CN106939906B - A kind of ventilation device - Google Patents
A kind of ventilation device Download PDFInfo
- Publication number
- CN106939906B CN106939906B CN201710274102.6A CN201710274102A CN106939906B CN 106939906 B CN106939906 B CN 106939906B CN 201710274102 A CN201710274102 A CN 201710274102A CN 106939906 B CN106939906 B CN 106939906B
- Authority
- CN
- China
- Prior art keywords
- escape pipe
- lower case
- liquid
- upper cover
- inner fovea
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
- F04D29/058—Bearings magnetic; electromagnetic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/083—Sealings especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/705—Adding liquids
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention provides a kind of ventilation devices, belong to aeration technology field.This ventilation device, including lower case, upper cover, escape pipe, upper cover lid is closed in the upper end of lower case, escape pipe is connected to lower case, the lower part of lower case has tank, there is inner fovea part in the middle part of the bottom surface of lower case, through hole is offered at the top of inner fovea part, the inlet end rotation of escape pipe is located in inner fovea part, outlet side is rotatably arranged on the inlet end of blower, through hole is equipped with filter core, upper lid is equipped with baffle, lower case, inlet channel is formed between upper cover and baffle, guide vane is equipped in escape pipe, rotation is equipped with impeller sleeve on inner fovea part, impeller sleeve is equipped with impeller, driven magnet is provided on the impeller sleeve of the tubulose, active magnet corresponding with the driven magnet on impeller sleeve is equipped on escape pipe, magnetic fluid rotatory sealing is carried out using magnetic fluid bearing between escape pipe and inner fovea part.The present invention has the advantages that can to purify air and energy saving.
Description
Technical field
The invention belongs to aeration technology fields, are related to a kind of ventilation device.
Background technique
Ventilation device uses extensively, for example building, ship and automobile have use.Ventilation device generally has air hose and wind
Machine composition, blower drive air to flow in air hose, to realize the purpose divulged information to fixed location.
Air in air hose contains kinetic energy, how using and to recycle these kinetic energy be a problem to be solved.
In addition it is possible to there can be some impurity particles from the extraneous air for entering air hose, these impurity particles enter wind
After machine, can blade to blower and inner cavity damage, reduce the service life of blower.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, a kind of ventilation device, this ventilation dress are proposed
Air can be purified by setting, energy saving.
Object of the invention can be realized by the following technical scheme: a kind of ventilation device, including lower case, upper cover, go out
Tracheae, the upper cover lid are closed in the upper end of lower case, and the escape pipe is connected to lower case, and the lower part of the lower case has liquid
Body cabin is provided with liquid in the tank, has the inner fovea part of circular in cross-section in the middle part of the bottom surface of the lower case, described
Offer through hole at the top of inner fovea part, the inlet end of the escape pipe is rotatably arranged in inner fovea part and end and through hole
Concordantly, the outlet side of the escape pipe is rotatably arranged on the inlet end of blower, and the position of the through hole is higher than the liquid of liquid
Face is provided with filter core on the through hole, baffle is vertically arranged on upper lid, between the lower case, upper cover and baffle
The inlet channel that gap forms detour is all had, there is gap, the escape pipe between the baffle lower end and the liquid level of liquid
In be provided with the guide vane that escape pipe can be driven to rotate when having air-flow to pass through in escape pipe, rotate on the inner fovea part and set
It is equipped with the impeller sleeve of tubulose, several impellers are provided on the impeller sleeve, the impeller is located in liquid, the impeller shaft
Set is coaxially disposed with escape pipe, is provided with driven magnet on the impeller sleeve of the tubulose, is provided on escape pipe and impeller shaft
The corresponding active magnet of driven magnet on set carries out magnetic fluid rotation using magnetic fluid bearing between the escape pipe and inner fovea part
Turn sealing.
After blower is opened, air enters from inlet channel, has certain gap between baffle lower end and the liquid level of liquid,
So that air-flow can impact downwards liquid level after entering, make impurity by liquid adsorption, then air-flow enters escape pipe by filter core,
Filter core can filter out impurity included in air-flow again, and when air-flow enters escape pipe, gas shock guide vane makes to obtain
Tracheae rotation is rotated synchronously, so that liquid is stirred, in the work of centrifugal force when escape pipe rotates by magnetic drives impeller
To increase far from the liquid level at impeller with lower so that liquid comes into full contact with air-flow, can play preferably go it is deimpurity
Effect, magnetic fluid bearing can play excellent sealing effect and can reduce the rotary resistance of escape pipe.
In above-mentioned ventilation device, the guide vane is turbine turbine, and turbine turbine and escape pipe are coaxially disposed, thoroughly
Flat turbine is fixed by horizontal support and escape pipe.Escape pipe is driven to rotate by gas shock turbine turbine, air-flow
Kinetic energy is changed into the rotational kinetic energy of escape pipe.
In above-mentioned ventilation device, it is cased in lower case moving up and down for adjusting between lower case and upper cover
The retaining ring in gap, the material of the retaining ring are rubber.Using retaining ring move up and down can be used to adjust lower case and upper cover it
Between gap size, and then be used to adjust the size that the air-flow in lower case is entered from inlet channel, the retaining ring of rubber material
Have the advantages that deformable, mobile and sealing effect is good.
In above-mentioned ventilation device, the bottom of the tank has lower concave part, is provided with impurity in the lower concave part
Net is obstructed, the effect of lower concave part is that the impurity entered in liquid is sunk in lower concave part, and impurity obstructs net can be with
The mutual flowing for reducing liquid prevents the impurity in lower concave part from rising again with the liquid stream of agitation.
In above-mentioned ventilation device, the impurity barrier netting gear is magnetic.To adsorb ferromagnetic impurity.
In above-mentioned ventilation device, air inlet pipe is provided on the upper lid, the air inlet pipe is connected to the inside of upper cover,
Be provided with control valve in the air inlet pipe, when inlet channel enter the air-flow in lower case it is too small when, can with opening controlling valve,
Extraneous air is entered in lower case by air inlet pipe, and by entering in escape pipe after filter core.
In above-mentioned ventilation device, splash-back is provided at the top of the inner fovea part, the splash-back is along inner fovea part
Circumferential setting
The effect of splash-back prevents because the agitation of impeller is so that liquid is splashed on filter core, and then is prevented liquid entry into
Into blower, damage blower is avoided.
In above-mentioned ventilation device, the edge of the splash-back has a downward inclined surface, the inclined surface and baffle
Between lower edge have gap, the free margins of the inclined surface and the lower edge of baffle it is concordant or protrude baffle lower edge.
The liquid that inclined surface can to splash on splash-back quickly glides and converges in tank again, described to incline
And the lower edge of baffle is concordant or the purpose of lower edge of protrusion baffle is so that liquid is difficult to enter for the free margins on inclined-plane
In the space surrounded by baffle and splash-back, further avoids liquid and splash on filter core.
In above-mentioned ventilation device, rack gear is arranged in the circumferential of the escape pipe, is provided with power generation in the lower case
Machine is provided with gear, the gear ring and gear engaged transmission on the input shaft of the generator.
The kinetic energy of escape pipe rotation passes to the input shaft of generator by gear drive, so that the input shaft of generator turns
Dynamic power generation, recovery section kinetic energy play energy-efficient effect.
In above-mentioned ventilation device, the liquid is pure water.
Compared with prior art, this ventilation device has the advantage that
1, the kinetic energy power generation energy conservation and environmental protection of air-flow is utilized by gas flow tube.
2, using filter device, preparatory filtering has been carried out to air-flow, plays the role of protecting blower.
3, preparatory filtering has been carried out to air-flow using liquid, play the role of protecting blower.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is partial structural diagram of the invention.
When Fig. 3 is wheel rotation, the schematic diagram of liquid levels.
In figure, 1, lower case；1a, inner fovea part；1b, through hole；2, upper cover；3, filter core；3a, splash-back；4, baffle；5, it keeps off
Circle；6, tank；7, turbine turbine；8, driven magnet；9, active magnet；10, magnetic fluid bearing；11, gear ring；12, generator；
12a, gear；13, lower concave part；14, impurity obstructs net；15, control valve；16, air inlet pipe；17, escape pipe；17a, blower；18, leaf
Wheel shaft；19, impeller.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figure 1 to Figure 3, a kind of ventilation device, including lower case 1, upper cover 2, escape pipe 17, the lid of upper cover 2 close
In the upper end of lower case 1, the escape pipe 17 is connected to lower case 1, and the lower part of the lower case 1 has tank 6, the liquid
It is provided with liquid in body cabin 6, there is the inner fovea part 1a of circular in cross-section, the inner fovea part in the middle part of the bottom surface of the lower case 1
Offer through hole 1b at the top of 1a, the inlet end of the escape pipe 17 is rotatably arranged in inner fovea part 1a and end and runs through
Hole 1b is concordant, and the outlet side of the escape pipe 17 is rotatably arranged on the inlet end of blower 17a, and the position of the through hole 1b is high
In being provided with filter core 3 on the liquid level of liquid, the through hole 1b, be vertically arranged with baffle 4 in upper cover 2, the lower case 1, on
Lid 2 and baffle 4 all have the inlet channel that gap forms detour each other, between 4 lower end of baffle and the liquid level of liquid
With gap, leading for the rotation of escape pipe 17 can be driven when having air-flow to pass through in escape pipe 17 by being provided in the escape pipe 17
Blade is flowed, rotation is provided with the impeller sleeve 18 of tubulose on the inner fovea part 1a, if being provided with cured leaf on the impeller sleeve 18
Wheel 19, the impeller 19 is located in liquid, and the impeller sleeve 18 is coaxially disposed with escape pipe 17, the impeller sleeve 18 of the tubulose
On be provided with driven magnet 8, active magnet 9 corresponding with the driven magnet 8 on impeller sleeve 18 is provided on escape pipe 17,
Magnetic fluid rotatory sealing is carried out using magnetic fluid bearing 10 between the escape pipe 17 and inner fovea part 1a.
After blower 17a is opened, air enters from inlet channel, has centainly between 4 lower end of baffle and the liquid level of liquid
Gap makes impurity by liquid adsorption, then air-flow is entered by filter core 3 so that air-flow can impact downwards liquid level after entering
Escape pipe 17, filter core 3 can filter out impurity included in air-flow again, and when air-flow enters escape pipe 17, gas shock is led
Blade is flowed, so that escape pipe 17 rotates, when escape pipe 17 rotates, is rotated synchronously by magnetic drives impeller 19, to stir
Hydrodynamic body makes to increase far from the liquid level at impeller 19 under the influence of centrifugal force, can be with so that liquid comes into full contact with air-flow
It plays and preferably goes deimpurity effect, magnetic fluid bearing 10 can play excellent sealing effect and can reduce escape pipe 17
Rotary resistance.
Specifically, the guide vane is turbine turbine 7, and turbine turbine 7 and escape pipe 17 are coaxially disposed, turbine turbine
7 is fixed by horizontal support and escape pipe 17.Escape pipe 17 is driven to rotate by gas shock turbine turbine 7, air-flow
Kinetic energy is changed into the rotational kinetic energy of escape pipe 17.
Specifically, it is cased in lower case 1 moving up and down for adjusting gap between lower case 1 and upper cover 2
Retaining ring 5, the material of the retaining ring 5 are rubber.It is moved up and down using retaining ring 5 between being used to adjust between lower case 1 and upper cover 2
The size of gap, and then it is used to adjust the size that the air-flow in lower case 1 is entered from inlet channel, the retaining ring 5 of rubber material has
There is deformable advantage, mobile and sealing effect is good.
Specifically, the bottom of the tank 6 has lower concave part 13, and impurity barrier net is provided in the lower concave part 13
14。
Specifically, the top edge of impurity barrier net 14 is lower than impeller 19.
The effect of lower concave part 13 is to enter the impurity in liquid and sink in lower concave part 13, and impurity obstructs net
14 can reduce the mutual flowing of liquid, prevent the impurity in lower concave part 13 from rising again with the liquid stream of agitation.
Specifically, the impurity barrier net 14 has magnetism, can adsorb ferromagnetic impurity.
Specifically, air inlet pipe 16 is provided in the upper cover 2, the air inlet pipe 16 is connected to the inside of upper cover 2, described
Control valve 15 is provided in air inlet pipe 16.When inlet channel enter the air-flow in lower case 1 it is too small when, can be with opening controlling valve
15, extraneous air is entered in lower case 1 by air inlet pipe 16, and by entering escape pipe after filter core 3
In 17.
Specifically, splash-back 3a is provided at the top of the inner fovea part 1a, the splash-back 3a was along inner fovea part 1a weeks
To setting.The effect of splash-back 3a prevents because the agitation of impeller 19 is so that liquid is splashed on filter core 3, and then avoids liquid
It enters in blower 17a, avoids damage blower 17a.
Specifically, the edge of the splash-back 3a has a downward inclined surface, the lower edge of the inclined surface and baffle 4 it
Between have gap, the free margins of the inclined surface it is concordant with the lower edge of baffle 4 or protrude baffle 4 lower edge.Inclined surface
The liquid on splash-back 3a can to splash quickly to glide and converge to again in tank 6,
The free margins of the inclined surface is concordant with the lower edge of baffle 4 or the purpose of lower edge of protrusion baffle 4 is to make
It obtains liquid to be difficult to enter into the space surrounded by baffle 4 and splash-back 3a, further avoids liquid and splash on filter core 3.
Specifically, rack gear 11 is arranged in the circumferential of the escape pipe 17, is provided with generator 12 in the lower case 1,
Gear 12a, the gear ring 11 and gear 12a engaged transmission are provided on the input shaft of the generator 12.
The kinetic energy that escape pipe 17 rotates passes to the input shaft of generator 12 by gear drive, so that generator 12 is defeated
Enter axis rotation power generation, recovery section kinetic energy plays energy-efficient effect.
In above-mentioned ventilation device, the liquid is pure water.When the liquid in tank 6 because evaporation equal loss with
Afterwards, directly upper cover 2 can be disassembled from the upper end of lower case 1, pure water is then added into tank 6, it is easy to operate,
It is low in cost.
In above-mentioned ventilation device, the bottom of the lower concave part 13 is provided with drainage plug, the drainage plug and lower casing
Sealed set between body 1, drainage plug can be used to discharge the impurity being deposited in lower concave part 13, easy to operate, quick.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (5)
1. a kind of ventilation device, including lower case (1), upper cover (2), escape pipe (17), upper cover (2) lid is closed in lower case
(1) upper end, the escape pipe (17) are connected to lower case (1), which is characterized in that the lower part of the lower case (1) has liquid
Body cabin (6) is provided with liquid in the tank (6), has the interior of circular in cross-section in the middle part of the bottom surface of the lower case (1)
Recess portion (1a) offers through hole (1b) at the top of the inner fovea part (1a), and the inlet end of the escape pipe (17) rotates setting
In inner fovea part (1a) and end is concordant with through hole (1b), and the outlet side of the escape pipe (17) is rotatably arranged on blower
On the inlet end of (17a), the position of the through hole (1b) is higher than the liquid level of liquid, is provided with filter core on the through hole (1b)
(3), it is vertically arranged with baffle (4) in upper cover (2), between the lower case (1), upper cover (2) and baffle (4) all have each other
Gap forms the inlet channel of detour, has gap between baffle (4) lower end and the liquid level of liquid, in the escape pipe (17)
It is provided with the guide vane that escape pipe (17) can be driven to rotate when having air-flow to pass through in escape pipe (17), the inner fovea part
Rotation is provided with the impeller sleeve (18) of tubulose on (1a), is provided with several impellers (19) on the impeller sleeve (18), described
Impeller (19) is located in liquid, and the impeller sleeve (18) and escape pipe (17) are coaxially disposed, the impeller sleeve (18) of the tubulose
On be provided with driven magnet (8), master corresponding with driven magnet (8) on impeller sleeve (18) is provided on escape pipe (17)
Moving magnet (9) carries out magnetic fluid rotatory sealing using magnetic fluid bearing (10) between the escape pipe (17) and inner fovea part (1a).
2. ventilation device according to claim 1, which is characterized in that the guide vane is turbine turbine (7), described
Flat turbine (7) and escape pipe (17) are coaxially disposed, and the turbine turbine (7) is fixed by horizontal support and escape pipe (17).
3. ventilation device according to claim 1, which is characterized in that be cased with use moving up and down on lower case (1)
In the retaining ring (5) for adjusting gap between lower case (1) and upper cover (2), the material of the retaining ring (5) is rubber.
4. ventilation device according to claim 1, which is characterized in that the bottom of the tank (6) has lower concave part
(13), impurity barrier net (14) is provided in the lower concave part (13).
5. ventilation device according to claim 4, which is characterized in that impurity barrier net (14) has magnetism.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811168602.2A CN109139571B (en) | 2017-04-25 | 2017-04-25 | Ventilation device |
| CN201710274102.6A CN106939906B (en) | 2017-04-25 | 2017-04-25 | A kind of ventilation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710274102.6A CN106939906B (en) | 2017-04-25 | 2017-04-25 | A kind of ventilation device |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811168602.2A Division CN109139571B (en) | 2017-04-25 | 2017-04-25 | Ventilation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106939906A CN106939906A (en) | 2017-07-11 |
| CN106939906B true CN106939906B (en) | 2018-12-18 |
Family
ID=59464811
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811168602.2A Active CN109139571B (en) | 2017-04-25 | 2017-04-25 | Ventilation device |
| CN201710274102.6A Active CN106939906B (en) | 2017-04-25 | 2017-04-25 | A kind of ventilation device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811168602.2A Active CN109139571B (en) | 2017-04-25 | 2017-04-25 | Ventilation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN109139571B (en) |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3733213C1 (en) * | 1987-10-01 | 1989-05-11 | Daimler Benz Ag | Air filter housing of an internal combustion engine |
| KR100369559B1 (en) * | 2000-12-18 | 2003-02-05 | 기아자동차주식회사 | Centrifugal wet type air cleaner |
| JP2004239119A (en) * | 2003-02-04 | 2004-08-26 | Fuji Heavy Ind Ltd | Oil bath type air cleaner |
| CN2695662Y (en) * | 2004-02-25 | 2005-04-27 | 贺向阳 | Water-filter air filter |
| CN200968248Y (en) * | 2006-11-22 | 2007-10-31 | 任秀军 | Oil type air filtering device |
| CN201049226Y (en) * | 2007-05-08 | 2008-04-23 | 大庆四环科技开发有限公司 | Stirring type multi-medium filter |
| CN203627025U (en) * | 2013-11-28 | 2014-06-04 | 中国北车集团大连机车车辆有限公司 | Box type air filter of diesel locomotive |
| CN105888897A (en) * | 2015-01-12 | 2016-08-24 | 李云昊 | Liquid air filter for automobile |
| CN204716427U (en) * | 2015-06-23 | 2015-10-21 | 常州市武进礼嘉永安塑纤厂 | Explosive motor air-strainer used |
| CN205578146U (en) * | 2016-04-07 | 2016-09-14 | 王攀 | Engine filter of improvement structure |
| CN206035683U (en) * | 2016-09-19 | 2017-03-22 | 王增海 | Engine filter |
-
2017
- 2017-04-25 CN CN201811168602.2A patent/CN109139571B/en active Active
- 2017-04-25 CN CN201710274102.6A patent/CN106939906B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109139571B (en) | 2020-02-28 |
| CN109139571A (en) | 2019-01-04 |
| CN106939906A (en) | 2017-07-11 |
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