CN104728382A - Stepless engine speed change system - Google Patents
Stepless engine speed change system Download PDFInfo
- Publication number
- CN104728382A CN104728382A CN201510163510.5A CN201510163510A CN104728382A CN 104728382 A CN104728382 A CN 104728382A CN 201510163510 A CN201510163510 A CN 201510163510A CN 104728382 A CN104728382 A CN 104728382A
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- CN
- China
- Prior art keywords
- displacement
- speed change
- way element
- supporting base
- changing system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
- F16H37/124—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types for interconverting rotary motion and reciprocating motion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
- F02B61/06—Combinations of engines with mechanical gearing
Abstract
The invention provides a stepless engine speed change system. The system comprises an output drive wheel, a distance change connecting rod, a speed change supporting base, a distance change moving base and an output isolator. One end of the distance change connecting rod is eccentrically hinged to the output drive wheel, and the other end of the distance change connecting rod is hinged to the distance change moving base. The distance change moving base is movably arranged on the speed change supporting base. The speed change supporting base is capable of swinging around a swing axis. The output isolator is connected to the speed change supporting base. The gearless, stepless, distance change, torque-variable and speed change system of the structure is applied to a thermo-motive engine, the power is increased by over 15% based on original engine power, oil consumption can be lowered by over 20%, the power transmission structure is suitable for engines with single cylinders or less cylinders, and the speed change system is suitable for all thermo-motive engines.
Description
Technical field
The present invention relates to thermal power engine field, in particular to motor stepless speed-changing system.
Background technique
Along with the development of TRANSPOWORLD instrument and farm machinery, thermal power engine has spread to all over the world, and particularly in recent years, along with the development of Domestic Automotive Industry, family car penetrates in the work of ordinary people, life gradually.Can say, modern society's all trades and professions be unable to do without thermal power engine all.We know, what available engine speed variator system generally adopted is by more gear changing reach become turn round, the object of bending moment, speed change.Certainly the automatic speed-changing system adopting CVT form is also had.For common manual gear-shift transmission, we often hear that my gearbox has broken again.And for existing automatic transmission, feature is complex structure, price is high, transmission efficiency is low, oil consumption is high.
Summary of the invention
The object of the present invention is to provide a kind of motor stepless speed-changing system, to solve above-mentioned technical problem.
The present invention is achieved in that
A kind of motor stepless speed-changing system, comprise and export driving wheel, displacement connecting rod, speed change supporting base, displacement active base and export one-way element, displacement connecting rod one end is hinged on prejudicially and exports on driving wheel, the other end is articulated with displacement active base, displacement active base is located on speed change supporting base movably, speed change supporting base swingingly can be arranged around axis of oscillation, exports one-way element and is connected to speed change supporting base.
Motor stepless speed-changing system of the present invention, export driving wheel, displacement connecting rod and speed change supporting base are interconnected, form crankrocker mechanism, displacement connecting rod one end is hinged in displacement active base, the rocking bar length of this crankrocker mechanism is changed by mobile displacement active base, driving wheel will be exported in use be connected with engine crankshaft, rotated by engine crankshaft driver output driving wheel, export driving wheel and drive the to-and-fro motion of displacement active base by being hinged on the displacement connecting rod exported on driving wheel prejudicially, displacement active base drives speed change supporting base to swing around axis of oscillation, speed change supporting base outputs power to running gear by connected output one-way element.
When needs variable-speed torque-converting, displacement active base is moved along speed change supporting base, change the displacement active base distance to the axis of oscillation of speed change supporting base, thus change displacement active base on speed change supporting base point of force application to the distance of this axis of oscillation, to reach the object of variable-speed torque-converting.
Motor stepless speed-changing system of the present invention make use of crankrocker mechanism principle dexterously and exports one-way element and exported by engine power, speed change is carried out by mobile displacement active base, carry out speed change without the need to change wheel, reach the object of real anodontia, electrodeless, bending moment, speed change with simple structure.
Motor stepless speed-changing system of the present invention, also comprises the one-level fixed gear for connecting described output driving wheel and engine crankshaft, and the velocity ratio of this one-level fixed gear is 2:1.
Motor stepless speed-changing system of the present invention, also comprise power and import one-way element into, this power imports one-way element connected row walking system and engine crankshaft into.
In the present invention, by this one-level fixed gear by motor working cell (four stroke, crankshaft rotating two is enclosed) convert four strokes to and export driving wheels and only revolve and turn around, so expansion stroke now accounts for 1/4th of this circle, that is to say 90-degree rotation, the present invention passes through an output one-way element cleverly by the Power output of expansion stroke, all the other 3/4ths circle (three strokes: air inlet, compression, exhaust) rely on an inertial rotation importing one-way element into and will produce when machinery and vehicle to run, because power is transmitted by one-way element, the resistance major part that the stroke of three consumption of power now produces is consumed by the inertia that vehicle or machinery produce, thus enable the Power output that expansion stroke will produce with all strength.And traditional single cylinder and the less motor of cylinder number, before by transmission of power to output shaft, first the power that expansion stroke produces will overcome the resistance that its excess-three stroke produces, and remaining power just can output on output shaft and vehicle, reduces the utilization ratio of engine power.
Motor stepless speed-changing system of the present invention, also comprises initiatively oil hydraulic cylinder and displacement piston, and described displacement piston to be arranged in described speed change supporting base and to be fixedly connected with described displacement active base, and described active oil hydraulic cylinder and displacement piston form hydraulic connecting.
Move displacement active base by liquid cylinder piston, realize increasing and reducing moment of torsion transmission, structure is simple, and precision is high, can reach the object of electrodeless anodontia displacement speed change.
Motor stepless speed-changing system of the present invention, is also provided with displacement stage clip, and this displacement stage clip one end is supported in displacement active base, and the other end is supported on speed change supporting base.
Move displacement active base by liquid cylinder piston, realize increasing and reducing moment of torsion transmission, and when the active piston of displacement stage clip in active oil hydraulic cylinder bounces back (when becoming high pulling torque), play the effect making displacement piston get back to speed change supporting base top return.Speed change supporting base then to play all component combinations to a role, makes whole power output system only export the power of expansion stroke.
Motor stepless speed-changing system of the present invention, also comprises output driven shaft, and described output one-way element is connected with speed change supporting base by exporting driven shaft.
Motor stepless speed-changing system of the present invention, described active oil hydraulic cylinder is located in described output driven shaft.
Initiatively oil hydraulic cylinder is for driving the displacement piston be located in speed change supporting base, to realize bending moment speed change, active oil hydraulic cylinder is located at and exports in driven shaft, compact structure, can reduce the installing space of motor stepless speed-changing system of the present invention in heat power terminal and conveniently arrange speed changing operating mechanism.
Motor stepless speed-changing system of the present invention, described output one-way element is accurate one-way element.
Motor stepless speed-changing system of the present invention, it is accurate one-way element that described power imports one-way element into.
Accurate one-way element transmission validity is high, and energy loss is little, being designed to accurate one-way element, can improving the efficiency of motor stepless speed-changing system of the present invention further by importing described output one-way element and described power into one-way element.
Motor stepless speed-changing system of the present invention, described output one-way element is connected with running gear by gear drive.
Three stroke admission, compression, exhausts of four stroke engine expansion stroke and other consumption of power can be separated from by motor stepless speed-changing system of the present invention, enable motor expansion stroke all one's effort by the Power output of acting generation on vehicle or machinery.The inertial force that vehicle or machinery walking produce then can be delivered to motor heat engine part, for driving air inlet, compression, exhaust three stroke execution by an one-way element by the stroke of its excess-three consumption of power.
Our experiments show that, anodontia, electrodeless, the bending moment of structure of the present invention, change are turned round, speed variator system is applied on thermal power engine, power promotes more than 15% on former mechanomotive force basis, oil consumption can reduce by more than 20%, power transmission structure of the present invention is applicable to single cylinder and the less motor of cylinder number, and speed variator system structure is then applicable to all thermal power engines.
The present invention can arrange power and import system into, for driving air inlet, compression, exhaust stroke action, also can not arrange power and importing system into, relies on bent axle inertial drive.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present invention, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the motor stepless speed-changing system of first embodiment of the invention;
Fig. 2 is the motor stepless speed-changing system of second embodiment of the invention;
Fig. 3 is the active oil hydraulic cylinder of the embodiment of the present invention.
Reference character gathers: motor 101, speed change supporting base 102, displacement active base 103, displacement connecting rod 105, output driving shaft 107, output driving wheel 108, output one-way element 110, power import one-way element 112, initiatively oil hydraulic cylinder 113, displacement piston 106, displacement stage clip 104, first hydraulic pipe line 121, second hydraulic pipe line 122, active piston 114 into.
Embodiment
Along with the development of TRANSPOWORLD instrument and farm machinery, thermal power engine has spread to all over the world, and particularly in recent years, along with the development of Domestic Automotive Industry, family car penetrates in the work of ordinary people, life gradually.Can say, modern society's all trades and professions be unable to do without thermal power engine all.We know, what available engine speed variator system generally adopted is by more gear changing reach become turn round, the object of bending moment, speed change.Certainly the automatic speed-changing system adopting CVT form is also had.For common manual gear-shift transmission, we often hear that my gearbox has broken again.And for existing automatic transmission, feature is complex structure, price is high, transmission efficiency is low, oil consumption is high.
Given this, artificer of the present invention devises a kind of motor stepless speed-changing system, comprise and export driving wheel, displacement connecting rod, speed change supporting base, displacement active base and export one-way element, displacement connecting rod one end is hinged on prejudicially and exports on driving wheel, the other end is articulated with displacement active base, displacement active base is located on speed change supporting base movably, and speed change supporting base swingingly can be arranged around axis of oscillation, exports one-way element and is connected to speed change supporting base.
Motor stepless speed-changing system of the present invention will export driving wheel in use and be connected with engine crankshaft, rotated by engine crankshaft driver output driving wheel, export driving wheel and drive the to-and-fro motion of displacement active base by being hinged on the displacement connecting rod exported on driving wheel prejudicially, displacement active base drives speed change supporting base to swing around axis of oscillation, and speed change supporting base outputs power to running gear by connected output one-way element.
Our experiments show that, anodontia, electrodeless, the bending moment of structure of the present invention, change turned round, speed variator system is applied on thermal power engine, power promotes more than 15% on former mechanomotive force basis, and oil consumption can reduce by more than 20%.Be no matter increase the automatic gear shifting drive devices such as auxiliary centrifugal force mechanism, electronic mechanism or manual gear shifting is set, all greatly can improve fuel value utilization ratio, to simplify and user-friendly.
For making the object of the embodiment of the present invention, technological scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.The assembly of the embodiment of the present invention describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.Therefore, below to the detailed description of the embodiments of the invention provided in the accompanying drawings and the claimed scope of the present invention of not intended to be limiting, but selected embodiment of the present invention is only represented.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In describing the invention, also it should be noted that, unless otherwise clearly defined and limited, term " setting ", " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.Conversion proportion can be 2:1, also can be 3:1.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
Embodiment 1, with reference to Fig. 1
This motor stepless speed-changing system comprises output driving wheel 108, displacement connecting rod 105, speed change supporting base 102, displacement active base 103 and exports one-way element 110, displacement connecting rod 105 one end is hinged on prejudicially and exports on driving wheel, the other end is articulated with displacement active base 103, displacement active base 103 is located on speed change supporting base 102 movably, speed change supporting base 102 swingingly can be arranged around axis of oscillation, exports one-way element 110 and is connected to speed change supporting base 102.
Export driving wheel 108 to be connected with bent axle by exporting driving shaft 107, output driving wheel 108 with export driving shaft 107 and be fixedly connected with, can be weld, be threaded, compress connection etc.
In this motor stepless speed-changing system, export driving wheel 108 and also can directly be fixed on the bent axle of motor 101.
The movement of displacement active base 103 on speed change supporting base 102 can by various known machinery, hydraulic pressure, electronic methods realize, such as pinion and rack, worm-and-wheel gear, actuating motor, liquid cylinder piston etc.
Preferably, be also provided with and export driven shaft 109, described output one-way element 110 is connected with speed change supporting base 102 by exporting driven shaft.Also output driven shaft can not be set, output one-way element 110 is directly connected with speed change supporting base 102, such as, by welding, riveting, be threaded.
The working method of motor stepless speed-changing system of the present invention is: ato unit, rotated by engine crankshaft driver output driving wheel 108, export driving wheel 108 and drive displacement active base 103 to-and-fro motion by being hinged on the displacement connecting rod 105 exported on driving wheel 108 prejudicially, displacement active base 103 drives speed change supporting base 102 to swing around axis of oscillation, and speed change supporting base 102 outputs power to running gear by connected output one-way element 110.
When needs variable-speed torque-converting, displacement active base 103 is moved along speed change supporting base 102, change the distance of the axis of oscillation of displacement active base 103 to speed change supporting base 102, thus change displacement active base 103 on speed change supporting base 102 point of force application to the distance of this axis of oscillation, to reach the object of variable-speed torque-converting.
Motor stepless speed-changing system of the present invention make use of crank rocker principle dexterously and exports one-way element 110 and exported by engine power, speed change is carried out by mobile displacement active base 103, carry out speed change without the need to change wheel, reach the object of real anodontia, electrodeless, bending moment, speed change with simple structure.
This motor speed change gear is provided with the one-level fixed gear for connecting described output driving wheel 108 and engine crankshaft, and the velocity ratio of this one-level fixed gear is 2:1.One of a motor working cell (four strokes, crankshaft rotating two is enclosed) can be converted to four strokes thus to export driving wheels 108 and only revolve and turn around.
This motor stepless speed-changing system also comprises power and imports one-way element 112 into, and this power imports one-way element connected row walking system and engine crankshaft into.Import one-way element 112 into by this power, in the stroke of three consumption of power, the inertial force that vehicle or machinery walking produce is delivered to motor heat engine part, for driving air inlet, compression, exhaust three stroke execution.
Output one-way element 110 in the present invention, power import one-way element 112 into can use existing various roller type isolator, sprag type one-way device, and the methods of its structure, principle and use are all known, are not described in detail at this.
In the present invention, motor 101 working cell converted to four strokes by this one-level fixed gear to export driving wheels 108 and only revolve and turn around, so expansion stroke now accounts for 1/4th of this circle, that is to say 90-degree rotation, the present invention passes through an output one-way element 110 cleverly by the Power output of expansion stroke, all the other 3/4ths circle (three strokes: air inlet, compression, exhaust) rely on an inertial rotation importing one-way element into and will produce when machinery and vehicle to run, because power is transmitted by one-way element, the resistance major part that the stroke of three consumption of power now produces is consumed by the inertia that vehicle or machinery produce, thus enable the Power output that expansion stroke will produce with all strength.And traditional single cylinder and the less motor of cylinder number, before by transmission of power to output shaft, first the power that expansion stroke produces will overcome the resistance that its excess-three stroke produces, and remaining power just can output on output shaft and vehicle, reduces the utilization ratio of engine power.
Embodiment 2, with reference to Fig. 2-3
The motor stepless speed-changing system of the present embodiment, its basic structure, the technique effect realizing principle and generation are identical with previous embodiment 1, are concise and to the point description, the not mentioned part of the present embodiment part, can corresponding contents in reference example 1.
The motor stepless speed-changing system of the present embodiment provides the hydraulic system for bending moment speed change, this hydraulic system comprises initiatively oil hydraulic cylinder 113 and displacement piston 106, described displacement piston to be arranged in described speed change supporting base 102 and to be fixedly connected with described displacement active base 103, and described active oil hydraulic cylinder and displacement piston form hydraulic connecting.
Also be provided with displacement stage clip 104, this displacement stage clip one end is supported in displacement active base 103, and the other end is supported on speed change supporting base 102.
Displacement active base 103 is moved by liquid cylinder piston, realize increasing and reducing moment of torsion transmission, and during the active piston retraction of displacement stage clip 104 in active oil hydraulic cylinder 113 when high pulling torque (become), play the effect making displacement piston 106 get back to speed change supporting base 102 top return.Speed change supporting base 102 then to play all component combinations to a role, makes whole power output system only export the power of expansion stroke.
In this motor stepless speed-changing system, preferably, described active oil hydraulic cylinder 113 is located in described output driven shaft.
In order to realize the hydraulic connecting of initiatively oil hydraulic cylinder 113 and displacement piston 106, the first hydraulic pipe line 121 is provided with in active oil hydraulic cylinder 113, this the first hydraulic pipe line one end is communicated with the hydraulic fluid chamber in active oil hydraulic cylinder 113, the other end is communicated with the second hydraulic pipe line 122 be located in speed change supporting base 102, and this second hydraulic pipe line the other end is communicated with displacement piston 106.
When needing speed change, drive the active piston 114 of initiatively oil hydraulic cylinder 113 to move forward or backward, just drive displacement piston 106 to correspondingly lower or move up by the first hydraulic pipe line 121 and the second hydraulic pipe line 122, realize bending moment speed change.
Initiatively oil hydraulic cylinder 113 is for driving the displacement piston 106 be located in speed change supporting base 102, to realize bending moment speed change, be located at by active oil hydraulic cylinder 113 and export in driven shaft, compact structure, can reduce the installing space of motor stepless speed-changing system of the present invention on automobile.
In this motor stepless speed-changing system, described output one-way element 110 is accurate one-way element.
In this motor stepless speed-changing system, described power imports one-way element 112 into for accurate one-way element.
Accurate one-way element be validity high, the one-way element of precision manufactureing.
Being designed to accurate one-way element by importing described output one-way element 110 and described power into one-way element 112, can precision being improved, reduce energy consumption further.
In this motor stepless speed-changing system, the connection that the connection of described output one-way element 110 and running gear and running gear and power import one-way element 112 into realizes by gear drive, belt driver, chain-driven unit or other feasible various transmission devices.
Three stroke admission, compression, exhausts of four stroke engine expansion stroke and other consumption of power can be separated from by motor stepless speed-changing system of the present invention, enable motor expansion stroke all one's effort by the Power output of acting generation on vehicle or machinery.The inertial force that vehicle or machinery walking produce then can be delivered to motor heat engine part, for driving air inlet, compression, exhaust three stroke execution by an one-way element by the stroke of its excess-three consumption of power.
Our experiments show that, anodontia, electrodeless, the bending moment of structure of the present invention, change are turned round, speed variator system is applied on thermal power engine, power promotes more than 15% on former mechanomotive force basis, oil consumption can reduce by more than 20%, power transmission structure of the present invention is applicable to single cylinder and the less motor of cylinder number, and speed variator system structure is then applicable to all thermal power engines.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a motor stepless speed-changing system, it is characterized in that, comprise and export driving wheel, displacement connecting rod, speed change supporting base, displacement active base and export one-way element, displacement connecting rod one end is hinged on prejudicially and exports on driving wheel, the other end is articulated with displacement active base, displacement active base is located on speed change supporting base movably, and speed change supporting base swingingly can be arranged around axis of oscillation, exports one-way element and is connected to speed change supporting base.
2. motor stepless speed-changing system according to claim 1, is characterized in that, also comprises the one-level fixed gear for connecting described output driving wheel and engine crankshaft, and the velocity ratio of this one-level fixed gear is 2:1.
3. motor stepless speed-changing system according to claim 1, is characterized in that, also comprises power and imports one-way element into, and this power imports one-way element connected row walking system and engine crankshaft into.
4. according to the motor stepless speed-changing system in claim 1-3 described in any one, it is characterized in that, also comprise initiatively oil hydraulic cylinder and displacement piston, this displacement piston to be arranged in described speed change supporting base and to be fixedly connected with described displacement active base, and initiatively oil hydraulic cylinder and displacement piston form hydraulic connecting.
5. motor stepless speed-changing system according to claim 4, is characterized in that, is also provided with displacement stage clip, and this displacement stage clip one end is supported in displacement active base, and the other end is supported on speed change supporting base.
6. motor stepless speed-changing system according to claim 4, is characterized in that, also comprises output driven shaft, and described output one-way element is connected with speed change supporting base by exporting driven shaft.
7. motor stepless speed-changing system according to claim 6, is characterized in that, described active oil hydraulic cylinder is located in described output driven shaft.
8. motor stepless speed-changing system according to claim 1, is characterized in that, described output one-way element is accurate one-way element.
9. motor stepless speed-changing system according to claim 3, is characterized in that, it is accurate one-way element that described power imports one-way element into.
10. motor stepless speed-changing system according to claim 1, is characterized in that, described output one-way element is connected with running gear by gear drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510163510.5A CN104728382B (en) | 2015-04-08 | 2015-04-08 | Electromotor stepless speed variator system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510163510.5A CN104728382B (en) | 2015-04-08 | 2015-04-08 | Electromotor stepless speed variator system |
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| CN104728382A true CN104728382A (en) | 2015-06-24 |
| CN104728382B CN104728382B (en) | 2017-03-29 |
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| CN201510163510.5A Active CN104728382B (en) | 2015-04-08 | 2015-04-08 | Electromotor stepless speed variator system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108591406A (en) * | 2018-05-31 | 2018-09-28 | 韦炳伦 | A kind of contiuously variable transmission |
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| JP2014152807A (en) * | 2013-02-05 | 2014-08-25 | Honda Motor Co Ltd | Vehicular power transmission device |
| CN204533428U (en) * | 2015-04-08 | 2015-08-05 | 方何龙 | Motor speed change gear |
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| JP2004138229A (en) * | 2002-08-23 | 2004-05-13 | Toyota Motor Corp | Movement direction conversion structure for internal combustion engine |
| CN1607343A (en) * | 2003-10-14 | 2005-04-20 | 林志贺 | Cable type impulse stepless gear box |
| JP2014152807A (en) * | 2013-02-05 | 2014-08-25 | Honda Motor Co Ltd | Vehicular power transmission device |
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