CN203802388U - Jet type dust collector - Google Patents
Jet type dust collector Download PDFInfo
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- CN203802388U CN203802388U CN201420165843.2U CN201420165843U CN203802388U CN 203802388 U CN203802388 U CN 203802388U CN 201420165843 U CN201420165843 U CN 201420165843U CN 203802388 U CN203802388 U CN 203802388U
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Abstract
The utility model provides a jet type dust collector. Based on the dust collector in the prior art, and through adopting two types of techniques, the corresponding functional design of the jet type dust collector is realized as follows: 1) through adding components such as an air flow divider valve (D), an air-ejecting pipe (4), and the like, the jet type dust collector realizes the following three functions: a) middle partial jetting and peripheral dust-collecting; b) peripheral jetting and middle part dust-collecting; c) jetting on one side and dust-collecting on the other side. Dust-collecting effect on intractable dust is improved, and the contact type dust-collecting mode is changed; 2) an air purifier (A) is used for replacing the dust-collecting bag in the dust collector. According to the jetting type dust collector, the functional design that using a purification fluid to collect dust and purify air is realized, and the problem that secondary contamination caused during the processing of the dust in the dust-collecting bag is reduced effectively.
Description
Technical field
The present invention relates to a kind of dust catcher, especially a kind of can be to the strong jet dust catcher in part, a kind of contact dust suction mode especially, change into the dust catcher that dust is sprayed to the contactless dust suction mode of dust suction, or a kind of with scavenging solution to the dust catcher that absorbs airborne dust, purifies air.
Background technology
Some air dried cities, contain a large amount of dusts in air., in life or office, within several days, do not clean at home, windowsill, the furniture surface upper a thick layer of dust that will fall, needs often cleaning dust.Manual cleaning is wasted time and energy undoubtedly, and effect is always not very good yet.Utilize existing dust catcher, can only carry out contact dust suction; And in family, office indoor article different, only have the article of only a few to be applicable to contact dust suction.Some intractable dust, directly the effect of dust suction is also bad; If first strongly jet to part by jet plane, dust is blown afloat, then use dust catcher dust suction, effect can be well a lot.Yet, the separated use of jet plane and dust catcher, dust is impacted enters air, and wherein a part can directly be sucked in own body by operator, is unfavorable for that operator's is healthy.After a lot of dusts are impacted, can not be absorbed by dust catcher, can be scattered to surrounding, cause secondary pollution.
In addition, existing dust catcher mainly utilizes dust collecting sleeve to collect dust.Part dust can gush out with air from the hole of dust collecting sleeve on the one hand, likely has influence on the healthy of operator; On the other hand, people dispose the common method of dust in dust collecting sleeve and are: dust is poured into dustbin or be poured on rubbish heap; And the dust that this method is disposed is easy to be blown in the air by wind, shine into the secondary pollution of air.
Summary of the invention
In order to improve the pick-up performance to intractable dust, change contact dust suction mode, the invention provides a kind of jet-propelled dust catcher.The secondary pollution causing while disposing dust in dust collecting sleeve in order to reduce, the invention provides a kind of dust catcher that absorbs dust, purifies air with scavenging solution.
Jet-propelled dust catcher of the present invention, the parts that comprise the existing dust catchers such as dust suction cavity, high pressure positive blower, basket strainer and cavity thereof at air intake duct, dust collecting sleeve and place thereof, also comprise air jet pipe, air flow divider, the first-class newly-increased parts of jet-propelled dust suction, be characterized on existing dust catcher basis, do following 4 improvement:
1) increase a gas distribution valve; Gas distribution valve has an air inlet and two gas outlets; Gas diverter has spool and the adjusting knob that regulates two gas outlet flow proportionals; The air inlet of gas diverter is connected with the gas outlet of dust catcher mesohigh blower fan; A gas outlet of gas diverter connects air jet pipe 4, and basket strainer is led in another gas outlet;
2) air intake duct 8 and air jet pipe 4 of dust catcher, connect a jet-propelled cleaner head jointly; Jet-propelled cleaner head is divided into three kinds: local jet a), surrounding is air-breathing; B) surrounding is jet, middle local air-breathing; C) a side spray gas, opposite side is air-breathing;
3) dust collecting sleeve before dust catcher mesohigh blower fan, by air purifier, A replaces; The air inlet of air purifier A connects the air intake duct of dust catcher; The gas outlet of air purifier A connects the air inlet of high pressure positive blower;
4) air purifier A is arranged between high pressure positive blower and air flow divider: the air intake duct of dust catcher, the air inlet of connection high pressure positive blower; The gas outlet of high pressure positive blower, the air inlet of connection air purifier A; The gas outlet of air purifier A connects the air inlet of gas distribution valve;
In described air purifier A, be preinstalled with scavenging solution; The air inlet 6 of clarifier A inwardly connects the air duct 7 of clarifier A, and air duct 7 leads to the scavenging solution of prepackage in clarifier A; Air enters clarifier A by air inlet 6, and the air after purification, by the gas outlet 5 of clarifier A, flows out through liquid reflux channel A1.
Described liquid reflux channel A1, for stopping, condense the scavenging solution splashing, and returns scavenging solution water conservancy diversion in clarifier A.
Beneficial effect of the present invention:
Dust catcher of the present invention, at the air entry place of dust catcher design puff prot; When dust catcher is worked in dust suction, puff prot is jet to the part of unsuitable dust suction, helps intractable dust to depart from its attachment surface, can promote pick-up performance.
Dust catcher of the present invention, has realized non-contacting dust suction mode; Can utilize and jet dust be impacted, dust suction in the time of jet, has improved the absorption efficiency of the dust of kicking up, and has reduced the secondary pollution of airborne dust.
Dust catcher of the present invention, absorbs dust, purifies air with scavenging solution, the secondary pollution having caused while having avoided disposing dust in existing dust collecting sleeve.
In the present invention, the container and the liquid reflux channel that hold scavenging solution are easy to clean.If water is as scavenging solution, not only environmental protection, its use cost is quite cheap; Other scavenging solution is also worth, is convenient to popularize.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that forms the parts of jet-propelled dust catcher of the present invention.Wherein, B is the dust suction cavity of built-in dust collecting sleeve; The 21st, the air inlet of vacuum chamber B; The 22nd, the gas outlet of vacuum chamber B; C is the high pressure positive blower of dust catcher; The 23rd, high pressure positive blower C air inlet; The 24th, the gas outlet of high pressure positive blower C; D is air flow divider; The 25th, the air inlet of air flow divider D; 26, the 27th, two gas outlets of air flow divider D, the 30th, the adjusting knob of air flow divider D; E is the cavity at basket strainer place; The 28th, the air inlet of basket strainer cavity E; The 29th, the gas outlet of basket strainer cavity E; F is the jet-propelled cleaner head that a kind of centre is jet, surrounding is air-breathing; 2, the 3rd, the blow vent of jet-propelled cleaner head F, leads to respectively the peripheral suction hole of jet-propelled cleaner head F plane and the fumarole of middle subrange; The 8th, air intake duct; The 4th, air jet pipe.
Fig. 2 is the schematic diagram of air purifier A and liquid reflux channel A1 in the present invention.Wherein, clarifier A comprises the air duct 7 of gas outlet 5, air inlet 6 and clarifier A; The air inlet 6 of clarifier A is connected with the air duct 7 of clarifier A.A1 is liquid reflux channel; The 1st, the gas outlet in liquid reflux channel A1; 9, the 10, the 11st, one group of catch schematic diagram in liquid reflux channel A1.
Fig. 3 is the another kind of schematic diagram of air purifier A in the present invention.Clarifier A comprises the air duct 7 of gas outlet 5, air inlet 6 and clarifier A; The air inlet 6 of clarifier A is connected with the air duct 7 of clarifier A.
Fig. 4 is a kind of floor map of liquid reflux channel A1.Wherein, the gas outlet 5 of clarifier A, chamber P1 is communicated with first order liquid backflow; First order liquid backflow chamber P1 is by the vertical air duct i1 of the first order, and P2 is communicated with liquid backflow chamber, the second level; Liquid backflow chamber, second level P2 is by the vertical air duct i2 in the second level, and chamber P3 is communicated with third level liquid backflow; Third level liquid backflow chamber P3 is communicated with air intake duct 4.
Fig. 5 is the another kind of floor map of liquid reflux channel A1.Wherein, the gas outlet 5 of clarifier A, chamber P1 is communicated with first order liquid backflow; The air duct i1 that first order liquid backflow chamber P1 tilts by the first order, P2 is communicated with liquid backflow chamber, the second level; The air duct i2 that liquid backflow chamber, second level P2 tilts by the second level, chamber P3 is communicated with third level liquid backflow; Third level liquid backflow chamber P3 is communicated with air intake duct 4.In the bottom of return passage P1, P2, P3, be provided with pipeline L1, the L2, the L3 that liquid drain are returned to clarifier.
Fig. 6 is the schematic diagram of giving vent to anger dividing plate in scavenging solution and giving vent to anger and netting.Wherein 15 is the dividing plates of giving vent to anger of porous; The 16th, the net of giving vent to anger, hole 13,14 is for inserting the air duct in clarifier A.
Fig. 7 is the profile of a kind of clarifier A.Wherein, the 6th, the air inlet of clarifier A; The 7th, the air duct of clarifier A; The 17th, the porous in scavenging solution give vent to anger baffle plate or the net of giving vent to anger; The 18th, the liquid level of scavenging solution; The 19th, the liquid backflow baffle plate of scavenging solution top; Arrow refers to the direction of air draught in clarifier A.
The specific embodiment
Jet-propelled dust catcher of the present invention, the parts that comprise the existing dust catchers such as dust suction cavity, high pressure positive blower, basket strainer and cavity thereof at air intake duct, dust collecting sleeve and place thereof, also comprise air jet pipe, air flow divider, the first-class newly-increased parts of jet-propelled dust suction, be characterized in: on original dust catcher basis, by two class technology, realized corresponding Functional Design:
First kind technology: on existing dust catcher basis, do following 2 improvement, as shown in Figure 1:
1) increase a gas distribution valve D; Gas distribution valve D has an air inlet 25 and two gas outlets 26,27; Gas diverter D has spool and the adjusting knob 30 that regulates two gas outlet flow proportionals; The air inlet 25 of gas diverter D is connected with the gas outlet 24 of dust catcher mesohigh blower fan C; A gas outlet 26 of gas diverter D connects air jet pipe 4, and basket strainer E is led in another gas outlet 27;
2) gas outlet of the air intake duct 8 of dust catcher, the air inlet 21 of connection dust suction cavity B; The gas outlet of the air inlet of air intake duct 8 and air jet pipe 4, connects a jet-propelled cleaner head F jointly; Jet-propelled cleaner head F is divided into three kinds: local jet a), surrounding is air-breathing; B) surrounding is jet, middle local air-breathing; C) a side spray gas, opposite side is air-breathing.
This technology has improved the pick-up performance to intractable dust; And changed the pattern of contact dust suction.
Equations of The Second Kind technology: on the basis of first kind technology, the dust suction cavity B in dust catcher, replace with air purifier A, clarifier A as shown in Figure 1 and Figure 2.The air inlet 6 of air purifier A connects the air intake duct 8 of dust catcher; The gas outlet 5 of air purifier A, the air inlet of connection liquid reflux channel A1; The gas outlet of liquid reflux channel A1, connects high pressure positive blower C air inlet 23;
In described air purifier A, be preinstalled with scavenging solution; The air inlet 6 of clarifier A inwardly connects the air duct 7 of clarifier A, and air duct 7 leads to the scavenging solution of prepackage in clarifier A; The gas outlet 5 of clarifier A, is externally connected with liquid reflux channel A1;
Described scavenging solution is clear water or the solution with sterilization, sterilizing function;
Described liquid reflux channel A1 is by catch or filter screen or large cavity, to realize the air duct of liquid backflow function.Can be one or more in following five kinds of designs:
1) catch that barrier liquid enters gas outlet 1 is set in liquid reflux channel A1; One group of catch is staggered, as shown in Fig. 29,10,11; The catch of air in liquid reflux channel A1 upwards flows out space around; One or more groups dismountable catch is set in liquid reflux channel A1;
2) liquid reflux channel A1 is comprised of the main air passage i1 vertically designing and liquid backflow chamber P1, or is composed in series by multi-staged air passage i1, i2... and liquid backflow chamber P1, P2, P3..., as shown in Figure 4;
3) liquid reflux channel A1 is tilted by one-level air duct i1 and liquid backflow chamber P1 form, or be composed in series by air duct i1, i2... and liquid backflow chamber P1, P2, the P3... of multistage inclination, bottom at return passage P1, P2, P3, pipeline L1, the L2, the L3... that liquid drain are returned to meeting clarifier are set, as shown in Figure 5;
4) liquid reflux channel A1 is reduced to a sufficiently long air duct straight up or obliquely;
5) other the air duct that can realize liquid backflow function.
This technology purifies the air dust suction of inspiration by scavenging solution, can effectively reduce the problem that causes secondary pollution while disposing dust in dust collecting sleeve.
Embodiment 1:
Jet-propelled dust catcher of the present invention, as shown in Figure 1, connected mode is as follows for its critical piece:
The air inlet 21 of the dust suction cavity B of built-in dust collecting sleeve, connects air intake duct 8; The gas outlet 22 of B, connects the air inlet 23 of the high pressure positive blower C of dust catcher; The gas outlet 24 of high pressure positive blower C, the air inlet 25 of connection air flow divider D; Two gas outlets of air flow divider D, wherein gas outlet 27 connects the air inlet 28 of the cavity E at basket strainer place, and gas outlet 26 connects air jet pipe 4; The adjusting knob 30 of air flow divider D, for adjusting the throughput ratio between gas port 26,27; Portion of air is after basket strainer E filters, and from gas outlet, 29 discharge; Another part air flows out from air jet pipe 4.
The gas outlet of air jet pipe 4 connects the blow vent 3 of jet-propelled cleaner head F; The air inlet of air intake duct 4 connects the blow vent 2 of jet-propelled cleaner head F.Wherein, in F, the diameter of fumarole is less, is conducive to spray high velocity air; Air entry in F is larger, is conducive to dust suction fast.
Such design, can realize jet-propelled cleaner head F middle local jet, the function of surrounding dust suction; And jet amount is less than inspiratory capacity, is conducive to pick-up performance, reduced the secondary pollution of airborne dust.
Jet-propelled cleaner head is divided into three kinds: local jet a), surrounding is air-breathing; B) surrounding is jet, middle local air-breathing; C) a side spray gas, opposite side is air-breathing.Here introduced that middle part is jet, the design of the jet-propelled cleaner head of surrounding dust suction and method of attachment; The design of other two kinds of jet-propelled cleaner head and method of attachment, can design similarly.
Embodiment 2:
On the basis of embodiment 1, the dust collecting sleeve before dust catcher mesohigh blower fan, by air purifier, A replaces: the air inlet 6 of air purifier A connects the air intake duct 8 of dust catcher A; The gas outlet 5 of air purifier A, the air inlet of connection liquid reflux channel A1, the gas outlet 1 of liquid reflux channel A1, the air inlet 23 of connection dust catcher high pressure positive blower C; As shown in Figure 1 and Figure 2.
In described air purifier A, be preinstalled with scavenging solution; The air inlet 6 of clarifier A inwardly connects the air duct 7 of clarifier A, and air duct 7 leads to the scavenging solution of prepackage in clarifier A; The gas outlet 5 of clarifier A, A1 is connected with liquid reflux channel, and the air after purification is 1 outflow through liquid reflux channel A1 gas outlet;
Described scavenging solution is clear water or the solution with sterilization, sterilizing function;
Described liquid reflux channel A1, inside arranges the catch that barrier liquid splashes; One group of catch 9,10,11 is staggered, as described in Figure 2.The catch of air in liquid reflux channel A1 upwards flows out space around; One or more groups dismountable catch is set in liquid reflux channel A1.
In the design, basket strainer E can be omitted.
Embodiment 3:
On the basis of embodiment 2, the air purifier A of described replacement dust collecting sleeve is arranged on described high pressure positive blower C, and between described air flow divider D:
The air intake duct 8 of dust catcher, the air inlet 23 of the high pressure positive blower C of connection; The gas outlet 24 of high pressure positive blower C, the air inlet 6 of connection air purifier A; The gas outlet 5 of air purifier A, by liquid reflux channel A1, connects the air inlet 25 of air flow divider D; Two gas outlets of air flow divider D, wherein gas outlet 27 connects the air inlet 28 of the cavity E at basket strainer place, and gas outlet 26 connects air jet pipe 4; The adjusting knob 30 of air flow divider D, for adjusting the throughput ratio between gas port 26,27; Portion of air is after basket strainer E filters, and from gas outlet, 29 discharge; Another part air flows out from air jet pipe 4.As shown in Figure 1 and Figure 2.
The gas outlet of air jet pipe 4 connects the blow vent 3 of jet-propelled cleaner head F; The air inlet of air intake duct 4 connects the blow vent 2 of jet-propelled cleaner head F.This is local jet in the middle of being, the situation that surrounding is air-breathing.Other two classes situations: jet, the middle local air-breathing situation of surrounding; With a side spray gas, the air-breathing situation of opposite side, can similarly design.
Embodiment 4:
On the basis of embodiment 2,3, make following modification:
Gas distribution valve D is omitted or is reduced to common pipeline, and the air after purification is directly discharged, and is not used further to jet; Air jet pipe 4 is omitted; Jet-propelled cleaner head F is reduced to common cleaner head.
This is that a kind of scavenging solution that utilizes purifies air, and replaces the dust catcher purifying air with dust collecting sleeve.
Embodiment 5:
On the basis of embodiment 2-4, in order to promote contacting of air and scavenging solution, improve air purification effect, adopt one or more in following four kinds of measures:
1) air duct 7 of clarifier A leads to scavenging solution by one or more gas outlets;
2) position of the gas outlet of air duct 7 is purifying below liquid level;
3) gas outlet of air duct 7 is shower nozzle or netted gas outlets of porous;
4), for the large air bubble in scavenging solution of flowing through being decomposed into the air-flow of minor diameter, in scavenging solution, the top of the gas outlet of air duct 7, arranges give vent to anger dividing plate 15 or the net 16 of giving vent to anger of porous, as shown in Figure 6.Its mesopore 13,14 is for inserting air duct 7.According to the size of the needs of air cleaning rate and power comprehensively set out air bound plate 15 or the net 16 of giving vent to anger in the size of venthole fixed, reason is: venthole is less, is more conducive to gas-liquid and fully contacts, required power is larger; Venthole is larger, and required power is less, but the contact effect of gas-liquid is slightly once poor.In order to prevent that large quantity of air from emerging from the gap of dividing plate 15 or net 16 sides of giving vent to anger, at this place, gap, rubber spacer is set, or dividing plate 15 and the net 16 of giving vent to anger is made bowl-shape, and back-off is in scavenging solution.This designs as shown in Figure 7: the 6th, and the air inlet of clarifier A; The 7th, the air duct of clarifier A; The 17th, the porous in scavenging solution give vent to anger baffle plate or the net of giving vent to anger; The 18th, the liquid level of scavenging solution; Arrow refers to the direction of air draught in clarifier A.
In addition, above purifying liquid level, one deck or which floor liquid backflow baffle plate are set.This designs as shown in Figure 7, and the 19th, the liquid backflow baffle plate of scavenging solution top.
Embodiment 6:
On the basis of embodiment 1,2,3,5, gas distribution valve is omitted or is reduced to common pipeline, the air after purification is all for jet.Such dust catcher advantage is more thoroughly to evoke airborne dust, is conducive to the dust suction of particular location.
Embodiment 7:
On the basis of embodiment 1,2,3,5,6, the gas outlet of described air jet pipe 4, the air entry with described air intake duct 8, adopts same design size; Described jet-propelled cleaner head F, two interfaces 2 that are connected with air jet pipe 4, air intake duct 8 and 3, adopt symmetric design.In such dust catcher, a jet-propelled cleaner head that middle part is jet, surrounding is air-breathing, adjusts inserting mode, has just become jet, the middle local air-breathing jet-propelled cleaner head of surrounding; To a side spray gas, the air-breathing jet-propelled cleaner head of opposite side, to adjust after inserting mode, its jet and air-breathing position also can be adjusted accordingly.
Described air jet pipe 4 and air intake duct 8 can adopt integral type design.
Claims (9)
1. a jet-propelled dust catcher, comprises and it is characterized in that the cavity at cavity, high pressure positive blower, basket strainer and the place thereof at air intake duct, dust collecting sleeve and place thereof: on existing dust catcher basis, do following 2 improvement:
1) increase a gas distribution valve; Gas distribution valve has an air inlet and two gas outlets; Gas distribution valve has spool and the adjusting knob that regulates two gas outlet throughput ratios; The air inlet of gas distribution valve is connected with the gas outlet of blower fan in dust catcher; A gas outlet of gas distribution valve connects air jet pipe (4), and basket strainer is led in another gas outlet;
2) air intake duct of dust catcher (8) and air jet pipe (4), connect a jet-propelled cleaner head jointly; Jet-propelled cleaner head is divided into three kinds: local jet a), surrounding is air-breathing; B) surrounding is jet, middle local air-breathing; C) a side spray gas, opposite side is air-breathing.
2. jet-propelled dust catcher as claimed in claim 1, is characterized in that: the dust collecting sleeve in dust catcher before blower fan, is replaced by air purifier (A): the air inlet of air purifier (A) connects the air intake duct (4) of dust catcher; The gas outlet of air purifier (A), by liquid reflux channel (A1), the air inlet of connecting fan;
In described air purifier (A), be preinstalled with scavenging solution; The air inlet (6) of clarifier (A) inwardly connects the air duct (7) of clarifier (A), and air duct (7) leads to the scavenging solution of prepackage in clarifier (A); The gas outlet (5) of clarifier (A), is connected with liquid reflux channel (A1);
Described scavenging solution is clear water or the solution with sterilization, sterilizing function;
Described liquid reflux channel (A1) is by catch or filter screen or large cavity, to realize the air duct of liquid backflow function.
3. jet-propelled dust catcher as claimed in claim 2, is characterized in that: described air duct (7) leads to scavenging solution and adopts one or more in following four kinds of modes:
1) described air duct (7) leads to scavenging solution by one or more gas outlets;
2) position of the gas outlet of air duct (7) is purifying below liquid level;
3) gas outlet of air duct (7) is shower nozzle or the netted gas outlet of porous;
4) in the top of the gas outlet of described air duct (7), purify the below of liquid level, give vent to anger dividing plate or the net of giving vent to anger of porous is set.
4. jet-propelled dust catcher as claimed in claim 2, is characterized in that: gas distribution valve is omitted or is reduced to common air duct: the gas outlet of described blower fan, directly lead to basket strainer; Air jet pipe (4) is omitted; Jet-propelled cleaner head is reduced to common cleaner head.
5. the jet-propelled dust catcher as described in claim 1 or 2 or 3, is characterized in that: gas distribution valve is omitted or is reduced to common pipeline; The gas outlet of described blower fan, connects air jet pipe (4); In existing dust catcher, last one basket strainer is omitted.
6. jet-propelled dust catcher as claimed in claim 2, is characterized in that: between the blower fan described in the air purifier (A) of described replacement dust collecting sleeve is arranged on and described air flow divider: the air intake duct of dust catcher, the air inlet of connecting fan; The gas outlet of blower fan, the air inlet (6) of connection air purifier (A); The gas outlet (5) of air purifier (A), by liquid reflux channel (A1), connects the air inlet of gas distribution valve.
7. the jet-propelled dust catcher as described in claim 1 or 2 or 6, is characterized in that: the gas outlet of described air jet pipe (4), and the air inlet with described air intake duct (8), adopts same design size; Two interfaces in described jet-propelled cleaner head, adopt symmetric design.
8. the jet-propelled dust catcher as described in claim 1 or 2 or 6, is characterized in that: described air jet pipe (4) and air intake duct 8 adopt integral type design.
9. the jet-propelled dust catcher as described in claim 2 or 6, is characterized in that: last one basket strainer of existing dust catcher is omitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420165843.2U CN203802388U (en) | 2014-04-06 | 2014-04-06 | Jet type dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420165843.2U CN203802388U (en) | 2014-04-06 | 2014-04-06 | Jet type dust collector |
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| Publication Number | Publication Date |
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| CN203802388U true CN203802388U (en) | 2014-09-03 |
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| CN201420165843.2U Expired - Fee Related CN203802388U (en) | 2014-04-06 | 2014-04-06 | Jet type dust collector |
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| CN (1) | CN203802388U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104970737A (en) * | 2014-04-06 | 2015-10-14 | 刘先忠 | Jet type dust collector |
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2014
- 2014-04-06 CN CN201420165843.2U patent/CN203802388U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104970737A (en) * | 2014-04-06 | 2015-10-14 | 刘先忠 | Jet type dust collector |
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Granted publication date: 20140903 Termination date: 20170406 |
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| CF01 | Termination of patent right due to non-payment of annual fee |