CN203274148U - Air conditioner air-supplying device of vertical-type air conditioner - Google Patents
Air conditioner air-supplying device of vertical-type air conditioner Download PDFInfo
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- CN203274148U CN203274148U CN 201320314367 CN201320314367U CN203274148U CN 203274148 U CN203274148 U CN 203274148U CN 201320314367 CN201320314367 CN 201320314367 CN 201320314367 U CN201320314367 U CN 201320314367U CN 203274148 U CN203274148 U CN 203274148U
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Abstract
The utility model discloses an air conditioner air-supplying device of a vertical-type air conditioner. The air conditioner air-supplying device of the vertical-type air conditioner comprises at least three annular air-guiding bodies, wherein the middles of the annular air-guiding bodies are communicated, and openings are formed in the front portions and the rear portions of the annular air-guiding bodies. Each annular air-guiding body is a single-body component, the rear opening of each annular air-guiding body is an air inlet, the front opening of each annular air-guiding body is an air outlet, the annular air-guiding bodies are arranged from front to back in sequence, the middles of the annular air-guiding bodies form a communicated air duct, an annular heat-exchange-air air duct is formed between two adjacent annular air-guiding bodies, and the air inlet formed in the rear end of the rear-end annular air-guiding body is a non-heat-exchange air duct, the air outlet formed in the front end of the front-end annular guiding body is a mixed air outlet, and the sizes of the annular heat-exchange-air air ducts are gradually reduced in the direction from the non-heat-exchange air inlet to the position of the mixed air outlet. The air conditioner air-supplying device of the vertical-type air conditioner is applied to an air conditioner, air intake amount of the air conditioner can be increased, flexibility of air output of the air conditioner is improved, and the air conditioner air-supplying device of the vertical-type air conditioner is beneficial to even air output in the circumferential direction of the heat-exchange-air air duct, and can reduce pressure loss and noise.
Description
Technical field
The utility model belongs to the air-conditioning technique field, specifically, relates to three-dimensional air conditioner structure, more particularly, relates to the air-conditioner air supply device in a kind of vertical air conditioner.
Background technology
During existing vertical air conditioner air-supply, the air outlet that the wind after the heat exchanger heat exchange is directly offered under the effect of fan inside, from air-conditioning blows out, and the wind that blows out is all heat exchange wind.General, extra air-supply arrangement is not set between heat exchanger and air outlet.A shortcoming of this air-conditioning is to be all heat exchange wind owing to sending wind, and air quantity is less, and indoor wind circulation rate is slow; Another shortcoming is that the wind of sending is soft not, and especially under refrigeration mode, the cool breeze that blows out directly blows to it the user, and it is uncomfortable that the user feels.
For addressing the above problem, the applicant had once proposed a kind of air-conditioner air supply device that can be applied on air-conditioning, air-conditioner air supply device includes annular cover body, be formed with the perforation air channel of running through annular cover body in the middle of annular cover body, form annular opening on the circular cowling body wall, some annular flow deflectors are set, the annular air-out of formation air channel between the adjacent annular flow deflector on annular opening.After between the air outlet of heat exchanger of air condition and air-conditioner housing, this air-conditioner air supply device being set, not only can increase intake, the acceleration indoor air flows of air-conditioning, and can improve the mildness of air conditioning exhausting, improve user's comfortableness experience effect.But, because annular flow deflector and annular air-out air channel all are formed on an annular cover body, are not easy to flexible choice and control annular flow deflector and the structure in air-out air channel, the scope of application is narrower.And, for such air-conditioner air supply device, the structure in annular air-out air channel to reduce windage, to reduce crushing most important, therefore, the design of its structure is also the problem that needs research.
Summary of the invention
The purpose of this utility model is to provide the air-conditioner air supply device in a kind of vertical air conditioner, to solve the described problem of background technology.
For realizing above-mentioned utility model purpose, the utility model adopts following technical proposals to be achieved:
air-conditioner air supply device in a kind of vertical air conditioner, described air-supply arrangement connects in the middle of including three at least, the annular wind guiding member of opening before and after having, each described annular wind guiding member is single component, the after-opening of described annular wind guiding member is air inlet, open front is air outlet, be arranged in order before and after described at least three annular wind guiding members, the perforation air channel that connects before and after middle formation, formation annular heat exchange wind air channel between adjacent two described annular wind guiding members, the air inlet that is positioned at the rear end annular wind guiding member of rear end is the non-heat exchange wind inlet of described air-supply arrangement, the air outlet that is positioned at the front end annular wind guiding member of front end is the mixing wind outlet of described air-supply arrangement, the volume in a plurality of described annular heat exchange wind air channel reduces gradually along the direction from described non-heat exchange wind inlet to described mixing wind outlet.
Air-conditioner air supply device as above, described annular heat exchange wind air channel has near the outlet air end in described perforation air channel with away from the air intake in described perforation air channel, the adjacent two described annular wind guiding member surfaces that form described annular heat exchange wind air channel have the air intake tangent circle at described air intake place, and the tangent diameter of a circle of air intake in a plurality of described annular heats exchange wind air channels is along the reduction ratio convergent of the direction that exports from described non-heat exchange wind inlet to described mixing wind with 1-20%.
Preferably, the reduction ratio of the tangent diameter of a circle of described air intake is 2-10%.
Preferred, the direction non-equal proportion convergent of the tangent diameter of a circle of described air intake from described non-heat exchange wind inlet to described mixing wind outlet.
Air-conditioner air supply device as above, described annular heat exchange wind air channel has near the outlet air end in described perforation air channel with away from the air intake in described perforation air channel, the adjacent two described annular wind guiding member surfaces that form described heat exchange wind air channel have the outlet air end tangent circle at described outlet air end place, and the tangent diameter of a circle of outlet air end in a plurality of described annular heats exchange wind air channels is along the reduction ratio convergent of the direction that exports from described non-heat exchange wind inlet to described mixing wind with 1-20%.
Preferably, the reduction ratio of the tangent diameter of a circle of described outlet air end is 5-15%.
Preferred, the direction non-equal proportion convergent of the tangent diameter of a circle of described outlet air end from described non-heat exchange wind inlet to described mixing wind outlet.
Compared with prior art, advantage of the present utility model and good effect are: use air-conditioner air supply device of the present utility model in air-conditioning after, when the heat exchange wind in air channel, air-conditioning inside is blown out through connecting the air channel front end, can utilize suction function suction part outside not the non-heat exchange wind of heat exchange participate in the last air-out of air-conditioning, increased the whole intake of air-conditioning, accelerate flowing of room air, further improved the whole uniformity of room air.And such mixing air is comparatively soft, blows to the user and can feel more comfortable with it, has improved user's comfortableness experience effect.In addition, constitute air-conditioner air supply device by the annular wind guiding member that adopts a plurality of single component forms, not only be convenient to require the structure of each annular wind guiding member of control flexibly according to air-supply, process easily each different annular wind guiding member of structure, the all right assembling mode of the whole air-conditioner air supply device of flexible choice in air-conditioning, and then improved the scope of application of air-conditioner air supply device and the production efficiency of air-conditioning.And the volume in a plurality of institutes annular heats exchange wind air channel not only is beneficial to the air channel circumferential direction air-out of heat exchange wind even, and can reduces crushing and noise along reducing gradually from non-heat exchange wind inlet to the direction of mixing the wind outlet.
After reading by reference to the accompanying drawings the specific embodiment of the present utility model, other characteristics of the present utility model and advantage will become clearer.
Description of drawings
Fig. 1 is the perspective view of the embodiment of air-conditioner air supply device in the utility model vertical air conditioner;
Fig. 2 is the side-looking structural representation of Fig. 1 embodiment;
Fig. 3 is the radial section structural representation of Fig. 1 embodiment;
Fig. 4 is the part radial section structural representation of Fig. 1 embodiment.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the technical solution of the utility model is described in further detail.
At first, a brief description made in the technical term that relates in this specific embodiment: following mentioning each structural member front end or during the rear end, be to define with the position with respect to the user under the structural member normal operating condition; During description before or after carrying out for the arrangement position of a plurality of structural members, it is also the definition of being done with respect to user's position under normal operating condition with the device that a plurality of structural members consist of.Following heat exchange wind refers to from air-conditioning inside, wind after the heat exchanger heat exchange; Non-heat exchange wind refers to the wind from air-conditioning environment space of living in, is for heat exchange wind, is not the part wind that directly comes from heat exchanger; Mix wind and refer to that heat exchange wind mixes the wind that forms with non-heat exchange wind.Following ring refers to be not limited to annulus around the enclosed construction that forms.
Secondly, briefly explain mentality of designing of the present utility model: for heat exchanger of air condition heat exchange wind and outside non-heat exchange wind being formed the air-conditioner air supply device that mixes wind and send, the structure in heat exchange wind air channel is most important to minimizing windage, reduction crushing, and then can have influence on the air quantity of the outside non-heat exchange wind that air-conditioner air supply device sucks and the temperature of mixing the wind air-out, and the structure in heat exchange wind air channel depends primarily on the relative position relation of adjacent two the annular wind guiding members that form this air channel and the structure of annular wind guiding member self.So the utility model as the research point, seeks to improve the preferred construction of air-conditioner air supply device performance from the structure in heat exchange wind air channel, especially its shape.
Please refer to Fig. 1 to an embodiment of the utility model air-conditioner air supply device 1 shown in Figure 4, wherein, Fig. 1 is the perspective view of this embodiment, and Fig. 2 is the side-looking structural representation of this embodiment, and Fig. 3 and Fig. 4 are shown in its radial section structural representation.
As Fig. 1, Fig. 2 and illustrated in Figure 3, the air-conditioner air supply device 1 of this embodiment includes four annular wind guiding members, is respectively from front to back front end annular wind guiding member 11, the first intermediate annular wind guiding member 13, the second intermediate annular wind guiding member 17 and rear end annular wind guiding member 12.Each annular wind guiding member in these four annular wind guiding members that front and back are arranged in order is single component, independent moulding.Wherein, connect in the middle of front end annular wind guiding member 11, have former and later two openings, be respectively and mix wind outlet 111 and air inlet 112; Connect in the middle of the first intermediate annular wind guiding member 13, have former and later two openings, be respectively air outlet 131 and air inlet 132; Connect in the middle of the second intermediate annular wind guiding member 17, have former and later two openings, be respectively air outlet 171 and air inlet 172; Connect in the middle of rear end annular wind guiding member 12, have former and later two openings, be respectively air outlet 121 and non-heat exchange wind inlet 122.After front end annular wind guiding member 11, the first intermediate annular wind guiding member 13, the second intermediate annular wind guiding member 17 and annular wind guiding member 12 front and back, rear end are arranged in order, connect the perforation air channel (in figure mark) of all four annular wind guiding members before and after middle formation.And, be formed with the first annular heat exchange wind air channel 14 in the middle of front end annular wind guiding member 11 and the first intermediate annular wind guiding member 13, be formed with in the middle of the first intermediate annular wind guiding member 13 and the second intermediate annular wind guiding member 17 and be formed with the 3rd annular heat exchange wind air channel 18 in the middle of the second annular heat exchange wind air channel 15, the second intermediate annular wind guiding members 17 and rear end annular wind guiding member 12.The direction of the volume in three annular heats exchange wind air channel from the non-heat exchange wind inlet 122 of rear end annular wind guiding member 12 to the mixing wind outlet 111 of front end annular wind guiding member 11 reduces gradually.
