CN1113048A - Transmission arrangement for electric power asisted vehicle - Google Patents

Abstract

An improved electric power assisted bicycle including a electric motor and planetary transmission arrangement constructed to permit ease of assembly and maintain a low cost and an improved one-way clutch that eliminates the need for bearings for rotatably aligning the elements of the clutch.

Description

Transmission arrangement for electric power asisted vehicle

The present invention relates to a kind of electric power asisted vehicle, and particularly a kind of such improved bicycle, a kind of for this reason about the configuration of the transmission device of engine, one-way clutch and bearing assembly.

The United States Patent (USP) of issuing in my 13 days July in 1993 demonstrate,prove No. 5266501 and I all also be in application during be transferred to this type shown in the serial number the 08/128886th of surrenderee's the serial number the 08/059540th of serial number application on March 10th, 1,1993 of 5 days March in 1993 application and application on September 29th, 1993 electric pushing-aid bicycle many advantages are arranged.In these applications and the above-mentioned patent structure shown in separately, bicycle has the common pedal gear of being handled by rider.

In addition, one is provided the electro-motor of power and is provided the control device of augmented thrust to be presented according to pedal input by battery, so that the performance easier and that keep it to make rider obtain taking exercise simultaneously of riding of bicycle.Aspect being connected between electro-motor and bicycle driving trailing wheel, insert gear reduction unit with minimizing speed and to increase the power output that electro-motor is transported to power wheel be common method.Here the content that is disclosed with reference to said sequence number the 08/026868th application in conjunction with me, as wherein said, planetary transmission is used to realize between the driver of motor output shaft and trailing wheel the deceleration of above-mentioned speed.Though this collocation form is highly effective, how much electro-motor and transmission device stacked has increased the length of electric drive and motor and transmission device if being separates the instructions for use parts and aligns to guarantee the work of balance.

Therefore, a main purpose of the present invention is to provide a kind of improved electro-motor and transmission device assembly that is used for providing power to the driver resemble the bicycle.

A further purpose of the present invention is to provide combining of an electro-motor and transmission device, to provide the assembly of a compactness.

Another object of the present invention is to provide an improved assembly, and wherein electro-motor and transmission device are simplified and can self-adjusting.

In conjunction with electro-motor as the bicycle auxiliary power, as the method usually commonly used of in above-mentioned several pendent applications and patent, being taken off be one-way clutch be placed between electro-motor and the trailing wheel and between crank mechanism and the rear wheel drive device with the transmission of simplifying power and not with transmission of power to not answering on driven parts.The a pair of element that sets into the one-way clutch element therein of the application need of one-way clutch.The two elements that is together with each other with one-way clutch must be held and make that their rotating shaft is that concentric and general for this purpose method commonly used is to use bearing arrangement substantially.This has obviously increased cost and complex structure.

In addition, a further object of the present invention is to provide a kind of improved and free-wheeling assembly that is applicable to the various drivers that comprise these electro-motor aiding bicycles of simplifying.

A primary characteristic of the present invention be suitable for being assembled in a compactness be used to drive in the electro-motor and actuator system of electric bicycle.Such cooperation comprises an electro-motor with shell, and this shell has an end plate, stretches out the output shaft of a motor by end plate.A support journal rest planetary component and be suitable for being driven with output shaft-driven load be connected.A surround orbit ring-type element is fixed with respect to motor shell and is meshed simply with planetary component.

Fig. 1 is an end view of an electric notor aiding bicycle being made of embodiments of the invention.

Fig. 2 sees and the pedal gear that illustrates along arrow 2 directions in Fig. 1 basically, drives the amplification plan view of the correlation of electric notor and transmission device and battery case.

Fig. 3 is the different elements of display driver trailing wheel and the schematic diagram of control thereof.

Fig. 4 is the side diagrammatic sketch of an amplification seeing along arrow 4 directions basically in Fig. 2, and wherein part is cut open moment testing agency and velocity transducer are shown.

Fig. 5 is a local parts exploded view of the configuration of the electric notor of explanation prior art structure type and transmission device.

Fig. 6 is the drawing in side sectional elevation along an amplification of 6-6 line among Fig. 4.

Fig. 7 is a drawing in side sectional elevation that further amplifies along 7-7 line among Fig. 6.

Fig. 8 is a drawing in side sectional elevation along 8-8 line among Fig. 6.

Fig. 9 is the enlarged perspective that one-way clutch shown in Figure 7 is partly cut open.

Figure 10 is a sectional side view that part is cut open, and wherein part is identical with Fig. 7 and a prior art constructions type is shown.

Figure 11 is a drawing in side sectional elevation along Figure 10 center line 11-11.

Figure 12 is one and is presented at the seat, the enlarged side view of correlation between seat pillar and battery case, and with dashed lines and solid line have illustrated seat at centre position and battery access site respectively.

In detail referring to accompanying drawing, see Fig. 1 and 2 earlier now, totally represent by mark 21 according to the electronic aiding bicycle that the embodiment of the invention constitutes.Bicycle 21 comprises one totally by the frame assembly of mark 22 expressions, and vehicle frame comprises by means of front fork ASSY 25 operably manages 23 before of journal rest front-wheel 24.A handlebar 26 is affixed to the upper end of front fork ASSY 25, and its mode is to be suitable for the known mode that front-wheel 24 is handled.

Frame assembly 22 comprises that further downward-sloping the past pipe 23 stretches out and be terminated in its lower end the body frame pipe 27 of a connector 28 backward downwards.Connector 28 has been installed in a vehicle seat and has propped up and lean on 29, with the back mode of explanation is being connected a saddle-shaped seat 31 on pillar 29.

Connector 28 also is connected to the upper end of transmission device and pedal support housing 32, and pedal supporting shell 32 crank axle 33 with the back with the mode journal rest of explanation, and a pair of crank arm 34 opposite side at housing 32 from the crank axle 33 stretches out.Pedal 35 is in a known way by the outer end of journal rest at crank arm 34.The rotating shaft of crank axle 33 laterally is set on the frame assembly 22 substantially.

Trailing wheel 36 is in order to rotate on frame assembly 22 by a postbrachium 37 and a pair of rear portion strut 39 by journal rest, postbrachium 37 is connected on the carriage 38 that is suitably appended on the housing 32, and rear portion strut 39 stretches out and is connected in the top on the seat post 29 from the flat end 41 of frame 37.

The crank assembly, crank axle 37 specifically, drive a sprocket wheel that is illustrated, this sprocket wheel and then drive trailing wheels 36 by chain 42.Chain 42 is wrapped by a chain protection equipment 43, and chain protector 43 is attached to frame assembly 27 and on one of rear portion strut 39 of a side of bicycle 21.

Except manpower drove trailing wheel 36, bicycle 21 also was equipped with an electronic power-assist mechanism, and it comprises an electric notor 43 that is installed on the body frame pipe 27 in the mode that illustrates later and keeps centre of gravity thus.Electric notor 43 provides electric energy by a battery that is assembled in the battery case 45, and battery case 45 is installed in seat post 29 back abreast in the mode that is illustrated.Seat 31 is from the mode that will illustrate movably, is convenient to mounting or dismounting battery 44 when displacement and/or maintenance.

By by totally from the controller in electric notor 43 tops of the front lower place that is installed in body frame 27 of mark 46 expressions, battery 44 is to electric notor 43 power supplies.Be attached to by one and be responsible for the adjacent main switch controller 46 of 27 following and preceding pipes 23, provide electric energy by battery 45.

Clearly, electric notor 43 and controller 46 provide the anterior-posterior balance that equates basically with respect to being provided with forward with battery 44 and battery case 45 of crank axle 33 with respect to being provided with backward of this, to keep the stability of bicycle 21.In addition these parts be mounted the relatively low terrain clearance that do not reduce simultaneously to keep a centre of gravity.

Electric notor 43 and controller 46 partly are encapsulated in the housing assembly 48, and housing assembly 48 is attached to together in known manner mutually by a top 49 and a bottom 51 to be formed.These parts are furnished with an opening, stretch out by the part of its controller 46, and shown in Fig. 1 bracket 52, so that cold true air flows through each parts of controller 46, these parts should remain on lower temperature.

A sprocket wheel 53 drives and drives above-mentioned chain 42 by mode shown in Figure 2 or by crank 33 or by electric notor 43 and drives trailing wheel 36.Before reference accompanying drawing 4 and 6-9 described this driving mechanism in detail, this drive system was illustrated with reference to Fig. 3, and Fig. 3 has summarily illustrated parts miscellaneous.As shown in Figure 3, being applied to foot-operated power on pedal 35 and the crank arm 34 by seat at the rider on the vehicle seat 31 schematically is illustrated in 54 one-way clutch and is passed on sprocket wheel 53 and the chain 42 by one.Chain 42 and then schematically show at 55 flywheel mechanism with one can be coupled on the trailing wheel 36 drivingly, and flywheel mechanism also can have an one-way clutch.

In an identical manner, electric notor 43 drives one and schematically is presented at 56 planetary driving device or other speed reduction gearing, by transmission device and then also schematically be not presented at 57 one-way clutch drive sprocket 53 by one.Controller 46 is according to the system manipulation electric notor 43 that provides power-assisted to drive trailing wheel 36, and the amount that drives the auxiliary power of trailing wheel 36 is determined according to the power that rider acts on the pedal 35 at least in part.The countermeasure described in the patent of issuing licence above-mentioned of any several pending applications above-mentioned at me can be employed.Basically this device comprises that one totally is expressed as 58 and be shown as the velocity transducer of a square frame form and one in the drawings and totally be expressed as 59 and also be shown as the torque sensor of a square frame form in the drawings.Because rider acts on the reason of the power on the said mechanism by a pedals and pedal/crank drive system mechanism, actual output torque will change with respect to the angular relationship of the axis of crank axle 33 along with crank arm 34, this be known and the pending application mentioned in the above in be illustrated.

Drive in explanation before the practical embodiments of trailing wheel 36, one of problem that some type of prior art structure is followed will be illustrated in particular with reference to Fig. 5, Fig. 5 illustrates an electric notor of totally being represented by mark 201, it is coupled on the overall decelerator transmission device by mark 202 expressions, decelerator transmission device 202 and then be connected on the shell 203 that drives original paper, this shell 203 resembles the cage assembly 23 in the foregoing description.

For the prior art constructions type, electric notor is equipped with 204, one the spline output shafts 206 of shell with a front end face 205 and passes this front end face 205 and stretch out.

The output shaft 206 of motor 201 is coupled on the power shaft (not shown) of transmission device 202, to drive the output shaft 207 that stretches out from the rear end face 208 of its shell 209.Shell 209 has a groove 211, and the front end face of electric notor 201 must be assembled in wherein.Therefore, a motor drive shaft 206 and power transmission shaft and housing 204 and 209 the problem of aiming at are arranged.

In addition, axle 207 must be connected with the axle (not shown) in final drive unit housing 203, and gear mechanism housing 209 is loaded in the groove 212 of above-mentioned drive unit housing.Thus, obviously prior art constructions not only since several housings and parts mutually assembling provided a quite long structure, but also manifest the problem that several and support housing align mutually.A feature of this structure has been avoided above-mentioned layout, now will be especially 4,6 and 8 it be described in detail in conjunction with the accompanying drawings, wherein electric notor 43 and be shown in more detail with the speed reduction gearing of its one.Motor 43 has a shell 61, and shell has a rear end face 62, and electric notor output shaft 63 passes rear end face 62 and stretches out.The transmission device 56 that schematically illustrates in Fig. 4 is described in detail in Fig. 6 and 8, and it comprises many planetary friction elements 64, these elements by middle anti-friction bearing 66 by axle journal be installed on the support shaft 65.These planetary friction elements 64 are remained on the cylindrical of the electric notor output shaft 63 in the assembly by frictional engagement closely in mode that will be illustrated.To between motor drive shaft 63 and planetary friction element 64, set up driving relationship thus.

