CN109869223A - A kind of combined flow turbine booster - Google Patents
A kind of combined flow turbine booster Download PDFInfo
- Publication number
- CN109869223A CN109869223A CN201711252147.XA CN201711252147A CN109869223A CN 109869223 A CN109869223 A CN 109869223A CN 201711252147 A CN201711252147 A CN 201711252147A CN 109869223 A CN109869223 A CN 109869223A
- Authority
- CN
- China
- Prior art keywords
- impeller disk
- vertical section
- impeller
- blade
- turbine
- 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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- 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
Abstract
The present invention relates to a kind of combined flow turbine boosters, the combined flow turbine booster includes the impeller and turbine wheel shaft being fixedly linked, the impeller includes the blade of the impeller disk and multiple same structures, each blade includes vertical section and inverted sections, vertical section is perpendicular to the end face setting of the impeller disk and the bottom end of vertical section is connected with the impeller disk, along the edge of the impeller disk, setting is stretched out in oblique upper to the outer side edges of vertical section outward, included angle A between the vertical section outer side edges and impeller disk axial direction is 35 °, along the edge of the impeller disk, setting is stretched out in oblique upper to blade vertical section outward, the maximum outside diameter of the blade assembly of blade composition is greater than the diameter of the impeller disk, the outer side edges of blade vertical section are no longer normal to the impeller disk and are axially arranged, so that gas changes in the impeller disk and the flow direction of blade vertical section junction, compared to the arrangement of radial-flow turbine component, oblique There are guide functions to axial, improves turbine efficiency.
Description
Technical field
The present invention relates to turbocharger apparatus technical field, especially a kind of combined flow turbine booster.
Background technique
Turbocharger is to drive the turbine in turbine to rotate acting, turbine using the high-temp waste gas of engine discharge
Axis drives the impeller high speed rotation in coaxial connected compressor, and compressed air, is supplied to engine high pressure, height in eccentric fashion
Density air.To which we can spray more fuel oils to engine, reaches and improve engine power, torque and reduce discharge etc.
Purpose.
In the traditional structure of the central rotor assembly of turbocharger, turbine is the most important thing in mechanism, without whirlpool
Wheel cannot drive compressor, that entire turbocharging is gone also just without any effect.Turbine is produced in reject end by engine
Then raw exhaust gas high speed rotation is sucked air, is transported to engine by turbine wheel shaft band dynamic pressure impeller again.In existing market
It is all the radial flow turbocharger used in mainstream booster, design and the specific speed run are high, and impeller outlet is caused to arrange
Gas loss is huge, and impeller internal flow condition is bad, so that turbocharger performance sharply deteriorates.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of structures simply, the efficient combined flow turbine booster of operation.
In order to solve the above technical problems, combined flow turbine booster provided by the invention, including volute and turbine shaft assembly,
Runner is set in volute, and the entrance of the runner is made of vertical sidewall and sloped sidewall；Turbine shaft assembly includes being fixedly linked
Impeller and turbine wheel shaft, which includes the blade of the impeller disk and multiple same structures, the center of the impeller disk side with it is described
Turbine wheel shaft is fixedly linked, and blade is placed in the other side of the impeller disk, and each blade includes vertical section and inverted sections, and vertical section is perpendicular to leaf
The end face of wheel disc is arranged and the bottom end of vertical section is connected with the impeller disk, and the outer side edges of vertical section are along the outside skew back in the edge of the impeller disk
Setting is stretched out in top, and included angle A between the vertical section outer side edges and impeller disk axial direction is 35 °, and turbine shaft assembly is placed in when assembly
In volute, the end face of the impeller disk flushes setting with volute vertical sidewall, so that the outer side edges of blade vertical section are inclined at stream
The entrance in road.
Further, the impeller disk is arranged in truncated cone-shaped, and the turbine wheel shaft and the center of the small head end side of the impeller disk are fixed
It is connected, the blade is placed in the stub end side of the impeller disk, the end face of the impeller disk stub end and volute vertical sidewall
Flush setting.
Further, taper platform is arranged in the junction of the turbine wheel shaft and the impeller disk, so that being between turbine wheel shaft and the impeller disk
Arc-shaped transition is conducive to fluid and is oriented to.
The technical effect of invention: combined flow turbine booster of the invention, compared with the existing technology, blade vertical section
Outer side edges are inclined at the entrance of runner, and the outer side edges of blade vertical section are no longer normal to the impeller disk and are axially arranged, so that
Gas changes in the impeller disk and the flow direction of blade vertical section junction, compared to the arrangement of radial-flow turbine component, oblique
There are guide functions with axial, improves turbine efficiency；The impeller disk is arranged in truncated cone-shaped, while in the small head end setting cone of the impeller disk
Shape platform, so that gas equally has guiding role when flowing through taper platform, the impeller disk.
Detailed description of the invention
Invention is further described in detail with reference to the accompanying drawings of the specification:
Fig. 1 is the schematic perspective view of combined flow turbine shaft assembly of the invention；
Fig. 2 is the front view of combined flow turbine shaft assembly of the invention；
Fig. 3 is the side view of combined flow turbine shaft assembly of the invention；
Fig. 4 is the cross-sectional view after combined flow turbine booster assembly of the invention；
Fig. 5 is the partial enlarged view in Fig. 4 at A.
In figure: turbine wheel shaft 1, taper platform 11, the impeller disk 2, blade 3, inverted sections 31, vertical section 32, outer side edges 33, volute 4,
Runner 41, sloped sidewall 42, vertical sidewall 43.
Specific embodiment
The combined flow turbine booster of the present embodiment as shown in Figure 4 and Figure 5 of embodiment 1, including volute 4 and turbine wheel shaft group
Part, volute 4 is interior to be arranged runner 41, and the entrance of the runner 41 is made of vertical sidewall 43 and sloped sidewall 42；Turbine shaft assembly
Including the impeller and turbine wheel shaft 1 being fixedly linked, as shown in Figure 1 to Figure 3, which includes the impeller disk 2 and 11 piece same structure
Blade 3, the impeller disk 2 are arranged in truncated cone-shaped, and turbine wheel shaft 1 and the center of the small head end side of the impeller disk 2 be fixedly linked, turbine wheel shaft 1 and
Taper platform 11 is arranged in the junction of the impeller disk 2, so that arc-shaped transition between turbine wheel shaft 1 and the impeller disk 2, each blade 3 is placed in leaf
The stub end side of wheel disc 2；The vertical section 32 and inverted sections 31 of each blade 3 including integrally casting shaping, vertical section 32 perpendicular to
The end face of the impeller disk 2 is arranged and the bottom end of vertical section 32 is connected with the impeller disk 2, and inverted sections 31 are along the top of vertical section 32 to same
Direction fold；Along the edge of the impeller disk 2, setting, the vertical section outer side edges are stretched out in oblique upper to the outer side edges 33 of vertical section 32 outward
Included angle A between 33 and 2 axial direction of the impeller disk is 35 °, and turbine shaft assembly is placed in volute 4 when assembly, the end of 2 stub end of the impeller disk
Face flushes setting with volute vertical sidewall 43, so that the outer side edges 33 of blade vertical section 32 are inclined at the import of runner 41
Place.
Obviously, the above embodiment is merely an example for clearly illustrating the present invention, and is not to of the invention
The restriction of embodiment.For those of ordinary skill in the art, it can also be made on the basis of the above description
Its various forms of variation or variation.There is no necessity and possibility to exhaust all the enbodiments.And these belong to this hair
Bright spiritual changes and variations that derived from are still in the protection scope of this invention.
Claims (3)
1. a kind of combined flow turbine booster characterized by comprising including volute and turbine shaft assembly, setting is flowed in volute
The entrance in road, the runner is made of vertical sidewall and sloped sidewall；Turbine shaft assembly includes the impeller and turbine being fixedly linked
Axis, the impeller include the blade of the impeller disk and multiple same structures, the center of the impeller disk side and the turbine wheel shaft stationary phase
Even, blade is placed in the other side of the impeller disk, and each blade includes vertical section and inverted sections, and vertical section is set perpendicular to the end face of the impeller disk
It sets and the bottom end of vertical section is connected with the impeller disk, oblique upper stretching outward is set the outer side edges of vertical section along the edge of the impeller disk
It sets, the included angle A between the vertical section outer side edges and impeller disk axial direction is 35 °, and turbine shaft assembly is placed in volute when assembly, impeller
The end face of disk flushes setting with volute vertical sidewall, so that the outer side edges of blade vertical section are inclined at the entrance of runner.
2. combined flow turbine booster according to claim 1, which is characterized in that the impeller disk is arranged in truncated cone-shaped,
The turbine wheel shaft and the center of the small head end side of the impeller disk are fixedly linked, and the blade is placed in the stub end one of the impeller disk
The end face of side, the impeller disk stub end flushes setting with volute vertical sidewall.
3. combined flow turbine booster according to claim 1 or 2, which is characterized in that the turbine wheel shaft and the impeller disk
Taper platform is arranged in junction, so that arc-shaped transition between turbine wheel shaft and the impeller disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711252147.XA CN109869223A (en) | 2017-12-01 | 2017-12-01 | A kind of combined flow turbine booster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711252147.XA CN109869223A (en) | 2017-12-01 | 2017-12-01 | A kind of combined flow turbine booster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109869223A true CN109869223A (en) | 2019-06-11 |
Family
ID=66914754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711252147.XA Withdrawn CN109869223A (en) | 2017-12-01 | 2017-12-01 | A kind of combined flow turbine booster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109869223A (en) |
-
2017
- 2017-12-01 CN CN201711252147.XA patent/CN109869223A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190611 |
|
| WW01 | Invention patent application withdrawn after publication |