WO2011080118A2 - Démarreur pour moteur à combustion interne - Google Patents

Démarreur pour moteur à combustion interne Download PDF

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Publication number
WO2011080118A2
WO2011080118A2 PCT/EP2010/070012 EP2010070012W WO2011080118A2 WO 2011080118 A2 WO2011080118 A2 WO 2011080118A2 EP 2010070012 W EP2010070012 W EP 2010070012W WO 2011080118 A2 WO2011080118 A2 WO 2011080118A2
Authority
WO
WIPO (PCT)
Prior art keywords
pinion
stop
starter
pinion shaft
shaft
Prior art date
Application number
PCT/EP2010/070012
Other languages
German (de)
English (en)
Other versions
WO2011080118A3 (fr
Inventor
Michael Stahl
Steffen Huemmer
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
Priority to EP10795673A priority Critical patent/EP2519736A2/fr
Priority to CN2010800597084A priority patent/CN102686871A/zh
Publication of WO2011080118A2 publication Critical patent/WO2011080118A2/fr
Publication of WO2011080118A3 publication Critical patent/WO2011080118A3/fr

Links

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
    • 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
    • F02N11/00—Starting of engines by means of electric motors
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
    • F16B21/10—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts
    • F16B21/16—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts with grooves or notches in the pin or shaft
    • F16B21/18—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts with grooves or notches in the pin or shaft with circlips or like resilient retaining devices, i.e. resilient in the plane of the ring or the like; Details
    • F16B21/186—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts with grooves or notches in the pin or shaft with circlips or like resilient retaining devices, i.e. resilient in the plane of the ring or the like; Details external, i.e. with contracting action

Definitions

  • the invention relates to a starter for an internal combustion engine according to the preamble of claim 1.
  • DE 41 27 742 A1 discloses a freely ejecting starter for internal combustion engines, which has a pinion shaft mounted axially displaceably on a drive shaft with a starter pinion which interacts with a ring gear of an internal combustion engine.
  • an engagement relay is switched, which axially advances the pinion shaft via an engagement lever and simultaneously rotated, whereupon the starter pinion meshes with the pinion shaft in the ring gear of the internal combustion engine.
  • a switching contact is closed, with which a starter motor is turned on, which drives the drive shaft including the pinion shaft via a planetary gear.
  • the pinion shaft is designed as a hollow shaft in which the drive shaft is received.
  • the drive shaft For assembly, the drive shaft must be inserted axially over the free end face of the pinion shaft.
  • the axial relative movement between the drive and pinion shaft is limited by a stop, which is formed by a stop shoulder on the inner wall of the pinion shaft and a radially extended stop ring adjacent to the end face of the drive shaft.
  • the stop shoulder In the starter position with axially advanced pinion shaft, the stop shoulder abuts axially against the stop ring.
  • the invention is based on the object with simple constructive measures to run a starter for an internal combustion engine so that with little effort adaptations to different internal combustion engines are possible.
  • the inventive, freely ejecting starter for an internal combustion engine comprises a motor-driven drive shaft and a pinion shaft, which is designed as a hollow shaft and mounted on the drive shaft and axially displaceable relative to the drive shaft.
  • the pinion shaft is a carrier of a starter pinion, which latches for starting in a ring gear of an internal combustion engine.
  • For meshing the pinion shaft including the starter pinion is axially displaced on the drive shaft, wherein the axial movement is usually superimposed on a rotational movement of the pinion shaft and the starter pinion.
  • the axial displacement movement of the pinion shaft relative to the drive shaft is limited by a stop device which comprises a stop ring on the drive shaft and a stop counterpart on the pinion shaft.
  • the stop counterpart is designed as a separate, separate component which is insertable on the inside of the pinion shaft.
  • the starter pinion is designed as a Steckritzel that can be plugged onto a front-side support portion of the pinion shaft.
  • the pinion shaft can, in contrast to prior art designs, be axially and collisionally directed onto the free end side of the drive shaft. be deferred onsok.
  • the bearing, stop and securing parts are first inserted into the interior of the pinion shaft designed as a hollow shaft in the order of their later axial position, then the drive shaft is inserted.
  • This embodiment has the advantage that the pinion shaft can be slid over the axially free end face of the drive shaft, wherein the carrier section on the pinion shaft, which is the carrier of the pinion, is disposed in the ready assembled state of the free end side of the drive shaft, so that the carrier section and the aufivade starter pinion independent of the
  • Drive shaft can have selectable diameter. Thus, it is possible to choose even with small diameters of starter pinions or a small number of teeth of the starter pinion relatively large diameter of the drive shaft, whereby correspondingly higher torques between the drive shaft and the pinion shaft can be transmitted.
  • the starter pinion is thus not made in one piece with the pinion shaft, but forms a separate and self-contained component, which is postpone on the support portion of the pinion shaft and rotatably connect.
  • interchangeability of the starter pinion is given, so that different starter pinions can be used depending on the purpose and at the same time the other components of the starter, in particular the drive motor, the engagement relay, the drive shaft and the rit- sprocket wave can be maintained.
  • the starter pinion and the pinion shaft is replaced in order to achieve an adaptation to the particular application.
  • the stop device is designed independently of the feed connection between the drive shaft and pinion shaft. There are impairments in the area of the feed connection not so. So it is for example possible to realize the feed connection via a stop-free coarse thread, via which the pinion shaft is rotatably and slidably mounted on the drive shaft. In the coarse thread, the full number of coarse thread teeth is available for the transmission of the torque from the drive shaft to the pinion shaft. There are no restrictions due to a stop in the coarse thread. The stop is rather realized outside the helical thread, ie with axial distance to the coarse thread on the stop ring on the drive shaft and the stop counterpart on the pinion shaft.
  • the stop counterpart which is held on the inside of the pinion shaft, at the same time forms a bearing part, via which the pinion shaft is slidably and rotatably mounted on the drive shaft.
  • the stop counterpart thus also has a storage function in addition to the stop function.
  • the stop counterpart on the pinion shaft may be associated with an additional securing part for axial securing.
  • Both the stop counterpart and the securing part are each designed annularly, wherein the counter-impact counterpart rests directly on the lateral surface of the drive shaft or at least only a small air gap between the lateral surface and inside of the stop counterpart, whereas the securing part have a greater radial distance from the lateral surface of the drive surface can.
  • the securing part is arranged, for example, on the rear, the starter pinion axially opposite end face of the pinion shaft. The securing part secures the stop counterpart against undesired axial displacement during the axial advancing movement of the pinion shaft.
  • the stop counterpart can also be assigned a locking ring, which radially overlaps in the stop position the stop ring, which sits on the drive shaft.
  • Circlip and securing part are preferably located on axially opposite sides of the stop counterpart.
  • the circlip has the task of preventing a radial widening of the stop ring on the drive shaft due to centrifugal forces during the rotational movement of the drive shaft and pinion shaft. Since the pinion shaft is pushed axially onto the drive shaft or the drive shaft is inserted into the pinion shaft, embodiments are possible in which the end-side support portion of the pinion shaft has a diameter which is adapted to the force level to be transmitted and is less than or equal to the diameter of the Drive shaft.
  • the diameter of the support portion may be smaller than the diameter of the drive shaft.
  • the free end face of the pinion shaft is designed to be closed in the region of the support section, so that the pinion shaft designed as a hollow shaft is designed cup-shaped with a closed pot bottom.
  • the drive shaft is driven by an electric motor, wherein a gear for speed reduction is arranged between the rotor shaft of the electric drive motor and the drive shaft, in particular a planetary gear.
  • FIG. 1 is a schematic representation of a starter for an internal combustion engine in the rest position of the pinion shaft, in which the pinion shaft is in an axially retracted position to the drive shaft,
  • the starter 1 shown in FIGS. 1 and 2 is used to start an internal combustion engine and has a motor-driven drive shaft 2 and a pinion shaft 3 with a starter pinion 5.
  • the pinion shaft 3 is designed as a hollow shaft, in which the drive shaft 2 is received.
  • the pinion shaft 3 has an end-side support section 4, which is the carrier of a starter pinion 5, wherein the starter pinion 5 is designed as a separately formed by the pinion shaft 3, independent component that can be plugged onto the front-side support portion 4 of the pinion shaft 3.
  • the starter pinion 5 brought with its outer teeth 6 in engagement with a ring gear of an internal combustion engine.
  • the pinion shaft 3 is axially displaceable on the drive shaft 2 and rotatably mounted about the shaft longitudinal axis 1 1.
  • the storage takes place via two storage parts
  • a stop device which comprises a stop ring 13 designed as a snap ring on the lateral surface 21 of the drive shaft 2 and a stop counterpart, which is formed by the axially rear bearing part 8.
  • the bearing part 8 thus has a dual function: on the one hand, the storage function, on the other hand, the stop function.
  • the bearing part or stop counterpart 8 are associated with a securing part 14 and a locking ring 15, wherein securing part 14 and locking ring 15 as well as the bearing part 8 are connected to the pinion shaft 3.
  • the securing part 14 is located at the rear axial end side of the pinion shaft 3 and is annular, wherein a front portion of the securing part 14, the axially rearwardly facing end face of the bearing part 8 covers, so that the bearing part 8 is prevented from axially backwards slip.
  • the securing ring 15 is located on the securing part 14 axially opposite side of the bearing part 8 and is located directly on the end face of the bearing part 8 at.
  • the circlip 15 has a radial distance to the mantle surface 21 of the drive shaft 2, wherein in the recessed position of the pinion shaft 3 (FIG. 2) the circlip 15 lies directly above the stopper ring 13 on the mantle surface 21 of the drive shaft 2 and the stop ring 13 radial embraces. In this way, a radial expansion of the stop ring 13 due to centrifugal forces during a rotational movement of the drive shaft 2 is prevented.
  • a feed device 16 is provided which is axially opposite the front end side with the starter pinion 5 and two coarse threads 17 and 18, with the drive shaft 2 and with the Pinion shaft 3 are connected.
  • a feed device 16 is provided which is axially opposite the front end side with the starter pinion 5 and two coarse threads 17 and 18, with the drive shaft 2 and with the Pinion shaft 3 are connected.
  • About the two cooperating coarse thread 17 and 18 is a defined rotation and feed movement of
  • Pinion shaft 3 with respect to the drive shaft 2 achieved.
  • an engagement relay which exerts a force on an entrainment lever 19, which is connected to the pinion shaft 3, over which the feed and rotational movement is generated.
  • the pinion shaft 3 exerts the feed and rotational movement, whereby both the axial feed length and the angle of rotation via the coarse threads 17 and 18 are determined.
  • a switching contact is closed, whereupon an electric starter motor is turned on, the drive movement via a transmission, in particular a planetary gear, is transmitted to the drive shaft 2 and from there to the pinion shaft 3 and the starter pinion 5.
  • the electric starter motor is switched off and the pinion shaft 3 is returned by a spring 20 back to its rest position.
  • the diameter of the front, the front side of the pinion shaft 3 adjacent support portion 4, which is formed integrally with the pinion shaft 3 may be smaller than the outer diameter of the drive shaft 2.
  • the front end face of the support portion 4 may be made closed.
  • Use starter pinion 5 are pushed onto the support portion 4 with different outer diameter or a different number of teeth.
  • the axially forwardly located bearing part 7 is fastened to the inner wall 12 of the hollow cylindrical pinion shaft 3, then the drive shaft 2 including the stop ring 13 is pushed axially into the pinion shaft 3 on the lateral surface 21.
  • the securing ring 15 can either be fastened at the same time as the bearing part 8 or even before the axial insertion of the drive shaft 2 into the interior of the pinion shaft 3.
  • the annular securing part 14 is in the region of the axially rearward end face of the pinion shaft 3 attached, whereupon the rear bearing member 8 is effectively secured against axial slipping out.

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)

Abstract

L'invention concerne un démarreur pour moteur à combustion interne, qui comprend un arbre de pignon monté de manière axialement mobile sur un arbre d'entraînement et servant de support à un pignon de démarreur. Un dispositif de butée, qui est pourvu d'un anneau de butée sur l'arbre d'entraînement et d'une pièce de butée complémentaire sur l'arbre de pignon, permet la limitation axiale du mouvement d'avance de l'arbre de pignon. La pièce de butée complémentaire est réalisée sous la forme d'une pièce séparée à fixer sur la face interne de l'arbre de pignon. Le pignon de démarreur forme un pignon à emboîtement pouvant être emboîté sur une partie support côté face de l'arbre de pignon.
PCT/EP2010/070012 2009-12-29 2010-12-17 Démarreur pour moteur à combustion interne WO2011080118A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP10795673A EP2519736A2 (fr) 2009-12-29 2010-12-17 Démarreur pour moteur à combustion interne
CN2010800597084A CN102686871A (zh) 2009-12-29 2010-12-17 用于内燃机的起动机

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009055373A DE102009055373A1 (de) 2009-12-29 2009-12-29 Starter für eine Brennkraftmaschine
DE102009055373.8 2009-12-29

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US13/144,078 A-371-Of-International US9238027B2 (en) 2009-01-12 2010-01-11 Use of CB1 antagonists and/or inverse agonists for the preparation of drugs that increase motor neuron excitability
US14/978,088 Division US9592237B2 (en) 2009-01-12 2015-12-22 Use of CB1 antagonists and/or inverse agonists for the preparation of drugs that increase motor neuron excitability

Publications (2)

Publication Number Publication Date
WO2011080118A2 true WO2011080118A2 (fr) 2011-07-07
WO2011080118A3 WO2011080118A3 (fr) 2011-09-09

Family

ID=44144870

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/070012 WO2011080118A2 (fr) 2009-12-29 2010-12-17 Démarreur pour moteur à combustion interne

Country Status (4)

Country Link
EP (1) EP2519736A2 (fr)
CN (1) CN102686871A (fr)
DE (1) DE102009055373A1 (fr)
WO (1) WO2011080118A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103573523A (zh) * 2012-07-09 2014-02-12 罗伯特·博世有限公司 用于内燃机的自由悬臂式起动装置
FR3038157A1 (fr) * 2015-06-26 2016-12-30 Valeo Equip Electr Moteur Demarreur de moteur thermique de vehicule automobile muni d'un embrayage a configuration amelioree

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105626344B (zh) 2014-10-27 2019-10-18 法雷奥电机设备公司 具有空气通风孔的机动车辆燃烧发动机起动器
DE102016224489A1 (de) * 2015-12-22 2017-06-22 Robert Bosch Gmbh Startvorrichtung sowie Verfahren zur Montage einer Startvorrichtung

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4127742A1 (de) 1991-08-22 1993-02-25 Bosch Gmbh Robert Freiausstossender starter fuer brennkraftmaschinen

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE646610C (de) * 1933-09-13 1937-06-22 Eclipse Machine Co Anlasserantrieb
GB755595A (en) * 1954-10-20 1956-08-22 Simms Motors Units Ltd Improvements in or relating to engine starter drives
JPH0649908Y2 (ja) * 1988-01-21 1994-12-14 三菱電機株式会社 スタータ装置
JPH0296474U (fr) * 1989-01-18 1990-08-01
JPH0882273A (ja) * 1994-09-13 1996-03-26 Mitsubishi Electric Corp スタータ装置
FR2747741B1 (fr) * 1996-04-23 1998-05-22 Valeo Equip Electr Moteur Demarreur de vehicule automobile a pignon sortant
DE10153174A1 (de) * 2001-10-27 2003-05-08 Bosch Gmbh Robert Schraubtrieb-Startvorrichtung zum Andrehen von Brennkraftmaschinen
EP2072807B1 (fr) * 2007-12-17 2011-02-02 Ford Global Technologies, LLC Agencement de démarrage pour moteur à combustion interne
DE102008040106A1 (de) * 2008-07-03 2010-01-07 Robert Bosch Gmbh Starter für eine Brennkraftmaschine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4127742A1 (de) 1991-08-22 1993-02-25 Bosch Gmbh Robert Freiausstossender starter fuer brennkraftmaschinen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103573523A (zh) * 2012-07-09 2014-02-12 罗伯特·博世有限公司 用于内燃机的自由悬臂式起动装置
FR3038157A1 (fr) * 2015-06-26 2016-12-30 Valeo Equip Electr Moteur Demarreur de moteur thermique de vehicule automobile muni d'un embrayage a configuration amelioree

Also Published As

Publication number Publication date
WO2011080118A3 (fr) 2011-09-09
CN102686871A (zh) 2012-09-19
EP2519736A2 (fr) 2012-11-07
DE102009055373A1 (de) 2011-06-30

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