CN102001409B - Electric bicycle - Google Patents
Electric bicycle Download PDFInfo
- Publication number
- CN102001409B CN102001409B CN201010264086.0A CN201010264086A CN102001409B CN 102001409 B CN102001409 B CN 102001409B CN 201010264086 A CN201010264086 A CN 201010264086A CN 102001409 B CN102001409 B CN 102001409B
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- Prior art keywords
- power unit
- vehicle frame
- electric bicycle
- electrical motor
- vehicle body
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- 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.)
- Expired - Fee Related
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- Automatic Cycles, And Cycles In General (AREA)
- Motorcycle And Bicycle Frame (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention provides an electric bicycle capable of realizing low gravity, comprising a down frame (18) extending from a head tube (11) downwards and towards the back of the body; a lower frame (19) extending backwards towards the back of the body from another end of the down frame (18); a seat tube (22) connected with the back end of the lower frame (19) by a connection component (20) and extending upwards; a seat (23) arranged on the upper end of the seat tube (22); a power unit (30) for driving the back wheel (24) and provided with a motor (27) and a pedal (28) for the occupant; an accumulator (39) for supplying the electric power for the motor (27), characterized in that: the lower frame (19) is rectangular viewed from the section and the accumulator (39) is housed in the lower frame (19). The accumulator (39) as the weight matter is housed in the lower frame and the gravity of the electric bicycle (10) is lowered.
Description
Technical field
The present invention relates to the electric bicycle that drive source is electrical motor.
Background technology
Known have by occupant's pushes pedals detect pedal force, by detecting pedal force, make the electric bicycle (for example,, with reference to patent documentation 1 (Fig. 1)) of motor action.
As shown in Fig. 1 of patent documentation 1, at electric bicycle (the 1) (symbol that parenthesized numeral patent documentation 1 is recorded.Identical below) in, power unit (4) near transom (15), possessed.This power unit (4) possesses electrical motor, and this electrical motor is powered by storage battery (16).This storage battery (16) configures in the top mode that (2) extend longitudinally towards seat from power unit (4).
But because the storage battery as weight thing (16) extends longitudinally configuration, so the center of gravity of electric bicycle (1) easily uprises.That is, existing electric bicycle (1) also has the leeway of improvement at center of gravity this respect.
At this, known have storage battery is configured in to the main car frame of forebody of vehicle frame or the electric bicycle of lower vehicle frame part, but pay particular attention to, do not consider and the shape etc. of vehicle frame of relation of the power unit that comprises electrical motor that is equipped on the approximate centre portion of vehicle.
The electric bicycle that can realize low center of gravity is preferably provided.
Patent documentation 1: JP 2001-88769 communique
Summary of the invention
Problem of the present invention is to provide a kind of can realize low center of gravity, and has adopted the lift-launch of storage battery good with the relation of power unit and the structure of vehicle frame.
A first aspect of the present invention is electric bicycle, and it possesses: from head tube downwards and the downward vehicle frame extending to vehicle body rear; Vehicle frame extending to vehicle body rear from the lower end of this downward vehicle frame; The seat pipe that is connected with the rearward end of this lower vehicle frame by transom and extends upward; Be arranged at the seat of the upper end of this pipe; Comprise the pedal that electrical motor and confession occupant trample and the power unit that trailing wheel is driven; And storage battery from electric power to described electrical motor that supply with, described electric bicycle is characterised in that,
Described lower vehicle frame forms rectangular shaped when section is observed, and in this lower vehicle frame, accommodates described storage battery,
Described power unit is configured in the rear of described transom,
The front portion of described transom is covered by the described lower vehicle frame of rectangular shape, and the rear portion of described transom forms along the shape of the front surface of described power unit, covers the front surface of described power unit.
A second aspect of the present invention is characterised in that, the power unit supporting members supports that power unit is extended towards vehicle body rear by the bottom from seat pipe,
This power unit supporting member forms along the upper surface of power unit and the shape of rear surface, covers upper surface and the rear surface of power unit.
A third aspect of the present invention is characterised in that, electrical motor is connected with the actuator of controlling the action of this electrical motor,
This actuator is configured to the length direction of actuator along the fore-and-aft direction of vehicle body at the upper surface of power unit supporting member.
A fourth aspect of the present invention is characterised in that, actuator is covered by the cover member arranging towards the side of actuator from seat pipe,
This cover member has peristome forwardly.
A fifth aspect of the present invention is characterised in that, vehicle frame forms rectangular shaped when section is observed downwards, and it accommodates second storage battery different from storage battery.
A sixth aspect of the present invention is characterised in that, in the bottom of power unit, support is installed, by this bracket supports side jiffy stand.
A seventh aspect of the present invention is characterised in that, while observing vehicle body in side, the pedal shaft of pedal is arranged on from the horizontally extending lower vehicle frame of the lower surface lower end line of lower vehicle frame and between the horizontally extending lower vehicle frame of the upper surface upper end line of lower vehicle frame.
A eighth aspect of the present invention is characterised in that, while observing vehicle body in side, pedal shaft is arranged on from the horizontally extending electrical motor of lower surface of electrical motor end line and from the horizontally extending electrical motor of upper surface of electrical motor between end line.
A ninth aspect of the present invention is characterised in that, while observing vehicle body in side, with upper end, than lower end, the mode by the configuration of vehicle body rear tilts seat pipe,
Transom extends upward from the upper surface of the lower vehicle frame connecting portion that is connected with vehicle frame, and extends in the mode that the upper end of the part of being extended upward by this surrounds seat pipe.
A tenth aspect of the present invention is characterised in that, the lower surface of power unit covers lid by the lower surface setting up towards power unit supporting member from transom.
Invention effect
According to a first aspect of the invention, storage battery is housed in the lower vehicle frame of rectangular shaped while forming section observation.By in the storage battery as weight thing is housed in lower vehicle frame, can reduces the center of gravity of electric bicycle, and can effectively protect from outside storage battery.
In addition, power unit is configured in the rear of transom, and transom is connected with the rear end of lower vehicle frame.That is, by the power unit as weight thing being configured in to the low position of vehicle body, thereby can further reduce the center of gravity of electric bicycle.
In addition, because the front portion of transom forms the shape being connected with the lower vehicle frame of section rectangular shape, so rear portion easily forms along the shape of the front surface of power unit, can easily cover the front surface of power unit.Thus, can be protected by transom the front surface of power unit, in order to avoid touch under steam the handstone sudden from road surface etc.
According to a second aspect of the invention, power unit supporting member forms along the upper surface of power unit and the shape of rear surface, and covers upper surface and the rear surface of power unit.By configuration power unit supporting member, can make to be difficult to touch power unit towards the sudden handstone of upper surface and rear surface of power unit.
According to a third aspect of the invention we, drive configuration is at the upper surface of power unit supporting member.As the drive configuration of weight thing near center of gravity.Near weight thing is concentrated on to center of gravity, configure, can realize concentrating of quality.
In addition, the length direction of actuator is along the fore-and-aft direction configuration of vehicle body.Compare along the situation of the above-below direction configuration of vehicle body with the length direction of actuator, can lower the center of gravity.
According to a forth aspect of the invention, actuator is covered by the cover member with peristome.When electric bicycle travels, wind enters from peristome, and actuator is cooling.Can protect and cooling actuator, be useful.
According to a fifth aspect of the invention, vehicle frame forms rectangular shaped when section is observed downwards, and accommodates second storage battery different from storage battery.By increasing the lift-launch of storage battery, measuring, can make the 27 action longer times of electrical motor, is useful.
According to a sixth aspect of the invention, in the bottom of power unit, support is installed, by this bracket supports side jiffy stand.That is, below power unit, be provided with side jiffy stand.By side jiffy stand is set near center of gravity, can alleviate the load that offside jiffy stand applies when stopping.
According to a seventh aspect of the invention, the pedal shaft of pedal is arranged between lower vehicle frame lower end line and lower vehicle frame upper end line.That is, roughly in equal height, pedal shaft is being set with lower vehicle frame.Thus, easily by transom, covered the front surface of power unit, can realize the densification of transom.
According to an eighth aspect of the invention, pedal shaft is arranged under electrical motor on end line and electrical motor between end line.That is, roughly in equal height, pedal shaft is being set with electrical motor.By electrical motor and pedal shaft are configured in to approaching position, thereby can realize the densification of power unit.
According to a ninth aspect of the invention, the mode that transom surrounds seat pipe with the top by lower vehicle frame connecting portion is extended.Seat pipe is connected member encirclement by lower end and is supported.Without for supporting base pipe, supporting member being set in addition, can realize the reduction of number of components.
According to the tenth aspect of the invention, the lower surface of power unit covers lid by the lower surface setting up towards power unit supporting member from transom.By covered the lower surface that covers power unit by lower surface, can make to be difficult to touch power unit towards the sudden handstone of power unit lower surface.
Accompanying drawing explanation
Fig. 1 is the lateral plan of electric bicycle of the present invention.
Fig. 2 is the block diagram of the framework of electric bicycle of the present invention.
Fig. 3 is the 3-3 line cutaway view of Fig. 1.
Fig. 4 is the figure of the power unit of explanation electric bicycle of the present invention.
Fig. 5 is the main portion birds-eye view of electric bicycle of the present invention.
Fig. 6 is the figure of explanation cover member.
Nomenclature:
10 electric bicycles
11 head tubes
18 downward vehicle frames
19 times vehicle frames
20 transoms
22 pipes
23 seats
24 trailing wheels
27 electrical motors
28 pedals
30 power units
31 supports
32 side jiffy stands
39 storage batterys
41 second storage batterys
44 power unit supporting members
45 connecting portions
48 actuators
49 following table face shields
51 pedal shafts
53 times vehicle frame lower end lines
54 times vehicle frame upper end lines
End line under 55 electrical motors
End line on 56 electrical motors
60 cover members
61 peristomes
The specific embodiment
Embodiments of the present invention are below described with reference to the accompanying drawings.Wherein, accompanying drawing is observed along the direction of symbol.
[embodiment]
Embodiments of the invention are described with reference to the accompanying drawings.
As shown in Figure 1, electric bicycle 10 comprises: in head tube 11, be mounted to the front fork 12 turning to freely; Be arranged on the front-wheel 13 freely of rotation of the lower end of this front fork 12; The front brake 21 that is arranged at this front-wheel 13 and front-wheel 13 is braked; Be installed on front fork 12 and block mud that front-wheel 13 takes up and the front fender apron 14 of stone; Be installed on the front portion of head tube 11 and irradiate the head lamp 15 of direct of travel; The handle 16 that is arranged on the top of head tube 11 and vehicle body is turned to; Be arranged near the brake rod 17 of this handle 16; From head tube 11 downwards and the downward vehicle frame 18 extending to vehicle body rear; Vehicle frame 19 extending from the other end of this downward vehicle frame 18 to vehicle body rear; Rearward end by the lower vehicle frame 19 of transom 20 and this is connected the seat pipe 22 also extending upward; The seat 23 that is arranged at the upper end of this pipe 22 and takes a seat for occupant; Vehicle frame 25 extending towards trailing wheel 24 from the below at this seat 23; The rear brake 26 that is arranged at trailing wheel 24 and trailing wheel 24 is braked; The pedal 28 that comprises electrical motor 27 and trample for occupant and drive the power unit 30 of trailing wheel 24; By be installed on this power unit 30 bottom support 31 supporting and at the side jiffy stand 32 of dead ship condition lower support vehicle body; Be arranged at the top of this side jiffy stand 32 and protect the chain guard 35 of chain 34; To cover the mode of trailing wheel 24, install to block mud that trailing wheel 24 takes up and the rear mudguard 36 of stone.
Below power unit 30, be provided with side jiffy stand 32.By side jiffy stand 32 is set near center of gravity, can alleviate the load that offside jiffy stand 32 applies when stopping.
In such electric bicycle 10, by occupant's pushes pedals 28, sensor detects pedal force.When pedal force being detected, electrical motor 27 actions.Utilize the power of occupant's pushes pedals 28 and the power of electrical motor 27 that electric bicycle is advanced.
Once electrical motor 27 actions, electrical motor 27 is with constant speed perseveration.Therefore,, even occupant's pushes pedals 28 not, electric bicycle 10 also moves on.
And, when hope is accelerated electric bicycle 10, the further pushes pedals 28 of occupant.By detecting this pedal force, electrical motor 27 moves at faster speed.
By making drg 21,26 work, electrical motor 27 stops, and electric bicycle 10 also stops.
Utilize next accompanying drawing in further detail the framework of such electric bicycle 10 to be described.
As shown in Figure 2, vehicle frame 18 and lower vehicle frame 19 form case shape downwards.By taking off the lid 43 being arranged on so downward vehicle frame 18, can configure, take out storage battery (Fig. 1, symbol 39,41).
The power unit supporting member 44 that is used for supporting power unit (Fig. 1, symbol 30) extends towards vehicle body rear from the bottom of seat pipe 22.
Power unit supporting member 44 forms upper surface (Fig. 4, symbol 30b) along power unit and the shape of rear surface (Fig. 4, symbol 30c).
In addition, the front portion of transom 20 is covered by lower vehicle frame 19, and rear 20a forms the shape along power unit.The front surface of power unit (Fig. 4, symbol 30a) is connected member 20 and covers.
When vehicle body is observed in side-looking, with upper end, than lower end, the mode by the configuration of vehicle body rear tilts seat pipe 22, transom 20 extends upward from the upper surface of the lower vehicle frame connecting portion 45 that is connected with vehicle frame 19, and extends in the mode that the upper end of the part of being extended upward by this surrounds seat pipe 22.
Trailing wheel (Fig. 1, symbol 24) by the support tube 46,46 rearward extending from power unit bearing member 44 and vehicle frame 25,25 supporting.
Utilize next accompanying drawing to explain and be configured in the storage battery in lower vehicle frame 19.
As shown in Figure 3, rectangular shaped while observing that lower vehicle frame 19 forms section (with the face of the length direction quadrature of storage battery 39), contains storage battery 39 in this lower vehicle frame 19.
And, at the lower surface of lower vehicle frame 19, be provided with downward outstanding lower surface protuberance 47.From storage battery 39, be connected to the distribution of electrical motor (Fig. 1, symbol 27) by lower surface protuberance 47.Eliminate the misgivings that distribution and storage battery 39 disturb, and can easily carry out the configuration of storage battery 39.The operating efficiency of the installation exercise of electric bicycle 10 improves.
The second storage battery (Fig. 1, symbol 41) too.That is, when forming section (with the face of the length direction quadrature of storage battery 41) and observe, in the downward vehicle frame (Fig. 1 symbol, symbol 18) of rectangular shaped, contain the second storage battery.
Return to the electric bicycle 10 that Fig. 1 explanation contains storage battery 39.
In addition, rectangular shaped when vehicle frame 18 forms section observation downwards, contains second storage battery 41 different from storage battery 39.By increasing the lift-launch of storage battery, measuring, can make the 27 action longer times of electrical motor, is useful.
Utilize next accompanying drawing to explain near power unit.
As shown in Figure 4, electrical motor 27 is connected with the actuator 48 of controlling these electrical motor 27 actions.
As the actuator 48 of weight thing, be configured near center of gravity.By by weight thing centralized configuration near center of gravity, can realize concentrating of quality.
In addition, the length direction of actuator 48 is along the fore-and-aft direction configuration of vehicle body.Compare along the situation of the above-below direction configuration of vehicle body with the length direction of actuator 48, can lower the center of gravity.
In addition, the following table face shield 49 that the lower surface 30d of power unit 30 is set up towards the rear end of power unit supporting member 44 lower surface by the lower surface from transom 20 covers.
That is, the front surface 30a of power unit 30 is covered by transom 20, and upper surface 30b and rear surface 30c are covered by power unit supporting member 44, and lower surface 30d is covered by following table face shield 49.
When electric bicycle 10 is travelled, handstone sometimes flies here from road surface.Power unit 30 is covered by transom 20, power unit supporting member 44, following table face shield 49.Can make to be difficult to touch power unit 30 towards the sudden handstone of power unit 30.
As the pedal shaft 51 of the axle of pedal 28 at the horizontally extending lower vehicle frame of the lower surface from lower vehicle frame 19 lower end line 53 and between the horizontally extending lower vehicle frame of the upper surface upper end line 54 of lower vehicle frame 19, and under the horizontally extending electrical motor of the lower surface from electrical motor 27 end line 55 and arranging between end line 56 from the horizontally extending electrical motor of upper surface of electrical motor 27.
Roughly in equal height, be provided with pedal shaft 51 with lower vehicle frame 19.Thus, easily by transom 20, covered the front surface of power unit 30, can realize the densification of transom 20.
In addition, roughly in equal height, be provided with pedal shaft 51 with electrical motor 27.By electrical motor 27 and pedal shaft 51 are configured in to approaching position, can realize the densification of power unit 30.
Utilize next accompanying drawing to explain the method for the configuration of actuator 48.
When as shown in Figure 5, actuator 48 is configured to overlook observation vehicle body, its side and rear vehicle frame 25,25 are overlapping.By such configuration, when vehicle body overturning after the first ground connection of vehicle frame 25, can protect actuator 48.
Utilize next accompanying drawing explanation for further protecting the cover member of such actuator 48.
As shown in Figure 6, actuator 48 is covered by the cover member 60 arranging towards the side of actuator 48 from seat pipe 22.This cover member 60 has a plurality of peristomes 61 forwardly.
When electric bicycle 10 travels, wind enters from peristome 61, and actuator 48 is cooling.Can protect and cooling actuator 48, be useful.
In addition, cover member 60 is along the upper surface setting of the chain guard 35 extending towards trailing wheel 24 from pedal 28.By covered the side of power unit 30 by chain guard 35 and cover member 60, the aesthetic appearance of electric bicycle 10 improves.
In addition, electric bicycle of the present invention be take electrical motor perseveration till the electric bicycle of the type of drg work is illustrated as example, but also can be applicable in the electric bicycle of the type that electrical motor stops owing to can't detect treadle effort, electric bicycle is not limited to above-mentioned type.
Industrial applicibility
The present invention is applicable to the electric bicycle that drive source is electrical motor.
Claims (7)
1. an electric bicycle, it possesses: from head tube downwards and the downward vehicle frame extending to vehicle body rear; Vehicle frame extending to vehicle body rear from the lower end of this downward vehicle frame; The seat pipe that is connected with the rearward end of this lower vehicle frame by transom and extends upward; Be arranged on the seat of the upper end of this pipe; Comprise the pedal that electrical motor and confession occupant trample and the power unit that trailing wheel is driven; And storage battery from electric power to described electrical motor that supply with, described electric bicycle is characterised in that,
Described lower vehicle frame forms box shape by a frame member, and forms rectangular shaped when section is observed, and in this lower vehicle frame, accommodates described storage battery,
Described power unit is configured in the rear of described transom,
The front portion of described transom is covered by the described lower vehicle frame of rectangular shape, and the rear portion of described transom forms along the shape of the front surface of described power unit, covers the front surface of described power unit,
Lower surface at described lower vehicle frame is provided with downward outstanding lower surface protuberance, is connected to the distribution of described electrical motor by this lower surface protuberance from described storage battery,
Described power unit is the power unit supporting members supports towards the extension of vehicle body rear by the bottom from described seat pipe,
This power unit supporting member forms along the upper surface of described power unit and the shape of rear surface, covers upper surface and the rear surface of described power unit,
Described electrical motor is connected with the actuator of controlling the action of this electrical motor,
This actuator is configured to the length direction of described actuator along the fore-and-aft direction of vehicle body at the upper surface of described power unit supporting member,
Described actuator is covered by the cover member arranging towards the side of described actuator from described seat pipe,
This cover member has peristome forwardly.
2. electric bicycle according to claim 1, is characterized in that,
Described downward vehicle frame forms rectangular shaped when section is observed, and it accommodates second storage battery different from described storage battery.
3. electric bicycle according to claim 1, is characterized in that,
Bottom at described power unit is provided with support, by this bracket supports side jiffy stand.
4. electric bicycle according to claim 1, is characterized in that,
While observing vehicle body in side, the pedal shaft of described pedal is arranged on from described the horizontally extending lower vehicle frame of the lower surface of vehicle frame lower end line and from described between the line of the horizontally extending lower vehicle frame of the upper surface of vehicle frame upper end.
5. electric bicycle according to claim 1, is characterized in that,
While observing vehicle body in side, the pedal shaft of described pedal is arranged on from the horizontally extending electrical motor of lower surface of described electrical motor end line and from the horizontally extending electrical motor of upper surface of described electrical motor between end line.
6. electric bicycle according to claim 1, is characterized in that,
While observing vehicle body in side, with upper end, than lower end, the mode by the configuration of vehicle body rear tilts described seat pipe,
Described transom from described the upper surface of the lower vehicle frame connecting portion that is connected of vehicle frame extend upward, and extend in the mode that the upper end of the part of being extended upward by this surrounds described seat pipe.
7. electric bicycle according to claim 1, is characterized in that,
The lower surface of described power unit covers lid by the lower surface setting up towards described power unit supporting member from described transom.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009-200296 | 2009-08-31 | ||
| JP2009200296A JP5393352B2 (en) | 2009-08-31 | 2009-08-31 | Electric motorcycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102001409A CN102001409A (en) | 2011-04-06 |
| CN102001409B true CN102001409B (en) | 2014-05-07 |
Family
ID=43809176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010264086.0A Expired - Fee Related CN102001409B (en) | 2009-08-31 | 2010-08-25 | Electric bicycle |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5393352B2 (en) |
| CN (1) | CN102001409B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT514273A1 (en) * | 2013-04-19 | 2014-11-15 | Lohnerwerke Gmbh | Electric bicycle |
| WO2019064481A1 (en) * | 2017-09-29 | 2019-04-04 | 本田技研工業株式会社 | Saddled electric vehicle |
| KR102013822B1 (en) * | 2017-12-28 | 2019-10-21 | 주식회사 명지 | A method for mounting a motor bracket and a mortor bracket for electric bicycle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2032984U (en) * | 1988-04-01 | 1989-02-22 | 蔡品龙 | Electric driving unit for bicycle |
| CN2045707U (en) * | 1989-01-28 | 1989-10-11 | 朱靖 | Streamline simplified structure electric bicycle |
| CN1328943A (en) * | 2000-06-14 | 2002-01-02 | 本田技研工业株式会社 | Motor-driven cycle with fuel cell |
| CN101269682A (en) * | 2007-03-22 | 2008-09-24 | 雅马哈发动机株式会社 | Electric vehicle |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03243484A (en) * | 1990-02-21 | 1991-10-30 | Honda Motor Co Ltd | Motor-driven vehicle |
| JPH06305476A (en) * | 1993-04-27 | 1994-11-01 | Sanyo Electric Co Ltd | Motor-driven two-wheel skate |
| JPH10152090A (en) * | 1996-11-22 | 1998-06-09 | Suzuki Motor Corp | Driving assist force operated bicycle |
| JP2000238674A (en) * | 1999-02-23 | 2000-09-05 | Yamaha Motor Co Ltd | Battery mounting and demounting structure for electric car |
| JP2001088769A (en) * | 1999-09-21 | 2001-04-03 | Yamaha Motor Co Ltd | Electric motor assist bicycle |
| JP2001206275A (en) * | 2000-01-28 | 2001-07-31 | Matsushita Electric Ind Co Ltd | Power-assisted bicycle |
| JP3998118B2 (en) * | 2000-10-10 | 2007-10-24 | 本田技研工業株式会社 | Electric vehicle |
| JP4845533B2 (en) * | 2006-03-02 | 2011-12-28 | パナソニック株式会社 | Electric bicycle |
-
2009
- 2009-08-31 JP JP2009200296A patent/JP5393352B2/en not_active Expired - Fee Related
-
2010
- 2010-08-25 CN CN201010264086.0A patent/CN102001409B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2032984U (en) * | 1988-04-01 | 1989-02-22 | 蔡品龙 | Electric driving unit for bicycle |
| CN2045707U (en) * | 1989-01-28 | 1989-10-11 | 朱靖 | Streamline simplified structure electric bicycle |
| CN1328943A (en) * | 2000-06-14 | 2002-01-02 | 本田技研工业株式会社 | Motor-driven cycle with fuel cell |
| CN101269682A (en) * | 2007-03-22 | 2008-09-24 | 雅马哈发动机株式会社 | Electric vehicle |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2000-309292A 2000.11.07 |
| JP特开平6-305476A 1994.11.01 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2011051406A (en) | 2011-03-17 |
| JP5393352B2 (en) | 2014-01-22 |
| CN102001409A (en) | 2011-04-06 |
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