EP2472101A1 - Dispositif de sécurisation d'un pignon - Google Patents

Dispositif de sécurisation d'un pignon Download PDF

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Publication number
EP2472101A1
EP2472101A1 EP11191095A EP11191095A EP2472101A1 EP 2472101 A1 EP2472101 A1 EP 2472101A1 EP 11191095 A EP11191095 A EP 11191095A EP 11191095 A EP11191095 A EP 11191095A EP 2472101 A1 EP2472101 A1 EP 2472101A1
Authority
EP
European Patent Office
Prior art keywords
electric machine
pinion
roller collar
freewheel
starter
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.)
Granted
Application number
EP11191095A
Other languages
German (de)
English (en)
Other versions
EP2472101B1 (fr
Inventor
Thomas Botzenhard
Rainer Stoeckl
Stephan Kaske
Michael Stahl
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.)
SEG Automotive Germany 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 EP2472101A1 publication Critical patent/EP2472101A1/fr
Application granted granted Critical
Publication of EP2472101B1 publication Critical patent/EP2472101B1/fr
Active 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
    • 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
    • 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
    • F02N15/022—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch
    • F02N15/026—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch of the centrifugal 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
    • F02N15/028—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch of the jaw 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

Definitions

  • the starter assembly includes an electric motor housed in a motor housing. Furthermore, the starter assembly includes a central support member coaxially attached to an end portion of the motor housing and defining a cylindrical chamber. In this is a planetary gear reducer unit lying between the central support member and an end plate of the motor housing. Furthermore, a sprocket cover is provided, which is attached to the same longitudinal end of the electric motor, as the central support member and a chamber bounded, in which an overrunning clutch is arranged. This has an input part connected to a driven part of the planetary gear reducer unit and an output part carrying the pinion.
  • One of the two parts which are formed by an internal gear of the Planetenrad- Untersetzergetriebeech and the sprocket cover is provided with a projection which extends through an opening formed in the central support member.
  • the projection engages in a recess which is provided in the other of the two parts, which are formed by the inner ring gear of the planetary gear reducer unit and the sprocket cover.
  • US 5,237,882 refers to a starting device. According to this solution, there is a coupling between a ring element, which is embedded in a groove. The ring element is provided with sufficient radial dimension, so that this cooperates with a driven coupling element.
  • a split formed holding disc is placed in the undercut of Andrehritzels and used a separated from the pinion roller collar.
  • the fixation of the Andrehritzels takes place in the proposed solution according to the invention in the assembly of the freewheel through the split formed retaining disc in the axial direction.
  • a spring or a spring element, which act on the starter pinion, is protected due to the internal installation from excessive centrifugal forces.
  • the starter pinion is compared to the roller collar is a separate component, which are displaceable relative to each other within an axial clearance.
  • the torque transmission takes place in the solution proposed by the invention, for example by a dog clutch, or another form-fitting design, such as a hexalobular.
  • the roll collar can be made of a pressure-resistant material which resists the occurring Hertzian compressions
  • the starter pinion which is a component separated from the roll collar
  • the two separate parts can come from different manufacturing and hardening processes and are therefore optimally matched to the mechanical loads that occur in each case.
  • the proposed solution according to the invention is only to replace the starting pinion.
  • FIG. 1 shows a starting device in a longitudinal section.
  • a starter 10 is shown.
  • This starting device 10 has, for example, a starter motor 13 and a Vorspuraktuator 16.
  • the Vorspuraktuator can be designed for example as a contact relay or relay.
  • the starter motor 13 and the Vorspuraktuator 16 are attached to a common drive end plate 19.
  • the starter motor 13 is used functionally to drive a starter pinion 22 when it is meshed in the ring gear 25 of the internal combustion engine, not shown here.
  • the starter motor 13 has a pole tube as a housing 28, which carries on its inner circumference pole pieces 31, which are each wrapped by a field winding 34.
  • the pole shoes 31 in turn surround an armature 37, which has an armature packet 43 constructed from fins 40 and an armature winding 49 arranged in grooves 46.
  • the armature package 43 is pressed onto a drive shaft 44.
  • a commutator 52 is further attached, which is constructed, inter alia, of individual commutator bars 55.
  • the commutator fins 55 are electrically connected in a known manner with the armature winding 49, that upon energization of the commutator fins 55 by carbon brushes 58 sets a rotational movement of the armature 37 in the pole tube 28.
  • a arranged between the Vorspuraktuator 16 and the starter motor 13 power supply 61 supplies in the on state, both the carbon brushes 58 and the field winding 34 with power.
  • the drive shaft 44 is commutator side supported with a shaft journal 64 in a sliding bearing 67, which in turn is held stationary in a Kommutatorlagerdeckel 70.
  • the commutator bearing cover 70 is fastened in the drive end shield 19 by means of tie rods 73, which are arranged distributed over the circumference of the pole tube 28 and can be designed, for example, as 2, 3 or 4 screws. It supports the pole tube 28 on the drive bearing plate 19 and the Kommutatorlagerdeckel 70 on the pole tube 28th
  • the intermediate storage 101 is configured in such a pot shape that in this both the Planet carrier 98 and the planet wheels 86 are added. Furthermore, the ring gear 95 is arranged in the cup-shaped intermediate bearing 101, which is ultimately closed by a cover 107 relative to the armature 37. Also, the intermediate bearing 101 is supported with its outer circumference on the inside of the pole tube 28.
  • the armature 37 has on the end remote from the commutator 52 end of the drive shaft 44 has a further shaft journal 110, which is also received in a sliding bearing 113. The sliding bearing 113 in turn is received in a central bore of the planet carrier.
  • the planetary carrier 98 is integrally connected to the output shaft 116.
  • the output shaft 116 is supported with its end 119 remote from the intermediate bearing 101 in a further bearing 122, which is fixed in the drive end plate 19.
  • the output shaft 116 is divided into several sections: Thus, the section which is arranged in the sliding bearing 104 of the intermediate bearing 101, a section with a straight teeth 125 (internal teeth), which is part of a shaft-hub connection 128.
  • This shaft-hub connection 128 allows in this case, the axially rectilinear sliding of a driver 131.
  • the driver 131 is formed as a sleeve-like extension, which is integrally formed with a cup-shaped outer ring 132 of the freewheel 137.
  • the winding 162 and the winding 165 each cause an electromagnetic field in the switched-on state, which flows through both the housing 156 (made of electromagnetically conductive material), a linearly movable armature 168 and an armature return 171.
  • the armature 168 carries a push rod 74, which is moved in the direction of linear retraction of the armature 168 in the direction of a switching pin 177. With this movement of the push rod 174 toward the shift pin 177 out, this is moved from its rest position toward two contacts 180 and 181, so that attached to the contacts 180 and 181 at the end of the shift pin 177 contact bridge 184, both contacts 180 and 181 connects electrically with each other. As a result, electrical power is conducted from the bolt 150 across the contact bridge 184 to the power supply 61 and thus to the carbon brushes 58.
  • the starter motor 13 is energized.
  • FIG. 2 it can be seen that the starter pinion 22 and a freewheel 137 are formed such that these components constitute separate components.
  • the starter pinion 22 is provided with an outer toothing, not shown.
  • FIG. 2 further shows that the Freewheel 137 a roller collar 246 and clamping body 138 has. These are enclosed by the cup-shaped outer ring 132 of the freewheel 137.
  • the separate components ie the roller collar 246, the freewheel 137 and the separate starting pinion 22 are connected to each other via a dog clutch 228 shown in the closed state 250.
  • both the starter pinion 22 and the roller collar 246 have on their respective end faces facing each other axial toothings 232 and 236, respectively.
  • the Axialfix ist the Andrehritzels 22 with respect to the assembly freewheel 137 is effected by a particular shared trained retaining disk 240.
  • the particular shared trained retaining disk 240 is at an undercut, see position 244 in FIG. 3 , fixed and has an axial clearance 242, which in the in FIG. 2 illustrated engaged state 250 of the dog clutch 228 "pushed out” due to the action of the inner spring 230, but is present to compensate for displacements.
  • the split formed retaining disk 240 is formed on the undercut 244 on the outside of the axial toothing 232 of the Andrehritzels 22.
  • FIG. 2 It can also be seen that the cup-shaped configured outer ring 132 of the freewheel 137, which encloses the clamping body 138, is acted upon by a spring 200 which is supported on a bearing plate 224.
  • the representation according to FIG. 3 It can also be seen that the roller collar 246 is secured in the pot-shaped outer ring 132 of the freewheel 137 by a ring 226.
  • FIG. 2 shows that the cup-shaped inner ring is provided on the side facing away from the starting pinion 22 with an internal toothing, which is designed here as a helical toothing.
  • formed as a helical toothing on the cup-shaped outer ring 132 of the freewheel 137 engages the teeth on the output side end of the planet carrier 98 according to the planetary gear 83 according to FIG. 1 is trained.
  • FIG. 3 shows the intermeshing Axialvertechnikungen of starter pinion and roller coil.
  • FIG. 3 In the illustration according to FIG. 3 is the inner spring 230, over which the starter pinion 22 and located in the interior of the freewheel 137 roller collar 246 are biased against each other, omitted for the sake of illustration.
  • the representation according to FIG. 3 is due to the fact that the axial teeth 232 and 236 engage in the engaged state 250 of the dog clutch 228 according to their axial extent into one another.
  • the axial clearance 242 and the springing between the components of the axial teeth 232, 236 of the Andrehritzels 22 and the roller collar 246 is limited by the displacement of the claw-like individual teeth 234 and 238 in the axial direction with respect to each other.
  • the starting pinion 22 and the roller collar 246 can have different bearing diameters.
  • the starter pinion 22 is mounted directly on a shaft and the roller collar 246, for example, with a socket.
  • the roller collar 246 are mounted directly on the shaft and the starting pinion 22 be mounted by means of a socket.

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)
EP11191095.6A 2010-12-28 2011-11-29 Dispositif de sécurisation d'un pignon Active EP2472101B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010064242.8A DE102010064242B4 (de) 2010-12-28 2010-12-28 Vorrichtung zur Sicherung eines Ritzels

Publications (2)

Publication Number Publication Date
EP2472101A1 true EP2472101A1 (fr) 2012-07-04
EP2472101B1 EP2472101B1 (fr) 2021-06-02

Family

ID=45217294

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11191095.6A Active EP2472101B1 (fr) 2010-12-28 2011-11-29 Dispositif de sécurisation d'un pignon

Country Status (4)

Country Link
EP (1) EP2472101B1 (fr)
CN (1) CN102536578B (fr)
DE (1) DE102010064242B4 (fr)
HU (1) HUE056022T2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013205972B4 (de) * 2013-04-04 2021-06-10 Seg Automotive Germany Gmbh Freilaufeinrichtung, Startervorrichtung, Verfahren
DE102014206570B4 (de) * 2014-04-04 2022-02-03 Seg Automotive Germany Gmbh Andrehvorrichtung für Brennkraftmaschinen

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5652568A (en) * 1979-10-08 1981-05-11 Hitachi Ltd Starter
JPS5932670A (ja) * 1982-08-16 1984-02-22 Hitachi Ltd スタ−タの噛合装置
FR2572137A1 (fr) * 1984-10-18 1986-04-25 Paris & Du Rhone Lanceur de demarreur electrique sans contacteur
DE3808673A1 (de) 1987-03-12 1988-09-22 Mitsubishi Electric Corp Anschlag fuer das ritzel eines starters
JPH0460172A (ja) * 1990-06-28 1992-02-26 Nippondenso Co Ltd スタータの噛合衝撃吸収装置
US5237882A (en) 1991-05-16 1993-08-24 Purolator Products Company Engine starter gearing with laminated cushion washers
DE69100037T2 (de) 1990-06-05 1993-09-02 Mitsuba Electric Mfg Co Anlasseranordnung fuer verbrennungsmotor.
DE19701968A1 (de) * 1996-02-09 1997-08-21 Valeo Equip Electr Moteur Kraftfahrzeuganlasser mit einer Ritzeleinrückvorrichtung und Verfahren zur Montage einer solchen Ritzeleinrückvorrichtung
FR2754855A1 (fr) * 1996-10-23 1998-04-24 Valeo Equip Electr Moteur Demarreur electronique de vehicule automobile comportant des moyens de protection de l'induit du moteur electrique contre la survitesse
US20020096000A1 (en) * 2001-01-24 2002-07-25 Mitsubishi Denki Kabushiki Kaisha Pinion slip-off preventive structure of starting apparatus
DE10258908A1 (de) * 2002-12-17 2004-07-01 Ina-Schaeffler Kg Freilaufkupplungs-Baueinheit für den Starter eines Verbrennungsmotors

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1493598A (en) * 1974-05-15 1977-11-30 Lucas Electrical Ltd Roller clutch assembly
JP3874707B2 (ja) 2002-08-08 2007-01-31 株式会社デンソー スタータ
DE102008000883A1 (de) 2008-03-31 2009-10-01 Robert Bosch Gmbh Startvorrichtung
DE102009001738A1 (de) * 2009-03-23 2010-09-30 Robert Bosch Gmbh Freilauf für einen Starter von einer Brennkraftmaschine, Starter und Herstellungsverfahren

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5652568A (en) * 1979-10-08 1981-05-11 Hitachi Ltd Starter
JPS5932670A (ja) * 1982-08-16 1984-02-22 Hitachi Ltd スタ−タの噛合装置
FR2572137A1 (fr) * 1984-10-18 1986-04-25 Paris & Du Rhone Lanceur de demarreur electrique sans contacteur
DE3808673A1 (de) 1987-03-12 1988-09-22 Mitsubishi Electric Corp Anschlag fuer das ritzel eines starters
DE69100037T2 (de) 1990-06-05 1993-09-02 Mitsuba Electric Mfg Co Anlasseranordnung fuer verbrennungsmotor.
JPH0460172A (ja) * 1990-06-28 1992-02-26 Nippondenso Co Ltd スタータの噛合衝撃吸収装置
US5237882A (en) 1991-05-16 1993-08-24 Purolator Products Company Engine starter gearing with laminated cushion washers
DE19701968A1 (de) * 1996-02-09 1997-08-21 Valeo Equip Electr Moteur Kraftfahrzeuganlasser mit einer Ritzeleinrückvorrichtung und Verfahren zur Montage einer solchen Ritzeleinrückvorrichtung
FR2754855A1 (fr) * 1996-10-23 1998-04-24 Valeo Equip Electr Moteur Demarreur electronique de vehicule automobile comportant des moyens de protection de l'induit du moteur electrique contre la survitesse
US20020096000A1 (en) * 2001-01-24 2002-07-25 Mitsubishi Denki Kabushiki Kaisha Pinion slip-off preventive structure of starting apparatus
DE10258908A1 (de) * 2002-12-17 2004-07-01 Ina-Schaeffler Kg Freilaufkupplungs-Baueinheit für den Starter eines Verbrennungsmotors

Also Published As

Publication number Publication date
EP2472101B1 (fr) 2021-06-02
CN102536578B (zh) 2015-11-25
DE102010064242B4 (de) 2020-06-04
CN102536578A (zh) 2012-07-04
HUE056022T2 (hu) 2022-01-28
DE102010064242A1 (de) 2012-06-28

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