CN105492770A - Pump for delivering a liquid - Google Patents
Pump for delivering a liquid Download PDFInfo
- Publication number
- CN105492770A CN105492770A CN201480044006.7A CN201480044006A CN105492770A CN 105492770 A CN105492770 A CN 105492770A CN 201480044006 A CN201480044006 A CN 201480044006A CN 105492770 A CN105492770 A CN 105492770A
- Authority
- CN
- China
- Prior art keywords
- pump
- entrance
- outlet
- eccentric stiffener
- pump case
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C5/00—Rotary-piston machines or pumps with the working-chamber walls at least partly resiliently deformable
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
- F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
-
- 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
- F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
- F04B43/123—Machines, pumps, or pumping installations having flexible working members having peristaltic action using an excenter as the squeezing element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1433—Pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2210/00—Fluid
- F04C2210/10—Fluid working
- F04C2210/1083—Urea
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Combustion & Propulsion (AREA)
- Exhaust Gas After Treatment (AREA)
- Details Of Reciprocating Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Reciprocating Pumps (AREA)
Abstract
A pump (1) for delivering a liquid, having a pump housing (2) with at least one inlet (3) and at least one outlet (4), wherein, on the pump housing (2), there is arranged an eccentric (5) which, with an axis (6), is rotatable relative to the pump housing (2), and wherein a deformable element (7) is arranged between the pump housing (2) and the eccentric (5), wherein the deformable element (7) delimits at least one delivery path (8) from the at least one inlet (3) to the at least one outlet (4) and forms at least one displaceable seal (9) of the delivery path (8), which displaceable seal partitions off at least one closed pump volume (10) in the delivery path (8), wherein, by means of a movement of the eccentric (5), the at least one displaceable seal (9) can be displaced in a delivery direction (11) from the inlet (3) to the outlet (4) for the purpose of delivering the liquid along the delivery path (8), wherein the inlet (3) and the outlet (4) have an angular spacing (13) to one another in a circumferential direction (12) about the axis (6), and the seal (9) spans, in the circumferential direction (12), an angle segment (14) in which the delivery path (8) is closed, wherein the angle segment (14) is larger than the angular spacing (13).
Description
Technical field
The present invention relates to a kind of for carrying the pump of liquid, described pump is especially suitable for liquid additive to be delivered in the gas exhaust piping device of internal-combustion engine.
Background technique
Become known for the exhaust gas treatment device of the exhaust of cleaning internal combustion engines, in order to purifying exhaust gas is to described exhaust gas treatment device infusion fluid additive.The exhaust gas-cleaning method performed in this exhaust gas treatment device is selective catalytic reduction method (SCR-method; SCR=selective catalytic reduction), the reduction of nitrogen oxide in exhaust is wherein made by means of reducing agent.Particularly use ammonia as reducing agent.Ammonia is not directly stored in a motor vehicle usually, but exists with the form of liquid additive, and described liquid additive shows as reducing agent precursor.This liquid additive in exhaust inner (in exhaust gas treatment device) or can be converted to reducing agent in external exhaust gas in the reactor specially for this reason arranged.Concerning SCR method, use aqueous solution of urea as liquid additive.By brand
the aqueous solution of urea of 32.5% can have been bought.
In order to transport from the liquid additive of storage tank and in order to quantitatively provide liquid additive to exhaust gas treatment device, be provided with at least one pump.This pump should be inexpensive as far as possible and reliable.Especially advantageously, pump also can bear function of measuring, i.e. the liquid additive of extremely accurately transfer predetermined amounts.In addition this pressure surge, when carrying, pressure surge little as far as possible should be produced in liquid additive, because can have a negative impact to the injection scheme picture for the nozzle of atomized liquid additive in exhaust gas treatment device.Another requirement is, the noise of pump should be little as far as possible.
In the pump for conveying liquid body additives, another importance is, concerning exhaust gas purification, liquid additive used can freeze at low temperatures.Such as above-mentioned aqueous solution of urea freezes-11 DEG C time.This low temperature such as there will be in Motor Vehicle region during longer stopping phase, and wherein when freezing, liquid additive expands.Therefore also so should construct pump, the not frozen liquid additive of pump is damaged.
Summary of the invention
Set out thus, the object of the invention is to, the technical problem solving or at least alleviate described by prior art.Especially to illustrate a kind of particularly advantageous, for carrying the pump of liquid, described pump is suitable for use in exhaust gas purification field.
This object realizes by means of the pump of feature according to claim 1.Other favourable design proposal of this pump provides in the dependent claims.The feature of single elaboration in claim can mutually combine with arbitrary technically reasonable manner and can obtain supplementing of the content described in specification, wherein, other embodiment of the present invention is shown.
The present invention relates to a kind of for carrying the pump of liquid, described pump has the pump case with at least one entrance and at least one outlet, and wherein in pump case, arrange eccentric stiffener, described eccentric stiffener can rotate along axis relative to pump case.In addition, deformable element is arranged between pump case and eccentric stiffener, wherein limit from least one entrance at least one at least one transport path exported by means of deformable element and form at least one displaceable sealed department of transport path, described sealed department has separated at least one pump volume closed in transport path, wherein in order to liquid is delivered to outlet from entrance along transport path along throughput direction, at least one moveable sealed department described can be shifted by the motion of eccentric stiffener.Described entrance and exit circumferentially has angular spacing/angular distance and sealed department circumferentially crosses over angle segment relative to each other around axis, and described in described angle segment, transport path is closed, and wherein angle segment is greater than angular distance.
The pump with described structure can be called track pump.Deformable planning is being present in the gap between pump case and eccentric stiffener.Transport path to be arranged in described gap and described transport path at least by (single) deformable element with also limited by pump case and/or eccentric stiffener if desired.Deformable element is preferably so arranged in the gap between eccentric stiffener and pump case, be extruded in the region of i.e. at least one sealed department of described element between housing and eccentric stiffener or compress, thus to be closed by deformable element completely in the intermediate gap, region of sealed department and/or gap no longer has the cross section of formation (can freely flow through) transport path there.Closing gap or transport path in a fluid tight manner in the region of at least one sealed department thus.Gap or transport path are filled up by liquid at the run duration of pump.
At least one sealed department divides this transport path along transport path, makes to form at least one pump volume closed.Term " closed pump volume " especially refers to the volume of transport path inside, and described volume is closed by sealed department at least unilaterally along transport path.Preferably at the run duration of pump, multiple closed pump volume is moved to outlet from entrance, to carry liquid.Meanwhile, the pump volume closed is formed in entrance neighbouring (closing with definition mode) and removes in outlet port subsequently.The pump volume (only still) closed in ingress unilaterally (at downstream direction) is closed by sealed department and is connected with entrance in updrift side, and liquid can be flowed in closed pump volume by entrance.The pump volume (only still) closed in outlet port unilaterally (this is then in updrift side) is closed by sealed department and is connected with outlet at downstream direction, thus liquid can be flowed out by outlet from the pump volume closed.There is one-phase in (on from entrance to the path of outlet) between, and the pump volume closed in this stage is all closed by sealed department in both sides.
The pump case of pump is preferably ring or cylindrical chamber, wherein arranges eccentric stiffener at inner (at center).Described pump case also can regard as (outside) stator of pump, and eccentric stiffener can be called (inside) rotor.According to another embodiment of pump, pump case can form internal stator, described stator by eccentric stiffener around.Then eccentric stiffener forms external rotor.Entrance and exit to be arranged in pump case and to achieve liquid and flows into and efflux pump housing or transport path.
Especially preferred, deformable element is flexible pipe, and described flexible pipe to insert in the arc-shaped gaps between eccentric stiffener and pump case and is connected to entrance and exit.
(single type and/or be arranged in pump case inside and/or be fixed on pump case) flexible pipe to be preferably connected to entrance and in outlet at this in the mode of hydraulic seal, thus liquid by means of only entrance or can be entered in flexible pipe transport path by outlet in or from the transport path flexible pipe out.Thus form sealed department, flexible pipe is compressed by eccentric stiffener and pump case there.
Concerning pump also advantageously, deformable element is deformable film and transport path is limited by pump case and deformable film from least one entrance at least in part at least one outlet.
In this embodiment modification, transport path is formed in (single type and/or be positioned at pump case inside and/or fixing in the housing) between deformable film and pump case, and show as the gap between pump case and deformable film.In order to form sealed department, deformable film presses in pump case by eccentric stiffener, deformable film is resisted against in pump case and does not stay gap between deformable film and pump case.Deformable film preferably piecemeal U-shaped ground be bonded in around pump case and/or be pressed together in pump case.
In any case, deformable element is preferably made up of flexible rubber material, and described rubber material has high deformability.Especially preferred deformable element is made up of elastomeric material, such as, formed by natural rubber or by latex.In order to improve soundness and/or in order to be formed and remain flexible, the material of deformable element can comprise additive.Deformable element is preferably all flexible along all directions (axially, radial and circumferentially).But deformable element also can have local flexibility targetedly.Such as, it can radially have than circumferentially and flexibility higher vertically.Deformable element typically also causes the distortion along other direction in space along the distortion in a direction.When deformable element is radially compacted, it such as expands vertically and/or circumferentially.
Pump is preferably also provided with at least one fixing sealed department, and described sealed department prevents liquid from the less desirable backflow being exported to entrance.
Fixing seal portion prevents the direct bypass occurring transport path between outlet and entrance.Bypass referred to herein as, liquid without the whole length of transport path, but takes the directly shorter path being back to entrance from outlet.
When deformable element is deformable film, this deformable film is preferably annular and is inserted in the gap between eccentric stiffener and housing.Transport path defines circular arc sections and (along throughput direction from entrance to outlet) extends along the film of annular piecemeal.Along the film of annular, fixing seal portion arranges that the circular arc sections of transport path is between the inlet outside.Reliably backflow is prevented by the fixing seal portion between entrance and exit.
Fixing seal portion such as can be formed by the pin of pump case or depressed part, gap between pump case and eccentric stiffener can be reduced to and make film and the degree that the position of eccentric stiffener is independently extruded all the time in the region in fixing seal portion, thus be not formed to the bypass of transport path or can not reflux.Fixing seal portion also can be formed by (in the region in fixing seal portion) thickening part piecemeal of deformable film.Can be guaranteed equally by this thickening part of film, the gap between eccentric stiffener and pump case is closed all the time in the region in fixing seal portion.
Fixing seal portion can so realize in principle, and namely deformable film fixes (such as screwed joint and/or bonding) in pump case in the mode of hydraulic seal in the region in fixing seal portion.The backflow between deformable film and pump case is equally effectively prevented by this measure.
When deformable element is flexible pipe, special measure is not needed to form fixing seal portion, because there will not be bypass in (hydraulic seal) flexible pipe being connected to entrance and exit place.Fixing seal portion is then impliedly also by the wall portion of flexible pipe
Eccentric stiffener is preferably configured as multipart.Eccentric stiffener preferably has inner region, and described inner region performs eccentric rotary.Can arrange external bearings ring in addition, described bearer ring surrounds inner region.Preferably at least one bearing is there is between inner region and external bearings ring.This bearing can be ball bearing or roller bearing.The execution that is in operation of the inner region of eccentric stiffener is swayed.Due to this arranged off-centre with if desired also due to the external shape of eccentric stiffener, there is the eccentric motion on the surface of eccentric stiffener.This eccentric motion is passed to external bearings ring.The eccentric rotary of inner region can be converted to the eccentric swing of bearer ring by the bearing between inner region and bearer ring, rotative component is passed not together simultaneously.The fact that the motion of bearer ring does not have rotative component achieves, and reduces the shearing stress in deformable element and the internal friction in pump.Deformable element is rolled by eccentric stiffener.Working with preferred only pressure on the surface of contact of deformable element at eccentric stiffener, and there is no frictional force.When eccentric stiffener is the external rotor around (inside) housing layout, eccentric stiffener can be realized equally and be correspondingly divided into inner region and bearer ring.Also can save external bearings ring, and the roller of bearing directly on deformable element or place roll.
Preferred pump has the motion of at least one drive unit for eccentric stiffener.Drive unit is preferably motor, and described motor is connected on eccentric stiffener by means of (along Axis Extension) axle.Pump is also applicable to being in reverse to throughput direction and is driven.For this reason, eccentric stiffener is in reverse to throughput direction rotation.
Angular distance can be determined along around the circumference of axis between the inlet in this pump, namely especially cross over entrance and exit, distance in the open area farthest away from each other of entrance and exit.This angular distance is preferably limited by corresponding outside (spaced furthest) region of entrance and exit.Therefore, angular distance also can be called the maximum angular distance of the maximum angular distance of entrance and exit or the cross section of entrance and exit.In addition, angular distance can be described by the angle of circular arc sections, and this circular arc sections is enough large, to cover entrance and exit completely.
In addition, can determine an angle segment equally, sealed department is circumferentially crossed over described angle segment and is closed transport path simultaneously.Namely this angle segment particularly relates to the section between two pump volumes closed separated.At this, in this angle segment, transport path is closed due to the distortion of deformable element.In the angle segment of transport path, transport path does not have (unlimited) cross section.
Define at this, angle segment (in size) is larger than angular distance simultaneously.This especially result in a kind of design, namely concerning the situation of centre between the inlet, described (one) sealed department location, still reliably closed by sealed department in the distance of the open area farthest away from each other of entrance and exit (both and simultaneously).Therefore (less desirable or simultaneously) pressure influence can be reduced by the liquid that flows into and/or flow out.Can keep equally continuing the less power for pump operation or energy, also significantly limits simultaneously due to pressure pulse and and then the less desirable position of sealed department that causes of the erratic behavior in injection scheme picture is formed that may thereupon occur move.In addition, improve dosing accuracy because reliably avoid wearing and tearing, high load and aging in transport path through the less desirable bypass on sealed department side.Therefore preferred, angle segment is configured to larger than angular distance at least 5%, especially at least 8% and preferred at least 12%.According to the quantity of sealed department in the transport path of pump meaningfully, angle segment larger than angular distance maximum 120%, thus enough large delivered volume (closed pump volume) can also be formed at this.
Concerning pump especially advantageously, the angular distance between entrance and exit is less than 40 °.Preferably this angular distance is less than 30 ° and is especially less than 25 °, and wherein concerning the application of automotive field, in order to ensure enough cross sections of entrance and exit, angular distance if desired (significantly) should not be less than 18 °.Angular distance little especially achieves the pump compact especially with king-sized quantity delivered, because need little position concerning entrance and exit, and at least one pump volume closed can be large especially.
In addition, concerning pump advantageously, at least one entrance and at least one outlet have cross section microscler vertically.
At this, refer to be close to/be located immediately at gap location between eccentric stiffener and pump case, the cross section of entrance and exit.When eccentric stiffener rotates, sealed department passes through the cross section of entrance or outlet.Meanwhile, sealed department rolls in pump case.Microscler cross section is preferably oval/avette.Achieved by microscler cross section vertically, reduce entrance or outlet extension/length circumferentially.Achieve like this, reduce the angular distance between entrance and exit.Even if this with " symmetrical " design proposal of the cross section of entrance and exit for starting point, then also can still in the application meaningfully, the only cross section of correspondingly design entry or outlet, or two cross sections are designed to the different feature (such as different length, width, curvature etc.) with microscler cross section.
In addition, concerning pump advantageously, be greater than 90 ° [degree] by the angle segment that sealed department covers/crosses over.
Achieved by this large angle segment (define sealed department in this angle segment and transport path close), especially effectively perform the pressure increase of the pump volume that at least one is closed or the compression of pump volume that at least one is closed.Particularly advantageously, 120 ° are even greater than by the angle segment of crossing over.Meanwhile, such as should more than 180 ° by the angle segment of crossing over because otherwise the too small and transmission power of pump of at least one pump volume closed can reduce.
In addition, concerning pump advantageously, eccentric stiffener has the shape different from circle, thus by least one sealed department described along the displacement from entrance to the throughput direction of outlet occurred following effect at least one:
-pump volume closed in transport path is compressed.
-deformable element is so out of shape, and has occurred pressure increase in the pump volume namely closed.
Concerning by means of eccentric stiffener formation sealed department, the external shape of eccentric stiffener is important.The shape of eccentric stiffener can illustrate by means of polar coordinate system, and wherein the pole of coordinate system is positioned on the axis of eccentric stiffener.In this coordinate system, the vicissitudinous radius of eccentric stiffener tool.Common eccentric stiffener for the pump arranged herein is circular and the eccentric axis be arranged as relative to pump, thus occurs the eccentric motion of side face around the rotation of axis by eccentric stiffener.Shown in described polar coordinate system, the radius of this eccentric stiffener is circumferentially or according to sinusoidal variation.Occurred flat site, in this flat site, the radius of eccentric stiffener is less than in the region raised.The least radius of eccentric stiffener in polar coordinate system defines the circular basic shape of eccentric stiffener.This circular basic shape is the circle concentric with axis, and described circle has the least radius of eccentric stiffener in polar coordinate system.This circular basic shape has been stretched out in the region raised.Utilize the region of this rising, eccentric stiffener to be pressed on deformable element and therefore to create sealed department.
The eccentric stiffener with non-circular shape can be such as oval or have other shape different from circle.The eccentric stiffener of not rounded also can so describe, namely in polar coordinate system this eccentric stiffener at the radius circumferentially shown, there is the shape different from sinusoidal curve.In this eccentric stiffener, the region of rising can occupy larger angle share than smooth region.It is also possible that along throughput direction, the side of the lifting in the region of rising is along more precipitous than the edge, side declined.In addition, that circumferentially can arrange multiple rising with smooth region.
The eccentric stiffener of not rounded also can have bearing, and described bearing makes external bearings ring separate with internal eccentric institution regional.This bearing can be flexible and deformable, instead of rigidity and circular.Correspondingly to be out of shape accordingly with eccentric mechanism movement when described bearing rotates in internal eccentric institution regional and this Movement transmit to deformable element.
Two kinds of described effects can occur individually or in combination with each other.When utilizing the liquid of transport pump to compress or even when (also) conveying gas instead of liquid, then compress the pump volume closed in transport path.When utilizing the liquid of transport pump not compress, then can not compress closed pump volume.Replace, then deformable deformed element and/or compression.In compression, deformable element is pressed together.In distortion, the region of such as deformable element can shift flexibly.When with little compressibility conveying liquids and gases, also may there are two kinds of effects parallelly.By compression and/or pressure increase, make pressure surge level in conveying and make conveying uniform.
In addition, concerning pump advantageously, pump case has the shape different from circle, thus by least one sealed department described along the displacement from entrance to the throughput direction of outlet occurred following effect at least one:
-pump volume closed in transport path compresses.
-deformable element is so out of shape, and has occurred pressure increase in the pump volume namely closed.
The design of the eccentric stiffener that this design of pump case is described before can being alternative.Usually more simply, described favourable effect is that the design by pump case instead of the design by means of eccentric stiffener realize.This is such as because pump case is fixed and different with eccentric stiffener, does not rotate.Such as can save deformable bearer ring as above thus.
Concerning also can converting to not rounded or different with circle pump case for the explanation realizing the shape different from circle by means of polar coordinate system of providing eccentric stiffener.At this, correspondingly do not consider the deviation with basic shape in the region in fixing seal portion.Concerning the problem whether relating to the pump case with round-shaped or non-circular shape, the region of (especially) only pump case is conclusive, this region along throughput direction between entrance and exit.In the region in fixing seal portion, the possible depressed part (being in reverse to throughput direction between the outlet and the inlet) of pump case is not considered at this.
Also can all have the shape different from circle with pump case by eccentric stiffener, thus due at least one sealed department along the displacement from entrance to the throughput direction of outlet occurred two kinds of described effects at least one.
In addition, concerning pump advantageously, at least one pump case or eccentric stiffener so design, and arc-shaped gaps (the arranging deformable element in the gap) edge namely between pump case and eccentric stiffener is from entrance to the throughput direction convergent continuously of outlet.
Illustrate arc-shaped gaps until outlet convergent time must it is considered that, eccentric stiffener is eccentric.Eccentricity can be left in the basket when the convergent in gap is described.On the contrary, the gap between pump case and the circular basic shape of eccentric stiffener explained further can be measured above.Arc-shaped gaps is the region of the annular space between eccentric stiffener and pump case.At least one pump volume is until outlet is shifted far away, then edge is from entrance to the throughput direction of outlet, and space less gradually in arc-shaped gaps supplies for deformable element and at least one pump volume.Thus until outlet path on there is the distortion of the more and more stronger compression of pump volume and/or the more and more stronger of deformable element.Therefore, can especially effectively realize described pump volume compression effectiveness or in the pump volume closed the effect of pressure increase.
In addition, concerning pump advantageously, pump case has the first radius and has the second radius in outlet port in ingress, wherein the first radius ratio second radius is little and the first radius transits to the second radius continuously.
This design of pump case is the simple especially modification of one, achieves and makes narrowing of the arc-shaped gaps between eccentric stiffener and pump case.The shape with the pump case of the radius reduced continuously also can be called that (piecemeal) is spiral-shaped.
The design of described pump case and the design of described eccentric stiffener equally can respectively with have angular distance entrance and exit shape and independently applied by the sealed department of the angle segment of crossing over having.Utilize described clear and definite it is emphasised that pump at this, wherein angle segment is larger than angular distance, but its middle shell and/or eccentric stiffener so design, namely, at least one sealed department edge is from entrance to the displacement of the throughput direction exported, there is at least one in the following described effect further illustrated above:
-pump volume closed in transport path compresses.
-deformable element is so out of shape, and has occurred pressure increase in the pump volume namely closed.
In addition, concerning pump advantageously, at least one following component so designs, namely, during at least one sealed department is from entrance to the displacement exported, compression or the pressure increase passed through because the distortion of deformable element occurs of the pump volume closed by least one are carried out from entrance to the continuous print pressure adjusting exported in pump inside:
-entrance,
-outlet,
-sealed department,
-pump case,
-eccentric stiffener.
The entrance of pump is connected to aspiration usually, and pump is by this aspiration pumping liquid.Delivery side of pump is connected to pressure piping usually, and the liquid be under pressure leaves pump by this pressure piping.To the path of outlet, the pressure of pressure preferably continuously from the pressure adjusting of ingress to outlet port is made by pump from entrance.This realizes preferably by least one measure further illustrated above.Continuous setup from entrance to the pressure of outlet achieves, and especially effectively prevents less desirable pressure peak and pressure surge.
In addition suggested a kind of Motor Vehicle, its have internal-combustion engine, for the exhaust of cleaning internal combustion engines exhaust gas treatment device and there is the device of described pump, the liquid (especially aqueous solution of urea) for exhaust gas purification can be delivered in exhaust gas treatment device by this device.Exhaust gas treatment device is preferably provided with adding set, the liquid for exhaust gas purification by transport pump can be inputted in exhaust gas treatment device by means of described adding set.Adding set, pump and the storage tank for storage of liquids are connected to each other preferably by pipeline.Preferably in exhaust gas treatment device, be provided with SCR catalyst, decrease the nitrogen oxide in the exhaust of internal-combustion engine at SCR catalyst place by means of the liquid for exhaust gas purification.
Accompanying drawing explanation
By accompanying drawing in detail the present invention and technical field are described in detail below.Accompanying drawing shows particularly preferred embodiment, but the present invention is not limited thereto.Especially to point out, accompanying drawing and especially shown in proportionate relationship be only schematic.In accompanying drawing:
Fig. 1: the first embodiment that described pump is shown,
Fig. 2: the second embodiment that described pump is shown,
Fig. 3: the chart that the operation of the pump of an explanation prior art is shown;
Fig. 4: the 3rd embodiment that described pump is shown,
Fig. 5: the 4th embodiment that described pump is shown,
Fig. 6: the chart that the operation of the described pump of an explanation is shown;
Fig. 7: the 5th embodiment that described pump is shown;
Fig. 8: the chart that the operation of the 5th embodiment of the described pump of an explanation is shown;
Fig. 9: the isometric views that a pump is shown;
Figure 10: the isometric views that another pump is shown;
Figure 11: the cross section that described pump is shown;
Figure 12: the 6th embodiment that described pump is shown; And
Figure 13: the Motor Vehicle with described pump is shown.
Embodiment
The different embodiment of described pump 1 shown in Figure 1, at this in view of first known technology or functional character should describe described pump uniformly.Pump 1 has pump case 2 respectively, arranges around the rotating eccentric stiffener 5 of axis 6 in this pump case.(single with single type) deformable element 7 is there is respectively in gap 17 between pump case 2 and eccentric stiffener 5.When eccentric stiffener 5 moves around axis 6, deformable element 7 rolls in pump case 2.At this, the sealed department 9 between pump case 2 and deformable element 7 moves along throughput direction 11.At least one pump volume 10 is shifted until export 4 along transport path 8 from entrance 3 thus.This results in, liquid enters pump case 2 along with throughput direction 11 by entrance 3 and leaves pump case 2 by outlet 4.Axis 6 defines the axis of pump 1.Radial direction 15 is vertical with this axis 6.Circumference 12 is vertical with radial direction 15 again.The position of sealed department 9 can be defined according to circumference 12.
Pump 1 also has fixing seal portion 29, and described fixing seal portion prevents liquid to be in reverse to throughput direction 11 and is back to entrance 3 from outlet 4.According to Fig. 1,4 and 5, sealing portion is configured to the depressed part 30 of the housing 2 between entrance 3 and outlet 4 respectively.In the embodiment of Fig. 2 and 7, fixing seal portion 29 utilizes pin 31 to produce respectively, and described pin inserts in deformable element 7.At another of fixing seal portion 29 herein in unshowned embodiment, deformable element 7 can be fixed in pump case 2 in the mode of hydraulic seal.Such as, can clamp or bond deformable element 7.
According to all embodiments of pump in Fig. 1,2,4,5 and 7, eccentric stiffener 5 has bearing 28.In the embodiment of Fig. 1 and 2, eccentric stiffener 5 is divided into inner region 41 and external bearings ring 42 by bearing 28.Fig. 4,5 and 7 embodiment in, there is not external bearings ring, but bearing 28 directly rolls on deformable element 7.When eccentric stiffener has not rounded (different from circle) shape, bearing 28 and if desired also have external bearings ring 42 should deformable.Bearing 28 and external bearings ring 42 are rolled with corresponding respectively to the eccentricity of eccentric stiffener 5.
According to all embodiments shown in Fig. 1,2,4,5 and 7, deformable element 7 is configured to deformable film 21 respectively.
Angle segment 14 is shown in fig 1 and 2, and in this angle segment, deformable element 7 forms displaceable sealed department 9 together with pump case 2.Further there is illustrated angular distance 13, this angular distance is present between the outlet 4 of pump 1 and entrance 3.
Respectively illustrate the identical embodiment of pump 1 in figures 4 and 5, wherein in two diagrams, eccentric stiffener 5 is different with the position of sealed department 9 in pump case 2.In this embodiment of pump 1, pump case 2 so designs, and the gap 17 namely between the basic shape 45 and pump case 2 of the circle of eccentric stiffener 5 is until outlet 4 convergent continuously.Pump case 2 has from entrance 3 until export 4 radiuses reduced continuously.In the region of entrance 3, pump case 2 has the first radius 18.This first radius transits at outlet 4 place continuously, the second radius 19 of pump case 2.Thus the displacement of sealed department 9 from entrance 3 to outlet 4, the pump volume 10 closed compresses and/or deformable element 7 is so out of shape, and namely in the pump volume 10 closed, occurs pressure increase.
In order to get across, show the conveying of compressible medium in figures 4 and 5.When carrying incompressible liquid, the effect that occurs can not shown in an accompanying drawing, because concerning incompressible liquid, because pressure increase there will not be the change of pump volume 10.Can find out a kind of situation in the diagram, the sealed department 9 of pump 1 to be arranged near entrance 3 and pump volume 10 is arranged near outlet 4 in this case.It can also be seen that the channel cross-section 43 of transport path 8 in pump volume 10.Figure 5 illustrates a kind of situation, sealed department 9 is arranged near the outlet 4 of pump 1 in this case.Can find out, pump volume 10 is positioned near entrance 3.Pump volume 10 has channel cross-section 43 there equally.Can find out, in Fig. 5, channel cross-section 43 is greater than the channel cross-section 43 in Fig. 4.Pump volume 10 is compressed on the path from entrance 3 to outlet 4.When utilizing pump 1 to carry incompressible liquid, this compression effectiveness there will not be.Then the volume of movable pump volume 10 (and substantially also having the cross section of pump volume 10) keeps constant in the whole path from entrance 3 to outlet 4.But until the distortion that change is large has appearred in outlet 4 in deformable element 7.This stronger distortion of deformable element 7 result in the pressure increase in pump volume 10.
Fig. 7 illustrates the embodiment of pump 1, has the eccentric stiffener 5 of not rounded (different from circle) shape.This eccentric stiffener 5 has the first diameter 32 and Second bobbin diameter 33 vertical therewith.Second bobbin diameter 33 is less than the first diameter 32 at this, thus eccentric stiffener 5 is not circular.
Fig. 3 and Fig. 6 illustrates the operation of described pump.Figure 3 illustrates the operation of the pump on basis in contrast, wherein neither there is the corresponding ratio of angular distance and angle segment, also do not take the corresponding shape of eccentric stiffener or pump case.In Fig. 3 and 6, pump structure is from having the polar coordinate system conversion of radial 15 and circumference 12 to cartesian coordinate system.In order to better understanding, in Fig. 3 and 6, also show radial 15 and circumference 12.Show pump case 2, eccentric stiffener 5 and the deformable element 7 with entrance 3 and outlet 4 and the transport path 8 with at least one pump volume 10 and at least one sealed department 9 in both figures.In addition fixing seal portion 29 can also be seen, rolling illustrated two ends and can see described fixing seal portion in figure 3 correspondingly at pump 1.Two sections separately illustrated in Fig. 3 and 6 in fixing seal portion 29 are actually (unique) fixing seal portion 29.When the Descartes's diagram in Fig. 3 and 6 return again be converted to polar coordinate system time, two fixing seal portions 29 of illustrating of being separated from each other will against each other or overlap each other.Eccentric stiffener 5 has the region 34 of circular basic shape 45 and rising and smooth region 35 respectively.The region 34 raised and smooth region 35 are depicted as at this edge, side that stepped shaft has flattening respectively simplifiedly.In fact there is sinusoidal shape or rather at this, described sinusoidal shape defines the region 34 of rising and smooth region 35.
Step is a) to e) illustrating 5 of eccentric stiffener 5 different positions respectively, and wherein eccentric stiffener 5 is step by step along throughput direction 11 movement further.
Can find out in figure 3, once occur between outlet 4 and pump volume 10 connecting, then the channel cross-section 43 of pump volume 10 increases.This is because, there is the pressure increased at outlet 4 place, and therefore once there is connection between pump volume 10 and outlet 4, then liquid is flow in pump volume 10 by outlet 4.When final sealed department 9 further motion time and pump volume 10 entirety reduce time, then be again pushed out from outlet 4 by the liquid of outlet 4 inflow pump volume 10 before.In the pump shown in Fig. 3, do not take measures to realize the compression on the path from entrance 3 to outlet 4 at least one pump volume 8 closed or pressure increase.
According to the pump case 2 of Fig. 6, there is the first larger radius 18 at entrance 3 place and export the less Second bobbin diameter 19 at 4 places.With pump case 2 until the form on the inclined-plane 44 of outlet 4 can notice this situation.Gap 17 between the circular basic shape 45 of pump case 2 and eccentric stiffener 5 is towards outlet 4 convergent.Can see, due to inclined-plane 44, until outlet 4 path on there is the cumulative distortion of deformable element 7.This cumulative distortion causes, the pressure increase in pump volume 10 and with the pressure match at outlet 4 place.When there is the connection of fluid communication between outlet 4 and pump volume 10 (see steps d), the pressure in pump volume preferably increases to the pressure making this pressure correspond to outlet 4 place.
Fig. 8 illustrates the diagram of the embodiment of the pump 1 corresponding to Fig. 3 and 6, described pump shown in Figure 7.Can see at this, eccentric stiffener 5 piecemeal (especially in smooth region 35) has asymmetrical shape 36, it is characterized in that, eccentric stiffener 5 along throughput direction 11 be positioned at side before corresponding pump volume 10 along have with eccentric stiffener 5 along the side after throughput direction 11 is positioned at corresponding pump volume 10 along different shapes.Also can be implemented in the compression from the path of entrance 3 to outlet 4 at least one pump volume 10 closed and/or pressure increase thus
Fig. 9 and 10 show two of pump 1 different etc. axle diagram.Respectively illustrate axis 6, radial 15 and circumferential 12.Above pump case 2, arrange the drive unit 26 of pump along axis 6, this drive unit is connected at this unshowned eccentric stiffener 5 with pump case 2 by live axle 27.Correspondingly can see entrance 3 and the outlet 4 of pump case 2, described entrance and exit has cross section 16 respectively.In the embodiment shown in Fig. 9, entrance 3 and outlet 4 are designed to microscler (similar slit) respectively, thus they have microscler cross section 16 along the direction of axis 6.Achieve like this, in the given cross section 16 of entrance 3 with outlet 4, the angular distance 13 shown in Figure 10 is designed to little especially.
Figure 11 shows the cross section of pump 1, as it shown in Fig. 1,2,4,5 and 7.Pump case 2, eccentric stiffener 5, axis 6, drive unit 26 and live axle 27 can be seen and be configured to the deformable element 7 of film 21, described deformable element can so be out of shape due to the motion of eccentric stiffener 5, and unshowned sealed department is herein moved along transport path 8.Pump volume 10 is arranged between pump case 2 and deformable element 7.
Figure 12 illustrates the embodiment of the pump 1 of the flexible pipe 20 had as deformable element 7, and described deformable planning is in pump case 2 between pump case 2 and eccentric stiffener 5.Eccentric stiffener 5 is arranged rotationally along axis 6 and is compressed flexible pipe 20 piecemeal by means of housing 2, thus defines two sealed departments 9 according to Figure 12.Promote sealed department 9 by the rotation of eccentric stiffener 5 along throughput direction 11, thus at least one pump volume 10 is shifted towards outlet 4.Also the uniform discharging from outlet 4 liquid out can be realized in this pump 1 by the suitable design of eccentric stiffener 5 or pump case 2.
Figure 13 illustrates Motor Vehicle 22, has internal-combustion engine 23 and the exhaust gas treatment device 24 for the exhaust of cleaning internal combustion engines 23.In exhaust gas treatment device 24, be provided with SCR catalyst 40, and utilized device 25 liquid additive for exhaust gas purification can be inputted exhaust gas treatment device 24.Device 25 comprises for the storage tank 37 of storage of liquids additive with for liquid additive being added to the injection apparatus 39 in exhaust gas treatment device 24.Injection apparatus 39 is connected with storage tank 37 by pipeline 38.Pipeline 38 also arranges pump 1, can conveying liquid body additives by means of described pump.Injection apparatus 39 can comprise nozzle, is atomized described liquid additive and/or metering valve by means of described nozzle in exhaust gas treatment device 24, can carry out the output of the quantifying of liquid additive by means of described metering valve.
Also will point out as preventive measure, technical characteristics combination shown in the figure is not completely enforceable.Therefore can by the technical characteristics of an accompanying drawing and another accompanying drawing and/or other technical characteristics of general remark combine.That clearly having indicated that Feature Combination and/or those skilled in the art can determine at this in addition no longer can the fundamental function of implement device to this sole exception situation.
Reference numerals list:
1 pump
2 pump case
3 entrances
4 outlets
5 eccentric stiffeners
6 axis
7 deformable elements
8 transport paths
9 displaceable sealed departments
10 pump volumes
11 throughput directions
12 circumferences
13 angular distances
14 angle segment
15 is radial
16 cross sections
17 gaps
18 first radiuses
19 second radiuses
20 flexible pipes
21 deformable films
22 Motor Vehicle
23 internal-combustion engines
24 exhaust gas treatment devices
25 devices
26 drive units
27 live axles
28 bearings
29 fixing seal portions
30 depressed parts
31 pins
32 first diameters
33 Second bobbin diameters
34 regions raised
35 smooth regions
36 asymmetrical shapes
40SCR catalyst converter
41 inner regions
42 external bearings rings
43 channel cross-sections
44 inclined-planes
45 circular basic shape
Claims (12)
1. one kind for carrying the pump (1) of liquid, there is the pump case (2) with at least one entrance (3) and at least one outlet (4), wherein in pump case (2), arrange eccentric stiffener (5), described eccentric stiffener can rotate along axis (6) relative to pump case (2), and wherein between pump case (2) and eccentric stiffener (5), arrange deformable element (7), wherein limit from least one entrance (3) at least one transport path (8) of at least one outlet (4) by means of deformable element (7) and form at least one displaceable sealed department (9) of transport path (8), described sealed department has separated at least one pump volume (10) closed in transport path (8), wherein in order to liquid is delivered to outlet (4) from entrance (3) along transport path (8) along throughput direction (11), at least one moveable sealed department (9) described can be shifted by the motion of eccentric stiffener (5), wherein entrance (3) and outlet (4) circumferentially (12) around axis (6) there is angular distance (13) relative to each other and sealed department (9) circumferentially (12) cross over an angle segment (14), described in described angle segment, transport path (8) is closed, wherein angle segment (14) is greater than angular distance (13).
2. pump according to claim 1 (1), wherein deformable element (7) is flexible pipe (20), and described flexible pipe to insert in the arc-shaped gaps (17) between eccentric stiffener (5) and pump case (2) and is connected to entrance (3) and exports (4).
3. pump according to claim 1 (1), wherein deformable element (7) be deformable film (21) and transport path (8) from described at least one entrance (3) to described at least one outlet (4) limited at least in part by pump case (2) and deformable film (21).
4., according to pump in any one of the preceding claims wherein (1), the angular distance (13) wherein between entrance (3) and outlet (4) is less than 40 °.
5., according to pump in any one of the preceding claims wherein (1), wherein said at least one entrance (3) and at least one outlet (4) described have along the microscler cross section (16) in the direction of axis (6).
6., according to pump in any one of the preceding claims wherein (1), be wherein greater than 90 ° by the angle segment (14) that sealed department (9) is crossed over.
7. according to pump in any one of the preceding claims wherein (1), wherein eccentric stiffener (5) has the shape different from circle, thus at least one following effect has appearred in the displacement extremely being exported the throughput direction (11) of (4) by described at least one sealed department (9) edge from entrance (3):
-pump volume (10) closed in transport path (8) is compressed, and
-deformable element (7) is so out of shape, and has occurred pressure increase in the pump volume (10) namely closed.
8. according to pump in any one of the preceding claims wherein (1), wherein pump case (2) has the shape different from circle, thus at least one following effect has appearred in the displacement extremely being exported the throughput direction (11) of (4) by described at least one sealed department (9) edge from entrance (3):
-pump volume (10) closed in transport path (8) is compressed, and
-deformable element (7) is so out of shape, and has occurred pressure increase in the pump volume (10) namely closed.
9. the pump (1) according to claim 7 or 8, wherein at least one pump case (2) or eccentric stiffener (5) so design, and namely between pump case (2) and eccentric stiffener (5), to be wherein furnished with deformable element (7) arc-shaped gaps (17) is along throughput direction (11) convergent continuously extremely exporting (4) from entrance (3).
10. pump according to claim 9 (1), wherein pump case has the first radius (18) and has the second radius (19) at outlet (4) place at entrance (3) place, and wherein the first radius (18) is less than the second radius (19) and the first radius (18) transits to the second radius (19) continuously.
11. according to pump in any one of the preceding claims wherein (1), wherein as at least one in lower member so designs, make at least one sealed department (9) from entrance (3) to during the displacement of outlet (4), the compression of the pump volume (10) closed by least one or carry out in pump (1) inside the continuous print pressure adjusting extremely exporting (4) from entrance (3) by the pressure increase that occurs due to the distortion of deformable element (7):
-entrance (3),
-outlet (4),
-sealed department (9),
-pump case (2), and
-eccentric stiffener (5).
12. 1 kinds of Motor Vehicle (22), there is internal-combustion engine (23), for the exhaust gas treatment device (24) of the exhaust of cleaning internal combustion engines (23) and the device (25) that has according to pump in any one of the preceding claims wherein (1), can the Liquid transfer for exhaust gas purification in exhaust gas treatment device (24) by described device.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013106170.2 | 2013-06-13 | ||
| DE102013106170.2A DE102013106170A1 (en) | 2013-06-13 | 2013-06-13 | Pump for conveying a liquid |
| PCT/EP2014/061546 WO2014198597A1 (en) | 2013-06-13 | 2014-06-04 | Pump for delivering a liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105492770A true CN105492770A (en) | 2016-04-13 |
Family
ID=50896288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480044006.7A Pending CN105492770A (en) | 2013-06-13 | 2014-06-04 | Pump for delivering a liquid |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20160138589A1 (en) |
| EP (1) | EP3008342A1 (en) |
| JP (1) | JP2016521829A (en) |
| KR (1) | KR20160017091A (en) |
| CN (1) | CN105492770A (en) |
| DE (1) | DE102013106170A1 (en) |
| WO (1) | WO2014198597A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168207A (en) * | 2016-06-14 | 2016-11-30 | 宁波新邦工具有限公司 | A kind of rotary extrusion type compressed air generating means |
| CN112460004A (en) * | 2019-09-06 | 2021-03-09 | 依必安-派特圣乔根有限责任两合公司 | Orbital pump device comprising a convex surface for conveying a liquid medium, method and use |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015203437B3 (en) * | 2015-02-26 | 2016-06-09 | Continental Automotive Gmbh | Method for operating a device for the metered supply of a liquid |
| CN108625940A (en) * | 2017-03-20 | 2018-10-09 | 天纳克（苏州）排放系统有限公司 | Integrating device, exhaust gas aftertreatment system and control method |
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| CN106168207A (en) * | 2016-06-14 | 2016-11-30 | 宁波新邦工具有限公司 | A kind of rotary extrusion type compressed air generating means |
| CN112460004A (en) * | 2019-09-06 | 2021-03-09 | 依必安-派特圣乔根有限责任两合公司 | Orbital pump device comprising a convex surface for conveying a liquid medium, method and use |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102013106170A1 (en) | 2014-12-31 |
| US20160138589A1 (en) | 2016-05-19 |
| KR20160017091A (en) | 2016-02-15 |
| WO2014198597A1 (en) | 2014-12-18 |
| JP2016521829A (en) | 2016-07-25 |
| EP3008342A1 (en) | 2016-04-20 |
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Application publication date: 20160413 |