EP0440632B1 - Andrehvorrichtung für brennkraftmaschinen - Google Patents

Andrehvorrichtung für brennkraftmaschinen Download PDF

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Publication number
EP0440632B1
EP0440632B1 EP89906035A EP89906035A EP0440632B1 EP 0440632 B1 EP0440632 B1 EP 0440632B1 EP 89906035 A EP89906035 A EP 89906035A EP 89906035 A EP89906035 A EP 89906035A EP 0440632 B1 EP0440632 B1 EP 0440632B1
Authority
EP
European Patent Office
Prior art keywords
gear
ring
starter
shaft
ring gear
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
EP89906035A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0440632A1 (de
Inventor
Otto Barthruff
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 EP0440632A1 publication Critical patent/EP0440632A1/de
Application granted granted Critical
Publication of EP0440632B1 publication Critical patent/EP0440632B1/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
    • 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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S475/00—Planetary gear transmission systems or components
    • Y10S475/901—Particular material
    • Y10S475/902—Nonmetallic
    • 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
    • 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
    • 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
    • Y10T74/19—Gearing
    • Y10T74/19633—Yieldability in gear trains

Definitions

  • the invention relates to a starting device for internal combustion engines of the type defined in the preamble of claim 1.
  • the so-called gear starters with an eccentrically arranged ring gear (DE-A-31 00 869), the sleeve, which is integral with the ring gear of a countershaft, has a steep thread on which a driver is arranged so as to be screwable.
  • the driver is connected to the starter pinion via a freewheel, which sits rotatably and displaceably on the gear shaft.
  • the driver is axially displaceable by an engagement relay, as a result of which the starter pinion can engage in the toothed ring of the internal combustion engine which protrudes into its displacement path. If the starter pinion is engaged, the drive motor is switched on. This turns the starter pinion via the additional gear, the driver and the freewheel.
  • a starting device for internal combustion engines with an electric drive motor in which the ring gear and the gear shaft of the countershaft via elastic Connecting elements are coupled to one another in order to dampen or partially absorb the shocks occurring there originating from the internal combustion engine.
  • this solution has the disadvantage that only the gear shaft with the drive pinion is mounted in the housing of the starter device, so that the ring gear, which is only connected to the drive shaft via the damping members, can deflect when shocks occur.
  • the accuracy and concentricity of the ring gear meshing with the pinion of the drive motor are impaired in the long-term behavior by the transmitted shocks, which can lead to increased wear on the countershaft or even failure of the turning device.
  • the aim is to achieve better storage and shock absorption on the countershaft of the starter device in order to avoid the deficiencies shown.
  • the starting device according to the invention with the characterizing features of claim 1 has the advantage that the peaks of the shock caused by the internal combustion engine are reduced by the elastic connecting element acting as a damping, so that the risk of breakage in the parts transmitting the torque of the drive motor is reduced.
  • the damping element itself represents part of the torque transmission line, the ring gear connected to it being mounted directly in the housing. Since, according to the invention, the connecting element is designed as a ring which lies in the ring gear and surrounds the gear shaft and which is positively connected in the direction of rotation on the one hand to the ring gear and on the other hand to the gear shaft, the elastic connection of the ring gear and gear shaft can be realized in a simple manner.
