CN207960292U - A kind of unpowered transom window of quantity-adjustable - Google Patents
A kind of unpowered transom window of quantity-adjustable Download PDFInfo
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- CN207960292U CN207960292U CN201820098541.6U CN201820098541U CN207960292U CN 207960292 U CN207960292 U CN 207960292U CN 201820098541 U CN201820098541 U CN 201820098541U CN 207960292 U CN207960292 U CN 207960292U
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- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 238000013016 damping Methods 0.000 claims abstract description 14
- 230000005484 gravity Effects 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 230000009471 action Effects 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 13
- 241000255925 Diptera Species 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 241001416181 Axis axis Species 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
The utility model discloses a kind of unpowered transom window of quantity-adjustable.The center of gravity of transom window is located at the top of its rotation axis, when by handle open transom window in use, due to gravitational moment and reduction torsion spring collective effect, transom window is open state in outdoor calm or gentle breeze, can be to room ventilation.Since the transom window area of shaft lower part is big compared with top, and top screen window is external, built in the screen window of lower part so that the torque that outside wind pressure generates is with gravity away from the contrary, outdoor wind speed is bigger, and the aperture of transom window is smaller, and vice versa.Transom window lower window frame is aerofoil profile lower edge, it is possible to increase the opplied moment of outside wind pressure.Transom window position-limit mechanism can be according to the slewing area that the different demands of air quantity are adjusted with transom window.Opening and closing damping noise reduction using torsional spring and sealing device to transom window.Device is simple and reliable, is not required to power plant and sensor, is suitble to China's different regions large-scale use.
Description
Technical field
The utility model belongs to room ventilation field, and in particular to a kind of unpowered transom window of quantity-adjustable.
Background technology
Building needs fresh air to dilute indoor pollutant to defined concentration.Fresh air volume deficiency can lead to indoor pollutant
Content is exceeded, influences people's health and working efficiency, and overdraft can then lead to the increase of architectural energy consumption.It is logical using machinery
Though wind can stablize ventilation to interior but energy consumption is higher, it is not suitable for being widely used in China.Therefore one kind need to be developed and do not consume the energy
But it remains to maintain the metastable ventilation device of indoor fresh air amount.
It is the aperture of reasonable control window to maintain the easy mode that room ventilation amount is stablized.Existing window aperture regulation it is special
Profit and product are frequently with manually, electrically or by outside wind pressure three kinds of regulative modes of driving.The mode advantage adjusted manually is
Desired window aperture can be adjusted according to user to the different demands of air quantity；Disadvantage is that frequent artificial dry
In advance.To avoid manual intervention, numerous patents from adjusting the aperture of window, dimension in real time in such a way that Electronic control coordinates sensor
Indoor fresh air amount stabilization is held, though this mode accurately controls the unlatching size of window, the energy is consumed and structure is complex,
The reliability and economy of equipment are not ideal enough.It is necessary to develop a kind of to automatically adjust the unpowered logical of indoor fresh air amount size
Wind devices.
Current existing unpowered air quantity adjusting window is driven by outside wind pressure, mostly uses spring, ratchet etc. greatly
Mechanical transmission component is acted on spring by outdoor wind and generates deformation or make ratchet wheel, to which the aperture for changing window is big
It is small, fail the simply directly negative feedback using outside wind pressure and adjust window aperture, and auxiliary device is excessively complicated, very
To the daylighting for blocking window.The utility model devises simple horizontally pivoted window, using the acting in opposition of gravitational moment and moment of wind pressure,
The aperture of window is directly adjusted, while moment of wind pressure is increased using aerofoil profile lower edge；The window also expected by limiting device setting
Adjustable range, and reduce the impact noise that opening and closing the window generates using elastic shock-absorbing device.The device is simple and reliable, is suitable for
Large-scale promotion uses.
Utility model content
The utility model provides a kind of unpowered transom window of quantity-adjustable.When outdoor wind speed is relatively low, transom window is in most
Big aperture state, to increase the indoor fresh air volume being passed through；When outdoor wind speed increases, the torque that transom window applies in outside wind pressure is made
It is rotated under, reduces the aperture of window；When outdoor wind speed is excessive, transom window is under the action of moment of wind pressure in closing shape
State, not to room ventilation.The device can keep stablizing relatively for room fresh air volume, no any additionaling power device and monitoring sensing
Device, reliability and better economy.
The technical solution of the utility model is as follows：
A kind of unpowered transom window of quantity-adjustable, including transom window window frame, glass, transom window handle, rotation axis, position restrainer
Structure, window-frame and seal member；The transom window handle is set to transom window window frame upper, for manually opened or closing transom window；Gas
Coaxial line fixed bias circuit at left and right sides of window frame, the geometric center lines up and down that the central axes of rotation axis are located at transom window window frame are on the upper side
Position so that transom window area below rotation axis is more than top transom window area, by handle counterweight, additional counterweight or glass with
The density contrast of window frame enables the center of gravity of transom window be located at rotation axis top, when transom window enables, due to centre-of gravity shift rotation axis, in gravity
Transom window rotation is opened away under the action of；Position-limit mechanism is located in window-frame, is coated at outside transom window rotation axis, is limited by position-limit mechanism
The maximum angle that transom window is opened；Window-frame is fixed on wall or forms；The seal member is set to transom window edge, it is ensured that gas
Leakproofness when window is closed.
Further, there are two types of modes for above-mentioned position-limit mechanism, and one is including spacing ring, stop nut, adjusting nut
And gag lever post, gag lever post are fixed on adjusting nut, the maximum opening for limiting transom window, stop nut is located at adjusting nut shifting
Dynamic front end, plays the role of positioning, ensures adjusting nut when not adjusted without rotation, two nuts are all coated at
Outside spacing ring, it is connect with spacing ring by screw thread, the rotational angle of spacing ring is controlled by the way of screw-thread fit, it can
The maximum opening of continuous limitation transom window；Another kind be include spring, spacing ring, gag lever post and the position limiting pile being fixed on window-frame,
Gag lever post is fixed on spacing ring, and multiple position limiting piles are arranged on window-frame, and spring is cased in the shaft between spacing ring and transom window, is ensured
When not adjusting the rotational angle of spacing ring, gag lever post passes through the rotational angle progress to spacing ring between two position limiting piles
Stepping position is adjusted, and air quantity range is adjusted in realization；It in this way can be according to the meteorological wind speed of different regions and user to air quantity
Individual demand carries out setting selection to the air quantity adjustable range of transom window.Described two modes, which are all coated at by spacing ring, to be turned
Moving axis.
Further, position-limit mechanism is set outside the side rotation axis of above-mentioned transom window, fixed ring is set outside the rotation axis of the other side,
Fixed ring is fixed on window-frame；Torsional spring is respectively set in the spacing ring of fixed ring and position-limit mechanism, the torsional spring other end is freely
End, the other end are fixed on inside fixed ring or spacing ring；Subtracted by the spring arm and the touching of rotation axis axial cross section of torsional spring
It shakes, the torsional spring in fixed ring when transom window is closed for playing the role of damping, when transom window is closed, at the torsional spring in fixed ring
In compressive state, transom window is promoted to automatically turn in outdoor calm or gentle breeze；Torsional spring in spacing ring is used to arrive in transom window unlatching
Play the role of damping when maximum opening.
Further, the outdoor lower frame of above-mentioned transom window window frame is aerofoil profile, when ensureing that window is opened, by relatively large at this
Wind pressure, generate bigger with gravity away from opposite moment of wind pressure, to which outdoor wind speed is bigger, transom window aperture is smaller.
Further, above-mentioned rotation axis is connect with spacing ring and fixed ring using bearing, adjust rotation axis and spacing ring and
The frictional force of fixed interannular applies the damping of rotation, the frequency that adjustment transom window is rotated with outdoor weather wind speed.
Further, screen window is installed on the outside of above-mentioned rotation axis upper chambers and on the inside of bottom compartment, increase upside into windage
Power so that under outdoor wind action, the moment of wind pressure bigger suffered by the transom window of rotation axis lower part.Turn on transom window window frame simultaneously
It is equipped with elastic sealing strip or sealing net at moving axis axis, is used cooperatively with screen window, mosquito is prevented during transom window entirely rotates
Gap of the worm between transom window and screen window is got in.
Further, above-mentioned sealing device includes the gasket and indoor and outdoor frame of transom window surrounding, when ensureing that transom window is closed
Play the role of sealing positioning.The transom window surrounding has window-frame, is mountable to any position on window, is suitable in any shape
It is used on the window of formula.
The utility model has the advantages that：
1, a kind of unpowered transom window of quantity-adjustable can automatically adjust the aperture of transom window according to outdoor wind speed size, to
Indoor fresh air volume is controlled to stablize.In outdoor calm or gentle breeze, which can keep maximum opening；When outdoor wind speed increases
When, transom window is rotated by outside wind pressure, and transom window aperture reduces, to maintain ventilation quantity to stablize relatively；When outdoor wind speed is excessive
When, transom window is acted on by prodigious moment of wind pressure and is closed.The transom window is not required to power plant and biography when adjusting aperture
Sensor, without direct energy consumption.
2, the maximum opening of design transom window is adjustable state, can be according to the meteorological wind speed size of different regions and user couple
The individual demand of air quantity come adjust transom window unlatching maximum angle, to change the range of ventilation quantity.
3, it is equipped with screen window in the indoor and outdoor side of transom window, when outdoor blows air over transom window, due to the screen window position of outside
In top, ventilation resistance is increased, makes the transom window of rotation axis lower part that can be increased moment of wind pressure by relatively large wind pressure.
Further, since being mounted with screen window, avoidable mosquito gets in.
4, the outdoor lower frame of transom window window frame is designed as aerofoil profile, and when window is taken offence in outdoor wind, airfoil structure can make rotation axis
The transom window of lower part is easy to the closing adjusting of transom window by the wind pressure of bigger.
5, torsional spring, the gasket used can play the role of damping when transom window is closed, when transom window being avoided to close suddenly pair
Windowpane damages, while can also reduce the impact noise that transom window is closed and generated when opening to maximum opening.In outdoor nothing
In the case of wind or gentle breeze, torsional spring can also make transom window automatically reset as open state.Rotation axis is equipped with damping mechanism, can adjust
The frictional force that rotation axis generates is saved, to adjust the frequency of transom window rotation.
6, the transom window has rectangular outer frame, can be easily installed in any position of window, and device is simple and reliable, is suitble to China
Different regions large-scale use.
Description of the drawings
Fig. 1 is a kind of unpowered transom window overall schematic of quantity-adjustable；
Fig. 2 is a kind of unpowered transom window unlatching schematic diagram of quantity-adjustable；(a) whole, (b) side view.
Fig. 3 is a kind of unpowered transom window closing schematic diagram of quantity-adjustable；(a) whole, (b) side view.
Fig. 4 is side front view outside a kind of unpowered transom window room of quantity-adjustable；
Fig. 5 is a kind of unpowered transom window right side position-limit mechanism schematic diagram of quantity-adjustable；
Fig. 6 is a kind of unpowered transom window indoor overall schematic of quantity-adjustable；
Fig. 7 is a kind of unpowered transom window left pivot movement axis cooperation schematic diagram of quantity-adjustable；(a) when transom window is opened, (b)
When transom window is closed；
Fig. 8 is a kind of unpowered transom window right side rotation axis cooperation schematic diagram of quantity-adjustable；(a) when transom window is opened, (b)
When transom window is opened to maximum opening；
Fig. 9 is that transom window is installed on monolithic chamber inside schematic diagram when window is closed；
Figure 10 is that transom window is installed on monolithic chamber inside schematic diagram when window is opened；
Figure 11 be transom window be installed on window open when monolithic chamber on the outside of schematic diagram.
In figure：1 transom window window frame；2 glass；3 transom window handles；4 window-frame external doors；Window-frame on the right side of 5 transom windows；6 transom window restockings；7 yarns
Window；Window-frame on the left of 8 transom windows；9 transom window pedestals；10 rotation axis A；11 spacing rings；12 gaskets；Frame in 13 transom window rooms, 14 transom window rooms
Outline border；15 aerofoil profile lower frames；16 elastic sealing strips；17 position limiting piles；18 springs；19 rotation axis B；20 torsional spring A；21 fixed rings；22 turn round
Spring B；23 can open sash；24 gag lever posts.
Specific implementation mode
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
Fig. 1 is a kind of unpowered transom window overall schematic of quantity-adjustable.Including transom window window frame 1, glass 2, transom window handle
Hand 3, screen window 7, transom window rotating and limiting mechanism, sealing, damping device and surrounding window-frame.Transom window handle 3 is installed on transom window window
On frame 1, being turned on and off for transom window can be artificially controlled, is equipped on the outside of the rotation axis upper chambers of transom window and on the inside of bottom compartment
Screen window 7, screen window 7 can make transom window that can also be used at night, mosquito avoided to get in.Transom window rotating and limiting mechanism is installed on
On the right side of transom window at window-frame, position-limit mechanism can be controlled by opening window-frame external door 4.
Fig. 2 is schematic diagram when a kind of unpowered transom window of quantity-adjustable is opened.Rotation axis A10 connects with transom window window frame 1
It is integrated, can be rotated together with transom window window frame 1.Coaxial line fixed bias circuit at left and right sides of transom window window frame, the central axes of rotation axis
Transom window area below the position on the upper side of midpoint up and down of transom window window frame, rotation axis is more than top transom window area.Pass through transom window
The density contrast of 3 counterweight of handle, additional counterweight or glass 2 and 1 material of transom window window frame enables the center of gravity of transom window be located in rotation axis
Portion.Spacing ring 11 is not contacted with transom window window frame 1, is placed on the outside of rotation axis A10, is made rotation axis A10 that can be rotated around it.Limit
Gag lever post 24 on the ring 11 of position is used to limit the slewing area of transom window.
When opening transom window by transom window handle 3, since gravitational moment effect and the limitation of gag lever post 24, transom window can turn naturally
The situation as shown in Fig. 2 (b) is moved, opening area is maximum at this time.As shown in Fig. 2 (a), outdoor fresh air can be by transom window at this time
Under opening get in.And when outdoor wind speed increases, transom window is rotated under the moment loading that outside wind pressure applies, and is subtracted
The aperture of small window, since rotation axis A10 is located at transom window central axes position on the upper side so that outdoor wind acts on transom window lower half face
Product is big compared with top area；Simultaneously because have screen window 7 on the outside of rotation axis A10 upper chambers, the air intake resistance of upside is increased, and
Transom window bottom is designed with aerofoil profile lower frame 15, it is ensured that when window is opened, transom window lower part is compared with top by larger wind pressure so that gas
Window is generated with gravity under outdoor wind action away from opposite moment of wind pressure.Above-mentioned 3 points of wind pressure made suffered by transom window lower half
Larger, transom window is easier to close.When outdoor wind speed is excessive, transom window is closed under the action of moment of wind pressure, not to
Room ventilation.As shown in Figure 3.Frame 13, outdoor frame 14, elasticity are close in the surrounding of transom window installation gasket 12, transom window room simultaneously
Strip of paper used for sealing 16, it is ensured that transom window has preferable leakproofness in rotation and closing.
Fig. 4 be a kind of quantity-adjustable unpowered transom window room outside side front view, to being amplified at position-limit mechanism, then for
Position-limit mechanism schematic diagram on the right side of a kind of unpowered transom window of quantity-adjustables of Fig. 5.Gag lever post 24 as can be seen from the figure is for controlling gas
The maximum opening of window, two neighboring position limiting pile 17 can limit gag lever post 24 and turn to certain specific angles, and gas is controlled by gear
The maximum opening of window.Multiple position limiting piles 17, which are arranged, to be limited to all angles by gag lever post 24, and the maximum to adjust transom window is opened
Degree.The different demands of air quantity can be adjusted according to the meteorological wind speed size of different regions and user.Position limiting pile 17 is installed on
On the right side of transom window 5 on window-frame, the spring 18 of 11 side of spacing ring, spring 18 is placed between spacing ring 11 and transom window window frame 1, ensures
When not adjusting the rotational angle of spacing ring, gag lever post is between two position limiting piles.
Fig. 6 is a kind of unpowered transom window indoor overall schematic of quantity-adjustable.It can be by indoors will be outside window-frame
Door 4 is opened, and so that user is controlled spacing ring 11, to adjust draft range.
Fig. 7 is a kind of unpowered transom window left side damping schematic diagram of quantity-adjustable.Rotation axis on the left of transom window
There are one fixed ring 21, fixed ring 21 is installed on the window-frame 8 of left side B19 housings.Torsional spring A20, torsional spring are set in fixed ring 11
A20 is fixed in fixed ring one end, and the other end when transom window is closed for playing the role of damping noise reduction.Fig. 7 (a) opens for transom window
Qi Shi, torsional spring A20 in the raw, and when transom window is acted on by outdoor wind and will be closed with rotation axis B19 rotations, are rotated
Axis B19 can first touch the spring arm of torsional spring, and buffering transom window, which is closed, generates larger impact noise.Simultaneously as shown in Fig. 7 (b), simultaneously
When transom window is by the excessive Action of Wind pressure in outdoor, torsional spring A19 is in compressive state, if in outdoor calm or gentle breeze, in torsional spring
A19 and gravity away under collective effect so that transom window restores to the open state of certain aperture.
Fig. 8 is a kind of unpowered transom window right side damping schematic diagram of quantity-adjustable.In right side rotation axis A10 peripheral hardwares
It is equipped with spacing ring 11, as left side, torsional spring B22 is set in spacing ring 11, torsional spring B22 is fixed on spacing ring 11 one end,
The other end is for playing damping when transom window has the function that maximum opening.As shown in Fig. 8 (a), transom window does not touch spring when opening
Arm, and when transom window will open maximum opening, i.e. Fig. 8 (b), rotation axis A10 then touch spring arm, equally play the work of buffering
With, prevent transom window open to maximum opening when strike gag lever post 24 and generate larger noise.
Fig. 9,10 be respectively the closing that transom window is installed on window and unlatching overall schematic, and Figure 11 is that transom window is installed on window
Schematic diagram on the outside of monolithic chamber when family is opened.Transom window, which is installed on window, as shown in the figure can open the top of sash 23.It is available
Transom window handle 3 makes its opening and closing.If needing can directly to open the sash 23 of lower part indoors when a large amount of fresh airs.
Claims (10)
1. a kind of unpowered transom window of quantity-adjustable, which is characterized in that including transom window window frame, glass, transom window handle, rotation
Axis, position-limit mechanism, window-frame and seal member；The transom window handle is set to transom window window frame upper, for manually opened or pass
It holds one's breath window；Coaxial line fixed bias circuit at left and right sides of transom window window frame, the central axes of rotation axis are located at the geometry up and down of transom window window frame
Center line position on the upper side so that the transom window area below rotation axis is more than top transom window area, passes through handle counterweight, additional counterweight
Or the density contrast of glass and window frame, enable the center of gravity of transom window be located at rotation axis top, when transom window enables, since centre-of gravity shift rotates
Axis, gravity away under the action of transom window rotation open；Position-limit mechanism is located in window-frame, is coated at outside transom window rotation axis, passes through limit
The maximum angle that mechanism limitation transom window in position is opened；Window-frame is fixed on wall or forms；The seal member is set to transom window side
Edge ensures leakproofness when transom window is closed.
2. a kind of unpowered transom window of quantity-adjustable according to claim 1, which is characterized in that the position-limit mechanism
There are two types of modes, and one is including spacing ring, stop nut, adjusting nut and gag lever post, gag lever post is fixed on adjusting nut,
Stop nut is located at adjusting nut movement front end, and two nuts are all coated at outside spacing ring, are connect with spacing ring by screw thread, used
The mode of screw-thread fit controls the rotational angle of spacing ring；Another kind be include spring, spacing ring, gag lever post and fixation
In the position limiting pile on window-frame, gag lever post is fixed on spacing ring, and multiple position limiting piles are arranged on window-frame, is turned between spacing ring and transom window
It is cased with spring on axis, ensures that, when not adjusting the rotational angle of spacing ring, gag lever post is between two position limiting piles；Described two sides
Formula is all coated at rotation axis by spacing ring.
3. a kind of unpowered transom window of quantity-adjustable according to claim 1 or 2, which is characterized in that the side of transom window
Position-limit mechanism is set outside rotation axis, fixed ring is set outside the rotation axis of the other side, fixed ring is fixed on window-frame；In fixed ring and limit
Torsional spring is respectively set in the spacing ring of position mechanism, one end is fixed on inside fixed ring or spacing ring, and the other end is free end；
Damping is carried out by the spring arm of torsional spring and the touching of rotation axis axial cross section.
4. a kind of unpowered transom window of quantity-adjustable according to claim 1 or 2, which is characterized in that the transom window window
The outdoor lower frame of frame is aerofoil profile, when ensureing that window is opened, by relatively large wind pressure at this, generate bigger with gravity away from phase
Anti- moment of wind pressure.
5. a kind of unpowered transom window of quantity-adjustable according to claim 3, which is characterized in that the transom window window frame
Outdoor lower frame is aerofoil profile, when ensureing that window is opened, by relatively large wind pressure at this, generate bigger with gravity away from opposite
Moment of wind pressure.
6. a kind of unpowered transom window of quantity-adjustable according to claim 3, which is characterized in that the rotation axis and limit
Position ring is connected with fixed ring using bearing, and the damping of rotation axis and the frictional force application rotation of spacing ring and fixed interannular is adjusted,
The frequency that adjustment transom window is rotated with outdoor weather wind speed.
7. a kind of unpowered transom window of quantity-adjustable according to claim 5, which is characterized in that the rotation axis and limit
Position ring is connected with fixed ring using bearing, and the damping of rotation axis and the frictional force application rotation of spacing ring and fixed interannular is adjusted,
The frequency that adjustment transom window is rotated with outdoor weather wind speed.
8. a kind of unpowered transom window of quantity-adjustable according to claims 1 or 2 or 5 or 6 or 7, which is characterized in that institute
State on the outside of rotation axis upper chambers and installed on the inside of bottom compartment screen window；It is close that elasticity is equipped at transom window window frame upper rotary shaft axis simultaneously
Strip of paper used for sealing or sealing net, are used cooperatively with screen window.
9. a kind of unpowered transom window of quantity-adjustable according to claim 3, which is characterized in that the rotation axis top
Screen window is installed on the inside of outside and bottom compartment；Elastic sealing strip or sealing are equipped at transom window window frame upper rotary shaft axis simultaneously
Net is used cooperatively with screen window.
10. a kind of unpowered transom window of quantity-adjustable according to claim 4, which is characterized in that in the rotation axis
Screen window is installed on the inside of portion outside and bottom compartment；Elastic sealing strip or sealing are equipped at transom window window frame upper rotary shaft axis simultaneously
Net is used cooperatively with screen window.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820098541.6U CN207960292U (en) | 2018-01-22 | 2018-01-22 | A kind of unpowered transom window of quantity-adjustable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820098541.6U CN207960292U (en) | 2018-01-22 | 2018-01-22 | A kind of unpowered transom window of quantity-adjustable |
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| CN207960292U true CN207960292U (en) | 2018-10-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222732A (en) * | 2018-01-22 | 2018-06-29 | 大连理工大学 | A kind of unpowered transom window of quantity-adjustable |
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2018
- 2018-01-22 CN CN201820098541.6U patent/CN207960292U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222732A (en) * | 2018-01-22 | 2018-06-29 | 大连理工大学 | A kind of unpowered transom window of quantity-adjustable |
| CN108222732B (en) * | 2018-01-22 | 2023-05-12 | 大连理工大学 | Unpowered transom with adjustable air quantity |
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