CN101590871A - The denoising device of motor driven power steering system - Google Patents
The denoising device of motor driven power steering system Download PDFInfo
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- CN101590871A CN101590871A CNA2008101909586A CN200810190958A CN101590871A CN 101590871 A CN101590871 A CN 101590871A CN A2008101909586 A CNA2008101909586 A CN A2008101909586A CN 200810190958 A CN200810190958 A CN 200810190958A CN 101590871 A CN101590871 A CN 101590871A
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- coupler
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- denoising device
- turbo
- main body
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- 230000003139 buffering effect Effects 0.000 claims abstract description 3
- 241000269799 Perca fluviatilis Species 0.000 claims description 17
- 238000005452 bending Methods 0.000 claims description 9
- 230000003321 amplification Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
- B62D5/0442—Conversion of rotational into longitudinal movement
- B62D5/0454—Worm gears
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- 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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
- F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
- F16H1/16—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising worm and worm-wheel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2306/00—Other features of vehicle sub-units
- B60Y2306/09—Reducing noise
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Power Steering Mechanism (AREA)
- Gear Transmission (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
A kind of denoising device of motor driven power steering system can comprise: turbo-shaft, and the one end is connected with the inclination bearing, and this inclination bearing is connected with housing, and supports turbine shaft rotationally; Axle drive shaft, it is connected with motor; Power transmits the component, the whole assembling of the axle drive shaft of itself and motor; Coupler, its end with the axle drive shaft of motor is connected, and the axle drive shaft of motor is connected with turbo-shaft is whole, and rotating betwixt, wherein coupler comprises the coupler main body; And elastic buffer component, it is formed on one or two side of coupler with buffering vibration and/or noise.
Description
The cross reference of related application
It is the preceence that is respectively 10-2008-0049178 and 10-2008-0103232, the applying date korean patent application on May 27th, 2008 and on October 21st, 2008 that the application requires application number, and is incorporated by reference in its entirety for all purposes.
Technical field
The present invention relates to a kind of motor driven power steering system, the denoising device (noise reduction device) of motor driven power steering system (motor driven power steering system) particularly, it can be supported on elastic body by the bearing cone that will be used for supporting rotationally worm-wheel shaft (worm gear shaft), the gimp that produces in bearing when reducing the turning to of control bearing circle effectively.
Background technology
Driver assistance person control bearing circle power power steering system as the steering swivel system of vehicle by people extensively known to, and control the hydraulic power steering system of power of bearing circle through being usually used in power steering system by producing oil pressure driver assistance person.Yet recently, used turning effort driver assistance person by motor to control the eco-friendly motor driven power steering system of power of bearing circle as power steering system.
Motor driven power steering system is by making that by increasing power steering the control effort of bearing circle is lighter when the low vehicle speeds, and when reducing power steering, make that the control effort of bearing circle is heavier, thereby realize driving stability, and by in case of emergency providing optimum power steering for chaufeur by quick steering.
The motor-driven steering swivel system is divided into all kinds according to the installation site of motor.Fig. 1 shows motor and is installed in column type motor driven power steering system on the Steering gear (steerign column).
That is, worm-gear toothing (worm wheel gear) 2 is installed in periphery with the rotatable bonded assembly Steering gear 1 of bearing circle integratedly so that can rotate.Be formed on the turbo-shaft 3a with worm-gear toothing 2 ingear worm gears 3.Turbo-shaft 3a is supported by bearing 4a and 4b at its two ends.Turbo-shaft 3a is connected with motor 5 by coupler (coupling) 6, to transmit the turning effort from motor 5.
Worm-gear toothing 2 and worm gear 3 are formed the speed reduction gearing of the rotating speed that reduces drive motor 5, send Steering gear 1 to the rotating speed that will reduce.
When bearing capacity increases,, worn-down forms the gap because being created between the tooth of worm gear 3 and worm-gear toothing 2.One side of worm gear 3 is supported on the elastic body of leaf spring 3h for example, to make the tooth of worm gear 3 and worm-gear toothing 2 always be meshing with each other by the generation that prevents the gap, and a bearing 4a is made of inclination bearing 4a (tiltbearing), tilts to worm gear 2 to allow turbo-shaft 3a.
Fig. 2 is the section drawing that the coupled condition of motor 5 and turbo-shaft 3a is shown.Promptly, power transmits the component 7 is installed rotating by the teeth groove (spline) and the axle drive shaft 5a one of motor 5, power transmits the component 7 is connected with turbo-shaft 3a by coupler 6, be transferred to turbo-shaft 3a with the turning effort that allows motor 5 axle drive shaft 5a, power transmits the component 7 and the coupler 6 by motor 5, lining (bush) 8 inserts turbo-shaft 3a and supports turbine shaft 3a flexibly, and the spring 9 of the axle drive shaft 5a of drive motor 5 is installed in the periphery of lining 8.
Fig. 3 is the front view of coupler 6.Coupler 6 comprises coupler main body 6a and 8 arm 6b, this coupler main body 6a heart therein has assembly opening to insert the axle drive shaft 5a of motor 5,8 arm 6b extend diametrically and are outstanding, simultaneously in the periphery that upwards is arranged in coupler main body 6a week at regular intervals, wherein 8 coupler hole 6c are formed between the arm 6b, alternately be inserted in 8 coupler hole 6c from the outstanding protuberance (protection) of power transmits the component 7 with from the outstanding protuberance of turbo-shaft 3a, make power transmits the component 7 be connected with turbo-shaft 3a via coupler 6.
Fig. 4 is the amplification sectional view that the arrangement relation between coupler 6 and the inclination bearing 4a is shown.Promptly, inner ring 4ab in the periphery that inclination bearing 4a comprises the outer ring 4aa that is fixedly mounted on the housing, be fitted in turbo-shaft 3a and be inserted in outer ring 4aa and inner ring 4ab between a plurality of ball 4ac, the receiving slit 4ad that wherein receives ball 4ac is formed on the surface of outer ring 4aa and inner ring 4ab and toward each other, the diameter of receiving slit 4ad is greater than the diameter of ball 4ac, make to be arranged under the state of receiving slit 4ad that ball 4ac can move on the direction up and down at ball 4ac.
Therefore, the turbo-shaft 3a that installs and support by inclination bearing 4a can move in the axial direction by the receiving slit of inclination bearing 4a, and can tilt to worm-gear toothing 2.
Yet, in structure,, make when discharging turbo-shaft 3a after turning to about turbo-shaft 3a turbo-shaft 3a sway on the road surface of stopping and rising and falling during steering vehicle via aforesaid inclination bearing 4a supports turbine shaft 3a.In this case, the ball 4ac of the inclination bearing 4a of supports turbine shaft 3a also can be owing to the side-to-side movement of turbo-shaft 3a in sway between inner ring 4ab and outer ring 4aa, thereby produces gimp.
Disclosed above-mentioned information only is used to strengthen the understanding to common background technology of the present invention in this background technology part, is not approval or hints that in any form this information forms the prior art that those of ordinary skills have known and should not be considered.
Summary of the invention
Various aspects of the present invention relate to the denoising device that a kind of motor driven power steering system is provided, it can be by flexibly supporting the side-to-side movement of inclination bearing, this inclination bearing is supports turbine shaft rotatably, reduce the gimp that in the inclination bearing, produces when controlling bearing circle, thereby improve the driver comfort and the steering operation sense of vehicle.
In one aspect of the invention, the denoising device of motor driven power steering system can comprise: turbo-shaft, and an end of this turbo-shaft is connected with the inclination bearing, and this inclination bearing is connected with housing (housing), and supports turbine shaft rotationally; Axle drive shaft, it is connected with motor; Power transmits the component, the whole assembling of the axle drive shaft of itself and motor; Coupler, its end with the axle drive shaft of motor is connected, and the axle drive shaft of motor is connected with turbo-shaft is whole, so that can rotate betwixt, wherein coupler comprises the coupler main body; And elastic buffer component (cushion member), this elastic buffer component is formed on one or two side of coupler with buffering vibration and/or noise.
Coupler can comprise a plurality of arms, and its week in the coupler main body makes progress with predetermined space, and is outstanding diametrically from the periphery of coupler main body.
Denoising device may further include the resilient actuating element, and it places between motor and the coupler, and flexibly activates coupler towards turbo-shaft.The resilient actuating element can be installed on the axle drive shaft of motor.
The resilient actuating element can comprise: drg, and it is fastened on the retaining element, and receives the axle drive shaft of motor slidably; Spring perch, it is formed on the coupler; And elastic element, it places between drg and the spring perch, with spring perch towards the turbo-shaft bias voltage.Elastic element can be a coil spring.
Elastic buffer component can place between turbo-shaft and the coupler.Elastic buffer component can flexibly support the front end of inclination bearing cone or turbo-shaft.Elastic buffer component can comprise a plurality of resilient projection on the arm that is formed on coupler, and a plurality of arms are arranged in upwards to be given prominence to from the periphery of coupler main body with predetermined space in the week of coupler main body diametrically.Elastic buffer component can be mounted on the coupler main body and towards the leaf spring (plate spring) of turbo-shaft bending.Elastic buffer component can be a plurality of springs (leafspring), and it is installed on the coupler main body, make progress with arranged at predetermined intervals in the week of coupler main body, and towards the turbo-shaft bending.
Towards the elastic buffer component of power transmits the component supporting motive force transfer element flexibly.Elastic buffer component can comprise a plurality of resilient projection on the arm that is formed on coupler, and a plurality of arms are arranged in upwards to be given prominence to from the periphery of coupler main body with predetermined space in the week of coupler main body diametrically.Elastic buffer component can be mounted on the coupler main body and towards the leaf spring of power transmits the component bending.Elastic buffer component can be a plurality of springs, and it is installed on the coupler main body, make progress with arranged at predetermined intervals in the week of coupler main body, and towards the power transmits the component bending.
The elastic buffer component that forms on two sides of coupler can be arranged to based on coupler and left-right symmetric.
Method and apparatus of the present invention has other feature and advantage, these feature and advantage are as described in detail in the accompanying drawing that is incorporated herein and the following specific embodiment, to be conspicuous by it perhaps, the drawings and specific embodiments one are used from illustrates some principle of the present invention.
Description of drawings
Fig. 1 shows the profile perspective of known motor driving power steering system.
Fig. 2 is the amplification sectional view of the major part of Fig. 1.
Fig. 3 is the front view of coupler.
Fig. 4 is the amplification sectional view of the major part of Fig. 2.
Fig. 5 is the front view of major part that the motor driven power steering system with denoising device of first illustrative embodiments of the present invention is shown.
Fig. 6 is the section drawing of the major part of Fig. 5.
Fig. 7 is the planar view that the coupler of first illustrative embodiments of the present invention is shown.
Fig. 8 is the front view of major part that the motor driven power steering system with denoising device of second illustrative embodiments of the present invention is shown.
Fig. 9 is the section drawing of the major part of Fig. 8.
Figure 10 is the front view of major part that the motor driven power steering system with denoising device of the 3rd illustrative embodiments of the present invention is shown.
Figure 11 is the section drawing of the major part of Figure 10.
Figure 12 is the transparent view of major part that the motor driven power steering system with denoising device of the 4th illustrative embodiments of the present invention is shown.
Figure 13 is the section drawing of the major part of Figure 12.
Figure 14 is the front view of major part that the motor driven power steering system with denoising device of the 5th illustrative embodiments of the present invention is shown.
Figure 15 is the section drawing of the major part of Figure 14.
The specific embodiment
Below will be at length with reference to each embodiment of the present invention, embodiment is illustrated in the drawings, and is illustrated hereinafter.Although the present invention will be described in conjunction with illustrative embodiments, should be appreciated that this specification sheets has no intention to limit the invention to these illustrative embodiments.On the contrary, the present invention not only will be contained these exemplary, also will contain various substitute modes, variation pattern, equivalent way and other embodiment, and it all can be included within the spirit and scope of the present invention of claims qualification.
Fig. 5 is the front view of major part that the motor driven power steering system with denoising device of first illustrative embodiments of the present invention is shown.Promptly, place the coupler 13 between motor driving shaft 11 and the turbo-shaft 12 that the turning effort of motor driving shaft 11 is transferred to turbo-shaft 12, an end relative with axle drive shaft 11 of turbo-shaft 12 supported rotationally by inclination bearing 14, and a plurality of resilient projection 13a are integrally outstanding towards turbo-shaft 12 on the surface of coupler 13, and above-mentioned surface is relative with the turbo-shaft 12 of coupler 13.
Fig. 6 is the section drawing of the major part of Fig. 5.Inclination bearing 14 comprises the outer ring 14a that is fixed on the housing 17, by being assemblied in the turbo-shaft 12 and supported inner ring 14b, place a plurality of ball 14c between outer ring 14a and the inner ring 14b, with the receiving slit 14d on the inside face that is formed on outer ring 14a respect to one another and inner ring 14b, the diameter of receiving slit 14d is greater than the diameter of ball 14c, to receive ball 14c.
As shown in Figure 7, coupler 13 comprises coupler main body 13c and a plurality of arm 13d, the coupler main body 13c heart therein has assembly opening with in the axle drive shaft 11 that is assembled to motor, a plurality of arm 13d are outstanding diametrically, while, in the periphery that upwards is arranged in coupler main body 13c week, wherein resilient projection 13a was whole outstanding on each arm 13d with predetermined space.Each resilient projection 13a and inner ring 14b closed contact are flexibly to support inner ring 14b.
With 11 whole connections of motor driving shaft so that rotary power transmits the component 11a is connected with coupler 13 with turbo-shaft 12.Therefore, by coupler 13 that the process that the turning effort of motor is transferred to turbo-shaft 12 is identical with known motor driven power steering system.
Therefore, when the inner ring 14b of inclination bearing 14 when axial direction moves, turbo-shaft 12 is pushed according to the axial direction that operates in of bearing circle simultaneously, coil spring 16 flexibly supports inclination bearing 14 by coupler 13, and the resilient projection 13a of coupler 13 also flexibly supports inclination bearing 14.Therefore, the axial support intensity of inclination bearing 14 increases, and by suitably being absorbed in the impact that produces in the inclination bearing 14, the gimp that produces in the inclination bearing 14 is minimized.
Fig. 8 is the front view of major part that the motor driven power steering system with denoising device of second illustrative embodiments of the present invention is shown.Promptly, place the coupler 13 between motor driving shaft 11 and the turbo-shaft 12 that the turning effort of motor driving shaft 11 is transferred to turbo-shaft 12, one end of the turbo-shaft 12 relative with axle drive shaft 11 is supported rotationally by inclination bearing 14, and a plurality of leaf springs 25 that gently bend towards turbo-shaft 12 integrally and securely are connected on the surface of coupler 13, and this surface is relative with the turbo-shaft 12 of coupler 13 towards turbo-shaft 12.
Fig. 9 is the section drawing of the major part of Fig. 8.Inclination bearing 14 comprises the outer ring 14a that is fixed on the housing 17, by being assemblied in the turbo-shaft 12 and supported inner ring 14b, place a plurality of ball 14c between outer ring 14a and the inner ring 14b, with the receiving slit 14d on the inside face that is formed on outer ring 14a respect to one another and inner ring 14b, the diameter of receiving slit 14d is greater than the diameter of ball 14c, to receive ball 14c.
The direct closed contact of inner ring 14b of the periphery of leaf spring 25 and inclination bearing 14 perhaps flexibly supports inner ring 14b and turbo-shaft 12 places therebetween.
Therefore, when inclination bearing 14 also when axial direction moves, turbo-shaft 12 is pushed according to the axial direction that operates in of bearing circle simultaneously, leaf spring 25 flexibly supports inclination bearing 14.Therefore, the axial support intensity of inclination bearing 14 increases, and is absorbed in the impact that produces in the inclination bearing 14 by leaf spring 25, and gimp is minimized.
In other illustrative embodiments of the present invention, the illustrative embodiments shown in Fig. 5 and 6 can be applied in the current illustrative embodiments.For example, can be equipped with drg 15, it is fixedly mounted on the periphery of axle drive shaft 11, spring perch 13b can be formed on the side of the coupler 13 relative with drg 15, and coil spring 16 can be used as elastic body and inserts between drg 15 and the spring perch 13b, thereby with leaf spring 25 with coupler 13 in turbo-shaft 12 elasticity pushings, flexibly support coupler 13.
Figure 10 and Figure 11 are respectively the front view and the section drawings of major part that the motor driven power steering system with denoising device of the 3rd illustrative embodiments of the present invention is shown.In the 3rd exemplary embodiment of the present invention, all be connected with leaf spring 25 on each side in the relative another side of side that coupler main body 13c is relative with motor and coupler main body 13c and turbo-shaft 12, the effect that makes vibration damping and absorption impact is better than second illustrative embodiments, reduces anti noise thereby improve.
That is, leaf spring 25 places between the power transmits the component 11a that connects axle drive shaft 11 and coupler 13 surface relative with motor with coupler 13.
In other illustrative embodiments of the present invention, the illustrative embodiments shown in Fig. 5 and 6 can be applied in the current illustrative embodiments.For example, can be equipped with drg 15, it is fixedly mounted on the periphery of axle drive shaft 11, spring perch 13b can be formed on the side of the coupler 13 relative with drg 15, and coil spring 16 can be used as elastic body and inserts between drg 15 and the spring perch 13b, thereby with leaf spring 25 with coupler 13 in turbo-shaft 12 elasticity pushings, flexibly support coupler 13.
Figure 12 and Figure 13 are respectively the transparent view and the section drawings of major part that the motor driven power steering system with denoising device of the 4th illustrative embodiments of the present invention is shown.The 4th illustrative embodiments of the present invention is with the different of other illustrative embodiments, uses a plurality of springs 35 to replace leaf spring 25, and the 4th illustrative embodiments is identical with other illustrative embodiments aspect resilient mounting inclination bearing 14.
Each sheet spring 35 all at one end is connected with coupler main body 13c securely, the direct closed contact of inner ring 14b of each sheet spring 35 other end of while and inclination bearing 14, perhaps by bending towards turbo-shaft 12 with the front end closed contact of turbo-shaft 12, and each sheet spring 35 upwards is arranged to a plurality of in week at a predetermined angle.
In other illustrative embodiments of the present invention, the illustrative embodiments shown in Fig. 5 and 6 can be applied in the current illustrative embodiments.For example, can be equipped with drg 15, it is fixedly mounted on the periphery of axle drive shaft 11, spring perch 13b can be formed on the side of the coupler 13 relative with drg 15, and coil spring 16 can be used as elastic body and inserts between drg 15 and the spring perch 13b, thereby use with the firm bonded assembly sheet of coupler main body 13c spring 35 with coupler 13 in turbo-shaft 12 elasticity pushings, flexibly support coupler 13.
Figure 14 and Figure 15 are respectively the front view and the section drawings of major part that the motor driven power steering system with denoising device of the 5th illustrative embodiments of the present invention is shown.In the 5th illustrative embodiments, sheet spring 35 is connected on the coupler main body 13c side relative with electrode, and be connected on another relative side of coupler main body 13c and turbo-shaft 12, the effect that makes vibration damping and absorption impact is better than the sheet spring 35 in the 4th illustrative embodiments, reduces anti noise thereby improve.
That is, between the surface of the surface of the power transmits the component 11a of connection motor driving shaft 11 respect to one another and coupler 13, also be equipped with sheet spring 35.
Be installed in sheet spring 35 on two sides of coupler 13 based on coupler 13 and left and right symmetrically connects.
In other illustrative embodiments of the present invention, the illustrative embodiments shown in Fig. 5 and 6 can be applied in the current illustrative embodiments.For example, can be equipped with drg 15, it is fixedly mounted on the periphery of axle drive shaft 11, spring perch 13b can be formed on the side of the coupler 13 relative with drg 15, and coil spring 16 can be used as elastic body and inserts between drg 15 and the spring perch 13b, thereby with two lip-deep springs 35 that are installed in coupler main body 13c with coupler 13 in the pushing of turbo-shaft 12 elasticity, flexibly support coupler 13.
By the various aspects according to the present invention the denoising device of motor driven power steering system, by from the outstanding a plurality of resilient projection of coupler and the elastic body that supports coupler spring for example, flexibly support the inclination bearing cone of rotatable supports turbine shaft, thereby fully absorb the motion of turbo-shaft and to the impact of inclination bearing, even and by also providing elastic body for the connecting bridge between coupler and the motor, realize vibration-damping function, thereby the gimp of inclination bearing is improved the operation sense and the driver comfort of bearing circle can be by effective reduction control bearing circle the time.
For ease of the explanation of claims and accurately definition, term " left side ", " right side ", " on " and D score be used for describing these features of illustrative embodiments with reference to the position of the shown feature of accompanying drawing.
For explaining and purpose of description, carried out aforementioned description to the concrete illustrative embodiments of the present invention.They are not to carry out limit or it is limited to disclosed precise forms the present invention, obviously, and in view of above-mentioned instruction can be carried out multiple change and variation.Select and describe illustrative embodiments,, thereby make those skilled in the art can implement and utilize various illustrative embodiments of the present invention so that explain some principle of the present invention and practical application thereof, with and various alternative and variation pattern.Scope of the present invention is intended to be limited by claims and equivalent way thereof.
Claims (17)
1. the denoising device of a motor driven power steering system comprises:
Turbo-shaft, the one end is connected with the inclination bearing, and described inclination bearing is connected with housing, and supports described turbo-shaft rotationally;
Axle drive shaft, it is connected with motor;
Power transmits the component, the whole assembling of the described axle drive shaft of itself and described motor;
Coupler, its end with the described axle drive shaft of described motor is connected, and the described axle drive shaft of described motor is connected with described turbo-shaft is whole, so that can rotate betwixt, wherein said coupler comprises the coupler main body; With
Elastic buffer component, it is formed on one or two side of described coupler with buffering vibration and/or noise.
2. denoising device according to claim 1, wherein said coupler comprises a plurality of arms, described a plurality of arms made progress with predetermined space in the week of described coupler main body, and are outstanding diametrically from the periphery of described coupler main body.
3. denoising device according to claim 1, it further comprises the resilient actuating element, described resilient actuating element places between described motor and the described coupler, and flexibly activates described coupler towards described turbo-shaft.
4. denoising device according to claim 3, wherein said resilient actuating element is installed on the described axle drive shaft of described motor.
5. denoising device according to claim 3, wherein said resilient actuating element comprises:
Drg, it is fastened on the retaining element, and receives the described axle drive shaft of described motor slidably;
Spring perch, it is formed on the described coupler; With
Elastic element, it places between described drg and the described spring perch, with described spring perch towards described turbo-shaft bias voltage.
6. denoising device according to claim 5, wherein said elastic element is a coil spring.
7. denoising device according to claim 1, wherein said elastic buffer component place between described turbo-shaft and the described coupler.
8. denoising device according to claim 7, wherein said elastic buffer component flexibly supports the front end of described inclination bearing cone or described turbo-shaft.
9. denoising device according to claim 8, wherein said elastic buffer component comprises a plurality of resilient projection on the arm that is formed on described coupler, and a plurality of arms are arranged in upwards to be given prominence to from the periphery of described coupler main body with predetermined space in the week of described coupler main body diametrically.
10. denoising device according to claim 8, wherein said elastic buffer component are mounted on the described coupler main body and towards the leaf spring of described turbo-shaft bending.
11. denoising device according to claim 8, wherein said elastic buffer component are a plurality of springs, it is installed on the described coupler main body, make progress with arranged at predetermined intervals in the week of described coupler main body, and towards described turbo-shaft bending.
12. denoising device according to claim 1, wherein the described elastic buffer component towards described power transmits the component flexibly supports described power transmits the component.
13. denoising device according to claim 12, wherein said elastic buffer component comprises a plurality of resilient projection on the arm that is formed on described coupler, and a plurality of arms are arranged in upwards to be given prominence to from the periphery of described coupler main body with predetermined space in the week of described coupler main body diametrically.
14. denoising device according to claim 12, wherein said elastic buffer component are mounted on the described coupler main body and towards the leaf spring of described power transmits the component bending.
15. denoising device according to claim 12, wherein said elastic buffer component are a plurality of springs, it is installed on the described coupler main body, make progress with arranged at predetermined intervals in the week of described coupler main body, and towards described power transmits the component bending.
16. denoising device according to claim 1, wherein the described elastic buffer component that forms on two sides of described coupler is arranged to based on described coupler and left-right symmetric.
17. a passenger carrying vehicle, it comprises denoising device as claimed in claim 1.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020080049178 | 2008-05-27 | ||
| KR1020080049178A KR100986430B1 (en) | 2008-05-27 | 2008-05-27 | Noise reduction device of electric power steering |
| KR1020080103232 | 2008-10-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101590871A true CN101590871A (en) | 2009-12-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101909586A Pending CN101590871A (en) | 2008-05-27 | 2008-12-29 | The denoising device of motor driven power steering system |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100986430B1 (en) |
| CN (1) | CN101590871A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102205850A (en) * | 2010-03-31 | 2011-10-05 | 日立汽车系统株式会社 | Power steering apparatus |
| CN102454712A (en) * | 2010-10-30 | 2012-05-16 | 比亚迪股份有限公司 | Axial compensator |
| CN103192941A (en) * | 2013-04-12 | 2013-07-10 | 江苏飞马动力科技有限公司 | Suspension internal gear structure for reducing noise of high-speed motor of electric bicycle |
| CN105035156A (en) * | 2014-04-16 | 2015-11-11 | 株式会社万都 | Steering apparatus for vehicle |
| CN106143597A (en) * | 2015-05-14 | 2016-11-23 | 株式会社万都 | The decelerator of electric power-assisted steering apparatus |
| CN107792167A (en) * | 2016-09-07 | 2018-03-13 | 现代摩比斯株式会社 | Post compensated torque apparatus and method in motor driven power steering system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102203595B1 (en) * | 2014-10-28 | 2021-01-18 | 현대모비스 주식회사 | Motor driven power steering system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4221825B2 (en) * | 1999-06-28 | 2009-02-12 | 株式会社ジェイテクト | Electric steering device |
| JP2003320944A (en) | 2002-05-07 | 2003-11-11 | Nsk Ltd | Electric power steering apparatus |
| KR100804476B1 (en) | 2003-01-08 | 2008-02-20 | 주식회사 만도 | Worm shaft play compensation structure of electric power steering system |
| JP2006175891A (en) | 2004-12-20 | 2006-07-06 | Favess Co Ltd | Electric power steering device |
-
2008
- 2008-05-27 KR KR1020080049178A patent/KR100986430B1/en active Active
- 2008-12-29 CN CNA2008101909586A patent/CN101590871A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102205850A (en) * | 2010-03-31 | 2011-10-05 | 日立汽车系统株式会社 | Power steering apparatus |
| CN102454712A (en) * | 2010-10-30 | 2012-05-16 | 比亚迪股份有限公司 | Axial compensator |
| CN102454712B (en) * | 2010-10-30 | 2013-12-04 | 比亚迪股份有限公司 | Axial compensator |
| CN103192941A (en) * | 2013-04-12 | 2013-07-10 | 江苏飞马动力科技有限公司 | Suspension internal gear structure for reducing noise of high-speed motor of electric bicycle |
| CN103192941B (en) * | 2013-04-12 | 2015-04-08 | 江苏飞马动力科技有限公司 | Suspension internal gear structure for reducing noise of high-speed motor of electric bicycle |
| CN105035156A (en) * | 2014-04-16 | 2015-11-11 | 株式会社万都 | Steering apparatus for vehicle |
| CN106143597A (en) * | 2015-05-14 | 2016-11-23 | 株式会社万都 | The decelerator of electric power-assisted steering apparatus |
| US9897148B2 (en) | 2015-05-14 | 2018-02-20 | Mando Corporation | Reducer of electric power-assisted steering apparatus |
| CN106143597B (en) * | 2015-05-14 | 2018-09-14 | 株式会社万都 | The retarder of electric power-assisted steering apparatus |
| CN107792167A (en) * | 2016-09-07 | 2018-03-13 | 现代摩比斯株式会社 | Post compensated torque apparatus and method in motor driven power steering system |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100986430B1 (en) | 2010-10-08 |
| KR20090123208A (en) | 2009-12-02 |
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Application publication date: 20091202 |