CN103101884B - Portable oxygenerator - Google Patents
Portable oxygenerator Download PDFInfo
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- CN103101884B CN103101884B CN201310077946.3A CN201310077946A CN103101884B CN 103101884 B CN103101884 B CN 103101884B CN 201310077946 A CN201310077946 A CN 201310077946A CN 103101884 B CN103101884 B CN 103101884B
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Abstract
The invention relates to the technical field of oxygen generating equipment, and in particular relates to a portable oxygenerator. The portable oxygenerator comprises an air pump, a molecular tube and a molecular seat, wherein the molecular tube is detachably fixed at the side wall of the molecular seat; the air pump is arranged at the lower part of the molecular seat; an air filtering bucket, an oxygen storing bucket and an air leakage silencing bucket are arranged in the molecular seat; the air filtering bucket is provided with an air inlet communicated with the outside air; an air channel, an oxygen channel and an air leakage channel are arranged in the molecular seat; the air channel is respectively communicated with the air filtering bucket, the air pump and the molecular tube; the oxygen channel is respectively communicated with the molecular tube and the oxygen storing bucket; the air leakage channel is respectively communicated with the molecular tube and the air leakage silencing bucket; and the air channel, the oxygen channel and the air leakage channel are respectively connected to a magnetic valve. The portable oxygenerator disclosed by invention has the advantages that the external pipelines and the air channels are concentrated and arranged in the molecular seat, no gas pipeline is seen on the appearance and the assembling space is compact, so that the carry or the transport is convenient, the production cost is greatly reduced and the general popularization and application are benefited.
Description
Technical field
The present invention relates to oxygen generating plant technical field, particularly a kind of Portable Oxygen generator.
Background technology
Along with the development of social civilization and medical science and technology each side, the mankind have had significant progress for research and the control of disease, so also increase thereupon of the mankind's mean lifetime, and the arriving that causes aging society has been inevitable trend; But comparatively speaking, also bring many negative impacts, wherein with global environment, suffer serious destruction the most obvious, for example the mankind be subjected to sometimes baffled Ji Bing ﹙ as SARS ﹚ or the bad Huan Jing of E ﹙ attacking in retaliation as Storms or bitter cold, heat or Tu Shi Liu ﹚.Nowadays, external environment is troubling, in order to reduce the day by day possibility of rugged environment and baffled affect, mankind's work of should preparing everything well, therefore wherein oxygen is the indispensable gas of human survival, at inside filling molecular screen material and import high-pressure air and the oxygenerator of deriving that can produce oxygen voluntarily becomes a kind of important device.
Oxygenerator, except using for emergency, is also often used in the symptom of a lot of chronic diseases, for example: asthma patient and expiratory dyspnea symptom patient have and prepare oxygenerator standby necessity at any time; Separately, because inhale pure oxygen, can stimulate circulation more, make brains pure and fresh, and can Ginseng Extract, effectively promote working efficiency, therefore, in daily life or working space, have oxygenerator and use to facilitate at any time, be also good mode of life.
Yet existing habit oxygenerator is to adopt ready-made assembling parts to form mostly, and because the airflow duct of outside installation is complicated, cause existing oxygenerator comparatively loose and huge on assembling space, it is very inconvenient to carry or carry, and even has influence on holistic cost, makes price high.
Summary of the invention
The object of the invention is provides a kind of simple in structure for the deficiencies in the prior art, and assembling space consolidation, is convenient for carrying or carries, and the low Portable Oxygen generator of production cost.
For achieving the above object, the present invention adopts following technical scheme.
A kind of Portable Oxygen generator is provided, comprise air pump and molecule pipe, also comprise a minute stroma, described molecule pipe is removably fixed in described minute stroma sidewall, described air pump is arranged at described minute stroma bottom, in described minute stroma, be provided with air filtration bucket, storage oxygen bucket and disappointing muffling bucket, described air filtration bucket is provided with the inlet mouth being communicated with outside air, in described minute stroma, offer air passageways, oxygen channel and disappointing passage, described air passageways respectively with described air filtration bucket, described air pump and described molecule pipe are communicated with, described oxygen channel is communicated with described molecule pipe and described storage oxygen bucket respectively, described disappointing passage is communicated with described molecule pipe and described disappointing muffling bucket respectively, described air passageways, oxygen channel and disappointing passage are connected with respectively magnetic valve.
Wherein, described molecule pipe comprises the first molecule pipe and the second molecule pipe, and described the first molecule pipe and described the second molecule pipe are by the complementary channel connection of oxygen, and the complementary passage of oxygen is connected with magnetic valve, and magnetic valve both sides are respectively arranged with the complementary variable valve of oxygen.
Wherein, within described minute, stroma comprises upper cover, pedestal and the lower cover setting gradually from top to bottom, and described pedestal is spirally connected with described upper cover, described lower cover respectively.
Wherein, the outlet side of described molecule pipe is provided with out oxygen gas head, described upper cover be provided with go out oxygen gas head coordinate install go out oxygen gas head groove.
Wherein, the top that goes out oxygen gas head described in is provided with umbrella shape check reflux.
Wherein, described pedestal comprises integrated top, middle part and bottom, and the side of described pedestal is " work " shape, and the two ends at described top offer respectively through hole, and the two ends of described bottom are respectively arranged with counterbore, and described counterbore is positioned under described through hole.
Wherein, the outlet side of described air pump is provided with motor connecting joint, and described lower cover is provided with tongue and groove joint over against the position of the inlet end of described molecule pipe, tongue and groove joint and the socket of described motor connecting joint.
Wherein, the outer wall of described minute stroma is provided with some radiator element, and some radiator element are spaced.
Wherein, the air passageways between described molecule pipe and described air pump is connected with over-pressure safety device.
Wherein, the inlet end of described air pump is provided with suction head, is provided with air-breathing noise reduction road between the cylinder of described air pump and gas bucket, and the rotation axis of described air pump is provided with safety cover.
Beneficial effect of the present invention is: during use, extraneous air enters in air pump by air filtration bucket and the air passageways in minute stroma, air pump pumps into the air after compression in molecule pipe, after molecule pipe air inlet oxygen, by oxygen channel, oxygen is stored in oxygen bucket, and remaining nitrogen is outputed to and lost heart in muffling bucket by the passage that loses heart.Portable Oxygen generator of the present invention, concentrates outside pipeline, gas circuit to design in minute stroma, can't see in appearance gas piping, and assembling space consolidation, is convenient for carrying or carries, and greatly reduces production cost, is conducive to generally apply.
The invention has the advantages that:
(1) oxygenerator of the present invention has the integrated pipeline gas flow loop of high-tech formula spatial design, breaks through the outside structure that complicated airflow duct is installed of traditional oxygenerator, ease of assembly, carries or carries.
(2) the present invention is simple in structure, and the design of two molecule pipes can realize circulation oxygen, and working efficiency is high.
(3) setting of a plurality of magnetic valves, is conducive to coordinate in minute stroma the open and close intercommunication of having ready conditions of each gas passage, and simple to operate, working (machining) efficiency is high.
(4) oxygenerator volume of the present invention light and handy, be convenient for carrying, applicable to family health care oxygen therapy, oxygenating etc. after physical activity, simultaneously also can be on plateau high height above sea level, under the extreme climate environments such as air rarefaction, use.
Accompanying drawing explanation
Fig. 1 is the pedestal two dimensional structure schematic diagram of minute stroma of a kind of Portable Oxygen generator of the present invention.
Fig. 2 is the pedestal side structure schematic diagram of minute stroma of a kind of Portable Oxygen generator of the present invention.
Fig. 3 is the upper cover Facad structure schematic diagram of minute stroma of a kind of Portable Oxygen generator of the present invention.
Fig. 4 is the upper cover structure schematic diagram of minute stroma of a kind of Portable Oxygen generator of the present invention.
Fig. 5 is the schematic diagram of a kind of Portable Oxygen generator of the present invention.
Fig. 6 is the decomposition texture schematic diagram of a kind of Portable Oxygen generator of the present invention.
In Fig. 1 to Fig. 6, include:
1---air pump 11---suction head
12---air-breathing noise reduction road 13---rotation axis
14---safety cover 15---counterweight copper
16---motor connecting joint
2---molecule pipe 20---molecule tube seat
21---first molecule pipe 22---second molecule pipe
23---going out oxygen gas head 24---umbrella shape check reflux
3---minute stroma 31---air passageways
32---oxygen channels 33---passage that loses heart
34---the complementary passage 35 of oxygen---upper cover
36---pedestal 361---top
362---middle part 363---bottom
37---lower cover 38---molecule pipe frame
4---air filtration bucket 5---storage oxygen bucket
51---oxygen amount output variable valve 52---oxygen supply pipeline
53---the complementary variable valve 6 of oxygen---lose heart muffling bucket
7---magnetic valve 8---O-ring seal
9---radiator element 10---over-pressure safety device.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
As shown in Figures 1 to 6, Portable Oxygen generator of the present invention, comprise air pump 1 and molecule pipe 2, also comprise minute stroma 3, described molecule pipe 2 is removably fixed in described minute stroma 3 sidewalls, described air pump 1 is arranged at described minute stroma 3 bottoms, in described minute stroma 3, be provided with air filtration bucket 4, storage oxygen bucket 5 and disappointing muffling bucket 6, described air filtration bucket is provided with the inlet mouth being communicated with outside air, in described minute stroma 3, offer air passageways 31, oxygen channel 32 and disappointing passage 33, described air passageways 31 respectively with described air filtration bucket 4, described air pump 1 and described molecule pipe 2 are communicated with, described oxygen channel 32 is communicated with described molecule pipe 2 and described storage oxygen bucket 5 respectively, described disappointing passage 33 is communicated with described molecule pipe 2 and described disappointing muffling bucket 6 respectively, described air passageways 31, oxygen channel 32 and disappointing passage 33 are connected with respectively magnetic valve 7.
During use, extraneous air is by dividing after air filtration bucket 4 filter cleanings in stroma 3, by air passageways 31, be transported in air pump 1, air pump 1 is transported to the air after compression in molecule pipe 2, use conversion electromagnetic valve to control air passageways 31 air inlet and disappointing in turn of these molecule pipe 2 bottoms, under molecular screen material effect, molecule pipe 2 produces oxygen, utilize oxygen channel 32 that oxygen is stored in oxygen bucket 5, and remaining nitrogen is outputed to and lost heart in muffling bucket 6 by the passage 33 that loses heart, when user need to use oxygen, by oxygen from the 5 interior outputs of storage oxygen bucket.Portable Oxygen generator of the present invention, concentrates outside pipeline, gas circuit to design in minute stroma 3, can't see in appearance gas piping, and assembling space consolidation, is convenient for carrying or carries, and greatly reduces production cost, is conducive to generally apply.Molecule pipe of the present invention (being molecule screen casing) employing PSA(pressure-variable adsorption) oxygen mode is carried out oxygen, and wherein, PSA oxygenerating technology is prior art, repeats no more its oxygen principle here.
Particularly, minute stroma 3 sidewalls offer molecule tube seat 20, for fixed member pipe 2, simple in structure, the convenient molecule pipe 2 of installing.The outlet side of storage oxygen bucket 5 is connected with oxygen supply pipeline 52, the inlet end of oxygen supply pipeline 52 is connected in series aerobic amount output variable valve 51, magnetic valve 7 successively, when oxygen amount output variable valve 51 is exported for oxygen, pressure is adjusted, stablize the amount of oxygen output and output oxygen, with magnetic valve 7, control storage oxygen bucket 5 and be made with output with conditions oxygen.After molecule pipe 2 air inlet oxygens, utilize magnetic valve 7 to close air passageways 31 and open the passage 33 that loses heart simultaneously, thereby realize storage oxygen, let out nitrogen, simple in structure.
As shown in Figure 5, the molecule pipe 2 of the present embodiment comprises the first molecule pipe 21 and the second molecule pipe 22, described the first molecule pipe 21 and described the second molecule pipe 22 are communicated with by the complementary passage 34 of oxygen, the complementary passage 34 of oxygen is connected with magnetic valve 7, and magnetic valve 7 both sides are respectively arranged with the complementary variable valve 53 of oxygen.
When the second molecule pipe 22 loses heart, open the complementary variable valve 53 of oxygen, the oxygen of the first molecule pipe 21 interior manufactures can be transported to by the complementary passage 34 of oxygen the top of the second molecule pipe 22, be conducive to the nitrogen in the second molecule pipe 22 to be discharged from bottom, guarantee that the nitrogen in the second molecule pipe 22 fully releases, the working (machining) efficiency of raising the second molecule pipe 22 and the oxygen purity making are high.In like manner, the second molecule pipe 22 in the time of gas-leaking state the first molecule pipe 21 in oxygen state; The first molecule pipe 21 in the time of gas-leaking state the second molecule pipe 22 in oxygen state, during use, only need to successively open the magnetic valve 7 being connected with the first molecule pipe 21, the second molecule pipe 22, and open the complementary variable valve 53 of oxygen, utilize magnetic valve 7 pipeline loop of having ready conditions to control, guarantee that two molecule pipes 2 realize uninterrupted duty, thereby be conducive to the oxygen that circulates, improve working (machining) efficiency of the present invention.
Further, the complementary passage 34 of oxygen is connected with airshed variable valve, is conducive to the interior oxygen demand of Molecular regulator pipe 2, and regulates the interior oxygen complementary demand of each molecule pipe 2 amount.Preferably, described molecule pipe 2 also comprises the 3rd molecule pipe, and the 3rd molecule pipe is communicated with by the complementary passage 34 of oxygen with described the first molecule pipe 21, described the second molecule pipe 22, further improves the working (machining) efficiency of oxygenerator.Certainly, described molecule pipe 2 can also comprise the 4th molecule pipe, the 5th molecule pipe, and user can rationally arrange the number of molecule pipe 2 according to the number of required pure oxygen amount, and ease of use is high, practical.
As shown in Figure 6, minute stroma 3 of the present embodiment comprises upper cover 35, pedestal 36 and the lower cover 37 setting gradually from top to bottom, and described pedestal 36 is spirally connected with described upper cover 35, described lower cover 37 respectively, simple in structure, is convenient to assembly and disassembly, and working (machining) efficiency is high.Particularly, the straight-through lower cover 37 of described pedestal 36 is provided with a long screw to air pump 1, and pedestal 36, lower cover 37 and air pump 1 are spirally connected fixing, guarantee the assembling space consolidation of minute stroma 3, and work reliability is strong.
Further, the complementary passage 34 of oxygen is arranged in described upper cover 35, the outside air being entered by upper cover 35--pedestal 36--lower cover 37 is after the filter cleaning of this air filtration bucket 4, air pump 1 will be inputted by these molecule pipe 2 bottoms after air compressing, make air through molecule pipe 2 material effects, thereby produce oxygen, and the guiding of the complementary passage 34 of oxygen of this upper cover 35 of process, and enter, store up the 5 interior storages of oxygen bucket, user is when using, oxygen supplies user by storage oxygen bucket 5 output pure oxygens in time, the complementary passage 34 of oxygen is arranged at upper cover 35, make each airflow pipeline design of minute stroma 3 more reasonable, put forward the space availability ratio of polymeric block 3, practical.
Further, between described upper cover 35 and the top of described molecule pipe 2, be provided with airtight cushion rubber, further strengthen the resistance to air loss of molecule pipe 2 outlet sides, practical.
As shown in Figure 6, the outlet side of the molecule pipe 2 of the present embodiment is provided with out oxygen gas head 23, described upper cover 35 be provided with go out oxygen gas head 23 coordinate install go out oxygen gas head groove, guaranteeing that oxygen that molecule pipe 2 makes fully enters in storage oxygen bucket 5 stores, effectively avoid oxygen to leak from the outlet side of molecule pipe 2, resistance to air loss is good.
Further, the side that described upper cover 35 is connected with described pedestal 36 is provided with molecule pipe frame 38 and gum cover, for airtight molecule pipe 2, prevents that the oxygen in molecule pipe 2 from leaking from going out oxygen gas head 23.
As shown in Figure 6, the top that goes out oxygen gas head 23 of the present embodiment is provided with umbrella shape check reflux 24.The setting of umbrella shape check reflux 24, the oxygen that is conducive to make in molecule pipe 2 enters the storage oxygen 5 interior whiles of bucket smoothly at molecule pipe 2 top checks, is conducive to avoid oxygen to reflux, can also be for stoping the oxygen intercommunication between each molecule pipe 2, safety in utilization is strong, practical.
As shown in Figure 2, the pedestal 36 of the present embodiment comprises integrated top 361, middle part 362 and bottom 363, the side of described pedestal 36 is " work " shape, the two ends at described top 361 offer respectively through hole, the two ends of described bottom 363 are respectively arranged with counterbore, and described counterbore is positioned under described through hole.When molecule pipe 2 is installed, directly molecule pipe 2 is inserted and molecule pipe 2 stably can be attached to the sidewall at the middle part 362 of described pedestal 36 along through hole, simple in structure, easy assembly and disassembly.
As shown in Figure 6, the outlet side of the air pump 1 of the present embodiment is provided with motor connecting joint 16, and described lower cover 37 is provided with tongue and groove joint over against the position of the inlet end of described molecule pipe 2, tongue and groove joint and 16 sockets of described motor connecting joint.During use, air pump 1 will pass lower cover 37 by motor connecting joint 16 after air compressing, makes gas carry out oxygen from the 2 bottoms inputs of molecule pipe, and resistance to air loss is good.
Further, between described lower cover 37 and the bottom of described molecule pipe 2, be provided with airtight cushion rubber, further strengthen the resistance to air loss of molecule pipe 2 inlet ends, practical.
As shown in Figure 1, the outer wall of minute stroma 3 of the present embodiment is provided with some radiator element 9, and some radiator element 9 are spaced.The air-flow being beneficial in air pump 1 and minute stroma 3 of flowing through that is provided with of radiator element 9 dispels the heat, and is conducive to extend the work-ing life of oxygenerator, and simple in structure, work reliability is strong.
As shown in Figure 5, the molecule pipe 2 of the present embodiment and the air passageways 31 between described air pump 1 are connected with over-pressure safety device 10.When this air passageways 31 blocks, the pressure regulator valve of over-pressure safety device 10 is automatically adjusted to certain safe pressure control air passageways 31 and automatically loses heart, safe to use.
As shown in Figure 5, the inlet end of the air pump 1 of the present embodiment is provided with suction head 11, is provided with air-breathing noise reduction road 12 between the cylinder of described air pump 1 and gas bucket, and the rotation axis 13 of described air pump 1 is provided with safety cover 14.The setting of suction head 11; be conducive to coordinate in the air inspiration air pump 1 after dehumidifying is filtered; after being compressed by air pump again, be transported in molecule pipe 2; 12, air-breathing noise reduction road is conducive to reduce the noise that air pump 1 acting produces; when safety cover 14 is guaranteed air pump 1 acting, avoiding foreign matter disturbs; safety in utilization is good, and work reliability is strong.
Further, the outer counterweight copper 15 that is arranged with of the rotation axis 13 of described air pump 1, improves the inertia that air pump 1 is inflated, and effectively reduces the loss of air pump 1, extends the work-ing life of air pump 1.
Certainly, the above is only better embodiment of the present invention, and the equivalence of doing according to structure, feature and principle described in patent claim of the present invention therefore all changes or modifies, and is included in patent claim of the present invention.
Claims (7)
1. a Portable Oxygen generator, comprise air pump and molecule pipe, it is characterized in that: also comprise a minute stroma, described molecule pipe is removably fixed in described minute stroma sidewall, described air pump is arranged at described minute stroma bottom, in described minute stroma, be provided with air filtration bucket, storage oxygen bucket and disappointing muffling bucket, described air filtration bucket is provided with the inlet mouth being communicated with outside air, in described minute stroma, offer air passageways, oxygen channel and disappointing passage, described air passageways respectively with described air filtration bucket, described air pump and described molecule pipe are communicated with, described oxygen channel is communicated with described molecule pipe and described storage oxygen bucket respectively, described disappointing passage is communicated with described molecule pipe and described disappointing muffling bucket respectively, described air passageways, oxygen channel and disappointing passage are connected with respectively magnetic valve,
Within described minute, stroma comprises upper cover, pedestal and the lower cover setting gradually from top to bottom, and described pedestal is spirally connected with described upper cover, described lower cover respectively;
Described pedestal comprises integrated top, middle part and bottom, and the side of described pedestal is " work " shape, and the two ends at described top offer respectively through hole, and the two ends of described bottom are respectively arranged with counterbore, and described counterbore is positioned under described through hole;
Described molecule pipe comprises the first molecule pipe and the second molecule pipe, described the first molecule pipe and described the second molecule pipe are by the complementary channel connection of oxygen, the complementary passage of oxygen is connected with magnetic valve, and magnetic valve both sides are respectively arranged with the complementary variable valve of oxygen, and the complementary channel setting of oxygen is in described upper cover.
2. a kind of Portable Oxygen generator according to claim 1, is characterized in that: described molecule pipe also comprises the 3rd molecule pipe, and the 3rd molecule pipe and described the first molecule pipe, described the second molecule pipe are by the complementary channel connection of oxygen.
3. a kind of Portable Oxygen generator according to claim 2, is characterized in that: described molecule pipe also comprises the 4th molecule pipe, the 5th molecule pipe.
4. a kind of Portable Oxygen generator according to claim 1, it is characterized in that: the outlet side of described molecule pipe is provided with out oxygen gas head, described upper cover be provided with go out oxygen gas head coordinate install go out oxygen gas head groove, the side that described upper cover is connected with described pedestal is provided with molecule pipe frame and gum cover.
5. a kind of Portable Oxygen generator according to claim 4, is characterized in that: described in go out oxygen gas head top be provided with umbrella shape check reflux.
6. according to a kind of Portable Oxygen generator described in any one in claim 1 to 5, it is characterized in that: the rotation axis of described air pump is arranged with counterweight copper outward, the outlet side of described air pump is provided with motor connecting joint, described lower cover is provided with tongue and groove joint over against the position of the inlet end of described molecule pipe, tongue and groove joint and the socket of described motor connecting joint, air passageways between described molecule pipe and described air pump is connected with over-pressure safety device, the inlet end of described air pump is provided with suction head, between the cylinder of described air pump and gas bucket, be provided with air-breathing noise reduction road, the rotation axis of described air pump is provided with safety cover.
7. a kind of Portable Oxygen generator according to claim 1, is characterized in that: the outer wall of described minute stroma is provided with some radiator element, and some radiator element are spaced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310077946.3A CN103101884B (en) | 2013-03-12 | 2013-03-12 | Portable oxygenerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310077946.3A CN103101884B (en) | 2013-03-12 | 2013-03-12 | Portable oxygenerator |
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| Publication Number | Publication Date |
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| CN103101884A CN103101884A (en) | 2013-05-15 |
| CN103101884B true CN103101884B (en) | 2014-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310077946.3A Active CN103101884B (en) | 2013-03-12 | 2013-03-12 | Portable oxygenerator |
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| CN (1) | CN103101884B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103466555B (en) * | 2013-09-30 | 2015-07-22 | 东莞市立旺电子塑胶有限公司 | Portable pressure swing adsorption oxygen generation device |
| CN106185826A (en) * | 2015-05-01 | 2016-12-07 | 浙江为健医疗科技有限公司 | The air cleaning cooling rotator that oxygenerator is special |
| CN105731383B (en) * | 2015-12-31 | 2018-01-12 | 惠州市美亚飞电器有限公司 | A kind of oxygenerator with space oxygen-supplying function |
| CN114464308B (en) * | 2022-03-24 | 2022-08-23 | 中山清匠电器科技有限公司 | Independently portable oxygenerator based on thing networking data |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202625849U (en) * | 2012-06-28 | 2012-12-26 | 沈阳迈思医疗科技有限公司 | Portable closed-loop control molecular sieve oxygenerator |
| CN203128191U (en) * | 2013-03-12 | 2013-08-14 | 东莞市立旺电子塑胶有限公司 | Portable oxygen generator |
-
2013
- 2013-03-12 CN CN201310077946.3A patent/CN103101884B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202625849U (en) * | 2012-06-28 | 2012-12-26 | 沈阳迈思医疗科技有限公司 | Portable closed-loop control molecular sieve oxygenerator |
| CN203128191U (en) * | 2013-03-12 | 2013-08-14 | 东莞市立旺电子塑胶有限公司 | Portable oxygen generator |
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| CN103101884A (en) | 2013-05-15 |
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