CN103866725B - Blower - Google Patents
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- CN103866725B CN103866725B CN201210543854.5A CN201210543854A CN103866725B CN 103866725 B CN103866725 B CN 103866725B CN 201210543854 A CN201210543854 A CN 201210543854A CN 103866725 B CN103866725 B CN 103866725B
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- blower
- aerofoil fan
- wind chamber
- fan
- motor
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Abstract
The invention discloses a kind of blower, including host shell and the motor being arranged at host shell, be formed with wind chamber in described host shell, described wind intracavity is axially arranged aerofoil fan；Described motor is connected by drive mechanism and drives described aerofoil fan；It is provided with disintegrating mechanism between air inlet and the described aerofoil fan in described wind chamber.Use the big aerofoil fan of air quantity, by the axially arranged aerofoil fan of wind intracavity, and make the central axis in wind chamber linearly, strengthen the effect of blowing and air draught, improve the utilization rate of wind；Meanwhile, before leaves or dust suck wind chamber, first size-reduced mechanism pulverizes so that it is volume diminishes, it is to avoid blower causes the blocking of aerofoil fan because the leaves sucked or dust volume are relatively big, improves the work efficiency of blower.
Description
Technical field
The present invention relates to hand-hold operating apparatus, particularly relate to the blower for Horticultural.
Background technology
Blower is a kind of outdoor Clean-instrument, is mainly used in cleaning and the collection of fallen leaves, is the most also claimed
For foliage pressure-vacuum machine.
Usually, the fan of blower uses the centrifugal fan that blast is higher, when blower is in air blowing
During pattern, from suction nozzle, the leaves becoming scattered about ground is blown gathering by the high velocity air of blowout；Work as blower
When being in air-breathing mode, under the high speed rotating of centrifugal fan, form inspiratory airflow by ground leaves and dirt
Bits suck and enter collection device, complete the cleaning to ground leaves.
Blower wind flow equipped with centrifugal fan is little, cleaning during can increase blower work time
Between, cause the shortening of blower working life.And blower is operationally, the leaves of suction is through wind
The blocking of fan can be caused because volume is relatively big during fan, thus affect the work of blower.
Summary of the invention
Based on this, it is necessary to provide the blower that a kind of wind flow is big, be not easily blocked.
A kind of blower, including host shell and the motor being arranged at host shell, shape in described host shell
Cheng Youfeng chamber, described wind intracavity is axially arranged aerofoil fan；Described motor is connected by drive mechanism and drives
Dynamic described aerofoil fan；It is provided with disintegrating mechanism between air inlet and the described aerofoil fan in described wind chamber.
Wherein in an embodiment, described aerofoil fan is tandem type multi-stage aerofoil fan.
Wherein in an embodiment, described tandem type multi-stage aerofoil fan includes near described wind chamber air inlet
The primary aerofoil fan of one end, and the ultimate aerofoil fan near one end, gas outlet, described wind chamber, described axle
Flow fan is gradually increased from the flabellum diameter of primary aerofoil fan to level aerofoil fan at end.
Wherein in an embodiment, the internal diameter in described wind chamber and the Axial-flow Fan being installed on correspondence position
Diameter matches, and described wind intracavity footpath is provided with smooth curve transition in place of changing.
Wherein in an embodiment, between described aerofoil fan and described motor, it is provided with gear, described
Gear is connected with described aerofoil fan and described motor respectively.
Wherein in an embodiment, the axis of described aerofoil fan is angle arrangement with the axis of described motor.
Wherein in an embodiment, the axis of described aerofoil fan is 90 ° of arrangements with the axis of described motor.
Wherein in an embodiment, being provided with cooling fan in described body shell, described cooling fan is the most right
Described motor, and be connected with described motor by armature shaft.
Wherein in an embodiment, also include pressure-vaccum pipe, described pressure-vaccum pipe removably with described body shell
Body connects and connects described wind chamber.
Wherein in an embodiment, the air inlet in described wind chamber is identical with gas outlet cross sectional shape, described in blow
Suction pipe is removably attachable to described air inlet or gas outlet；When blower is in air blowing state, described in blow
Suction pipe is connected with described wind chamber by described gas outlet；When blower is in suction condition, described pressure-vaccum pipe
Connected with described wind chamber by described air inlet.
