CN103148569B - Air valve device - Google Patents
Air valve device Download PDFInfo
- Publication number
- CN103148569B CN103148569B CN201310105068.1A CN201310105068A CN103148569B CN 103148569 B CN103148569 B CN 103148569B CN 201310105068 A CN201310105068 A CN 201310105068A CN 103148569 B CN103148569 B CN 103148569B
- Authority
- CN
- China
- Prior art keywords
- air
- valve device
- ventilation
- paravent
- connecting rope
- 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
Landscapes
- Air-Flow Control Members (AREA)
Abstract
The invention provides an air valve device, which has the advantages of low cost, simple structure and high control precision. The air valve device is arranged in a ventilation pipeline, and is used for adjusting the size of the air volume of air entering an air inlet which is arranged at the front end of the ventilation pipeline, so the air volume of air delivered from an air delivery port which is arranged at the back end of the ventilation pipeline is constant. The air valve device is characterized in that the air valve device is provided with an air sensing part, a foldable air retaining screen, two connecting parts and two positioning parts, wherein the air sensing part is arranged at one side, near the air outlet, of the upper part in the air valve device, the air sensing part comprises a rotary shaft and an air sensing plate, the air sensing plate is connected with the rotary shaft, the foldable air retaining screen is unfolded or folded to adjust the size of the air volume of the air entering the air inlet, the two connecting parts are respectively arranged at the left side and the right side in the air valve device, and are respectively a left connecting part and a right connecting part, the connecting parts are used for connecting the foldable air retaining screen with the air sensing part, the two positioning parts are respectively and fixedly arranged at the left side and the right side in the air valve device and are respectively a left positioning part and a right positioning part, and the positioning parts extend from the bottom part to the top part in the air valve device, and are used for positioning the foldable air retaining screen.
Description
Technical field
The present invention relates to a kind of wind valve device.
Background technology
At the air outlet of air conditioner air outlet and some building, in order to regulate air quantity and maintain the constant of air quantity, generally all by being equipped with volume control damper, namely, wind valve device, existing wind valve device is mostly electromechanical integrated device, and complex structure, increases energy consumption simultaneously.
In order to simplify above-mentioned air quantity controller, someone devises the very simple gasbag-type wind valve device of one, air bag is clipped between two pieces of deep beads, and adopt air bag to respond to the wind of air inlet, thus promote deep bead motion, carry out regulating air volume by the area increasing or reduce deep bead and ventilation shaft.
Although the wind valve device structure of this airbag structure simply, does not need extra power consumption, but due to the inhomogeneities of air bag self structure, therefore, motive force can be caused uneven, thus cause and regulate throughput can not be constant, simultaneously air bag be also easily aging, there is the unfavorable conditions such as distortion, gas leakage, on the other hand, this gasbag-type wind valve device can not preset initial value, and function is very limited, control accuracy is not high, and needs periodic maintenance to overhaul.
Summary of the invention
In view of above problem, the object of the present invention is to provide a kind of with low cost, structure is simple, control accuracy is high wind valve device.
The present invention, in order to reach the above object, have employed following structure.
A kind of wind valve device of the present invention, be arranged on the inside of ventilation shaft, for regulating the air force of the air inlet being positioned at ventilation shaft front end thus making the air quantity of the air outlet being positioned at ventilation shaft rear end constant, it is characterized in that, have: wind-engaging portion, be arranged on the side of top near air outlet of ventilation shaft inside, containing turning cylinder and be connected with this turning cylinder by aerofoil, collapsible paravent, for launch or superimposed thus regulate the size of the air quantity flowed into from air inlet, two connecting portions, are separately positioned on the arranged on left and right sides of ventilation shaft inside, as left connecting portion and right connecting portion, for connecting collapsible paravent and wind-engaging portion, and two location divisions, be separately fixed at a left side for ventilation shaft inside, right both sides, as left location division and right location division, direction along the top from the bottom of ventilation shaft inside to inside extends, for positioning collapsible paravent, wherein, the two ends of turning cylinder are separately fixed at a left side for ventilation shaft, right both sides, connecting portion contains left chain wheel, right pulley and the left connecting rope be wrapped in respectively on left chain wheel and right pulley and right connecting rope, left connecting rope is connected with right part with the left part of collapsible paravent respectively with one end of right connecting rope, left connecting rope is connected with right-hand member with the left end of the bottom by aerofoil respectively with the other end of right connecting rope, by aerofoil for bearing the thrust of wind, and launched by left connecting rope and right connecting rope Foldable formula paravent or superimposed on.
