CN110259711A - A kind of bilobed wheel low-noise fan - Google Patents

A kind of bilobed wheel low-noise fan Download PDF

Info

Publication number
CN110259711A
CN110259711A CN201910586287.3A CN201910586287A CN110259711A CN 110259711 A CN110259711 A CN 110259711A CN 201910586287 A CN201910586287 A CN 201910586287A CN 110259711 A CN110259711 A CN 110259711A
Authority
CN
China
Prior art keywords
shell
central axis
hole
bilobed wheel
wheel low
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.)
Pending
Application number
CN201910586287.3A
Other languages
Chinese (zh)
Inventor
肖志林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201910586287.3A priority Critical patent/CN110259711A/en
Publication of CN110259711A publication Critical patent/CN110259711A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • F04D25/163—Combinations of two or more pumps ; Producing two or more separate gas flows driven by a common gearing arrangement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
    • F04D29/282—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/30—Vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/662—Balancing of rotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/663—Sound attenuation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The present invention relates to blower field, espespecially a kind of bilobed wheel low-noise fan.Bilobed wheel low-noise fan of the present invention changes the structure of the inclined side center balance of conventional impellers, the structure balanced using eccentric axial, so that total is more stable, blower can only generate pico- vibration when starting or stoping, high noisy sound will not be generated, blower fan structure of the present invention can be applied to air-cooler, air-heater or air blower, be widely used.Wherein, it is equipped with first through hole on the extension board of the axle sleeve of central axis two sides, and is communicated with the second through-hole of surface of shell, when being applied to air-heater, there is air-cooled effect, protects bearing, while also there is energy-conserving action, guarantees the service life of blower.

Description

A kind of bilobed wheel low-noise fan
Technical field
The present invention relates to blower field, espespecially a kind of bilobed wheel low-noise fan.
Background technique
Blower is to improve gas pressure by the mechanical energy of input and supply gas side by side the machinery of body, it is a kind of driven stream Body is mechanical.Blower generally comprises Blower Housing, motor and impeller, and blower rear end is equipped with motor, and impeller is arranged in Blower Housing, And it is connected with the output shaft of motor, when running, the output shaft impeller rotation of motor, to reach the mesh of dispatch gas 's.Currently, existing blower generally only has an impeller, and impeller axle center is inclined side center balance, is being started and stopped Biggish vibration can be generated when blower, while the biggish noisy sound of height can also occur, and also will affect service life.
Summary of the invention
To solve the above problems, the present invention provides a kind of bilobed wheel low-noise fan, guarantee service life of fan.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of bilobed wheel low-noise fan, including shell, Motor, central axis and the identical impeller of two structures, are equipped with air inlet on the right side of the shell, and left side is equipped with air outlet, it is described in Mandrel is rotatably immobilized in the shell, and runs through the center of shell front and back end, described central axis one end and motor Output shaft is drivingly connected, and the impeller includes the arc connection sheet of several vertical direction, the arc connection sheet concave end weldering It is connected to the arc shaped blade of horizontal direction, described two impellers are symmetrically socketed on center shaft, and are disposed in an evenly spaced relation in shell In vivo, the both ends that the central axis is located at shell are also socketed with axle sleeve, and bearing, the axis are equipped between the axle sleeve and central axis It covers and is additionally provided with extension board close to the side of shell end, the extension plate surface is equipped with first through hole, the shell rear and front end Equipped with the second through-hole corresponding with extension board.
Further, the shell includes upper cover and lower casing, and the upper cover and lower casing side are hinged, and the other side passes through screw It is fixed, it is sealing state at the upper cover and lower cover conjunction, the air inlet and air outlet are respectively positioned at left and right sides of lower casing, and Air inlet and air outlet are located along the same line, and the axle sleeve is fixed with lower casing, and second through-hole is located at upper cover front and rear sides.
It wherein, include several arc spacing boards in the shell, the spacing board, which respectively corresponds, to be arranged in upper cover and lower casing Inside, the impeller are located at different interval plate and are formed by cavity.
It further, further include pedestal, the motor and shell are each attached to pedestal upper end, and the pedestal upper end is additionally provided with It is used to support center shaft support, the bracket is located at shell front and rear sides, and the pedestal upper end is equipped with bearing, the center Axis extends through the bearing on bracket.
Wherein, the radian of the arc shaped blade matches with enclosure interior radian, the arc shaped blade radian direction air inlet Mouthful.
Wherein, the extension board is bonded with enclosure internal surface respectively, and first through hole is corresponding with the second lead to the hole site.
The beneficial effects of the present invention are: bilobed wheel low-noise fan of the present invention changes the inclined side center balance of conventional impellers Structure, the structure balanced using eccentric axial, so that total is more stable, blower can only generate micro- when starting or stoping Micro- vibration will not generate high noisy sound, and blower fan structure of the present invention can be applied to air-cooler, air-heater or air blower, apply Extensively.Wherein, first through hole, and the second through-hole phase with surface of shell are equipped on the extension board of the axle sleeve of central axis two sides It is logical, when being applied to air-heater, there is air-cooled effect, protect bearing, while also there is energy-conserving action, guarantee blower uses the longevity Life.
Detailed description of the invention
Fig. 1 is the front view of inventive shell lid conjunction state.
Fig. 2 is the rearview of inventive shell opening state.
Fig. 3 is the integrally-built side view of the present invention.
Fig. 4 is the top view of lower casing internal structure of the present invention.
Fig. 5 is the front view of impeller of the present invention.
Fig. 6 is the side view of impeller of the present invention.
Fig. 7 is the side view of partition of the present invention.
Drawing reference numeral explanation: 1. shells；11. upper cover；111. the second through-hole；12. lower casing；121. air inlet；122. outlet air Mouthful；13. spacing board；14. cavity；2. motor；3. central axis；31. axle sleeve；311. extension board；312. first through hole；4. leaf Wheel；41. connection sheet；42. arc shaped blade；5. pedestal；51. bracket.
Specific embodiment
Below by specific embodiment combination attached drawing, invention is further described in detail.The application can be with a variety of Different forms is realized, however it is not limited to embodiment described in the present embodiment.The purpose of following specific embodiments is provided It is easy for becoming apparent from present disclosure thorough explanation, wherein the words of the indicating positions such as front, rear, left and right is only needle To shown structure in respective figure for position.
It please refers to shown in Fig. 1-7, the present embodiment is about a kind of bilobed wheel low-noise fan, including shell 1, motor 2, center Axis 3 and the identical impeller 4 of two structures, are equipped with air inlet 121 on the right side of the shell 1, and left side is equipped with air outlet 122, it is described in Mandrel 3 is rotatably fixed in shell 1, and runs through the center of 1 front and back end of shell, described 3 one end of central axis and electricity The output shaft of machine 2 is drivingly connected, and the impeller 4 includes the arc connection sheet 41 of several vertical direction, the arc connection sheet 41 Concave end is welded with the arc shaped blade 42 of horizontal direction, and described two impellers 4 are symmetrically socketed on central axis 3, and Even to be arranged at intervals in shell 1, the both ends that the central axis 3 is located at shell 1 are also socketed with axle sleeve 31, the axle sleeve 31 and center Bearing is equipped between axis 3, the axle sleeve 31 is additionally provided with extension board 311,311 table of extension board close to the side of 1 end of shell Face is equipped with first through hole 312, and 1 rear and front end of shell is equipped with second through-hole 111 corresponding with extension board 311.
Compared with prior art, bilobed wheel low-noise fan of the present invention changes the structure of the inclined side center balance of conventional impellers, The structure balanced using eccentric axial, so that total is more stable, blower can only generate pico- when starting or stoping Vibration, will not generate high noisy sound, and blower fan structure of the present invention can be applied to air-cooler, air-heater or air blower, be widely used. Wherein, first through hole 312, and second with 1 surface of shell are equipped on the extension board 311 of the axle sleeve 31 of 3 two sides of central axis Through-hole 111 communicates, and when being applied to air-heater, has air-cooled effect, protects bearing, while also the energy conservation with 50% or more is made With guaranteeing the service life of blower.
In the present embodiment, the shell 1 includes upper cover 11 and lower casing 12, and the upper cover 11 and 12 side of lower casing are hinged, The other side is screwed, and is sealing state, the air inlet 121 and air outlet at the upper cover 11 and 12 lid conjunction of lower casing 122 are respectively positioned on 12 left and right sides of lower casing, and air inlet 121 and air outlet 122 are located along the same line, and working efficiency is higher； The axle sleeve 31 is screwed with lower casing 12, and second through-hole 111 is located at 11 front and rear sides of upper cover.
It please refers to shown in Fig. 4, includes four arc spacing boards 13 in the present embodiment shell 1, the spacing board 13 is right respectively It should be arranged in inside upper cover 11 and lower casing 12, form five cavitys 14 between spacing board 13, the impeller 4 is located at the second He In 4th cavity 14.Central axis 3 is located at 1 center of shell, and two 4 coaxial-symmetrical of impeller settings, so that two leaves Eccentric axial balances when 4 rotation of wheel, can smooth starting and it is steady stop, noise is small, while also reducing loss, and there is energy conservation to make With.
It in the present embodiment, further include pedestal 5, the motor 2 and shell 1 are each attached to 5 upper end of pedestal, the pedestal 5 Upper end is additionally provided with the bracket 51 for being used to support central axis 3, and the bracket 51 is located at 1 front and rear sides of shell, 51 upper end of bracket Bearing is installed, the central axis 3 extends through the bearing on bracket 51, can preferably support central axis 3, guarantees central axis 3 smooth rotation.
Wherein, the radian of the present embodiment arc shaped blade 42 and 1 interior curvature of shell match, and this is not restricted, Wherein 42 radian of arc shaped blade is towards air inlet 121.
Wherein, the extension board 311 is bonded with 1 interior surface of shell respectively, first through hole 312 and the second through-hole 111 It sets corresponding.It, can be by 312 inspiration nature cold wind of the second through-hole 111 and first through hole, to axle sleeve when being applied to air-heater Bearing in 31 has air-cooled effect, protects bearing, guarantees its service life.
It should be further noted that the impeller 4 in the present embodiment can be equipped with 4-10 piece arc shaped blade 42, do not make herein Limitation；Unless otherwise clearly defined and limited, the terms such as term " fixation " " connection " " installation " shall be understood in a broad sense, for this For the those of ordinary skill in field, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
Embodiment of above be only preferred embodiments of the present invention will be described, not to the scope of the present invention into Row limits, and without departing from the spirit of the design of the present invention, this field ordinary engineering and technical personnel is to technical side of the invention The various changes and improvements that case is made, should fall within the scope of protection determined by the claims of the present invention.

Claims (6)

1. a kind of bilobed wheel low-noise fan, it is characterised in that: including shell, motor, central axis and the identical leaf of two structures Wheel, the shell right side are equipped with air inlet, and left side is equipped with air outlet, and the central axis is rotatably immobilized in the shell, and Through the center of shell front and back end, the output shaft of described central axis one end and motor is drivingly connected, if the impeller includes The arc connection sheet of dry vertical direction, the arc connection sheet concave end are welded with the arc shaped blade of horizontal direction, and described two A impeller is symmetrically socketed on center shaft, and is disposed in an evenly spaced relation in shell, and the central axis is located at the both ends of shell It is also socketed with axle sleeve, bearing is equipped between the axle sleeve and central axis, the axle sleeve is additionally provided with close to the side of shell end to be prolonged Plate is stretched, the extension plate surface is equipped with first through hole, and the shell rear and front end is equipped with the second through-hole corresponding with extension board.
2. a kind of bilobed wheel low-noise fan according to claim 1, it is characterised in that: the shell includes upper cover under Shell, the upper cover and lower casing side are hinged, and the other side is screwed, and are sealing state at the upper cover and lower cover conjunction, The air inlet and air outlet are respectively positioned at left and right sides of lower casing, and air inlet and air outlet are located along the same line, the axis Set is fixed with lower casing, and second through-hole is located at upper cover front and rear sides.
3. a kind of bilobed wheel low-noise fan according to claim 2, it is characterised in that: include several arcs in the shell Shape spacing board, the spacing board, which respectively corresponds, to be arranged inside upper cover and lower casing, and the impeller is located at different interval plate institute In the cavity of formation.
4. a kind of bilobed wheel low-noise fan according to claim 1, it is characterised in that: it further include pedestal, the motor It is each attached to pedestal upper end with shell, the pedestal upper end, which is additionally provided with, is used to support center shaft support, and the bracket is located at shell Body front and rear sides, the pedestal upper end are equipped with bearing, and the central axis extends through the bearing on bracket.
5. a kind of bilobed wheel low-noise fan according to claim 1, it is characterised in that: the radian of the arc shaped blade with Enclosure interior radian matches, and the arc shaped blade radian is towards air inlet.
6. a kind of bilobed wheel low-noise fan according to claim 1, it is characterised in that: the extension board respectively with shell Interior surface fitting, first through hole are corresponding with the second lead to the hole site.
CN201910586287.3A 2019-07-01 2019-07-01 A kind of bilobed wheel low-noise fan Pending CN110259711A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910586287.3A CN110259711A (en) 2019-07-01 2019-07-01 A kind of bilobed wheel low-noise fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910586287.3A CN110259711A (en) 2019-07-01 2019-07-01 A kind of bilobed wheel low-noise fan

Publications (1)

Publication Number Publication Date
CN110259711A true CN110259711A (en) 2019-09-20

Family

ID=67923671

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910586287.3A Pending CN110259711A (en) 2019-07-01 2019-07-01 A kind of bilobed wheel low-noise fan

Country Status (1)

Country Link
CN (1) CN110259711A (en)

Citations (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10274187A (en) * 1997-03-31 1998-10-13 Nisshinbo Ind Inc Cross flow fan
CN2577017Y (en) * 2002-11-07 2003-10-01 东莞东坑小塘特翊电机厂 Blowing machine
CN1525075A (en) * 2003-09-15 2004-09-01 海尔集团公司 Blower fan with single electric machine and bilobed wheel
CN2648123Y (en) * 2003-09-15 2004-10-13 海尔集团公司 Single-electric machine double-vane fan
CN101566165A (en) * 2009-05-15 2009-10-28 林钧浩 Synchronous after flow ventilating compressor
CN101709719A (en) * 2009-11-17 2010-05-19 张玉 Impeller and draught fan thereof, and waste separation crusher with same
CN102261341A (en) * 2011-08-04 2011-11-30 张家港施亿百机电设备有限公司 Minitype dual-air-out centrifugal fan
CN102996508A (en) * 2012-12-27 2013-03-27 常州格力博有限公司 Fan blade for blowing-absorbing machine
CN202851395U (en) * 2011-09-08 2013-04-03 陕西嘉惠风机机电成套制造有限公司 Mass-flow, low-noise, three-dimensional flow axial double-suction centrifugal type blower
CN103047157A (en) * 2012-12-18 2013-04-17 平安电气股份有限公司 Motor side external speed regulating type axial flow fan
CN203023086U (en) * 2013-01-24 2013-06-26 佛山市顺德区华威风机制造有限公司 Single-motor double-impeller fan
CN203453095U (en) * 2013-09-09 2014-02-26 株洲联诚集团有限责任公司 Double-impeller energy-saving cooling ventilator for urban rail auxiliary power cabinet
CN203627266U (en) * 2013-10-28 2014-06-04 长城汽车股份有限公司 Double-impeller blower, automobile air conditioner with double-impeller blower and automobile
CN203962502U (en) * 2014-05-28 2014-11-26 上虞市当代风机风冷设备有限公司 Exhaust outlet be provided with Sealing can damping blower fan
CN104454609A (en) * 2014-11-17 2015-03-25 华唯金属矿产资源高效循环利用国家工程研究中心有限公司 Mine ventilation system capable of preventing air current from being inverted and circulated and use method
JP2015081596A (en) * 2013-10-24 2015-04-27 三菱電機株式会社 Air blowing device
CN204493229U (en) * 2015-01-22 2015-07-22 南通市宏大风机有限公司 A kind of double suction dual-supporting centrifugal blower
CN205478410U (en) * 2016-01-20 2016-08-17 楚天科技股份有限公司 Centrifugal fan for high -temperature environment and oven with same
CN205714834U (en) * 2016-06-12 2016-11-23 常山县吉华风机厂 A kind of centrifugal high pressure fan with cooling device
CN205895634U (en) * 2016-08-24 2017-01-18 杭州江南电机股份有限公司 Big impeller electric oven fan
CN206092466U (en) * 2016-08-24 2017-04-12 广州台兴机械设备有限公司 Centrifugal fan of reinforcing amount of wind
CN106837507A (en) * 2017-01-17 2017-06-13 江苏多为泵业股份有限公司 A kind of internal combustion engine cooling water pump and its production technology
CN206682041U (en) * 2017-05-03 2017-11-28 亿利洁能股份有限公司 A kind of thick gas blower fan of the adjustable impeller of band
CN206785743U (en) * 2017-06-07 2017-12-22 江苏恒康机电有限公司 A kind of Environmental-protecting dust-removing centrifugal fan
CN208010624U (en) * 2018-03-13 2018-10-26 佛山市禅通风机制造有限公司 A kind of double air intake blower fans of glass tempering furnace
CN210240056U (en) * 2019-07-01 2020-04-03 肖志林 Double-impeller low-noise fan

Patent Citations (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10274187A (en) * 1997-03-31 1998-10-13 Nisshinbo Ind Inc Cross flow fan
CN2577017Y (en) * 2002-11-07 2003-10-01 东莞东坑小塘特翊电机厂 Blowing machine
CN1525075A (en) * 2003-09-15 2004-09-01 海尔集团公司 Blower fan with single electric machine and bilobed wheel
CN2648123Y (en) * 2003-09-15 2004-10-13 海尔集团公司 Single-electric machine double-vane fan
CN101566165A (en) * 2009-05-15 2009-10-28 林钧浩 Synchronous after flow ventilating compressor
CN101709719A (en) * 2009-11-17 2010-05-19 张玉 Impeller and draught fan thereof, and waste separation crusher with same
CN102261341A (en) * 2011-08-04 2011-11-30 张家港施亿百机电设备有限公司 Minitype dual-air-out centrifugal fan
CN202851395U (en) * 2011-09-08 2013-04-03 陕西嘉惠风机机电成套制造有限公司 Mass-flow, low-noise, three-dimensional flow axial double-suction centrifugal type blower
CN103047157A (en) * 2012-12-18 2013-04-17 平安电气股份有限公司 Motor side external speed regulating type axial flow fan
CN102996508A (en) * 2012-12-27 2013-03-27 常州格力博有限公司 Fan blade for blowing-absorbing machine
CN203023086U (en) * 2013-01-24 2013-06-26 佛山市顺德区华威风机制造有限公司 Single-motor double-impeller fan
CN203453095U (en) * 2013-09-09 2014-02-26 株洲联诚集团有限责任公司 Double-impeller energy-saving cooling ventilator for urban rail auxiliary power cabinet
JP2015081596A (en) * 2013-10-24 2015-04-27 三菱電機株式会社 Air blowing device
CN203627266U (en) * 2013-10-28 2014-06-04 长城汽车股份有限公司 Double-impeller blower, automobile air conditioner with double-impeller blower and automobile
CN203962502U (en) * 2014-05-28 2014-11-26 上虞市当代风机风冷设备有限公司 Exhaust outlet be provided with Sealing can damping blower fan
CN104454609A (en) * 2014-11-17 2015-03-25 华唯金属矿产资源高效循环利用国家工程研究中心有限公司 Mine ventilation system capable of preventing air current from being inverted and circulated and use method
CN204493229U (en) * 2015-01-22 2015-07-22 南通市宏大风机有限公司 A kind of double suction dual-supporting centrifugal blower
CN205478410U (en) * 2016-01-20 2016-08-17 楚天科技股份有限公司 Centrifugal fan for high -temperature environment and oven with same
CN205714834U (en) * 2016-06-12 2016-11-23 常山县吉华风机厂 A kind of centrifugal high pressure fan with cooling device
CN205895634U (en) * 2016-08-24 2017-01-18 杭州江南电机股份有限公司 Big impeller electric oven fan
CN206092466U (en) * 2016-08-24 2017-04-12 广州台兴机械设备有限公司 Centrifugal fan of reinforcing amount of wind
CN106837507A (en) * 2017-01-17 2017-06-13 江苏多为泵业股份有限公司 A kind of internal combustion engine cooling water pump and its production technology
CN206682041U (en) * 2017-05-03 2017-11-28 亿利洁能股份有限公司 A kind of thick gas blower fan of the adjustable impeller of band
CN206785743U (en) * 2017-06-07 2017-12-22 江苏恒康机电有限公司 A kind of Environmental-protecting dust-removing centrifugal fan
CN208010624U (en) * 2018-03-13 2018-10-26 佛山市禅通风机制造有限公司 A kind of double air intake blower fans of glass tempering furnace
CN210240056U (en) * 2019-07-01 2020-04-03 肖志林 Double-impeller low-noise fan

Similar Documents

Publication Publication Date Title
CN107795508B (en) Exhaust fan
CN206221318U (en) A kind of induced-draft fan with gas purifying function
CN110259711A (en) A kind of bilobed wheel low-noise fan
CN219733733U (en) High-efficiency fan
CN210371271U (en) One-way air supply non-return type vortex fan
CN210240056U (en) Double-impeller low-noise fan
CN207847940U (en) The vane structure of compressor
CN208442046U (en) Blower and household electrical appliance
CN207583648U (en) A kind of Wind Volume exhaust fan
CN216691564U (en) Centrifugal fan convenient to nimble amount of wind of adjusting
CN202326326U (en) Centrifugal compressor
CN208765021U (en) Blower and range hood
CN209195763U (en) A kind of diagonal flow fan
CN208040769U (en) A kind of multisection type casting wind turbine
CN207906165U (en) A kind of quick release large fan denoising device
CN208138204U (en) Four sides air inlet volute structure
CN207945118U (en) A kind of pipeline fan
CN105240273A (en) Forced air-cooling type complete intensive unit of Roots blower
CN219795606U (en) Novel centrifugal blower
CN205727780U (en) Portable minisize direct current laxative pump
CN107061270A (en) A kind of oil-free scroll formula air compressor
CN217129837U (en) Centrifugal fan with impeller dynamic balance structure
CN217950713U (en) Centrifugal fan that small and convenient maintenance
CN218293917U (en) Air suspension centrifugal blower turbine device
CN218266441U (en) Ultrahigh rotating speed centrifugal blower

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination