CN118361801A - A ventilation energy-saving device for green buildings - Google Patents
A ventilation energy-saving device for green buildings Download PDFInfo
- Publication number
- CN118361801A CN118361801A CN202310276023.4A CN202310276023A CN118361801A CN 118361801 A CN118361801 A CN 118361801A CN 202310276023 A CN202310276023 A CN 202310276023A CN 118361801 A CN118361801 A CN 118361801A
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- China
- Prior art keywords
- plate
- fixedly mounted
- ventilation
- energy
- box
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B17/00—Methods preventing fouling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/32—Supports for air-conditioning, air-humidification or ventilation units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/22—Cleaning ducts or apparatus
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Ventilation (AREA)
Abstract
The invention relates to the technical field of ventilation energy-saving equipment, and discloses ventilation energy-saving equipment for a green building, which comprises a box body, wherein an exhaust fan is arranged on the front surface of the box body, a protection net is fixedly arranged on the front surface of the box body, a base is fixedly arranged at the bottom of the box body, supporting legs are fixedly arranged at the bottom of the base, a collecting mechanism is arranged on the front surface of the box body, and the collecting mechanism comprises: the device comprises a supporting plate, a supporting column, a collecting box, a fixed plate, a spring, a water outlet, a movable plate and a drain pipe; the supporting plate is fixedly arranged on the front face of the box body, the supporting column is fixedly arranged on the top of the supporting plate, the collecting box is arranged on the top of the supporting plate, and the fixing plate is fixedly arranged on one side of the collecting box. The invention solves the problem that moisture is easy to accumulate on the protective net of the ventilation energy-saving equipment.
Description
Technical Field
The invention relates to the technical field of ventilation energy-saving equipment, in particular to the ventilation energy-saving equipment for a green building.
Background
With the rapid development of cities in China and the fast-paced life of citizens in large cities in China, urban buildings mainly adopt green, so-called green buildings mainly adopt three-dimensional greening, energy conservation, environmental protection and the like, but the buildings in the cities are relatively dense, so that various ventilation devices are needed to be added to the buildings to timely ventilate and ventilate the buildings.
Ventilation, also known as ventilation, is a mechanical or natural method of supplying enough fresh air to the indoor space and simultaneously exhausting dirty air which does not meet the sanitary requirements in the room, so that the indoor air meets the sanitary requirements and the production process. All facilities for completing ventilation work in building are collectively called ventilation equipment
Mechanical ventilation is to use a fan as power to cause air flow. The mechanical ventilation is not limited by natural conditions, and air supply and air exhaust can be performed according to the needs, so that a stable ventilation effect is obtained. In some cases, mechanical ventilation and natural ventilation are commonly used. Some rooms have high requirements on air environment, and do not allow ambient air to flow in (such as operating rooms of hospitals, precision instrument rooms in experimental buildings and the like), and the mechanical air supply quantity of the rooms is larger than the mechanical air exhaust quantity (or only mechanical air supply is provided, and natural air exhaust is used for all the rooms), so that the indoor pressure is larger than the atmospheric pressure. Excess air in the room can flow out of the room through doors, windows and other crevices. In some severely polluted rooms (such as toilets, kitchens, etc.), in order to prevent the dirty air therein from flowing into the surrounding space, the indoor pressure should be made smaller than the atmospheric pressure so that the dirty air in the indoor does not flow outdoors.
The invention discloses ventilation energy-saving equipment for a green building, which solves the problems that the solar power generation used at present has relatively high requirements on weather, and the solar unidirectional power generation can cause surplus electricity and waste.
However:
In addition to the above problems, the ventilation energy-saving device is easy to accumulate a large amount of moisture on the protective net due to temperature change when used in a wet area, and if the accumulated moisture is not treated, the moisture flows to the outside, thereby causing the surrounding environment to be more moist, and thus improvement is needed.
Disclosure of Invention
(One) solving the technical problems
Aiming at the defects of the prior art, the invention provides ventilation energy-saving equipment for a green building. The water collecting device has the advantages that the water accumulated on the ventilation energy-saving equipment can be collected, so that the normal operation of the ventilation energy-saving equipment is not easily affected by the water, and the normal operation of the ventilation energy-saving equipment is ensured.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a ventilation energy-saving equipment of green building, includes the box, the front of box is provided with the exhaust fan, the front fixed mounting of box has the protection network, the bottom fixed mounting of box has the base, the bottom fixed mounting of base has the supporting leg, the front of box is provided with collection mechanism, collection mechanism includes: the device comprises a supporting plate, a supporting column, a collecting box, a fixed plate, a spring, a water outlet, a movable plate and a drain pipe;
The utility model discloses a collecting box, including the collecting box, the backup pad fixed mounting is in the front of box, support column fixed mounting is at the top of backup pad, collecting box sets up at the top of backup pad, fixed plate fixed mounting is in one side of collecting box, the spring housing is established on the support column, the bottom at collecting box is seted up to the delivery port, the fly leaf passes through the hinge and articulates in the bottom of collecting box inner wall, the drain pipe runs through backup pad and backup pad intercommunication setting. The collecting mechanism is arranged to collect the moisture accumulated on the protective net.
Preferably, the cleaning mechanism is arranged on the front surface of the protective net, and the cleaning mechanism comprises: the device comprises a first mounting plate, a second mounting plate, a limiting rod, a moving block, a hairbrush, a handle, a connecting block and a connecting rod;
The first mounting plate is fixedly arranged on the front surface of the protective net, the second mounting plate is fixedly arranged on the front surface of the protective net, the limiting rod is fixedly arranged at the bottom of the first mounting plate, the bottom of the limiting rod is fixedly connected with the top of the second mounting plate, the limiting rod penetrates through the moving block and is movably connected with the moving block, the hairbrush is fixedly arranged at one side of the moving block, the handle is fixedly arranged on the front surface of the hairbrush, the connecting block is fixedly arranged on the front surface of the hairbrush, and the connecting rod is fixedly arranged at the bottom of the connecting block. The cleaning mechanism is arranged to clean the surface of the protective net.
Preferably, the damping mechanism is arranged at the top of the supporting leg, and the damping mechanism comprises: the device comprises a first baffle, a second baffle, a damper, a fixed rod and a stop block;
The first baffle is fixedly arranged at the bottom of the base, the second baffle is fixedly arranged at the top of the supporting leg, the damper is fixedly arranged at the top of the second baffle, the fixing rod is fixedly arranged at the bottom of the first baffle, and the stop block is fixedly arranged at the bottom of the fixing rod. The damping mechanism is arranged to play a role in relieving impact force received by the ventilation energy-saving equipment.
Preferably, the fixing plate is provided with a through hole, and the support column penetrates through the through hole and is movably connected with the fixing plate. The effect of moving the collection box along the support column is emphasized by the arrangement of the fixing plate and the support column.
Preferably, the top of the spring is fixedly connected with the bottom of the fixing plate, and the bottom of the spring is fixedly connected with the top of the supporting plate. The spring is arranged to push the collecting box back to the original position.
Preferably, the diameter of the drain pipe is smaller than that of the water outlet, and the bottom of the movable plate is in contact with the top of the water outlet. The water in the collecting box is guided to the outside through the drain pipe.
Preferably, the back of the brush is contacted with the front surface of the protective net. The brush is arranged to clean the surface of the protective net.
Preferably, the bottom of connecting rod and the top fixed connection of collecting box, the quantity of connecting rod is two, and two connecting rods are all fixed mounting at the top of collecting box. The connecting rod is arranged to play a role in connecting with the top of the collecting box.
Preferably, the top of the damper is fixedly connected with the bottom of the first baffle plate. The damper is arranged to absorb impact.
Preferably, the fixed rod penetrates through the second baffle and is movably connected with the second baffle, the stop block is fixedly arranged at the bottom of the fixed rod, and the top of the stop block is in contact with the bottom of the second baffle. The fixed rod is arranged to prevent the second baffle from deviating from the original position.
(III) beneficial effects
Compared with the prior art, the invention provides the ventilation energy-saving equipment for the green building, which has the following beneficial effects:
1. According to the ventilation energy-saving equipment for the green building, the collecting mechanism is arranged to collect the moisture accumulated on the protective net, so that the moisture accumulated on the protective net can enter the collecting box under the action of gravity, and the moisture accumulated on the protective net can be prevented from flowing to the outside; the collecting box is arranged to collect moisture, and when a large amount of moisture is stored in the collecting box, the collecting box can be driven to move downwards along the supporting column, so that the top of the drain pipe penetrates through the water outlet and lifts the movable plate, and the moisture in the collecting box flows to a designated position through the drain pipe.
2. According to the ventilation energy-saving equipment for the green building, the cleaning mechanism is arranged to clean the protective net, so that a large amount of dirt is not easy to accumulate on the protective net, and the protective net is prevented from being blocked by the dirt; the brush is arranged to play a role in cleaning the surface of the protective net, so that dirt is not easy to accumulate on the surface of the protective net, and the effect of guaranteeing the surface cleaning of the protective net is achieved.
3. According to the ventilation energy-saving equipment for the green building, the damping mechanism is arranged to play a role in relieving impact force received by the ventilation energy-saving equipment, so that normal operation of the ventilation energy-saving equipment is not easily affected by the impact force, and safety of the ventilation energy-saving equipment is guaranteed; the damper is arranged to absorb impact force, so that impact is not easy to be directly conducted to the ventilation energy-saving equipment, normal operation of the ventilation energy-saving equipment is not easy to be affected by the impact force, and the safety of the channel energy-saving equipment is guaranteed.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a bottom view of the present invention;
FIG. 5 is an enlarged view of the invention at A;
FIG. 6 is an enlarged view of the invention at B;
fig. 7 is an enlarged view of the invention at C.
In the figure: 1. a case; 2. an exhaust fan; 3. a protective net; 4. a base; 5. support legs; 6. a collection mechanism; 7. a cleaning mechanism; 8. a damping mechanism; 601. a support plate; 602. a support column; 603. a collection box; 604. a fixing plate; 605. a spring; 606. a water outlet; 607. a movable plate; 608. a drain pipe; 701. a first mounting plate; 702. a second mounting plate; 703. a limit rod; 704. a moving block; 705. a brush; 706. a handle; 707. a connecting block; 708. a connecting rod; 801. a first baffle; 802. a second baffle; 803. a damper; 804. a fixed rod; 805. and a stop block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Example 1
As shown in fig. 1,2 and 5, the invention provides a ventilation energy-saving device for a green building, which comprises a box body 1, wherein an exhaust fan 2 is arranged on the front surface of the box body 1, a protection net 3 is fixedly arranged on the front surface of the box body 1, a base 4 is fixedly arranged at the bottom of the box body 1, supporting legs 5 are fixedly arranged at the bottom of the base 4, a collecting mechanism 6 is arranged on the front surface of the box body 1, and the collecting mechanism 6 comprises: the collecting mechanism 6 is arranged to collect water accumulated on the protective net 3, so that the accumulated water on the protective net 3 can enter the collecting box 603 under the action of gravity, the water accumulated on the protective net 3 can be prevented from flowing to the outside, the supporting plate 601 is fixedly arranged on the front surface of the box body 1, the supporting column 602 is fixedly arranged on the top of the supporting plate 601, the collecting box 603 is arranged on the top of the supporting plate 601, the collecting box 603 plays a role of collecting water through the collecting box 603, when a large amount of water is stored in the collecting box 603, the collecting box 603 can be driven to move downwards along the supporting column 602, the top of the water discharging pipe 608 penetrates through the water outlet 606 and lifts the movable plate 607, the water in the collecting box 603 flows to a specified position through the water discharging pipe 608, the effect of preventing the surrounding environment from being more moist is achieved, the fixing plate 604 is fixedly arranged on one side of the collecting box 603, the supporting column 601 is fixedly arranged on the front surface of the box 1, the supporting column 602 penetrates through the through hole and the fixing plate 604 to be movably connected with the top of the supporting plate 601, the diameter of the collecting box 603 is small, the diameter of the collecting box 603 is smaller than the diameter of the hinge, and the diameter of the collecting box is small, and the diameter of the collecting box is connected with the bottom of the collecting box 603.
In the present embodiment, the collection mechanism 6 is provided to collect the moisture accumulated on the protection net 3, so that the moisture accumulated on the protection net 3 can enter the collection box 603 under the action of gravity; the collecting box 603 is arranged to collect moisture, when a large amount of moisture is stored in the collecting box 603, the collecting box 603 can be driven to move downwards along the supporting columns 602, the top of the water draining pipe 608 penetrates through the water outlet 606 and lifts the movable plate 607, the moisture in the collecting box 603 flows to a designated position through the water draining pipe 608, and the effect of preventing the moisture from making the surrounding environment more moist is achieved.
Example 2
As shown in fig. 1, 3 and 6, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the cleaning mechanism 7 is disposed on the front surface of the protection net 3, and the cleaning mechanism 7 includes: the cleaning device comprises a first mounting plate 701, a second mounting plate 702, a limiting rod 703, a moving block 704, a hairbrush 705, a handle 706, a connecting block 707 and a connecting rod 708, wherein the cleaning device 7 is arranged to clean the protective net 3, so that a large amount of dirt is not easy to accumulate on the protective net 3, the cleaning device is beneficial to preventing the dirt from blocking the protective net 3, the first mounting plate 701 is fixedly mounted on the front surface of the protective net 3, the second mounting plate 702 is fixedly mounted on the front surface of the protective net 3, the limiting rod 703 is fixedly mounted at the bottom of the first mounting plate 701, the bottom of the limiting rod 703 is fixedly connected with the top of the second mounting plate 702, the limiting rod 703 penetrates through the moving block 704 and is movably connected with the moving block 704, the hairbrush 705 is fixedly mounted on one side of the moving block 704, the back of the hairbrush 705 is in contact with the front surface of the protective net 3, the hairbrush 705 is used for cleaning the surface of the protective net 3 through the hairbrush 705, the cleaning device is used for ensuring the cleaning of the surface of the protective net 3, the hairbrush 706 is driven by the handle 706 to move along the limiting rod 703, the surface of the limiting rod 703 is used for moving on the front surface of the protective net 3, the hairbrush 705 is fixedly mounted on the front surface of the connecting block 708 is fixedly mounted on the top of the connecting block 708, and the connecting block 708 is fixedly mounted on the top of the connecting block 708 is fixedly connected with the connecting block 708.
In the embodiment, the cleaning mechanism 7 is arranged to clean the protective net 3, so that a large amount of stains are not easy to accumulate on the protective net 3; the hairbrushes 705 play a role in cleaning the surface of the protective net 3, so that dirt is not easy to accumulate on the surface of the protective net 3, and the surface cleaning of the protective net 3 is guaranteed; the handle 706 is arranged to drive the brush 705 to move along the limit rod 703 through the moving block 704, so that the brush 705 moves on the surface of the protective net 3, and the cleaning effect on the surface of the protective net 3 is achieved.
Example 3
As shown in fig. 1, 4 and 7, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the damping mechanism 8 is provided at the top of the support leg 5, and the damping mechanism 8 includes: the baffle I801, the baffle II 802, the attenuator 803, the dead lever 804, the dog 805 has played the effect of reducing the impact force that ventilating energy-saving equipment received through setting up damper 8, make ventilating energy-saving equipment's normal work be difficult to receive the influence of impact force, be favorable to guaranteeing ventilating energy-saving equipment's security, baffle I801 fixed mounting is in the bottom of base 4, baffle II 802 fixed mounting is at the top of supporting leg 5, attenuator 803 fixed mounting is at the top of baffle II 802, the top of attenuator 803 and the bottom fixed connection of baffle I801, through setting up the effect of absorbing impact, make the impact be difficult to direct conduction to ventilating energy-saving equipment, make ventilating energy-saving equipment's normal work be difficult to receive the influence of impact force, the effect of guaranteeing passageway energy-saving equipment's security has been played, dead lever 804 fixed mounting is in the bottom of baffle I801, dog 805 fixed mounting dead lever 804, dead lever 804 runs through baffle II 802 and baffle II 802 swing joint, dog 805 fixed mounting is in the bottom of dead lever 804, the top of dog 805 and the bottom contact of baffle II 802.
In the embodiment, the damping mechanism 8 is arranged to play a role in relieving the impact force received by the ventilation energy-saving equipment, so that the normal operation of the ventilation energy-saving equipment is not easily affected by the impact force; the damper 803 is arranged to absorb impact force, so that impact is not easy to be directly conducted to the ventilation energy-saving equipment, normal operation of the ventilation energy-saving equipment is not easy to be affected by the impact force, and safety of the channel energy-saving equipment is guaranteed.
The working principle of the ventilating energy-saving equipment for the green building is specifically described below.
As shown in fig. 1-7, when the air conditioner is used, moisture accumulated on the protective net 3 enters the inside of the collecting box 603 under the action of gravity, so that the collecting box 603 plays a role in collecting moisture, when a large amount of moisture is stored in the collecting box 603, the collecting box 603 can be driven to move downwards along the supporting columns 602, the top of the water draining pipe 608 penetrates through the water outlet 606 and lifts the movable plate 607, the moisture in the collecting box 603 flows to a designated position through the water draining pipe 608, the effect of preventing the moisture from making the surrounding environment more moist is achieved, the handle 706 is arranged, the handle 706 is used for driving the brush 705 to move along the limiting rod 703 through the moving block 704, the brush 705 moves on the surface of the protective net 3, the effect of cleaning the surface of the protective net 3 is achieved, when the sufficient moisture is stored in the collecting box 603, the collecting box 603 moves downwards along the supporting columns 602 under the action of gravity, the connecting rod 708 drives the brush 705 to move along the limiting rod 703, the effect of cleaning the surface of the protective net 3 is achieved, the brush 705 is prevented from flowing to the designated position through the water draining pipe 608, the effect is achieved, the effect of preventing the surrounding environment from being more moist is achieved, the air conditioner is not affected by the energy-saving equipment, and the air conditioner is not affected by the energy-saving and is not directly being impacted by the air conditioner, and is not affected by the air conditioner, and is not normally due to the air-saving and the air.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310276023.4A CN118361801A (en) | 2023-03-21 | 2023-03-21 | A ventilation energy-saving device for green buildings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310276023.4A CN118361801A (en) | 2023-03-21 | 2023-03-21 | A ventilation energy-saving device for green buildings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118361801A true CN118361801A (en) | 2024-07-19 |
Family
ID=91881121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310276023.4A Withdrawn CN118361801A (en) | 2023-03-21 | 2023-03-21 | A ventilation energy-saving device for green buildings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118361801A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2107787A (en) * | 1981-10-08 | 1983-05-05 | Wright Barry Corp | Vibration-isolating seal for mounting fans and blowers |
| CN113701265A (en) * | 2021-10-28 | 2021-11-26 | 南通正德江海机械制造有限公司 | Dehumidification ventilation equipment between storing of mill |
| CN216868735U (en) * | 2022-01-06 | 2022-07-01 | 厦门今夏新风空调有限公司 | Purified fan case |
| CN216973580U (en) * | 2022-03-12 | 2022-07-15 | 威海建设集团股份有限公司 | Rainwater collection device for civil engineering |
-
2023
- 2023-03-21 CN CN202310276023.4A patent/CN118361801A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2107787A (en) * | 1981-10-08 | 1983-05-05 | Wright Barry Corp | Vibration-isolating seal for mounting fans and blowers |
| CN113701265A (en) * | 2021-10-28 | 2021-11-26 | 南通正德江海机械制造有限公司 | Dehumidification ventilation equipment between storing of mill |
| CN216868735U (en) * | 2022-01-06 | 2022-07-01 | 厦门今夏新风空调有限公司 | Purified fan case |
| CN216973580U (en) * | 2022-03-12 | 2022-07-15 | 威海建设集团股份有限公司 | Rainwater collection device for civil engineering |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20240719 |