Further, in wind valve device of the present invention, can also contain: ventilation configuration part, be connected with two connecting portions, for setting the size allowing ventilation.
Further, in wind valve device of the present invention, such feature can also be had: ventilation configuration part comprises left ventilation setting nut, right ventilation setting nut and for the left mark rod that identifies ventilation scale and right mark rod, left ventilation setting nut and right ventilation setting nut run through left side and the right side on the top of ventilation duct respectively, and be fixedly linked with left chain wheel and right pulley respectively, left mark rod and right mark rod set nut and right ventilation respectively and set nut subtend and arrange with left ventilation.
Further, in wind valve device of the present invention, such feature can also be had: left location division is contained the left side prelocalization plate in the front, left side being arranged on collapsible paravent and is arranged on the left side rear position plate at rear, left side of collapsible paravent, right location division is contained the right side prelocalization plate in the front, right side being arranged on collapsible paravent and is arranged on the right side rear position plate at rear, right side of collapsible paravent, left side prelocalization plate and right side prelocalization plate are arranged with left connecting rope and right connecting rope subtend respectively, and the top of ventilation shaft inside is extended to from the bottom of ventilation shaft inside.
Further, in wind valve device of the present invention, such feature can also be had: collapsible paravent comprises the rectangular slab of a plurality of head and the tail successively connection and the center connecting rope of Duo Gen certain length, center connecting rope, for connecting the geometric center of adjacent two rectangular slabs, makes the maximum angle after launching between adjacent two rectangular slabs be 60 °.
Further, in wind valve device of the present invention, can also have such feature: comprise plate body by aerofoil and be fixed on the axle sleeve of plate body upper end, the socket of this axle sleeve on the rotating shaft.
Further, in wind valve device of the present invention, such feature can also be had: rectangular slab adopts light plastic to be formed.
Further, in wind valve device of the present invention, such feature can also be had: the height that collapsible paravent launches completely adds that the vertical height in wind-engaging portion equals the height of ventilation shaft inside.
The effect of invention and effect
According to the wind valve device that the present invention relates to, because this wind valve device has wind-engaging portion, collapsible paravent, two connecting portions and two location divisions, wind-engaging portion can respond to the size of the air quantity of air inlet and utilize the motive force band rotation connection of wind to move, launched by connecting portion Foldable formula paravent again or amount to, to increase or to reduce the size that windage adjusts the air quantity in air port, therefore, this wind valve device not only structure is simple, cost is low, and do not need extra power consumption, and achieve and regulated accurately by the size of interlock to air quantity of each frame for movement, thus ensure that the constant of air force, improve accuracy and the reliability of regulation and control, simultaneously, also the service life of device is extended.
Accompanying drawing explanation
Fig. 1 is the wind valve device structural representation in an embodiment that the present invention relates to;
Fig. 2 is the wind valve device structural representation being in original state in an embodiment that the present invention relates to; And
Fig. 3 is the structural representation of the wind valve device that the present invention relates to when working in an embodiment.
Detailed description of the invention
Elaborate below in conjunction with the preferred embodiment of accompanying drawing to wind valve device involved in the present invention, but the present invention is not restricted to this embodiment.To have the present invention to make the public and understand thoroughly, in the following preferred embodiment of the present invention, describe concrete details in detail.
Embodiment
Fig. 1 is the wind valve device structural representation in an embodiment that the present invention relates to.
As shown in Figure 1, wind valve device 10 is arranged on the inside of the ventilation shaft 11 shown in figure chain lines, for regulating the air force of air inlet 12 of the front end being positioned at ventilation shaft 11, thus make the air quantity of the air outlet 13 of the rear end being positioned at pipeline 11 constant.
Wind valve device 10 has wind-engaging portion 14, collapsible paravent 15, left connecting portion 16, right connecting portion 17, left location division 18, right location division 19 and ventilation configuration part 20.
Wind-engaging portion 14 is installed in the top of ventilation shaft 11 inside near the side of air outlet 13.Wind-engaging portion 14 containing turning cylinder 21 and be connected with this turning cylinder 21 be subject to aerofoil 22.As shown in Figure 1, the two ends of turning cylinder 21 are separately fixed at the arranged on left and right sides of ventilation shaft 11.By aerofoil 22 for bearing the thrust of wind, it contains plate body 22a and is fixed on the axle sleeve 22b of this plate body 22a upper end, and this axle sleeve 22b is socketed on turning cylinder 21, and the body 22a moving axis 21 that can rotate is rotated.
Collapsible paravent 15 is for launch or superimposed thus regulate the size of the air quantity flowed into from air inlet 12.Collapsible paravent 15 comprises a plurality of rectangular slab 15a and Duo Gen certain length center connecting rope 15b.The formation accordion structure that this plurality of rectangular slab 15a connects successively from beginning to end.Center connecting rope 15b is for connecting the geometric center of adjacent two rectangular slab 15a, and make after collapsible paravent 15 launches, the maximum angle between adjacent two rectangular slab 15a is 60 °.In the present embodiment, rectangular slab 15a adopts light plastic to be formed.
In the present embodiment, the height that collapsible paravent 15 launches completely equals 2/3rds of the height of ventilation shaft 11 inside, and meanwhile, the vertical height in wind-engaging portion 14 equals 1/3rd of the height of ventilation shaft 11 inside.
As shown in Figure 1, left connecting portion 16 and right connecting portion 17 are separately positioned on the arranged on left and right sides of ventilation shaft 11 inside, for connecting collapsible paravent 15 and wind-engaging portion 14.
Left connecting portion 16 is containing left chain wheel (not shown), left connecting rope 16a and left chain wheel support 16b.Left connecting rope 16a is wrapped in left chain wheel (not shown), and its left end is connected with the left part of collapsible paravent 15, and its right-hand member is connected with the left end of the bottom by aerofoil 22.In the present embodiment, the left end of left connecting rope 16a is connected with the left end being positioned at that piece of rectangular slab 15a of the top in a plurality of rectangular slab 15a.Left chain wheel support 16b is used for supporting left chain wheel (not shown).
Right connecting portion 17 comprises right pulley (not shown), right connecting rope 17a and right pulley support 17b.Right connecting rope 17a is wrapped in right pulley (not shown), and its left end is connected with the right part of collapsible paravent 15, and its right-hand member is connected with the right-hand member of the bottom by aerofoil 22.In the present embodiment, the left end of right connecting rope 17a is connected with the right-hand member being positioned at that piece of rectangular slab 15a of the top in a plurality of rectangular slab 15a.Right pulley support 17b is used for supporting right pulley (not shown).
In the present embodiment, the motive force of wind is born by aerofoil 22, rotate around axle sleeve 22b, thus drive left connecting rope 16a and right connecting rope 17a to move, then launched by left connecting rope 16a and right connecting rope 17a Foldable formula paravent 15 or superimposed on.
Left location division 18 and right location division 19 are separately fixed at the arranged on left and right sides of the inside of ventilation shaft 11, and extend, for positioning collapsible paravent 15 along the bottom of the inside from ventilation shaft 11 to the direction at top.
Left location division 18 is containing left side prelocalization plate 18a and left side rear position plate 18b.Left side prelocalization plate 18a is arranged on the front in the left side of collapsible paravent 15, and fixes with the left side wall of the inside of ventilation shaft 11.Left side rear position plate 18b is arranged on the rear, left side of collapsible paravent 15, and fixes with the left side wall of the inside of ventilation shaft 11.In the present embodiment, left side prelocalization plate 18a extends to top from the bottom of the inside of ventilation shaft 11, thus relative with left connecting rope 16a.And in order to prevent the motion hindering left connecting rope 16a, left side rear position plate 18b only extends to middle and upper part from the bottom of the inside of ventilation shaft 11.
Right location division 19 comprises right side prelocalization plate 19a and right side rear position plate 19b.Right side prelocalization plate 19a is arranged on the front on the right side of collapsible paravent 15, and fixes with the right side wall of the inside of ventilation shaft 11.Right side rear position plate 19b is arranged on the rear, right side of collapsible paravent 15, and fixes with the right side wall of the inside of ventilation shaft 11.In the present embodiment, right side prelocalization plate 19a extends to top from the bottom of the inside of ventilation shaft 11, thus relative with right connecting rope 17a.And in order to prevent the motion hindering right connecting rope 17a, right side rear position plate 19b only extends to middle and upper part from the bottom of the inside of ventilation shaft 11.
Ventilation configuration part 20 is connected with right connecting portion 17 with left connecting portion 16, for setting the size allowing ventilation.Ventilation configuration part 20 comprises left ventilation setting nut 20a, right ventilation setting nut 20b and left mark rod 20c and right mark rod 20d.
Left ventilation setting nut 20a and right ventilation setting nut 20b runs through left side and the right side on ventilation shaft 11 top respectively, and is threaded connection with the left side on ventilation shaft 11 top and right side respectively.Meanwhile, left ventilation setting nut 20a and right ventilation setting nut 20b is fixedly linked with left chain wheel (not shown) and right pulley (not shown) respectively by left chain wheel support 16b and right pulley support 17b.Left chain wheel (not shown) and the height residing for right pulley (not shown) just can be adjusted like this by the left ventilation setting nut 20a of rotation and right ventilation setting nut 20b, and drive left connecting rope 16a and right connecting rope 17a to be moved, thus Foldable formula paravent 15 launches or amounts to, drive plate body 22a to rotate, the angle that plate body 22a and ventilation shaft 11 top are formed changes simultaneously.
Left mark rod 20c and right mark rod 20d, for identifying ventilation scale, is arranged on the outside on ventilation shaft 11 top respectively, and sets nut 20a and right ventilation respectively with left ventilation and set nut 20b subtend and arrange.
In the present embodiment, scale on left mark rod 20c and right mark rod 20d is all that test calibration is good by experiment in advance, what each scale was corresponding is when by rotating left ventilation setting nut 20a and making their height parallel with the graduation mark of this scale of expression with right ventilation setting nut 20b, the airflow value that wind valve device 10 in use can be constant.
In the present embodiment, as shown in Figure 1, first, operator is by regulating the height of left ventilation setting nut 20a and right ventilation setting nut 20b, make them all reach and corresponding left mark rod 20c and right mark rod 20d is designated the scale place that operator wants constant airflow value, so just set initial value.
Fig. 2 is the wind valve device side view being in original state in an embodiment that the present invention relates to.
Fig. 3 is the side view of the wind valve device that the present invention relates to when working in an embodiment.
Then, in the present embodiment, as shown in Figure 1, 2, 3, when wind valve device 10 is in original state, the angle of about 60 ° is formed at plate body 22a and top.Wind blows to the inside of ventilation shaft 11 from air inlet 12, when air quantity is greater than initial value, wind slurcam body 22a is rotated counterclockwise, as shown in Figure 3, at this moment, plate body 22a rotates the angle extremely forming about 90 ° with top, then left connecting rope 16a and right connecting rope 17a is driven to move right by the rotation of plate body 22a, launched by left connecting rope 16a and right connecting rope 17a Foldable formula paravent 15 again, thus increase windage, ventilation is reduced.
At this moment, the motive force of the wind that plate body 22a is subject to also reduces thereupon, then plate body 22a rotates clockwise again, then left connecting rope 16a and right connecting rope 17a is driven to be moved to the left, slightly amounted to by left connecting rope 16a and right connecting rope 17a Foldable formula paravent 15 again, thus reduce certain windage, ventilation is increased slightly.
Like this, by this wind valve device 10 according to the change of air quantity entering air inlet 12, so automatically regulate repeatedly, thus make the air quantity sent from air outlet 13 can maintain required constant airflow value.
The effect of embodiment and effect
Wind valve device involved by the present embodiment, because this wind valve device has wind-engaging portion, collapsible paravent, two connecting portions and two location divisions, wind-engaging portion can respond to the size of the air quantity of air inlet and utilize the motive force band rotation connection of wind to move, launched by connecting portion Foldable formula paravent again or amount to, to increase or to reduce the size that windage adjusts the air quantity in air port, therefore, this wind valve device not only structure is simple, cost is low, and do not need extra power consumption, and achieve and regulated accurately by the size of interlock to air quantity of each frame for movement, thus ensure that the constant of air force, improve accuracy and the reliability of regulation and control, simultaneously, also the service life of device is extended.
In addition, because in collapsible paravent, employing center connecting rope connects the geometric center of adjacent two rectangular slab 15a, make after collapsible paravent launches, maximum angle between adjacent two rectangular slabs is 60 °, thus ensure that the expansion of collapsible paravent and the process of amounting to can change to stable and uniform.
In addition, because also containing ventilation configuration part in wind valve device, therefore, this wind valve device can also set and regulate the initial value allowing ventilation.
Claims (8)
1. a wind valve device, be arranged on the inside of ventilation shaft, the air force for the wind entered the air inlet from described ventilation shaft front end regulates, thus makes the air quantity sent from the air outlet of described ventilation shaft rear end constant, it is characterized in that having:
Wind-engaging portion, the top being arranged on described inside near the side of described air outlet, containing turning cylinder and be connected with this turning cylinder by aerofoil;
Collapsible paravent, for launch or superimposed thus regulate the size of the air quantity flowed into from described air inlet;
Two connecting portions, are separately positioned on the arranged on left and right sides of described inside, as left connecting portion and right connecting portion, for connecting described collapsible paravent and described wind-engaging portion; And
Two location divisions, are separately fixed at the arranged on left and right sides of described inside, as left location division and right location division, extend along the direction from the bottom of described inside to the top of described inside, for positioning described collapsible paravent,
Wherein, the two ends of described turning cylinder are separately fixed at the arranged on left and right sides of described ventilation shaft,
Described connecting portion contains left chain wheel, right pulley and the left connecting rope be wrapped in respectively on described left chain wheel and described right pulley and right connecting rope,
Described left connecting rope is connected with right part with the left part of described collapsible paravent respectively with one end of described right connecting rope, and described left connecting rope is connected with right-hand member with the left end of the described bottom by aerofoil respectively with the other end of right connecting rope,
Described by aerofoil for bearing the thrust of described wind, and drive described collapsible paravent to launch by described left connecting rope and described right connecting rope or superimposed on.
2. wind valve device according to claim 1, is characterized in that:
Also contain: ventilation configuration part, be connected with described two connecting portions, for setting the size allowing ventilation.
3. wind valve device according to claim 2, is characterized in that:
Wherein, described ventilation configuration part comprises left ventilation setting nut, right ventilation setting nut and for the left mark rod that identifies ventilation scale and right mark rod,
Described left ventilation setting nut and described right ventilation setting nut run through left side and the right side on the top of described ventilation shaft respectively, and are fixedly linked with described left chain wheel and described right pulley respectively,
Described left mark rod and described right mark rod set nut and described right ventilation respectively and set nut subtend and arrange with described left ventilation.
4. wind valve device according to claim 1, is characterized in that:
Wherein, described left location division is contained the left side prelocalization plate in the front, left side being arranged on described collapsible paravent and is arranged on the left side rear position plate at rear, left side of described collapsible paravent, described right location division is contained the right side prelocalization plate in the front, right side being arranged on described collapsible paravent and is arranged on the right side rear position plate at rear, right side of described collapsible paravent
Described left side prelocalization plate and described right side prelocalization plate are arranged with described left connecting rope and described right connecting rope subtend respectively, and extend to the top of described inside from the bottom of described inside.
5. wind valve device according to claim 1, is characterized in that:
Wherein, described collapsible paravent comprises the rectangular slab of a plurality of head and the tail successively connection and the center connecting rope of Duo Gen certain length, described center connecting rope, for connecting the geometric center of adjacent two described rectangular slabs, makes the maximum angle after launching between adjacent two described rectangular slabs be 60 °.
6. wind valve device according to claim 1, is characterized in that:
Wherein, describedly comprise plate body by aerofoil and be fixed on the axle sleeve of described plate body upper end, this axle sleeve is socketed on described turning cylinder.
7. wind valve device according to claim 5, is characterized in that:
Wherein, described rectangular slab adopts light plastic to be formed.
8. wind valve device according to claim 1, is characterized in that:
Wherein, the height that described collapsible paravent launches completely adds that the vertical height in described wind-engaging portion equals the height of described inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310105068.1A CN103148569B (en) | 2013-03-28 | 2013-03-28 | Air valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310105068.1A CN103148569B (en) | 2013-03-28 | 2013-03-28 | Air valve device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103148569A CN103148569A (en) | 2013-06-12 |
| CN103148569B true CN103148569B (en) | 2015-03-11 |
Family
ID=48546788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310105068.1A Expired - Fee Related CN103148569B (en) | 2013-03-28 | 2013-03-28 | Air valve device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103148569B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506343B (en) * | 2018-11-26 | 2020-04-10 | 珠海格力电器股份有限公司 | Air conditioning unit air volume adjusting structure and air conditioning unit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3967779A (en) * | 1974-02-01 | 1976-07-06 | Aeronca, Inc. | Air mixing valve having a thermal motor actuator for effecting adjustment |
| CN201066179Y (en) * | 2007-06-08 | 2008-05-28 | 宁波市万杰机械制造有限公司 | Air quantity adjusting valve |
| CN201696729U (en) * | 2010-05-20 | 2011-01-05 | 中铁二院工程集团有限责任公司 | Adjusting air valve |
| CN201818806U (en) * | 2010-08-30 | 2011-05-04 | 江苏鹏飞集团股份有限公司 | Two-stage linkage air locking valve with counter weight |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090149124A1 (en) * | 2007-12-10 | 2009-06-11 | Stevenson Mark W | Variable position low profile shutter valves |
-
2013
- 2013-03-28 CN CN201310105068.1A patent/CN103148569B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3967779A (en) * | 1974-02-01 | 1976-07-06 | Aeronca, Inc. | Air mixing valve having a thermal motor actuator for effecting adjustment |
| CN201066179Y (en) * | 2007-06-08 | 2008-05-28 | 宁波市万杰机械制造有限公司 | Air quantity adjusting valve |
| CN201696729U (en) * | 2010-05-20 | 2011-01-05 | 中铁二院工程集团有限责任公司 | Adjusting air valve |
| CN201818806U (en) * | 2010-08-30 | 2011-05-04 | 江苏鹏飞集团股份有限公司 | Two-stage linkage air locking valve with counter weight |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103148569A (en) | 2013-06-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201696729U (en) | Adjusting air valve | |
| CN103993983A (en) | Parallel-air inlet type rear duct ejector in variable cycle engine adjustable mechanism | |
| CN205331050U (en) | Axial -flow fan rotating vane developments adjusting device | |
| CN103852235A (en) | Continuous wind tunnel wing type dynamic characteristic testing mechanism | |
| CN103375848A (en) | Air conditioner | |
| CN101329218A (en) | Automatic calibration and automatic measurement device of fluid flow test probe | |
| BRPI0812092B1 (en) | GAS MIXING PUMP WITH VARIABLE INJECTION SECTION | |
| CN210399379U (en) | Array vortex ring air supply device | |
| CN103148569B (en) | Air valve device | |
| CN103148224B (en) | Air valve device | |
| CN103375849A (en) | Air conditioner | |
| CN113418139A (en) | High-speed wind tunnel gust generating device based on trailing edge blowing form | |
| CN204963026U (en) | Air conditioner outdoor unit | |
| CN103148568B (en) | Negative feedback type air valve device | |
| CN103148567B (en) | Feedback adjusting type air valve device | |
| CN102841508B (en) | Shunt type air bath duct | |
| CN104724292A (en) | Bypass power device and aircraft | |
| JP2003035628A (en) | Rotary apparatus and method for wind tunnel test | |
| CN116380398A (en) | Fixed-wing unmanned plane side wind effect aerodynamic wind tunnel test device and method thereof | |
| CN208282590U (en) | A kind of air cooler air-drying device convenient for adjusting | |
| CN103868215B (en) | A kind of even distributing wind device and air distribution method thereof | |
| CN103438015B (en) | A kind of energy-efficient double suction fan | |
| CN105444383A (en) | Air port structure and air conditioner | |
| CN205066090U (en) | Amount of wind device is adjusted to straight sided axial worm | |
| CN205745465U (en) | Mixing valve structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ge Huan Inventor after: Zhong Liangwei Inventor after: Zhang Xinyi Inventor after: Ma Qiang Inventor after: Liu Shibiao Inventor after: Qiao Qiufei Inventor after: Yuan Kunkun Inventor before: Ge Huan Inventor before: Zhong Liangwei |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: GE HUAN ZHONG LIANGWEI TO: GE HUAN ZHONG LIANGWEI ZHANG XINYI MA QIANG LIU SHIBIAO QIAO QIUFEI YUAN KUNKUN |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20180328 |