CN110388735A - The exhaust air flue and air purifier or new blower of horizontal type through-flow blower are installed - Google Patents
The exhaust air flue and air purifier or new blower of horizontal type through-flow blower are installed Download PDFInfo
- Publication number
- CN110388735A CN110388735A CN201910759710.5A CN201910759710A CN110388735A CN 110388735 A CN110388735 A CN 110388735A CN 201910759710 A CN201910759710 A CN 201910759710A CN 110388735 A CN110388735 A CN 110388735A
- Authority
- CN
- China
- Prior art keywords
- wind
- wall
- air
- horizontal type
- exhaust air
- 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
Links
- 238000009434 installation Methods 0.000 claims description 16
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 7
- 230000002035 prolonged effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000009423 ventilation Methods 0.000 abstract 2
- 238000001914 filtration Methods 0.000 abstract 1
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 239000013618 particulate matter Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000004887 air purification Methods 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- 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
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers 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
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/065—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit fan combined with single duct; mounting arrangements of a fan in a duct
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
It include fresh air fixes sleeve component and mixed wind runner assembly the invention discloses a kind of exhaust air flue for installing horizontal type through-flow blower and mixed wind clearing machine；The fresh air fixed hub cartridge module is fixed in mixed wind clearing machine, including circular fixes sleeve (4), and the inner hole of fixes sleeve (4) is connected to fresh air admission line (007)；The side wall of the fixes sleeve (4) is provided with air inlet (41)；The mixed wind runner assembly includes that inner hole is circular rotational sleeve (7) and driving mechanism；The side wall of rotational sleeve (7) is provided with ventilation opening (71)；The rotational sleeve (7) is placed in fixes sleeve (4) outside, driving mechanism drives rotational sleeve (7) rotation, the relative circumferential position for changing ventilation opening (71) and air inlet (41), adjusts the fresh air volume passed through.Different degrees of particulate matter, gaseous state object complexity pollutional condition can be coped in conjunction with two systems, with the most energy-efficient double clean-up effects of being optimal, realize that the outdoor fresh air of filtering is passed through in injection while purifying air indoors.
Description
Technical field
The present invention relates to mechanical structure field and technical field of air purification, more particularly, in fresh air purification device
The exhaust air flue and air purifier or new blower of horizontal type through-flow blower are installed.
Background technique
Currently, new blower and air purifier application is often universal.New blower and air purifier, generally using vertical
The blower fan structure of the vortex fan blade of placement.The blower of vertical placement has the big outlet air of big luxurious air outlet, outlet air of uniformly releiving
Mouthful.It is more to be used, and through-flow Horizontal fan is usually the small air outlet air-supply of partial center, so through-flow Horizontal fan structure exists
The application of new blower and air purifier is seldom.
Summary of the invention
The object of the present invention is to provide it is a kind of install horizontal type through-flow blower exhaust air flue and air purifier or new blower,
The big air outlet air duct of a kind of big luxurious air outlet, outlet air of uniformly releiving is provided, is through-flow Horizontal fan using providing
Good structural solutions.
The purpose of the present invention is what is be achieved through the following technical solutions:
It is a kind of install horizontal type through-flow blower exhaust air flue, including go out windshield 1, cavity 2, cross flow fan, wind-guiding component 5 with
Pedestal 4；
The cavity 2 is installed on pedestal 4, and upper opening installs out windshield 1, is equipped with outlet air in the air outlet of windshield 1 out
Grid 11；The cross flow fan is horizontal to be installed on 2 middle part lower section of cavity；
The wind-guiding component 5 is strip, 2 inner wall of cavity that two sides are fixed on；Including the sequentially connected wind wall 52 that spreads out,
Keep out the wind wall 54 and air guiding wall 51；The 2 upper opening edge of cavity that described 52 one end of wind wall of spreading out is fixed below the air outlet left side, separately
One end, which slopes down to, connects the wall 54 that keeps out the wind above wind wheel 3, the wall 54 that keeps out the wind is circumferential around 270 degree along wind wheel 3, and apart from wind wheel 3
The gap of circumferential surface becomes larger, and connects 51 lower end of air guiding wall, and the chamber of lower section on the right of air outlet is fixed in 51 upper end of air guiding wall
2 upper opening edge of body.
The wind-guiding component 5 further includes wind cutting angle 53, wind cutting angle 53 be it is semicircular arc-shaped, connection is spread out wind wall 52 and the wall that keeps out the wind
Between 54.
The arc radius at the wind cutting angle 53 is 10~15mm.
The wind wheel 3 includes that the rotor shaft 31 at the center several axial directions circumferentially uniformly distributed with 3 end face edge of wind wheel is set to are prolonged
The fan blade 32 stretched；
Fan blade 32 includes air-supply side 321 and the inner lobe thickness edges 322 of outer, and air-supply 321 tail portion of side tangentially extends
The spread out inclination angle B2 of tangent line of fan blade is less than the inclination angle B1 downwards of wind wall 52 of spreading out, B1-B2=20~35 °.
The wind wall 52 that spreads out is plane, cambered surface or non-cambered surface curved surface.
It is described go out windshield 1 further include wind-guiding gusset 12, be set to air outlet the right and left, the wind-guiding gusset 12 it is interior
Side slopes inwardly 2~5 °, is inclined outwardly above as inclined-plane.
The inner side edge height of the wind-guiding gusset 12 is greater than 4cm.
The inner side edge height of the wind-guiding gusset 12 is 6~9cm.
A kind of air purifier, using the exhaust air flue of above-mentioned installation horizontal type through-flow blower.
A kind of new blower, using the exhaust air flue of above-mentioned installation horizontal type through-flow blower.
As seen from the above technical solution provided by the invention, a kind of installation horizontal type through-flow provided in an embodiment of the present invention
The exhaust air flue of blower and air purifier or new blower provide the big outlet air of a kind of big luxurious air outlet, outlet air of uniformly releiving
Mouth exhaust air flue provides good structural solutions for the application of through-flow Horizontal fan.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the structural schematic diagram of the exhaust air flue of installation horizontal type through-flow blower provided in an embodiment of the present invention；
Fig. 2 is the wind wheel structure schematic diagram of the exhaust air flue of installation horizontal type through-flow blower provided in an embodiment of the present invention；
Fig. 3 is the portion the M enlarged diagram of Fig. 2；
Fig. 4 is the wind cutting of spreading out of the wind wheel of the exhaust air flue of installation horizontal type through-flow blower provided in an embodiment of the present invention to signal
Figure；
Fig. 5 is the wind direction schematic diagram of the exhaust air flue of installation horizontal type through-flow blower provided in an embodiment of the present invention.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this
The embodiment of invention, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, belongs to protection scope of the present invention.
The embodiment of the present invention is described in further detail below in conjunction with attached drawing.
Embodiment one
As shown in Figure 1, a kind of exhaust air flue for installing horizontal type through-flow blower, can be applied to air purifier or fresh air
Machine includes windshield 1, cavity 2, cross flow fan, wind-guiding component 5 and pedestal 4 in structure；The cavity 2 is strip rectangle
Space is installed on pedestal 4, and upper opening installs out windshield 1, is equipped with outlet grid 11 in the air outlet of windshield 1 out；The outlet air
Lid 1 further includes wind-guiding gusset 12, air outlet the right and left is set to, as shown in figure 5, the inner side edge of the wind-guiding gusset 12 is inside
2~5 ° of inclination plays astriction, that is, 2~5 ° of convergency.It is inclined outwardly above as inclined-plane, it is high outside and low outside.Outlet grid 11 is pacified
Loaded between wind-guiding gusset 12.The inner side edge height L of the wind-guiding gusset 12 is greater than 4cm.The optimal wind-guiding gusset 12
Inner side edge height be 6~9cm.Can air-out direction to outlet grid 11 to be effectively oriented to, guarantee wind direction and uniformly releive out
The experience of wind.
The cross flow fan is horizontal to be installed on 2 middle part lower section of cavity；Position generally by specific structure depending on, can be inclined
Heart setting, can also be centrally located.
Slab component of the wind-guiding component 5 for strip, 2 inner wall of cavity that two sides are fixed on, and preferably seal,
It prevents from leaking out；The wind-guiding component 5 includes the sequentially connected wind wall 52 that spreads out, keep out the wind wall 54 and air guiding wall 51；The wind that spreads out
The 2 upper opening edge of cavity below the air outlet left side is fixed in 52 one end of wall, and the other end, which slopes down to, connects gear above wind wheel 3
Wind wall 54, the wall 54 that keeps out the wind is circumferential around 270 degree along wind wheel 3, and the gap apart from 3 circumferential surface of wind wheel becomes larger, and connection is led
51 lower end of wind wall, the 2 upper opening edge of cavity of lower section on the right of air outlet is fixed in 51 upper end of air guiding wall, in wind-guiding gusset 12
Side extending direction is consistent.The upper end of air guiding wall 51 slopes inwardly 2~5 degree, plays astriction, that is, 2~5 ° of convergency.This
One scheme, that is, the wind wall 52 that spreads out are connect with 54 wedge angle of wall that keeps out the wind, and the efficiency for cutting air can be higher, and still, noise can be larger.
Another program, the wind-guiding component 5 further include wind cutting angle 53, wind cutting angle 53 be it is semicircular arc-shaped, connection is spread out wind wall
Between 52 and the wall 54 that keeps out the wind, that is, the wind-guiding component 5 includes the sequentially connected wind wall 52 that spreads out, wind cutting angle 53, keep out the wind wall 54
With air guiding wall 51；The 2 upper opening edge of cavity that described 52 one end of wind wall of spreading out is fixed below the air outlet left side, the other end are downward
Connection wind cutting angle 53 above wind wheel 3 is tilted to, wind cutting angle 53 connects the wall 54 that keeps out the wind, and the wall 54 that keeps out the wind is circumferential around 270 along wind wheel 3
Degree, and the gap apart from 3 circumferential surface of wind wheel becomes larger, and connects 51 lower end of air guiding wall, outlet air is fixed in 51 upper end of air guiding wall
The 2 upper opening edge of cavity of lower section, consistent with the inner side edge extending direction of wind-guiding gusset 12 on the right of mouthful.The upper end of air guiding wall 51 to
Tilted 2~5 degree, play astriction, that is, 2~5 ° of convergency.Since wind cutting angle 53 is fillet cambered surface, it can be effectively reduced and cut
Cut the noise of air generation.The arc radius at the wind cutting angle 53 is 10~15mm.Cut the high efficiency and low noise of air
The two is taken into account.To reach effectively hidden blower and as far as possible the big luxurious, outlet air of outlet air of uniformly releiving can be shown to user
Mouthful.
In this example, wind wheel 3 as described in Fig. 2 to Fig. 5 include center rotor shaft 31 with to be set to 3 end face edge of wind wheel circumferential
Uniformly distributed several axially extending fan blades 32；Meanwhile the circumferential direction of wind wheel 3 is evenly distributed with multiple axial air inlet holes 33.
Fan blade 32 includes air-supply side 321 and the inner lobe thickness edges 322 of outer, and air-supply 321 tail portion of side tangentially extends
The spread out inclination angle B2 of tangent line of fan blade is less than the inclination angle B1 downwards of wind wall 52 of spreading out, B1-B2=20~35 °.Outlet air is equal in this way
Even to releive, air-out effect is best, and noise is minimum.
In this example, the wind wall 52 that spreads out is plane, cambered surface or non-cambered surface curved surface.Non- cambered surface curved surface such as line transect is formed
Curved surface.But its tangent line, which forms angle, will also follow above-mentioned relation.
Rotor shaft 31 is installed on the motor shaft of cross flow fan, is rotated with motor shaft, drives wind wheel 3 to rotate, with wind wheel 3
Around rotor shaft 31 rotate, wind along air-supply 321 tail portion of side extend fan blade spread out tangent line send out, through outlet grid 11, pure air
It is sent into indoor.In the process, after effective cutting separation at wind cutting angle 53, on one side by the water conservancy diversion of air guiding wall 51, on one side by spreading out
The drainage of wind wall 52 enters wind gusset 12 jointly, under 12 water conservancy diversion of wind gusset, wind is sent out outlet grid 11, is entered the room.
Embodiment two
A kind of air purifier, using the exhaust air flue for installing horizontal type through-flow blower described in embodiment one.Air cleaning
The architecture system of device, induction control system, filters wind system, Xingfeng capsule switching system etc. module because not at motor driven systems
In the protection scope of this patent, just no longer elaborate here.
A kind of new blower, using the exhaust air flue for installing horizontal type through-flow blower described in embodiment one.The framework of new blower
System, motor driven systems, induction control system, filter wind system, Xingfeng capsule switching system etc. module is not because in this patent
Protection scope, just no longer elaborate here.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Within the technical scope of the present disclosure, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (10)
1. a kind of exhaust air flue for installing horizontal type through-flow blower, it is characterised in that: including going out windshield (1), cavity (2), through-flow wind
Machine, wind-guiding component (5) and pedestal (4)；
The cavity (2) is installed on pedestal (4), and upper opening installs out windshield (1), is equipped in the air outlet of windshield (1) out
Outlet grid (11)；The cross flow fan is horizontal to be installed on lower section in the middle part of cavity (2)；
The wind-guiding component (5) is strip, cavity (2) inner wall that two sides are fixed on；Including the sequentially connected wind wall that spreads out
(52), keep out the wind wall (54) and air guiding wall (51)；The cavity (2) that described wind wall (52) one end of spreading out is fixed below the air outlet left side
Upper opening edge, the other end slope down to connection above wind wheel (3) and keep out the wind wall (54), and the wall that keeps out the wind (54) is circumferential along wind wheel (3)
Around 270 degree, and the gap apart from wind wheel (3) circumferential surface becomes larger, connection air guiding wall (51) lower end, on air guiding wall (51)
Cavity (2) upper opening edge of lower section on the right of air outlet is fixed at end.
2. the exhaust air flue of installation horizontal type through-flow blower according to claim 1, which is characterized in that the wind-guiding component
(5) further include wind cutting angle (53), wind cutting angle (53) be it is semicircular arc-shaped, connection is spread out between wind wall (52) and the wall that keeps out the wind (54).
3. the exhaust air flue of installation horizontal type through-flow blower according to claim 1, which is characterized in that the wind cutting angle
(53) arc radius is 10~15mm.
4. the exhaust air flue of installation horizontal type through-flow blower according to claim 1 or 2, which is characterized in that the wind wheel
(3) include center rotor shaft (31) be set to the circumferentially uniformly distributed several axially extending fan blades (32) of wind wheel (3) end face edge；
Fan blade (32) includes air-supply side (321) and the inner lobe thickness edges (322) of outer, and air-supply side (321) tail portion is tangentially prolonged
The spread out inclination angle B2 of tangent line of the fan blade stretched is less than the inclination angle B1 downwards of wind wall (52) of spreading out, B1-B2=20~35 °.
5. the exhaust air flue of installation horizontal type through-flow blower according to claim 4, which is characterized in that the wind wall that spreads out
It (52) is plane, cambered surface or non-cambered surface curved surface.
6. the exhaust air flue of installation horizontal type through-flow blower according to claim 1 or 2, which is characterized in that the outlet air
Covering (1) further includes wind-guiding gusset (12), is set to air outlet the right and left, and the inner side edge of the wind-guiding gusset (12) slopes inwardly
It 2~5 °, is inclined outwardly above as inclined-plane.
7. the exhaust air flue of installation horizontal type through-flow blower according to claim 6, which is characterized in that the wind-guiding gusset
(12) inner side edge height is greater than 4cm.
8. the exhaust air flue of installation horizontal type through-flow blower according to claim 7, which is characterized in that the wind-guiding gusset
(12) inner side edge height is 6~9cm.
9. a kind of air purifier, it is characterised in that: using installation horizontal type through-flow wind described in claim 1 to 8 any one
The exhaust air flue of machine.
10. a kind of new blower, it is characterised in that: using installation horizontal type through-flow blower described in claim 1 to 8 any one
Exhaust air flue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910759710.5A CN110388735A (en) | 2019-08-16 | 2019-08-16 | The exhaust air flue and air purifier or new blower of horizontal type through-flow blower are installed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910759710.5A CN110388735A (en) | 2019-08-16 | 2019-08-16 | The exhaust air flue and air purifier or new blower of horizontal type through-flow blower are installed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110388735A true CN110388735A (en) | 2019-10-29 |
Family
ID=68288891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910759710.5A Pending CN110388735A (en) | 2019-08-16 | 2019-08-16 | The exhaust air flue and air purifier or new blower of horizontal type through-flow blower are installed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110388735A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230135382A1 (en) * | 2021-11-04 | 2023-05-04 | Lg Electronics Inc. | Ventilation device |
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| CN203550039U (en) * | 2013-09-26 | 2014-04-16 | 广东美的制冷设备有限公司 | Air conditioner with uniform hot and cold temperature |
| CN104515281A (en) * | 2013-10-08 | 2015-04-15 | 珠海格力电器股份有限公司 | Double-suction type ventilation device and air conditioner |
| CN105107299A (en) * | 2015-09-29 | 2015-12-02 | 北京卫家环境技术有限公司 | Wall-hanging air purifier |
| CN105201929A (en) * | 2015-09-24 | 2015-12-30 | 上海诺地乐通用设备制造有限公司 | Flat centrifugal jet fan |
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2019
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| CN203550039U (en) * | 2013-09-26 | 2014-04-16 | 广东美的制冷设备有限公司 | Air conditioner with uniform hot and cold temperature |
| CN104515281A (en) * | 2013-10-08 | 2015-04-15 | 珠海格力电器股份有限公司 | Double-suction type ventilation device and air conditioner |
| CN105201929A (en) * | 2015-09-24 | 2015-12-30 | 上海诺地乐通用设备制造有限公司 | Flat centrifugal jet fan |
| CN105107299A (en) * | 2015-09-29 | 2015-12-02 | 北京卫家环境技术有限公司 | Wall-hanging air purifier |
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| Title |
|---|
| 李庆宜: "《通风机》", 30 September 1981, 机械工业出版社, pages: 69 - 71 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230135382A1 (en) * | 2021-11-04 | 2023-05-04 | Lg Electronics Inc. | Ventilation device |
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