CN102498317B - Force-transmitting device - Google Patents
Force-transmitting device Download PDFInfo
- Publication number
- CN102498317B CN102498317B CN201080030476.XA CN201080030476A CN102498317B CN 102498317 B CN102498317 B CN 102498317B CN 201080030476 A CN201080030476 A CN 201080030476A CN 102498317 B CN102498317 B CN 102498317B
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- Prior art keywords
- force
- transmitting device
- gear
- worm
- small gear
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- 230000033001 locomotion Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000009977 dual effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
- B60T13/746—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive and mechanical transmission of the braking action
-
- 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
- B62D5/0421—Electric motor acting on or near steering gear
-
- 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
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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
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
- F16H1/22—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
- F16H1/222—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with non-parallel axes
- F16H1/225—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with non-parallel axes with two or more worm and worm-wheel gearings
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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
- F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
- F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
- F16H19/04—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Gear Transmission (AREA)
- Transmission Devices (AREA)
- Braking Systems And Boosters (AREA)
- Power Steering Mechanism (AREA)
Abstract
The present invention relates to a kind of force-transmitting device, comprise drive unit (2), worm screw (3), the first worm gear (6) and the second worm gear (7), wherein the first and second worm gears (6,7) are engaged mutually with worm screw (3); Also comprise the first small gear (8) and the second small gear (9), wherein the first small gear (8) and the first worm gear (6) together rotate, and the second small gear (9) and the second worm gear (7) together rotate; And comprise two meshing part (10; 14), it comprises the first denture (11) and the second denture (12), wherein the first denture (11) is engaged mutually with the first small gear (8), and the second denture (12) is engaged mutually with the second small gear (9).
Description
Technical field
The present invention relates to a kind of force-transmitting device, especially for force-transmitting device rotary motion being transferred to translational motion, be used in particular for the steering equipment of vehicle.
Force-transmitting device is applied to the steering equipment of such as vehicle, transfers translatory movement to by rotary motion.At this moment ball usually can be adopted to rotate spiral shell axle and to transfer rotary motion to translatory movement.Or adopt the simple variable-speed gear with small gear and tooth bar, usually preferably can use this parameter gear for cost advantage.Normally auxiliary torque is directly passed on steering column for vehicle or small gear by worm drive when power-assisted steering.But at this moment due to the structure of small gear and tooth bar, the upper limit of transmitting force is about 8500 Ns.In addition, the design of this transmission also must be noted that structure space is little as far as possible, weight is low as far as possible, so that can smoothly in the narrow and small structure space of vehicle.
Summary of the invention
The advantage according to force-transmitting device of the present invention with feature described in claim 1 is, this device structure is compact especially and simple.In addition, the moment can transmitting increase according to force-transmitting device of the present invention is utilized.In addition, the radial force on worm screw and tooth bar can be offset.Make worm screw can not produce bending phenomenon thus, reduce worm screw diameter.Can realize according to the present invention, this actuating unit comprises drive unit, worm screw as force-transmitting device input block, the first and second worm gears, the first and second small gears and two meshing part.Each small gear together rotates with worm gear respectively.Two worm gears are engaged mutually with the same volute engaging piece of worm screw.This that is, in order to realize structure compact as far as possible, worm screw is designed with a common volute engaging piece, and this engaging piece and position are enough also can be engaged with the second worm gear mutually with first.Worm gear is preferably arranged on common volute engaging piece relative to one another, and then realizes eliminating the power on worm screw.Two meshing part designs as output block and comprises the first and second dentures, and wherein the first denture and the first small gear, the second denture is engaged mutually with the second small gear.Can realize a kind of structure closely like this, it has the accessory that relative cost advantageously can manufacture, and particularly can transmit larger power.Very flexible in its structure according to force-transmitting device of the present invention, thus particularly on structure space, compared with the force-transmitting device known, there is advantage.Can directly adapt to different requirement according to force-transmitting device of the present invention, such as, be applicable to different electromechanical braking power amplifiers, or steering equipment is adapted to the different requirements of different vehicle production persons.
Dependent claims provides other advantageous embodiment embodiments of the present invention.
Two meshing part is preferably the tooth bar of a bidentate or the ring gear of a bidentate.This dual pinion rack be designed with two be arranged in opposite each other denture and can be used in such as brake booster or steering equipment or at solar facilities as the tracing movement of servo drive for minute surface or heat collector.This bidentate ring gear can be used in such as with the turn-taking, as hoist and excavator of building machinery of rotary structure.In addition, bidentate ring gear also can be used in wind power plant the rotating driving device of turn (Rotorgondeln) or the servo drive of mover blade pitch angle.
The axis and the tooth bar that particularly preferably are small gear are in a certain angle, and preferably this angle is less than 90 °.The large variability of worm gear, worm screw and drive arrangement can be realized like this.Also achieve in addition, wherein the axis of a small gear and tooth bar are the first angle, and the axis of the second small gear and tooth bar are in the second angle being different from the first angle.Also achieve in addition, at least one axis of worm screw and one of them worm gear be the angle number of degrees be not 90 °, but be less than 90 °.
According to the mode of execution that another is preferably possible, worm screw comprises at least three volute engaging pieces and four worm gears, and wherein two worm gears can be engaged with in three volute engaging pieces simultaneously mutually.Achieve larger changeability like this.
In order to realize the backlash compensation of force-transmitting device, this force-transmitting device preferably has a blank compensation apparatus wherein between at least one small gear and worm gear.This blank compensation apparatus comprises projection, the first and second backstops, and wherein projection has a small―gap suture between the first and second backstops, also comprises a pretension element, it by projection pretension in one of them backstop.This pretension element guarantee projection all the time with one of them de contact, with very close to each other in the engagement ensureing force-transmitting device.The force-transmitting device that such generation gapless, nothing are pressed.
In addition preferably, tooth bar floats and is arranged between two small gears.Like this, the supporting structure that can no longer need tooth bar extra, also can carry out the side guiding on tooth bar if desired.
In order to obtain structure compact especially, preferably drive unit is parallel to tooth bar.Drive unit is preferably motor or fluid pressure drive device.
According to force-transmitting device of the present invention preferably as the power-assisted steering machine of electromechanical braking power amplifier or vehicle.Can only use a drive unit according to vehicle size or also can use two or more drive unit, particularly motor.When applying, rotary motion transfers the translational motion of double rack to.Alternatively also can be used in the power of rotation according to force-transmitting device of the present invention, such as building machinery, wind power plant, solar facilities or other industry equipments, as robot.
Accompanying drawing explanation
Preferred embodiments of the present invention is specifically described below by means of accompanying drawing.Accompanying drawing illustrates:
Fig. 1 illustrates the schematic diagram of the force-transmitting device according to the first embodiment of the present invention.
Fig. 2 and 3 illustrates the schematic diagram of the force-transmitting device according to the second embodiment of the present invention.
Fig. 4 illustrates the schematic diagram of the force-transmitting device according to the third embodiment of the present invention.
Fig. 5 illustrates the schematic diagram of a blank compensation apparatus of the present invention.
Fig. 6 illustrates the schematic diagram of the force-transmitting device according to the fourth embodiment of the present invention.
Fig. 7 illustrates the schematic diagram of the force-transmitting device according to the fifth embodiment of the present invention.
Fig. 8 illustrates the schematic diagram of the force-transmitting device according to the sixth embodiment of the present invention.
Fig. 9 illustrates the schematic diagram of the force-transmitting device according to the seventh embodiment of the present invention.
Embodiment
The force-transmitting device 1 according to a preferred embodiment of the invention is specifically described below by means of Fig. 1.
As seen in Figure 1, force-transmitting device 1 comprises the motor as drive unit 2, this motoring worm screw 3.Worm screw 3 only has the volute engaging piece 13 that common.In addition, this force-transmitting device 1 comprises the first worm gear 6, second worm gear 7, first small gear 8 and the second small gear 9.In addition as two meshing part is tooth bar 10, and it comprises the first denture 11 and the second denture 12.These two dentures 11,12 are positioned on tooth bar 10 side respect to one another.First small gear 8 and the first denture 11, second small gear 9 are engaged mutually with the second denture 12.First small gear 8 is connected with the first worm gear 6, so that the first worm gear 6 and the first small gear 8 rotate jointly.Second worm gear 7 is connected in the same fashion with the second small gear 9.Volute engagement position 13 common on worm screw 3 drives the first worm gear 6.Second worm gear 7 is driven by the common volute engaging piece 13 of worm screw 3 equally.X-X indicates the longitudinal axis of tooth bar 10.
As seen in Figure 1, worm screw 3 and dual pinion rack 10 are in 90 ° of angles.Two worm gears, 6,7 and two small gears 8,9 are positioned on dual pinion rack 10 in opposite sides to each other, and the power that on-stream like this tooth bar produces can be cancelled out each other.Larger power can be transmitted by two small gears 8,9 on the rack gear 10, ball circulation screw rod that so particularly can be bothersome and expensive according in this present invention.In addition, tooth bar is additionally also guided between two small gears 8,9 with carrying out rolling bearing, is arranged between small gear 8,9 so that tooth bar floats.Preferably, the side guiding of tooth bar is carried out.
Fig. 5 illustrates blank compensation apparatus 20, and it is between small gear 8,9 and worm gear 6,7.This gap compensation device 20 comprises projection 21, first backstop 22, second backstop 23 and pretension element 24.As seen in Figure 5, there is a gap 25 between the first backstop 22 and projection 20 during, pretension element 24 pretension projection 21, so that it is close in the second backstop 23.In order to can compensating unit tolerance, must worm gear can rotate around a corresponding pinion axes when mounted.In assembling, small gear and worm gear is assembled when being in correct angular position each other.Then engaging piece compresses completely each other thus realizes gapless.Then between projection 21 and the first backstop 22, under the certain force level of elastic force pre-setting pretension element 24, backlash compensation can also be carried out in inside, gap 25.Preferably, a buffer unit (not making a check mark in figure) is also designed with, in order to realize buffering during backlash compensation.Can load between any one small gear-worm gear unit according to blank compensation apparatus of the present invention.Illustrate thus, this blank compensation apparatus can be used in all embodiments described.
Fig. 2 and 3 illustrates the force-transmitting device 1 according to second embodiment of the present invention, wherein identical or use the reference character identical with the first embodiment to represent at the parts with identical function.
As seen in Figure 2, drive unit 2 is parallel to two meshing part 10.A kind of special compact structure can be realized like this.In addition, worm screw 3 is designed with a common volute engagement position 13.This volute engagement position 13 is engaged with the first worm gear 6 and the second worm gear 7 simultaneously, and the worm gear wherein on worm screw 3 is positioned at toward each other, to realize equilibrium of forces.Dual pinion rack 10 also has a space 10a, so that structure can be more compact, because a part for drive unit 2 inserts space 10a.This embodiment is corresponding to above-described embodiment in other aspects, therefore can with reference to above-mentioned with the explanation provided.
This force-transmitting device is specifically described according to the 3rd embodiment of the present invention below by means of Fig. 4.3rd embodiment conforms to the second embodiment to a great extent, and what be different from the second embodiment be the axis of drive unit 2 or worm screw 3 and the longitudinal axis X-X of tooth bar 10 is angle α.Wherein a unique common volute engagement position 13 is designed with on worm screw 3 again for two worm gears 6,7.Under other aspects, this embodiment conforms to the second embodiment, therefore can with reference to above-mentioned with the explanation provided.
Fig. 6 illustrates the 4th embodiment of the present invention, wherein identical or re-use the reference character identical with the first embodiment at the parts one with identical function and represent.The force-transmitting device 1 with dicyclo gear 14 shown in 4th embodiment is as the two meshing parts with the first ring gear 15 and the second ring gear 16.As seen in Figure 6, dicyclo gear 14 is designed to the gear ring with internal messing portion and outer gearing portion.In addition, according to the 4th embodiment, in force-transmitting device 1, be designed with two drive units, namely the first drive unit 2 and with the first drive unit 2.There is shown in Fig. 6 the second drive unit 2 ' with the reference character same reference numerals of the first drive unit 2, and add ' indicate.Radial force can not be produced in dicyclo gear 14 by the structure shown in Fig. 6.Very large power or moment can also be transmitted.Girth due to inner second ring gear 16 is less than the girth of outside first ring gear 15, therefore also needs inner pinion gear 8, and the standard pitch circle of 8 ' is less than the standard pitch circle of outside small gear 9,9 '.Illustrate at this, the embodiment shown in Fig. 6 substantially also can only have been come by unique drive unit 2.The force-transmitting device of the rotation shown in Fig. 6 can be used for as building machinery, wind power plant, solar facilities or other industry equipments.
Fig. 7 illustrates the force-transmitting device 1 according to the fifth embodiment of the present invention, wherein identical or re-use reference character same with the above-mentioned embodiment at the parts one with identical function and represent.
As seen in Figure 7, in the 5th embodiment, drive unit 2 is parallel to the two meshing parts being designed to tooth bar 10.In addition, plane E1 is an angle β 1 by the longitudinal axis X-X of the first gear 6 and tooth bar.Plane E2 is that an angle β 2, β 1 is same with β 2 large by the second worm gear 7 and longitudinal axis X-X, and difference is only symbol.The medial axis Y-Y achieving pinion axes like this can be an angle y.Between such first small gear 8 and the second small gear 9, the projection of angle δ is corresponding with the summation of angle β 1 and β 2.Mark 17 in addition in Fig. 7 and be depicted as steering wheel, mark 18 is depicted as jack shaft, mark 19 mark torque inductor.In order to the side guiding of tooth bar arranges the first sliding bearing 30 and the second sliding bearing 31.
Fig. 8 illustrates the 6th embodiment, and it is similar that this embodiment and Fig. 7 describe.Be that two worm gears 6,7 are on same plane E with difference embodiment illustrated in fig. 7.Drive unit 2 is angle α with the longitudinal axis X-X of tooth bar 10 in addition.First worm gear 6 and the first small gear 7 cover the second worm gear and the second small gear respectively as shown in Figure 8.Force-transmitting device 1 shown in Fig. 8 can manufacture especially cost-savingly, so that it is also applicable to the vehicle of lower cost.
Fig. 9 illustrates the force-transmitting device according to the seventh embodiment of the present invention, wherein identical or re-use reference character same with the above-mentioned embodiment at the parts one with identical function and represent.
As seen in Figure 9, force-transmitting device 1 comprises drive unit 2 and worm screw 3.On worm screw 3, Exact Design has just three engaging pieces, i.e. the first engaging piece 34, second engaging piece 35 and the 3rd engaging piece 36.Drive unit 2 is angle α with the medial axis X-X of tooth bar 10.The force-transmitting device 1 of the 7th embodiment also comprises four worm gears, 41,42,43,44 and four small gears 45,46,47,48.As seen in Figure 9, small gear 45 is engaged with the first denture 11 of tooth bar mutually with 46, and small gear 47 is engaged with the second denture 12 mutually with 48 simultaneously.In addition, the first worm gear 41 engages position 34, the second and the three worm gear 42,43 and engages position 35 with second with first, and the 4th worm gear 44 engages position 36 phase and is engaged with the 3rd.The force-transmitting device 1 of this embodiment can by the larger power of multiple small gear transmission like this.Other aspects are this embodiment conform to above-described embodiment, therefore can with reference to above-mentioned with the explanation provided.
Can illustrate for all described embodiments with tooth bar, the engaging piece of tooth bar realizes preferably by helical teeth engaging piece.The gradient of special preferably tooth bar engaging piece is all identical, and engaging piece is shown as staggered in projection.So can cancel such as at the sliding bearing 31 of tooth bar.
Respectively describe with motor as drive unit 2 according to embodiments of the invention.But illustrate equally, except motor can also use other drive units, particularly use fluid pressure drive device.
Claims (12)
1., for the force-transmitting device of brake booster, comprising:
-drive unit (2), this drive unit is arranged with being parallel to two meshing part (10),
-worm screw (3),
-the first worm gear (6) and the second worm gear (7), wherein worm screw (3) is designed with common volute engagement position (13), and it can be engaged with the first and second worm gears (6,7) simultaneously mutually,
-the first small gear (8) and the second small gear (9), wherein the first small gear (8) and the first worm gear (6) together rotate, and the second small gear (9) and the second worm gear (7) together rotate, and
-bis-meshing part (10; 14), it comprises the first denture (11) and the second denture (12), and wherein the first denture (11) is engaged mutually with the first small gear (8), and the second denture (12) is engaged mutually with the second small gear (9),
-wherein said pair meshing part (10) is tooth bar,
-its middle rack (10) floating ground is supported between the first and second small gears (8,9).
2. according to force-transmitting device according to claim 1, it is characterized in that, two meshing part (10) is the tooth bar of bidentate.
3. according to force-transmitting device according to claim 2, it is characterized in that, at least one axis of small gear (8) and tooth bar are angle (γ).
4. according to the force-transmitting device described in claim 2 or 3, it is characterized in that, the first small gear (8) and tooth bar are the first angle, and the second small gear (9) and tooth bar are the second angle.
5. according to the force-transmitting device according to any one of claims 1 to 3, it is characterized in that, engage the upper worm gear in position (13) with 180 ° toward each other at the common volute of worm screw (3).
6. according to the force-transmitting device according to any one of claims 1 to 3, it is characterized in that, the plane (E1, E1) of worm screw (3) and worm gear (6,7) is in angle (1,2).
7. according to the force-transmitting device according to any one of claims 1 to 3, it is characterized in that, worm screw (3) comprises at least three volutes engagement position (34,35,36) and at least four worm gears (41,42,43,44), and the volute that at least two worm gears (42,43) in described worm gear can be common with engages position (35) is engaged mutually.
8. according to the force-transmitting device according to any one of claims 1 to 3, also include blank compensation apparatus (20) in addition, this blank compensation apparatus is arranged between at least one small gear (8,9) of described small gear and a worm gear (5,6) of described worm gear, and this blank compensation apparatus (20) comprising:
-projection (21),
-the first backstop (22) and the second backstop (23), projection (21) to be positioned between the first and second backstops (22,23) and with little gap (25), and
-pretension element (24), this pretension element is for by the backstop of projection (21) pretension in described backstop.
9., according to the force-transmitting device described in Claims 2 or 3, it is characterized in that, drive unit (2) is parallel to tooth bar.
10., according to the force-transmitting device according to any one of claims 1 to 3, it is characterized in that, two meshing part (10; 14) denture is helical teeth shape, and denture has reciprocal true dip direction in projection.
11., according to force-transmitting device according to claim 3, is characterized in that, described angle (γ) is less than 90 °.
12. brake boosters, comprise according to the force-transmitting device according to any one of claim 2 to 11.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009027468.5 | 2009-07-06 | ||
| DE102009027468A DE102009027468A1 (en) | 2009-07-06 | 2009-07-06 | Power transmission arrangement |
| PCT/EP2010/056146 WO2011003643A1 (en) | 2009-07-06 | 2010-05-06 | Force transmission assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102498317A CN102498317A (en) | 2012-06-13 |
| CN102498317B true CN102498317B (en) | 2016-02-24 |
Family
ID=42313867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080030476.XA Active CN102498317B (en) | 2009-07-06 | 2010-05-06 | Force-transmitting device |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5595494B2 (en) |
| CN (1) | CN102498317B (en) |
| DE (1) | DE102009027468A1 (en) |
| WO (1) | WO2011003643A1 (en) |
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|---|---|---|---|---|
| JP5828223B2 (en) * | 2011-05-24 | 2015-12-02 | 株式会社アドヴィックス | Brake device for vehicle |
| DE102011080979A1 (en) | 2011-06-29 | 2013-01-03 | Robert Bosch Gmbh | Power transmission arrangement for converting rotational movement into translational movement for dual pinion-steering gear for power steering of vehicle, has pinion shaft subjected with force, and rotor shaft held between worm wheels |
| FR2992388B1 (en) | 2012-06-25 | 2014-07-18 | Bosch Gmbh Robert | ELECTRICAL BOOSTER WITH COMPENSATION OF TRANSMISSION SET |
| DE102012222949A1 (en) * | 2012-12-12 | 2014-06-12 | Robert Bosch Gmbh | Transmission device and electric motor brake booster |
| DE102013204199A1 (en) | 2013-03-12 | 2014-09-18 | Robert Bosch Gmbh | Drive shaft and manufacturing method for a drive shaft |
| FR3005295B1 (en) * | 2013-05-03 | 2015-08-28 | Bosch Gmbh Robert | POWER BRAKE BRAKE SYSTEM |
| DE102013010362B4 (en) * | 2013-06-21 | 2021-03-11 | Thyssenkrupp Presta Ag | Double pinion steering gear with hollow shaft motor |
| DE102013010363A1 (en) * | 2013-06-21 | 2014-12-24 | Thyssenkrupp Presta Ag | Rack and pinion steering with two pinions |
| DE102013018436B4 (en) * | 2013-11-04 | 2020-10-08 | Thyssenkrupp Presta Ag | Multiple pinion steering gear |
| CN104358837B (en) * | 2014-10-31 | 2017-01-11 | 张卫 | Tandem driver |
| CN104389955B (en) * | 2014-11-07 | 2017-06-06 | 西华大学 | Single many worm gear end face mesh gears of worm screw |
| FR3033754B1 (en) * | 2015-03-18 | 2017-03-24 | Peugeot Citroen Automobiles Sa | POWER-ASSISTED BRAKE CONTROL DEVICE HAVING A HOIST TYPE REDUCER |
| WO2017046380A1 (en) * | 2015-09-17 | 2017-03-23 | Lucas Automotive Gmbh | Electromechanical brake force booster |
| DE102015012124A1 (en) | 2015-09-17 | 2017-03-23 | Lucas Automotive Gmbh | Electromechanical brake booster |
| DE102015012125A1 (en) * | 2015-09-17 | 2017-03-23 | Lucas Automotive Gmbh | Assembly with a brake cylinder and an electromechanical brake booster |
| CN105240476B (en) * | 2015-09-30 | 2019-07-16 | 杭州祥生砂光机制造有限公司 | Accurate accurate adjustment mechanical pressure station and working method |
| CN105240477B (en) * | 2015-09-30 | 2019-07-16 | 杭州祥生砂光机制造有限公司 | Accurate fine adjustment type level(l)ing machine and working method |
| DE102016221150A1 (en) | 2016-10-27 | 2018-05-03 | Zf Friedrichshafen Ag | Gearing and electromechanical brake booster |
| DE102017208248A1 (en) | 2017-05-16 | 2018-11-22 | Volkswagen Aktiengesellschaft | Electromechanical vehicle steering |
| CN109506953A (en) * | 2018-11-29 | 2019-03-22 | 安徽江淮汽车集团股份有限公司 | A kind of multidirectional force transmission mechanism |
| DE102019205989B4 (en) | 2019-04-26 | 2024-02-15 | Zf Friedrichshafen Ag | Electromechanical brake booster |
| JP2021105441A (en) * | 2019-12-27 | 2021-07-26 | 高周波熱錬株式会社 | Rack bar and steering device and rack bar manufacturing method |
| IT201900025723A1 (en) * | 2019-12-30 | 2021-06-30 | Piaggio & C Spa | LOCKING SYSTEM FOR A VEHICLE INCLUDING A GEAR MOTOR SUITABLE TO OPERATE A LOCKING DEVICE |
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| US4987963A (en) * | 1988-12-27 | 1991-01-29 | Ford Motor Company | Steering gear for the roadwheels of a vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11159339A (en) * | 1997-08-05 | 1999-06-15 | Keiji Nawata | Internal combustion engine for converting reciprocating motion of piston to rotating motion by rack and pinion mechanism |
| JPH11182637A (en) * | 1997-12-19 | 1999-07-06 | Koyo Seiko Co Ltd | Worm gear transmission device, and electric power steering device |
| US7464620B2 (en) * | 2004-11-11 | 2008-12-16 | Schukraoof North America | Actuator |
| JP2007085416A (en) * | 2005-09-21 | 2007-04-05 | Mitsuba Corp | Motor with reducing gear |
-
2009
- 2009-07-06 DE DE102009027468A patent/DE102009027468A1/en active Pending
-
2010
- 2010-05-06 CN CN201080030476.XA patent/CN102498317B/en active Active
- 2010-05-06 JP JP2012518838A patent/JP5595494B2/en active Active
- 2010-05-06 WO PCT/EP2010/056146 patent/WO2011003643A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB771341A (en) * | 1954-03-16 | 1957-03-27 | Eisenwerke Mulheim Meiderich A | Improvements in or relating to drive apparatus for reciprocatable parts of machine tools |
| US2842976A (en) * | 1955-11-21 | 1958-07-15 | Young Sidney Geoffrey | Gear mechanisms |
| DE2446839A1 (en) * | 1974-10-01 | 1976-04-15 | Bosch Gmbh Robert | Worm gear drive for windscreen wiper - with identical gears on opposite sides of motor shaft for torque balance |
| US4215591A (en) * | 1977-02-09 | 1980-08-05 | Bishop Arthur E | Low friction rack and pinion steering gear |
| US4987963A (en) * | 1988-12-27 | 1991-01-29 | Ford Motor Company | Steering gear for the roadwheels of a vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012532297A (en) | 2012-12-13 |
| DE102009027468A1 (en) | 2011-01-13 |
| JP5595494B2 (en) | 2014-09-24 |
| CN102498317A (en) | 2012-06-13 |
| WO2011003643A1 (en) | 2011-01-13 |
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