Host shell described in an embodiment is provided with protective cover at the air inlet in wind chamber wherein, described anti-
Guard shield covers separably in described air inlet.
Wherein in an embodiment, described body shell is provided with master switch, and described wind chamber is provided with and institute
State master switch connect and control the microswitch that master switch conducts.
Above-mentioned blower, under the state of blowing, is arranged on the motor rotation of host shell, and is driven through transmission
The aerofoil fan high speed rotating that mechanism is connected, forms high velocity air at wind intracavity, by the leaves on ground
Or dust gathers；When blower is in the state of suction, the negative pressure of the generation that run up by aerofoil fan, thus
Ground leaves or dust are sucked wind intracavity, completes the cleaning to ground；Use the axial flow wind that air quantity is big
Fan, by the axially arranged aerofoil fan of wind intracavity, strengthening the effect of blowing and air draught, improve wind
Utilization rate；Meanwhile, before leaves or dust enter wind chamber, it is arranged on the disintegrating mechanism of wind chamber air inlet first by it
Pulverize so that it is volume diminishes, it is to avoid blower causes axial flow wind because the leaves sucked or dust volume are relatively big
The blocking of fan, and then improve the work efficiency of blower.
Accompanying drawing explanation
Fig. 1 is the blower of an embodiment of the present invention front view under the state of blowing；
Fig. 2 is the blower of an embodiment of the present invention front view under suction state；
Fig. 3 is the partial enlarged drawing that the present invention blows machine machine disintegrating mechanism；
Reference: 10 body shell, 20 wind chambeies, 30 aerofoil fans, 40 motors, 50 pressure-vaccum pipes, 60
Operation handle, 70 cloth bags, 102 change speed gear boxes, 104 cooling fans, 106 armature shafts, 108 disintegrating mechanisms,
110 first microswitch, 114 second microswitch, 116 first rotary shafts, 202 wind chamber air inlets, 204
Gas outlet, wind chamber, 206 protective covers, 208 compress projection, 302 primary aerofoil fans, 304 whole grades of axial flow wind
Fan, 602 master switchs, 702 cloth bag interfaces.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further elaborated.
As shown in Figure 1-Figure 3, in one embodiment, a kind of blower, including host shell 10 and setting
Wind chamber 20 it is formed with, in described wind chamber 20 in the motor 40 of host shell 10, described host shell 10
Axially arranged have aerofoil fan 30；Described motor 40 is connected by drive mechanism and drives described aerofoil fan
30；It is provided with disintegrating mechanism 108 between air inlet 202 and the described aerofoil fan 30 in described wind chamber.
Above-mentioned blower, under the state of blowing, the motor 40 being arranged on host shell 10 operates, and drives logical
Cross drive mechanism connected aerofoil fan 30 high speed rotating, in wind chamber 20, form high velocity air,
Leaves or the dust on ground are gathered；When blower is in the state of suction, run up product by aerofoil fan 30
Raw negative pressure, ground leaves or dust size-reduced mechanism 108 suck in wind chamber 20 after pulverizing, and it is right to complete
The cleaning on ground.This blower uses the aerofoil fan that air quantity is big, by axial flow axially arranged in wind chamber 20
Fan 30, improves the utilization rate of wind.Meanwhile, before leaves or dust enter wind chamber 20, it is arranged on wind chamber and enters
The disintegrating mechanism 108 of QI KOU 202 is first pulverized so that it is volume diminishes, it is to avoid blower is because of the tree sucked
Leaf or dust volume are relatively big and cause the blocking of aerofoil fan 30, and then improve the work efficiency of blower.
In the present embodiment, the central axis in described wind chamber 20 linearly, strengthens the effect of blowing and air draught.
As it is shown on figure 3, in the present embodiment, disintegrating mechanism 108 is line of cut；Certainly, disintegrating mechanism 108
Can also be blade or other kinds of disintegrating mechanism.
In the present embodiment, aerofoil fan 30 is tandem type multi-stage aerofoil fan, enters including near described wind chamber
The primary aerofoil fan 302 of QI KOU 202 one end, and the whole level axle near one end, gas outlet 204, described wind chamber
Flow fan 304.The flow direction of wind is parallel with the direction of axle, and fan is aerofoil fan, by multiple aerofoil fans
It is composed in series multistage axial flow fan, is possible not only to increase the wind flow of blower, it is also possible to increase blower
Blast.
In the present embodiment, the flabellum diameter of described primary aerofoil fan 302 to whole level aerofoil fan 304 is gradually
Increase so that the air stream that primary aerofoil fan 302 produces is during flowing into ultimate aerofoil fan 304
Energy loss is little, and blast supercharging is big.It should be appreciated that primary aerofoil fan 302 is to whole level aerofoil fan
It is to increase blast that the flabellum diameter of 304 is gradually increased, even if not being gradually increased, does not the most affect axle
Flow fan 30 rotates and forms the purpose of air-flow, so primary aerofoil fan 302 is to whole level aerofoil fan 304
Flabellum diameter be gradually increased it is not necessary to.Certainly, the number of the aerofoil fan of series connection can be according to making
With environment with become original decision, can be two and more than.
In the present embodiment, the internal diameter in described wind chamber 20 and aerofoil fan 30 flabellum being installed on correspondence position
Diameter matches, and described wind chamber 20 internal diameter is provided with smooth curve transition in place of changing.Wind chamber 20 exists
Play is the effect of air duct herein, and it can flow along certain direction with the wind of leading axle flow fan 30 blowout,
Keep watch the region delivering to specify, the internal diameter in wind chamber 20 is designed to aerofoil fan 30 flabellum with correspondence position
Diameter matches, and the internal diameter that can avoid wind chamber 20 is excessive, reduces the utilization rate of wind.Described wind chamber 20
Internal diameter is provided with smooth curve transition in place of changing, the wind of now aerofoil fan 30 blowout can be along wind
The output of the interior walls be smooth in chamber 20, the pipe being subject to resistance is little, reduces wind tube wall loss in output procedure.
Be provided with gear between described aerofoil fan 30 and described motor 40, described gear respectively with
Described aerofoil fan 30 and described motor 40 connect.In the present embodiment, described gear is change speed gear box
102, described change speed gear box 102 is connected with the outfan of described motor 40, and described aerofoil fan 30 can pass through
Wire connects the mode of multiple gear in parallel and is connected with described change speed gear box 102, when the power is turned on, and motor 40
Operating, now change speed gear box 102 also begins to work, and change speed gear box 102 comes by the way of multiple gears are in parallel
Regulation and the wind speed of control aerofoil fan 30, select different wind speed according to the difficulty or ease cleaned, save and clean into
This.
The axis of described aerofoil fan 30 is angle arrangement with the axis of described motor 40.Motor 40 is arranged on
Outside described wind chamber 20, and the axis of axis and described aerofoil fan 30 is angle arrangement, also i other words,
Described motor 40 is also not arranged in air current flow direction, then reduce the dust that blower operationally sucks and exist
When wind chamber 20, fall into the probability of motor 40, improve the service life of motor 40.In the present embodiment,
Described motor 40 is arranged at outside described wind chamber 20, it is to avoid the dust of suction falls motor 40.Implement at other
In mode, motor 40 can also be arranged in described wind chamber 20.
In an embodiment as shown in Figure 1, the axis of described aerofoil fan 30 and the axle of described motor 40
Line is 90 ° of arrangements.So setting both can make motor 40 away from the air port of aerofoil fan 30, it is to avoid pressure-vaccum
The dust that machine operationally sucks falls into motor 40 when through wind chamber 20, it is ensured that motor 40 working environment
Cleaning；It is easy to again arrange drive mechanism, after the output of motor 40 being turned, is transferred to aerofoil fan 30,
As the present embodiment can use bevel gear set as drive mechanism.
In one embodiment, cooling fan 104, described cooling wind can be provided with in described body shell 10
Fan 104 is just to described motor 40, and is connected with described motor 40 by armature shaft 106.When motor 40 leaves
When beginning to operate, being driven the operating of cooling fan 104 by armature shaft 106, cooling fan 104 can be by electricity
The heat that machine 40 operationally produces is evacuated away in time, plays the effect reducing motor 40 operating temperature.
Described cooling fan 104 both can also select centrifugal fan with chosen axis flow fan, as shown in Figure 1
In embodiment, what cooling fan 104 was selected be that air quantity is little but centrifugal fan that blast is big.Certainly, here
Cooling fan 104 can not also be connected with motor 40, can be separately provided drive mechanism and control to cool down fan
The work of 104.
In the present embodiment, described blower also includes pressure-vaccum pipe 50, and described pressure-vaccum pipe 50 is removably with described
Body shell 10 connects and connects described wind chamber 20.In one embodiment, described wind chamber air inlet 202 with
Gas outlet 204 cross sectional shape is identical, and described pressure-vaccum pipe 50 is removably attachable to described air inlet 202 or goes out
QI KOU 204；When blower is in air blowing state, described pressure-vaccum pipe 50 is by gas outlet, described wind chamber 204
Connect with described wind chamber 20；When blower is in suction condition, described pressure-vaccum pipe 50 is by described wind chamber
Air inlet 202 connects with described wind chamber 20.Pressure-vaccum pipe 50 shares and is removably connected with host shell 10,
Can not only be cost-effective, and the weight of blower can also be alleviated, increase portability.
In one embodiment, protection can be provided with at described host shell 10 at wind chamber air inlet 202
Cover 206, described protective cover 206 covers separably in described wind chamber air inlet 202.When blower is for blowing shape
During state, described protective cover 206 can be covered in described wind chamber air inlet 202, so can avoid other object
Enter wind chamber 20 through air inlet 202, improve processing safety.And when blower is suction state, permissible
Take away covering the protective cover 206 in described wind chamber air inlet 202 from air inlet 202, in order to leaves
Absorption Deng thing.Specific in the present embodiment, described protective cover 206 can be connected pivotly by a pivot
It is connected to described wind chamber air inlet 202.
In one embodiment, for the convenience operated, manipulator can be set on described host shell 10
Handle 60, arranges master switch 602 on described operation handle 60, and described wind chamber 20 is provided with opens with described master
Close 602 connect and control the microswitch that master switch 602 conducts.Specific in the present embodiment, described micro-
Dynamic switch includes the first microswitch 110 and the second microswitch 114, and described first microswitch 110 is arranged
At described wind chamber air inlet 202, described second microswitch 114 is arranged at gas outlet, described wind chamber 204
Place.Described first microswitch 110 and described second microswitch 114 are all connected with described master switch 10.
Described microswitch can use the microswitch of pressing type, corresponding first fine motion of described host shell 10 to open
It is provided with and described first microswitch 110 and described second microswitch at pass 110 and the second microswitch 114
The draw-in groove that the controlling position of 114 matches.And it is being connectable to described air inlet 202 and/or gas outlet 204
The position male of the corresponding described draw-in groove of connection member be provided with and compress projection, when connection member is connected to air inlet 202
And/or during gas outlet 204, described in compress projection insert described draw-in groove, compress and start described microswitch,
Making master switch 602 circuit turn-on, master switch 602 can carry out switch motion.If air inlet should be connected to
202 and/or the connection member of gas outlet 204 when being not connected with, then microswitch is closed, now master switch 602
Do not conduct, even if pressing master switch 602 also will not start motor 40, thus be avoided that maloperation, raising make
Use safety.
Described connection member, is i.e. that to include that above-mentioned pressure-vaccum pipe 50, protective cover 206 etc. are connectable to described
Air inlet 202 and/or the connection member of gas outlet 204.
Specifically, refer to Fig. 1 and Fig. 2, when blower is in blowing mould formula, be convexly equipped in described protective cover
Compress projection 208 described in 206 and insert the draw-in groove of described first microswitch 110 correspondence, and it is micro-to compress first
Dynamic switch 110, now described wind chamber air inlet 202 closed by protective cover 206；Meanwhile, described pressure-vaccum pipe 50
It is connected with gas outlet, described wind chamber 204, is convexly equipped in described in described pressure-vaccum pipe 50 and compresses projection and compress described
Two microswitch 114, the now circuit turn-on of master switch 602, master switch 602 can control blower and carry out
Blow work.
Referring to Fig. 2 again, when blower is in suction mode, the projection 208 that compresses of described protective cover 206 takes off
From corresponding draw-in groove, and described protective cover 206 rotates a certain angle around the first rotary shaft 116,
Described wind chamber air inlet 202 is opened, and now, described pressure-vaccum pipe 50 is by wind chamber air inlet 202 and described wind
Chamber 20 connects, and the projection that compresses of the most described pressure-vaccum pipe 50 presses the first microswitch 110.In the present embodiment,
Gas outlet 204, described wind chamber connects cloth bag 70, and described cloth bag 70 is by cloth bag interface 702 and described wind chamber
20 are connected, and described cloth bag interface 702 is also a kind of connection member, and described cloth bag interface 702 is also arranged
Projection is compressed described in having, when cloth bag interface 702 is connected with described wind chamber 20, described cloth bag interface 702
Compressing projection and compress the second microswitch 114, the circuit turn-on of master switch 602, now master switch 602 just may be used
To control the suction work of blower.When blower is in suction condition, the dust of suction or leaves are through wind chamber
20 fall in cloth bag 70, it is simple to the collection of rubbish and cleaning.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for this area
Those of ordinary skill for, without departing from the inventive concept of the premise, it is also possible to make some deformation and
Improving, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended
Claim is as the criterion.
Claims (12)
1. a blower, including host shell and the motor being arranged at host shell, it is characterised in that institute
Being formed with wind chamber in stating host shell, described wind intracavity is axially arranged aerofoil fan；Described motor is by passing
Motivation structure connects and drives described aerofoil fan；It is provided with between air inlet and the described aerofoil fan in described wind chamber
Disintegrating mechanism, to pulverize leaves or the dust entering described wind intracavity from described air inlet；
Wherein, when described blower is in suction state, described leaves or dust are first through described disintegrating mechanism powder
Described wind chamber is sucked after broken.
Blower the most according to claim 1, it is characterised in that described aerofoil fan is that tandem is many
Level aerofoil fan.
Blower the most according to claim 2, it is characterised in that described tandem type multi-stage aerofoil fan
Including the primary aerofoil fan near air inlet one end, wind chamber, and the whole level axle near one end, gas outlet, wind chamber
Flow fan, described aerofoil fan is gradually increased from the flabellum diameter of primary aerofoil fan to level aerofoil fan at end.
Blower the most according to claim 3, it is characterised in that the internal diameter in described wind chamber be installed on
The Axial-flow Fan diameter of correspondence position matches, and wind intracavity footpath is provided with smooth curve in place of changing
Transition.
Blower the most according to claim 1, it is characterised in that described aerofoil fan and described motor
Between be provided with gear, described gear is connected with described aerofoil fan and described motor respectively.
Blower the most according to claim 1, it is characterised in that the axis of described aerofoil fan and institute
The axis stating motor is angle arrangement.
Blower the most according to claim 6, it is characterised in that the axis of described aerofoil fan and institute
The axis stating motor is 90 ° of arrangements.
Blower the most according to claim 1, it is characterised in that be provided with cooling in described host shell
Fan, described cooling fan is just to described motor, and is connected with described motor by armature shaft.
Blower the most according to claim 1, it is characterised in that also include pressure-vaccum pipe, described pressure-vaccum
Pipe is removably connected with described host shell and connects described wind chamber.
Blower the most according to claim 9, it is characterised in that the air inlet in described wind chamber with go out
QI KOU cross sectional shape is identical, and described pressure-vaccum pipe is removably attachable to described air inlet or gas outlet；Work as pressure-vaccum
When machine is in air blowing state, described pressure-vaccum pipe is connected with described wind chamber by described gas outlet；At blower
When suction condition, described pressure-vaccum pipe is connected with described wind chamber by described air inlet.
11. blowers according to claim 1, it is characterised in that described host shell enters wind chamber
Being provided with protective cover at QI KOU, described protective cover covers separably in described air inlet.
12. blowers according to claim 11, it is characterised in that described host shell is provided with master
Switch, described wind chamber is provided with connects with described master switch and controls the microswitch that master switch conducts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210543854.5A CN103866725B (en) | 2012-12-14 | 2012-12-14 | Blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210543854.5A CN103866725B (en) | 2012-12-14 | 2012-12-14 | Blower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103866725A CN103866725A (en) | 2014-06-18 |
| CN103866725B true CN103866725B (en) | 2016-12-21 |
Family
ID=50905706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210543854.5A Active CN103866725B (en) | 2012-12-14 | 2012-12-14 | Blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103866725B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3492750A1 (en) * | 2017-11-30 | 2019-06-05 | TTI (Macao Commercial Offshore) Limited | Blower/mulcher |
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| CN104261691B (en) * | 2014-09-22 | 2017-08-18 | 厦门通士达照明有限公司 | Bright pipe coating device |
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| CN105648956B (en) * | 2014-11-11 | 2017-06-16 | 苏州宝时得电动工具有限公司 | Blower |
| WO2016082799A1 (en) * | 2014-11-28 | 2016-06-02 | 苏州宝时得电动工具有限公司 | Blower/vacuum apparatus and method for assembling blower/vacuum apparatus |
| US10227988B2 (en) | 2014-11-28 | 2019-03-12 | Positec Power Tools (Suzhou) Co., Ltd. | Blower and a blowing vacuum device |
| CN105648958B (en) * | 2014-11-28 | 2019-03-05 | 苏州宝时得电动工具有限公司 | Suction and blowing device |
| AU2015101868A4 (en) * | 2014-11-28 | 2016-08-04 | Positec Power Tools (Suzhou) Co., Ltd | Air blower and blower/vacuum apparatus |
| CN105986554A (en) * | 2014-11-28 | 2016-10-05 | 苏州宝时得电动工具有限公司 | Air blower |
| WO2016082759A1 (en) * | 2014-11-28 | 2016-06-02 | 苏州宝时得电动工具有限公司 | Blower/vacuum apparatus |
| AU2016200049B2 (en) * | 2015-01-06 | 2020-01-02 | Techtronic Industries Co., Ltd. | Axial blower vacuum |
| CN206070461U (en) * | 2015-04-10 | 2017-04-05 | 苏州宝时得电动工具有限公司 | Suction and blowing device |
| WO2017045569A1 (en) * | 2015-09-18 | 2017-03-23 | 苏州宝时得电动工具有限公司 | Leaf clearing device |
| CN106812099A (en) * | 2015-12-02 | 2017-06-09 | 苏州宝时得电动工具有限公司 | Blower |
| CN106854860A (en) * | 2015-12-08 | 2017-06-16 | 苏州宝时得电动工具有限公司 | Blower |
| CN107587464A (en) * | 2016-07-08 | 2018-01-16 | 苏州宝时得电动工具有限公司 | Blower |
| CN108797480A (en) * | 2017-04-26 | 2018-11-13 | 苏州宝时得电动工具有限公司 | A kind of hair-dryer |
| CN107724308A (en) * | 2016-08-10 | 2018-02-23 | 苏州宝时得电动工具有限公司 | Hair-dryer |
| CN107513970A (en) * | 2017-09-20 | 2017-12-26 | 天佑电器（苏州）有限公司 | A kind of blowning installation |
| CN110205965A (en) * | 2019-07-12 | 2019-09-06 | 张兴海 | Environmental sanitation cleaning equipment and its control method |
| CN113057518A (en) * | 2021-03-19 | 2021-07-02 | 台山市捷达电器有限公司 | Vacuum cleaner with double turbine fans |
| CN117722122A (en) * | 2023-10-23 | 2024-03-19 | 宁夏大学新华学院 | Broken area crack rock mass grouting equipment that takes of geotechnical engineering fault |
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| US5841943A (en) * | 1997-04-25 | 1998-11-24 | Soundesign, Llc | Ducted flow hair dryer with multiple impellers |
| CN2910093Y (en) * | 2006-04-30 | 2007-06-13 | 常州市健力电气有限公司 | Blowing duster |
| US7896612B2 (en) * | 2006-08-10 | 2011-03-01 | Andreas Stihl Ag & Co. Kg | Blower unit and portable blower |
| CN201040836Y (en) * | 2007-04-26 | 2008-03-26 | 苏州利维科电器有限公司 | Vacuum blowing and sucking device |
| CN201447685U (en) * | 2009-07-10 | 2010-05-05 | 陈寅 | Garden tool and blade wheel for garden tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3492750A1 (en) * | 2017-11-30 | 2019-06-05 | TTI (Macao Commercial Offshore) Limited | Blower/mulcher |
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| Publication number | Publication date |
|---|---|
| CN103866725A (en) | 2014-06-18 |
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