CN105268069A - Blower cabin - Google Patents
Blower cabin Download PDFInfo
- Publication number
- CN105268069A CN105268069A CN201510846399.XA CN201510846399A CN105268069A CN 105268069 A CN105268069 A CN 105268069A CN 201510846399 A CN201510846399 A CN 201510846399A CN 105268069 A CN105268069 A CN 105268069A
- Authority
- CN
- China
- Prior art keywords
- cabin
- outer cabin
- splitter
- blower fan
- described outer
- 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.)
- Granted
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
- Ventilation (AREA)
Abstract
The invention relates to the respirator technology field and particularly relates to a blower cabin. The blower cabin is suitable for a respirator and comprises an outer cabin and an inner cabin, wherein the inner cabin is arranged in the outer cabin, an outer cabin air inlet is arranged between the outer cabin and the inner cabin, the outer cabin is further provided with an outer cabin air outlet, the outer cabin is internally fixed with multiple shunting sheets, the multiple shunting sheets are close to the outer cabin air outlet, the multiple shunting sheets are arranged along air flowing cross section directions with intervals and extend along the air flowing directions, the inner cabin is used for fixing a blower, and the blower is used for making air in the blower flowing through the multiple shunting sheets from the outer cabin air inlet to the outer cabin air outlet. Through the blower cabin, accuracy of the respirator for detecting pressure values and flow values of the output air can be improved.
Description
Technical field
The present invention relates to respirator technical field, especially relate to a kind of blower fan cabin.
Background technology
In current clinical medicine, respirator is as the effective means of an energy artificial substituting expiratory positive airway pressure function, be commonly used in the respiratory failure caused by a variety of causes, the management of the anesthesia respiration during major operation, Breathing Suppotion treatment and emergency resuscitation, in Modern Medical Field, occupied very important position.Respirator is that one can play prevention and therapy respiratory failure, reduces complication, saves and extend the vital armarium of patients ' lives.
Blower fan cabin is the important component part of respirator, is mainly used in fixing blower fan.Existing respirator inside generally adopts high-speed fan, reaches pressure and the flow of patient's desired gas; The force value of the output gas that existing respirator detects and flow value poor accuracy, affect the adaptability of respirator to different patient, also affect the use to respirator.
Summary of the invention
The object of the present invention is to provide a kind of blower fan cabin, to improve respirator to the degree of accuracy exporting the force value of gas and the detection of flow value.
The invention provides a kind of blower fan cabin, comprise outer cabin and interior cabin, described interior freight space is inner in described outer cabin;
Be provided with outer cabin air inlet between described outer cabin and described interior cabin, described outer cabin is also provided with outer cabin air outlet;
Multiple splitter is installed with in described outer cabin; Described multiple splitter is near described outer cabin air outlet;
Described multiple splitter is arranged along the cross-wise direction interval that gas flows, and extends along gas flow direction;
Described interior cabin is used for fixing blower fan, and described blower fan is used for making gas in this blower fan flow through described multiple splitter from described outer cabin air inlet, flows to described outer cabin air outlet.
Further, the splitter between adjacent described splitter is apart from equal; The length of described splitter and the ratio of described splitter distance are greater than 10, and described splitter is 1.5mm-2.5mm apart from scope.
Further, the length of described splitter and the ratio range of described splitter distance are 10-20.
Further, the quantity of described splitter is three.
Further, described outer cabin comprises air channel, outer cabin, and the two ends in air channel, described outer cabin arrange described outer cabin air inlet and described outer cabin air outlet respectively; Described multiple splitter is installed in air channel, described outer cabin; Air channel, described outer cabin helically wire.
Further, described outer cabin air inlet is fixedly connected with the fan outlet of described blower fan; The axis being axially perpendicular to described outer cabin air inlet of described outer cabin air outlet; Inside, described outer cabin is provided with diffusion chamber, and air channel, described outer cabin is communicated with by described diffusion chamber with described outer cabin air outlet; Along described gas flow direction, the sectional area in described diffusion chamber is greater than the sectional area in air channel, described outer cabin, and the sectional area in described diffusion chamber is greater than the sectional area of described outer cabin air outlet.
Further, described diffusion intracavity is installed with wind deflector; Described wind deflector near air outlet place, described outer cabin, and along the tangential extension of described outer cabin air outlet.
Further, described wind deflector is parallel to described splitter.
Further, described outer cabin is installed with pressure transducer hole and flow transducer hole; Along described gas flow direction, be respectively equipped with described flow transducer hole near the two ends of described multiple splitter; Described pressure transducer hole is provided with between described multiple splitter and described outer cabin air outlet;
Described pressure transducer hole is for being communicated with pressure transducer; Described flow transducer hole is for being communicated with flow transducer.
Further, along the cross-wise direction that described gas flows, described multiple splitter is positioned at the length being shorter in length than the described splitter being positioned at both sides of middle described splitter; Along described gas flow direction, the two ends of described splitter are circular arc.
Blower fan cabin provided by the invention, by arranging multiple splitter near air outlet place, outer cabin, the gas flow channel residing for splitter is divided into multiple passage, add the friction area of flowing gas, the central gas stream flow velocity significantly decreasing pure gas flow channel is very fast, near the problem that the air-flow velocity at gas flow channel edge is slower, output gas is distributed in gas flow channel more even, and then the flow velocity of the cross-wise direction making the gas flowing through splitter flow along gas is more even, and then improve respirator to the degree of accuracy exporting the force value of gas and the detection of flow value.
Accompanying drawing explanation
In order to be illustrated more clearly in the specific embodiment of the invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in detailed description of the invention or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The perspective view in the blower fan cabin that Fig. 1 provides for the embodiment of the present invention;
The front view in the blower fan cabin that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 is the sectional view along A-A direction in the blower fan cabin shown in Fig. 2;
Fig. 4 is the sectional view along B-B direction in the blower fan cabin shown in Fig. 2;
Fig. 5 is the sectional view along C-C direction in the blower fan cabin shown in Fig. 2;
Fig. 6 is the sectional view along D-D direction in the blower fan cabin shown in Fig. 2;
Fig. 7 is the sectional view along E-E direction in the blower fan cabin shown in Fig. 2.
Reference numeral:
The outer cabin of 101-; 1011-outer cabin air inlet;
1012-outer cabin air outlet; The outer air channel, cabin of 1013-; 1014-diffusion chamber;
Cabin in 102-; 103-splitter; 104-wind deflector;
105-pressure transducer hole; 106-flow transducer hole.
Detailed description of the invention
Be clearly and completely described technical scheme of the present invention below in conjunction with accompanying drawing, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
Embodiment
Shown in Fig. 1-Fig. 7, present embodiments provide a kind of blower fan cabin; The perspective view in the blower fan cabin that Fig. 1 provides for the embodiment of the present invention; The front view in the blower fan cabin that Fig. 2 provides for the embodiment of the present invention; In order to display structure clearly, Fig. 1, Fig. 2 illustrate only the primary structure in blower fan cabin, and the upper cover in blower fan cabin is not shown in the diagram; Fig. 3-Fig. 7 is the sectional view in the blower fan cabin shown in Fig. 2, and wherein, Fig. 3 is the sectional view along A-A direction, and Fig. 4 is the sectional view along B-B direction, and Fig. 5 is the sectional view along C-C direction, and Fig. 6 is the sectional view along D-D direction, and Fig. 7 is the sectional view along E-E direction; Wherein, outer cabin air outlet and diffusion chamber divide by Fig. 6, Fig. 7 dotted line.
Shown in Fig. 1-Fig. 7, the blower fan cabin that the present embodiment provides, is applicable to respirator, comprises outer cabin 101 and interior cabin 102, and it is inner that interior cabin 102 is positioned at outer cabin 101.
Be provided with outer cabin air inlet 1011 between outer cabin 101 and interior cabin 102, outer cabin 101 is also provided with outer cabin air outlet 1012.
Multiple splitter 103 is installed with in outer cabin 101; Multiple splitter 103 is near outer cabin air outlet 1012.
Multiple splitter 103 is arranged along the cross-wise direction interval that gas flows, and extends along gas flow direction.
Interior cabin 102 is for fixing blower fan, and blower fan is used for making gas in blower fan flow through multiple splitter 103 from outer cabin air inlet 1011, flows to outer cabin air outlet 1012.
The cabin of blower fan described in the present embodiment is by arranging multiple splitter 103 near air outlet 1012 place, outer cabin, the gas flow channel residing for splitter 103 is divided into multiple passage, add the friction area of flowing gas, the central gas stream flow velocity significantly decreasing pure gas flow channel is very fast, near the problem that the air-flow velocity at gas flow channel edge is slower, output gas is distributed in gas flow channel more even, and then the flow velocity of the cross-wise direction making the gas flowing through splitter 103 flow along gas is more even, and then improve respirator to the degree of accuracy exporting the force value of gas and the detection of flow value.
Further, the splitter between adjacent splitter 103 is apart from equal; The length of splitter 103 and the ratio of splitter distance are greater than 10, this ratio further increases the uniformity of the flow velocity of the cross-wise direction that the gas that flows through splitter 103 flows along gas, to make respirator higher to the degree of accuracy exporting the force value of gas and the detection of flow value; Preferably, splitter is 1.5mm-2.5mm apart from scope, this splitter is apart from gas and splitter 103 can be made to reach optimum, the resistance that the distance avoiding on the one hand splitter distance is too little and increase by the air-flow of splitter 103, and then impact is to the degree of accuracy exporting the force value of gas and the detection of flow value, the distance that it also avoid splitter distance on the other hand can not be reached through the relatively uniform distribution output gas flow of splitter 103 too greatly, and then impact is to the degree of accuracy exporting the force value of gas and the detection of flow value.
Preferably, the length of splitter 103 and the ratio range of splitter distance are 10-20.To optimize, to improve the uniformity of the flow velocity of the cross-wise direction that the gas that flows through splitter 103 flows along gas further, to make respirator to the degree of accuracy exporting the force value of gas and the detection of flow value.
The quantity of splitter 103 can be such as two, three, four, six, eight etc.; In the possibility of the present embodiment, the quantity of splitter 103 is three, the gas flow channel residing for splitter 103 is divided into four passages.
In the possibility of the present embodiment, outer cabin 101 comprises air channel, outer cabin 1013, and the two ends in air channel, outer cabin 1013 arrange outer cabin air inlet 1011 and outer cabin air outlet 1012 respectively; Multiple splitter 103 is installed in air channel, outer cabin 1013, and also namely the air channel, outer cabin 1013 residing for splitter 103 is divided into multiple passage by splitter 103; Air channel, outer cabin 1013 helically wire, to make the discharge outer cabin air outlet 1012 of gas spiral, to make the outflow path of gas not have turning round of wide-angle, can not produce local eddy currents, meet the movement locus of gas, the noise produced when can reduce gas flowing.
Further, outer cabin air inlet 1011 is fixedly connected with the fan outlet of blower fan, such as, can be, outer cabin air inlet 1011 passes through connection tube fixed seal connection with the fan outlet of blower fan; The axis being axially perpendicular to outer cabin air inlet 1011 of outer cabin air outlet 1012; Inside, outer cabin 101 is provided with diffusion chamber 1014, air channel, outer cabin 1013 is communicated with by diffusion chamber 1014 with outer cabin air outlet 1012, namely gas flow flows out from fan outlet, air channel, outer cabin 1013 is flowed into by outer cabin air inlet 1011, flow through multiple splitter 103, flow into diffusion chamber 1014, flow out from outer cabin air outlet 1012; Along gas flow direction, the sectional area in diffusion chamber 1014 is greater than the sectional area in air channel, outer cabin 1013, and the sectional area in diffusion chamber 1014 is greater than the sectional area of outer cabin air outlet 1012.To be converted to the principle of potential energy according to kinetic energy, utilize the gas of the high speed rotating exported from outer cabin air inlet 1011, outbound course is changed when flowing through diffusion chamber 1014, because of gas and changing flow direction and cause deceleration in the diffusion chamber 1014, and the kinetic energy that the gas of high speed rotating has is converted to pressure energy by decelerating effect, thus offset or reduce the pressure loss of gas in output procedure.
When the gas of the high speed rotating exported from outer cabin air inlet 1011 flows into diffusion chamber 1014, flow section sudden enlargement, due to the inertia of fluid, suddenly can not expand on whole cross section along the shape in diffusion chamber 1014, but there is a process expanded gradually, thus produce a large amount of vortex recirculation in inside, diffusion chamber 1014, form whirlpool district, affect gas to discharge from outer cabin air outlet 1012, and then affect the respirator output pressure of gas and the stability of flow; In order to solve this problem, in the possibility of the present embodiment, in diffusion chamber 1014, be installed with wind deflector 104; Wind deflector 104 is near air outlet 1012 place, outer cabin, and along the tangential extension of outer cabin air outlet 1012, so that by wind deflector 104, and coordinate splitter 103, the air-flow of the gas of high speed rotating is divided into multiple region, and guiding gas discharges outer cabin air outlet 1012, reduces the scale in whirlpool district, and then reduce whirlpool district to the output pressure of gas and the stability of flow, thus improve the respirator output pressure of gas and the stability of flow.
Further, wind deflector 104 is parallel to splitter 103, so that better guiding gas discharges outer cabin air outlet 1012.
In the possibility of the present embodiment, outer cabin 101 is installed with pressure transducer hole 105 and flow transducer hole 106; Along gas flow direction, be respectively equipped with flow transducer hole 106 near the two ends of multiple splitter 103; Pressure transducer hole 105 is provided with between multiple splitter 103 and outer cabin air outlet 1012.After flow through bypass sheet 103, the flow velocity along the cross-wise direction of gas flowing is more even, thus improves pressure transducer and flow transducer respectively to the output pressure of gas and the degree of accuracy of flow detection; Preferably, pressure transducer hole 105 and flow transducer hole 106 are positioned at air channel, outer cabin 1013.
Pressure transducer hole 105 is for being communicated with pressure transducer; Flow transducer hole 106 is for being communicated with flow transducer.Flow transducer adopts the existing sensor with two measured holes, can greatly reduce because flow transducer hole 106 blocks the error caused, to make the gas flow values of detection more accurate; Preferably, flow transducer adopts passive device, so that the installation of flow transducer and operation.
Further, along the cross-wise direction of gas flowing, multiple splitter 103 is positioned at the length being shorter in length than the splitter 103 being positioned at both sides of middle splitter 103, so that flow through multiple splitter 103 passage gas can more can be good act on pressure transducer and flow transducer, and then improve its accuracy of detection; Preferably, along the cross-wise direction of gas flowing, multiple splitter 103 is symmetrical set, and pressure transducer hole 105 and flow transducer hole 106 lay respectively on this line of symmetry; Along gas flow direction, the two ends of splitter 103 are circular arc, to reduce the resistance of splitter 103 pairs of gases.
In the possibility of the present embodiment, when the quantity of splitter 103 is three, be positioned at the length being shorter in length than the splitter 103 being positioned at both sides of middle splitter 103, pressure transducer hole 105 and flow transducer hole 106 lay respectively at middle splitter 103 along on the extended line of gas flow direction, so as the force value of pressure transducer and flow transducer detected gas and flow value more accurate.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a blower fan cabin, is applicable to respirator, it is characterized in that, comprises outer cabin and interior cabin, and described interior freight space is inner in described outer cabin;
Be provided with outer cabin air inlet between described outer cabin and described interior cabin, described outer cabin is also provided with outer cabin air outlet;
Multiple splitter is installed with in described outer cabin; Described multiple splitter is near described outer cabin air outlet;
Described multiple splitter is arranged along the cross-wise direction interval that gas flows, and extends along gas flow direction;
Described interior cabin is used for fixing blower fan, and described blower fan is used for making gas in this blower fan flow through described multiple splitter from described outer cabin air inlet, flows to described outer cabin air outlet.
2. blower fan cabin according to claim 1, is characterized in that, the splitter between adjacent described splitter is apart from equal; The length of described splitter and the ratio of described splitter distance are greater than 10, and described splitter is 1.5mm-2.5mm apart from scope.
3. blower fan cabin according to claim 2, is characterized in that, the length of described splitter and the ratio range of described splitter distance are 10-20.
4. blower fan cabin according to claim 3, is characterized in that, the quantity of described splitter is three.
5. the blower fan cabin according to any one of claim 1-4, is characterized in that, described outer cabin comprises air channel, outer cabin, and the two ends in air channel, described outer cabin arrange described outer cabin air inlet and described outer cabin air outlet respectively; Described multiple splitter is installed in air channel, described outer cabin; Air channel, described outer cabin helically wire.
6. blower fan cabin according to claim 5, is characterized in that, described outer cabin air inlet is fixedly connected with the fan outlet of described blower fan; The axis being axially perpendicular to described outer cabin air inlet of described outer cabin air outlet; Inside, described outer cabin is provided with diffusion chamber, and air channel, described outer cabin is communicated with by described diffusion chamber with described outer cabin air outlet; Along described gas flow direction, the sectional area in described diffusion chamber is greater than the sectional area in air channel, described outer cabin, and the sectional area in described diffusion chamber is greater than the sectional area of described outer cabin air outlet.
7. blower fan cabin according to claim 6, is characterized in that, described diffusion intracavity is installed with wind deflector; Described wind deflector near air outlet place, described outer cabin, and along the tangential extension of described outer cabin air outlet.
8. blower fan cabin according to claim 7, is characterized in that, described wind deflector is parallel to described splitter.
9. the blower fan cabin according to any one of claim 1-4, is characterized in that, described outer cabin is installed with pressure transducer hole and flow transducer hole; Along described gas flow direction, be respectively equipped with described flow transducer hole near the two ends of described multiple splitter; Described pressure transducer hole is provided with between described multiple splitter and described outer cabin air outlet;
Described pressure transducer hole is for being communicated with pressure transducer; Described flow transducer hole is for being communicated with flow transducer.
10. blower fan cabin according to claim 9, is characterized in that, along the cross-wise direction that described gas flows, described multiple splitter is positioned at the length being shorter in length than the described splitter being positioned at both sides of middle described splitter; Along described gas flow direction, the two ends of described splitter are circular arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510846399.XA CN105268069B (en) | 2015-11-27 | 2015-11-27 | Blower fan cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510846399.XA CN105268069B (en) | 2015-11-27 | 2015-11-27 | Blower fan cabin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105268069A true CN105268069A (en) | 2016-01-27 |
| CN105268069B CN105268069B (en) | 2017-11-14 |
Family
ID=55138448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510846399.XA Active CN105268069B (en) | 2015-11-27 | 2015-11-27 | Blower fan cabin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105268069B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1302356A (en) * | 1998-05-27 | 2001-07-04 | 株式会社荏原制作所 | Turbomachinery impeller |
| CN2567386Y (en) * | 2002-08-30 | 2003-08-20 | 天津市通风机厂 | Pressure return type outlet noise silencer |
| CN1809397A (en) * | 2003-06-20 | 2006-07-26 | 雷斯梅德有限公司 | Breathable gas apparatus with humidifier |
| TW200636169A (en) * | 2005-04-01 | 2006-10-16 | Shwin-Chung Wong | A flow distributor for a fan |
| CN1955492A (en) * | 2005-10-25 | 2007-05-02 | 西北工业大学 | Louver distribution of raising pneumatic stability |
| CN102472292A (en) * | 2009-12-02 | 2012-05-23 | 三菱重工业株式会社 | Impeller for centrifugal compressor |
| CN102686888A (en) * | 2009-10-29 | 2012-09-19 | 雷斯麦德有限公司 | Patient ventilation device and components thereof |
| CN103608593A (en) * | 2011-06-14 | 2014-02-26 | 斯奈克玛 | Turbomachine element |
| CN104047897A (en) * | 2013-03-15 | 2014-09-17 | 雷勃美国公司 | Centrifugal blower assembly and method for assembling the same |
| CN204553347U (en) * | 2015-03-17 | 2015-08-12 | 广东美的制冷设备有限公司 | The spiral case of centrifugal blower, centrifugal blower and air conditioner |
-
2015
- 2015-11-27 CN CN201510846399.XA patent/CN105268069B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1302356A (en) * | 1998-05-27 | 2001-07-04 | 株式会社荏原制作所 | Turbomachinery impeller |
| CN2567386Y (en) * | 2002-08-30 | 2003-08-20 | 天津市通风机厂 | Pressure return type outlet noise silencer |
| CN1809397A (en) * | 2003-06-20 | 2006-07-26 | 雷斯梅德有限公司 | Breathable gas apparatus with humidifier |
| TW200636169A (en) * | 2005-04-01 | 2006-10-16 | Shwin-Chung Wong | A flow distributor for a fan |
| CN1955492A (en) * | 2005-10-25 | 2007-05-02 | 西北工业大学 | Louver distribution of raising pneumatic stability |
| CN102686888A (en) * | 2009-10-29 | 2012-09-19 | 雷斯麦德有限公司 | Patient ventilation device and components thereof |
| CN102472292A (en) * | 2009-12-02 | 2012-05-23 | 三菱重工业株式会社 | Impeller for centrifugal compressor |
| CN103608593A (en) * | 2011-06-14 | 2014-02-26 | 斯奈克玛 | Turbomachine element |
| CN104047897A (en) * | 2013-03-15 | 2014-09-17 | 雷勃美国公司 | Centrifugal blower assembly and method for assembling the same |
| CN204553347U (en) * | 2015-03-17 | 2015-08-12 | 广东美的制冷设备有限公司 | The spiral case of centrifugal blower, centrifugal blower and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105268069B (en) | 2017-11-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9375166B2 (en) | Flow sensor | |
| AU2021290240B2 (en) | Flow mixers for respiratory therapy systems | |
| CN106345025A (en) | Amortization cover and breathing machine | |
| CN105288808B (en) | Lung ventilator | |
| CN105268069A (en) | Blower cabin | |
| US20230030268A1 (en) | Ventilator | |
| EP3511042B1 (en) | Cpap device | |
| CN112245739B (en) | Aeration treatment equipment and air inlet structure thereof | |
| CN105298872B (en) | Blower fan | |
| CN107630725A (en) | Suitable for testing the air inlet volute of ride | |
| CN204337459U (en) | A kind of endotracheal tube with Inner guide groove | |
| CN105275845B (en) | Blower fan | |
| CN205252247U (en) | Breathing machine | |
| CN209221226U (en) | A kind of detection of gas flow rate device of ventilator | |
| WO2022089584A1 (en) | Nasal plug for nasal oxygen catheter, nasal oxygen catheter and ventilation therapy device | |
| EP3277354B1 (en) | Flow member | |
| CN208024630U (en) | Air channel structure, wind turbine and kitchen ventilator | |
| CN209704915U (en) | Centrifugation blade, courtyard machine and the air-conditioning system with it | |
| CN219700723U (en) | Gas mixing structure and breathing machine | |
| CN206745711U (en) | A kind of air-duct apparatus of lung ventilator | |
| CN205580529U (en) | Flowmeter auxiliary device | |
| CN217409521U (en) | Breathing machine | |
| CN215275247U (en) | Tracheal catheter with plastic inner diversion trench | |
| CN206613011U (en) | Amortization cover and breathing machine | |
| CN214260305U (en) | Air-oxygen mixing device for breathing machine with uniform mixing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |