CN103874831A - Camshaft adjusting device for an internal combustion engine in a motor vehicle - Google Patents

Camshaft adjusting device for an internal combustion engine in a motor vehicle Download PDF

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Publication number
CN103874831A
CN103874831A CN201280050339.1A CN201280050339A CN103874831A CN 103874831 A CN103874831 A CN 103874831A CN 201280050339 A CN201280050339 A CN 201280050339A CN 103874831 A CN103874831 A CN 103874831A
Authority
CN
China
Prior art keywords
brake disc
actuating device
braking
braking surface
camshaft adjuster
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.)
Pending
Application number
CN201280050339.1A
Other languages
Chinese (zh)
Inventor
T·斯托尔克
A·冯盖斯伯格-海芬伯格
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.)
Mercedes Benz Group AG
Original Assignee
DaimlerChrysler 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 DaimlerChrysler AG filed Critical DaimlerChrysler AG
Publication of CN103874831A publication Critical patent/CN103874831A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/352—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using bevel or epicyclic gear

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Braking Arrangements (AREA)

Abstract

The invention relates to a camshaft adjusting device for an internal combustion engine in a motor vehicle, comprising at least one mechanical braking unit (10) that includes at least one stationary actuator (11) having at least one first braking surface (12) and at least one second braking surface (13) movable relative to the first braking surface (12). The braking unit (10) also includes a brake disk (14) which is functionally separated from the actuator (11), is arranged at least in part between the braking surfaces (12, 13) of the actuator (11), and is to be connected to an adjusting input member (15).

Description

The camshaft adjuster of internal combustion engine of motor vehicle
Technical field
The present invention relates to a kind of by the camshaft adjuster as described in the preamble of claim 1.
Background technique
By the camshaft adjuster of the known a kind of internal combustion engine of motor vehicle of DE102008050824A1, it has mechanical braking unit.
Summary of the invention
The present invention is especially based on following task, provide a kind of cheaply, regulate short camshaft adjuster of used time.According to the present invention, described task solves by the feature of claim 1.Other design proposal is drawn by dependent claims.
According to the camshaft adjuster that the present invention proposes a kind of internal combustion engine of motor vehicle, it has at least one mechanical braking unit, described brake unit has the actuating device that at least one position is fixedly arranged, this actuating device has at least one first braking surface and the second braking surface that at least one can move with respect to described the first braking surface, and described brake unit has the brake disc separating with described actuating device in function, this brake disc is arranged at least in part between the braking surface of described actuating device and is arranged for to be connected to and regulates on input end.Thus, described actuating device and brake disc can be optimized independently of each other, can regulate better whereby the control time of internal combustion engine of motor vehicle.Thus, can reduce desired structure space, weight and/or the energy consumption of camshaft adjuster, can reduce costs whereby.By reducing the weight of brake disc, can reduce inertia, can improve thus governing speed.Thereby can provide regulate the used time short, camshaft adjuster cheaply." actuating device that position is fixedly arranged " is especially interpreted as having the actuating device of the fixing housing in position." position is fixed " be especially interpreted as static, preferably assemble regularly about the housing of internal combustion engine of motor vehicle.The actuating device that described position is fixedly arranged does not preferably have the member of rotation." braking surface " is especially interpreted as a face of actuating device, this face be provided for brake disc frictional fit be connected to provide braking moment." actuating device " is especially interpreted as a kind of member, and this member has at least one movable operating element, and this operating element preferred arrangements is removable with respect to the housing of actuating device.Described actuating device is preferably provided for, and electronics and/or electrical signal is converted into the mechanical motion of operating element.Described operating element is advantageously provided for brake disc is operated.Described operating element is preferably provided for directly contacting brake disc to operate." in function separated from one another brake disc and actuating device " is especially interpreted as, and the operating element of this actuating device and this brake disc form independently of one another, even therefore in the situation that lacking brake disc, preferably still function is normal for actuating device." setting " is especially interpreted as designing specially, assemble and/or arranging.
Further suggestion, described actuating device is designed to electromagnetism.Can realize thus particularly advantageous camshaft adjuster, this camshaft adjuster has short magnetic loop, thereby this camshaft adjuster energy consumes low subsidy, rapid reaction is made in the energising (Magnetbestromung) to calutron.In addition,, because the function of electromagnetic actuator device and brake disc separates the idle running time that can reduce camshaft adjuster, can shorten whereby the adjusting time.In addition, separate and can avoid brake disc to be designed to ferromagnetic by described function, can be optimized brake disc in weight, size and/or similar aspect whereby." electromagnetic actuator device " is especially interpreted as having the actuating device of at least one electromagnet, and this electromagnet is provided for mobile described operating element.
Especially advantageously, brake disc has the 5g/cm of being less than 3density, can obtain whereby the favourable brake disc that inertia is little.
Further advantageously, brake disc is designed to paramagnetic.Can obtain thus particularly advantageous brake disc.
In addition, advise that described camshaft adjuster comprises superposition gearing (Summiergetriebe), this superposition gearing for example has sun gear and regulates input end to form, and described brake disc is fixedly attached on this sun gear.Can especially advantageously be adjusted in thus the phase place between bent axle and camshaft." superposition gearing " is especially interpreted as a kind of speed changer, and it has at least one planetary pinion being connected with planetary carrier, this planetary pinion radially outwards with ring gear is connected with a joggle and radially inwardly and described sun gear be connected with a joggle.The preferred moment of torsion of described planetary carrier transmits ground and is connected with described bent axle, and described ring gear moment of torsion transmission ground is connected with described camshaft.
Brief description of the drawings
Other advantage is drawn by brief description of the drawings below.Embodiments of the invention shown in the drawings.Accompanying drawing, specification and claim comprise numerous Feature Combinations.Those skilled in the art will equally suitably individually consider described feature and be formed reasonably other combination.
Wherein:
Fig. 1 is the perspective view of camshaft adjuster; And
Fig. 2 is the sectional view of this camshaft adjuster.
Embodiment
Fig. 1 and Fig. 2 show the camshaft adjuster of internal combustion engine of motor vehicle, and the phase place that this camshaft adjuster is provided between unshowned bent axle herein and the camshaft 18 of internal combustion engine of motor vehicle to internal combustion engine of motor vehicle regulates.
In order to change phase place, described camshaft adjuster has mechanical braking unit 10, and this brake unit is provided for providing braking moment with control phase.Brake unit 10 has actuating device 11 that position is fixedly arranged and the brake disc 14 of rotation in the time that internal combustion engine of motor vehicle moves.Actuating device 11 brake activation dishes 14 are to provide braking moment and and then described phase place to be regulated.Actuating device 11 and brake disc 14 are separated from one another in function.They are configured to respectively independently member.Actuating device 11 and brake disc 14 are optimised aspect its specific task scope respectively independently of each other.
Actuating device 11 is designed to electromagnetism.It has the fixing housing in position 19, with respect to the fixing electromagnet 21 of the transportable operating element 20 of housing 19 and position.Housing 19 is designed to multi-part formula.Housing 19 is arranged as non-rotatable and irremovable.The housing not herein being shown specifically of itself and internal combustion engine of motor vehicle is permanently connected.Housing 19 is permanently connected with the cylinder head of internal combustion engine of motor vehicle.Electromagnet 21 is permanently connected with the housing 19 of actuating device 11.Described electromagnet is provided for move operation element 20.Operating element 20 is arranged as and can moves axially and non-rotatable.Described operating element is arranged as the running shaft that can be parallel to camshaft 18 and moves.Operating element 20 and brake disc 14 are separated from one another in function.They form independently of one another.In the time of energising (Bestromung), operating element 20 is pressed to brake disc 14 by electromagnet 21, brake disc 14 pressed to housing 19 simultaneously, produced thus braking moment.In cold situation and therefore in the no current state of electromagnet 21, operating element 20 and brake disc 14 and housing 19 and brake disc 14 are separated by air gap respectively.
Actuating device 11 has the first braking surface 12 and the second braking surface 13, and described braking surface is axially arranged each other opposed to each other.They are arranged as space certain distance.The first braking surface 12 is arranged as non-rotatable and irremovable, and the second braking surface 13 is only arranged as irremovable.The second braking surface 13 can move axially with respect to the first braking surface 12.The second braking surface 13 can move axially with respect to housing 19.The first braking surface 12 consists of the fixing housing 19 in the position of actuating device 11, and the second braking surface 13 consists of operating element 20.In order to form the second braking surface 13, operating element 20 has braking backing member 22.The braking backing member 22 of operating element 20 forms the second braking surface 13.Braking backing member 22 is permanently connected with operating element 20.It sticks on operating element 20.In order to produce braking moment, the second braking surface 13 axially presses the first braking surface 12 because the energising of electromagnet 21 makes brake disc 14, whereby braking surface 12,13 respectively with brake disc 14 frictional fit be connected and brake disc 14 is braked.Under the no current state of electromagnet 21, the first braking surface 12 and the second braking surface 13 are separated by air gap and brake disc 14 respectively.Operating element 20 and braking backing member 22 also can form in principle each other integratedly.Certainly it is also conceivable that the first braking surface 12 is same by braking backing member formation, this braking backing member and housing 19 are permanently connected.
Brake disc 14 is partly arranged between braking surface 12,13.Brake disc divides and is arranged between braking surface 12,13 in its upper outer circumference.A part for brake disc 14 is axially arranged between braking surface 12,13.Brake disc 14 is designed to rotatable member.It rotates in internal combustion engine of motor vehicle running.Brake disc 14 has running shaft, and this running shaft is corresponding with the running shaft of camshaft 18.It is arranged on axle 23 un-rotatably.
Brake disc 14 has the 5g/cm of being less than 3density and paramagnetic ground form.It is made up of light metal.It does not have ferromagnetic properties.Brake disc 14 is made of aluminum.Brake disc 14 further has the braking backing member not being shown specifically herein.This braking backing member and brake disc 14 are permanently connected.It sticks on brake disc 14.This braking backing member is arranged in two axial sides of brake disc 14.It is provided for contacting with the corresponding braking surface 12,13 of actuating device 11 respectively.This braking backing member is made up of cfrp (CFK).Brake disc 14 and described braking backing member also can form in principle each other integratedly, and therefore brake disc 14 is made up of cfrp.
Be connected in order to make described bent axle and camshaft 18 moment of torsion transmission, described camshaft adjuster has superposition gearing 16.Superposition gearing 16 is designed to triple axle deceleration superposition gearing (3-Wellen-Minus-Summiergetriebe).It is configured to single-stage planetary gear-shift transmission.Superposition gearing 16 has sun gear 17, and this sun gear and axle 23 are permanently connected and and then are permanently connected with brake disc 14.Axle 23 and sun gear 17 form each other integratedly.Sun gear 17 is designed to the adjusting input end 15 of superposition gearing 16.Thus, brake disc 14 is fixedly connected on the adjusting input end 15 of superposition gearing 16.For phase place is regulated, brake disc 14 is fixedly connected to and regulates on input end 15.
Superposition gearing 16 also has planetary carrier 25, and the crankshaft gear 24 of this planetary carrier and described camshaft adjuster is permanently connected.Crankshaft gear 24 and planetary carrier 25 form each other integratedly.Planetary carrier 25 by crankshaft gear 24 and the transmission of bent axle moment of torsion be connected.It is driven by bent axle.Crankshaft gear 24 is configured to sprocket wheel.Its by chain and the transmission of bent axle moment of torsion be connected.Planetary carrier 25 guides around the running shaft of camshaft 18 planetary pinion engaging with sun gear 17.Planetary carrier 25 is designed to the input end of superposition gearing 16.
In addition, superposition gearing 16 has ring gear 26.Ring gear 26 is permanently connected with camshaft 18.Camshaft 18 and ring gear 26 form each other integratedly.Ring gear 26 drive cam shaft 18.Ring gear engages with the planetary pinion of superposition gearing 16.Ring gear 26 is designed to the output terminal of superposition gearing 16.
Reference numerals list
10 brake units
11 actuating devices
12 braking surfaces
13 braking surfaces
14 brake discs
15 regulate input end
16 superposition gearings
17 sun gears
18 camshafts
19 housings
20 operating elements
21 electromagnet
22 braking backing members
23 axles
24 crankshaft gears
25 planetary carriers
26 ring gears.

Claims (5)

1. the camshaft adjuster of an internal combustion engine of motor vehicle, described camshaft adjuster has at least one mechanical brake unit (10), the brake unit of described machinery has the actuating device (11) that at least one position is fixedly arranged, described actuating device has at least one first braking surface (12) and at least one is with respect to mobile the second braking surface of the first braking surface (12) (13), the brake unit of described machinery has the brake disc (14) separating with described actuating device (11) in function, described brake disc is arranged in the braking surface (12 of described actuating device (11) at least in part, 13) between and be provided for being connected to regulate input end (15).
2. by camshaft adjuster claimed in claim 1, it is characterized in that, described actuating device (11) is designed to electromagnetic type.
3. by the camshaft adjuster described in claim 1 or 2, it is characterized in that, described brake disc (14) has the 5g/cm of being less than 3density.
4. by the camshaft adjuster described in any one in the claims, it is characterized in that, described brake disc (14) is designed to paramagnetic.
5. by the camshaft adjuster described in any one in the claims, it is characterized in that, be provided with superposition gearing (16), described superposition gearing has for example sun gear (17) and regulates input end (15) to form, and described brake disc (14) is fixedly attached on described sun gear (17).
CN201280050339.1A 2011-10-14 2012-09-04 Camshaft adjusting device for an internal combustion engine in a motor vehicle Pending CN103874831A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102011116164.7 2011-10-14
DE102011116164A DE102011116164A1 (en) 2011-10-14 2011-10-14 Camshaft adjusting device of a motor vehicle internal combustion engine
PCT/EP2012/003697 WO2013053415A1 (en) 2011-10-14 2012-09-04 Camshaft adjusting device for an internal combustion engine in a motor vehicle

Publications (1)

Publication Number Publication Date
CN103874831A true CN103874831A (en) 2014-06-18

Family

ID=46801430

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201280050339.1A Pending CN103874831A (en) 2011-10-14 2012-09-04 Camshaft adjusting device for an internal combustion engine in a motor vehicle

Country Status (6)

Country Link
US (1) US20140202410A1 (en)
EP (1) EP2766583A1 (en)
JP (1) JP2014528547A (en)
CN (1) CN103874831A (en)
DE (1) DE102011116164A1 (en)
WO (1) WO2013053415A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105164380B (en) * 2013-05-02 2018-01-23 戴姆勒股份公司 Adjusting apparatus, the adjusting apparatus for being particularly the camshaft for being used to adjust internal combustion engine
DE102013018632A1 (en) * 2013-11-06 2015-05-07 Daimler Ag Adjusting device for an internal combustion engine
DE102014005950A1 (en) * 2014-04-24 2015-10-29 Daimler Ag Camshaft adjusting device
TWI702162B (en) * 2019-06-26 2020-08-21 興富康工業有限公司 Engine adjusting device
US11118487B1 (en) * 2020-04-20 2021-09-14 Schaeffler Technologies AG & Co. KG Timing wheel for camshaft phaser

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6328008B1 (en) * 1999-08-03 2001-12-11 Unisia Jecs Corporation Valve timing control system for internal combustion engine
US20020170513A1 (en) * 1999-09-22 2002-11-21 Aimbridge Pty Ltd Phase control mechanism
CN1675479A (en) * 2002-06-11 2005-09-28 申克碳化技术股份有限公司 Tribological fiber composite component produced according to the tfp process
US20100089710A1 (en) * 2008-10-14 2010-04-15 Michael Franke Brake disk
DE102008043672A1 (en) * 2008-11-12 2010-05-20 Zf Friedrichshafen Ag Valve drive for four-stroke internal combustion piston engine of vehicle, has fixed component whose cavity is sealed and filled with magneto-rheological fluid, where ductility of fluid is controllable by strength of magnetic field
DE102008043673A1 (en) * 2008-11-12 2010-05-20 Zf Friedrichshafen Ag Camshaft adjustment system for internal combustion engine, has differential drives formed as planet gear with output element comprising hollow wheel

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0138356Y2 (en) * 1986-01-31 1989-11-16
JPH083341B2 (en) * 1988-10-21 1996-01-17 多摩川精機株式会社 Brake device
US6457446B1 (en) * 1999-09-22 2002-10-01 Aimbridge Pty Ltd. Phase control mechanism
DE102008050824A1 (en) 2008-10-08 2010-04-15 Schaeffler Kg Emergency brake for use in electromechanical adjusting device for camshaft of internal combustion engine, has brake disk or magnet housing moved between free-running and braking positions by magnetic force generated by energizing coil

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6328008B1 (en) * 1999-08-03 2001-12-11 Unisia Jecs Corporation Valve timing control system for internal combustion engine
US20020170513A1 (en) * 1999-09-22 2002-11-21 Aimbridge Pty Ltd Phase control mechanism
CN1675479A (en) * 2002-06-11 2005-09-28 申克碳化技术股份有限公司 Tribological fiber composite component produced according to the tfp process
US20100089710A1 (en) * 2008-10-14 2010-04-15 Michael Franke Brake disk
DE102008043672A1 (en) * 2008-11-12 2010-05-20 Zf Friedrichshafen Ag Valve drive for four-stroke internal combustion piston engine of vehicle, has fixed component whose cavity is sealed and filled with magneto-rheological fluid, where ductility of fluid is controllable by strength of magnetic field
DE102008043673A1 (en) * 2008-11-12 2010-05-20 Zf Friedrichshafen Ag Camshaft adjustment system for internal combustion engine, has differential drives formed as planet gear with output element comprising hollow wheel

Also Published As

Publication number Publication date
EP2766583A1 (en) 2014-08-20
US20140202410A1 (en) 2014-07-24
WO2013053415A1 (en) 2013-04-18
JP2014528547A (en) 2014-10-27
DE102011116164A1 (en) 2013-04-18

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Application publication date: 20140618