EP2542774B1 - Démarreur pour moteur à combustion interne - Google Patents

Démarreur pour moteur à combustion interne Download PDF

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Publication number
EP2542774B1
EP2542774B1 EP11707134.0A EP11707134A EP2542774B1 EP 2542774 B1 EP2542774 B1 EP 2542774B1 EP 11707134 A EP11707134 A EP 11707134A EP 2542774 B1 EP2542774 B1 EP 2542774B1
Authority
EP
European Patent Office
Prior art keywords
starter
pinion
pinion shaft
shaft
securing
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.)
Not-in-force
Application number
EP11707134.0A
Other languages
German (de)
English (en)
Other versions
EP2542774A1 (fr
Inventor
Rainer Stoeckl
Stephan Kaske
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2542774A1 publication Critical patent/EP2542774A1/fr
Application granted granted Critical
Publication of EP2542774B1 publication Critical patent/EP2542774B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F02N15/06—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement
    • F02N15/062—Starter drives
    • 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
    • F02N15/022—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch
    • F02N15/023—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch of the overrunning type
    • 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
    • F02N15/022—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch
    • F02N15/025—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch of the friction type
    • 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
    • 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
    • F02N15/06—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement
    • F02N15/062—Starter drives
    • F02N15/063—Starter drives with resilient shock absorbers
    • 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
    • F02N15/06—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement
    • F02N15/062—Starter drives
    • F02N15/065—Starter drives with blocking means
    • 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
    • F02N15/06—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement
    • F02N15/067—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement the starter comprising an electro-magnetically actuated lever
    • 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
    • F02N15/06—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement
    • F02N2015/061—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement said axial displacement being limited, e.g. by using a stopper

Definitions

  • the invention relates to a starter for an internal combustion engine according to the preamble of claim 1.
  • an electric starter for an internal combustion engine which has on a pinion shaft a starter pinion which is to be brought into engagement with a ring gear of an internal combustion engine.
  • the pinion shaft is slidably connected via a clutch with an armature shaft of an electric motor and is driven in rotation by this.
  • the clutch Upon actuation of the clutch via an engagement relay, the pinion shaft is axially displaced, whereby the starter pinion on the pinion shaft engages with the ring gear of the internal combustion engine.
  • the starter pinion To ensure that when the starter pinion meshes with the ring gear of the internal combustion engine, the starter pinion retains its axial position on the pinion shaft, the position of the starter pinion on the pinion shaft must be fixed by means of suitable measures.
  • a stopping device for the advancing movement of a starter pinion is described, wherein the stop means comprises a sleeve with radially projecting collar on the armature shaft of the electric motor.
  • At one in the JP 53 055037 U disclosed starter is arranged on the armature shaft, a clamping ring in a groove, wherein the clamping ring limits the axial feed movement of the pinion shaft.
  • the invention has for its object to fix the position of a starter pinion on the pinion shaft of a starter with simple design measures.
  • the starter according to the invention for example a freely ejecting starter, is electrically driven and used to start an internal combustion engine.
  • the pinion shaft is a carrier of a starter pinion, which comes in a feed movement into engagement with a ring gear of the internal combustion engine.
  • the axial feed movement of the pinion shaft is usually triggered by an engagement relay, upon actuation of which an engagement lever advances the pinion shaft axially into the engagement position between the starter pinion and ring gear of the internal combustion engine.
  • a switching contact is usually closed and the starter motor is switched on, which as a rule drives the pinion shaft via a gear, for example a planetary gear.
  • a stop device for securing the starter pinion on the pinion shaft, which comprises a securing sleeve, which is designed as a collar sleeve and has a radially projecting collar which forms a stop for the starter pinion, which rests on the pinion shaft.
  • the securing sleeve is inserted into the end face of the pinion shaft, which is designed as a hollow shaft at least in the frontal section of the pinion shaft.
  • the radially projecting collar of the locking sleeve projects radially beyond the lateral surface of the pinion shaft and forms the stop for the starter pinion seated on the pinion shaft.
  • This embodiment has the advantage that it is possible to dispense with the blasting and retaining rings customary in the prior art, which form the stop device on the pinion shaft. As a result, a reduction of the components required for the stop device is achieved.
  • Another advantage lies in the circumferential, closed shape of the locking sleeve, whereby the locking sleeve is insensitive to speed.
  • Another advantage is the internal arrangement of the locking sleeve on the end face of the pinion shaft designed as a hollow shaft, so that an arrangement of the stop means on the outer surface of the pinion shaft omitted and the pinion shaft can be made axially shorter. In addition, no grooves for receiving a securing ring or the like must be introduced into the outer circumferential surface of the pinion shaft.
  • the pinion shaft is not continuous, but only in the region of the front side designed as a hollow shaft into which the securing sleeve is inserted.
  • the pinion shaft is designed continuously as a hollow shaft.
  • the securing sleeve forms in an advantageous embodiment at the same time a bearing bush for a drive shaft, which is accommodated in the pinion shaft.
  • the radially projecting collar of the locking sleeve is located on the front side of the pinion shaft directly.
  • the collar projects radially beyond the lateral surface of the pinion shaft and forms an axial stop for the end face of the starter pinion, which is seated on the pinion shaft.
  • both versions come into consideration, in which the end face of the starter pinion forms a flat disc on which the collar rests in stop position, as well as versions with an introduced into the face of the starter pinion ring groove for receiving the cantilever collar of the locking sleeve;
  • the last-mentioned embodiment has the advantage that the collar of the securing sleeve engaging in the annular groove permits an axially smaller design of the starter.
  • annular shoulder is formed on the inner wall of the pinion shaft, against which an axial end face of the securing sleeve.
  • the annular shoulder forms a shoulder on which the securing sleeve is axially supported.
  • connection between the locking sleeve and pinion shaft can be positive, force and / or material fit.
  • latching elements can be formed on the outer wall of the locking sleeve and the inner wall of the pinion shaft, which are latched into each other with inserted locking sleeve; This is a positive or non-positive connection.
  • the latching elements are formed, for example, as protruding latching lugs and latching recesses which engage in latching fashion in the inserted position of the securing sleeve.
  • the in the Fig. 1 and 2 illustrated starter 1 is used to start an internal combustion engine and has a pinion shaft 2, which is driven by a motor driven, not shown in the figures drive shaft by an electric motor.
  • the pinion shaft 2 is in the region of its free end side carrier of a starter pinion 3, which is designed as a separate, independent component and is seated on the lateral surface of the pinion shaft 2 and rotatably connected to the pinion shaft.
  • the pinion shaft 2 is axially advanced, whereupon the starter pinion 3, which is provided with external teeth 4, comes into meshing engagement with a ring gear of the internal combustion engine.
  • the internal combustion engine is made to run.
  • the axial position of the starter pinion 3 on the lateral surface of the pinion shaft 2 is secured on the one hand via a locking ring 5 and the other via a locking sleeve 6.
  • the securing ring 5 is formed for example as a snap ring and pushed onto the lateral surface of the pinion shaft 2. This has an outer, radially uplifting paragraph on which the locking ring 5 is applied.
  • the starter pinion 3 is supported axially on the retaining ring 5.
  • the locking sleeve 6 On the securing ring 5 opposite, axially outer side is the locking sleeve 6, which has a cylindrical portion 7 and a radially projecting collar, which has a stop for the star-terr 3 forms, the axial end face rests on the collar 8.
  • the pinion shaft 2 is designed as a hollow shaft, the cylindrical portion 7 of the locking sleeve 6 is pressed into the pinion shaft 2, whereby a secure fit of the locking sleeve is provided within the pinion shaft.
  • the radially projecting, turned-out collar 8 of the securing sleeve 6 abuts directly on the end face of the pinion shaft 2 and extends radially into the region of the starter pinion third
  • the pinion shaft 2 including starter pinion 3 has to be axially spoked out and at the same time controlled with a rotary movement. This is done via an engagement relay, which exerts a force on a driver 9 via an engagement lever, which is connected to the pinion shaft 2.
  • the pinion shaft 2 is connected via a helical thread 10 designed as an internal thread to the drive shaft, so that upon actuation of the engagement relay, the pinion shaft 2 executes both a feed movement and a rotational movement relative to the drive shaft.
  • Fig. 2 is a similar starter 1 as in Fig. 1 so that reference is made to the above embodiment with respect to the operation.
  • the locking sleeve 6 in the pinion shaft 2 modifications.
  • the cylindrical portion 7 of the locking sleeve 6 is relatively short.
  • the inwardly projecting end face of the cylindrical portion 7 abuts against an annular shoulder 12 on the inner wall of the pinion shaft 2, so that the annular shoulder 12 forms a stop for the securing sleeve 6.
  • the locking elements are designed for example as locking lugs and recesses. Due to the locking of the locking elements 13 is sufficient in principle a shorter axial length of the cylindrical portion 7.
  • the cylindrical portion 7 is additionally pressed into the pinion shaft 2.
  • annular shoulder 14 is formed, in which the radially projecting collar 8 of the locking sleeve 6 protrudes.
  • the starter pinion 3 is subjected to a force of force axially by a spring element 15, which is supported on the housing of the starter and presses the starter pinion 3 against the collar 8 of the securing sleeve.

Claims (8)

  1. Démarreur pour -un moteur à combustion interne, comprenant un arbre de pignon (2) déplaçable par rapport à un arbre d'entraînement du démarreur (1), lequel arbre de pignon constitue le support d'un pignon de démarreur (3), comprenant un dispositif de butée pour fixer axialement le pignon de démarreur (3) sur l'arbre de pignon (2), caractérisé en ce que le dispositif de butée est réalisé sous forme de douille de fixation (6) qui est introduite dans le côté frontal de l'arbre de pignon (2) réalisé au moins du côté frontal sous forme d'arbre creux, la douille de fixation (6) présentant une bride saillant radialement (8) qui forme une butée pour le pignon de démarreur (3).
  2. Démarreur selon la revendication 1, caractérisé en ce que la bride saillant radialement (8) de la douille de fixation (6) s'applique contre le côté frontal de l'arbre de pignon (2).
  3. Démarreur selon la revendication 1 ou 2, caractérisé en ce que la douille de fixation (6) est pressée dans l'arbre de pignon (2).
  4. Démarreur selon l'une quelconque des revendications 1 à 3, caractérisé en ce que des éléments d'encliquetage (13) sont formés sur la paroi de la douille de fixation (6) et sur la paroi interne de l'arbre de pignon (2), lesquels sont encliquetés les uns dans les autres lorsque la douille de fixation (6) est insérée.
  5. Démarreur selon la revendication 4, caractérisé en ce que les éléments d'encliquetage (13) sont réalisés sous forme d'ergots d'encliquetage et d'évidements d'encliquetage.
  6. Démarreur selon l'une quelconque des revendications 1 à 5, caractérisé en ce qu'un épaulement annulaire (12) est formé sur la paroi intérieure de l'arbre de pignon (2), contre lequel s'applique un côté frontal de la douille de fixation (6).
  7. Démarreur selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'un épaulement annulaire situé radialement à l'intérieur (12) est formé sur le pignon de démarreur (3), dans lequel pénètre la bride saillant radialement (8) de la douille de fixation (6).
  8. Démarreur selon l'une quelconque des revendications 1 à 7, caractérisé en ce que le pignon de démarreur (3) est fixé axialement sur l'arbre de pignon (2) sur le côté opposé à la bride (8) de la douille de fixation (6) par le biais d'une bague de fixation (5).
EP11707134.0A 2010-03-03 2011-02-23 Démarreur pour moteur à combustion interne Not-in-force EP2542774B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010002537A DE102010002537A1 (de) 2010-03-03 2010-03-03 Starter für eine Brennkraftmaschine
PCT/EP2011/052640 WO2011107379A1 (fr) 2010-03-03 2011-02-23 Démarreur pour un moteur à combustion interne

Publications (2)

Publication Number Publication Date
EP2542774A1 EP2542774A1 (fr) 2013-01-09
EP2542774B1 true EP2542774B1 (fr) 2016-01-27

Family

ID=44065534

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11707134.0A Not-in-force EP2542774B1 (fr) 2010-03-03 2011-02-23 Démarreur pour moteur à combustion interne

Country Status (5)

Country Link
EP (1) EP2542774B1 (fr)
CN (1) CN102782307B (fr)
DE (1) DE102010002537A1 (fr)
HU (1) HUE027093T2 (fr)
WO (1) WO2011107379A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016224489A1 (de) * 2015-12-22 2017-06-22 Robert Bosch Gmbh Startvorrichtung sowie Verfahren zur Montage einer Startvorrichtung

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US959831A (en) * 1909-04-02 1910-05-31 Frederick Alexander Pencil-sharpener.
AT87275B (de) * 1919-03-21 1922-02-10 Vincent Bendix Andrehvorrichtung.
GB1095067A (en) * 1964-12-11 1967-12-13 Mets Owerke Kg Closs Rauch & S Improvements in gearings for transmitting rotary motion, for example for electricallypower-driven tools
JPS564842Y2 (fr) * 1976-10-13 1981-02-02
JPS5892469U (ja) * 1981-12-17 1983-06-22 三菱電機株式会社 スタ−タの衝撃吸収機構
FR2574485B1 (fr) * 1984-11-14 1987-01-23 Paris & Du Rhone Demarreur electrique a dispositif differentiel d'avancement du lanceur
DE3808673A1 (de) 1987-03-12 1988-09-22 Mitsubishi Electric Corp Anschlag fuer das ritzel eines starters
US4785679A (en) * 1987-09-03 1988-11-22 The Toro Company Starter motor pinion assembly
FR2677710A1 (fr) * 1991-06-13 1992-12-18 Valeo Equip Electr Moteur Dispositif d'etancheite pour lanceur de demarreur d'un moteur a combustion interne, notamment pour vehicule automobile.
FR2706537B1 (fr) * 1993-06-09 1995-07-28 Valeo Equip Electr Moteur Dispositif d'étanchéité de lanceur de démarreur pour moteur à combustion interne et procédé pour la mise en Óoeuvre d'un tel dispositif.
JPH0835472A (ja) * 1994-07-22 1996-02-06 Sanshin Ind Co Ltd エンジンの始動装置
JP3815446B2 (ja) * 2003-03-11 2006-08-30 株式会社デンソー スタータ
JP4155115B2 (ja) * 2003-06-10 2008-09-24 株式会社デンソー スタータ

Also Published As

Publication number Publication date
DE102010002537A1 (de) 2011-09-08
WO2011107379A1 (fr) 2011-09-09
EP2542774A1 (fr) 2013-01-09
CN102782307A (zh) 2012-11-14
HUE027093T2 (hu) 2016-08-29
CN102782307B (zh) 2015-08-26

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