CN110219952A - Belt tensioner and band transmission - Google Patents
Belt tensioner and band transmission Download PDFInfo
- Publication number
- CN110219952A CN110219952A CN201810174639.XA CN201810174639A CN110219952A CN 110219952 A CN110219952 A CN 110219952A CN 201810174639 A CN201810174639 A CN 201810174639A CN 110219952 A CN110219952 A CN 110219952A
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- Prior art keywords
- shell
- belt tensioner
- pedestal
- buffer spring
- tensioning
- 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
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 40
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000007858 starting material Substances 0.000 claims description 14
- 230000033001 locomotion Effects 0.000 claims description 10
- 238000002485 combustion reaction Methods 0.000 claims description 7
- 230000003139 buffering effect Effects 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 claims description 2
- 238000010248 power generation Methods 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 abstract description 9
- 230000008859 change Effects 0.000 abstract description 2
- 230000007704 transition Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H7/10—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley
- F16H7/12—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley
- F16H7/1209—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley with vibration damping means
Abstract
The present invention relates to belt tensioner and band transmissions.The belt tensioner includes pedestal, shell, the first tensioning wheel, the second tensioning wheel and elastomeric element, the shell can be installed to the pedestal relative to the base rotation, first tensioning wheel and second tensioning wheel are installed to the shell, the elastomeric element is provided between first tensioning wheel and second tensioning wheel, wherein, buffer gear is provided between the pedestal and the shell.Such as when in the band transmission that the belt tensioner is used in the driving wheel with checker and driven wheel, when the working condition of band transmission switches (such as, when driving wheel and driven wheel change), tensioning apparatus of the invention can make entire mechanism held stationary transition, disturbance, noise and the impact of reducing mechanism improve the operation ride comfort and service life of entire mechanism.
Description
Technical field
The present invention relates to band transmission field more particularly to a kind of belt tensioner and including the transmission belt
The band transmission of tight device.
Background technique
It is necessary to have the tensioning of two tensioning wheels dresses in the band transmission of driving wheel and driven wheel checker
It sets.Such band transmission includes such as but not limited to the V belt translation formula of internal combustion engine (hereinafter, also referred to as engine) starts
The band transmission of machine generator.
Figure 1A to Fig. 1 C conceptually illustrates a kind of tensioning of the V belt translation formula starter generator of existing internal combustion engine
The different working condition of device.The specific structure of tensioning apparatus is known to the skilled in the art, as an example, can refer to
Chinese patent CN103154574B, CN103987940B, CN102954167A, CN106068404A etc..
As shown in Figure 1A, the original state that and starter generator inactive in internal combustion engine does not work, entire transmission mechanism
It remains static.Cricoid transmission belt 100 successively bypasses the rotor of output shaft axle (or driving wheel) 3 of starter generator, starts
The crankshaft 4 and attachment rotor 5 (such as rotor of compressor of air conditioner etc.) of machine.The pedestal 1 of tensioning apparatus generates electricity relative to starter motor
The shell of machine is fixed, and the first tensioning wheel 6 and the second tensioning wheel 7 of tensioning apparatus compress and are tensioned transmission belt 100.
It is worth noting that, attachment rotor 5 it is not necessary to, in some cases, attachment rotor 5 can be saved.
As shown in Figure 1B, when starting state starts, the rotor of output shaft axle 3 of starter generator is rotated as driving wheel
(such as rotating clockwise), band dynamic crankshaft 4 are rotated as driven wheel.At this point, the transmission belt between the first tensioning wheel 6 and crankshaft 4
Belong to traction section, in tensioning state, the transmission belt between attachment rotor 5 and the second tensioning wheel 7 belongs to reverse-running section, in relaxation shape
State, thus the shell 2 of tensioning apparatus and the first tensioning wheel 6 deflect certain angle relative to the pedestal of tensioning apparatus 1 together clockwise
Degree.Shell 2 deflects suddenly relative to pedestal 1, not only brings disturbance and noise, but also to tensioning apparatus, transmission belt 100 and band
Other components of formula transmission mechanism all bring certain injury.
As shown in Figure 1 C, when generating state starts, crankshaft 4 drives as driving wheel rotation (such as rotating clockwise)
The rotor of output shaft axle 3 of starter generator is rotated as driven wheel.At this point, the transmission belt category between the first tensioning wheel 6 and crankshaft 4
In reverse-running section, be in relaxed state, the transmission belt between attachment rotor 5 and the second tensioning wheel 7 belongs to traction section, in tensioning state,
Thus, the second tensioning wheel 7 drives 2 He of shell via the tensioning spring being arranged between the tensioner arm and shell 2 of the second tensioning wheel 7
First tensioning wheel 6 deflects certain angle relative to pedestal 1 counterclockwise.Since the second tensioning wheel 7 deflects suddenly relative to pedestal 1,
Shell 2 and the first tensioning wheel 6 also occur to deflect suddenly relative to pedestal 1, not only bring disturbance and noise, but also fill to tensioning
It sets, other components of transmission belt 100 and band transmission all bring certain injury.
Summary of the invention
Make the present invention in view of the above-mentioned problems of the prior art.
A kind of belt tensioner comprising pedestal, shell, the first tensioning wheel, the second tensioning wheel and elastomeric element,
In, the shell can be installed to the pedestal, first tensioning wheel and second tensioning relative to the base rotation
Wheel is installed to the shell, is provided with the elastomeric element between first tensioning wheel and second tensioning wheel,
Wherein, buffer gear is provided between the pedestal and the shell.
In at least one embodiment, the first end of the buffer gear is pivotally mounted to the pedestal, described
The second end of buffer gear is pivotally mounted to the shell.
In at least one embodiment, the buffer gear includes buffer spring.
In at least one embodiment, the buffer spring compressed when being under pressure and be used as compressed spring, by
Elongation when to pulling force and be used as extension spring.
In at least one embodiment, the first end of the buffer spring passes through the first linking arm and the pedestal phase
Even, the second end of the buffer spring is connected by the second linking arm with the shell.
In at least one embodiment, first linking arm be fixedly installed to the pedestal or with the pedestal one
It is body formed, and/or,
Second linking arm is fixedly installed to the shell or is integrally formed with the shell.
In at least one embodiment, the buffer gear further includes guide part, the buffer spring stress deformation
Motion profile is guided by the guide part.
In at least one embodiment, the first end of the buffer spring is fixed to the first fixed device, and described first
Fixed device includes that the second end for the first guide part and/or buffer spring being oriented to the buffer spring is fixed
To the second fixed device, the described second fixed device includes the second guide part being oriented to the buffer spring.
In at least one embodiment, the guide sleeve is located inside the helical structure of the buffer spring.
In at least one embodiment, the both ends of the buffer spring pass through first guide part and described respectively
Two guide parts are oriented to, and movement interference will not occur for first guide part and second guide part.
In at least one embodiment, first tensioning wheel is fixedly installed to the shell, second tensioning wheel
The shell can be installed to moving relative to the shell.
A kind of band transmission comprising the first actuator, the second actuator, around first actuator and described
The cricoid transmission belt of second actuator setting, wherein first actuator and/or second actuator can drive
Switch between mode and follower mode,
Wherein, the band transmission further includes belt tensioner according to the present invention.
In at least one embodiment, first actuator is starter generator, and second actuator is interior
The crankshaft of combustion engine.
In at least one embodiment, in the band transmission non-operational state, the buffer gear
Buffer spring is substantially at neutral state, that is, is uncompressed the state being also not stretched.
The present invention provides a kind of belt tensioners, are provided between the pedestal and shell being relatively rotatable to each other
Buffer gear, such as the band transmission of driving wheel and driven wheel with checker is used in the belt tensioner
When middle, when the working condition of band transmission switches (for example, when driving wheel and driven wheel change), this hair
Bright tensioning apparatus can make entire mechanism held stationary transition, and disturbance, noise and the impact of reducing mechanism improve entire mechanism
Run ride comfort and service life.
Detailed description of the invention
Figure 1A to Fig. 1 C conceptually illustrates a kind of tensioning of the V belt translation formula starter generator of existing internal combustion engine
The different working condition of device.
Fig. 2 is the schematic diagram of the belt tensioner with buffer gear of an embodiment of the invention.
Description of symbols
100 transmission belts
1 pedestal
1.1 axle sleeve
2 shells
The end cap of 2.1 shells
The rotor of output shaft axle of 3 starter generators
4 crankshafts
5 attachment rotors
6 first tensioning wheels
7 second tensioning wheels
8 tensioner arms
9 first linking arms
10 second linking arms
11 buffer gears
11.1 first fixed devices
11.2 second fixed devices
11.3 the first guide part
11.4 the second guide part
11.5 buffer springs
Specific embodiment
Exemplary embodiments of the present invention are described with reference to the accompanying drawings.It should be appreciated that these specific descriptions are only used for
How teaching those skilled in the art implement the present invention, rather than all feasible modes that exhaustion is of the invention, without in
It limits the scope of the invention.
Referring to Fig. 2, primary structure and the work of the belt tensioner with buffer gear of the invention is described below
Process.
First embodiment
According to first embodiment, belt tensioner of the invention includes pedestal 1, shell 2, the first tensioning wheel 6,
Two tensioning wheels 7, tensioner arm 8 and tensioning spring.Pedestal 1 can be used as fixing component, such as outer fixed to starter generator
Shell.Shell 2 is sheathed on the axle sleeve 1.1 of pedestal 1, so that shell 2 can be rotated around axle sleeve 1.1 relative to pedestal 1.Shell 2 is equipped with
First tensioning wheel 6 and the second tensioning wheel 7, wherein the first tensioning wheel 6 is fixedly installed to shell 2, and the second tensioning wheel 7 passes through tensioning
Arm 8 can rotationally be connect with shell 2 relative to shell 2.The tensioning spring of compression, example are provided between tensioner arm 8 and shell 2
Such as, tensioning spring can partly be sheathed on tensioner arm 8 the part opposite with the second tensioning wheel 7 (in Fig. 2, tensioning spring
It is therefore, invisible in Fig. 2 in the region covered by the end cap 2.1 of shell 2).
It should be appreciated that other elastomeric elements (for example, rubber etc.) can be used to replace tensioning spring.
In the present embodiment, it is fixedly installed the first linking arm 9 on pedestal 1, is fixedly installed the second connection on shell 2
Arm 10.It is exemplary that the first linking arm 9 can be used as a part of pedestal 1 and be integrally formed with pedestal 1 and not restrictive, the
Two linking arms 10 can also be used as a part of shell 2 and be integrally formed with shell 2.The extension end of first linking arm 9 is articulated with
The fixed device 11.1 of the first of buffer gear 11, the extension end of the second linking arm 10 are articulated with the second fixed dress of buffer gear 11
Set 11.2.First fixed device 11.1 includes the first guide part 11.3, and the second fixed device 11.2 includes the second guide part 11.4；
In the figure 2 example, the first guide part 11.3 and the second guide part 11.4 are rod-shaped.Buffer gear 11 further includes buffer spring
11.5, the both ends of buffer spring 11.5 are respectively sleeved on the first guide part 11.3 and the second guide part 11.4 and with corresponding
One fixed device 11.1 and the second fixed device 11.2 are fixed.
Buffer spring 11.5 is both compressed spring and extension spring, that is, buffer spring 11.5 is when by axial compressive force
It compresses and works as compressed spring, extend when by axial tension and work as extension spring.To no matter shell
Body 2 is rotated clockwise or is rotated counterclockwise relative to pedestal 1, and buffer spring 11.5 can provide slow when above-mentioned rotation occurs
Punching/damping.
The shape and/or position of first guide part 11.3 and the second guide part 11.4 are preferably configured to meet: being tensioned
In the course of work of device, when shell 2 causes buffer gear 11 to work relative to the rotation of pedestal 1, in buffer spring 11.5
Any moment of deformation, the first guide part 11.3 and the second guide part 11.4, which will not collide, waits movement interferences.For example, passing through
Design to the first guide part 11.3 and the second guide part 11.4 position during the motion, is arranged its length, the end both made
It does not meet always in the course of work of tensioning apparatus in portion；Alternatively, making the first guide part 11.3 and the second guide part by design
11.4 can occur not generating the stacked on top of each other of interference during the motion.
The course of work of the tensioning apparatus of the embodiment is briefly described below.
(1) A to Fig. 1 C, Fig. 2 referring to Fig.1, it is assumed that the tensioning apparatus in Fig. 1 is replaced with the tensioning apparatus of present embodiment.
In original state shown in figure 1A, buffer spring 11.5 is in its initial length, that is, is not compressed and is not also stretched, at this point, shell
Relative movement between body 2 and pedestal 1 is not influenced substantially by buffer spring 11.5.
(2) when the starting state shown in Figure 1B starts, the working condition switching of tensioning apparatus causes shell 2 bottom of relative to
Seat 1 rotates clockwise, and the second linking arm 10 pushes the second fixed device 11.2 to the side close to the first fixed device 11.1
To movement, buffer spring 11.5 is occurred certain compressive deformation by axial compressive force and generates opposite with deformation direction anti-
Active force；The reaction force is passed to shell 2, slows down velocity of rotation of the shell 2 relative to pedestal 1, so that shell 2,
The swing of one tensioning wheel 6 and the second tensioning wheel 7 flattens suitable.When tensioning apparatus working condition switch complete when, shell 2 relative to
The angle that rotates clockwise of pedestal 1 is not further added by and (before this, might have the process reduced from maximum rotation angle), buffering
Spring 11.5 keeps certain decrement, and system reaches dynamic equilibrium.
(3) as shown in Figure 1 C, when generating state starts, the switching of the working condition of tensioning apparatus cause shell 2 relative to
Pedestal 1 rotates counterclockwise, and the second linking arm 10 drives the second fixed device 11.2 to far from the first fixed device 11.1
Direction movement, buffer spring 11.5 are occurred certain stretcher strain by axial tension and generate opposite with deformation direction anti-
Active force；The reaction force is passed to shell 2, slows down velocity of rotation of the shell 2 relative to pedestal 1, so that shell 2,
The swing of one tensioning wheel 6 and the second tensioning wheel 7 flattens suitable.When the working condition handoff procedure of tensioning apparatus is completed, 2 phase of shell
The angle that rotates counterclockwise of pedestal 1 is not further added by and (before this, might have the process reduced from maximum rotation angle),
Buffer spring 11.5 keeps certain amount of tension, and system reaches dynamic equilibrium.
It should be appreciated that the generating state of starter generator can be opened in vehicle deceleration or descending.Starter motor power generation
The state that machine can have neither output power nor generate electricity, starter generator, which can have, makes its starting in output power
Machine (motor), generator and the switching mechanism neither switched between output power nor the state to generate electricity.Therefore, it is not necessary to directly
The starting state shown in Figure 1B jumps to generating state shown in Fig. 1 C.
It should be appreciated that tensioning apparatus of the invention is not limited to use in the band transmission of internal combustion engine.Tensioning of the invention
Device may be used as the following band transmission of arbitrary structures and purposes: the band transmission includes the first actuator, the
Two actuators and optional driven member, around the cricoid biography of the first actuator, the second actuator and optional driven member setting
Dynamic band, wherein the first actuator and/or the second actuator can switch between drive mode and follower mode.
Second embodiment
The embodiment provides mode of texturing on tensioning apparatus ontology relative to first embodiment.
In the first embodiment, the first tensioning wheel 6 is fixedly installed to shell 2.However, on the shell 2 of tensioning apparatus
In the case where two tensioning wheels are arranged, two tensioning wheels can be supported on shell 2 by tensioner arm.
Third embodiment
The embodiment provides deformation side on buffer gear 11 relative to first embodiment and second embodiment
Formula.
The first mode of texturing, two guide parts, which can be set into, to connect together and overall performance is that can contract the shape stretched
Formula.
Second of mode of texturing, guide part are arranged to conduit forms and are set in outside buffer spring 11.5, to buffer
Certain guiding role is provided in the compression of spring 11.5 or draw-texture process for buffer spring 11.5.
Buffer spring is substituted for other damping pieces for being able to bear stretching and compressing force, example by the third mode of texturing
Such as yielding rubber.
One or more advantages in following advantages may be implemented in above embodiment of the invention:
1. tensioning apparatus of the invention makes tensioning apparatus in the band transmission of driving wheel and driven wheel checker
The swing of shell, tensioning wheel steadily carry out, reduce disturbance and the noise of system；
2. tensioning apparatus of the invention protect tensioning apparatus each component and band transmission each component from mistake
Big impact.
It should be appreciated that above embodiment is merely exemplary, it is not used in the limitation present invention.Those skilled in the art can be with
Various modifications and changes are made to above embodiment under the teachings of the present invention, without departing from the scope of the present invention.
Claims (14)
1. a kind of belt tensioner comprising pedestal, shell, the first tensioning wheel, the second tensioning wheel and elastomeric element,
In, the shell can be installed to the pedestal, first tensioning wheel and second tensioning relative to the base rotation
Wheel is installed to the shell, is provided with the elastomeric element between first tensioning wheel and second tensioning wheel,
Wherein, buffer gear is provided between the pedestal and the shell.
2. belt tensioner according to claim 1, which is characterized in that the first end of the buffer gear is pivotable
Ground is installed to the pedestal, and the second end of the buffer gear is pivotally mounted to the shell.
3. belt tensioner according to claim 1, which is characterized in that the buffer gear includes buffer spring.
4. belt tensioner according to claim 3, which is characterized in that buffer spring pressure when being under pressure
It contracts and is used as compressed spring, extend when subjected to tension and be used as extension spring.
5. belt tensioner according to claim 3, which is characterized in that the first end of the buffer spring passes through the
One linking arm is connected with the pedestal, and the second end of the buffer spring is connected by the second linking arm with the shell.
6. belt tensioner according to claim 5, which is characterized in that first linking arm is fixedly installed to institute
It states pedestal or is integrally formed with the pedestal, and/or,
Second linking arm is fixedly installed to the shell or is integrally formed with the shell.
7. belt tensioner according to claim 3, which is characterized in that the buffer gear further includes guide part,
The motion profile of the buffer spring stress deformation is guided by the guide part.
8. belt tensioner according to claim 7, which is characterized in that the first end of the buffer spring is fixed to
First fixed device, the described first fixed device include the first guide part being oriented to the buffer spring and/or described
The second end of buffer spring is fixed to the second fixed device, and the described second fixed device includes being oriented to the buffer spring
The second guide part.
9. belt tensioner according to claim 8, which is characterized in that the guide sleeve is located at the buffering elastic
Inside the helical structure of spring.
10. belt tensioner according to claim 8, which is characterized in that the both ends of the buffer spring lead to respectively
It crosses first guide part and second guide part is oriented to, and first guide part and second guide part will not
Movement interference occurs.
11. belt tensioner according to claim 1, which is characterized in that first tensioning wheel is fixedly installed to
The shell, second tensioning wheel can be installed to the shell with moving relative to the shell.
12. a kind of band transmission comprising the first actuator, the second actuator, around first actuator and described
The cricoid transmission belt of second actuator setting, wherein first actuator and/or second actuator can drive
Switch between mode and follower mode,
Wherein, the band transmission further includes belt tensioner described in any one of claims 1 to 11.
13. band transmission according to claim 12, which is characterized in that first actuator is starter motor power generation
Machine, second actuator are the crankshaft of internal combustion engine.
14. band transmission according to claim 12 or 13, which is characterized in that in the non-work of the band transmission
In the state of work, the buffer spring of the buffer gear is substantially at neutral state, that is, is uncompressed the shape being also not stretched
State.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810174639.XA CN110219952A (en) | 2018-03-02 | 2018-03-02 | Belt tensioner and band transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810174639.XA CN110219952A (en) | 2018-03-02 | 2018-03-02 | Belt tensioner and band transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110219952A true CN110219952A (en) | 2019-09-10 |
Family
ID=67822072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810174639.XA Pending CN110219952A (en) | 2018-03-02 | 2018-03-02 | Belt tensioner and band transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110219952A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005052339A1 (en) * | 2003-10-31 | 2005-06-09 | Schaeffler Kg | Damping device integrated into a pivot bearing |
| DE102004012395A1 (en) * | 2004-03-13 | 2005-09-29 | Ina-Schaeffler Kg | Tension unit e.g. for drive in machine such as combustion engine, has belt or chain drive with wheels turning and connected with starter generator and unit has two idlers arranged at clamping arm with machine stored by shock absorber |
| US20060287146A1 (en) * | 2005-06-15 | 2006-12-21 | Mcvicar Paul J | Belt alternator starter accessory drive with dual tensioner |
| EP1790874A1 (en) * | 2005-11-26 | 2007-05-30 | Schaeffler KG | Tensioner for a drive belt or a drive chain |
| DE102011089394A1 (en) * | 2011-12-21 | 2013-06-27 | Schaeffler Technologies AG & Co. KG | Clamping device for belt drive, has drive wheel, one or more belt pulleys and continuously circulating belt that loops drive wheel and belt pulleys, where clamping rollers act upon belt in circulating direction front and behind drive wheel |
| CN103987940A (en) * | 2011-12-15 | 2014-08-13 | 舍弗勒技术有限两合公司 | Clamping device for a belt drive |
| CN105864378A (en) * | 2016-04-07 | 2016-08-17 | 宁波丰茂远东橡胶有限公司 | Belt tensioning equipment of hybrid electric vehicle |
| DE102016213274A1 (en) * | 2016-07-20 | 2018-01-25 | Schaeffler Technologies AG & Co. KG | Toothed belt tensioner as eccentric tensioner |
-
2018
- 2018-03-02 CN CN201810174639.XA patent/CN110219952A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005052339A1 (en) * | 2003-10-31 | 2005-06-09 | Schaeffler Kg | Damping device integrated into a pivot bearing |
| DE102004012395A1 (en) * | 2004-03-13 | 2005-09-29 | Ina-Schaeffler Kg | Tension unit e.g. for drive in machine such as combustion engine, has belt or chain drive with wheels turning and connected with starter generator and unit has two idlers arranged at clamping arm with machine stored by shock absorber |
| US20060287146A1 (en) * | 2005-06-15 | 2006-12-21 | Mcvicar Paul J | Belt alternator starter accessory drive with dual tensioner |
| EP1790874A1 (en) * | 2005-11-26 | 2007-05-30 | Schaeffler KG | Tensioner for a drive belt or a drive chain |
| CN103987940A (en) * | 2011-12-15 | 2014-08-13 | 舍弗勒技术有限两合公司 | Clamping device for a belt drive |
| DE102011089394A1 (en) * | 2011-12-21 | 2013-06-27 | Schaeffler Technologies AG & Co. KG | Clamping device for belt drive, has drive wheel, one or more belt pulleys and continuously circulating belt that loops drive wheel and belt pulleys, where clamping rollers act upon belt in circulating direction front and behind drive wheel |
| CN105864378A (en) * | 2016-04-07 | 2016-08-17 | 宁波丰茂远东橡胶有限公司 | Belt tensioning equipment of hybrid electric vehicle |
| DE102016213274A1 (en) * | 2016-07-20 | 2018-01-25 | Schaeffler Technologies AG & Co. KG | Toothed belt tensioner as eccentric tensioner |
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