fastening screws 26.
  • As access to the mounting screws 26 serve the machining openings 27 in the Läuferglokke 10.
  • locking pins 20 and locking screws 22 are turned off and removed the spacers 23. Locking pins 20 and screws 22 and the Spacers 23 can be returned as return point to the engine plant.
  • the basic structure of the motor according to FIGS. 3 and 4 and its connection to the carrier star is similar to that of FIGS. 1 and 2.
  • the stator carrier 8 according to FIGS. 1 and 2 is omitted or formed by the laminated core 28; which is composed of individual annular laminations.
  • the laminated core also extends further into the center of rotation than the laminated core 14 of the motor 7 in Fig. 1 and 2, because on a center closer to the center of rotation, the laminated core is provided with mounting holes 29, by means of which the motor 30 on the fastening eyes 31 of the supporting star 1 can be mounted by screws 26.
  • a plate-shaped ring 32 is attached to the laminated core also attached, which may also consist of sheet metal or plastic.
  • the mounting holes 29 are not only used to attach the motor 30 to the star carrier 1 but also to fix the engine parts (stator and rotor) to each other before installing the motor 30.
  • the mounting holes 29 or a part of them are provided with internal thread. Its core diameter is at least as large as the nominal diameter of the mounting screws 26. The nominal diameter of the internal thread but corresponds exactly to that of locking screws 35 with which the engine parts are determined.
  • 26 spacers 37 are further used in the processing openings 36 for access to the fastening screws, which hold a defined distance between the rotor bell 10 and the laminated core 28 when the locking screws 35 are screwed into the thread of the mounting holes 29.
  • a part of the holes of this circle can serve only as mounting holes 29 and another part as locking holes.
  • These two types of holes can also be located on circles with different radii for easier identification.
  • the holes in the rotor bell 10 may also have different diameters, e.g. the machining holes 36 have a larger diameter than that provided for the spacers 37 holes.
  • the rotor bell 10 is first screwed onto the threaded stub 24 until the outer surface of the ring 32 comes to rest on the fixing eyes 31. Then this position is secured in relation to the shaft journal 4 (screw o. ⁇ .). If the fastening holes are different from the locking holes, only the fastening screws 26 are now rotated through the machining holes 36 into the fastening eyes 31. Then the locking screws 36 and the spacers 37 are removed and returned to the manufacturer of the engine. If the mounting holes and the locking holes are the same, only some, z. Three; the holes used for locking by means of the spacers 37 and the locking screws 35.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Motor Or Generator Frames (AREA)

Claims (7)

  1. Dispositif d'entraînement pour une machine à laver, comprenant un tambour à linge monté, par le biais d'un arbre (4) au moins à peu près horizontal, à l'intérieur d'un support cylindrique (5) d'une étoile de support (1) rigide installée sur une paroi de fond (3) d'un réservoir à lessive, le dispositif d'entraînement pouvant être monté sur le côté arrière du réservoir à lessive et étant formé par un moteur plat (7) qui comprend une partie de support de stator (8) et des enroulements d'excitation (13) ainsi qu'un rotor (10) et des pôles (15) magnétisables, et entraînant directement le tambour à linge, caractérisé en ce que la partie de support de stator (8, 28) et le rotor (10) du moteur (7, 30) sont reliés l'un à l'autre de manière amovible au moyen d'au moins une vis d'arrêt (22, 35), pour la durée de son transport jusqu'au montage définitif sur la paroi de fond (3) du réservoir à lessive, avec une position relative de la partie de support de stator (8, 28) par rapport au rotor (10) qui correspond à la position de marche, la partie de support de stator (8, 28) et le rotor (10) ayant des gabarits de trous identiques et au moins un alésage (19, 29) du gabarit de trous dans la partie de support de stator (8, 28) étant pourvu d'un filetage pour la vis d'arrêt (22, 35) vissée depuis le rotor (10).
  2. Dispositif d'entraînement selon la revendication 1, caractérisé en ce qu'au moins un (18, 29) des alésage du gabarit de trous dans la partie de support de stator (8, 28) est exécuté de manière à avoir le même diamètre que les alésages du rotor (10), possède une paroi lisse et est pourvu d'une cheville d'arrêt (20) pour assurer l'immobilisation pendant le transport.
  3. Dispositif d'entraînement selon l'une des revendications 1 ou 2, caractérisé en ce que le rotor (10) a la forme d'une cloche dont la partie centrale est exécutée en tant que disque plat et est pourvue d'alésages d'accès (27, 36) situés sur un cercle de même rayon que la partie de support de stator (8, 28) avec ses alésages de fixation et que l'étoile de support (1) avec ses trous taraudés, en vue du montage du moteur (7, 30) sur l'étoile de support (1).
  4. Dispositif d'entraînement selon une des revendications 1 à 3, caractérisé en ce que la partie de support de stator est formée par une couronne (28) d'empilages de tôles pour les enroulements d'excitation (13).
  5. Dispositif d'entraînement selon la revendication 4, caractérisé en ce que la couronne (28) d'empilages de tôles est pourvue, sur le côté tourné vers l'étoile de support (1), d'une bague (32) ayant une forme semblable à une assiette, dont le bord extérieur rejoint le bord (16) de la cloche par le biais d'une garniture à labyrinthe (11).
  6. Dispositif d'entraînement selon une des revendications 1 à 3, caractérisé en ce que la partie de support de stator (8) s'étend au-delà des enroulements d'excitation (13) et son bord (9) forme une garniture à labyrinthe (11) avec celui de la cloche (16).
  7. Dispositif d'entraînement selon la revendication 6, caractérisé en ce que la partie de support de stator (8, 28) et/ou la cloche (10) est/sont pourvue/s, sur le côté tourné vers l'espace intermédiaire, d'une collerette périphérique (17, 34) qui forme une garniture à labyrinthe (33) avec la partie opposée sur la cloche (10) resp. sur la partie de support de stator (8, 28).
EP98929430A 1997-06-20 1998-06-08 Dispositif d'entrainement pour lave-linge Expired - Lifetime EP0991805B2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19726246A DE19726246A1 (de) 1997-06-20 1997-06-20 Antriebsvorrichtung für eine Waschmaschine
DE19726246 1997-06-20
PCT/EP1998/003422 WO1998059102A1 (fr) 1997-06-20 1998-06-08 Dispositif d'entrainement pour lave-linge

Publications (3)

Publication Number Publication Date
EP0991805A1 EP0991805A1 (fr) 2000-04-12
EP0991805B1 EP0991805B1 (fr) 2002-01-16
EP0991805B2 true EP0991805B2 (fr) 2007-01-03

Family

ID=7833159

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98929430A Expired - Lifetime EP0991805B2 (fr) 1997-06-20 1998-06-08 Dispositif d'entrainement pour lave-linge

Country Status (6)

Country Link
US (1) US6131422A (fr)
EP (1) EP0991805B2 (fr)
DE (2) DE19726246A1 (fr)
ES (1) ES2172155T5 (fr)
TR (1) TR199903158T2 (fr)
WO (1) WO1998059102A1 (fr)

Families Citing this family (29)

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Publication number Priority date Publication date Assignee Title
DE19755537A1 (de) * 1997-12-13 1999-06-17 Fhp Motors Gmbh Transportsicherung für einen Motorbausatz eines kollektorlosen Gleichstrommotors als Außenläufermotor
DE19819410A1 (de) * 1998-04-30 1999-12-30 Miele & Cie Verfahren zur Herstellung eines Wäschebehandlungsgeräts bzw. zur Montage eines Antriebsmotors bei einem solchen Wäschebehandlungsgerät
DE19859567A1 (de) * 1998-12-22 2000-06-29 Bsh Bosch Siemens Hausgeraete Antriebsvorrichtung für eine von vorn beschickbare Waschmaschine
DE19922611A1 (de) * 1999-05-17 2000-11-23 Bsh Bosch Siemens Hausgeraete Antriebsvorrichtung für eine Waschmaschine
DE19922610A1 (de) * 1999-05-17 2000-11-23 Bsh Bosch Siemens Hausgeraete Antriebsvorrichtung für eine Waschmaschine
TW472094B (en) * 1999-05-19 2002-01-11 Toshiba Corp Rolling drum type washing machine
AU782017B2 (en) 1999-10-18 2005-06-30 Lg Electronics Inc. A driving unit for a drum type washing machine
AU753411B2 (en) 1999-10-19 2002-10-17 Lg Electronics Inc. Structure of driving unit in drum type washing machine
DE19960501A1 (de) * 1999-12-15 2001-06-21 Bsh Bosch Siemens Hausgeraete Laugenbehälter für eine Waschmaschine
DE19963703A1 (de) 1999-12-29 2001-07-05 Bsh Bosch Siemens Hausgeraete Antriebsvorrichtung für eine Waschmaschine
DE10060940A1 (de) * 2000-12-07 2002-06-13 Bsh Bosch Siemens Hausgeraete Motor und Verfahren zur Montage
JP3994673B2 (ja) * 2001-02-28 2007-10-24 松下電器産業株式会社 ブラシレスモータ
JP3771219B2 (ja) 2001-04-02 2006-04-26 エルジー エレクトロニクス インコーポレイティド 洗濯機用モーター
JP2002315245A (ja) * 2001-04-09 2002-10-25 Moric Co Ltd 永久磁石式発電機のロータ
KR20050119269A (ko) * 2004-06-16 2005-12-21 삼성전자주식회사 드럼세탁기
KR20060027678A (ko) * 2004-09-23 2006-03-28 삼성전자주식회사 세탁기
US7342334B2 (en) * 2004-10-29 2008-03-11 Emerson Electric Co. Insulated stator with wire routing element
KR101022222B1 (ko) * 2004-11-17 2011-03-17 삼성전자주식회사 세탁기
KR101187068B1 (ko) * 2005-06-30 2012-09-27 엘지전자 주식회사 드럼세탁기의 터브 구조
EP1795641A1 (fr) * 2005-12-06 2007-06-13 Electrolux Home Products Corporation N.V. Machine à laver le linge à usage domestique avec moteur d'entrainement compact
DE102007030508B4 (de) * 2007-06-30 2014-10-16 Schaeffler Technologies Gmbh & Co. Kg Waschmaschinen-Direktantrieb
KR101387882B1 (ko) * 2007-10-31 2014-04-29 엘지전자 주식회사 모터 및 그 모터를 이용하는 세탁기
PL2119819T3 (pl) 2008-05-14 2013-08-30 Whirlpool Co Pralka z systemem napędu bezpośredniego
US8405268B2 (en) 2010-02-18 2013-03-26 Nidec Motor Corporation Stator with monolithic mounting bosses and assembly comprising the same
DE102012203953A1 (de) * 2012-03-14 2013-09-19 Zf Friedrichshafen Ag Kupplungsaktuator und Verfahren zum Einbauen eines Kupplungsaktuators
US8907385B2 (en) 2012-12-27 2014-12-09 Taiwan Semiconductor Manufacturing Company, Ltd. Surface treatment for BSI image sensors
DE102013000417A1 (de) * 2013-01-14 2014-07-17 Dorma Gmbh & Co. Kg Antriebseinheit, inbesondere für eine Karusseltür, mit einem elektronisch kommutierten Vielpolmotor
US11108298B2 (en) * 2016-08-05 2021-08-31 Nidec Corporation Motor
US11346032B2 (en) * 2019-11-11 2022-05-31 Haier Us Appliance Solutions, Inc. Washing machine appliance and motor assembly therefor

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3539851A (en) † 1968-10-11 1970-11-10 Reliance Electric Co Dynamoelectric machine stator mounting
DE3401776A1 (de) † 1984-01-19 1985-08-01 Papst-Motoren GmbH & Co KG, 7742 St Georgen Kollektorloser gleichstrommotor mit eisenloser statorwicklung
DE3927426A1 (de) † 1989-08-19 1991-02-21 Mulfingen Elektrobau Ebm Antriebseinheit fuer eine waesche-behandlungsmaschine
EP0779388A2 (fr) † 1995-12-11 1997-06-18 Bosch-Siemens HausgerÀ¤te GmbH Dispositif d'entraînement pour machine à laver à chargement frontal
EP0988411B1 (fr) † 1997-06-12 2002-10-02 BSH Bosch und Siemens Hausgeräte GmbH Dispositif d'entrainement pour un lave-linge

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NL291769A (fr) * 1962-04-19
US3254545A (en) * 1963-10-08 1966-06-07 Fichtel & Sachs Ag Dual-speed transmission for a washing machine
US3484934A (en) * 1967-08-28 1969-12-23 Emerson Electric Co Method of manufacturing dynamoelectric machine
EP0082828B1 (fr) * 1981-12-18 1987-02-04 Institut Cerac S.A. Machine à laver
JPH06168429A (ja) * 1992-11-30 1994-06-14 Matsushita Electric Ind Co Ltd 回転シリンダの着脱方法
DE4335966C2 (de) * 1993-10-21 1998-07-16 Fhp Motors Gmbh Antriebsvorrichtung für eine Wasch- oder eine ähnliche Maschine mit einem kollektorlosen Gleichstrommotor
DE19547745A1 (de) * 1995-12-20 1997-06-26 Bosch Siemens Hausgeraete Antriebsvorrichtung für eine von vorn beschickbare Waschmaschine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3539851A (en) † 1968-10-11 1970-11-10 Reliance Electric Co Dynamoelectric machine stator mounting
DE3401776A1 (de) † 1984-01-19 1985-08-01 Papst-Motoren GmbH & Co KG, 7742 St Georgen Kollektorloser gleichstrommotor mit eisenloser statorwicklung
DE3927426A1 (de) † 1989-08-19 1991-02-21 Mulfingen Elektrobau Ebm Antriebseinheit fuer eine waesche-behandlungsmaschine
EP0779388A2 (fr) † 1995-12-11 1997-06-18 Bosch-Siemens HausgerÀ¤te GmbH Dispositif d'entraînement pour machine à laver à chargement frontal
EP0988411B1 (fr) † 1997-06-12 2002-10-02 BSH Bosch und Siemens Hausgeräte GmbH Dispositif d'entrainement pour un lave-linge

Also Published As

Publication number Publication date
ES2172155T3 (es) 2002-09-16
US6131422A (en) 2000-10-17
DE19726246A1 (de) 1998-12-24
WO1998059102A1 (fr) 1998-12-30
ES2172155T5 (es) 2007-08-16
EP0991805A1 (fr) 2000-04-12
DE59802647D1 (de) 2002-02-21
EP0991805B1 (fr) 2002-01-16
TR199903158T2 (xx) 2001-03-21

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