  • the gear starter shown in detail and in longitudinal section in FIG. 1 as an example of a starter device for internal combustion engines has an electric drive motor 10, a countershaft 11 and a starter pinion 12, which can be engaged by means of an engagement relay (not shown here) in a toothed ring 13 of the internal combustion engine indicated in sections .
  • the housing 14, the rotor 15 and the drive shaft 16 which is fixedly connected to the rotor 15 can be seen, which is mounted in a bearing 17 in the housing cover 18 and protrudes beyond the bearing 17 at the end.
  • the end section of the drive shaft 16 carries an external toothing 19 which meshes with an internal toothing 20 inside a ring gear 21 of the countershaft 11.
  • the ring gear 21 is seated on a gear shaft 24 of the countershaft 11 in a freely rotatable manner by means of a sleeve 23 which is integrally formed on a radial flange 22.
  • the ring gear 21 with the sleeve 23 and with the gear shaft 24 accommodated therein is arranged eccentrically to the drive shaft 16 and aligned parallel thereto, the ring gear 21 with the sleeve 23 via a bearing 25 on the housing cover 18 and the gear shaft 24 at the front in the bearing 26 in a gear housing 27 flanged to the housing cover 18 is mounted.
  • the starter pinion 12, which is rotatably and longitudinally movable on the gear shaft 24, is geared to a freewheel gear 28.
  • the freewheel gear 28 is connected in a rotationally fixed manner to the gear shaft 24 via a spur toothing 29 and can be moved longitudinally on the gear shaft 24 via a lever 30, which is actuated by the engagement relay, the starter pinion 12 engaging in the ring gear 13 of the internal combustion engine.
  • the gear shaft 24 projects with an end-side cone 31 into the interior of the ring gear 21, the radial flange 22 of the ring gear 21 abutting an annular shoulder 32 which is provided on the smaller diameter end face of the bonus 31.
  • the outer surface of the frustoconical cone 31 is covered with axial teeth 33.
  • the largest diameter of the cone 31 is significantly smaller than the inside diameter of the ring gear 21.
  • the axial length of the cone 31 is less than half the depth of the ring gear 21.
  • the axial length of the end section of the drive shaft 16, which with its external toothing 19 in the internal toothing 20 which extends over the entire depth of the ring gear 21 meshes, approximately only half as large as the depth of the ring gear 21, so that the drive shaft 16 ends at a short distance from the free end face of the cone 31 of the gear shaft 24.
  • an elastic damping ring 34 for example made of rubber, which couples the ring gear 21 to the gear shaft 24 in a rotationally fixed manner.
  • the damping ring 34 engages with an external toothing 35 in a positive manner in the internal toothing 20 of the ring gear 21.
  • the inner lateral surface of the damping ring 34 corresponds to the cone 31 frustoconical and has an internal toothing 36 which projects positively between the axial teeth 33 on the outer surface of the cone 31 of the gear shaft 24 (Fig. 2). Due to the bevel gear-like course of the interlocking teeth of cone 31 and damping ring 34, which rests with an end face on the radial flange 22 and is held by a locking ring 37, the damping ring 34 is secured against axial displacement, so that the rotationally fixed connection between the ring gear 21 and Gear shaft 24 is reliably maintained.
  • the damping ring 34 reduces the peaks of the shocks caused by the internal combustion engine to be rotated, so that a risk of breakage in the drive train 10 transmitting the torque from the drive motor 10 to the starting pinion 12 is largely avoided.
  • damping ring 34 can also be injected as an elastic plastic ring.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gear Transmission (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
EP89906035A 1988-06-22 1989-05-30 Andrehvorrichtung für brennkraftmaschinen Expired - Lifetime EP0440632B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3821023 1988-06-22
DE3821023A DE3821023A1 (de) 1988-06-22 1988-06-22 Andrehvorrichtung fuer brennkraftmaschinen

Publications (2)

Publication Number Publication Date
EP0440632A1 EP0440632A1 (de) 1991-08-14
EP0440632B1 true EP0440632B1 (de) 1992-05-06

Family

ID=6356983

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89906035A Expired - Lifetime EP0440632B1 (de) 1988-06-22 1989-05-30 Andrehvorrichtung für brennkraftmaschinen

Country Status (7)

Country Link
US (1) US5127279A (pt)
EP (1) EP0440632B1 (pt)
JP (1) JPH03505359A (pt)
BR (1) BR8907513A (pt)
DE (2) DE3821023A1 (pt)
ES (1) ES2013938A6 (pt)
WO (1) WO1989012742A1 (pt)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8923765D0 (en) * 1989-10-21 1989-12-06 Magneti Marelli Electrical Torque limiting device
DE4302854C1 (de) * 1993-02-02 1994-06-09 Bosch Gmbh Robert Andrehvorrichtung für Brennkraftmaschinen
US5653144A (en) 1993-02-09 1997-08-05 Fenelon; Paul J. Stress dissipation apparatus
US5307705A (en) * 1993-02-09 1994-05-03 Fenelon Paul J Stress dissipation gear and method of making same
US5452622A (en) * 1993-02-09 1995-09-26 Magi, L.P. Stress dissipation gear
JPH0712034A (ja) * 1993-06-23 1995-01-17 Mitsuba Electric Mfg Co Ltd スタータ
FR2744767B1 (fr) * 1996-02-09 1998-03-06 Valeo Equip Electr Moteur Demarreur de vehicule automobile muni d'un pignon de lanceur et procede de montage d'un tel lanceur
US5956998A (en) 1996-06-06 1999-09-28 Fenelon; Paul J. Stress reduction gear and apparatus using same
FR2751803B1 (fr) * 1996-07-26 2003-06-13 Valeo Equip Electr Moteur Demarreur de vehicule automobile a reducteur comportant un dispositif amortisseur
US6089112A (en) * 1998-02-06 2000-07-18 Case Corporation Method and apparatus for starting an engine
JP3789641B2 (ja) * 1998-05-27 2006-06-28 三菱電機株式会社 内燃機関の絞弁制御装置
DE19832933B4 (de) * 1998-07-22 2007-10-18 Khd Humboldt Wedag Gmbh Antriebszahnritzel für einen Zahnkranz/Ritzel-Antrieb
JP3727483B2 (ja) * 1999-03-30 2005-12-14 三菱電機株式会社 内燃機関の絞弁制御装置
DE10003452A1 (de) * 2000-01-27 2001-08-09 Sig Positec Bergerlahr Gmbh & Elektromotor mit Umlaufgetriebe
JP2004084551A (ja) * 2002-08-27 2004-03-18 Yamaha Motor Co Ltd 鞍乗型乗り物における駆動装置
US20050016001A1 (en) 2003-06-24 2005-01-27 Milwaukee Electric Tool Corporation Drive mechanism and power tool
US7360464B2 (en) * 2003-12-15 2008-04-22 Automotive Components Holdings, Llc Variable rate impact and oscillation absorber in starter motors
DE102006011644A1 (de) * 2006-03-06 2007-09-13 Robert Bosch Gmbh Vorrichtung mit einem ersten Getriebeteil zum Einspuren in ein zweites Getriebeteil, insbesondere Startvorrichtung mit einem Ritzel zum Einspuren in einen Zahnkranz einer Brennkraftmaschine sowie Verfahren zum Betrieb einer derartigen Vorrichtung
US7373908B2 (en) * 2006-08-29 2008-05-20 Gm Global Technology Operations, Inc. Reduced noise engine start-stop system using traditional crank device
US20080184845A1 (en) * 2007-02-01 2008-08-07 Farrar Peter K Planetary starter apparatus and assembly method thereof
US8215212B2 (en) * 2008-06-05 2012-07-10 Pro-Cut Licensing Company, Llc On-vehicle brake lathe with indirect drive
US20090320644A1 (en) * 2008-06-30 2009-12-31 Remy International, Inc. Torque Limiter for Engine Starter
US8826547B2 (en) * 2008-11-25 2014-09-09 Robert Bosch Gmbh Impact absorption drive mechanism for a reciprocating tool
US8661924B2 (en) 2010-04-13 2014-03-04 Ford Global Technologies Starter with rock back and oscillation abosrbers
JP5811496B2 (ja) * 2011-09-15 2015-11-11 日立工機株式会社 往復運動工具
CN103603762B (zh) * 2012-06-21 2017-03-01 罗伯特·博世有限公司 用于起动内燃机的起动装置
DE102020131974B3 (de) 2020-12-02 2022-03-10 Vibracoustic Se Baugruppe mit Entkopplungsring für ein Planetengetriebe und Planetengetriebe mit Entkopplungsring

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2306539A (en) * 1940-04-19 1942-12-29 Bendix Aviat Corp Engine starter drive
US2591734A (en) * 1949-01-03 1952-04-08 Gen Electric Planetary gear construction
US2857777A (en) * 1955-02-07 1958-10-28 Gen Motors Corp Gear assembly
US3362256A (en) * 1966-03-01 1968-01-09 Garrett Corp Combination accessory drive and engine starting mechanism
DE1750089A1 (de) * 1968-03-28 1971-01-14 Olympia Werke Ag Zahnrad mit Innenverzahnung
JPS5615404Y2 (pt) * 1975-12-03 1981-04-10
FR2498392A1 (fr) * 1981-01-21 1982-07-23 Paris & Du Rhone Perfectionnements aux demarreurs electriques pour moteurs a combustion interne comportant un reducteur insere entre son moteur electrique et son lanceur
FR2521641A3 (fr) * 1982-02-17 1983-08-19 Ducellier & Cie Demarreur pour moteur a combustion interne
US4680979A (en) * 1984-12-20 1987-07-21 Mitsubishi Denki Kabushiki Kaisha Planetary gear starter
JPH01152068U (pt) * 1988-04-13 1989-10-19

Also Published As

Publication number Publication date
US5127279A (en) 1992-07-07
JPH03505359A (ja) 1991-11-21
BR8907513A (pt) 1991-06-11
WO1989012742A1 (fr) 1989-12-28
ES2013938A6 (es) 1990-06-01
DE58901354D1 (de) 1992-06-11
EP0440632A1 (de) 1991-08-14
DE3821023A1 (de) 1989-12-28

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