CN2670811Y - Indoor air exchanger - Google Patents
Indoor air exchanger Download PDFInfo
- Publication number
- CN2670811Y CN2670811Y CNU200320130316XU CN200320130316U CN2670811Y CN 2670811 Y CN2670811 Y CN 2670811Y CN U200320130316X U CNU200320130316X U CN U200320130316XU CN 200320130316 U CN200320130316 U CN 200320130316U CN 2670811 Y CN2670811 Y CN 2670811Y
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- 244000126968 Kalanchoe pinnata Species 0.000 claims description 32
- 238000010790 dilution Methods 0.000 claims description 32
- 239000012895 dilution Substances 0.000 claims description 32
- 238000001914 filtration Methods 0.000 claims description 14
- 239000002912 waste gas Substances 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 9
- 238000000746 purification Methods 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000009413 insulation Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 206010008190 Cerebrovascular accident Diseases 0.000 description 1
- 206010070834 Sensitisation Diseases 0.000 description 1
- 208000006011 Stroke Diseases 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 230000008313 sensitization Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
Disclosed is an indoor air exchanger, comprising a main air pipe whose outdoor end is provided with at least one set of first air ports and third air ports and the indoor end is provided with at least one set of second air ports and fourth air ports, and a plurality of heat conducting pipes arranged alternately are arranged in the main air pipe. The heat conducting pipes are connected between the third air ports and the fourth air ports, and air expelling devices with opposite air directions are respectively provided between the first air ports and the second air ports and between the third air ports and the fourth ports. Through a plurality of heat conducting pipes and heat radiating fins alternately arranged in the main air pipe, the fresh air in an air intake channel and the flowing waste air in an air-out channel can sufficiently exchange the energy, and the temperature of the air entering rooms can be approximate or equal to the indoor temperature so as to avoid the cold air or hot air entering the rooms when windows are opened to exchange the air in winter and summer. Thus, the device overcomes the defects of the prior art and can keep the indoor air pure; meanwhile, the device is also able to obtain the purpose of energy saving and heat insulation.
Description
Technical field
The utility model relates to a kind of dilution air plant, refers in particular to a kind of state of temperature in the closed environment, indoor dilution air plant of energy-conserving and environment-protective of not destroying.
Background technology
As everyone knows, in the serious place of noise pollution, hot summer and cold winter, in order to make the indoor environment that can keep human body to adapt to, at present, generally the mode of Cai Yonging is a door and window in the confined chamber, convection current with noise insulation and/or minimizing indoor-outdoor air, adopt aircondition refrigeration simultaneously or heat, come the temperature in the conditioning chamber, though this mode can be brought comfortable sensation to human body, because the indoor airtight inflow that hinders outdoor fresh air causes indoor air quality worse and worse, be in the health that tends to influence human body in this environment for a long time, diseases induced.But, make the inner air and outer air circulation if regularly open door and window, though can change the bad situation of above-mentioned room air, also must pay the cost of energy loss and/or noise jamming simultaneously.
In view of this, the artificial problem that solves above-mentioned known technology existence of the design, be to be determined to be engaged in the experience that this area is researched and developed for many years, made with it, well-designedly finally after exploitation improvement repeatedly go out indoor dilution air plant of the present utility model, it can overcome the defective of above-mentioned known technology fully.
Summary of the invention
The technical problems to be solved in the utility model is: a kind of indoor dilution air plant is provided, and it can not only keep the fresh of room air, and the loss of indoor temperature is reduced as far as possible, to keep the temperature of closed environment, prevent energy loss, and simple in structure, easy to use.
Technical solution of the present utility model is: a kind of indoor dilution air plant, comprise an air main, the outdoor end of air main has at least one group first air port, the 3rd air port, the indoor end of air main has at least one group second air port, the 4th air port, and has the heat pipe that complex root is set in distance in the air main, heat pipe is connected between the 3rd air port, the 4th air port, and between first air port and second air port, be respectively equipped with the opposite wind dispelling device of wind direction between the 3rd air port and the 4th air port.
Aforesaid indoor dilution air plant, described first air port, second air port and air main constitute air intake passage, and first air port is new wind inlet, and second air port is new wind outlet; Described the 3rd air port, the 4th air port and heat pipe constitute the air-out passage, and the 3rd air port is a waste gas outlet, and the 4th air port is an exhaust gas entrance.
Aforesaid indoor dilution air plant, described first air port, second air port and air main constitute the air-out passage, and first air port is a waste gas outlet, and second air port is an exhaust gas entrance; Described the 3rd air port, the 4th air port and heat pipe constitute air intake passage, and the 3rd air port is new wind inlet, and the 4th air port is new wind outlet.
Aforesaid indoor dilution air plant, described first air port is identical or vertical mutually with the opening direction in the 3rd air port, and second air port is identical or vertical mutually with the opening direction in the 4th air port.
Aforesaid indoor dilution air plant, described wind dispelling device comprise the pressure fan of being located at new wind inlet and the exhaust blower of being located at waste gas outlet.
Aforesaid indoor dilution air plant, all sides of heat pipe are interval with radiating fin, and described radiating fin and heat pipe axially are 30 °-45 ° and are obliquely installed.
Aforesaid indoor dilution air plant, described indoor dilution air plant also are provided with a control device that is connected with described wind dispelling device.
Aforesaid indoor dilution air plant can be installed on wind direction regulating device in the new wind outlet of air intake passage and/or the exhaust gas entrance place of air-out passage.
Aforesaid indoor dilution air plant is installed on an air filtration and purification apparatus in new wind porch.
Aforesaid indoor dilution air plant is provided with air humidifying device and/or perfuming device in new wind exit.
Characteristics of the present utility model and advantage are: indoor dilution air plant of the present utility model, by plural heat pipe and the radiating fin that is provided with at interval in the air main, make fully positive energy exchange of waste gas mobile in interior fresh air of air intake passage and the air-out passage, air themperature in the inlet chamber can near or equal indoor temperature, avoid windowing in winter, summer when ventilation cold wind or the hot blast inlet chamber in, prevent that temperature from rising sharply rapid drawdown and cause a disease; But the isolated dust of the air filtration and purification apparatus filtering of new wind porch, harmful bacteria, as use medical filter screen, then can avoid sensitization, etiology to enter the room, make the air in the inlet chamber more clean, and screen replacing is convenient.Thereby overcome the defective of prior art, can make room air keep clean, can also reach the purpose of energy-saving heat preserving simultaneously, and simple in structure, install and use flexible.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Figure 1A is the structural representation of another embodiment of the present utility model;
Fig. 2 is the partial structurtes schematic diagram at A-A place among Fig. 1;
Fig. 3 is the structural representation of heat pipe in the utility model air main.
The drawing reference numeral explanation:
10, air main 11, first air port 12, second air port 13, the 3rd air port
14, the 4th air port 16, pressure fan 17, exhaust blower 18, air filter
19, control device 20, heat pipe 21, heat transmission fin 31, damping device
32, perfuming device
The specific embodiment
Following conjunction with figs. and specific embodiment are described in further detail the specific embodiment of the present utility model.
Shown in Fig. 1, Figure 1A, the indoor dilution air plant that the utility model proposes, comprise an air main 10, the outdoor end of air main 10 has at least one group first air port 11, the 3rd air port 13, the indoor end of air main 10 has at least one group second air port 12, the 4th air port 14, and has the heat pipe 20 that complex root is set in distance in the air main 10, heat pipe 20 is connected between the 3rd air port 13, the 4th air port 14, and between first air port 11 and second air port 12, be respectively equipped with the opposite wind dispelling device of wind direction between the 3rd air port 13 and the 4th air port 14.
In the present embodiment, as shown in Figure 1, the outdoor end of air main 10 has one group of first air port 11, the 3rd air port 13, the indoor end of air main 10 has one group of second air port 12, the 4th air port 14, first air port 11, second air port 12 and air main 10 constitute air intake passage, be located at the first outdoor air port 11 and be new wind inlet, second air port 12 is new wind outlet; Described the 3rd air port 13, the 4th air port 14 and heat pipe 20 constitute the air-out passage, and the 3rd air port 13 is a waste gas outlet, and the 4th air port 14 is an exhaust gas entrance.
In order to improve the heat transference efficiency of heat pipe 20, heat pipe 20 tilts and is provided with plural radiating fin 21, this radiating fin 21 can wear and be fixed on the heat pipe 21, and the angle between the axis of itself and heat pipe 20 is preferably 30 °-45 °, as shown in Figure 3, this radiating fin 21 is to be provided with at interval, and is smooth and easy mobile air main 20 in when guaranteeing that fresh air obtains the energy of heat pipe 20 and fin thereof.As shown in Figure 1, 2, radiating fin 21 can wear in the same way and be fixed on the heat pipe 21, also can be shown in Figure 1A, adjacent radiating fin 21 on the same heat pipe 20 is fixed on the heat pipe 21 for oppositely wearing mutually, make its whole corrugated channel that forms, with the flow process of lengthening fresh air, make the energy exchange of giving up in fresh air and the heat pipe 20 in the air main 10 between the wind more abundant.
Heat pipe of the present utility model is not limited to the straight tube shown in Fig. 1, Figure 1A, the shape of heat pipe 20 and set-up mode can adopt feasible or known structure arbitrarily according to the needs of installing and/or using, for example heat pipe 20 can adopt coil pipe to adapt to less installing space, also can adopt the flow process of coil with the gas of increase heat pipe 20.Simultaneously, sound arrester also can be set in air main 10 eliminate noise in this dilution air plant, to avoid causing noise pollution indoor.
Above-mentioned indoor dilution air plant also can be established a control device 19 that is connected with pressure fan 16 and exhaust blower 17, and this control device 19 can be set Multistage Control, as gentle breeze, apoplexy, high wind, control and remote control control etc. automatically.
In addition, for the wind direction is changed in the adjusting of flexible and convenient ground, also can install wind direction regulating device (figure does not show) in the new wind outlet of air intake passage and/or the exhaust gas entrance place of air-out passage, the structure of this wind direction regulating device can be identical with known technology, as be used for the adjusting fan page or leaf etc. of air-conditioning.
As shown in Figure 1, also can install an air filtration and purification apparatus 18 in new wind porch.Air filtration and purification apparatus 18 can be known air filtration and purification apparatus, as dust-break guard, air cleaner etc.Be filtering screen in the present embodiment, filtering material can adopt active carbon, and this filtering screen can be placed in the framework of new wind porch, and integral body can be inserted from new wind inlet side, and cleaning and replacing are all very convenient.For increasing filter area, reduce resistance, filtering screen can be to tilt or the corrugated setting.Filter can also use medical filter screen, thus but filtering overwhelming majority harmful bacteria.
The air inflow of pressure fan 16 preferably is equal to or greater than the capacity of exhaust blower 17, to overcome the filter screen resistance, makes indoor one-tenth barotropic state, avoids the air of outdoor filtered to enter from door, window slit.
In new wind exit air humidifying device 31 and/or perfuming device 32 can be set also.
In order to guarantee the effective conversion of cabin ventilator to indoor energy, its air main 10 can be made by heat-barrier material, as rigid plastics; Heat pipe 20 and radiating fin 21 are made by the high material of heat transfer efficiency, as aluminium alloy etc.Make the energy of the air in the heat pipe 20 fully energy be passed to the outer fresh air of heat pipe with this, make that finally the temperature of the new wind that inlet chamber is interior is roughly identical with indoor temperature by body and fin 21 thereof.
Referring to Fig. 1, when the room of sealing need change wind, at first open control device 19 and select appropriate mode, by its control pressure fan 16 and exhaust blower 17 work (as the room airtight better, also can singly use pressure fan 16 or exhaust blower 17), outdoor fresh air enters air intake passage (direction shown in the light arrow is the air intake direction the figure) by pressure fan 16 from first air port 11, through air filtration and purification apparatus 18 laggard go in the air main 10 flow to indoor, at last by in 12 inlet chambers of second air port; Simultaneously, indoor foul atmosphere enters heat pipe 20 through the 4th air port 14 under the effect of exhaust blower 17, flow to the 3rd air port 13 gradually, discharges outdoor (direction shown in the dark arrow is an air-out direction among the figure) at last, and the air output of system equals intake.Owing to fully carry out heat exchange by heat pipe 20 tube walls and radiating fin 21 when the outdoor air of different temperatures and room air flow in air main 10 and heat pipe 20, the closer to indoor place, the temperature of the two is approaching more, makes that finally the temperature of the new wind that inlet chamber is interior is roughly identical with indoor temperature.
Winter, the utility model can make the air themperature in the inlet chamber become dim when hanging down temperature; And during summer high temperature, then can make in the inlet chamber air with delivery chamber in air carry out heat exchange after the temperature step-down.Guarantee to obtain clean fresh air, guaranteeing under the healthy prerequisite, the energy that is discharged from air effectively is transferred in the fresh air in the inlet chamber, reaching its not only environmental protection but also purpose of energy saving.
Certainly, the indoor dilution air plant of said structure also can transform aforementioned air intake passage into to air-out passage, aforementioned air-out passage are used as air intake passage, and promptly fresh air is to enter air intake passage from the 3rd air port 13, at last by in 14 inlet chambers of the 4th air port; And waste gas enters the air-out passage from second air port 12, is discharged to outdoor by first air port 11 at last.Be that the heat pipe 20 interior fresh airs that flow and the waste gas of its flows outside carry out energy exchange.In the case, the position is set then should changes of pressure fan 16, exhaust blower 17 and air filtration and purification apparatus 18 will not be described in detail herein.
The utility model is simple in structure, and its installation form is versatile and flexible, both can be installed on the contact position (as the window top) of ceiling and wall, also can be installed on the corner of floor and wall; But accumbency is installed, and also can take vertical installation.Except unit uses, also can ventilation shaft be connected together in a plurality of rooms, promptly have many groups first air port 11, the 3rd air port 13 and second air port 12, the 4th air ports 14, also can shared first outdoor air port 11 and the 3rd air port 13, reduce cost of installation and use.
Though the utility model has utilized aforementioned specific embodiment to disclose in detail; right its is not in order to limit the utility model; anyly be familiar with this skill person; in not breaking away from spirit and scope of the present utility model; when doing various changes and modification, therefore protection domain of the present utility model is as the criterion when looking claims person of defining.
Claims (10)
1, a kind of indoor dilution air plant, it is characterized in that: comprise an air main, the outdoor end of air main has at least one group first air port, the 3rd air port, the indoor end of air main has at least one group second air port, the 4th air port, and has the heat pipe that complex root is set in distance in the air main, heat pipe is connected between the 3rd air port, the 4th air port, and between first air port and second air port, be respectively equipped with the opposite wind dispelling device of wind direction between the 3rd air port and the 4th air port.
2, indoor dilution air plant as claimed in claim 1 is characterized in that: described first air port, second air port and air main constitute air intake passage, and first air port is new wind inlet, and second air port is new wind outlet; Described the 3rd air port, the 4th air port and heat pipe constitute the air-out passage, and the 3rd air port is a waste gas outlet, and the 4th air port is an exhaust gas entrance.
3, indoor dilution air plant as claimed in claim 1 is characterized in that: described first air port, second air port and air main constitute the air-out passage, and first air port is a waste gas outlet, and second air port is an exhaust gas entrance; Described the 3rd air port, the 4th air port and heat pipe constitute air intake passage, and the 3rd air port is new wind inlet, and the 4th air port is new wind outlet.
4, as claim 2 or 3 described indoor dilution air plants, it is characterized in that: described first air port is identical or vertical mutually with the opening direction in the 3rd air port, and second air port is identical or vertical mutually with the opening direction in the 4th air port.
5, as claim 2 or 3 described indoor dilution air plants, it is characterized in that: described wind dispelling device comprises the pressure fan of being located at new wind inlet and the exhaust blower of being located at waste gas outlet.
6, as claim 1 or 2 or 3 described indoor dilution air plants, it is characterized in that: all sides of heat pipe are interval with radiating fin, and described radiating fin and heat pipe axially are 30 °-45 ° and are obliquely installed.
7, as claim 1 or 2 or 3 described indoor dilution air plants, it is characterized in that: described indoor dilution air plant also is provided with a control device that is connected with described wind dispelling device.
8, as claim 2 or 3 described indoor dilution air plants, it is characterized in that: can be installed on wind direction regulating device in the new wind outlet of air intake passage and/or the exhaust gas entrance place of air-out passage.
9, as claim 2 or 3 described indoor dilution air plants, it is characterized in that: be installed on an air filtration and purification apparatus in new wind porch.
10, as claim 2 or 3 described indoor dilution air plants, it is characterized in that: be provided with air humidifying device and/or perfuming device in new wind exit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200320130316XU CN2670811Y (en) | 2003-12-23 | 2003-12-23 | Indoor air exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200320130316XU CN2670811Y (en) | 2003-12-23 | 2003-12-23 | Indoor air exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2670811Y true CN2670811Y (en) | 2005-01-12 |
Family
ID=34477346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200320130316XU Expired - Fee Related CN2670811Y (en) | 2003-12-23 | 2003-12-23 | Indoor air exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2670811Y (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1320320C (en) * | 2005-07-12 | 2007-06-06 | 何京生 | Energy displacement ventilating system and spiral energy displacement device |
| WO2010083643A1 (en) * | 2009-01-21 | 2010-07-29 | Zeng Guohui | Energy saving air exchanger |
| CN103216904A (en) * | 2013-04-21 | 2013-07-24 | 山东科技大学 | Ultra-clean laboratory heat blocking ventilator |
| CN104089361A (en) * | 2014-07-22 | 2014-10-08 | 苏州西净环保科技有限公司 | Indoor and outdoor air exchange and intelligent purification system |
| CN105056693A (en) * | 2015-07-24 | 2015-11-18 | 南京西普水泥工程集团有限公司 | Gas-liquid separating device and method thereof |
| CN107449092A (en) * | 2017-07-13 | 2017-12-08 | 芜湖泰领信息科技有限公司 | Flat board tubular type new air heat-exchange system |
| CN107781938A (en) * | 2016-08-24 | 2018-03-09 | 天津海天方圆节能技术有限公司 | A kind of preparation method of energy-conserving and environment-protective wind-exchanging system |
| CN108613311A (en) * | 2018-04-28 | 2018-10-02 | 中国建筑科学研究院有限公司 | Unpowered ventilation device |
| CN110192542A (en) * | 2019-04-22 | 2019-09-03 | 嵊州陌桑高科股份有限公司 | A kind of self-circulation type side feeding system based on industrial aquaculture room |
| CN110278920A (en) * | 2019-04-22 | 2019-09-27 | 嵊州陌桑高科股份有限公司 | A kind of formula supply air system from inside to outside being assemblied in industrial aquaculture room |
| CN111023368A (en) * | 2019-12-28 | 2020-04-17 | 深圳市开普俊梦室内设计有限公司 | Building structure with temperature control device |
| CN111486539A (en) * | 2020-05-08 | 2020-08-04 | 重庆工业职业技术学院 | Fresh air supply equipment capable of recovering heat energy and preventing indoor propagation of respiratory viruses |
| CN112923482A (en) * | 2021-02-07 | 2021-06-08 | 广东钜宏科技股份有限公司 | Heat recovery's new trend energy-saving mechanism |
| CN114294753A (en) * | 2021-10-15 | 2022-04-08 | 安徽东福新材料科技有限公司 | Fresh air purification and ventilation system for PVB film production |
-
2003
- 2003-12-23 CN CNU200320130316XU patent/CN2670811Y/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1320320C (en) * | 2005-07-12 | 2007-06-06 | 何京生 | Energy displacement ventilating system and spiral energy displacement device |
| WO2010083643A1 (en) * | 2009-01-21 | 2010-07-29 | Zeng Guohui | Energy saving air exchanger |
| CN103216904A (en) * | 2013-04-21 | 2013-07-24 | 山东科技大学 | Ultra-clean laboratory heat blocking ventilator |
| CN104089361A (en) * | 2014-07-22 | 2014-10-08 | 苏州西净环保科技有限公司 | Indoor and outdoor air exchange and intelligent purification system |
| CN105056693A (en) * | 2015-07-24 | 2015-11-18 | 南京西普水泥工程集团有限公司 | Gas-liquid separating device and method thereof |
| CN107781938A (en) * | 2016-08-24 | 2018-03-09 | 天津海天方圆节能技术有限公司 | A kind of preparation method of energy-conserving and environment-protective wind-exchanging system |
| CN107449092A (en) * | 2017-07-13 | 2017-12-08 | 芜湖泰领信息科技有限公司 | Flat board tubular type new air heat-exchange system |
| CN108613311B (en) * | 2018-04-28 | 2019-03-29 | 中国建筑科学研究院有限公司 | Unpowered ventilation device |
| CN108613311A (en) * | 2018-04-28 | 2018-10-02 | 中国建筑科学研究院有限公司 | Unpowered ventilation device |
| CN110192542A (en) * | 2019-04-22 | 2019-09-03 | 嵊州陌桑高科股份有限公司 | A kind of self-circulation type side feeding system based on industrial aquaculture room |
| CN110278920A (en) * | 2019-04-22 | 2019-09-27 | 嵊州陌桑高科股份有限公司 | A kind of formula supply air system from inside to outside being assemblied in industrial aquaculture room |
| CN110192542B (en) * | 2019-04-22 | 2021-07-13 | 嵊州陌桑高科股份有限公司 | Self-circulation type lateral air supply system based on industrial culture room |
| CN111023368A (en) * | 2019-12-28 | 2020-04-17 | 深圳市开普俊梦室内设计有限公司 | Building structure with temperature control device |
| CN111023368B (en) * | 2019-12-28 | 2022-02-15 | 深圳市开普俊梦室内设计有限公司 | Building structure with temperature control device |
| CN111486539A (en) * | 2020-05-08 | 2020-08-04 | 重庆工业职业技术学院 | Fresh air supply equipment capable of recovering heat energy and preventing indoor propagation of respiratory viruses |
| CN112923482A (en) * | 2021-02-07 | 2021-06-08 | 广东钜宏科技股份有限公司 | Heat recovery's new trend energy-saving mechanism |
| CN114294753A (en) * | 2021-10-15 | 2022-04-08 | 安徽东福新材料科技有限公司 | Fresh air purification and ventilation system for PVB film production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING RUNBANG ANTAI SCIENCE CO., LTD. Free format text: FORMER OWNER: WANG JUNFENG Effective date: 20090508 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090508 Address after: Room 1, building 1, international pioneer park, No. 2303, information road, Beijing, Haidian District, China: 100085 Patentee after: Beijing Runbang Antai Technology Co., Ltd. Address before: One hundred and two thousand and six hundred Patentee before: Wang Junfeng |
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Addressee: Beijing Runbang Antai Technology Co., Ltd. Zhang Tao Document name: Notification to Pay the Fees |
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Addressee: Beijing state run Antai Technology Co., Ltd. Zhang Tao Document name: Notification of Termination of Patent Right |
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Granted publication date: 20050112 Termination date: 20111223 |