EP2435688B1 - Verfahren zur mechanischen synchronisation zweier sich drehender, achsversetzter stirnzahnräder - Google Patents

Verfahren zur mechanischen synchronisation zweier sich drehender, achsversetzter stirnzahnräder Download PDF

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Publication number
EP2435688B1
EP2435688B1 EP10721792.9A EP10721792A EP2435688B1 EP 2435688 B1 EP2435688 B1 EP 2435688B1 EP 10721792 A EP10721792 A EP 10721792A EP 2435688 B1 EP2435688 B1 EP 2435688B1
Authority
EP
European Patent Office
Prior art keywords
spur gearwheel
spur
spur gear
gearwheel
driver
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.)
Active
Application number
EP10721792.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2435688A1 (de
Inventor
Rainer Stoeckl
Sven Hartmann
Karl-Otto Schmidt
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
Priority to PL10721792T priority Critical patent/PL2435688T3/pl
Publication of EP2435688A1 publication Critical patent/EP2435688A1/de
Application granted granted Critical
Publication of EP2435688B1 publication Critical patent/EP2435688B1/de
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
    • F02N15/067—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
    • 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
    • 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
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F02N11/0851—Circuits or control means specially adapted for starting of engines characterised by means for controlling the engagement or disengagement between engine and starter, e.g. meshing of pinion and engine gear
    • F02N11/0855—Circuits or control means specially adapted for starting of engines characterised by means for controlling the engagement or disengagement between engine and starter, e.g. meshing of pinion and engine gear during engine shutdown or after engine stop before start command, e.g. pre-engagement of pinion
    • 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
    • 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
    • F02N15/065—Starter drives with blocking means

Definitions

  • drives are used, which are fed with a separate from the fuel supply power supply.
  • the drive pinion engages first in the ring gear of the internal combustion engine to then drive the internal combustion engine (eg, the push-screw principle). After the end of the starting process, the pinion moves back out of the ring gear of the internal combustion engine.
  • start-stop systems in motor vehicles causes an extended requirement for the starting system and thus also an expansion of the functions. For example, sharper acoustic requirements and the need to be able to restart at any time when the driver wants to start up (so-called "Mind Change” functionality) must be mentioned here. In particular, at the outlet of the internal combustion engine, this is not possible with the classical principle.
  • the ring gear already moves in the drive direction, towards the end of the discharge process, he can even due to the so-called "gas spring" (compressed air-fuel mixture) in the combustion chamber even swing back.
  • the starter In order to achieve similar conditions as in the conventional Einspurvorgang, the starter must be brought exactly at the right time to the engine speed.
  • all processes in this phase are very dynamic, at the same time the control of the starting device and the engagement mechanism is provided with processing and movement times. Therefore, the speed equality can not be set accurately. As a result, other relative movements between the pinion and the ring gear occur in comparison to the conventional meshing process.
  • JP 2002 303236 and JP 2003176770 show einfeileilte gears to dampen the saving process.
  • starter motor 10 with a pole housing 11, in which a field winding 12 is arranged. Alternatively, a permanent magnetic excitation is possible.
  • a drive shaft 13 of the starter motor carries an armature 15 and a commutator 16 with carbon brushes 17 together with power supply 18.
  • a lifting means 20 engagement relay
  • the drive shaft 13 is mounted with its commutator end in a commutator 21, received on its opposite side with a pin 22 in an axial bore 23 of an output shaft 24.
  • the output shaft 24 may be in a certain operating state and drive shaft, namely, when it is driven by the internal combustion engine or the ring gear ago and has not yet addressed a one-way clutch.
  • the drive shaft 13 drives the output shaft 24 via a planetary gear 26.
  • a planetary gear 26 For this purpose, it has an outer toothing 27, which planetary gears 28 drives, which in turn are in mesh with a fixed ring gear 29.
  • the planet gears 28 are mounted on bolts 30 which are pressed in an end-side flange 31 of the output shaft 24. This end-side flange faces the starter motor.
  • the output shaft is mounted behind the flange in the bearing bore 33 of an intermediate bearing 34 and its other end in a bearing 35 of a housing 37 often known as a drive bearing plate, which closes the pole housing 11 and is clamped together by this tie rod 38.
  • a coarse thread 39 is formed near the intermediate bearing 34, with which an internal coarse thread 40 on the extension 41 of the outer housing 42 of a freewheel 43 is engaged.
  • the inner body 45 of the freewheel carries on its outer periphery and the bearing point 35 for the output shaft facing a spur gear 46 (pinch pinion). Between the inner body 45 and the outer housing 42 of the Freewheel 43 are the freewheel rollers 44.
  • the spur gear 46 for the purpose of starting the internal combustion engine with a spur gear 48 (sprocket) thereof are brought into engagement.
  • a stop device 54 is formed on this inside the housing 37, so that here a stop collar 56 is formed.
  • a drive plate 70 is arranged before the spur gear 46. This drive plate 70 is rotatably disposed about the output shaft 24 and thereby axially secured in front of the spur gear 46.
  • FIG. 2a shows an enlarged sectional view of the spur gear 46 and the drive plate 70.
  • a sleeve 73 sits the spur gear 46, and the sleeve 73 is inserted into a cylindrical opening 74 of the spur gear 46.
  • Between sleeve 73 and spur gear 46 acts a press fit and / or a cohesive connection (adhesive, solder, welded connection).
  • the sleeve 73 protrudes with one end 76 out of the opening 74 and thereby forms a pipe socket.
  • the drive plate 70 is rotatably mounted.
  • the drive plate 70 is freely rotatable in the exemplary embodiment to the left, while the drive plate 70 is rotatably movable only a few degrees to the right. This will be discussed later.
  • On the side facing away from the drive plate 70 side is located on the outside of the sleeve 73 has a groove 77 in which a securing element 78 - here an axial circlip - is inserted and thus secures the axial position of the drive plate on the sleeve 73.
  • the spur gear 46 has straight outer teeth 79.
  • the drive plate 70 has external teeth 82.
  • the number of external teeth 79 and external teeth 82 is the same, for example ten.
  • the profile of the external teeth 79 and external teeth 82 is the same.
  • the outer teeth 79 are shorter than the outer teeth 82.
  • the arrow 84 shown about the axis of rotation 83, indicates a left-hand direction about which the spur gear 46 is rotated in the case of driving.
  • FIG. 2b is a partial perspective view of the drive plate 70 is shown.
  • the drive plate 70 has machined external teeth 82.
  • a transition point 86 facing away from the direction of rotation 84 is beveled between the tooth flank 87 remote from the direction of rotation 84 and an end face 75, surface 80.
  • FIG. 3 shows a perspective view of the spur gear 46 with removed from the sleeve 73 driver plate 70. It is an end face 85 can be seen, which faces when the drive plate 70 thereof. In the end face 85 wedge-shaped depressions 88 are incorporated, the depth of which increases in the clockwise direction, so that in the region of the greatest depth of a recess 88, a step 89 is a transition to the end face 85. Due to the perspective view of a second of the recess just described 88 opposite recess 88 is not visible. These recesses 88 cooperate with detent springs 91, which are attached to the drive plate 70, sa FIG. 4 , The depressions 88 are also designed ring-segment-shaped. In a variant, it is provided per outer tooth 79 to provide a recess 88.
  • FIG. 4 shows a perspective view of the drive plate 70 and the rear side 94, which points in the state mounted on the sleeve 73 to the end face 85 and at this possibly rests.
  • the detent spring 91 has a free end 97 and a fixed end 100 on.
  • the fixed end 100 is the end of the detent spring 91 which is closer in the relaxed state of the back 94 as the free end 97.
  • the detent spring 91 are like the wells 88 also designed ring segment, wherein the detent spring 91 are dimensioned such that they are in the Recesses 88 fit.
  • FIG. 5 shows a radial plan view of a detent spring 91.
  • the detent spring 91 spreads from the rear 94.
  • FIG. 6 shows a sectional view through joint 103 between drive plate 70 and spur gear 46 - sa FIG. 2a -
  • the latching spring 91 is located with its free end 97 in the recess 88, which is supported on the step 89.
  • FIGS. 7a to g are schematic representations of the course of events in connection with the attempted meshing of the spur gear 46 in the faster rotating spur gear 48 (sprocket) shown.
  • the function of this arrangement in connection with a spur gear 48 is as follows:
  • the arrow 110 represents the direction of movement of the spur gear 46 on the spur gear 48 (sprocket); this corresponds to the movement of the sleeve 73 on the output shaft 24 to the spur gear 48 to, Figure 7a ,
  • the arrow 113 represents the direction of rotation of the spur gear 48.
  • a peripheral speed v48 of the spur gear 48 is greater than a peripheral speed v46 of the spur gear 46, which is zero here.
  • the peripheral speed v48 is a speed that decreases, thereby representing the situation in which an internal combustion engine to which the spur gear 48 is attached leaks.
  • FIG. 7b shows the drive plate 70 at the moment of the first concern of the drive plate 70 to the spur gear 48th teeth 116 of the spur gear 48 can not initially penetrate into the tooth gaps 82a between the outer teeth 79 of the spur gear 46 due to their abutment on the outer teeth 82. Subsequently, the drive plate 70 slides with its outer teeth 82 in tooth gaps 116a of the spur gear 48. The slightly biased locking springs 91 slide along the rear side 94 along. The drive plate 70 rotates counterclockwise relative to the spur gear 46. Between drive plate 70 and spur gear 46 is practically a freewheel 92 is arranged.
  • Friction between the drive plate 70 and the spur gear 46 keeps the drive plate 70 in a defined abutment on the spur gear 48.
  • the Arrow 113 opposite movement engages the drive plate 70 with the detent spring 91 in the recess 88 and releases the axial engagement movement for the spur gear 46, FIGS. 7e to 7g ,
  • a method is provided, according to which the drive plate 70 is coupled to the first spur gear 46 by means of a freewheel 92 and at larger circumferential speed v46 of the first spur gear 46, the second spur gear 48 due to the smaller peripheral speed v48 by means of the freewheel 92 entrains.
  • the lifting means 20 then pushes the first spur gear 46 into free tooth spaces 116a of the second spur gear 48.
  • the drive plate 70 must be performed as low mass as possible.
  • the drive plate 70 may be e.g. made of spring steel as punched / drawn / bent part. This allows the simple representation of the tooth gaps 119 and outer teeth 82nd
  • a coating to reduce friction facilitates entrainment and reduces wear.
  • An involute curve of the tooth gaps 119 can be provided to reduce wear.
  • sintered material can be used in order to allow as free a shape as possible and also low mass. If necessary, the strength can be improved by encapsulation, or composite material.
  • the use of elastomers, e.g. on the outer teeth 82 can improve the take.
  • the outer teeth 82 and driver elements on the drive plate 70 can be performed brush-like.
  • the freewheel 92 between the drive plate 70 and the spur gear 46 is configured such that a drive torque of the starter motor 10 closing the freewheel 92 and thus entrainment of the drive plate 70 can be effected by the spur gear 46.
  • the drive plate 70 engages by means of synchronization elements, preferably detent springs 91, on the spur gear 46, preferably in depressions 88.
  • the drive plate 70 has as many external teeth 82 as synchronization elements.
  • the drive plate 70 has at least one driver element, preferably at least one outer tooth 82.
  • this driver element may also be brush-like.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gears, Cams (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Retarders (AREA)
  • Transmission Devices (AREA)
EP10721792.9A 2009-05-29 2010-05-25 Verfahren zur mechanischen synchronisation zweier sich drehender, achsversetzter stirnzahnräder Active EP2435688B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10721792T PL2435688T3 (pl) 2009-05-29 2010-05-25 Sposób mechanicznej synchronizacji dwóch obracających się, rozsuniętych osiowo czołowych kół zębatych

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009026593A DE102009026593A1 (de) 2009-05-29 2009-05-29 Verfahren zur mechanischen Synchronisation zweier sich drehender, achsversetzter Stirnzahnräder
PCT/EP2010/057118 WO2010136429A1 (de) 2009-05-29 2010-05-25 Verfahren zur mechanischen synchronisation zweier sich drehender, achsversetzter stirnzahnräder

Publications (2)

Publication Number Publication Date
EP2435688A1 EP2435688A1 (de) 2012-04-04
EP2435688B1 true EP2435688B1 (de) 2013-07-17

Family

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EP10721792.9A Active EP2435688B1 (de) 2009-05-29 2010-05-25 Verfahren zur mechanischen synchronisation zweier sich drehender, achsversetzter stirnzahnräder

Country Status (5)

Country Link
EP (1) EP2435688B1 (zh)
CN (1) CN102483023B (zh)
DE (1) DE102009026593A1 (zh)
PL (1) PL2435688T3 (zh)
WO (1) WO2010136429A1 (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009045248A1 (de) 2009-10-01 2011-04-07 Robert Bosch Gmbh Geräuschoptimierte Startvorrichtung
DE102009046988A1 (de) 2009-11-23 2011-05-26 Robert Bosch Gmbh Geräuschoptimierte Startvorrichtung
DE102010063507A1 (de) * 2010-12-20 2012-06-21 Robert Bosch Gmbh Geräuschoptimierte Startervorrichtung
WO2012131973A1 (ja) * 2011-03-31 2012-10-04 三菱電機株式会社 エンジン始動装置
CN103459830B (zh) * 2011-03-31 2016-03-16 三菱电机株式会社 发动机启动装置
CN105545927A (zh) * 2015-11-27 2016-05-04 沪东重机有限公司 便于失效更替的柴油机曲轴齿轮连接结构
JP6976277B2 (ja) 2016-06-22 2021-12-08 ドルビー・インターナショナル・アーベー 第一の周波数領域から第二の周波数領域にデジタル・オーディオ信号を変換するためのオーディオ・デコーダおよび方法
JP2020112239A (ja) 2019-01-15 2020-07-27 株式会社デンソー ピニオンギア及び始動装置

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Publication number Priority date Publication date Assignee Title
US1348288A (en) * 1919-03-31 1920-08-03 Eclipse Machine Co Engine-starter
GB515753A (en) 1937-06-11 1939-12-13 Bosch Gmbh Robert Improvements in or relating to starting devices for internal combustion engines
DE3813496A1 (de) * 1988-04-22 1989-11-02 Pierburg Gmbh Starter fuer den startvorgang einer brennkraftmaschine
ES2179987T3 (es) 1996-12-16 2003-02-01 Bosch Gmbh Robert Dispositivo de arranque para la puesta en marcha de un motor de combustion interna.
DE19721386A1 (de) 1996-12-16 1998-06-18 Bosch Gmbh Robert Startvorrichtung zum Starten einer Brennkraftmaschine
JP3722639B2 (ja) * 1999-03-25 2005-11-30 三菱自動車工業株式会社 内燃機関の始動装置
JP2002303236A (ja) * 2001-04-02 2002-10-18 Denso Corp スタータ
FR2830574B1 (fr) * 2001-08-17 2004-05-28 Valeo Equip Electr Moteur Demarreur notamment pour moteur thermique de vehicule automobile du type a lanceur a accouplement
JP2003176770A (ja) * 2001-12-10 2003-06-27 Toyota Motor Corp 内燃機関のスタータ装置
DE102005004326A1 (de) 2004-08-17 2006-02-23 Robert Bosch Gmbh Startvorrichtung für einen Verbrennungsmotor mit separatem Einrück- und Startvorgang
DE102005021227A1 (de) 2005-05-09 2006-11-16 Robert Bosch Gmbh Startvorrichtung für Brennkraftmaschinen in Kraftfahrzeugen
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
EP2017497A1 (de) * 2007-06-20 2009-01-21 Ford Global Technologies, LLC Verfahren zum Starten einer mit einem geteilten Schwungrad ausgestatteten Brennkraftmaschine und Brennkraftmaschine zur Durchführung eines derartigen Verfahrens

Also Published As

Publication number Publication date
WO2010136429A1 (de) 2010-12-02
CN102483023A (zh) 2012-05-30
CN102483023B (zh) 2016-03-09
DE102009026593A1 (de) 2010-12-02
EP2435688A1 (de) 2012-04-04
PL2435688T3 (pl) 2013-12-31

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