CN101793265B - Fan casing base - Google Patents
Fan casing base Download PDFInfo
- Publication number
- CN101793265B CN101793265B CN200910008487A CN200910008487A CN101793265B CN 101793265 B CN101793265 B CN 101793265B CN 200910008487 A CN200910008487 A CN 200910008487A CN 200910008487 A CN200910008487 A CN 200910008487A CN 101793265 B CN101793265 B CN 101793265B
- Authority
- CN
- China
- Prior art keywords
- pedestal
- ribs
- wind
- vent
- assembly part
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a fan casing base which comprises a base body, two ventilation holes, an assembling part, two support ribs and an air outlet. The two ventilation holes and the assembling part are respectively arranged at the bottom of the base body, and the assembling part is positioned between the two ventilation holes. The two support ribs are formed at the position adjacent to the two ventilation holes, and both ends of the two support ribs are respectively connected with the bottom of the base body and the assembling part. The air outlet is arranged on the side wall of the base body. The base body is separated into an air outlet zone and an air storing zone by taking one separation line as the boundary. The air outlet zone is the area of the base body adjacent to the air outlet, and the air storing zone is the other area. The air outlet zone is not provided with any complete support rib, thereby avoiding forming turbulent flow in the air outlet zone.
Description
Technical field
The present invention is about a kind of fan case seat, especially a kind of blower fan shell block of tool ventilated port.
Background technique
Have the blower fan shell block now, disclose " SmallHeat-Dissipating Device, minitype heat radiating device " patent of invention case of No. 20070222331 like U. S. Patent.Please with reference to shown in Figure 1, existing blower fan 9 roughly comprises a shell block 91, a stator 92 and an impeller 93.This shell block 91 is for having an open-topped pedestal, and it has a containing space; The bottom of this shell block 91 is provided with three vents 911, and the contraposition below this impeller 93 of these three vents 911 forms annular arrangement; This shell block 91 is provided with an assembly part 912 between three vents 911, this assembly part 912 is connected with the bottom of this shell block 91 via three ribs 913, and respectively this ribs 913 lays respectively at respectively between this vent 911; This stator 92 and impeller 93 are located in the containing space of this shell block 91, and are assembled on this assembly part 912; The open top of this shell block 91 is covered with a cover plate 94 in addition, and this cover plate 94 offers a wind inlet 941, this wind inlet 941 and the impeller 93 mutual contrapositions that are positioned at this containing space.Whereby, when this existing blower fan running, this impeller 93 can be simultaneously from this wind inlet 941 and this three vents 911 two-way suction gases, and this gas are concentrated see off via an exhaust outlet 914 of this shell block 91.
Generally speaking; Existing blower fan is for keeping whole fan air output and reducing noise content; This blower fan should reduce as far as possible near the wind outlet area of the exhaust outlet 914 of this shell block 91 (be among Fig. 2 separation line a near the zone of a side of this exhaust outlet 914) this ribs 913 or other fan member are set, and takes place with the situation of avoiding flow-disturbing; Be that aforementioned existing blower fan is in order to be provided with this three vents 911 in these shell block 91 bottoms; Go into air quantity to promote integral body; Yet but in this air-out zone, form a complete ribs 913 at least unavoidably, cause gas stream when the air-out zone, to receive the interference of this ribs 913 easily and form flow-disturbing, cause reducing the whole air output that has blower fan now; And therefore the overall noise amount also increases, so necessity of improving is arranged.
Summary of the invention
The purpose of this invention is to provide a kind of fan case seat, main purpose is to keep the smooth degree in the air-out zone of this fan case seat, the flow-disturbing during with the minimizing air-out.
For reaching aforementioned goal of the invention, technological means that the present invention used and the effect that can reach by this technological means include:
A kind of fan case seat comprises a pedestal, two vents, an assembly part, two ribs and an exhaust outlet; This pedestal has a containing space and a side wall portion, and this containing space is formed between this side wall portion; This two vent and assembly part all are arranged at the bottom of this pedestal, and this assembly part is between this two vent; This two ribs is formed at the adjacent position of this two vent, and the two ends of this two ribs connect bottom and this assembly part of this pedestal respectively; This exhaust outlet is opened in the side wall portion of this pedestal.
Wherein, this pedestal defines a separation line, and is boundary with this separation line; This pedestal is divided into a wind outlet area and hold the wind district; This wind outlet area is the zone of this pedestal near this exhaust outlet, and this holds the wind district and then is another zone, and this wind outlet area is not provided with complete arbitrary ribs.
Whereby, when guaranteeing that gas passes through this wind outlet area, be not easy to form flow-disturbing, and then lifting fan integral body is gone into air quantity and air output, the purpose of the noise that is produced when reaching the reduction fan running simultaneously.
Said this two vent has different size; Wherein contain this wind outlet area simultaneously and hold the wind district near the vent area of this exhaust outlet; This another vent then is positioned at the regional extent that this holds the wind district fully, near the size of the vent of this exhaust outlet size greater than this another vent, makes this two ribs all be positioned at this whereby and holds the wind district; And away from the wind outlet area of this pedestal, to reach the effect of avoiding gas in this wind outlet area, to form flow-disturbing.
Description of drawings
Fig. 1: existing fan case seat is applied to the exploded perspective view of blower fan.
Fig. 2: the plan view of existing fan case seat.
Fig. 3: fan case seat of the present invention is applied to first embodiment's of blower fan three-dimensional exploded view.
Fig. 4: the plan view of the fan case seat of first embodiment of the invention.
Fig. 5: the plan view of the fan case seat of second embodiment of the invention.
Fig. 6: fan case seat of the present invention is applied to the 3rd embodiment's of blower fan three-dimensional exploded view.
Fig. 7: the plan view of the fan case seat of third embodiment of the invention.
Fig. 8: the plan view of the fan case seat of fourth embodiment of the invention.
The primary component symbol description:
1 pedestal, 10 containing spaces, 11 side wall portions, 2 vents
2 ' vent, 3 assembly part, 31 axle beds, 4 ribs
5 exhaust outlets, 6 cover plates, 60 containing spaces, 61 wind inlets
62 side wall portions, 7 stators, 8 impeller α wind outlet areas
β holds wind district a separation line b power circuit
9 blower fans, 91 shell blocks, 911 vents, 912 assembly part
913 ribs, 914 exhaust outlets, 92 stators, 93 impellers
94 cover plates, 941 wind inlet a separation lines
Embodiment
For letting above-mentioned and other purposes, characteristic and the advantage of the present invention can be more obviously understandable, hereinafter is special lifts preferred embodiment of the present invention, and conjunction with figs., elaborates as follows:
Please with reference to shown in Figure 3; What fan case seat of the present invention was selected under this enforcement state is the shell block of the blower fan of two-way inlet air; This fan case seat is for having an open-topped pedestal 1, two vents 2, an assembly part 3, two ribs 4, an exhaust outlet 5 and a cover plate 6; This pedestal 1 has a containing space 10 and a side wall portion 11, and this containing space 10 is formed between this side wall portion 11, and a stator 7 of this blower fan and an impeller 8 are installed in this containing space 10; These cover plate 6 contrapositions are assembled in the open top of this pedestal 1, and this cover plate 6 is provided with a wind inlet 61, and when this cover plate 6 was covered on the open top of this pedestal 1, this wind inlet 61 was connected with this containing space 10; This two vent 2 is arranged the bottom that is arranged at this pedestal 1, this two vent 2 and the impeller that is positioned at this containing space 10 8 contraposition mutually, and be communicated with this containing space 10; This assembly part 3 is rounded, and this assembly part 3 is located between this two vent 2, and this two ribs 4 is formed at the adjacent position of this two vent 2, and the two ends of this two ribs 4 are connected with the bottom and the assembly part 3 of this pedestal 1 respectively.In addition, this exhaust outlet 5 is opened in the side wall portion 11 of this pedestal 1, and when this blower fan running, gas is inhaled in this containing space 10 via this wind inlet 61 and vent 2, and via these exhaust outlet 5 outputs.
The major technique characteristics of fan case seat of the present invention are: this pedestal 1 relative this impeller 8 radially on define a separation line a; Utilize this separation line a can this pedestal 1 be distinguished a wind outlet area α and and hold wind district β; This wind outlet area α is the zone of this pedestal 1 near this exhaust outlet 5, and this holds wind district β and then is this pedestal 1 another zone away from this exhaust outlet 5.By this ribs 4 is not set, through this wind outlet area α the time, form flow-disturbing to avoid flowing gas in the scope of this wind outlet area α; In addition, because pedestal 1 of the present invention only is provided with this two vent 2, make the present invention only need keep the ribs 4 of minimum number, gas receives too much ribs 4 and stops and influence integral body and go into air quantity when reducing inlet air.
By the design concept of above-mentioned ribs 4, and hold the different of relative configuration between wind district β according to this vent 2 and this wind outlet area α and this; And the variation of the different structure of this ribs 4, more perfect functions can be provided.Pedestal 1 of the present invention roughly can further be divided into following several different mode of executions according to the technological concept of preceding announcement, and (it has only disclosed several preferred embodiments; Other can reach the structural design of identical combination effect; Must be covered by practical range of the present invention), wherein:
Please with reference to shown in Figure 4, its separation line a that discloses first embodiment of the invention is the most tangent near the end of this exhaust outlet 5 with this circular assembly part 3 diametrically.
Two ribs 4 of this pedestal 1 all are arranged at this and hold in the wind district β; And the end that this two ribs 4 connects this pedestal 1 is the other end angulation skew that is connected this assembly part 3 along gas flow direction (being same as the sense of rotation of this impeller 8) with this ribs 4; It is mobile towards this exhaust outlet 5 along the sense of rotation of this impeller 8 that this two ribs 4 can forward be guided this gas that holds in the wind district β when this impeller 8 rotates, and then avoid in this holds wind district β, forming flow-disturbing; Again, a wherein vent 2 of this pedestal 1 is across this wind outlet area α simultaneously and holds in the wind district β, and this another vent 2 then is arranged at this fully and holds in the wind district β, and this two vent 2 has identical size.
Thus, because the present invention only keeps two ribs 4 of minimum number, to increase the whole inlet air area that this vent 2 constitutes, when making this blower fan running, this two vent 2 can assist suction to go into air quantity more greatly; Moreover pedestal 1 of the present invention is not provided with arbitrary ribs 4 or other supporting members in this wind outlet area α, and then when guaranteeing that gas gets into this wind outlet area α, is difficult for producing flow-disturbing, to keep the fan air-supply smooth degree.Whereby, the present invention not only promotes the integral body of fan and goes into air quantity and air output, the noise content that produces in the time of also can reducing fan running simultaneously.
Please with reference to shown in Figure 5, it discloses the fan case seat of second embodiment of the invention, and this fan case seat comprises a pedestal 1, two vents 2, an assembly part 3, two ribs 4 and an exhaust outlet 5 equally.Wherein member and separation line a such as this pedestal 1, two vents 2, assembly part 3, exhaust outlet 5 is roughly the same with the structure characteristic that is disclosed among aforementioned first embodiment, so repeat no more.
Two ribs 4 that second embodiment of the invention is positioned at 2 of this two vents are of different sizes and structural change; The width of the other end that the width of the end that two ribs 4 of present embodiment are connected with this assembly part 3 is connected with this pedestal 1 bottom less than this two ribs 4; Make this two ribs 4 form a hole enlargement shape; Guide this gas that holds in the wind district β whereby and flow towards this exhaust outlet 5, to avoid in this holds wind district β, forming flow-disturbing along this impeller 8.In addition; This two ribs 4 has the width of different size; Ribs 4 of this big width not only can provide this assembly part 3 better structural strength; Also can provide one bigger group and establish area, the ribs 4 that has large-size when being applied to the fan assembling for the present invention can supply a power circuit b to lay, and then promotes the assembling convenience.
Please with reference to shown in Figure 6, it discloses the fan case seat of third embodiment of the invention, and this fan case seat comprises a pedestal 1, two vents 2, an assembly part 3, two ribs 4, an exhaust outlet 5 and a cover plate 6 equally.Wherein the pedestal 1 of present embodiment is merely a horizontal plate; And this cover plate 6 has a containing space 60; And be provided with a wind inlet 61 and a side wall portion 62 in addition, this containing space 60 is between this side wall portion 62, and this wind inlet 61 is connected with this containing space 60 respectively with this exhaust outlet 5; In addition, this exhaust outlet 5 is opened in this side wall portion 62.
