US20120238371A1 - Actuating shaft and method for producing an actuating shaft - Google Patents

Actuating shaft and method for producing an actuating shaft Download PDF

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Publication number
US20120238371A1
US20120238371A1 US13/229,990 US201113229990A US2012238371A1 US 20120238371 A1 US20120238371 A1 US 20120238371A1 US 201113229990 A US201113229990 A US 201113229990A US 2012238371 A1 US2012238371 A1 US 2012238371A1
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US
United States
Prior art keywords
actuating
actuating shaft
base body
shaft
partially
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.)
Abandoned
Application number
US13/229,990
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English (en)
Inventor
René Daschner
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.)
Audi AG
Original Assignee
Audi AG
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 Audi AG filed Critical Audi AG
Assigned to AUDI AG reassignment AUDI AG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: DASCHNER, RENE
Publication of US20120238371A1 publication Critical patent/US20120238371A1/en
Priority to US13/913,118 priority Critical patent/US8926439B2/en
Abandoned legal-status Critical Current

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Classifications

    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B27/00—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
    • F02B27/02—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means
    • F02B27/0226—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means characterised by the means generating the charging effect
    • F02B27/0268—Valves
    • F02B27/0284—Rotary slide valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B31/00—Modifying induction systems for imparting a rotation to the charge in the cylinder
    • F02B31/04—Modifying induction systems for imparting a rotation to the charge in the cylinder by means within the induction channel, e.g. deflectors
    • F02B31/06—Movable means, e.g. butterfly valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F02D9/1065—Mechanical control linkage between an actuator and the flap, e.g. including levers, gears, springs, clutches, limit stops of the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F02D9/107—Manufacturing or mounting details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F02D9/1075—Materials, e.g. composites
    • F02D9/108—Plastics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F02D9/1075—Materials, e.g. composites
    • F02D9/1085—Non-organic materials, e.g. metals, alloys, ceramics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F02D9/109—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps having two or more flaps
    • F02D9/1095—Rotating on a common axis, e.g. having a common shaft
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
    • 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
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining

Definitions

  • the present invention relates to an actuating shaft, in particular of a suction tube arrangement, with an actuating element for operating the actuating shaft.
  • the invention also relates to a method for producing an actuating shaft.
  • Actuating shafts are used, in particular, for suction tube arrangements where at least one suction tube opening can be closed and opened with at least one cover element arranged on the actuating shaft or actuatable by the actuating shaft.
  • the actuating shaft is typically supported for rotation about a rotation axis.
  • at least one bearing may be associated with the actuating shaft.
  • the actuating shaft can hereby be moved to an arbitrary rotation angle position within a predetermined angular range.
  • the actuating element which is used to actuate the actuating shaft is provided for this purpose.
  • a drive cooperates with the actuating element for actuating the actuating shaft and moving the actuating shaft to the desired rotation angle position.
  • the actuating element is thus provided to apply the torque from the drive to the actuating shaft.
  • the actuating element can be operatively connected with the drive by way of a coupling linkage.
  • the actuating element serves herein as carrier element.
  • Conventional actuating elements are constructed as ball-shaped heads coupled to a coupling linkage and constructed as a single piece in conjunction with an end section of the shaft of the throttle element.
  • this results in a comparatively high manufacturing complexity, because the ball-shaped head is already formed, for example, during and in conjunction with the manufacture of the end section.
  • a cover plate must be formed on the shaft. Several manufacturing steps are therefore required for producing the throttle element.
  • an actuating shaft in particular of a suction tube arrangement, includes an actuating element for actuating the actuating shaft, a base body made of a first material, and an actuating shaft body made of a second material and at least partially applied on the base body, said actuating shaft body at least partially enclosing the actuating element.
  • a cover element of the actuating shaft is formed and the actuating element is fastened on the actuating shaft simultaneously.
  • This is attained according to the invention by constructing the actuating shaft from a base body made of a first material and an actuating shaft body disposed on the base body and made of a second material.
  • the actuating element should be at least partially surrounded by the actuating shaft body.
  • the actuating shaft thus basically includes a base body, the actuating shaft body and the actuating element; however, it will be understood that several base bodies, actuating shaft bodies and actuating elements may be present.
  • the base body is made of a first material, for example a metal, in particular steel.
  • the base body may in principle have any suitable shape, for example be embodied as a substantially straight rod or in form of a crankshaft, wherein in the latter case at least a region of the base body is located outside a rotation axis of the actuating shaft or spaced from the rotation axis in the radial direction.
  • the actuating shaft body is applied on the base body.
  • the actuating shaft body is made of a second material which preferably is different from the first material.
  • the second material is, for example, a plastic.
  • the actuating shaft body is applied on the base body so that the actuating element is at least partially disposed in the actuating shaft body, so that the actuating element is held by the actuating shaft body and fixed with respect to the base body, in particular with a rotation lock.
  • the actuating element may have a serration extending in a substantially axial direction in the region enclosed by the actuating shaft body.
  • the actuating shaft body need not cover the entire base body, but may only be partially disposed on the base body.
  • an additional layer for example made of an elastomer, maybe deposited on the base body and/or the actuating shaft body, which may operate as a sealing layer to ensure that the at least one suction tube opening is safely covered by the cover element of the actuating shaft.
  • At least one region of the actuating element may at least partially circumferentially surround the base body of the actuating shaft.
  • the actuating element may have a recess configured to at least partially receive the base body.
  • the actuating element may at least partially surround the base body, while the actuating element is in turn surrounded by the actuating shaft body.
  • Surrounding the actuating element with the base body secures the actuating element relative to the base body at least in the radial direction.
  • Surrounding the actuating element with the actuating shaft body secures the actuating element relative to the base body in the axial direction.
  • Surrounding the actuating element with the actuating shaft body thus prevents the actuating element from sliding off the base body.
  • the actuating element completely surrounds the base body in the circumferential direction.
  • a clamping connection may be provided between the actuating element and the base body of the actuating shaft, thereby establishing a particularly reliable connection between the actuating element and the base body.
  • the recess with which the base body at least partially circumferentially surrounds the actuating element is, for example, centrally formed in the actuating element.
  • the recess may thereby be implemented as a blind hole, i.e., a hole that does not completely extend through the actuating element in the axial direction.
  • the recess may also be implemented as a through-opening, with the recess fully extending through the actuating element in the axial direction.
  • the actuating element may have a ball-shaped head, wherein the recess at least partially extends through the ball-shaped head.
  • the ball-shaped head is hereby disposed on a side of the actuating element facing away from the base body.
  • the bail-shaped head is used to provide an operative connection to a drive.
  • the ball-shaped head may be surrounded at least partially by a coupling linkage which is operatively connected with the drive.
  • the recess may extend completely through the ball-shaped head.
  • an engagement opening may be provided on the side of the ball-shaped head facing away from the base body which may be used, for example, for centering.
  • the first material may be a metal, in particular steel, and/or the second material may be a plastic, in particular a polymer.
  • the actuating shaft can then be particularly easily manufactured and the actuating element can be reliably secured relative to the base body.
  • the first material is preferably rigid and torsion-proof.
  • the second material is preferably a moldable material which also adheres to the first material.
  • a blind hole in particular a blind hole formed by the recess, may be provided in the ball-shaped head, wherein the bottom of the blind hole is defined, in particular, by the base body.
  • the term “blind hole” refers to a recess which does not completely extend through the ball-shaped head or the entire actuating element, but instead has a bottom.
  • the blind hole may be used, for example, for centering.
  • the blind hole may be formed by the recess.
  • the bottom of the blind hole may be defined by the base body. This means that the recess initially extends completely through the ball-shaped head and/or the actuating element in the axial direction.
  • the actuating element is then arranged so as to at least partially circumferentially surround the base body.
  • the base body is then at least partially disposed in the recess of the actuating element and forms the bottom of the blind hole.
  • the actuating element may include at least one tongue-and-groove element engaging with the actuating shaft body, in particular in form of a radial collar.
  • the at least one tongue-and-groove element is provided for, in particular, securely affixing the actuating element in the radial direction relative to the base body of the actuating shaft.
  • the tongue-and-groove element protrudes into the actuating shaft body so as to form a positive connection between the actuating element and the actuating shaft body.
  • the tongue-and-groove element can be implemented as a radial collar extending outwardly in the radial direction.
  • the actuating element may include at least one sealing element, in particular implemented as a radial projection and/or aligned with the actuating shaft body in the radial direction.
  • the sealing element is provided to define the actuating shaft body in at least one direction during manufacture of the actuating shaft.
  • Such design of the actuating element is advantageous in particular when the second material of which the actuating shaft body is made is produced with an injection molding process, because then there is no need for additional sealing measures in the region of the actuating element.
  • the sealing element may be, for example, a radial projection.
  • the sealing element may be aligned in the radial direction with the actuating shaft body.
  • the sealing element of the actuating element may extend, starting from the base body or its center, in the radial direction approximately to the same distance as the actuating shaft body.
  • the surface of the sealing element may be aligned with the surface of the actuating shaft body at least in the region where the actuating shaft body makes contact with the sealing element.
  • At least one cover element may be formed by the base body and/or the actuating shaft body.
  • the cover element is used, as already described above, for covering or for uncovering a suction tube opening of the suction tube arrangement.
  • the cover element may be implemented as a flap.
  • the cover element may be formed either by the base body, the actuating shaft body or a combination thereof.
  • the cover element may be formed by the actuating shaft body, wherein the second material may be selected to ensure an excellent sealing effect of the cover element.
  • a third material may be at least partially deposited on the base body and/or the actuating shaft body, or on the cover element.
  • the third material is an elastomer or a polymer.
  • the invention also relates to a method for producing an actuating shaft with an actuating element for actuating the actuating shaft.
  • the actuating shaft may be produced from a base body made of a first material and an actuating shaft body made of a second material and applied at least partially on the base body, wherein the actuating element is at least partially enclosed by the actuating shaft body.
  • the method for producing an actuating shaft with an actuating element for actuating the actuating shaft includes the steps of providing the base body and the actuating element, arranging the actuating element in relation to the base body, and subsequently applying the second material on the base body and the actuating element to form the actuating shaft body.
  • the second material is preferably applied with an injection molding process.
  • actuating shaft body on the base body and enclosing the actuating element are performed substantially simultaneously, in particular during an injection molding process. Accordingly, no consecutive process steps are implemented for forming the actuating shaft body and for attaching the actuating element. Instead, this is performed during a single process step which is preferably performed with an injection molding process.
  • the actuating shaft body is then molded on the base body so that the position of the actuating element with respect to the base body is fixed.
  • FIG. 1 shows a base body of an actuating shaft according to the present invention
  • FIG. 2 shows the base body, an actuating element and an actuating shaft body applied at least partially on the base body and the actuating element, according to the present invention
  • FIG. 3 shows a detailed cross-sectional view of the actuating shaft in the region of the actuating element.
  • an actuating shaft 1 wherein only a base body 2 of the actuating shaft 1 and a bearing sleeve 3 are illustrated.
  • the base body 2 is made, for example, of metal, in particular steel.
  • the base body 2 is shaped as a crankshaft and has at least one, in the illustrated embodiment, several regions 4 which are spaced from a rotation axis 5 in the radial direction.
  • the first process steps in a manufacturing process for manufacturing the actuating shaft 1 include providing the illustrated base body 2 and applying the at least one bearing sleeve on the base body 2 .
  • FIG. 2 shows the actuating shaft 1 after additional steps of the manufacturing process.
  • an actuating shaft body 6 is at least partially applied on the base body 2 .
  • the actuating shaft body 6 typically does not completely enclose the base body 2 . Instead, regions of the base body remain uncovered, in particular in the region of the rotation axis 5 .
  • the actuating shaft body 6 forms cover elements 7 in the regions 4 of the base body 2 which are spaced from the rotation axis 5 . These cooperate, for example, with suction tube openings disposed in a suction tube arrangement associated with the actuating shaft 1 .
  • the cover elements 7 are used to either uncover or cover, i.e. close, the suction tube openings.
  • the actuating shaft 1 can be moved to at least two rotation angle positions in a predetermined angular position range, wherein the suction tube openings are closed by the cover elements 7 in the first rotation angle position and uncovered in the second rotation angle position.
  • the actuating shaft 1 can be moved to any rotation angle position within the angular range for adjusting coverage of the suction tube openings by the cover elements 7 , in particular by closed-loop control and/or open-loop control.
  • the actuating shaft body 6 is applied on the base body 2 so as to provide a torque-proof connection therebetween.
  • the actuating shaft body 6 can also be used to secure the bearing sleeve 3 on the base body 2 , with the actuating shaft body 6 at least partially enclosing the bearing sleeve 3 , in particular on both sides of the bearing sleeve 3 .
  • An actuating element 8 is provided for actuating the actuating shaft 1 .
  • the actuating element 8 is arranged at one end of the base body 2 and in one of the regions 4 , i.e., spaced from the rotation axis 5 in the radial direction.
  • the actuating element 8 has a ball-shaped head 9 which is, for example, constructed to be operatively connected with a drive of the actuating shaft 1 via a coupling linkage. Accordingly, a torque from the drive can be applied to the actuating shaft 1 via the actuating element 8 , wherein the torque causes the actuating shaft 1 to rotate to the desired rotation angle position.
  • the actuating shaft 1 then rotates about its rotation axis 5 .
  • a support made, for example, of plastic for the actuating shaft 1 is provided in the region of the bearing sleeve 3 .
  • the bearing sleeve 3 is placed for support in an unillustrated bearing seat, thereby forming a radial bearing for the actuating shaft 1 .
  • FIG. 3 shows a detailed cross-sectional view of the actuating shaft 1 in the region of the actuating element 8 .
  • the region of the base body 2 projects into a recess 10 of the actuating element 8 .
  • the actuating element 8 at least partially circumferentially surrounds the base body 2 .
  • the recess 10 is formed so as to completely extend in the axial direction through the entire actuating element 8 and hence also through the ball-shaped head 9 .
  • the base body 2 does not completely extend through the actuating element 8 and the recess 10 , respectively, so that a blind hole 11 formed by the recess 10 is disposed in the bail-shaped head 9 .
  • a bottom 12 of the blind hole 11 is defined by the base body of the actuating shaft 1 , with the blind hole 11 being used, in particular, for centering.
  • the blind hole 11 may be closed after installation of the actuating shaft 1 , for example with a plug.
  • the recess 10 is advantageously dimensioned so as to clampingly hold the base body 2 in the recess 10 . This means that the inside dimensions of the recess 10 are at least slightly smaller than the outside dimensions of the base body 2 .
  • FIG. 3 also shows that the actuating element 8 is at least partially enclosed by the actuating shaft body 6 .
  • the actuating shaft body 6 is, for example, molded on the base body 2 .
  • the base body 2 is here made of a first material, which may for example be a metal, whereas the actuating shaft body 6 is made of a second material which is in particular a plastic.
  • the second material is typically different from the first material.
  • the actuating element 8 has a tongue-and-groove element 13 which engages with the actuating shaft body and may have the form of a radial collar. This prevents the actuating shaft body 6 from removing the actuating element 8 from the base body 2 .
  • the tongue-and-groove element 13 also forms a tongue-and-groove connection with the actuating shaft body 6 . The tongue-and-groove element 13 is thus used to affix the actuating element 8 with respect to the base body in the axial direction.
  • the actuating element 8 may additionally have a serration in the region enclosed by the actuating shaft body 6 , which serration extends substantially in the direction of the rotation axis 5 or at least at an angle to a circumferential direction.
  • the actuating element is thereby safely affixed relative to the base body 2 also in the circumferential direction. Engagement of the base body 2 in the recess 10 of the actuating element 8 provides a lock in the radial direction.
  • the actuating element 8 is then securely held in all spatial directions against displacement relative to the base body 2 .
  • the actuating element 8 includes at least one sealing element 14 , which delimits the length of the actuating shaft body in the axial direction towards the ball-shaped head 9 .
  • the sealing element 14 is hereby formed as a radial projection.
  • the sealing element 14 or an outer circumference 15 of the sealing element 14 is aligned with a surface 16 of the actuating shaft body 6 .
  • the outer circumference 15 of the sealing element 14 may also be enclosed by the actuating shaft body 6 .
  • actuating shaft body 6 In the manufacture of the actuating shaft 1 , application of the actuating shaft body 6 on the base body 2 and fixation of the actuating element 8 relative to the base body 2 may be performed essentially simultaneously, i.e. in a single process step.
  • the actuating shaft body 6 may be applied on the base body 2 with an injection molding process, with the actuating element 8 already being placed on the base body 2 ahead of time. In this way, an additional process step which would otherwise be required for securing the actuating element 8 on the base body or the actuating shaft body 6 can be eliminated. This enables a very cost-effective manufacture of the actuating shaft 1 .

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Gear-Shifting Mechanisms (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Manufacture Of Switches (AREA)
  • Push-Button Switches (AREA)
US13/229,990 2010-09-13 2011-09-12 Actuating shaft and method for producing an actuating shaft Abandoned US20120238371A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/913,118 US8926439B2 (en) 2010-09-13 2013-06-07 Suction tube arrangement with improved actuating shaft

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010045215.7 2010-09-13
DE102010045215A DE102010045215A1 (de) 2010-09-13 2010-09-13 Schaltwelle sowie Verfahren zur Herstellung einer Schaltwelle

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/913,118 Continuation US8926439B2 (en) 2010-09-13 2013-06-07 Suction tube arrangement with improved actuating shaft

Publications (1)

Publication Number Publication Date
US20120238371A1 true US20120238371A1 (en) 2012-09-20

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US13/229,990 Abandoned US20120238371A1 (en) 2010-09-13 2011-09-12 Actuating shaft and method for producing an actuating shaft
US13/913,118 Expired - Fee Related US8926439B2 (en) 2010-09-13 2013-06-07 Suction tube arrangement with improved actuating shaft

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US13/913,118 Expired - Fee Related US8926439B2 (en) 2010-09-13 2013-06-07 Suction tube arrangement with improved actuating shaft

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US (2) US20120238371A1 (zh)
EP (1) EP2428665B1 (zh)
CN (1) CN102400792B (zh)
DE (1) DE102010045215A1 (zh)

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JP2014101822A (ja) * 2012-11-21 2014-06-05 Mahle Filter Systems Japan Corp 内燃機関の吸気制御弁
US10293708B2 (en) 2016-04-20 2019-05-21 Audi Ag Recuperative brake on a vehicle

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Publication number Priority date Publication date Assignee Title
JP2023122975A (ja) * 2022-02-24 2023-09-05 株式会社ミクニ スロットル装置

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US8926439B2 (en) 2015-01-06
EP2428665B1 (de) 2013-08-21
US20130341546A1 (en) 2013-12-26
CN102400792B (zh) 2015-01-21
EP2428665A1 (de) 2012-03-14
DE102010045215A1 (de) 2012-03-15
CN102400792A (zh) 2012-04-04

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