CN112550721A - Pipeline formula pollutant processing apparatus that double flow says and switch - Google Patents
Pipeline formula pollutant processing apparatus that double flow says and switch Download PDFInfo
- Publication number
- CN112550721A CN112550721A CN202011304046.4A CN202011304046A CN112550721A CN 112550721 A CN112550721 A CN 112550721A CN 202011304046 A CN202011304046 A CN 202011304046A CN 112550721 A CN112550721 A CN 112550721A
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- flow
- central
- pollutant
- flow passage
- peripheral
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D13/00—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft
- B64D13/06—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft the air being conditioned
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D13/00—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft
- B64D13/06—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft the air being conditioned
- B64D2013/0603—Environmental Control Systems
- B64D2013/0651—Environmental Control Systems comprising filters, e.g. dust filters
Abstract
The invention relates to a pipeline type pollutant treatment device with double-flow switching. The pipeline formula pollutant processing apparatus that double-flow-passage switches includes central flow passage and peripheral flow passage, central flow passage is located pipeline formula pollutant processing apparatus's central authorities, just be equipped with in the central flow passage and be used for realizing the case of central flow passage break-make, peripheral flow passage nestification is in outside the central flow passage, just the filter media is equipped with in the peripheral flow passage, central flow passage with separate by the cylindric grid tray between the peripheral flow passage. According to the technical scheme, the invention can achieve the following beneficial technical effects: low flow resistance characteristics and contaminant control are considered for different upstream contamination conditions.
Description
Technical Field
The invention relates to the technical field of aviation, in particular to a pipeline type pollutant treatment device with double-flow-channel switching.
Background
The air source of the traditional civil aircraft environmental control system is from engine bleed air, and the quality of the bleed air can directly influence the quality of air sent into a cabin from the downstream. The contaminants in the bleed air are of a wide variety and the source of the contaminants is non-continuous and can vary widely with different flight phases. For example, fuel vapors or oil vapors may escape to the bleed ports when the engine is just started or shut down, but are otherwise difficult to occur; atmospheric pollution from the outside of the cabin, such as PM2.5, PM10, nitrogen oxides, etc., will be sucked into the bleed air ports with the engine while waiting on the ground, while the content of these substances is low during air cruising.
For these pollution sources with non-sustained release, if a pollutant treatment device is added to the environmental control system (generally by filtration or adsorption treatment means), the flow resistance of the system under all conditions will inevitably increase, resulting in waste.
Disclosure of Invention
An object of the present invention is to provide a dual-channel switching pipeline type pollutant treating device, which can solve the problems of the prior art and achieve both low flow resistance and pollutant control under different upstream pollution conditions.
The above object of the present invention is achieved by a dual-channel switching pipeline type pollutant processing device, which comprises a central channel and a peripheral channel, wherein the central channel is located in the center of the pipeline type pollutant processing device, a valve core for realizing the on-off of the central channel is arranged in the central channel, the peripheral channel is nested outside the central channel, a filter material is arranged in the peripheral channel, and the central channel and the peripheral channel are separated by a cylindrical grid plate.
According to the technical scheme, the pipeline type pollutant treatment device with double-flow switching can achieve the following beneficial technical effects: low flow resistance characteristics and contaminant control are considered for different upstream contamination conditions.
Specifically, when no (or almost no) pollutant is released upstream, the central flow channel is opened, which is the main flow path of the fluid and ensures low flow resistance in the pipeline; when the pollutants are released in the upstream, the central flow passage is closed through the valve core, the flow passage of the fluid is switched to the peripheral flow passage, and the peripheral flow passage has the function of treating the pollutants. Through the flow channel switching, the low flow resistance characteristic and the pollutant control under different upstream pollution states can be considered, the treatment of pollutants under specific working conditions can be finished, and the flow resistance of the system can not be increased when no pollutants exist.
Preferably, the ducted pollutant treating device is operable in a low flow resistance flow through mode in which the valve element is open, the central flow passage is open and a majority of the fluid flows through the central flow passage; in the pollutant processing mode, the valve core is closed, the central flow channel is closed, fluid flows into the peripheral flow channel from the central flow channel through the cylindrical grid plate, and the filter material in the peripheral flow channel is used for filtering or adsorbing pollutants in the fluid.
According to the technical scheme, the pipeline type pollutant treatment device with double-flow switching can achieve the following beneficial technical effects: the system can be flexibly switched to a low flow resistance circulation mode or a pollutant treatment mode according to different upstream pollution states, so that the low flow resistance characteristic and the pollutant control are taken into consideration.
Preferably, the cylindrical grid is mounted between the upstream and downstream conduits, the central flow passage being defined by the cylindrical grid.
According to the technical scheme, the pipeline type pollutant treatment device with double-flow switching can achieve the following beneficial technical effects: the cylindrical baffle can separate the central flow passage from the peripheral flow passage and ensure that fluid can flow from the central flow passage through the cylindrical baffle into the peripheral flow passage in the pollutant treating mode.
Preferably, the pipe-line pollutant treating device further comprises a housing mounted between the upstream and downstream pipes, the peripheral flow path being defined by the housing and the cylindrical grid.
According to the technical scheme, the pipeline type pollutant treatment device with double-flow switching can achieve the following beneficial technical effects: the peripheral flow passages can be defined by the housing and the cylindrical baffle, and ensure that fluid can flow from the central flow passage through the cylindrical baffle into the peripheral flow passages in the pollutant treating mode.
Preferably, a plurality of holes or slits are arranged in the wall of the cylindrical grid plate.
According to the technical scheme, the pipeline type pollutant treatment device with double-flow switching can achieve the following beneficial technical effects: the holes or slots in the wall of the cylinder allow communication between the central flow channel and the peripheral flow channels, if necessary.
Preferably, the ratio of the total area of the plurality of holes or slits in the cylindrical grid to the total side area of the cylindrical grid is 0.3: 1-0.5: 1.
according to the technical scheme, the pipeline type pollutant treatment device with double-flow switching can achieve the following beneficial technical effects: through the better ratio range of the total area of the holes or the slits to the total side area of the cylindrical grid plate, not only can most of the fluid in the low-flow-resistance circulation mode be ensured to flow through the central flow passage, but also the fluid in the pollutant treatment mode can be ensured to flow into the peripheral flow passage from the central flow passage through the cylindrical grid plate.
Preferably, the ratio of the total area of the plurality of holes or slits in the cylindrical grid to the total side area of the cylindrical grid is 0.4: 1.
according to the technical scheme, the pipeline type pollutant treatment device with double-flow switching can achieve the following beneficial technical effects: through the better ratio of the total area of the holes or the slits to the total side area of the cylindrical grid plate, the flow-resistant device can better ensure that most of the fluid flows through the central flow passage in the low-flow-resistance flow mode and can also better ensure that the fluid flows into the peripheral flow passage from the central flow passage through the cylindrical grid plate in the pollutant treatment mode.
Preferably, the pipe-line type pollutant treating device further comprises a valve rod and an actuator, wherein the valve rod is arranged along the radial direction of the device, one end of the valve rod is connected to the valve core, and the other end of the valve rod is connected to the actuator positioned outside the shell.
According to the technical scheme, the pipeline type pollutant treatment device with double-flow switching can achieve the following beneficial technical effects: the valve core can be opened/closed better, and the central flow passage can be switched on/off better.
Preferably, the filter material is a HEPA filter element or activated carbon.
According to the technical scheme, the pipeline type pollutant treatment device with double-flow switching can achieve the following beneficial technical effects: through suitable filter media, better filtration or adsorption treatment is carried out to the pollutant in the fluid in the pollutant treatment mode.
Preferably, the ducted pollutant treating device further comprises a sensor mounted in the upstream duct to sense pollutants in the upstream fluid in real time to switch to the low flow resistance flow-through mode or the pollutant treating mode, respectively.
According to the technical scheme, the pipeline type pollutant treatment device with double-flow switching can achieve the following beneficial technical effects: by sensing the pollutants in the upstream fluid in real time, the low flow resistance circulation mode or the pollutant treatment mode can be switched to more timely according to different upstream pollution states.
Drawings
Fig. 1 is a schematic diagram of a dual-channel switching pipeline type pollutant treating device in a low flow resistance circulation mode according to an embodiment of the invention.
Fig. 2 is a schematic diagram of a dual-flow-path switching pipeline pollutant treating device according to an embodiment of the present invention in a pollutant treating mode.
List of reference numerals
1. A housing;
2. a valve core;
3. a cylindrical grid plate;
4. a filter material;
5. an actuator;
6. a pipe connection;
7. a sensor;
11. an upstream line;
12. a downstream pipeline.
Detailed Description
While specific embodiments of the invention will be described below, it should be noted that in the course of the detailed description of these embodiments, in order to provide a concise and concise description, all features of an actual implementation may not be described in detail. It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions are made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which may vary from one implementation to another. Moreover, it should be further appreciated that such a development effort might be complex and tedious, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, and thus should not be construed as a complete understanding of this disclosure.
Unless otherwise defined, technical or scientific terms used in the claims and the specification should have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description and claims of the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The terms "a" or "an," and the like, do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalent, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, nor are they restricted to direct or indirect connections.
Fig. 1 is a schematic diagram of a dual-channel switching pipeline type pollutant treating device in a low flow resistance circulation mode according to an embodiment of the invention. Fig. 2 is a schematic diagram of a dual-flow-path switching pipeline pollutant treating device according to an embodiment of the present invention in a pollutant treating mode.
As shown in fig. 1-2, according to an embodiment of the present invention, a dual-channel switching pipeline pollutant processing device includes a central channel and a peripheral channel, the central channel is located at the center of the pipeline pollutant processing device, a valve core 2 for switching the central channel is installed in the central channel, the peripheral channel (e.g., an annular peripheral channel) is nested outside the central channel, a filter material 4 is installed in the peripheral channel, and the central channel and the peripheral channel are separated by a cylindrical grid plate 3.
According to the technical scheme, the pipeline type pollutant treatment device with double-flow switching can achieve the following beneficial technical effects: low flow resistance characteristics and contaminant control are considered for different upstream contamination conditions.
Specifically, when no (or almost no) pollutant is released upstream, the central flow channel is opened, which is the main flow path of the fluid and ensures low flow resistance in the pipeline; when the pollutants are released in the upstream, the central flow passage is closed through the valve core, the flow passage of the fluid is switched to the peripheral flow passage, and the peripheral flow passage has the function of treating the pollutants. Through the flow channel switching, the low flow resistance characteristic and the pollutant control under different upstream pollution states can be considered, the treatment of pollutants under specific working conditions can be finished, and the flow resistance of the system can not be increased when no pollutants exist.
Preferably, the pipe-in-pipe type pollutant treating device can work in a low flow resistance flow-through mode and a pollutant treating mode, in the low flow resistance flow-through mode, as shown in fig. 1, the valve core 2 is opened, the central flow passage is in flow communication, and most of the fluid flows through the central flow passage; in the pollutant treating mode, as shown in fig. 2, the valve core 2 is closed, the central flow passage is closed, the fluid flows from the central flow passage into the peripheral flow passage through the cylindrical grid plate 3, and the filtering material 4 in the peripheral flow passage filters or adsorbs pollutants in the fluid.
According to the technical scheme, the pipeline type pollutant treatment device with double-flow switching can achieve the following beneficial technical effects: the system can be flexibly switched to a low flow resistance circulation mode or a pollutant treatment mode according to different upstream pollution states, so that the low flow resistance characteristic and the pollutant control are taken into consideration. That is, in a state where no (or almost no) contaminants are released upstream, the low flow resistance circulation mode is switched; and switching to a pollutant treatment mode in a state that pollutants are released upstream.
Preferably, as shown in fig. 1-2, the cylindrical baffle 3 is installed between the upstream pipe line 11 and the downstream pipe line 12, and the central flow passage is defined by the cylindrical baffle 3.
According to the technical scheme, the pipeline type pollutant treatment device with double-flow switching can achieve the following beneficial technical effects: the cylindrical baffle can separate the central flow passage from the peripheral flow passage and ensure that fluid can flow from the central flow passage through the cylindrical baffle into the peripheral flow passage in the pollutant treating mode.
Preferably, as shown in fig. 1-2, the pipe-line type pollutant treating device further comprises a housing 1 installed between the upstream pipe line 11 and the downstream pipe line 12, and a peripheral flow passage is defined by the housing 1 and the cylindrical grid 3.
According to the technical scheme, the pipeline type pollutant treatment device with double-flow switching can achieve the following beneficial technical effects: the peripheral flow passages can be defined by the housing and the cylindrical baffle, and ensure that fluid can flow from the central flow passage through the cylindrical baffle into the peripheral flow passages in the pollutant treating mode.
Preferably, as shown in fig. 1-2, the housing 1 is the outer structure of the device, and may be a cylinder, sphere, cone or other shape that is easy to install. Preferably, as shown in fig. 1-2, the housing 1 is connected to an upstream pipeline 11 and a downstream pipeline 12 by pipeline connections 6.
Preferably, as shown in fig. 1-2, the cylindrical grid 3 has a plurality of holes or slits in the wall.
According to the technical scheme, the pipeline type pollutant treatment device with double-flow switching can achieve the following beneficial technical effects: the holes or slots in the wall of the cylinder allow communication between the central flow channel and the peripheral flow channels, if necessary.
Preferably, as shown in fig. 1-2, the cylindrical grid 3 is a rigid pipe with a plurality of holes or slits on the wall, and the cross-sectional dimension of the cylindrical grid 3 is the same as that of the upstream pipe 11 and the downstream pipe 12. The cylindrical grid 3 is an interface member that separates the central flow passage from the peripheral flow passage.
Preferably, the ratio of the total area of the plurality of holes or slits in the cylindrical grid 3 to the total side area of the cylindrical grid 3 is 0.3: 1-0.5: 1. that is, the ratio of the total area of the plurality of holes or slits in the cylindrical grid 3 to the total side area of the cylindrical grid 3 is 0.3: 1, the maximum value of the ratio of the total area of the plurality of holes or slits in the cylindrical grid 3 to the total side area of the cylindrical grid 3 is 0.5: 1.
according to the technical scheme, the pipeline type pollutant treatment device with double-flow switching can achieve the following beneficial technical effects: through the better ratio range of the total area of the holes or the slits to the total side area of the cylindrical grid plate, not only can most of the fluid in the low-flow-resistance circulation mode be ensured to flow through the central flow passage, but also the fluid in the pollutant treatment mode can be ensured to flow into the peripheral flow passage from the central flow passage through the cylindrical grid plate.
Preferably, the ratio of the total area of the plurality of holes or slits in the cylindrical grid 3 to the total side area of the cylindrical grid 3 is 0.4: 1.
according to the technical scheme, the pipeline type pollutant treatment device with double-flow switching can achieve the following beneficial technical effects: through the better ratio of the total area of the holes or the slits to the total side area of the cylindrical grid plate, the flow-resistant device can better ensure that most of the fluid flows through the central flow passage in the low-flow-resistance flow mode and can also better ensure that the fluid flows into the peripheral flow passage from the central flow passage through the cylindrical grid plate in the pollutant treatment mode.
Of course, the ratio of the total area of the holes or slits to the total side area of the cylindrical grid plate (0.4: 1) is only a preferred ratio for the dual-channel switching pipe-type pollutant treating device of the present application, and it will be understood by those skilled in the art based on the disclosure of the present application that other suitable ratios (0.35: 1, 0.45: 1, etc.) may be used without departing from the scope of the claims of the present application.
Preferably, as shown in fig. 1-2, the pipe-line type pollutant treating device further comprises a valve stem installed in a radial direction of the device, and having one end connected to the valve cartridge 2 and the other end connected to the actuator 5 located outside the housing 1, and an actuator 5.
According to the technical scheme, the pipeline type pollutant treatment device with double-flow switching can achieve the following beneficial technical effects: the valve core can be opened/closed better, and the central flow passage can be switched on/off better.
Preferably, as shown in fig. 1-2, the valve core 2 can be a butterfly valve, a ball valve or other valve members that can perform the function of opening and closing the pipeline. The valve element 2 preferably has the same diameter as the cross-sectional diameter of the cylindrical grid 3 and is fitted in the central flow passage defined by the cylindrical grid 3. The actuator 5 receives upstream pollutant concentration information or airplane state information, and realizes the opening and closing control of the valve core 2 by twisting the valve rod.
Preferably, the filter material 4 is a HEPA (high efficiency particulate air filtration) filter element or activated carbon.
According to the technical scheme, the pipeline type pollutant treatment device with double-flow switching can achieve the following beneficial technical effects: through suitable filter media, better filtration or adsorption treatment is carried out to the pollutant in the fluid in the pollutant treatment mode.
Of course, the above-described filter (HEPA filter or activated carbon) is merely a preferred form of filter for the dual flow switching conduit type pollutant treating device of the present application, and those skilled in the art will appreciate based on the present disclosure that other suitable filters may be used without departing from the scope of the claims of the present application.
Preferably, as shown in fig. 1-2, the ducted pollutant treating device further comprises a sensor 7 mounted in the upstream duct 11 to sense pollutants in the upstream fluid in real time to switch to the low flow resistance flow-through mode or the pollutant treating mode, respectively.
According to the technical scheme, the pipeline type pollutant treatment device with double-flow switching can achieve the following beneficial technical effects: by sensing the pollutants in the upstream fluid in real time, the low flow resistance circulation mode or the pollutant treatment mode can be switched to more timely according to different upstream pollution states.
While particular embodiments of the present invention have been described above, it will be understood by those skilled in the art that they are not intended to limit the invention, and that various modifications may be made by those skilled in the art based on the above disclosure without departing from the scope of the invention.
Claims (10)
1. The utility model provides a pipeline formula pollutant processing apparatus that double-flow-channel switches, its characterized in that, pipeline formula pollutant processing apparatus includes central flow channel and peripheral runner, central flow channel is located pipeline formula pollutant processing apparatus's central authorities, just be equipped with in the central flow channel and be used for realizing the case of central flow channel break-make, peripheral flow channel nestification is in outside the central flow channel, just the filter media is equipped with in the peripheral flow channel, central flow channel with separate by the cylindric grid tray between the peripheral flow channel.
2. The dual flow switching conduit-type pollutant treating device of claim 1, wherein said conduit-type pollutant treating device is operable in a low flow resistance flow-through mode in which said valve spool is open, said central flow passage is flow-through, and a pollutant treating mode in which a majority of fluid flows through said central flow passage; in the pollutant processing mode, the valve core is closed, the central flow channel is closed, fluid flows into the peripheral flow channel from the central flow channel through the cylindrical grid plate, and the filter material in the peripheral flow channel is used for filtering or adsorbing pollutants in the fluid.
3. The dual flow switching tube and tube pollutant treating device of claim 1, wherein the cylindrical grid is mounted between an upstream tube and a downstream tube, the central flow passage being defined by the cylindrical grid.
4. The dual flow switching tube-in-tube pollutant treating device of claim 1, further comprising a housing mounted between an upstream tube and a downstream tube, the peripheral flow path defined by the housing and the cylindrical grid.
5. The dual-flow switching pipe-line pollutant treating device of claim 1, wherein a plurality of holes or slits are arranged in the wall of the cylindrical grid plate.
6. The dual-flow-switching pipe-line pollutant treating device of claim 5, wherein the ratio of the total area of the plurality of holes or slits in the cylindrical grid to the total side area of the cylindrical grid is 0.3: 1-0.5: 1.
7. the dual-flow-switching pipe-line pollutant treating device of claim 6, wherein the ratio of the total area of the plurality of holes or slits in the cylindrical grid to the total side area of the cylindrical grid is 0.4: 1.
8. the dual-flow-switching pipe-in-pipe pollutant treating device of claim 1, further comprising a valve stem and an actuator, wherein the valve stem is installed in a radial direction of the device, and one end of the valve stem is connected to the valve cartridge, and the other end of the valve stem is connected to the actuator located outside the housing.
9. The dual-flow switching conduit-type pollutant treating device of claim 1, wherein the filter material is a HEPA filter element or activated carbon.
10. The dual flow switching in-line contaminant treatment device of claim 2, further comprising a sensor installed in the upstream line to sense contaminants in the upstream fluid in real time to switch to the low flow resistance flow through mode or the contaminant treatment mode, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011304046.4A CN112550721A (en) | 2020-11-19 | 2020-11-19 | Pipeline formula pollutant processing apparatus that double flow says and switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011304046.4A CN112550721A (en) | 2020-11-19 | 2020-11-19 | Pipeline formula pollutant processing apparatus that double flow says and switch |
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| CN112550721A true CN112550721A (en) | 2021-03-26 |
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| CN202011304046.4A Pending CN112550721A (en) | 2020-11-19 | 2020-11-19 | Pipeline formula pollutant processing apparatus that double flow says and switch |
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1591513A (en) * | 1976-10-13 | 1981-06-24 | Daimler Benz Ag | Cleaner for pressurised gas |
| JP2005112005A (en) * | 2003-10-02 | 2005-04-28 | Shimadzu Corp | Air-conditioner for aircraft |
| DE202006002508U1 (en) * | 2006-02-17 | 2007-06-28 | Heinrich Gillet Gmbh | Diesel particulate filter for diesel engined vehicle, has valve unit comprising closure unit that is opened against spring dependent on gas pressure in inlet of housing and releases variable filter surface dependent on gas pressure |
| US20090163131A1 (en) * | 2006-05-18 | 2009-06-25 | Douglas Stuart Walkinshaw | Personal environment airflow controller |
| US20120018659A1 (en) * | 2010-07-23 | 2012-01-26 | Mcauliffe Christopher | Piston valve with built in filtration |
| US20120258014A1 (en) * | 2011-04-11 | 2012-10-11 | Hamilton Sundstrand Space Systems International, Inc. | Contaminate Control Device |
| US20150328574A1 (en) * | 2012-12-20 | 2015-11-19 | Siemens Aktiengesellschaft | Steam strainer |
| US20150369182A1 (en) * | 2014-06-18 | 2015-12-24 | Stoneridge, Inc. | Inline dump-able fuel system dust filter with pressure relief valve |
| DE102015201342A1 (en) * | 2015-01-27 | 2016-07-28 | Airbus Operations Gmbh | A cabin air extraction system, method of operating a cabin air extraction system, and aircraft air conditioning system |
| US20180229586A1 (en) * | 2017-02-15 | 2018-08-16 | Hamilton Sundstrand Corporation | Inertial particle separator for air cycle machine |
| US20190388818A1 (en) * | 2018-06-26 | 2019-12-26 | Hamilton Sundstrand Corporation | Helical water collector |
| CN110775282A (en) * | 2018-07-27 | 2020-02-11 | 空中客车作业有限公司 | Mixer assembly, storage space, aircraft and method for manufacturing a mixer assembly |
| CN210171131U (en) * | 2019-06-18 | 2020-03-24 | 东莞市红升环保设备有限公司 | Active carbon adsorption device capable of switching ventilation flow direction |
| CN211936062U (en) * | 2020-03-11 | 2020-11-17 | 重庆茂杉家具有限公司 | Independent filtering structure for central dust collection pipeline |
-
2020
- 2020-11-19 CN CN202011304046.4A patent/CN112550721A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1591513A (en) * | 1976-10-13 | 1981-06-24 | Daimler Benz Ag | Cleaner for pressurised gas |
| JP2005112005A (en) * | 2003-10-02 | 2005-04-28 | Shimadzu Corp | Air-conditioner for aircraft |
| DE202006002508U1 (en) * | 2006-02-17 | 2007-06-28 | Heinrich Gillet Gmbh | Diesel particulate filter for diesel engined vehicle, has valve unit comprising closure unit that is opened against spring dependent on gas pressure in inlet of housing and releases variable filter surface dependent on gas pressure |
| US20090163131A1 (en) * | 2006-05-18 | 2009-06-25 | Douglas Stuart Walkinshaw | Personal environment airflow controller |
| US20120018659A1 (en) * | 2010-07-23 | 2012-01-26 | Mcauliffe Christopher | Piston valve with built in filtration |
| US20120258014A1 (en) * | 2011-04-11 | 2012-10-11 | Hamilton Sundstrand Space Systems International, Inc. | Contaminate Control Device |
| US20150328574A1 (en) * | 2012-12-20 | 2015-11-19 | Siemens Aktiengesellschaft | Steam strainer |
| US20150369182A1 (en) * | 2014-06-18 | 2015-12-24 | Stoneridge, Inc. | Inline dump-able fuel system dust filter with pressure relief valve |
| DE102015201342A1 (en) * | 2015-01-27 | 2016-07-28 | Airbus Operations Gmbh | A cabin air extraction system, method of operating a cabin air extraction system, and aircraft air conditioning system |
| US20180229586A1 (en) * | 2017-02-15 | 2018-08-16 | Hamilton Sundstrand Corporation | Inertial particle separator for air cycle machine |
| US20190388818A1 (en) * | 2018-06-26 | 2019-12-26 | Hamilton Sundstrand Corporation | Helical water collector |
| CN110775282A (en) * | 2018-07-27 | 2020-02-11 | 空中客车作业有限公司 | Mixer assembly, storage space, aircraft and method for manufacturing a mixer assembly |
| CN210171131U (en) * | 2019-06-18 | 2020-03-24 | 东莞市红升环保设备有限公司 | Active carbon adsorption device capable of switching ventilation flow direction |
| CN211936062U (en) * | 2020-03-11 | 2020-11-17 | 重庆茂杉家具有限公司 | Independent filtering structure for central dust collection pipeline |
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