CN103867496A - Liquid discharge device provided with ball thrust bearing and sliding conical bearing - Google Patents
Liquid discharge device provided with ball thrust bearing and sliding conical bearing Download PDFInfo
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- CN103867496A CN103867496A CN201410131849.2A CN201410131849A CN103867496A CN 103867496 A CN103867496 A CN 103867496A CN 201410131849 A CN201410131849 A CN 201410131849A CN 103867496 A CN103867496 A CN 103867496A
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- 239000007788 liquid Substances 0.000 title claims abstract description 102
- 239000012535 impurity Substances 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Cleaning In General (AREA)
Abstract
Provided is a liquid discharge device provided with a ball thrust bearing and a sliding conical bearing. The liquid discharge device comprises a pressure air supply device (7), a pressure chamber (8), a pressure supply pipe (9), a liquid discharge pipeline (10) and an obtaining and filtering device (20), wherein the pressure air supply device (7) is used for providing pressure for the pressure chamber (8) through the pressure supply pipe (9), the pressure chamber (8) can pressurize liquid inside the pressure chamber (8) and send out the liquid through the liquid discharge pipeline (10), the obtaining and filtering device (20) is arranged at the inner side end of the liquid discharge pipeline (10) and is used for filtering the liquid when the liquid discharge pipeline (10) obtains the liquid from the pressure chamber (8), the outer side end of the liquid discharge pipeline (10) is used for sending out the liquid in a flowing mode, and a liquid inlet (81) is formed in the top of the pressure chamber (8).
Description
Technical field
The present invention relates to a kind of device that utilizes air pressure to provide liquid, relate more particularly to a kind of air pressure of utilizing that can automatically remove floccule and provide the device of liquid.
Background technique
The device that utilizes air pressure to provide liquid is widely used a kind of equipment that sprays liquid in agricultural, greenery patches maintenance and industry.Utilize the water quality of use that air pressure provides the device of liquid according to the difference at water source and difference, therefore, for the device that prevents from utilizing air pressure to provide liquid is normally moved by the impurity effect in liquid, often there is filtration at the end that utilizes air pressure to provide the liquid sucking tube road of the device of liquid.
But, due to the suction that the device that utilizes air pressure to provide liquid forms in the time moving, a large amount of impurity absorption in the easy environs that liquid is provided to pipe end; And just resting on liquid, the impurity of some floccule provides the filter structure place of pipe end; In the course of time, these cotton-shaped impurity are more long-pending thicker, and the liquid properties of entering that can provide pipeline to liquid exerts an influence, and impact simultaneously utilize air pressure provide liquid device go out amount of liquid, and then waste power, impact is used; More seriously, can cause the power mechanism of the device that utilizes air pressure to provide liquid to occur overload and cause equipment Risk.
The general dependence of removing of the cotton-shaped impurity of filtrating equipment of the more existing input duct end that utilizes the device that air pressure provides liquid is manually carried out.Because the existing device water quality of utilizing air pressure to provide liquid has requirement, utilize the device that air pressure provides liquid also can from drawing liquid body fluid body source, shift out and clean termly even applied under the more occasion of impurity, thereby this problem still can be born.But, in some cases, the maintenance of for example urban lawn, the device that utilizes air pressure to provide liquid need to flow from some reserve liquid body source draw liquids, these reserve liquid body sources are for example the even undressed surface runoff water of rainwater, middle water reclaiming, and these appliance arrangements that utilize air pressure to provide liquid do not have the condition of regularly carrying out manual maintenance, therefore the normal operation that, provides the device of liquid with utility air pressure for the removing of impurity under this situation just has active demand.
Summary of the invention
The object of this invention is to provide a kind of air pressure of utilizing of utilizing air pressure to provide the cotton-shaped impurity screening of device liquid inlet pipe end of liquid of can automatically removing and provide the apparatus system of liquid, it does not need the power source that provides independent, and automatically according to specific needs cotton-shaped impurity is removed, or prevent adhering to of cotton-shaped impurity.
The technical solution used in the present invention is as follows:
A kind of air pressure of utilizing with sliding conical bearing and ball thrust bearing provides the device of liquid, comprise pressure air supplier, pressure chamber, pressure feed pipe, liquid provides pipeline and draws filtrating equipment, wherein, described pressure air supplier is for providing pressure by pressure feed pipe for pressure chamber, described pressure chamber can pressurize and provide pipeline by liquid the liquid in pressure chamber and send, the described medial extremity that draws filtrating equipment and be arranged on liquid and provide pipeline, for described liquid being filtered in the time that described liquid provides pipeline from pressure chamber's draw liquid, liquid provides the outboard end of pipeline and sends liquid for flowing, the top of described pressure chamber is provided with liquid inlet.
The described filtrating equipment that draws comprises that atmospheric communicating pipe, pressure enter pipe and solenoid valve, the first end of described atmospheric communicating pipe stretches out outside pressure chamber and is communicated with atmosphere, the first end that described pressure enters pipe in pressure chamber for being communicated with the air of the supercharging in pressure chamber.
The described filtrating equipment that draws also comprises rotatable parts and fixed component, wherein, fixed component comprises cylindrical drum portion and fixing frame portion, the upper end portion sealing of cylindrical drum portion, underpart opening, fixing frame portion is the annular frame with space, and the inside portion of described fixing frame portion is fixedly connected with the periphery of the upper end portion of cylindrical drum portion, and the lateral part of fixing frame portion is fixedly connected with the described medial extremity that liquid provides pipeline, thus, fixed component is fixed to liquid and provides pipeline.
Rotatable parts comprise central shaft, bottom lock disk, radially extend joint and part is stirred in rotation, the upper end of central shaft is tightly connected rotationally by the upper end portion of conical bearing and described cylindrical drum portion, and the upper end of central shaft is also provided with locking nut, described locking nut can press described conical bearing by the upwards tractive locking of described central shaft; The lower end of described central shaft is fixedly connected with the center of bottom lock disk, the excircle position of the upper surface of described bottom lock disk is sealed and contacts rotationally with the underpart of cylindrical drum portion by Stamping Steel Ribbon, thus, described bottom lock disk and described cylindrical drum portion can surround and form the chamber with sealing; The periphery of the outer circumference portion of described bottom lock disk is fixedly connected with the inner side of radially extending joint, the lower end that part is stirred with rotation in described outside of radially extending joint is fixedly connected with, the upper end that part is stirred in described rotation is connected by thrust-bearing with the described medial extremity that liquid provides pipeline, the outside that described rotation is stirred the peripheral of part and radially extended joint is provided with stirs bar, described in stir bar and can avoid the cotton-shaped impurity in liquid to adhere in rotating; Described rotation is stirred part, is radially extended in joint and fixing frame portion and be provided with the passage flowing through for liquid; Wherein, described conical bearing comprises outer sleeve and inner sleeve, and the outer surface of described outer sleeve is cone shape, internal surface is also cone shape, the outer surface of described inner sleeve is cone shape, and internal surface is cylindrical shape, and described cylindrical shape is around forming cylindrical hole for passing for central shaft; Between the outer surface of the internal surface of the cone shape of described outer sleeve and the cone shape of described inner sleeve, form the slidingsurface with lubricity; Thrust-bearing is divided into annulus and lower annulus, upper annulus divides and is connected with rotation clicking section, the inner side of lower annulus is inwardly stretched out and is formed interior protuberance with respect to upper annulus, described liquid provides on the external cylindrical surface of pipeline and is provided with circumferential recess, described interior protuberance embeds in described axial notch, between described upper annulus and lower annulus, is provided with ball.
Described central shaft is fixedly installed two rotation blades relative on diameter along its axial direction, and the inside of described cylindrical drum portion is fixedly installed two stator blades relative on diameter on its longitudinal direction, central shaft is arranged between described two stator blades and is tightly connected rotationally with it, thus, the inner space of described cylindrical drum portion is divided into four sealing sectors by two stator blades and two rotation blades.
Pressure enters the second end of pipe and the first entrance of solenoid valve is communicated with, the second entrance of solenoid valve is connected with the second end of described atmospheric communicating pipe, the first outlet of solenoid valve is connected with the first export pipeline, the first export pipeline is divided into the first outlet branch road A and the first outlet branch road B, the first outlet branch road A and the first outlet branch road B respectively with in described four sealing sectors on diameter relative two sectors be communicated with; The second outlet of solenoid valve is connected with the second export pipeline, the second export pipeline is divided into the second outlet branch road A and the second outlet branch road B, the second outlet branch road A and the second outlet branch road B respectively with in described four sealing sectors on diameter relative two other sector be communicated with; Solenoid valve comprises two working staties, and under the first working state, the first entrance is communicated with the first outlet, and the second entrance is communicated with the second outlet; Under the second working state, the first entrance is communicated with the second outlet, and the second entrance is communicated with the first outlet; Solenoid valve can controllably periodically conversion under described two working staties.
In the time of work, described pressure air supplier makes the air pressurized in pressure chamber, in the time that needs prevent that cotton-shaped impurity from adhering to, electromagnetic valve work, when in the first working state, the air of supercharging enters pipe by pressure and is fed to two sectors relative on diameter, and two other relative sector is communicated with atmospheric communicating pipe on diameter, thereby two rotation blades are rotated with first direction; In the time that solenoid valve is transformed into the second working state, two sectors relative on diameter are communicated with atmospheric communicating pipe, the air of supercharging enters pipe by pressure and is fed to described two other sector relative on diameter, thereby two rotation blades are rotated with second direction; Thus, central shaft can drive described rotation to stir part and radially extend periodically reciprocating rotation of joint, thereby preventing that cotton-shaped impurity is attached to draws on filtrating equipment.
By above-mentioned technological scheme, the air pressure producing while operation due to the device that has utilized air pressure to provide liquid, without Power Component is provided in addition, has saved equipment cost and maintenance cost.Meanwhile, owing to having used solenoid valve to carry out periodicity commutation, can effectively realize oscillatory type to-and-fro motion, effectively cotton-shaped impurity is prevented and removed, its control simultaneously flexibly, can directly be closed it under the situation without using, and can not affect the normal operation of Whole Equipment.The connecting pipeline of four sectors is arranged on to the position near stator blade, can at utmost guarantees the activity space of rotation blade, can, for the motion of rotation blade provides a kind of physics spacing, guarantee equipment reliability of operation simultaneously.
Brief description of the drawings
Fig. 1 is the schematic diagram that utilizes air pressure to provide the general structure of the apparatus system of liquid of the present invention;
Fig. 2 is longitudinal schematic diagram that the liquid that utilizes air pressure to provide the apparatus system of liquid of the present invention provides the general structure of pipe end filtrating equipment.
Fig. 3 is the end view that the liquid that utilizes air pressure to provide the apparatus system of liquid of the present invention provides pipe end filtrating equipment, and it shows the power running principle of filtrating equipment.
Fig. 4 is the cross-section illustration intention of sliding conical bearing.
Fig. 5 is the structural representation of ball thrust bearing.
Embodiment
Below in conjunction with accompanying drawing 1-5, the present invention is described in detail.
A kind of air pressure of utilizing with sliding conical bearing and ball thrust bearing provides the device of liquid, comprise pressure air supplier 7, pressure chamber 8, pressure feed pipe 9, liquid provides pipeline 10 and draws filtrating equipment 20, wherein, described pressure air supplier 7 is for providing pressure by pressure feed pipe 9 for pressure chamber 8, described pressure chamber 8 can pressurize and provide pipeline 10 by liquid the liquid in pressure chamber 8 and send, the described medial extremity that draws filtrating equipment 20 and be arranged on liquid and provide pipeline 10, for described liquid being filtered in the time that described liquid provides pipeline 10 from pressure chamber's 8 draw liquid, liquid provides the outboard end of pipeline 10 and sends liquid for flowing, the top of described pressure chamber 8 is provided with liquid inlet 81.
The described filtrating equipment 20 that draws comprises that atmospheric communicating pipe 5, pressure enter pipe 4 and solenoid valve 6, the first end of described atmospheric communicating pipe 5 stretches out that pressure chamber 8 is outer to be communicated with atmosphere, described pressure enter manage 4 first end in pressure chamber 8 for being communicated with the air of the supercharging in pressure chamber 8.
The described filtrating equipment 20 that draws also comprises rotatable parts 2 and fixed component 1, wherein, fixed component 1 comprises cylindrical drum portion 102 and fixing frame portion 101, the upper end portion sealing of cylindrical drum portion 102, underpart opening, fixing frame portion 101 is for having the annular frame in space, the inside portion of described fixing frame portion 101 is fixedly connected with the periphery of the upper end portion of cylindrical drum portion 102, and the lateral part of fixing frame portion 101 is fixedly connected with the described medial extremity that liquid provides pipeline 10, thus, fixed component 1 is fixed to liquid and provides pipeline 10.
Described central shaft 21 is fixedly installed two rotation blades 22 relative on diameter along its axial direction, and the inside of described cylindrical drum portion 102 is fixedly installed two stator blades 26 relative on diameter on its longitudinal direction, central shaft 21 is arranged between described two stator blades 26 and is tightly connected rotationally with it, thus, the inner space of described cylindrical drum portion 102 is divided into four sealing sectors by two stator blades 26 and two rotation blades 22.
The second end 40 that pressure enters pipe 4 is communicated with the first entrance of solenoid valve 6, the second entrance of solenoid valve 6 is connected with the second end 50 of described atmospheric communicating pipe 5, the first outlet of solenoid valve 6 is connected with the first export pipeline 41, the first export pipeline 41 is divided into the first outlet branch road A43 and the first outlet branch road B42, the first outlet branch road A43 and the first outlet branch road B42 respectively with in described four sealing sectors on diameter relative two sectors be communicated with; The second outlet of solenoid valve 6 is connected with the second export pipeline 51, the second export pipeline 51 is divided into the second outlet branch road A53 and the second outlet branch road B52, the second outlet branch road A53 and the second outlet branch road B52 respectively with in described four sealing sectors on diameter relative two other sector be communicated with; Solenoid valve 6 comprises two working staties, and under the first working state, the first entrance is communicated with the first outlet, and the second entrance is communicated with the second outlet; Under the second working state, the first entrance is communicated with the second outlet, and the second entrance is communicated with the first outlet; Solenoid valve 6 can controllably periodically conversion under described two working staties.
In the time of work, described pressure air supplier 7 makes the air pressurized in pressure chamber 8, in the time that needs prevent that cotton-shaped impurity from adhering to, solenoid valve 6 is worked, when in the first working state, the air of supercharging enters pipe 4 by pressure and is fed to two sectors relative on diameter, and two other relative sector is communicated with atmospheric communicating pipe 5 on diameter, thereby two rotation blades 22 are rotated with first direction; In the time that solenoid valve 6 is transformed into the second working state, two sectors relative on diameter are communicated with atmospheric communicating pipe 5, the air of supercharging enters pipe 4 by pressure and is fed to described two other sector relative on diameter, thereby two rotation blades 22 are rotated with second direction; Thus, central shaft 21 can drive described rotation to stir part 23 and radially extend periodically reciprocating rotations of joint 25, thereby preventing that cotton-shaped impurity is attached to draws on filtrating equipment 20.
Claims (1)
1. the air pressure of utilizing with sliding conical bearing and ball thrust bearing provides the device of liquid, comprise pressure air supplier (7), pressure chamber (8), pressure feed pipe (9), liquid provides pipeline (10) and draws filtrating equipment (20), wherein, described pressure air supplier (7) is for providing pressure by pressure feed pipe (9) for pressure chamber (8), described pressure chamber (8) can pressurize and provide pipeline (10) by liquid the liquid in pressure chamber (8) and send, the described medial extremity that draws filtrating equipment (20) and be arranged on liquid and provide pipeline (10), for described liquid being filtered in the time that described liquid provides pipeline (10) from pressure chamber (8) draw liquid, liquid provides the outboard end of pipeline (10) and sends liquid for flowing, the top of described pressure chamber (8) is provided with liquid inlet (81), it is characterized in that,
The described filtrating equipment (20) that draws comprises that atmospheric communicating pipe (5), pressure enter pipe (4) and solenoid valve (6), the first end of described atmospheric communicating pipe (5) stretches out outside pressure chamber (8) and is communicated with atmosphere, the first end that described pressure enters pipe (4) in pressure chamber (8) for being communicated with the air of the supercharging in pressure chamber (8)
The described filtrating equipment (20) that draws also comprises rotatable parts (2) and fixed component (1), wherein, fixed component (1) comprises cylindrical drum portion (102) and fixing frame portion (101), the upper end portion sealing of cylindrical drum portion (102), underpart opening, fixing frame portion (101) is for having the annular frame in space, the inside portion of described fixing frame portion (101) is fixedly connected with the periphery of the upper end portion of cylindrical drum portion (102), and the lateral part of fixing frame portion (101) is fixedly connected with the described medial extremity that liquid provides pipeline (10), thus, fixed component (1) is fixed to liquid and provides pipeline (10),
Rotatable parts (2) comprise central shaft (21), bottom lock disk (24), radially extend joint (25) and rotation stirs part (23), the upper end of central shaft (21) is tightly connected rotationally by conical bearing (121) and the upper end portion of described cylindrical drum portion (102), and the upper end of central shaft (21) is also provided with locking nut (122), described locking nut (122) can press described conical bearing (121) by upwards tractive locking of described central shaft (21), the lower end of described central shaft (21) is fixedly connected with the center of bottom lock disk (24), the excircle position of the upper surface of described bottom lock disk (24) is sealed and contacts rotationally with the underpart of cylindrical drum portion (102) by Stamping Steel Ribbon (120), thus, described bottom lock disk (24) can surround and form the chamber with sealing with described cylindrical drum portion (102), the periphery of the outer circumference portion of described bottom lock disk (24) is fixedly connected with the inner side of radially extending joint (25), the lower end that part (23) is stirred with rotation in described outside of radially extending joint (25) is fixedly connected with, the upper end that part (23) is stirred in described rotation is connected by thrust-bearing (29) with the described medial extremity that liquid provides pipeline (10), the outside that described rotation is stirred the peripheral of part (23) and radially extended joint (25) is provided with stirs bar, the described bar of stirring can avoid the cotton-shaped impurity in liquid to adhere in rotating, described rotation is stirred part (23), is radially extended in joint (25) and fixing frame portion (101) and be provided with the passage flowing through for liquid, wherein, described conical bearing (121) comprises outer sleeve (1211) and inner sleeve (1213), the outer surface of described outer sleeve (1211) is cone shape, internal surface is also cone shape, the outer surface of described inner sleeve (1213) is cone shape, internal surface is cylindrical shape, and described cylindrical shape is around forming cylindrical hole (1212) for passing for central shaft (21), between the outer surface of the cone shape of the internal surface of the cone shape of described outer sleeve (1211) and described inner sleeve (1213), form the slidingsurface with lubricity, thrust-bearing (29) is divided into annulus and lower annulus, upper annulus is stirred part (23) with rotation and is connected, the inner side of lower annulus is inwardly stretched out and is formed interior protuberance with respect to upper annulus, described liquid provides on the external cylindrical surface of pipeline (10) and is provided with circumferential recess, described interior protuberance embeds in described axial notch, between described upper annulus and lower annulus, is provided with ball,
Described central shaft (21) is fixedly installed two rotation blades (22) relative on diameter along its axial direction, and the inside of described cylindrical drum portion (102) is fixedly installed two stator blades (26) relative on diameter on its longitudinal direction, central shaft (21) is arranged between described two stator blades (26) and with it and is tightly connected rotationally, thus, the inner space of described cylindrical drum portion (102) is divided into four sealing sectors by two stator blades (26) and two rotation blades (22)
The second end (40) that pressure enters pipe (4) is communicated with the first entrance of solenoid valve (6), the second entrance of solenoid valve (6) is connected with second end (50) of described atmospheric communicating pipe (5), the first outlet of solenoid valve (6) is connected with the first export pipeline (41), the first export pipeline (41) is divided into the first outlet branch road A(43) and the first outlet branch road B(42), the first outlet branch road A(43) and the first outlet branch road B(42) respectively with relative two sectors connections on diameter in described four sealing sectors; The second outlet of solenoid valve (6) is connected with the second export pipeline (51), the second export pipeline (51) is divided into the second outlet branch road A(53) and the second outlet branch road B(52), the second outlet branch road A(53) and the second outlet branch road B(52) respectively with relative two other sector connection on diameter in described four sealing sectors; Solenoid valve (6) comprises two working staties, and under the first working state, the first entrance is communicated with the first outlet, and the second entrance is communicated with the second outlet; Under the second working state, the first entrance is communicated with the second outlet, and the second entrance is communicated with the first outlet; Solenoid valve (6) can controllably periodically be changed under described two working staties;
In the time of work, described pressure air supplier (7) makes the air pressurized in pressure chamber (8), in the time that needs prevent that cotton-shaped impurity from adhering to, solenoid valve (6) work, when in the first working state, the air of supercharging enters pipe (4) by pressure and is fed to two sectors relative on diameter, and two other relative sector is communicated with atmospheric communicating pipe (5) on diameter, thereby two rotation blades (22) are rotated with first direction; In the time that solenoid valve (6) is transformed into the second working state, two sectors relative on diameter are communicated with atmospheric communicating pipe (5), the air of supercharging enters pipe (4) by pressure and is fed to described two other sector relative on diameter, thereby two rotation blades (22) are rotated with second direction; Thus, central shaft (21) can drive described rotation stir part (23) and radially extend joint (25) periodicity reciprocating rotation, thereby preventing that cotton-shaped impurity is attached to draws on filtrating equipment (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410131849.2A CN103867496B (en) | 2014-04-03 | 2014-04-03 | The liquid with ball thrust bearing and sliding conical bearing provides device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410131849.2A CN103867496B (en) | 2014-04-03 | 2014-04-03 | The liquid with ball thrust bearing and sliding conical bearing provides device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103867496A true CN103867496A (en) | 2014-06-18 |
| CN103867496B CN103867496B (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410131849.2A Expired - Fee Related CN103867496B (en) | 2014-04-03 | 2014-04-03 | The liquid with ball thrust bearing and sliding conical bearing provides device |
Country Status (1)
| Country | Link |
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| CN (1) | CN103867496B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2050495U (en) * | 1989-06-23 | 1990-01-03 | 叶德林 | Hand-driven pressure liquid-pumping apparatus |
| US6953524B2 (en) * | 2000-08-29 | 2005-10-11 | Hydro International Plc | Screen assembly for combined sewer overflow weir |
| CN2859042Y (en) * | 2005-10-31 | 2007-01-17 | 叶直岗 | Air pressure oil pumping and conveying unit |
| CN202526994U (en) * | 2012-03-01 | 2012-11-14 | 中国石油天然气股份有限公司 | Filter free of dismantling for cleaning dirt |
| JP2012241706A (en) * | 2011-05-19 | 2012-12-10 | Shuji Kasuga | Compressed air power generator |
| CN103331051A (en) * | 2013-07-09 | 2013-10-02 | 西安航天泵业有限公司 | Hydraulic-driven self-cleaning filter provided with brushes |
| CN103463860A (en) * | 2013-09-13 | 2013-12-25 | 安阳市思菲特矿用设备有限公司 | Back-washing self-cleaning filtering device |
-
2014
- 2014-04-03 CN CN201410131849.2A patent/CN103867496B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2050495U (en) * | 1989-06-23 | 1990-01-03 | 叶德林 | Hand-driven pressure liquid-pumping apparatus |
| US6953524B2 (en) * | 2000-08-29 | 2005-10-11 | Hydro International Plc | Screen assembly for combined sewer overflow weir |
| CN2859042Y (en) * | 2005-10-31 | 2007-01-17 | 叶直岗 | Air pressure oil pumping and conveying unit |
| JP2012241706A (en) * | 2011-05-19 | 2012-12-10 | Shuji Kasuga | Compressed air power generator |
| CN202526994U (en) * | 2012-03-01 | 2012-11-14 | 中国石油天然气股份有限公司 | Filter free of dismantling for cleaning dirt |
| CN103331051A (en) * | 2013-07-09 | 2013-10-02 | 西安航天泵业有限公司 | Hydraulic-driven self-cleaning filter provided with brushes |
| CN103463860A (en) * | 2013-09-13 | 2013-12-25 | 安阳市思菲特矿用设备有限公司 | Back-washing self-cleaning filtering device |
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| Publication number | Publication date |
|---|---|
| CN103867496B (en) | 2015-12-09 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Inventor after: Tang Huanv Inventor before: Yu Can |
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Effective date of registration: 20151021 Address after: 311800 Zhejiang city of Shaoxing province Zhuji city Jiyang Street Genta Road No. 24-3 (room 108) Applicant after: Tang Huanv Address before: 311815 Shenhe City, Shaoxing Province, Zhuji City, the town of the second Village No. 218 Applicant before: Yu Can |
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Inventor after: Yang Yi Inventor before: Tang Huanv |
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Effective date of registration: 20151222 Address after: 300061 Tianjin city Hexi District Binshui Bintai apartment 3 room 1703 Patentee after: TIANJIN BOFENG MECHANICAL AND ELECTRONIC INTELLIGENT TECHNOLOGY CO., LTD. Address before: 311800 Zhejiang city of Shaoxing province Zhuji city Jiyang Street Genta Road No. 24-3 (room 108) Patentee before: Tang Huanv |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20180403 |