Planetary friction element 64 also combined the cylindrical interior of fixed friction track annular element 67, this annular element 67 has and a pair ofly is attached to end plate 68 and 69 on the motor end face 62 by many screw thread fixed bodies 69.Be appreciated that out that in actual assembly orbit element 67 and end plate 68 and 69 were attached on the housing 61 of electric notor before its assembly is installed on the remainder of structure, this will illustrate below.

Housing 32 is made of first parts 72 of a cover plate 73 of an attaching.Housing parts 72 has a part of tubular basically, and it is enclosed within on orbit ring element 67 and the support element 74, and support element 74 has many holes 75 bracket pins 65 that is used for packing into, and planetary component 64 rotates on bracket pins 65.Spheric thrust bearing 76 is set between the front end face of the end of motor output shaft 63 and support 74, to realize axial alignment.

Pinion shaft 77 utilizes a pair of ball bearing 78 to be bearing on the housing member 72 rotationally axle journal, and is supporting a thrust bearing 79, thrust bearing 79 and then supporting the back side of support 74.An one-way clutch 81 is set between the inner periphery and pinion shaft 77 of bracket component 74.One-way clutch 81 has one and allows pinion shaft 77 axially to insert the forms of interference that wherein and not produce, and it allows driving to be transferred to pinion shaft from bracket component 74 after assembling, and does not allow pinion shaft driving arm parts 74.The form of any known one-way clutch can be employed, but a concrete roller shape clutch element will make device easier.

By using as described friction planetary driving device till now, can guarantee that these elements can easily be assembled and set.This can accomplish by at first assembling track component 67 and end plate 68 and 69 being assembled on the end of the motor shell 61 with the friction planetary component 64 that is arranged between them.Bracket pins 65 can be inserted in bearing 66 and the friction planetary component 64 and insert supporting bracket 74 simultaneously then.What should do after the assembling that comprises plate 68 and 69 is that orbit ring 67 and friction element 64 are installed on the motor shell 61 by threaded fasteners 71.This assembling form forms a kind of form of cooperating of forcing in fact.Like this, the outer surface of motor output shaft 63 will form different elements being the position of benchmark each other.Basically, the friction planetary driving device 56 of motor and so assembling can so be enclosed within on the pinion shaft 77 finishing final assembling, and such assembly can utilize bolt 82 be fixed together (Fig. 4).

The band of position that housing parts 72 is arranged at support 74 and bearing 78 rear portions has a further cavity of wherein inserting the crank axle 33 of pedal assembly.Crank axle is rotated in the journal rest vast sky chamber, ground, and its two ends are protruding from chamber to be connected in crank arm 34 in the mode that will be illustrated.

Form a pinion with its one on the pinion shaft 77, this pinion and ring gear 83 engagements.Ring gear 83 further is attached on the wheel hub 84, wheel hub 84 utilize a collar bearing assembly 85 by axle journal be bearing in the housing parts 72.Wheel hub 84 utilizes fixture formula rivet 86 to link to each other with pinion 83.Sprocket wheel 53 has one with being connected of spline mode and wheel hub 84, and when rim gear wheel 83 rotates, sprocket wheel 53 will be driven like this.One end of crank axle 33 utilize anti-friction bearing 88 by axle journal be installed in the wheel hub 84, anti-friction bearing has an oil seal 89 that is set on its cylindrical.The opposite end of crank axle 33 utilizes another rim bearing assembly 91 to be installed in the cover 73 of housing assembly 32 rotationally axle journal.

Planetary driving device by mark 92 overall expressions is used to constitute a driving relationship between crank 33 and rim gear wheel 83, and this connection also includes an one-way clutch.This one-way clutch is clearly show that in Fig. 7, and except playing one-way clutch, it gives the bearing arrangement of the coaxial relation of the different elements that is used to guarantee one-way clutch, and avoid like this having to the bearing element that separates keep one-way clutch from the correlation of inner and outer ring.

Usually, outer member utilizes roller ball bearing and inner formula driving element to be supported with rotation relation, and such bearing and all total separated components of the pawl element that is associated, they must assembled and not only increase cost and also comprise device size.The type of the such one-way clutch and the prior art of bearing assembly is illustrated by Figure 10 and 11, wherein provides a driving between the external component of inner wheel hub 211 and bar sprocket wheel 212 1 classes and connects.Internal part 213 of attaching rotationally on the inner wheel hub 211, internal part 213 is pivotally supporting many ratchets 214 in recess 215.These ratchets 214 outwards are biased into by spring assembly in the reception groove 216 on the whole that is integrally formed at sprocket wheel 212 normally through constituting an anticlockwise driving relationship as shown in Figure 2, but allow sprocket wheel 212 to surpass wheel hub 211 under certain conditions.

Ball bearing 217 is placed in and is formed in wheel hub 211 and threaded end part 218 and the raceway between sprocket wheel 212 inside.Thus, need provide the assembly apparatus of a complexity to keep described axle in relative rotation on 212 on wheel hub 211 and sprocket wheel, this has increased the cost and the complexity of device.

Because with the structure that is illustrated, it is necessary that the bearing of obviously avoiding separating adopts totally the free-wheeling assembly by mark 93 expressions in Fig. 6 and 7.This free-wheeling assembly 93 comprises one first or inner member 94, is formed with keyway on the inner member 94 with the prominent key 95 on the crank axle 33 that is used for packing into, is connected to reach forming to drive between crank axle 33 and first element 94.

Element 94 has arc-shaped notch, is used for inserting overall pawl element and the cylindrical part of representing with mark 98 97 its arc complementation.These pawl element 98 forked fingers 99 are formed with groove 101 on it, groove 101 is facing to the groove 102 of a correspondence that is shaped on the cylindrical of element 94.One keeps spring element 103 to be placed in these grooves 101 and 102, and keeps pawl element 98 on its position.The shape of groove 101 is such, make spring 103 resemble shown in Fig. 7 and 9 98 to positions of engagement of bias pawl.

One-way clutch 93 comprises one second formula external component, and these parts totally represent with mark 104, it have many be suitable for receiving the groove 105 of ratchet 98 and be formed in crank axle 33 and parts 104 between driving relationship.These ratchet receiving slits 105 be shaped by this way at sliding state at a slow speed or when pedal turns round, allow parts 104 to drive or rotate sooner than one-way clutch parts 94.

Arc cylindrical surface 106 of area limiting between flute profile groove 105.This surface and the corresponding arc column surface engaged that forms by the ledge of parts 94, ledge exceeds by first and second positions 108 and 109 grooves that form, and ratchet 98 is set up on the opposite face of the mouth 96 of taking a seat in groove.Because the extent and scope of cylindricality cambered surface 107 and 106, though on the circumference of element 94 and 104, sufficient supporting configuration is always arranged less than 360 °.Need being avoided of bearing that is used for the separation of above-mentioned relevant supporting like this, and therefore entire infrastructure is simplified.

As shown in Figure 6, outside one-way clutch elements 104 has many bracket pins 111, and planetary gear 112 is by axle journal ground installation rotationally thereon.These planetary gears 112 mesh with the internal gear of track component 113, and track component 113 is fixed on the rim gear wheel 83 rotationally with fixture or rivet 86 companions.It should be noted that, track component 113 has a bigger diameter, the internal tooth that is meshing planetary gear 112 this its is formed, be adjacent to place, pinion shaft 77 ends simultaneously, as being clearly shown that among the figure, the less external diameter that keeps whole relatively assembly makes housing assembly 32 that an external diameter littler than crank arm 34 be arranged.

Planetary gear 112 meshes with the central gear 114 that the ring flange 115 that axially is attached on the crank axle 33 and can rotates to it forms.Thus, by central gear 114, the planetary driving device 92 that planetary gear 112 and orbit ring generating gear 113 constitutes has provided when pedal and has done the deceleration of time spent between crank axle 33 and chain drum 53, to provide the active force of increase.

It is above-mentioned shown in Figure 3 and with mark 59 expression and with the identical effect that is marked at the torque sensor shown in Fig. 4 and 6 with square frame shape that central gear 114 at first plays part.This torque sensor 59 comprises a joint element 116, it by attaching on a flange that is formed on the ring flange 115 117.This joint element 116 and lever 118 engagements of attaching in axle 119, axle 119 by a pair of anti-friction bearing 121 axle journals be installed on the housing parts 72.Axle 119 is connected with the slide of potentiometer 122, with the rotational angle that provides central gear 114 and correspondingly rider act on the electricity output times number demonstration of the moment on the pedal assembly.

A damper 123 contacts with the spring 124 that plate 125 in breasting, having provided the bias voltage assembly 126 that truck dead lever 1.8 prevents the effect of its rotation, and therefore provides the moment testing result.Can adjust retainer 127 for one and limit the angle that levers 118 and central gear 114 rotate along clockwise direction in Fig. 4.The pattern of this torque sensor also is mentioned in above-mentioned several pending applications.

Electric lead 128 will be doubly number from torque sensor 59, potentiometer 122 is sent to controller 47 specifically.

In Fig. 3, comprise a magnetic element and the related coil that is installed in the tooth that is adjacent to ring gear 83 in the housing component 72 with square frame speed of displaying transducer 58.Therefore, when rim gear wheel 83 and sprocket wheel 53 rotated, pulse doubly number was sent to controller 46 from velocity transducer 58 by conductor 129, doubly number came its control to provide required speed.

Little cover 131 threaded fasteners 132 are attached to and cover 73 side, keep the clean and tidy of whole device to protect various elements.

Housing parts 72 is furnished with the bolt hole 133 of many mount spares, with the fixed drive assembly in frame assembly 22, specifically on its carriage 28.

Have now especially and the structure of battery case 45 is described and makes movably method of vehicle seat for adorning power taking pond 44 with reference to Figure 12.Mention as top, battery case 45 is set at the back of seat post 29 and the position forward with respect to wheel 36.Battery case 45 is narrower and laterally is contained between a pair of auxiliary saddle tube 134, and auxiliary saddle tube 134 is connected on the vehicle frame of back of seat post 29 and becomes the part of frame assembly 22.

Battery case socket 135 is fixed with respect to frame assembly 22 and has an a pair of plug-type electrical connector 136, and receptacle electrical connector 137 fit engagement of band when battery case 45 is packed socket 135 into, are then finished electrical connection on it and the battery case 45, illustrate as following.

Totally is furnished with a rod bolt 139 for one by the locking mechanism of mark 138 expressions, it keeps going up in position and utilizing one to anticipate by 141 and to show that the metal wire of demonstration is connected on the master switch 47, is removed to the lockout direction with the key on the convenient master switch 47 battery case 45.Decontroled counterclockwise the time as shown in Figure 1.Unless like this rider for the purpose of unclamping embed one in master switch key and connect above-mentioned direction and move it.Otherwise battery 44 can not be removed.

Battery socket 135 is resiliently mounted on the frame bracket 28 by an elastic supporting piece 142.

As shown in Figure 1, when vehicle seat 31 was fallen, most of overslaugh battery case of vehicle seat was changed or is picked and placeed.One totally by the vehicle seat adjustment of mark 143 expressions with pick and place assembly be presented from the position that can vertically adjust vehicle seat 34 and also allow vehicle seat 34 from turn to forward shown in Figure 12 dotted line one be used for changing battery case 45 and change battery 44 pick and place or overhaul the position.Though some parts is illustrated in Fig. 1, and said mechanism also continues to be illustrated with reference to Figure 12 now.

Vehicle seat 31 is attached to the upper end of support column 145 from known mode by a clamping bracket assembly.Support column 145 is locked in the position of adjusting in known manner by the formula clamper 146 that splits that supports slidably and utilize that can move along the axis that seat post tube 29 limits.Yet unlike the prior art be, pipe 145 has a carriage 147 that is attached to its lower end, it so that be pivotally connected on the bigger slightly carriage 149 that a lock is arranged in seat post tube 29 by pivot pin 148.Therefore, when clamping carriage 146 was released, this mechanism can upwards slide into the position shown in the solid line among Figure 12, and wherein parts 149 are the upper ends that are in seat post tube 29.Vehicle seat 31 and pillar 145 thereof are possible around the rotation of pivot pin 148 then, also allow should obtainable mode change it from figure from the cleaning battery case.

Should be clearly from above-mentioned explanation, described structure provided one very effective, compact and easily manufacturing be used to driver as the electro-motive vehicle of electronic aiding bicycle.This driver comprises an improved electric notor, planetary driving device and an improved one-way clutch.This no longer needs the bearing that adds.Certainly, above-mentioned explanation only is a reference example of the present invention and known very much electric notor transmission device and one-way clutch except the environmental condition preferably that has disclosed, also can be used to many other environmental conditions.Various other changes and revise can not thrown off scope of the present invention and thought and to finish, just as shown in claim defined in.

Claims (9)

1, a kind of electric notor of compactness and actuator system, comprise a electric notor with shell body, this shell body has the end plate that the output shaft of a described motor passes, it is characterized in that described system comprises the friction planetary component that the cylindricality circumference of the described extension of many and described output shaft frictionally meshes, axle journal ground is installed described planetary component and also is connected to by the support on the shaft-driven load of described output with being suitable for being driven, and one fix with respect to described motor shell and with the orbit ring element of described planetary component friction engagement.

2, the electric notor of compactness as claimed in claim 1 and actuator system have many pins on its medium-height trestle, a friction planetary component is installed on each pin separately axle journal.

3, by the electric notor and the actuator system of the compactness of claim 1, wherein planetary driving device is loaded in the drive shell, and described drive shell has an inner surface, and it is inserted slidably and is bearing on the orbit ring.

4, by the electric notor and the actuator system of the compactness of claim 1, wheel of motor transmission system drives wherein.

5, by the electric notor and the actuator system of the compactness of claim 4, the dependent manual operation device that comprises wheel especially, induction effect are operated the control device of described electric notor in the device of the power on the described dependent manual operation device and response the power on the described dependent manual operation device of acting on.

6,, wherein one of in dependent manual operation device and electric notor and on the drive unit between the wheel, comprising an one-way clutch at least by the electric notor and the actuator system of the compactness of claim 5.

7, by the electric notor and the actuator system of the compactness of claim 6, wherein one-way clutch is set between the element by carriage drive of support and driving wheel of vehicle.

8, by the electric notor and the actuator system of the compactness of claim 7, its medium-height trestle has a hub portion, and it has determined a chamber, and one-way clutch is placed into therein, wherein one-way clutch and the drive element co-operation of being inserted slidably wherein.

9, electric notor and actuator system by the compactness of claim 6, wherein one-way clutch is further provided with a bearing assembly and is made of a pair of element, one of them determines that has the inside opening that many ratchets are accepted groove and at least one section arc column surface, another of described element have many movably be used for rotationally the described ratchet of described first element of the described element of coupling and accept engagement, and one section arc column of at least the second element surface contacts with the described arc column surface of described first element, with the rotation axis that keeps described element in line and be used for axle journal ground and pacify described element it is relatively rotated.

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