Specifically, as schematically shown in Figure 4, each annular heat exchange wind air channel have close air-conditioner air supply device 1 the perforation air channel outlet air end and away from connecting the air channel, be positioned at the air intake of outlet air end opposite side, each annular heat exchanges the tangent circle between adjacent two the annular wind guiding member surfaces that all have this heat exchange wind of a plurality of formations air channel in the wind air channel.For instance, there are three tangent circles in the first annular heat exchange wind air channel 14, are respectively C1, C2 and C3.Wherein, C1 is the air intake tangent circle, and C2 is middle tangent circle, and C3 is the outlet air end tangent circle, and these three diameter of a circles are respectively D1, D2 and D3.There are three tangent circles in the second annular heat exchange wind air channel 15, are respectively C4, C5 and C6.Wherein, C4 is the air intake tangent circle, and c5 is middle tangent circle, and C6 is the outlet air end tangent circle, and these three diameter of a circles are respectively D4, D5 and D6.There are three tangent circles in the 3rd annular heat exchange wind air channel 18, are respectively C7, C8 and C9.Wherein, C7 is the air intake tangent circle, and C8 is middle tangent circle, and C9 is the outlet air end tangent circle, and these three diameter of a circles are respectively D7, D8 and D9.Satisfy following condition between different annular heat exchange wind air channel: the tangent diameter of a circle of air intake in a plurality of annular heats exchange wind air channels and the tangent diameter of a circle of outlet air end all export 111 direction with the reduction ratio convergent of 1-20% along non-heat exchange wind inlet 122 to mixing wind, that is: D4/D7=[1-(1-20%)], D1/D4=[1-(1-20%)], D6/D9=[1-(1-20%)], D3/D6=[1-(1-20%)].As preferred embodiment, D4/D7=[1-(2-10%)], D1/D4=[1-(2-10%)] and, D6/D9=[1-(5-15%)], D3/D6=[1-(5-15%)], and D4/D7 ≠ D1/D4, D6/D9 ≠ D3/D6 is also namely with non-equal proportion convergent.
And in this embodiment, arbitrary heat exchange wind air channel self also arranges according to following condition: so that between front end ring shape wind guiding member 11 and the first intermediate annular wind guiding member 13, the formed first annular heat exchange wind air channel 14 is as example, this air channel is from its air intake 141 to outlet air end 142 convergents.
Specifically, in part radial section structural representation shown in Figure 4, the position of front end annular wind guiding member 11 and the first intermediate annular wind guiding member 13 be arranged so that between these two annular wind guiding member surfaces in the first annular heat exchange wind air channel 14 tangent diameter of a circle with the reduction ratio of 5-25% from air intake 141 to outlet air end 142 convergents, and with the reduction speed convergent of non-equal proportion.Preferred reduction ratio is 10-20%.Also namely, D3/D2=[1-(5-25%)], D2/D1=[1-(5-25%)].Preferably, D3/D2=[1-(10-20%)], D2/D1=[1-(10-20%)], and D3/D2 ≠ D2/D1.And, in this embodiment, also satisfy following relation: D3/D1=60-70% between the diameter D3 of the diameter D1 of air intake tangent circle C1 and outlet air end tangent circle C3.Preferred, D3/D1=65%.
Same, the second annular heat exchange wind air channel 15 also arranges according to above-mentioned condition, that is: D6/D5=[1-(5-25%)], D5/D4=[1-(5-25%)].Preferably, D6/D5=[1-(10-20%)], D5/D4=[1-(10-20%)], and D6/D5 ≠ D5/D4.And, D6/D4=60-70%.Preferred, D6/D4=65%.
Similar, the 3rd annular heat exchange wind air channel 18 also arranges according to above-mentioned condition, that is: D9/D8=[1-(5-25%)], D8/D7=[1-(5-25%)].Preferably, D9/D8=[1-(10-20%)], D8/D7=[1-(10-20%)], and D9/D8 ≠ D8/D7.And, D9/D7=60-70%.Preferred, D9/D7=65%.
In this embodiment, constitute air-conditioner air supply device 1 by the annular wind guiding member that adopts a plurality of single component forms, be convenient to require the structure of each annular wind guiding member of control flexibly according to air-supply, process easily each different annular wind guiding member of structure, to guarantee uniformity and the air supply velocity of air-supply.And, because each annular wind guiding member is single component, can the assembling mode of the whole air-conditioner air supply device 1 of flexible choice in air-conditioning, and then improved the scope of application of air-conditioner air supply device 1 and the production efficiency of air-conditioning.And, after adopting the heat exchange wind air channel of said structure in air-conditioner air supply device 1, not only be beneficial to the air channel circumferential direction air-out of heat exchange wind even, and can change the direction of heat exchange wind, make heat exchange wind and non-heat exchange wind all blow out along the surface of annular wind guiding member, effectively avoided because of two parts wind the collision that crosses of other than ring type wind guiding member surface in connecting the air channel to reduce the generation of the problems such as wind speed, generation noise and condensation.
In the time of in air-conditioner air supply device 1 is applied to air-conditioning, the mixing wind of front end annular wind guiding member 11 outlet 111 air outlets as whole air-conditioner air supply device 1 will seal assembling with the wind outlet that mixes of offering on front faceplate of air-conditioner; Then the non-heat exchange wind inlet 122 in end ring shape wind guiding member 12 is as the non-heat exchange wind air inlet of whole air-conditioner air supply device 1, will seal assembling with the non-heat exchange wind inlet offered on the air-conditioning postnotum.And, air channel, inside in air-conditioning will be connected by the perforation air channel in the first annular heat exchange wind air channel 14, the second annular heat exchange wind air channel 15 and the 3rd heat exchange wind air channel 18 and air-conditioner air supply device 1, so as with the heat exchange wind after the heat exchanger of air condition heat exchange in annular heat exchange wind air channel is fed through the perforation air channel.
Adopt the air-conditioner air supply device 1 of said structure in air-conditioning after, during operation of air conditioner, indoor wind enters air-conditioning inside, under the effect of blower fan, accelerates to blow to heat exchanger and carries out heat exchange.Heat exchange wind after heat exchange air channel internally blows to air-conditioner air supply device 1 and enters through each annular heat exchange wind air channel and connects the air channel, so through connect the air channel from the front end ring shape wind guiding member 11 the outlet 111 of mixing wind and the mixing wind outlet on front panel blow out.Because heat exchange wind air channel is tapering type structure, make the heat exchange wind wind speed that blows out from annular heat exchange wind air channel become large, thereby make respective annular wind guiding member surface pressing reduce and form negative pressure in connecting the air channel, the indoor wind of air-conditioning outside is as non-heat exchange wind, under the effect of negative pressure, to enter from the non-heat exchange wind inlet 122 of the non-heat exchange wind inlet on postnotum and rear end annular wind guiding member 12 and connect the air channel, and with heat exchange wind that annular heat exchange wind air channel blows out form deliver to together with mixing after wind indoor.Such mixing wind is comparatively soft, blows to the user and can feel more comfortable with it, has improved user's comfortableness experience effect.Simultaneously, the suction function suction part outside that utilizes that air air-supply arrangement 1 produces the not wind of heat exchange participates in the last air-out of air-conditioning, increase the whole intake of air-conditioning, accelerated flowing of room air, further improved the whole uniformity of room air.
At this embodiment, as preferred embodiment, in air-conditioner air supply device 1, each annular wind guiding member is shaped as annular.But be not limited to this, can also be designed to other shapes, as elliptical ring, regular polygon ring etc., also can realize technical purpose of the present utility model.
Above embodiment is only in order to illustrating the technical solution of the utility model, but not is limited; Although with reference to previous embodiment, the utility model is had been described in detail, for the person of ordinary skill of the art, still can modify to the technical scheme that previous embodiment is put down in writing, perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of the utility model technical scheme required for protection.
Claims (7)
1. the air-conditioner air supply device in a vertical air conditioner, it is characterized in that, described air-supply arrangement connects in the middle of including three at least, the annular wind guiding member of opening before and after having, each described annular wind guiding member is single component, the after-opening of described annular wind guiding member is air inlet, open front is air outlet, be arranged in order before and after described at least three annular wind guiding members, the perforation air channel that connects before and after middle formation, formation annular heat exchange wind air channel between adjacent two described annular wind guiding members, the air inlet that is positioned at the rear end annular wind guiding member of rear end is the non-heat exchange wind inlet of described air-supply arrangement, the air outlet that is positioned at the front end annular wind guiding member of front end is the mixing wind outlet of described air-supply arrangement, the volume in a plurality of described annular heat exchange wind air channel reduces gradually along the direction from described non-heat exchange wind inlet to described mixing wind outlet.
2. air-conditioner air supply device according to claim 1, it is characterized in that, described annular heat exchange wind air channel has near the outlet air end in described perforation air channel with away from the air intake in described perforation air channel, the adjacent two described annular wind guiding member surfaces that form described annular heat exchange wind air channel have the air intake tangent circle at described air intake place, and the tangent diameter of a circle of air intake in a plurality of described annular heats exchange wind air channels is along the reduction ratio convergent of the direction that exports from described non-heat exchange wind inlet to described mixing wind with 1-20%.
3. air-conditioner air supply device according to claim 2, is characterized in that, the reduction ratio of the tangent diameter of a circle of described air intake is 2-10%.
4. according to claim 2 or 3 described air-conditioner air supply devices, is characterized in that, the direction non-equal proportion convergent of the tangent diameter of a circle of described air intake from described non-heat exchange wind inlet to described mixing wind outlet.
5. air-conditioner air supply device according to claim 1, it is characterized in that, described annular heat exchange wind air channel has near the outlet air end in described perforation air channel with away from the air intake in described perforation air channel, the adjacent two described annular wind guiding member surfaces that form described heat exchange wind air channel have the outlet air end tangent circle at described outlet air end place, and the tangent diameter of a circle of outlet air end in a plurality of described annular heats exchange wind air channels is along the reduction ratio convergent of the direction that exports from described non-heat exchange wind inlet to described mixing wind with 1-20%.
6. air-conditioner air supply device according to claim 5, is characterized in that, the reduction ratio of the tangent diameter of a circle of described outlet air end is 5-15%.
7. according to claim 5 or 6 described air-conditioner air supply devices, is characterized in that, the direction non-equal proportion convergent of the tangent diameter of a circle of described outlet air end from described non-heat exchange wind inlet to described mixing wind outlet.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320314367 CN203274148U (en) | 2013-06-03 | 2013-06-03 | Air conditioner air-supplying device of vertical-type air conditioner |
| EP14807127.7A EP3006854B1 (en) | 2013-06-03 | 2014-05-23 | Air-conditioner air supply apparatus in vertical air-conditioner |
| PCT/CN2014/078208 WO2014194767A1 (en) | 2013-06-03 | 2014-05-23 | Air-conditioner air supply apparatus in vertical air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320314367 CN203274148U (en) | 2013-06-03 | 2013-06-03 | Air conditioner air-supplying device of vertical-type air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203274148U true CN203274148U (en) | 2013-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320314367 Withdrawn - After Issue CN203274148U (en) | 2013-06-03 | 2013-06-03 | Air conditioner air-supplying device of vertical-type air conditioner |
Country Status (1)
| Country | Link |
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| CN (1) | CN203274148U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453642A (en) * | 2013-06-03 | 2013-12-18 | 海尔集团公司 | Air supply device applied to floor air conditioner |
| WO2014194767A1 (en) * | 2013-06-03 | 2014-12-11 | 海尔集团公司 | Air-conditioner air supply apparatus in vertical air-conditioner |
| WO2017140224A1 (en) * | 2016-02-15 | 2017-08-24 | 珠海格力电器股份有限公司 | Air swing assembly and air-conditioner with same |
| CN114198838A (en) * | 2021-12-10 | 2022-03-18 | 浙江亚通焊材有限公司 | Local balance ventilation system of soldering paste workshop |
-
2013
- 2013-06-03 CN CN 201320314367 patent/CN203274148U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453642A (en) * | 2013-06-03 | 2013-12-18 | 海尔集团公司 | Air supply device applied to floor air conditioner |
| WO2014194767A1 (en) * | 2013-06-03 | 2014-12-11 | 海尔集团公司 | Air-conditioner air supply apparatus in vertical air-conditioner |
| CN103453642B (en) * | 2013-06-03 | 2015-10-07 | 海尔集团公司 | Air-conditioner air supply device in a kind of vertical air conditioner |
| WO2017140224A1 (en) * | 2016-02-15 | 2017-08-24 | 珠海格力电器股份有限公司 | Air swing assembly and air-conditioner with same |
| CN114198838A (en) * | 2021-12-10 | 2022-03-18 | 浙江亚通焊材有限公司 | Local balance ventilation system of soldering paste workshop |
| CN114198838B (en) * | 2021-12-10 | 2023-02-28 | 浙江亚通新材料股份有限公司 | Local balance ventilation system of soldering paste workshop |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131106 Effective date of abandoning: 20151007 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |