CN103717905B - Side channel blower having a plurality of feed channels distributed over the circumference - Google Patents
Side channel blower having a plurality of feed channels distributed over the circumference Download PDFInfo
- Publication number
- CN103717905B CN103717905B CN201280037731.2A CN201280037731A CN103717905B CN 103717905 B CN103717905 B CN 103717905B CN 201280037731 A CN201280037731 A CN 201280037731A CN 103717905 B CN103717905 B CN 103717905B
- Authority
- CN
- China
- Prior art keywords
- outlet
- air blast
- transfer passage
- transfer
- passage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D23/00—Other rotary non-positive-displacement pumps
- F04D23/008—Regenerative pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a side channel blower, in particular a secondary air pump for an internal combustion engine, comprising a multi-part housing which has at least one inlet (6, 7) and at least one outlet (20, 21) and has substantially one first and one second housing part (10, 16), wherein the inlet (6, 7) and the outlet (20, 21) are fluidically connected via at least one inlet region (8, 9), extending over at least one at least partially annular feed channel (12, 14) formed in the first and/or second housing part (10, 16) and via at least one outlet region (23, 25), comprising an impeller (4) which is rotatably mounted in the housing (2) and can be driven via a drive unit (3), wherein the impeller (4) has conveying blades (22) which interact with the opposite feed channel and comprising at least one interruption region (28, 30) between the inlet region (8); and in the outlet region (23, 25), in which the at least one feed channel (12, 14) is interrupted in the circumferential direction, wherein there is at least one feed channel (12, 14) which has a circumferential angle less than or equal to 300 degrees.
Description
Technical field
The present invention relates to a kind of air blast with wing passage, is particularly useful for the secondary air pump of internal combustion engine, including a multi-section
The shell being grouped into, it has at least one import and at least one outlet, and generally has outside one first and one second
Shell parts, wherein import by least one entrance region, by least one at least partly annular design with extending first and/
Or the transfer passage in second housing portion, and by least one outlet area, and it is connected with exporting mutual phase fluid flow, wraps
An active wheel is included, it is rotatably installed in inside the shell and can be driven by driver element, and wherein active wheel has conveying leaf
Piece, they and opposite transfer passage mating reaction, and including at least one interruption between entrance region and outlet area
Area, circumferentially cuts off at least one transfer passage in unconnected area.
Background technology
This air blast with wing passage or pump be it is well known that and in many applications, for example also exist
It is on the books in DE102009006652A1.They are for example used for conveying fuel or for being blown into two in waste gas system in the car
Secondary air.Drive and generally realize by motor, motor-driven active wheel.Active wheel is substantially designed as on its circumference,
It is made to constitute an annular swirl channel with the transfer passage in its axially opposing seated position.Conveying blade is from active wheel structure
Part into swirl channel is set out, and the direction for being designed as outer casing member in relative seated position towards transfer passage extends perpendicularly out,
So as to form chamber between conveying blade.When active wheel rotates, the fluid conveyed within the chamber is obtained by conveying blade
Acceleration circumferentially and radially is obtained, so as to form vortex ring in transfer passage.
It is known wherein only in an axial side of active wheel, design the band side of a transfer passage in a casing part
Passage air blast, and the band wing passage air blast in active wheel two axial sides designs, one transfer passage is also known in which,
Again two transfer passages mutual phase fluid flow is connected in this case.In this band wing passage air blast, wherein one
The design of individual transfer passage is in the casing part as lid, and another transfer passage design is in generally fixed drive list wherein
In the casing part of unit, active wheel is anti-rotationally on the axle of the driver element.
Common starting point is to accomplish to convey well as far as possible or be pressurized, and this needs the circumference using transfer passage most
Possible big part.Based on the reason, inlet and outlet circumferentially to the greatest extent may be used in apart along active wheel direction of rotation
Can be remote, the closed circuit flowing between import and outlet is now prevented by unconnected area.
Band wing passage air blast is specified for two operating points here.The specified point of delivery of the first, such as in 10mbar
When 40kg/Std., and another is zero point of delivery（Conveying capacity=0kg/Std.）.But when zero conveys, exist very high
Pressure, because for example outlet is completely closed in this case.Use in the difference of zero point of delivery pressure compared with specified point of delivery
Δ p is represented.
If new volume should be implemented in the case where not changing with wing passage air blast physical dimension by adjustment of rotational speed now
Determine point of delivery, then necessarily cause a Δ p, it is according to new working speed and the physical dimension with wing passage air blast or feature
Line draws.Thus in some cases, when zero conveys, Δ p and and then current consumption amount（Stromaufnahme）Quite
It is high.It is of course possible to adjust active wheel physical dimension.But the free degree in this respect is restricted, and this adjustment is gone back and high cost
Instrument and develop associated.
The content of the invention
Therefore the technical problem to be solved in the present invention is to create a kind of band wing passage air blast that can overcome disadvantages mentioned above.
The measure taken for solving above-mentioned technical problem is to arrange at least one to have angle of circumference<300 ° of transfer passage.
Should remark additionally here, angle of circumference is defined as, the starting point of angle of circumference is determined by first profile point of transfer passage, and
The terminal of angle of circumference is determined by last profile point of transfer passage.Reduce with the liter in wing passage air blast in this way
Pressure, the band wing passage air blast relatively low so as to obtain a kind of maximum pressure.Therefore, also correspondingly it is limited in the electric current of zero point of delivery
Consumption.The specified point of delivery of movement is not result in that band wing passage air blast excessively increases current consumption amount.
Following measures are taken to create a kind of particularly advantageous form of implementation, that is, not only first but also second housing portion
Respectively there is a transfer passage, they have public outlet, wherein have a transfer passage more much smaller than other transfer passages.With this
Mode creates a kind of band wing passage air blast, and it can reach the high maximum pressure of comparison, and thus also to reach comparison high
Point of delivery.But at the same time, compared with traditional band wing passage air blast, related characteristic curve is designed to relatively put down, thus volume
The change for determining point of delivery will not bring counter productive to the size of current consumption amount.
By a kind of favourable form of implementation, set at least one casing part at least two circumferentially follow one another it is logical
The transfer passage that unconnected area mutually separates is crossed, wherein each transfer passage is connected with one outlet area.
The reason for coming from structure technology is it may be preferred that be provided with least two outlets in this case, they distinguish
It is connected with one outlet area.By another kind of form of implementation, not only first but also in second housing portion, two edges are respectively provided with
The transfer passage for circumferentially following one another, the transfer passage Ge You one outlets area of wherein described extension parallel to each other vertically, it
Import in a public outlet.A kind of band wing passage air blast is created to a certain extent by this form of implementation,
It describes two parallel band wing passage air blasts that the total flow envisioned is big and maximum Δ p is little.Additionally, this form of implementation
Space especially saves and manufacturing cost is very low.
Description of the drawings
Accompanying drawing is represented by a kind of embodiment of the present invention with wing passage air blast and is illustrated below.Wherein：
Fig. 1 represents the cross-sectional side elevational view with wing passage air blast；
Fig. 2 represents the perspective view of the first housing portion with wing passage air blast shown in Fig. 1；
Fig. 3 represents the perspective view of the second housing portion with wing passage air blast shown in Fig. 1；And
Fig. 4 is represented the characteristic curve for belonging to the form of implementation and is compared with traditional band wing passage air blast.
Specific embodiment
The form of implementation represented in figure with wing passage air blast is a kind of so-called double helix structure form, wherein not only
First and in second housing portion, two transfer passages for circumferentially following one another are respectively equipped with, here vertically
The transfer passage Ge You one outlets area of extension parallel to each other, they are imported in a public outlet.Section in Fig. 1 is selected
For being allowed to extend through a transfer passage.The band wing passage air blast for representing in FIG, is divided into the outer of two parts by one
Shell 2 and one are rotatably installed in shell 2, can consist of the active wheel 4 that driver element 3 drives, and the latter is for example
For conveying air.Air warp beam is reached to import 6 in the entrance region 8 of first housing portion 10, first in this version
Casing part 10 is as the cover piece with wing passage air blast.From outlet area 8s, air then flows into two and generally arcuate in shape prolongs
The transfer passage 12,14 stretched, wherein the first transfer passage 12 are designed in cover piece 10, and the second transfer passage 14 is designed
The bearing of the drive shaft 19 of driver element 3, in two casing parts 16, in the centre bore 17 of second housing portion 16, is also installed
18, active wheel 4 is fixed in drive shaft 19.Should remark additionally（Also Fig. 2 and Fig. 3 is can be found in for this）, not only first but also second
Casing part 10,16 also has another transfer passage 13,14 respectively, including attached entrance region and outlet area and import 6,7
With outlet 20,21.The discharge Jing outlet areas 23,25 of air are carried out, and the outlet area is imported and is arranged in second housing portion 16
Tangential outlet 20,21 in.
Active wheel 4 is arranged between cover piece 10 and second housing portion 16, has conveying blade 22 on its circumference, conveys leaf
Piece is bending and radially extends that wherein conveying blade 22 is divided into and first by a circumferential ring 24 for radially extending
The axially opposing first row put of transfer passage 12 and with the 14 axially opposing second row put of the second transfer passage, so as to be designed with two
Individual swirl channel, their parts for facing respectively by one of transfer passage 12,14 with active wheel 4 are constituted.Transfer passage 12,
External diameter of 14 external diameter slightly larger than active wheel 4, thus 4 excircle of active wheel it is outside formed two transfer passages 12,14 it
Between flowing connection, such that it is able to carry out air exchange between two transfer passages 12,14.Therefore prolong in the circumference from ring 24
Between the conveying blade 22 stretched, the chamber 26 of the outside opening towards radial direction is formed, and air is conveyed wherein or accelerated, so air
Pressure along transfer passage 12,14 length improve.
For the reliable closed circuit flowing prevented from import 6 to outlet 20 against 4 direction of rotation of active wheel, in cover piece 10 and shell
Unconnected area 28,29,30,31 is set on part 16（Also Fig. 2 and Fig. 3 is can be found in for this）.These cut-outs of unconnected area 28,29,30,31 are defeated
Passage 12,13,14,15 is sent, so in unconnected area 28,29,30,31, axially opposedly with the conveying blade 22 of active wheel 4,
There is gap as little as possible.In addition, being designed with unconnected area 32 on the adjacent wall of the radial direction of second housing portion 16, they cut
Break in each transfer passage 12, the bonding pad 35 between 13,14,15 in radially outer.
The transfer passage 12,13 or 14,15 being located in cover piece 10 and second housing portion 16 is can be seen that by Fig. 2 and Fig. 3
There is essentially identical width, and in addition to unconnected area 28,29 or 30,31, the circumference along cover piece 10 and second housing portion 16 prolongs
Stretch.Therefore, in the view that Fig. 2 is selected, active wheel 4 is from entrance region counterclockwise rotates to transfer passage end.Table here
The all transfer passages 12,13,14,15 for showing have about 150 ° of angle of circumference.So in the band wing passage air blast for having an active wheel
Two independent helixes are configured in machine, and they respectively there are two transfer passages 12,13 or 14,15.Two are arranged in the present embodiment
Individual import 6,7 and attached entrance region 8,9, certainly in this respect it is also conceivable that only setting one by appropriate flow guide
Import or export and each attached region.
Fig. 4 represents this effect produced with wing passage air blast by the present invention in Characteristic Line Field.Fig. 4 represents two
Curve map, wherein represents the variation relation of mass flow and current consumption amount with Δ p respectively.Represented such as by existing with reference 36
There is a kind of indicatrix with wing passage air blast known to technology.As Δ p increases, mass flow declines and current consumption amount
Rise, until it reaches zero point of delivery.If specified point of delivery 44 should be lifted specified point of delivery 45 now, in the prior art
Realize that this causes the current consumption amount higher in zero point of delivery unavoidably by improving rotating speed.Such case reference 38
Represent.Represent that a kind of its two transfer passages have the band wing passage air blast of the angle of circumference of reduction with 40 now,.Mass flow
Characteristic curve with Δ p variation relations is very steep.In the specified point of delivery 46 that mass flow slightly reduces, this causes to be substantially reducing at zero
Current consumption amount during point of delivery.The double helix structure form for being illustrated with 42 signs in the present embodiment.Mass flow with
In the Characteristic Line Field of Δ p variation relations, its specified point of delivery corresponding with specified point of delivery 46 47 in terms of its mass flow has
Steeper characteristic curve.In the present embodiment, the current consumption amount in specified point of delivery 47 slightly increases than characteristic curve 38, but this
When be obviously reduced in the current consumption amount of zero point of delivery.
Claims (5)
1. a kind of with wing passage air blast, including the shell that multi-section is grouped into, the shell is with least one import (6,7) and extremely
Few one outlet (20,21), and there is one first and a second housing portion (10,16), it is wherein described import (6,7)
By at least one entrance region (8,9), itself at least partly design first and/or second to annular extension by least one
Transfer passage (12,14) in casing part (10,16), and by least one outlet area (23,25), with the outlet
(20,21) are mutually connected phase fluid flow；The band wing passage air blast includes active wheel (4), and the active wheel is rotatably
Can be driven in the shell (2) and by driver element (3), wherein, with conveying blade (22), these are defeated for active wheel (4)
Blade is sent with opposite transfer passage mating reaction；And also including at least one in entrance region (8) and outlet area (23,25)
Between unconnected area (28,30), circumferentially cut off at least one transfer passage (12,14) in the unconnected area (28,30), wherein,
Arrange at least one to have<The transfer passage (12,14) of 300 ° of angles of circumference, it is characterized by, at least one casing part (10,
16) at least two are arranged in passes through unconnected area (28,29 with circumferentially following one another；30th, the transfer passage for 31) mutually separating
(12,13,14,15), wherein each transfer passage (12,13,14,15) are connected with one outlet area.
2. according to the band wing passage air blast described in claim 1, it is characterized by, not only first and also second housing portion (10,
16) respectively there is a transfer passage (12,13,14,15), these transfer passages have public outlet, one of transfer passage
(12,13,14,15) are more much smaller than other transfer passages (12,13,14,15).
3. according to the band wing passage air blast described in claim 2, it is characterized by, arrange at least two and export.
4. according to the band wing passage air blast described in claim 3, it is characterized by, not only first but also in second housing portion
In (10,16), two transfer passages for circumferentially following one another (12,13 are respectively provided with；14th, 15), it is wherein parallel to each other vertically
The transfer passage (12,13 of extension；14th, 15) Ge You one outlets area, these outlet areas are imported in public outlets.
5. according to the band wing passage air blast described in one of Claims 1-4, it is characterized by, the band wing passage air blast sets
Count into the secondary air pump for internal combustion engine.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011108763A DE102011108763B4 (en) | 2011-07-28 | 2011-07-28 | Side channel blower |
| DE102011108763.3 | 2011-07-28 | ||
| PCT/EP2012/062803 WO2013013933A1 (en) | 2011-07-28 | 2012-07-02 | Side channel blower having a plurality of feed channels distributed over the circumference |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103717905A CN103717905A (en) | 2014-04-09 |
| CN103717905B true CN103717905B (en) | 2017-03-22 |
Family
ID=46456587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280037731.2A Active CN103717905B (en) | 2011-07-28 | 2012-07-02 | Side channel blower having a plurality of feed channels distributed over the circumference |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20140170000A1 (en) |
| EP (1) | EP2737215A1 (en) |
| CN (1) | CN103717905B (en) |
| DE (1) | DE102011108763B4 (en) |
| WO (1) | WO2013013933A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9714665B2 (en) * | 2013-12-13 | 2017-07-25 | Asia Connection LLC | Pool pump with multiple outlets |
| GB2528258B (en) * | 2014-07-14 | 2017-01-18 | Caterpillar (Ni) Ltd | A fluid distribution apparatus for an engine system |
| CN106286345A (en) * | 2016-09-01 | 2017-01-04 | 温州市彼得汽车部件有限公司 | A kind of energy-efficient automobile secondary air pump |
| CN106286393A (en) * | 2016-09-01 | 2017-01-04 | 温州市彼得汽车部件有限公司 | A kind of automobile secondary air pump by exhaust gas drive |
| US11371515B2 (en) | 2017-11-03 | 2022-06-28 | Fisher & Paykel Healthcare Limited | Regenerative blower |
| DE102019120410A1 (en) | 2019-07-29 | 2021-02-04 | Schwäbische Hüttenwerke Automotive GmbH | Conveyor device with a side channel or peripheral fan |
| CN112392766B (en) * | 2019-08-15 | 2023-08-18 | 广东德昌电机有限公司 | Side runner pump |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2104495A1 (en) * | 1971-01-13 | 1972-07-27 | Bbc Brown Boveri & Cie | Centrifugal fan |
| US3768920A (en) * | 1971-07-14 | 1973-10-30 | Eberspaecher J | Multi-flow air blower for fuel operated motor vehicle heaters |
| EP1059456A2 (en) * | 1999-06-11 | 2000-12-13 | Gebrüder Becker GmbH & Co. | Side channel compressor |
| DE10062352A1 (en) * | 2000-12-14 | 2002-07-11 | Siemens Ag | Gas compression method and side channel gas compressor with gas compressed in several part sections of ring-shaped pump chamber by driven rotor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19818667A1 (en) * | 1998-04-27 | 1999-10-28 | Becker Kg Gebr | Centrifugal compressor with radial compressor wheel |
| JP3756337B2 (en) * | 1999-02-09 | 2006-03-15 | 愛三工業株式会社 | Fluid pump |
| GB0215708D0 (en) * | 2002-07-05 | 2002-08-14 | Boc Group Plc | A regenerative fluid pump and stator for the same |
| DE102009006652B4 (en) * | 2009-01-29 | 2014-06-18 | Pierburg Gmbh | Side channel blower, in particular secondary air blower for an internal combustion engine |
| US9097263B2 (en) * | 2012-02-01 | 2015-08-04 | Borgwarner Inc. | Inlet design for a pump assembly |
-
2011
- 2011-07-28 DE DE102011108763A patent/DE102011108763B4/en active Active
-
2012
- 2012-07-02 EP EP12731444.1A patent/EP2737215A1/en not_active Ceased
- 2012-07-02 WO PCT/EP2012/062803 patent/WO2013013933A1/en active Application Filing
- 2012-07-02 CN CN201280037731.2A patent/CN103717905B/en active Active
- 2012-07-02 US US14/235,085 patent/US20140170000A1/en not_active Abandoned
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2104495A1 (en) * | 1971-01-13 | 1972-07-27 | Bbc Brown Boveri & Cie | Centrifugal fan |
| US3768920A (en) * | 1971-07-14 | 1973-10-30 | Eberspaecher J | Multi-flow air blower for fuel operated motor vehicle heaters |
| EP1059456A2 (en) * | 1999-06-11 | 2000-12-13 | Gebrüder Becker GmbH & Co. | Side channel compressor |
| DE10062352A1 (en) * | 2000-12-14 | 2002-07-11 | Siemens Ag | Gas compression method and side channel gas compressor with gas compressed in several part sections of ring-shaped pump chamber by driven rotor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013013933A1 (en) | 2013-01-31 |
| EP2737215A1 (en) | 2014-06-04 |
| DE102011108763A1 (en) | 2013-01-31 |
| CN103717905A (en) | 2014-04-09 |
| DE102011108763B4 (en) | 2013-08-08 |
| US20140170000A1 (en) | 2014-06-19 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |