CN106015922A - Gas bag and gas storage equipment - Google Patents
Gas bag and gas storage equipment Download PDFInfo
- Publication number
- CN106015922A CN106015922A CN201610486232.1A CN201610486232A CN106015922A CN 106015922 A CN106015922 A CN 106015922A CN 201610486232 A CN201610486232 A CN 201610486232A CN 106015922 A CN106015922 A CN 106015922A
- Authority
- CN
- China
- Prior art keywords
- joint
- air bag
- airbag body
- gas
- gas bag
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C3/00—Vessels not under pressure
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/02—Preparation of oxygen
- C01B13/0229—Purification or separation processes
- C01B13/0248—Physical processing only
- C01B13/0251—Physical processing only by making use of membranes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/005—Details of vessels or of the filling or discharging of vessels for medium-size and small storage vessels not under pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/01—Shape
- F17C2201/0147—Shape complex
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/05—Size
- F17C2201/058—Size portable (<30 l)
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0634—Materials for walls or layers thereof
- F17C2203/0658—Synthetics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/068—Special properties of materials for vessel walls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/068—Special properties of materials for vessel walls
- F17C2203/0685—Special properties of materials for vessel walls flexible
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
- F17C2221/011—Oxygen
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0107—Single phase
- F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/02—Applications for medical applications
- F17C2270/025—Breathing
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention provides a gas bag. The gas bag comprises a gas bag body, a first connector and a second connector. The gas bag body is formed in the manner that one corner of a square shell is concaved inwards. The first connector and the second connector are arranged on the concave side of the gas bag body. The gas bag body is made of a silicone rubber material. The first connector is connected to an external vacuum pump outlet through a pipeline. The second connector is connected to an external aerator outlet through a pipeline. The above structure is simple and suitable for industrial production. In addition, the size of the gas bag can be designed according to the respiratory capacity needed by the human body at every time of respiration and an aerator, and the gas bag has the beneficial effects of storing gas, achieving damping, lowering noise and stabilizing gas flow.
Description
Technical field
The present invention relates to gas technical field of memory, particularly relate to a kind of air bag and gas storage.
Background technology
Our all big enterprises of country of current period use the oxygen generating plant produced of membrane separation technique all suffer from as
Lower predicament: 1, owing to using small size vacuum to make gas separate at film surfaces externally and internally under the effect of pressure reduction
Pump realizes pressure differential, but owing to vacuum pump operation principle causes oxygenerator complete machine noise relatively big, vibrations are relatively
Greatly, people's Working Life the most in this environment may feel that the most uncomfortable；2, due to vacuum pump originally
There is certain impact, so the air-flow in machine gas outlet has certain impact, user during body work
Can feel it is not the most comfortable directly using oxygen face mask to be connected to when machine is breathed.3, do not have due to machine itself
There is installation caisson to shine into waste of oxygen greatly, like this reduce, just due to oxygen utilization rate
Have to strengthen the oxygen production capacity of oxygenerator to meet people's needs, thus add cost, add energy consumption.
Being obtained by examination related data, during adult normal's peace and quiet, frequency of respiration is 12～18 beats/min, every time
Suck and the gas flow of exhalation is about 500 milliliters.So the gas production of oxygenerator reaches 6L/ and divides above with regard to energy
Meet the normal physiological activity of people, but the one of people exhales a suction to have time interval, when existing certain
Between gap, but oxygenerator is lasting aerofluxus at work, so people exhale during this period of time in due to
Caisson is not had, so the oxygen produced in this period of time can be directly rejected to outside machine inside machine
Face, this theoretical oxygen-producing amount that will result in machine is to meet in the case of meeting people's demand and being actually used
The use of people, so in order to avoid this waste, it is necessary to provide a kind of special airbag to carry out gas storage, with
Ensure that the gas that aerator produces in interval of exhaling avoids the waste of oxygen in being stored in air bag completely.
Summary of the invention
In view of this, in order to overcome defect and the problem of prior art, the present invention provides a kind of air bag.
A kind of air bag, including airbag body, the first joint and the second joint, described airbag body is one square
The angular sunken inside of the one of housing is formed, and described first joint and the second joint are arranged at the recessed of described airbag body
Falling into side, described airbag body is silastic material, and described first joint is connected to external true by pipeline
Empty pump discharge, described second joint is connected to external aerator by pipeline and exports.
Preferably, described airbag body is additionally provided with the boss arranged along described airbag body side, described
First joint and the second joint are arranged on boss.
Preferably, described boss is silastic material.
Preferably, described silastic material is methyl vinyl silicone rubber, methyl phenyl vinyl silicone rubber,
In fluorine silicon or nitrile silicone rubber.
Preferably, the cross section at described first joint and the second joint place is the center of circle.
Preferably, the center of circle distance of the cross section at described first joint and the second joint place is 14mm.
Preferably, the center of circle of the cross section at described first joint and the second joint place is apart from described airbag body
Nearest side distance is 7.5mm, the center of circle distance of the cross section at described first joint and the second joint place
The farthest side distance of described airbag body is 82.5mm.
Preferably, described first joint is 16.5mm apart from the side distance that described airbag body second is near, institute
Stating the first joint apart from the side distance that described airbag body the 3rd is near is 34.5mm.
It addition, present invention also offers a kind of gas storage, including air bag, described air bag includes air bag
Body, the first joint and the second joint, described airbag body is that an angular sunken inside of a square casing is formed,
Described first joint and the second joint are arranged at the depression side of described airbag body, and described airbag body is silicon
Elastomeric material, described first joint is connected to external vacuum pump outlet by pipeline, and described second joint leads to
Cross pipeline and be connected to external aerator outlet.
The air bag that the application provides, including airbag body, the first joint and the second joint, described airbag body
Being an angular sunken inside formation of a square casing, described first joint and the second joint are arranged at described air bag
The depression side of body, described airbag body is silastic material, and described first joint is connected to by pipeline
External vacuum pump outlet, described second joint is connected to external aerator by pipeline and exports, above-mentioned knot
Structure is simple, is suitable for industrialized production；It addition, the volume of described air bag is breathed required according to human body every time
Respiratory capacity and aerator are designed, and have storage gas, damping, noise reduction, the specially good effect of smooth air.
Additionally, the airbag body that the application provides is special silastic material, there is non-oxidizability, have relatively
Good elasticity (retractility), has anti-mildew performance, has tolerance to cold, meet medical standard, after passing through
Gas human body respiration is not produced any harm.
Accompanying drawing explanation
The schematic perspective view of the air bag that Fig. 1 provides for a preferred embodiment of the present invention；
Fig. 2 is the structural representation of air bag one cross section shown in Fig. 1；
Fig. 3 is the structural representation in another cross section of air bag described in Fig. 1；
Fig. 4 is the pictorial diagram of air bag shown in Fig. 1.
Detailed description of the invention
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.
Accompanying drawing gives the better embodiment of the present invention.These are only the preferred embodiments of the present invention, and unprovoked
This limits the scope of the claims of the present invention, every equivalent structure utilizing description of the invention and accompanying drawing content to be made
Or equivalence flow process conversion, or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in this
In the scope of patent protection of invention.
Unless otherwise defined, all of technology used herein and scientific terminology and the technology belonging to the present invention
The implication that the technical staff in field is generally understood that is identical.The art used the most in the description of the invention
Language is intended merely to describe the purpose of specific embodiment, it is not intended that in limiting the present invention.Used herein
Term " and/or " include the arbitrary and all of combination of one or more relevant Listed Items.
See also Fig. 1 to Fig. 4, air bag 100 schematic diagram that the embodiment of the present invention provides, including air bag originally
Body the 110, first joint 120 and the second joint 130.Wherein:
Described airbag body 110 is that an angular sunken inside of a square casing is formed, described first joint 120
And second joint 130 be arranged at the depression side of described airbag body.Described airbag body 110 is silicone rubber
Material, described first joint 120 is connected to external vacuum pump outlet, described second joint 130 by pipeline
It is connected to external aerator by pipeline export.It is appreciated that said structure is simple, is suitable for industry metaplasia
Produce；It addition, the volume of described air bag breathes required respiratory capacity according to human body and aerator is carried out every time
Design, there is storage gas, damping, noise reduction, the specially good effect of smooth air.
Preferably, described airbag body 110 is additionally provided with the boss 111 arranged along described airbag body side,
Described first joint 120 and the second joint 130 are arranged on boss.It is appreciated that by arranging boss 111
Described first joint 120 and the second joint 130 are preferably arranged on described airbag body 110.
Preferably, described boss 111 is silastic material.
Further, airbag body 110 and boss 111 that the application provides are silastic material, wherein, and institute
Stating silastic material is methyl vinyl silicone rubber, methyl phenyl vinyl silicone rubber, fluorine silicon or nitrile silicone rubber
In.
It is appreciated that airbag body 110 that the application provides and boss 111 are special silastic material, due to
Silastic material has tasteless nontoxic, is not afraid of high temperature and resists the feature of severe cold, at 300 degrees Celsius with subzero
When 90 degrees Celsius, the most do not lose original intensity and elasticity, additionally, silicone rubber also have good electrical insulating property,
Oxytolerant ageing resistance, fast light ageing resistance and mildew resistance, chemical stability etc..So in view of various
In the case of factor, we select silicone rubber to be raw material, use special processing technique produce have noise abatement,
Damping, the special airbag of smooth air, be arranged on perfection in oxygen supply equipment and solve noise, vibrations and air-flow
Impact.There is non-oxidizability, there is the most elastic (retractility), there is anti-mildew performance, have resistance to
Cold, meet medical standard, the gas after passing through does not produces any harm to human body respiration.
Preferably, the cross section at described first joint 120 and the second joint 130 place is the center of circle.Can manage
Solving, described first joint 120 and the second joint 130 can also be other shapes.
Preferably, the center of circle distance of the cross section at described first joint 120 and the second joint 130 place is
14mm, the center of circle of the cross section at described first joint 120 and the second joint 130 place is apart from described air bag originally
The nearest side distance of body 110 is 7.5mm, described first joint 120 and the horizontal stroke at the second joint 130 place
The center of circle in cross section is 82.5mm apart from the side distance that described airbag body 110 is farthest, and described first connects 120
The side distance near apart from described airbag body 110 second is 16.5mm, and described first joint 120 is apart from institute
Stating the near side distance of airbag body 130 the 3rd is 34.5mm.
It is appreciated that owing to frequency of respiration is 12～18 beats/min during adult normal's peace and quiet, sucks every time and exhale
The gas flow gone out is about 500 milliliters, and the gas production of oxygenerator reaches 6L/ and divides and above just just can meet people
Often physiological activity, but the one of people exhales a suction to have time interval, there is regular hour gap, but
Be oxygenerator be lasting aerofluxus at work, so people exhale during this period of time in owing to not having inside machine
Having caisson, so the oxygen produced in this period of time can be directly rejected to outside machine, this will
The theoretical oxygen-producing amount causing machine is the use that can not meet people in the case of meeting people's demand and being actually used
, so in order to avoid this waste, we select above-mentioned design, design air bag by such scheme
Position relationship between body the 110, first joint the 120, second joint 130, obtains a kind of special air bag,
So ensure that the volume of air bag ensures at more than 250ML, thus ensure what aerator produced in interval of exhaling
Gas avoids the waste of oxygen in being stored in air bag completely, enable to aerator simultaneously and become more to pacify
Quiet, air-flow is steady, and more energy-conservation, the experience sense making user is higher.
Additionally, present invention also provides a kind of gas storage (not shown), including above-mentioned air bag 100.
The air bag 100 that the application provides, including airbag body 110, the first joint 120 and the second joint 130,
Described airbag body 110 is that an angular sunken inside of a square casing is formed, described first joint 120 and the
Two joints 130 are arranged at the depression side of described airbag body 110, and described airbag body 110 is silicone rubber
Material, described first joint 120 is connected to external vacuum pump outlet, described second joint 130 by pipeline
Being connected to external aerator by pipeline export, said structure is simple, is suitable for industrialized production；It addition,
The volume of described air bag breathes required respiratory capacity according to human body every time and aerator is designed, tool
There are storage gas, damping, noise reduction, the specially good effect of smooth air.
Additionally, the airbag body 110 that the application provides is special silastic material, there is non-oxidizability, tool
There is the most elastic (retractility), there is anti-mildew performance, there is tolerance to cold, meet medical standard, thoroughly
Later gas does not produce any harm to human body respiration.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for this area
Those of ordinary skill for, without departing from the inventive concept of the premise, it is also possible to make some deformation and
Improving, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended
Claim is as the criterion.
Claims (9)
1. an air bag, it is characterised in that include airbag body, the first joint and the second joint, described gas
Capsule body is that an angular sunken inside of a square casing is formed, and described first joint and the second joint are arranged at institute
Stating the depression side of airbag body, described airbag body is silastic material, and described first joint passes through pipeline
Being connected to external vacuum pump outlet, described second joint is connected to external aerator by pipeline and exports.
2. air bag as claimed in claim 1, it is characterised in that be additionally provided with along institute on described airbag body
Stating the boss that airbag body side is arranged, described first joint and the second joint are arranged on boss.
3. air bag as claimed in claim 2, it is characterised in that described boss is silastic material.
4. the air bag as described in claim 1 or 3, it is characterised in that described silastic material is methyl second
Thiazolinyl silicone rubber, in methyl phenyl vinyl silicone rubber, fluorine silicon or nitrile silicone rubber.
5. air bag as claimed in claim 1, it is characterised in that described first joint and the second joint place
Cross section be the center of circle.
6. air bag as claimed in claim 5, it is characterised in that described first joint and the second joint place
The center of circle distance of cross section be 14mm.
7. air bag as claimed in claim 6, it is characterised in that described first joint and the second joint place
The center of circle of cross section be 7.5mm apart from the side distance that described airbag body is nearest, described first joint and
The center of circle of the cross section at the second joint place is 82.5mm apart from the side distance that described airbag body is farthest.
8. air bag as claimed in claim 7, it is characterised in that described first joint is apart from described air bag originally
The near side distance of body second is 16.5mm, and described first joint is apart from the near side of described airbag body the 3rd
Distance is 34.5mm.
9. a gas storage, including air bag, it is characterised in that described air bag includes airbag body,
First joint and the second joint, described airbag body is that an angular sunken inside of a square casing is formed, described
First joint and the second joint are arranged at the depression side of described airbag body, and described airbag body is silicone rubber
Material, described first joint is connected to external vacuum pump outlet by pipeline, and described second joint is by pipe
Road is connected to external aerator outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610486232.1A CN106015922A (en) | 2016-06-28 | 2016-06-28 | Gas bag and gas storage equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610486232.1A CN106015922A (en) | 2016-06-28 | 2016-06-28 | Gas bag and gas storage equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106015922A true CN106015922A (en) | 2016-10-12 |
Family
ID=57084736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610486232.1A Pending CN106015922A (en) | 2016-06-28 | 2016-06-28 | Gas bag and gas storage equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106015922A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111565629A (en) * | 2018-01-15 | 2020-08-21 | 欧姆龙株式会社 | Blood pressure measuring device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070163591A1 (en) * | 2006-01-13 | 2007-07-19 | Ross Julian T | Method and system for providing breathable air in a closed circuit |
| CN201631942U (en) * | 2010-02-22 | 2010-11-17 | 重庆永安煤矿安全仪器厂 | Positive pressure respirator of square breath cabin |
| CN102125734A (en) * | 2011-03-17 | 2011-07-20 | 重庆安仪煤矿设备有限公司 | Positive-pressure buffered breathing bag for isolated positive-pressure oxygen breathing apparatus |
| CN104225825A (en) * | 2014-07-15 | 2014-12-24 | 抚顺科莱特安全装备有限公司 | New-structure fixed chemical oxygen self-rescuer |
| CN206247014U (en) * | 2016-06-28 | 2017-06-13 | 深圳中物兴华科技发展有限公司 | Air bag and gas storage |
-
2016
- 2016-06-28 CN CN201610486232.1A patent/CN106015922A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070163591A1 (en) * | 2006-01-13 | 2007-07-19 | Ross Julian T | Method and system for providing breathable air in a closed circuit |
| CN201631942U (en) * | 2010-02-22 | 2010-11-17 | 重庆永安煤矿安全仪器厂 | Positive pressure respirator of square breath cabin |
| CN102125734A (en) * | 2011-03-17 | 2011-07-20 | 重庆安仪煤矿设备有限公司 | Positive-pressure buffered breathing bag for isolated positive-pressure oxygen breathing apparatus |
| CN104225825A (en) * | 2014-07-15 | 2014-12-24 | 抚顺科莱特安全装备有限公司 | New-structure fixed chemical oxygen self-rescuer |
| CN206247014U (en) * | 2016-06-28 | 2017-06-13 | 深圳中物兴华科技发展有限公司 | Air bag and gas storage |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111565629A (en) * | 2018-01-15 | 2020-08-21 | 欧姆龙株式会社 | Blood pressure measuring device |
| CN111565629B (en) * | 2018-01-15 | 2023-06-20 | 欧姆龙株式会社 | Blood pressure measuring device |
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Application publication date: 20161012 |
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