EP1058786B1 - Anlasser für kraftfahrzeug mit untersetzungsgetriebe mit torsionsdämpfungformenden mitteln - Google Patents

Anlasser für kraftfahrzeug mit untersetzungsgetriebe mit torsionsdämpfungformenden mitteln Download PDF

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Publication number
EP1058786B1
EP1058786B1 EP99959501A EP99959501A EP1058786B1 EP 1058786 B1 EP1058786 B1 EP 1058786B1 EP 99959501 A EP99959501 A EP 99959501A EP 99959501 A EP99959501 A EP 99959501A EP 1058786 B1 EP1058786 B1 EP 1058786B1
Authority
EP
European Patent Office
Prior art keywords
crown
starter according
toothed crown
casing
pads
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
EP99959501A
Other languages
English (en)
French (fr)
Other versions
EP1058786A1 (de
Inventor
José IZQUIERDO
Pascal Jacquin
Pierre Valot
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.)
Valeo Equipements Electriques Moteur SAS
Original Assignee
Valeo Equipements Electriques Moteur SAS
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
Application filed by Valeo Equipements Electriques Moteur SAS filed Critical Valeo Equipements Electriques Moteur SAS
Publication of EP1058786A1 publication Critical patent/EP1058786A1/de
Application granted granted Critical
Publication of EP1058786B1 publication Critical patent/EP1058786B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
    • F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
    • F02N15/04—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
    • F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
    • F02N15/04—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears
    • F02N15/043—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the gearing including a speed reducer
    • F02N15/046—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the gearing including a speed reducer of the planetary type
    • 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
    • Y10T74/00—Machine element or mechanism
    • Y10T74/13—Machine starters
    • Y10T74/131—Automatic
    • Y10T74/137—Reduction gearing

Definitions

  • the present invention relates to a vehicle starter automobile.
  • the invention relates more particularly to a starter motor vehicle of the type comprising a housing in which is arranged an electric motor whose output shaft drives in rotation a coaxial launcher with the interposition of a reducer with planetary gear comprising a crown of rigid material, internally toothed, which is housed at least partially in a housing cavity in which it is immobilized in rotation by means by cooperation of forms and which has an internally toothed cylindrical annular skirt and closed at its front axial end by a transverse wall of radial orientation pierced in its center for the passage of a gearbox output shaft.
  • the object of the invention is to propose a new design of a starter of the type mentioned above which remedies the disadvantages which have just been mentioned.
  • the invention proposes a starter, characterized in that the crown has studs molded in a flexible material, in particular an elastomeric material, which are interposed between the ring gear and portions complementary to the housing cavity to immobilize the toothed crown in rotation relative to the case and ensure a torsional damper function between these two elements.
  • FIG. 1 a starter 10 of motor vehicle of the type comprising an electric motor 12 whose rotor 14 is mounted to rotate, around an axis X-X to inside a rear part 16 of the starter housing which is completed by a front part 18 in the form of a hood.
  • the upper part of the starter 10 has a electromagnetic contactor 19 which, via a lever 20 in the form of a fork, acts in a known manner on a launcher 22 which is slidably mounted on a launcher shaft 24 coaxial with the output shaft 26 of the electric motor 12.
  • the planetary gear 34 also includes a crown 44 internally toothed inside which mesh the satellites 36 and which is immobilized in rotation relative to the starter housing 10.
  • the internal cylindrical surface of the skirt 46 is toothed and it has for this purpose a series of teeth 62 which extend over the entire axial length of the internal surface tooth 61, that is to say notably substantially to the bottom of the ring gear 44 formed by the transverse face internal 64 of the wall 50.
  • the toothed crown 44 consists essentially of a cylindrical annular skirt 46 which is open axially to its rear end 48 and whose front end is closed by a transverse wall of radial orientation 50 which is pierced in the center with a hole 52 in which, with interposition of a socket 54, is rotatably mounted the shaft of exit 42.
  • the internally toothed crown 34 is a part molded in rigid plastic which is overmolded on a metal plate 55 which extends in a transverse plane perpendicular to the X-X axis and which supports different components of starter 10 on which they are assembled by mounting screws 17 which are used in particular to fix together the rear 16 and front 18 parts of the housing of the starter and contactor 19.
  • the peripheral surface 56 of the skirt 46 of the crown 44 is a cylindrical surface and the ring gear 44 is received in a complementary hollow cylindrical cavity 58 formed in the cover 18 of the starter housing 10 and which is open axially rearward to allow insertion axial, from right to left considering Figure 1, of the ring gear 44 in the cavity 58.
  • the toothed crown 44 is a part molded in rigid or semi-rigid material, for example in material plastic or metal, this rigid body of the crown 44 constituting a core coated, in different zones, with parts molded from a flexible M2 material such as for example rubber or an elastomeric material.
  • the rigid material M1 constituting the body of the crown 44 of the planetary gear train 34 allows the transmission of forces in order to ensure the reduction of movement and the training in rotation of the starter shaft 24 by the output shaft 26 of the electric motor 12, while the molded parts in the flexible material M2 basically have functions torsional and vibration damper (s) between the train planetary 34 and the starter housing elements 10.
  • the cylindrical outer surface 63 of the skirt 46 of rigid material is coated with a peripheral layer C vibration isolation molded in flexible M2 material and which is interposed between the skirt 46 and complementary portions of cavity 58 so that the outer peripheral surface 56 of the skirt of the toothed crown 44 in contact with the element housing 18 or the outer surface of the peripheral layer C in flexible material M2.
  • the layer vibration isolation device C has a rib 66 axial orientation which is an angular indexing rib of the crown 44 in the cavity 58 of the housing in two parts 16, 18.
  • the ring gear 44 also includes pads P made by molding in flexible M2 material which provide a function torsional damper between the ring gear 44 and the box 16, 18 of the starter 10.
  • the pads P are six in number and are distributed angularly so regular around the X-X axis of the ring gear 44.
  • the studs P extend axially from back to front, i.e. right to left considering these figures, so that protrude axially beyond the mean transverse plane of the transverse wall 50, from the external transverse face 65 thereof, to be received each in an axial groove 68 formed in the housing or cavity 58 and which open out axially backwards to allow axial insertion studs P in the grooves 68.
  • each pad P is delimited by two opposite side faces 70 of generally axial orientation each of which cooperates with a facing surface portion 72 laterally delimiting a complementary axial groove 68.
  • the layer peripheral C and the pads P are produced simultaneously in a flexible molding operation M2 around the body or core of rigid material M1 of the ring gear 44.
  • the transverse wall 50 has a series of axial holes through 74 through each of which material extends flexible molding M2 of a damping pad P to constitute a foot 76 for securing the corresponding stud P on the crown toothed rigid material 44.
  • each pad P includes a lashing foot 76 but the invention is not limited to this arrangement.
  • the transverse wall 50 comprises, at the level of each stud P, a pair of link arms 78 each of which extends axially towards the rear from the outer face 65 of the wall 50 for extend inside the body of M2 material of a stud correspondent P.
  • the invention is not limited to the case where the elements in flexible M2 material are overmolded around the rigid body in material M1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Retarders (AREA)
  • Gears, Cams (AREA)

Claims (10)

  1. Kraftfahrzeuganlasser mit einem Gehäuse (18), in dem ein Elektromotor (12) mit einer Ausgangswelle (26) angeordnet ist, die eine koaxiale Einspurvorrichtung (22) unter Einfügung eines Planetengetriebes (34) drehend antreibt, das ein innen gezahntes (62) Hohlrad (44) aus einem starren Werkstoff (M1) umfaßt, das wenigstens teilweise in einer Aufnahme (58) des Gehäuses gelagert ist und das eine zylindrische ringförmige Einfassung (46) umfaßt, die innen gezahnt und an ihrem vorderen axialen Ende durch eine für den Durchgang einer Ausgangswelle (42) des Planetengetriebes in ihrer Mitte aufgebohrte (52) radial ausgerichtete Querwand (50) verschlossen ist, wobei das besagte Hohlrad (44) aus einem biegsamen Werkstoff (M2), insbesondere aus Elastomermaterial geformte Stücke (P) umfaßt, um eine Torsionsdämpferfunktion zu erfüllen, dadurch gekennzeichnet, daß die besagten Stücke (P) zwischen dem gezahnten Hohlrad (44) und formschlüssigen Abschnitten (68) der Aufnahme (58) des Gehäuses (16, 18) eingefügt sind, um das gezahnte Hohlrad (44) gegen Verdrehung im Verhältnis zum Gehäuse (18) zu sichern und eine Torsionsdämpferfunktion zwischen diesen beiden Elementen (44, 18) zu erfüllen.
  2. Anlasser nach dem vorangehenden Anspruch, dadurch gekennzeichnet, daß die zylindrische Außenfläche (63) der Einfassung (46) des gezahnten Hohlrads (44) mit einer schwingungsdämmenden Umfangsschicht (C) versehen ist, die aus dem besagten biegsamen Werkstoff (M2) geformt ist und die zwischen der Einfassung (46) und den formschlüssigen Abschnitten der als Lagerung für die Einfassung des gezahnten Hohlrads dienenden Aufnahme (58) eingefügt ist.
  3. Anlasser nach dem vorangehenden Anspruch, dadurch gekennzeichnet, daß die Dämpferstücke (P) und die schwingungsdämmende Umfangsschicht (C) durch Aufformen auf dem gezahnten Hohlrad (44) ausgeführt sind.
  4. Anlasser nach Anspruch 2, dadurch gekennzeichnet, daß das Hohlrad aus starrem Werkstoff (M1) einerseits und die Dämpferstücke (P) sowie die Umfangsdämmschicht (C) aus biegsamem Werkstoff andererseits gleichzeitig nach einer Sandwichformtechnik mit einer starren (M1) und biegsamen (M2) Formmasse hergestellt werden.
  5. Anlasser nach dem vorangehenden Anspruch, dadurch gekennzeichnet, daß sich die Dämpferstücke (P) axial nach vorn von der Außenfläche (65) der Querwand (50) des gezahnten Hohlrads (44) aus erstrecken und durch ihre axial ausgerichteten entgegengesetzten Seitenflächen (40) mit gegenüberliegenden Teilflächen (72) zusammenwirken, die jeweils paarweise eine in der Aufnahme (58) des Gehäuses (18) ausgebildete formschlüssige axiale Nut (68) seitlich begrenzen.
  6. Anlasser nach dem vorangehenden Anspruch, dadurch gekennzeichnet, daß das gezahnte Hohlrad (44) eine Reihe von Verbindungsarmen (76) umfaßt, die sich axial von der Außenfläche (65) seiner Querwand (50) aus im Innern der Dämpferstücke (P) erstrecken.
  7. Anlasser nach Anspruch 5, dadurch gekennzeichnet, daß die Querwand (50) des gezahnten Hohlrads eine Reihe von durchgehenden axialen Löchern (74) umfaßt, durch die sich jeweils biegsame Formmasse (M2) eines Dämpferstücks (P) erstreckt, um einen Befestigungsfuß (76) zur Befestigung des entsprechenden Dämpferstücks (P) auf dem gezahnten Hohlrad (44) zu bilden.
  8. Anlasser nach dem vorangehenden Anspruch, dadurch gekennzeichnet, daß die Dämpferstücke (P) winklig gleichmäßig um die Achse (X-X) des gezahnten Hohlrads (44) herum verteilt sind.
  9. Anlasser nach dem vorangehenden Anspruch, dadurch gekennzeichnet, daß die mittige Bohrung (52) des Hohlrads ein Lager für die Drehführung der Ausgangswelle (42) des Planetengetriebes (34) begrenzt und daß die Innenfläche (52) des Lagers mit einer Schwingungsdämmschicht versehen ist, die aus dem besagten biegsamen Werkstoff (M2) geformt ist und die zwischen der Innenfläche des Lagers und einem Drehführungslager (54) der Ausgangswelle eingefügt ist.
  10. Anlasser nach Anspruch 2, dadurch gekennzeichnet, daß die Umfangsdämmschicht (C) eine Rippe (66) zur Winkelverrastung des Hohlrads (44) in der Aufnahme (58) des Gehäuses (16, 18) umfaßt.
EP99959501A 1998-12-23 1999-12-20 Anlasser für kraftfahrzeug mit untersetzungsgetriebe mit torsionsdämpfungformenden mitteln Expired - Lifetime EP1058786B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9816310 1998-12-23
FR9816310A FR2787833B1 (fr) 1998-12-23 1998-12-23 Demarreur de vehicule automobile a reducteur a engrenages comportant des moyens formant amortisseur de torsion
PCT/FR1999/003209 WO2000039454A1 (fr) 1998-12-23 1999-12-20 Demarreur de vehicule automobile a reducteur a engrenages comportant des moyens formant amortisseur de torsion

Publications (2)

Publication Number Publication Date
EP1058786A1 EP1058786A1 (de) 2000-12-13
EP1058786B1 true EP1058786B1 (de) 2004-08-04

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EP99959501A Expired - Lifetime EP1058786B1 (de) 1998-12-23 1999-12-20 Anlasser für kraftfahrzeug mit untersetzungsgetriebe mit torsionsdämpfungformenden mitteln

Country Status (8)

Country Link
US (1) US6490940B1 (de)
EP (1) EP1058786B1 (de)
KR (1) KR100671579B1 (de)
CN (1) CN1205408C (de)
BR (1) BR9908154A (de)
DE (1) DE69919135T2 (de)
FR (1) FR2787833B1 (de)
WO (1) WO2000039454A1 (de)

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FR2803345B1 (fr) * 1999-12-30 2002-03-01 Valeo Equip Electr Moteur Demarreur equipe d'un dispositif amortisseur et limiteur de couple
FR2829812B1 (fr) * 2001-09-14 2003-12-19 Valeo Equip Electr Moteur Reducteur a train epicycloidal notamment pour demarreur de vehicule automobile et demarreur equipe d'un tel reducteur
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FR2850136B1 (fr) * 2003-01-21 2006-05-26 Valeo Equip Electr Moteur Procede de montage d'un anneau d'arret sur un arbre de demarreur electrique muni d'un lanceur avec butee sur cannelures
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FR2863017B1 (fr) 2003-11-28 2007-12-21 Valeo Equip Electr Moteur Demarreur de vehicule automobile a reducteur comportant des moyens d'articulation du levier de commande
FR2863016B1 (fr) 2003-11-28 2007-11-16 Valeo Equip Electr Moteur Demarreur de vehicule automobile equipe de moyens de centrage du reducteur et de culasse sur le boitier
US7360464B2 (en) * 2003-12-15 2008-04-22 Automotive Components Holdings, Llc Variable rate impact and oscillation absorber in starter motors
KR101036468B1 (ko) * 2004-05-31 2011-05-24 엘지전자 주식회사 드럼세탁기용 탑플레이트의 체결 구조
FR2881798B1 (fr) 2005-02-10 2010-08-20 Valeo Equip Electr Moteur Dispositif de demarrage d'un moteur thermique
JP4380595B2 (ja) * 2005-05-31 2009-12-09 株式会社デンソー スタータ
FR2902840B1 (fr) 2006-06-27 2013-03-29 Valeo Equip Electr Moteur Dispositif de demarrage pour moteur thermique
US8661924B2 (en) * 2010-04-13 2014-03-04 Ford Global Technologies Starter with rock back and oscillation abosrbers
DE102010047144A1 (de) 2010-09-30 2012-04-05 Schaeffler Technologies Gmbh & Co. Kg Anordnung zur Übertragung eines Drehmomentes
US20120125149A1 (en) * 2010-11-19 2012-05-24 Remy Technologies, L.L.C. Motor starter including an armature having an integral drive system
FR2969219B1 (fr) 2010-12-20 2013-01-11 Valeo Equip Electr Moteur Ensemble pour reducteur de vitesse d'une machine electrique tournante et demarreur pour moteur thermique associe
FR2978501B1 (fr) 2011-07-26 2016-03-18 Valeo Equip Electr Moteur Lanceur a friction pour engrenement avec une couronne de demarrage d'un moteur thermique et demarreur d'un moteur thermique comportant un tel lanceur
FR2978500B1 (fr) 2011-07-26 2015-03-13 Valeo Equip Electr Moteur Ensemble mobile lanceur - levier de commande pour engrenement avec une couronne de demarrage d'un moteur thermique et demarreur d'un moteur thermique comportant un tel ensemble
FR2981412B1 (fr) * 2011-10-14 2017-04-14 Valeo Equip Electr Moteur Tete de demarreur et demarreur equipe d'une telle tete
US8632254B2 (en) * 2012-04-30 2014-01-21 Honeywell International Inc. Bearing sump with bi-directional stiffness
CN103485956B (zh) * 2012-06-12 2016-02-10 罗伯特·博世有限公司 用于内燃机的起动装置
DE102012211006B4 (de) * 2012-06-27 2021-03-18 Seg Automotive Germany Gmbh Andrehvorrichtung zum Andrehen einer Brennkraftmaschine und Verfahren hierzu
FR2997732A1 (fr) 2012-11-08 2014-05-09 Valeo Equip Electr Moteur Demarreur pour moteur thermique muni d'un dispositif d'absorption des chocs par cisaillement
FR3003412B1 (fr) 2013-03-14 2016-12-09 Valeo Equip Electr Moteur Rotor de machine electrique muni d'au moins une frette de maintien des chignons du bobinage et machine electrique correspondante
FR3004496B1 (fr) 2013-04-15 2017-08-11 Valeo Equip Electr Moteur Couronne munie d'un insert pour reducteur de vitesse d'un demarreur de moteur thermique et ensemble reducteur de vitesse correspondant.
FR3013396A1 (fr) 2013-11-21 2015-05-22 Valeo Equip Electr Moteur Lanceur de demarreur de moteur thermique a couronne dentee de demarrage et demarreur comportant un tel lanceur
JP2015165114A (ja) * 2014-03-03 2015-09-17 株式会社デンソー スタータ
FR3024608B1 (fr) 2014-07-31 2018-03-02 Valeo Equipements Electriques Moteur Induit de machine electrique tournante a performances magnetiques ameliorees
FR3029364B1 (fr) 2014-11-27 2017-08-25 Valeo Equip Electr Moteur Rotor de demarreur pour vehicule automobile muni d'une couche de protection sur le talon
WO2017055731A1 (fr) 2015-09-28 2017-04-06 Valeo Equipements Electriques Moteur Rotor de démarreur pour véhicule automobile résistant a la corrosion
CN105673288B (zh) * 2015-12-14 2017-09-19 湖南罗佑发动机部件有限公司 一种发动机起动部结构
FR3049983B1 (fr) * 2016-04-08 2019-10-04 Valeo Equipements Electriques Moteur Demarreur pour moteur thermique de vehicule automobile muni d'un element de maintien precontraint
FR3049985B1 (fr) * 2016-04-08 2019-10-04 Valeo Equipements Electriques Moteur Demarreur pour moteur thermique de vehicule automobile muni d'une plaque de base comportant une surepaisseur
FR3050239B1 (fr) * 2016-04-13 2018-03-30 Valeo Equipements Electriques Moteur Demarreur pour moteur thermique de vehicule automobile muni de plots d'amortissement a forme optimisee
KR102017638B1 (ko) * 2017-12-13 2019-09-03 발레오전장시스템스코리아 주식회사 스타터

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Also Published As

Publication number Publication date
FR2787833B1 (fr) 2001-03-02
EP1058786A1 (de) 2000-12-13
DE69919135T2 (de) 2005-01-20
FR2787833A1 (fr) 2000-06-30
KR100671579B1 (ko) 2007-01-18
WO2000039454A1 (fr) 2000-07-06
CN1291259A (zh) 2001-04-11
BR9908154A (pt) 2000-10-31
KR20010041146A (ko) 2001-05-15
US6490940B1 (en) 2002-12-10
CN1205408C (zh) 2005-06-08
DE69919135D1 (de) 2004-09-09

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