CN105508209A - High-flow choke valveless piezoelectric pump - Google Patents
High-flow choke valveless piezoelectric pump Download PDFInfo
- Publication number
- CN105508209A CN105508209A CN201610124493.9A CN201610124493A CN105508209A CN 105508209 A CN105508209 A CN 105508209A CN 201610124493 A CN201610124493 A CN 201610124493A CN 105508209 A CN105508209 A CN 105508209A
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- bluff body
- pump
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- seat
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- 239000007788 liquid Substances 0.000 claims abstract description 61
- 239000012530 fluid Substances 0.000 claims description 108
- 239000004020 conductor Substances 0.000 claims description 39
- 230000000694 effects Effects 0.000 claims description 18
- 238000007599 discharging Methods 0.000 abstract 1
- 238000005086 pumping Methods 0.000 description 10
- 230000007306 turnover Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 210000002421 cell wall Anatomy 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/08—Machines, pumps, or pumping installations having flexible working members having tubular flexible members
- F04B43/09—Pumps having electric drive
- F04B43/095—Piezoelectric drive
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
- F04B53/162—Adaptations of cylinders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
A high-flow choke valveless piezoelectric pump is characterized in that a pump seat is peripherally evenly provided with a plurality of choke sets, the pump seat has a liquid outgoing passage passing through the length direction of the pump seat along its sidewall, and the pump seat has a liquid outlet communicated with the liquid outgoing passage; the pump also comprises a diversion ring mounted on a diversion ring mounting groove of a pump cavity, and the periphery of the sidewall of the diversion ring is provided with side liquid inlets; an upper end surface of the diversion ring is provided with at least one upper liquid inlet; an upper end surface of the pump cavity is provided with at least one liquid inlet as many as the upper liquid inlets of the diversion ring and matching with the upper liquid inlets in position. The structure of the pump seat is modified, and the addition of the diversion ring enables high-flow liquid discharging as well as mixing of various liquids, and the pump has a wider range of applicable fields.
Description
Technical field
The invention belongs to fluid machinery technical field, relate to a kind of Valveless piezoelectric pump, specifically, relate to a kind of large discharge bluff body Valveless piezoelectric pump.
Background technique
Piezoelectric pump utilizes the inverse piezoelectric effect of piezoelectric constant to make piezoelectric vibrator produce distortion, then realized fluid output by the volume-variation of distortion generation pump chamber or utilized piezoelectric vibrator to produce fluctuation carrying out fluid transfer.Valve piezoelectric pump and Valveless piezoelectric pump is had according to piezoelectric pump being divided into or without valve body in pump chamber.
Bluff body Valveless piezoelectric pump realizes the function of pumping fluid by the forward and reverse flow resistance difference being arranged on the bluff body on pump-foot.The fluid input of traditional Valveless piezoelectric pump is communicated with outlet, it is the pipeline of fluid turnover between entrance and exit, by fluid turnover pipeline special shape, pump chamber structure or in pump chamber, arrange choke apparatus poor to form forward and reverse choked flow, cause the difference in flow that fluid flows into along same passage and flows out, realize the effect of " valve ".
Traditional structural limitations flow of Valveless piezoelectric pump inner fluid and the application of Valveless piezoelectric pump.Mostly turnover due to fluid is to be completed by a fluid access way, only can pass into a kind of fluid at every turn, and the size restrictions of the passage flow of fluid; The turnover of the Valveless piezoelectric pump fluid also had is completed by many fluid passages, such as, the patent No. is a kind of bluff body Valveless piezoelectric pump disclosed in 201210396143.X, the side of pump seat is provided with three fluid access ways, the effect of pumping lot of trace fluid can be completed, but the impact of be obstructed flow profile or arrangement, fluid flow is little, mixes even not.To realize the output of larger pump discharge, shape, the arrangement of bluff body are very important, the fluid turnover direction of tradition Valveless piezoelectric pump is certain, in order to obtain good effect, the direction of bluff body normally along fluid turnover is single-row or multiple row arranged in parallel, due to each bluff body can not be ensured all perpendicular to the direction that fluid flows into and flows out, the drainage of performance bluff body that can not be maximum, resistance flowing effect.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, a kind of large discharge Valveless piezoelectric pump realizing multiple fluid mixing is provided.
Technological scheme of the present invention is: large discharge bluff body Valveless piezoelectric pump, comprises pump seat, pump chamber, threaded cap, be provided with piezoelectric vibrator between threaded cap and pump chamber; Pump seat is cylindrical body; Pump seat sidewall have its length direction through fluid outlet passage;
Bluff body seat is circumferentially evenly equipped with multiple bluff body group, each bluff body group comprises a front conductor; Pump seat has one along pump seat short transverse to the liquid outlet opening of downward-extension, liquid outlet opening communicates with fluid outlet passage;
Also comprise shunting ring, comprise upper-end surface and sidewall, sidewall is provided with at least one side inlet opening, and shunting ring upper-end surface is provided with inlet opening at least one;
Pump chamber is a cavity body, has through upper and lower end face, and pump chamber is sleeved on pump seat, and bottom is contained on the upper-end surface of pump-foot, and pump chamber inwall has mounting groove, and shunting ring is contained in mounting groove place, and cell wall and the shunting ring upper-end surface outer wall of mounting groove closely cooperate; Pump chamber upper-end surface is provided with at least one inlet opening, and identical with the quantity of inlet opening on shunting ring, position matches.
Preferably: bluff body group also comprises at least one main bluff body, be fluid inflow direction by side inlet opening to the direction of liquid outlet opening, the direction that front conductor and main bluff body flow into along fluid is arranged in a linear; With the plane perpendicular to fluid inflow direction for benchmark, front conductor area of contour is on this plane less than main bluff body area of contour on this plane.
Further: front conductor has drainage face and choked flow face, drainage, facing to fluid inflow direction, when fluid flows into, plays drainage; Choked flow is facing to liquid outlet opening; When fluid flows out, play choked flow effect; The resistance of fluid faced by drainage is less than the resistance of choked flow in the face of fluid; Main bluff body comprises drainage face and choked flow face, and its drainage is facing to the choked flow face of front conductor, and its choked flow is facing to liquid outlet opening; The resistance of fluid faced by main bluff body choked flow is greater than the resistance of front conductor drainage in the face of fluid.
Further: bluff body group comprises a front conductor and two main bluff bodys, be main bluff body I and main bluff body II; With the plane perpendicular to fluid inflow direction for benchmark, front conductor area of contour is on this plane less than main bluff body I area of contour on this plane; Main bluff body I area of contour is on this plane less than or equal to main bluff body II area of contour on this plane.In addition, the structure of bluff body group can also be designed to a front conductor three main bluff bodys or more main bluff body etc.
Further: front conductor and main bluff body are the combination of the bluff body of same shape different size; Or the combination of difformity bluff body.Such as: front conductor and main bluff body are all hemisphere, hemispheroidal sphere is all towards fluid inflow direction, and plane is all towards the direction that fluid flows out, but the diameter of main bluff body is greater than the diameter of front conductor; Also can be front conductor be hemisphere, main bluff body be cuboid, the direction that hemispheroidal sphere flows into towards fluid, the direction that plane flows out towards fluid, and the length of side of main bluff body is greater than the diameter of front conductor.In addition, front conductor and main bluff body can also adopt the combination of the shape bluff bodys such as hemisphere, hemispherical Shell, cuboid, tri-prism, semicolumn, obform body.
Preferably: pump seat comprises pump-foot and bluff body seat, bluff body group is arranged on bluff body seat, has the fluid outlet passage of its length direction through along pump-foot sidewall; Bluff body seat has one along bluff body seat short transverse to the liquid outlet opening of downward-extension, liquid outlet opening communicates with fluid outlet passage.
Preferably: the aperture of liquid outlet opening is greater than the aperture of side inlet opening.
The invention has the beneficial effects as follows:
(1) compared with traditional Valveless piezoelectric pump, add shunting ring, fluid can be entered by the multiple sides inlet opening on shunting ring simultaneously, increases the flow of fluid, can realize large flow fluid turnover; Take full advantage of the space of pump body, make Valveless piezoelectric pump compared with the more compact structure of " pipeline valve " Valveless piezoelectric pump, volume is less.
(2) change the structure of traditional pump seat and then change the pattern of traditional Valveless piezoelectric pump fluid turnover pump chamber, traditional Valveless piezoelectric pump fluid turnover pump chamber is all the fluid access ways by being arranged on pump chamber, only can pass into a kind of fluid or several micro fluid in piezoelectric pump.And the fluid inflow pump chamber of the application passes through inlet opening, outflow pump chamber is the fluid outlet passage by being arranged on pump seat, inlet opening can design multiple, each inlet opening can flow into identical or different liquid, if different fluids, under piezoelectric vibrator effect of vibration, different fluids can be made to realize fully, efficiently mixing at shunting ring inner impact with under producing the effect of whirlpool after streaming many group bluff bodys.Flow out effect to obtain large flow fluid, liquid outlet opening can be designed to multiple, and the aperture of liquid outlet opening is greater than the aperture of side inlet opening, so that effluent fluid flow is greater than reflux fluid flow.
(3) devise many group bluff body groups, often organize the direction of all corresponding side liquid entering hole of bluff body group, ensure often to organize bluff body group all vertical with the direction of fluid inflow and outflow, obtain maximum drainage, resistance flowing effect; And according to head superposition principle, anyway should be similar to the quantity of bluff body group to flow resistance difference and increase, the pump-conveying property of piezoelectric pump thus can greatly be improved.
(4) application of Valveless piezoelectric pump is expanded, the effect of tradition Valveless piezoelectric pump only can realize simple pumping fluid, or only can realize the mixed function of micro fluid, due to the large discharge mixing that the present invention can realize multiple different liquids, can be used for Liquid Fertilizer mixing etc. multi-field.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is pump seat and bluff body group structural representation.
Fig. 3 is pump seat and bluff body group plan structure schematic diagram.
Fig. 4 is shunting ring structural representation.
Fig. 5 is shunting ring plan structure schematic diagram.
Fig. 6 is pump chamber structural representation.
Fig. 7 is pump chamber plan structure schematic diagram.
Fig. 8 is embodiment 2 pump seat and bluff body group plan structure schematic diagram.
Fig. 9 is embodiment 3 structural representation.
Wherein: 1-pump seat, 101-fluid outlet passage, 102-liquid outlet opening, 2-shunting ring mounting groove, main bluff body II, the 4-threaded cap of 3-, 5-piezoelectric vibrator, 6-bluff body group, conductor before 601-, the main bluff body of 602-, 7-shunting ring, 701-side inlet opening, the upper inlet opening of 702-, 8-pump chamber, 801-inlet opening, 802-liquid conduits, the main bluff body I of 9-, 10-piezoelectric vibrator mounting groove, 11-bluff body seat, 12-pump-foot
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further detailed.
Embodiment 1
As shown in Figure 1, large discharge bluff body Valveless piezoelectric pump, the pump housing comprises pump seat 1, pump chamber 8, threaded cap 4, is provided with piezoelectric vibrator 5 between threaded cap 4 and pump chamber 8.
As shown in Figures 2 and 3, in the present embodiment, pump seat 1 is cylindrical body.Along the cylindrical sidewall of pump seat 1 have through cylindrical body cross-sectional dimension direction fluid outlet passage 101.During work, fluid flows out to the pump housing from pump body via fluid outlet passage 101.
Pump seat 1 upper-end surface is circumferentially evenly equipped with six bluff body groups 6, and namely between each bluff body group, the pitch angles of ring row is 60 °.Each bluff body group 6 comprises a front conductor 601 and a main bluff body 602.Pump seat 1 circle centre position has at least one along the short transverse of pump seat 1 to the liquid outlet opening 102 of downward-extension, and liquid outlet opening 102 extends downwardly into always and communicates with fluid outlet passage 101.
As shown in Figure 4 and Figure 5, pump body structure also comprises shunting ring 7, and in the present embodiment, shunting ring 7 is ring structure, comprises upper-end surface, lower end surface and sidewall, and its one-sided cross section is
type, for
type rotates formation around symmetrical central shaft.Along shunting ring 7 sidewall within one week, be provided with six side inlet openings 701, shunting ring 7 upper-end surface is provided with three upper inlet openings 702.In order to obtain preferably resistance flowing effect, as preferably, six side inlet openings 701 also 60 ° of square rings rows in spacing, and each inlet opening 701 is all just to a bluff body group.
As shown in Figure 6 and Figure 7, be arranged on pump seat 1 bottom pump chamber 8.Pump chamber 8 upper-end surface is provided with three inlet openings 801, and identical with the quantity of the upper inlet opening 702 of shunting ring 7 upper end surface, position matches.After installation, the inlet opening 801 on pump chamber 8 aligns with the upper inlet opening 702 on shunting ring 7.In the present embodiment, pump chamber inwall has upper and lower two mounting grooves, is respectively piezoelectric vibrator mounting groove 10 and shunting ring mounting groove 2, and cell wall and the shunting ring 7 upper-end surface outer wall of shunting ring mounting groove 2 closely cooperate; Pump chamber 8 sidewall and shunting ring 7 upper-end surface, between lower end surface and sidewall, form a flow cavity, ensure liquid through pump chamber 8 inlet opening 801 inlet opening 701 on shunting ring 7 laggard enter flow cavity inside.Owing to being provided with multiple inlet opening 801, multiple different liquid can be sent into pump chamber 8 through different inlet openings 801 inner simultaneously.
Pump seat, pump chamber 3, threaded cap 4, be provided with piezoelectric vibrator 5 and form a closed pump housing, communicated by fluid outlet passage 101 and three inlet openings 801 with the external world between threaded cap 4 and pump chamber 3.The work of piezoelectric pump can be divided into pumping same fluid and pumping different fluid.At three of pump chamber 8 inlet opening 801 place, three liquid conduits 802 can be installed, during pumping same fluid, same liquid can be passed into by three liquid conduits 802 simultaneously, or close one or two liquid conduits 802, in the liquid conduits 802 of work, pass into same liquid; During pumping different fluid, choice for use several liquid conduits 802 can be needed according to liquid to be mixed; Such as, if the fluid that pumping three kinds is different, different liquid is passed at every root liquid conduits 802; If pumping two kinds of different fluid, two or three liquid conduits 802 can be selected.
Fluid is after liquid conduits 802 is sent into, first enter in the flow cavity that formed between pump chamber 8 and shunting ring 7, flow in flow cavity, and six side inlet openings 701 respectively on shunting ring 7 enter the inside cavity formed between shunting ring 7 and pump seat, contact with bluff body group.
After piezoelectric vibrator energising, upwards protuberance and the reciprocal transformation to lower recess will be done and move.When piezoelectric vibrator upwards swells, liquid will continue in inflow pump; When piezoelectric vibrator is to lower recess, pump inner volume is compressed, pressure increase, a liquid part is through liquid outlet opening, and 102 enter fluid passage 101, then flow out to outside the pump housing through flow pass 101, some is back in the flow cavity that formed between pump chamber 8 and shunting ring 7 through fluid through side inlet opening 701, in order to obtain the effect of pumping large flow fluid, the aperture of liquid outlet opening 102 is greater than the aperture of side inlet opening 701, ensures that the flow of fluid outflow is greater than the flow of fluid inflow.In the inflow and outflow process of whole liquid, bluff body group plays the effect of " valve ".
In order to the effect making bluff body group better play " valve ", because side inlet opening 701 is two-way fluid circulation passages, through design, just need can ensure that fluid is greater than the amount of outflow through the amount that side inlet opening 701 flows into the shape of front conductor 601 and main bluff body 602 with arrangement.Be fluid inflow direction by side inlet opening 701 to the direction of liquid outlet opening 102, both front conductor 601 and main bluff body 602 are arranged in a linear from front to back along the direction that fluid flows into.Front conductor 601 has drainage face and choked flow face, and drainage is facing to fluid inflow direction, and the front conductor 601 namely in each bluff body group, all towards side inlet opening 701, when fluid flows into, plays drainage; Choked flow is facing to liquid outlet opening 102; When fluid flows out, play choked flow effect; The resistance of fluid faced by drainage is less than the resistance of choked flow in the face of fluid; Main bluff body 602 comprises drainage face and choked flow face, and its drainage is facing to the choked flow face of front conductor, and its choked flow is facing to liquid outlet opening; The resistance of fluid faced by the choked flow of main bluff body 602 is greater than the resistance of front conductor drainage in the face of fluid.The direction that all corresponding fluid of each bluff body group flows into, for each bluff body group, with the plane perpendicular to fluid inflow direction for benchmark, front conductor 601 area of contour is on this plane less than main bluff body 602 area of contour on this plane.Adopt such structure and arrangement, bluff body group just can be made to reach better choked flow, drainage effect.In the present embodiment, front conductor 601 adopts hemisphere, and its sphere is drainage face, and towards side inlet opening 701, one end of its plane is choked flow face, towards liquid outlet opening 102; Main bluff body 602 adopts cuboid, and a lateral area relative with front conductor 601 choked flow face of main bluff body 602 is greater than the area in front conductor choked flow face.
Embodiment 2
Except following structure is different from embodiment 1, other are with embodiment 1.
Bluff body group comprises a front conductor 601 and two main bluff bodys, is main bluff body I9 and main bluff body II3; With the plane perpendicular to fluid inflow direction for benchmark, front conductor 601 area of contour is on this plane less than main bluff body I9 area of contour on this plane; Main bluff body I9 area of contour is on this plane less than or equal to main bluff body II3 area of contour on this plane.
In addition, the structure of bluff body group can also be designed to a front conductor three main bluff bodys or more main bluff body etc.
Embodiment 3
Present embodiments provide a kind of pump seat structure different with embodiment 2 from embodiment 1 and bluff body group 6 mounting structure.
Pump seat comprises two-part, pump-foot 12 and bluff body seat 11, and the two can be structure as a whole or detachable structure.Bluff body group 6 is arranged on bluff body seat 11, and fluid outlet passage 101 is positioned on pump-foot 12, along pump-foot 12 sidewall its length direction through; Bluff body seat 11 has one along bluff body seat short transverse to the liquid outlet opening 102 of downward-extension, liquid outlet opening 102 communicates with fluid outlet passage 101.
Compared with the mounting type of bluff body group 6 in embodiment 1, this structure is more stable.
Claims (7)
1. large discharge bluff body Valveless piezoelectric pump, comprises pump seat, pump chamber, threaded cap, is provided with piezoelectric vibrator between threaded cap and pump chamber; Pump seat is provided with bluff body, it is characterized in that: described pump seat sidewall have its length direction through fluid outlet passage; Pump seat is circumferentially evenly equipped with multiple bluff body group, each bluff body group comprises a front conductor; Pump seat has at least one along pump seat short transverse to the liquid outlet opening of downward-extension, liquid outlet opening communicates with fluid outlet passage; Also comprise shunting ring, comprise upper-end surface and sidewall, sidewall is provided with at least one side inlet opening, and shunting ring upper-end surface is provided with inlet opening at least one; Described pump chamber is sleeved on pump seat, and pump chamber inwall and shunting ring upper-end surface outer wall closely cooperate; Pump chamber upper-end surface is provided with at least one inlet opening, and identical with the quantity of inlet opening on shunting ring, position matches.
2. large discharge bluff body Valveless piezoelectric pump as claimed in claim 1, it is characterized in that: described bluff body group also comprises at least one main bluff body, be fluid inflow direction by side inlet opening to the direction of liquid outlet opening, the direction that front conductor and main bluff body flow into along fluid is arranged in a linear; With the plane perpendicular to fluid inflow direction for benchmark, front conductor area of contour is on this plane less than main bluff body area of contour on this plane.
3. large discharge bluff body Valveless piezoelectric pump as claimed in claim 2, is characterized in that: described front conductor has drainage face and choked flow face, and described drainage, facing to fluid inflow direction, when fluid flows into, plays drainage; Described choked flow is facing to liquid outlet opening; When fluid flows out, play choked flow effect; The resistance of fluid faced by drainage is less than the resistance of choked flow in the face of fluid; Described main bluff body comprises drainage face and choked flow face, and its drainage is facing to the choked flow face of front conductor, and its choked flow is facing to liquid outlet opening; The resistance of fluid faced by main bluff body choked flow is greater than the resistance of front conductor drainage in the face of fluid.
4. large discharge bluff body Valveless piezoelectric pump as claimed in claim 2 or claim 3, it is characterized in that: described bluff body group comprises a front conductor and two main bluff bodys, is main bluff body I and main bluff body II; With the plane perpendicular to fluid inflow direction for benchmark, front conductor area of contour is on this plane less than main bluff body I area of contour on this plane; Main bluff body I area of contour is on this plane less than or equal to main bluff body II area of contour on this plane.
5. the large discharge bluff body Valveless piezoelectric pump as described in claim 2 or 4, is characterized in that: described front conductor and main bluff body are the combination of the bluff body of same shape different size; Or the combination of difformity bluff body.
6. large discharge bluff body Valveless piezoelectric pump as claimed in claim 1, it is characterized in that: described pump seat comprises pump-foot and bluff body seat, described bluff body group is arranged on bluff body seat, has the fluid outlet passage of its length direction through along pump-foot sidewall; Bluff body seat has one along bluff body seat short transverse to the liquid outlet opening of downward-extension, liquid outlet opening communicates with fluid outlet passage.
7. large discharge bluff body Valveless piezoelectric pump as claimed in claim 1, is characterized in that: the aperture of liquid outlet opening is greater than the aperture of side inlet opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610124493.9A CN105508209B (en) | 2016-03-04 | 2016-03-04 | Big flow bluff body Valveless piezoelectric pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610124493.9A CN105508209B (en) | 2016-03-04 | 2016-03-04 | Big flow bluff body Valveless piezoelectric pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105508209A true CN105508209A (en) | 2016-04-20 |
| CN105508209B CN105508209B (en) | 2017-07-25 |
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ID=55716437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610124493.9A Active CN105508209B (en) | 2016-03-04 | 2016-03-04 | Big flow bluff body Valveless piezoelectric pump |
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| CN (1) | CN105508209B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798239A (en) * | 2019-04-11 | 2019-05-24 | 长春工业大学 | A kind of Valveless piezoelectric pump of intracavitary a variety of bluff bodys |
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| JPH05296150A (en) * | 1992-04-20 | 1993-11-09 | Honda Motor Co Ltd | Micro pump |
| JP2005016467A (en) * | 2003-06-27 | 2005-01-20 | Nec Corp | Liquid circulation device, and electronics device having the liquid circulation device |
| US20050089415A1 (en) * | 2003-09-12 | 2005-04-28 | Samsung Electronics Co., Ltd. | Diaphragm air pump |
| US20110229356A1 (en) * | 2007-03-12 | 2011-09-22 | Murata Manufacturing Co., Ltd. | Fluid conveyance device |
| CN102312822A (en) * | 2011-03-24 | 2012-01-11 | 南京航空航天大学 | Rotary traveling wave valveless piezoelectric driving pump |
| CN102900658A (en) * | 2012-10-16 | 2013-01-30 | 南京航空航天大学 | Valveless piezoelectric pump with multiple conical cavities |
| CN102913422A (en) * | 2012-10-18 | 2013-02-06 | 南京航空航天大学 | Drag-reducing valveless piezoelectric pump with drag-reducing fluids |
| TW201500151A (en) * | 2013-06-24 | 2015-01-01 | Microjet Technology Co Ltd | Micro-gas pressure driving apparatus |
| CN104696203A (en) * | 2015-03-20 | 2015-06-10 | 青岛农业大学 | Composite bluff body valve-less piezoelectric pump |
| CN205388006U (en) * | 2016-03-04 | 2016-07-20 | 青岛农业大学 | Large -traffic choked flow body valveless piezoelectric pump |
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2016
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05296150A (en) * | 1992-04-20 | 1993-11-09 | Honda Motor Co Ltd | Micro pump |
| JP2005016467A (en) * | 2003-06-27 | 2005-01-20 | Nec Corp | Liquid circulation device, and electronics device having the liquid circulation device |
| US20050089415A1 (en) * | 2003-09-12 | 2005-04-28 | Samsung Electronics Co., Ltd. | Diaphragm air pump |
| US20110229356A1 (en) * | 2007-03-12 | 2011-09-22 | Murata Manufacturing Co., Ltd. | Fluid conveyance device |
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| CN102900658A (en) * | 2012-10-16 | 2013-01-30 | 南京航空航天大学 | Valveless piezoelectric pump with multiple conical cavities |
| CN102913422A (en) * | 2012-10-18 | 2013-02-06 | 南京航空航天大学 | Drag-reducing valveless piezoelectric pump with drag-reducing fluids |
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| CN104696203A (en) * | 2015-03-20 | 2015-06-10 | 青岛农业大学 | Composite bluff body valve-less piezoelectric pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798239A (en) * | 2019-04-11 | 2019-05-24 | 长春工业大学 | A kind of Valveless piezoelectric pump of intracavitary a variety of bluff bodys |
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| Publication number | Publication date |
|---|---|
| CN105508209B (en) | 2017-07-25 |
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