Please with reference to shown in Figure 7; The separation line a of present embodiment is the central position (shaft core position that is equivalent to this impeller 8) through this assembly part 3 diametrically; And at least one lateral margin of this separation line a and this pedestal 1 is parallel to each other; This separation line a also distinguishes this wind outlet area α with this pedestal 1 and holds wind district β, and this wind outlet area α is the zone of this pedestal 1 near this exhaust outlet 5, and this holds wind district β and then is this pedestal 1 another zone away from this exhaust outlet 5.
Two ribs 4 of present embodiment just are arranged on this separation line a, its two be symmetrically formed the relative both sides of the axle bed 31 on this assembly part 3 respectively, and be parallel to each other with the ora terminalis of this exhaust outlet 5; So, the wind outlet area α of this pedestal 1 and hold the both sides that wind district β lays respectively at this two ribs 4 is so that this two ribs 4 is across this wind outlet area α simultaneously and holds in the wind district β; Whereby, make this pedestal 1 in the scope of this wind outlet area α, not be provided with complete arbitrary ribs 4, through this wind outlet area α the time, form flow-disturbing to avoid flowing gas; In addition, because pedestal 1 of the present invention only is provided with this two vent 2, make the present invention only need keep the ribs 4 of minimum number, gas receives too much ribs 4 and stops and influence integral body and go into air quantity when reducing inlet air.
Please with reference to shown in Figure 8, it discloses the fan case seat of fourth embodiment of the invention, and this fan case seat comprises a pedestal 1, two vents 2, an assembly part 3, two ribs 4 and an exhaust outlet 5 equally.Wherein member and separation line a such as this pedestal 1, assembly part 3, exhaust outlet 5 are roughly the same with the structure characteristic that is disclosed among aforementioned the 3rd embodiment, so repeat no more.
Fourth embodiment of the invention has two vents 2 equally; And this two vent 2 has different size; Wherein near the size of the vent 2 of this exhaust outlet 5 greater than this another vent 2 '; This two ribs 4 is all dropped in this scope of holding wind district β, and do not fall into the wind outlet area α of this pedestal 1 fully, to reduce gas forms flow-disturbing in this wind outlet area α situation generation.
Claims (15)
1. a fan case seat is characterized in that, comprises:
A pedestal has a containing space and a side wall portion, and this containing space is formed between this side wall portion;
Two vents are arranged at the bottom of this pedestal, and are connected with this containing space;
An assembly part is arranged at the bottom of this pedestal, and between these two vents;
Two ribs are symmetrically formed respectively in the relative both sides of the central position of this assembly part, and are positioned at this two positions that vent is adjacent, and the two ends of these two ribs connect bottom and this assembly part of this pedestal respectively; And
An exhaust outlet is located at the side wall portion of this pedestal;
Wherein this pedestal defines a separation line; This separation line and this exhaust outlet ora terminalis are parallel to each other, and the central position through this assembly part simultaneously, and this separation line is divided into a wind outlet area and one with this pedestal and held the wind district; This wind outlet area is the zone of this pedestal near this exhaust outlet; This hold the wind district for this pedestal away from another zone of this exhaust outlet, and the wind outlet area of this pedestal is not provided with any complete ribs, and these two ribs are arranged on this separation line.
2. fan case seat according to claim 1 is characterized in that: one of them this vent is arranged at this wind outlet area, and wherein another this vent is arranged at this and holds the wind district.
3. fan case seat according to claim 1; It is characterized in that: the size of one of them this vent is greater than the size of another this vent wherein; This large-sized vent is near this exhaust outlet; And contain this wind outlet area simultaneously and this holds the wind district, this undersized vent then is positioned at this and holds the wind district, and these two ribs all are positioned at this and hold the wind district.
4. fan case seat, its characteristic comprises:
A pedestal has a containing space and a side wall portion, and this containing space is formed between this side wall portion;
Two vents are arranged at the bottom of this pedestal, and are connected with this containing space;
An assembly part is arranged at the bottom of this pedestal, and between these two vents;
Two ribs are formed at this two positions that vent is adjacent, and the two ends of these two ribs connect bottom and this assembly part of this pedestal respectively, and the width of one of them this ribs is greater than the width of another this ribs wherein; And
An exhaust outlet is located at the side wall portion of this pedestal;
Wherein this pedestal has a wind outlet area and one and holds the wind district, and this air-out fauna is the zone of this pedestal near this exhaust outlet, and this holds the wind district and is this pedestal another zone away from this exhaust outlet, and the wind outlet area of this pedestal is not provided with any complete ribs.
5. fan case seat according to claim 1 is characterized in that: the end that this ribs connects this pedestal is the other end angulation skew that is connected this assembly part along gas flow direction with this ribs.
6. fan case seat, its characteristic comprises:
A pedestal has a containing space and a side wall portion, and this containing space is formed between this side wall portion;
Two vents are arranged at the bottom of this pedestal, and are connected with this containing space;
An assembly part is arranged at the bottom of this pedestal, and between these two vents;
Two ribs; Be formed at this two positions that vent is adjacent; The two ends of these two ribs connect bottom and this assembly part of this pedestal respectively, the width of the other end that the width of the end that this ribs is connected with this assembly part is connected with this pedestal bottom less than this ribs; And
An exhaust outlet is located at the side wall portion of this pedestal;
Wherein this pedestal has a wind outlet area and one and holds the wind district, and this air-out fauna is the zone of this pedestal near this exhaust outlet, and this holds the wind district and is this pedestal another zone away from this exhaust outlet, and the wind outlet area of this pedestal is not provided with any complete ribs.
7. fan case seat according to claim 1 is characterized in that: this fan case seat is provided with a cover plate in addition, and this cover plate has a wind inlet, and this cover plate contraposition is assembled in this pedestal top, and this wind inlet is connected with the containing space of this pedestal.
8. a fan case seat is characterized in that, comprises:
A pedestal has one and holds Feng Qu and a wind outlet area, and this holds the side that the wind district is positioned at this wind outlet area;
Two vents are arranged at this pedestal;
An assembly part is arranged at this pedestal, and between these two vents; And
Two ribs are symmetrically formed the relative both sides in this assembly part central position respectively, and are positioned at this two positions that vent is adjacent, and the two ends of these two ribs connect this pedestal and this assembly part respectively;
Wherein this pedestal defines a separation line; This separation line is the central position through this assembly part diametrically; And at least one lateral margin of this separation line and this pedestal is parallel to each other; The wind outlet area of this pedestal is not provided with any complete ribs, and these two ribs are arranged on this separation line.
9. fan case seat according to claim 8 is characterized in that: one of them this vent is arranged at this wind outlet area, and wherein another this vent is arranged at this and holds the wind district.
10. fan case seat according to claim 8; It is characterized in that: the size of one of them this vent is greater than the size of another this vent wherein; This large-sized vent is contained this wind outlet area simultaneously and is held the wind district; This undersized vent then is positioned at this fully and holds the wind district, and two these ribs all are positioned at this and hold the wind district.
11. a fan case seat is characterized in that, comprises:
A pedestal has one and holds Feng Qu and a wind outlet area, and this holds the side that the wind district is positioned at this wind outlet area;
Two vents are arranged at this pedestal;
An assembly part is arranged at this pedestal, and between these two vents; And
Two ribs are formed at this two positions that vent is adjacent, and the two ends of these two ribs connect this pedestal and this assembly part respectively, and the width of one of them this ribs is greater than the width of another this ribs wherein;
Wherein the wind outlet area of this pedestal is not provided with any complete ribs.
12. fan case seat according to claim 8 is characterized in that: the end that this ribs connects this pedestal is the other end angulation skew that is connected this assembly part along gas flow direction with this ribs.
13. a fan case seat is characterized in that, comprises:
A pedestal has one and holds Feng Qu and a wind outlet area, and this holds the side that the wind district is positioned at this wind outlet area;
Two vents are arranged at this pedestal;
An assembly part is arranged at this pedestal, and between these two vents; And
Two ribs; Be formed at this two positions that vent is adjacent; The two ends of these two ribs connect this pedestal and this assembly part respectively, wherein the width of the other end that is connected with this pedestal less than this ribs of the width of the end that is connected with this assembly part of this ribs;
Wherein the wind outlet area of this pedestal is not provided with any complete ribs.
14. fan case seat according to claim 8; It is characterized in that: this fan case seat is provided with a cover plate in addition; This cover plate has a containing space, a wind inlet and a side wall portion; This cover plate contraposition is assembled in this pedestal one side, and this containing space is formed between this side wall portion, and this wind inlet is connected with this containing space.
15. fan case seat according to claim 14 is characterized in that: this fan case seat has an exhaust outlet in addition, and this exhaust outlet is opened in the side wall portion of this cover plate and is connected with this containing space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910008487A CN101793265B (en) | 2009-02-04 | 2009-02-04 | Fan casing base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910008487A CN101793265B (en) | 2009-02-04 | 2009-02-04 | Fan casing base |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101793265A CN101793265A (en) | 2010-08-04 |
| CN101793265B true CN101793265B (en) | 2012-10-10 |
Family
ID=42586132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910008487A Expired - Fee Related CN101793265B (en) | 2009-02-04 | 2009-02-04 | Fan casing base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101793265B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103835968B (en) * | 2012-11-20 | 2017-02-08 | 昆山广兴电子有限公司 | Cooling fan |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1966997A (en) * | 2005-11-16 | 2007-05-23 | 奇鋐科技股份有限公司 | Centrifugal fan with reduced noise |
| CN101187379A (en) * | 2006-11-17 | 2008-05-28 | 富准精密工业(深圳)有限公司 | Centrifugal fan, heat radiation device possessing the centrifugal fan and electronic device using the heat radiation device |
| CN101382154A (en) * | 2007-09-07 | 2009-03-11 | 富准精密工业(深圳)有限公司 | Centrifugal fan |
| CN201391484Y (en) * | 2009-02-04 | 2010-01-27 | 昆山广兴电子有限公司 | Fan shell seat |
-
2009
- 2009-02-04 CN CN200910008487A patent/CN101793265B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1966997A (en) * | 2005-11-16 | 2007-05-23 | 奇鋐科技股份有限公司 | Centrifugal fan with reduced noise |
| CN101187379A (en) * | 2006-11-17 | 2008-05-28 | 富准精密工业(深圳)有限公司 | Centrifugal fan, heat radiation device possessing the centrifugal fan and electronic device using the heat radiation device |
| CN101382154A (en) * | 2007-09-07 | 2009-03-11 | 富准精密工业(深圳)有限公司 | Centrifugal fan |
| CN201391484Y (en) * | 2009-02-04 | 2010-01-27 | 昆山广兴电子有限公司 | Fan shell seat |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101793265A (en) | 2010-08-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102102676B (en) | Fan unit for filter fans | |
| CN105840532B (en) | A kind of coiler fan structure | |
| CN202993404U (en) | Outdoor machine of air-conditioner | |
| CN109323333B (en) | Indoor unit of air conditioner | |
| CN201391484Y (en) | Fan shell seat | |
| CN105091087A (en) | Air conditioner indoor unit with two heat exchangers | |
| CN207132450U (en) | Indoor apparatus of air conditioner | |
| CN101793265B (en) | Fan casing base | |
| CN105091084A (en) | Air conditioner indoor machine | |
| CN109323332B (en) | Indoor unit of air conditioner | |
| CN203857569U (en) | Air conditioner indoor unit with two heat exchangers | |
| JP2013249994A (en) | Ceiling-embedded duct type indoor unit | |
| CN205878497U (en) | Air conditioner, fan system and air duct structure thereof | |
| CN210951561U (en) | Ceiling type air conditioner indoor unit | |
| CN105091086A (en) | Air conditioner | |
| KR20070047107A (en) | Energy recovery ventilation | |
| JP4967582B2 (en) | Air conditioner | |
| US20180271345A1 (en) | Steam cleaner | |
| CN109780630B (en) | Indoor unit of air conditioner | |
| CN200989650Y (en) | Circulation air-out diffuser and circulation air-out outlet | |
| CN107339256B (en) | Impeller central disk and impeller for range hood | |
| CN109424569B (en) | Ventilation device | |
| JP2012017896A (en) | Air conditioner | |
| CN206488433U (en) | The noise-reducing structure of air-conditioner set | |
| CN106705400B (en) | Panel assembly and air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20220204 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |