EP1803912A2 - Actionneur pour un dispositif de manoeuvre - Google Patents

Actionneur pour un dispositif de manoeuvre Download PDF

Info

Publication number
EP1803912A2
EP1803912A2 EP06124437A EP06124437A EP1803912A2 EP 1803912 A2 EP1803912 A2 EP 1803912A2 EP 06124437 A EP06124437 A EP 06124437A EP 06124437 A EP06124437 A EP 06124437A EP 1803912 A2 EP1803912 A2 EP 1803912A2
Authority
EP
European Patent Office
Prior art keywords
actuator
gear
spring
output shaft
shaft
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
EP06124437A
Other languages
German (de)
English (en)
Other versions
EP1803912B1 (fr
EP1803912A3 (fr
Inventor
Reiner Schweinfurth
Heiner Fees
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 EP1803912A2 publication Critical patent/EP1803912A2/fr
Publication of EP1803912A3 publication Critical patent/EP1803912A3/fr
Application granted granted Critical
Publication of EP1803912B1 publication Critical patent/EP1803912B1/fr
Expired - Fee Related 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
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
    • F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
    • F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
    • F02D11/107—Safety-related aspects
    • 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
    • Y10T29/00—Metal working
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5152—Plural diverse manufacturing apparatus including means for metal shaping or assembling with turret mechanism
    • Y10T29/5154—Plural diverse manufacturing apparatus including means for metal shaping or assembling with turret mechanism tool turret
    • Y10T29/5155—Rotary tool holder
    • 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
    • Y10T74/19642—Directly cooperating gears
    • Y10T74/19698—Spiral
    • Y10T74/19828—Worm

Definitions

  • the invention relates to an actuator for an actuator according to the preamble of claim 1.
  • a known actuator for a throttle valve in the intake manifold of an internal combustion engine ( DE 196 12 869 A1 ) arranged between the engine output shaft and the actuating shaft transmission gear is a two-stage spur gear with an intermediate gear which meshes with a first gear portion with a seated on the engine output shaft motor pinion and a second gear portion with a fixedly arranged on the actuating shaft drive gear.
  • Drive gear and control shaft are rotatably mounted in a the actuator and the transmission gear receiving actuator housing.
  • a reset device ensures that in case of failure of the servomotor, the throttle valve is returned to a basic position in which only an emergency operation of the internal combustion engine is possible.
  • the restoring device has a concentric the adjusting shaft enclosing, designed as a cylindrical coil spring torsion spring and a rotatably received on the actuating shaft stop piece.
  • the torsion spring engages its one spring end on the drive gear and with its other spring end to the stop piece and is supported axially between the drive gear and stopper piece, which in turn is supported axially on the recorded in the actuator housing pivot bearing for the control shaft.
  • the torsion spring generates via its spring ends a torque on the drive gear and on the stop piece, which in turn cooperates via a stop arranged on it with a counter-stop arranged on the intermediate wheel. This return torque increases with increasing twisting of the throttle from its home position. In the event of failure of the servomotor, this restoring torque will return the throttle to its home position.
  • the transmission gear between the engine output shaft and control shaft is designed as a worm gear with worm and circular-toothed rack.
  • the worm is rotatably mounted on the motor output shaft, and the rack is slidably guided in the actuator housing along a circular arc.
  • On the actuating shaft a Mit promisingarm is fixed, which rests with its arm end on the front side of the rack.
  • a seated on the actuating shaft coil spring puts the driving arm frictionally against the toothed segment, so that the Mitiliaarm pivoted when moving the rack and thereby the actuating shaft is rotated with actuator.
  • the actuator according to the invention with the features of claim 1 has the advantage that by providing two, preferably designed as return springs, energy storage, which are used separately on the input and on the output side of the transmission gear and of which one on the engine output shaft and the other reacts on the control shaft or the actuator firmly connected to this, a transmission gear with only one gear stage and very large translation can be used without the restoring force of the reset device according to the large gear ratio would have to be sized large.
  • the energy storage can be relatively small dimensions; because the one energy storage only has to compensate for the engine cogging torque and the other energy storage only the Nutzmoment on the control shaft.
  • the servomotor By bypassing the transmission, the servomotor can be kept small in performance.
  • the single-stage transmission gear, the small servo motor and the two preferably designed as return springs energy storage are beneficial in terms of space savings, weight reduction and low manufacturing costs.
  • a reduction gear is arranged between the engine output shaft and the rear-acting energy storage, which is preferably a crown gear with a fixedly disposed on the engine output shaft spur gear and a meshing with this crown gear whose wheel axis perpendicular to the motor Output shaft is aligned.
  • the retroactive on the transmission output of the Kronengetriebes energy storage is designed as a return spring, which fixed with its one end of the spring on Kronenrad and with its other spring end.
  • the crown gear has - as a spur gear - hardly loss of efficiency and allows a tensioning of the return spring over several revolutions of the motor output shaft, as they are also required for adjusting the actuator.
  • the actuator shown in FIGS. 1 and 2 for an actuator 10 comprises an electric servo motor 11 with a motor output shaft 12, an actuating shaft 13, a transmission gear 14 arranged between the engine output shaft 12 and the actuating shaft 13 and a return device 15 to reset the actuator 10 in a basic position in case of failure or failure of the servomotor 11.
  • the actuator 10 may be a throttle valve in the intake manifold of an internal combustion engine, an air damper in an air conditioner or other pivotal element for controlling a channel cross-section.
  • the actuator 10 is indicated in Fig. 2 in part.
  • the servo motor 11 and the transmission gear 14 are received in a cup-shaped actuator housing 16.
  • the control shaft 13 is rotatably mounted in the actuator housing 16.
  • the transmission gear 14 is formed as a worm gear, which has a seated on the motor output shaft 12 worm 17 and a worm wheel 18. The latter is rotatably mounted on the control shaft 13. Since the actuator 10 executes only a limited pivoting movement, the worm wheel 18 is formed as a wheel segment, wherein the wheel toothing extends over a circular arc of less than 180 °.
  • the return device 15 has an effective on the input side of the transmission gear 14, a first energy storage performing first return spring 21 and on the output side of the transmission gear 14 effective, a second energy storage performing second return spring 22.
  • the second return spring 22 is formed as a torsion spring 23, preferably as a cylindrical coil spring. It is dimensioned so that it is able to overcome the useful torque which can be removed on the control shaft 13.
  • the first return spring 21, however, is designed so that it is able to overcome the engine cogging torque.
  • the first return spring 21 is connected via a reduction gear 23 with the motor output shaft 12 in operative engagement.
  • the reduction gear 23 is preferably designed as a crown gear with a fixedly arranged on the motor output shaft 12 spur gear 24 and a rotatably mounted in the actuator housing 16 crown gear 25, which is in meshing engagement with the spur gear 24.
  • the first return spring 21 is formed in the embodiment as a spiral spring 26, with its one spring end 261 on the crown gear 25 and with its other spring end on
  • the coil spring 26 is preferably arranged at the bottom of the crown wheel 25 and protrudes with its not visible in Fig. 1, fixed to the actuator housing 16 spring end through an arcuate slot at the bottom of the crown wheel 25 therethrough.
  • both return springs 21, 22 as spiral or cylindrical coil springs.
  • Fig. 1 by way of example the actuator is shown in a position in which the actuator 10 assumes its basic position.
  • the servomotor 11 is de-energized. If the motor is turned on with such a direction of rotation that the motor output shaft 12 rotates clockwise, the worm wheel 18 is pivoted in the direction of the arrow 19 via the rotating worm 17. At the same time the crown gear 25 is rotated over the rotating spur gear 24 so that the bias of the coil spring 26 increases.
  • the control shaft 13 By pivoting the worm wheel 18, the control shaft 13 is rotated, which in turn pivots the actuator 10 in a position in which it releases a flow cross-section to be controlled more or less far.
  • the cylindrical coil spring 20 is tensioned.
  • the servomotor 11 may perform to adjust the actuator 10 only a few turns.
EP06124437A 2005-12-30 2006-11-21 Actionneur pour un dispositif de manoeuvre Expired - Fee Related EP1803912B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005063021.9A DE102005063021B4 (de) 2005-12-30 2005-12-30 Stellantrieb für ein Stellorgan

Publications (3)

Publication Number Publication Date
EP1803912A2 true EP1803912A2 (fr) 2007-07-04
EP1803912A3 EP1803912A3 (fr) 2012-01-25
EP1803912B1 EP1803912B1 (fr) 2013-01-23

Family

ID=37682539

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06124437A Expired - Fee Related EP1803912B1 (fr) 2005-12-30 2006-11-21 Actionneur pour un dispositif de manoeuvre

Country Status (4)

Country Link
US (1) US7480972B2 (fr)
EP (1) EP1803912B1 (fr)
CN (1) CN101063892B (fr)
DE (1) DE102005063021B4 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011053974A1 (de) 2011-09-27 2013-03-28 Siko Gmbh Stellantrieb

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7902704B2 (en) * 2009-03-09 2011-03-08 T-Motion Technology Co., Ltd. Spindle positioning means of linear actuator
NO334421B1 (no) 2009-08-20 2014-03-03 Vetco Gray Scandinavia As Elektrisk drevet ventilaktuator med elektromekanisk innretning for detektering av endestopp
DE102010051743B4 (de) * 2010-11-19 2022-09-01 C. Miethke Gmbh & Co. Kg Programmierbares Hydrocephalusventil
KR101327038B1 (ko) * 2013-06-03 2013-11-07 주식회사 현대케피코 전자식 스로틀밸브 어셈블리
JP6305312B2 (ja) * 2014-10-27 2018-04-04 株式会社ミツバ 駆動装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3503598C1 (de) * 1985-02-02 1986-01-23 Klein, Schanzlin & Becker Ag, 6710 Frankenthal Von einem Stellmotor zu betätigende Absperrarmatur
DE3631283C2 (de) * 1986-09-13 1999-11-25 Bosch Gmbh Robert Einrichtung zur gesteuerten Zumessung von Verbrennungsluft in eine Brennkraftmaschine
DE4039728A1 (de) 1990-12-13 1992-06-17 Bosch Gmbh Robert Stelleinrichtung
DE4141104C2 (de) 1991-12-13 1995-09-07 Vdo Schindling Vorrichtung zur Verstellung einer Drosselklappe
BR9400394A (pt) * 1994-01-31 1995-12-05 Equipamentos Clark Ltda Mecanismo de mudança de engrenamento de pares de engrenagens constantemente engrenados e de atuação mutuamente exclusiva aplicado em transmissões automotivas ou de máquinas, de engate automático ou manual
DE19612869A1 (de) * 1996-03-30 1997-10-02 Bosch Gmbh Robert Steuereinrichtung zum Steuern einer Leistung einer Antriebsmaschine
DE69732202T2 (de) * 1996-09-03 2005-12-15 Hitachi, Ltd. Drosselklappen-Betätigungsvorrichtung für eine Brennkraftmaschine
US6253732B1 (en) * 1999-11-11 2001-07-03 Ford Global Technologies, Inc. Electronic throttle return mechanism with a two-spring and two-lever default mechanism

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011053974A1 (de) 2011-09-27 2013-03-28 Siko Gmbh Stellantrieb
EP2575240A2 (fr) 2011-09-27 2013-04-03 Siko GmbH Mécanisme de commande

Also Published As

Publication number Publication date
CN101063892B (zh) 2011-07-06
EP1803912B1 (fr) 2013-01-23
US7480972B2 (en) 2009-01-27
DE102005063021A1 (de) 2007-07-05
EP1803912A3 (fr) 2012-01-25
US20070163541A1 (en) 2007-07-19
DE102005063021B4 (de) 2017-03-30
CN101063892A (zh) 2007-10-31

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