CN107524482A - A kind of double scroll turbine shrouds of combined type - Google Patents
A kind of double scroll turbine shrouds of combined type Download PDFInfo
- Publication number
- CN107524482A CN107524482A CN201710574403.0A CN201710574403A CN107524482A CN 107524482 A CN107524482 A CN 107524482A CN 201710574403 A CN201710574403 A CN 201710574403A CN 107524482 A CN107524482 A CN 107524482A
- Authority
- CN
- China
- Prior art keywords
- turbine
- scroll
- exhaust casing
- main body
- guide vane
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
- F01D25/246—Fastening of diaphragms or stator-rings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
- F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using blades
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
Abstract
The present invention relates to a kind of double scroll turbine shrouds of combined type, the turbine shroud includes turbine case main body and exhaust casing, one end of the exhaust casing offers exhaust port, exhaust gas inlet is offered in turbine case main body, internal ecto-entad is sequentially provided with double scroll mechanisms, turbine room, double scroll mechanisms include the first scroll runner being disposed in parallel in turbine case main body, second scroll runner, exhaust gas inlet is respectively through the first scroll runner, second scroll runner is connected with turbine room, there is leaf nozzle ring between first scroll runner and turbine room, non-blade nozzle is provided between second scroll runner and turbine room.Compared with prior art, the present invention is using double scroll structures, turbine efficiency and through-current capability is set all to be guaranteed, the characteristics of having taken into account height operating mode, turbo lag problem can be effectively improved, meets air inlet demand of the automobile engine under different operating modes, and it is simple in construction, it is easy to dismount and safeguards, flexibility is good.
Description
Technical field
The invention belongs to engine turbine supercharging technology field, is related to a kind of double scroll turbine shrouds of combined type.
Background technology
Turbine absorbs the mechanism of useful work as turbocharger from engine exhaust, to turbocharger or even starts
The performance of machine has material impact.Because turbine is in the HTHP extreme environment of engine exhaust, for turbine
Design, in addition to being strengthened from material, also there is the structure of high reliability.At present, the impeller of turbine mostly uses
Radial blade structure, and increase thickening vanes measure, to reduce the deformation that thermal stress, high temperature and high rotating speed strap come.However,
Although which improves the reliability of turbine to a certain extent, mechanical efficiency is sacrificed again simultaneously.
In order to improve the mechanical efficiency of turbine, the structure of turbine shroud can be typically improved, make turbine wheel import
The air inlet angle of attack rationalize, reduce impact loss of the air inlet to turbine wheel and blade inhale, the flow losses of pressure face, so as to carry
The mechanical efficiency of high turbine.But often structure is extremely complex for existing turbine shroud, difficulty of processing is larger, and maintenance cost
Height, using by larger limitation.
The content of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide one kind can improve turbine
Booster whole efficiency and the double scroll turbine shrouds of combined type simple in construction.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of double scroll turbine shrouds of combined type, the turbine shroud include turbine case main body and are connected with turbine case main body
Exhaust casing, one end of the exhaust casing offers exhaust port, exhaust gas inlet is offered in described turbine case main body, interior
Portion's ecto-entad is sequentially provided with double scroll mechanism, turbine rooms, and described double scroll mechanisms include being disposed in parallel in turbine case main body
Interior the first scroll runner, the second scroll runner, the first described scroll runner be located at the second scroll runner and exhaust casing it
Between, described exhaust gas inlet is connected through the first scroll runner, the second scroll runner with turbine room respectively, the first described scroll
There is leaf nozzle ring between runner and turbine room, non-blade nozzle is provided between the second described scroll runner and turbine room.Should
Turbine shroud is applied in turbocharger.Turbine case main body is that combined type is connected with exhaust casing.Turbine room is provided with turbine.
As preferable technical scheme, the first described scroll runner and the second scroll runner are all-round scroll runner.
It is to be detachably connected between described turbine case main body and exhaust casing.Detachable connection is easy to turbine case master
The dismounting and maintenance of body and exhaust casing.
Described turbine case main body is provided with turbine case main body positive stop lug boss, the outer wall of described exhaust casing be provided with
The positive stop lug boss of exhaust casing first that turbine case main body positive stop lug boss is adapted, described exhaust casing pass through exhaust casing first
Positive stop lug boss is fastened in turbine case main body.Coordinated using staged, be not only convenient for positioning during installation, while work can be ensured
Stability and reliability when making.
Described turbine case main body is provided with the connection pressing plate being adapted with the positive stop lug boss of exhaust casing first and connection
Screw, described exhaust casing are detachably connected by connecting pressing plate and attachment screw with turbine case main body.Pressing plate is connected from outer
The positive stop lug boss of exhaust casing first is pressed on turbine case main body positive stop lug boss by side, and is fixed by attachment screw, will
Exhaust casing is fixedly mounted in turbine case main body.
Described has leaf nozzle ring to include the first guide vane being disposed in parallel between the first scroll runner and turbine room
Retainer ring, the second guide vane retainer ring and multiple circumferentially uniformly it is laid in the first guide vane retainer ring and the second water conservancy diversion
Guide vane between vane ring.Waste gas in first scroll runner is under the guide functions of multiple guide vanes, respectively
Enter along corresponding guide vane in turbine, and promote turbine rotation, the uniform force of turbine has been effectively ensured, has improved whirlpool
The response speed and operating efficiency of wheel, alleviate turbo lag phenomenon.
Central dividing plate, the outer end and whirlpool of the central dividing plate are provided between described the first scroll runner and the second scroll runner
Hub main body is fixedly connected, and the inner is fixedly connected with the second guide vane retainer ring.Central dividing plate can either play separation first
The effect of scroll runner, the second scroll runner, while leaf nozzle ring can be fixed with, guarantee has the reliable and stable of leaf nozzle ring.
The inner of described central dividing plate is provided with central dividing plate positive stop lug boss, the second described guide vane retainer ring it is outer
End is provided with the second guide vane retainer ring positive stop lug boss being adapted with central dividing plate positive stop lug boss, the second described guide vane
Retainer ring is fastened on central dividing plate by the second guide vane retainer ring positive stop lug boss.Coordinated using staged, be not only convenient for
Positioning during installation, while stability and reliability when can ensure work.
As preferable technical scheme, the internal diameter of described turbine case main body positive stop lug boss is fixed more than the second guide vane
The external diameter of ring positive stop lug boss.
The end of described exhaust casing is provided with the limit convex of exhaust casing second being connected with the first guide vane retainer ring
The inwall of platform, the first described guide vane retainer ring and the positive stop lug boss of exhaust casing second is provided with transition annulus.Exit casing
The positive stop lug boss of body second will have leaf nozzle ring to be fixedly clamped in turbine case main body together with central dividing plate positive stop lug boss.First
Guide vane retainer ring, the positive stop lug boss of exhaust casing second and transition annulus are coaxial, and the first guide vane retainer ring and exhaust
The positive stop lug boss of housing second is set in outside transition annulus.
Described transition annulus includes the mistake being connected with the first guide vane retainer ring and the positive stop lug boss of exhaust casing second
Cross annulus outside wall surface, the transition annulus end face being connected with the end of exhaust casing and respectively with the first guide vane retainer ring side
The transition annulus cambered surface that face and exhaust casing inwall are adapted.Transition annulus by transition annulus outside wall surface, transition annulus end face and
Transition annulus cambered surface, which encloses, to be formed.Transition annulus be fastened on the first guide vane retainer ring, the positive stop lug boss of exhaust casing second and
Between the end of exhaust casing, transition annulus cambered surface can ensure that the waste gas in the first scroll runner has flowed through foliar spray mouth successively
During ring, turbine room and exhaust casing, can smooth outflow, reduce airflow-reversing when resistance.
Described transition annulus and the first guide vane retainer ring or exhaust casing are integral type structure.I.e. transition annulus had been both
It can be integrally machined and form with the first guide vane retainer ring, as the extension of the first guide vane retainer ring, with exit casing
Body is fastened on together using staged fit system；It can be integrally machined and form with exhaust casing again, the extension as exhaust casing
Part, be fastened on the first guide vane retainer ring using staged fit system together with.
The present invention is in practical application, waste gas is entered in turbine case main body by exhaust gas inlet, and respectively through the first scroll stream
Road, the second scroll runner enter in turbine room, promote turbine rotation, are discharged afterwards by exhaust port.Wherein, the first scroll runner
Through there is leaf nozzle ring to enter in turbine room, the waste gas in the second scroll runner enters in turbine room interior waste gas through non-blade nozzle.
Compared with prior art, the invention has the characteristics that：
1) using double scroll structures, leaf nozzle ring improves doing for turbine between the first scroll runner and turbine room
Effect rate, the exit of the second scroll runner remains non-blade nozzle structure, can ensure the through-current capability of turbine, thus makes whirlpool
Wheel efficiency and through-current capability are all guaranteed, and the characteristics of having taken into account height operating mode, can be effectively improved turbo lag problem, meet
Air inlet demand of the automobile engine under different operating modes；
2) fabricated structure is easy to dismount and safeguarded, simple in construction, and flexibility is good, avoids traditional high efficiency turbine shroud
Labyrinth, but also can be as needed, transition annulus and the first guide vane retainer ring or exhaust casing are processed as one
Body formula structure, the suitability of turbine shroud is improved, reduce the processing cost and difficulty of processing of turbocharger.
Brief description of the drawings
Fig. 1 is the cross-sectional view of turbine shroud in embodiment 1；
Fig. 2 is the structural representation for having in embodiment 1 leaf nozzle ring；
Fig. 3 is the cross-sectional view of turbine shroud in embodiment 2；
Description of symbols in figure：
1-turbine case main body, 101-mounting flange, 102-exhaust gas inlet, the 103-the first scroll runner, 104-the second
Scroll runner, 105-non-blade nozzle, 106-central dividing plate, 107-turbine case main body positive stop lug boss, 108-central dividing plate limit
Position boss, 2-have leaf nozzle ring, 201-guide vane, the 202-the first guide vane retainer ring, the 203-the second guide vane
Retainer ring, the 204-the second guide vane retainer ring positive stop lug boss, 3-exhaust casing, 301-exhaust port, 302-exit casing
The positive stop lug boss of body first, the positive stop lug boss of 303-exhaust casing second, 4-attachment screw, 5-connection pressing plate, 6-transition annulus,
601-transition annulus cambered surface, 602-transition annulus outside wall surface, 603-transition annulus end face, 7-turbine room.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to
Following embodiments.
Embodiment 1：
A kind of double scroll turbine shrouds of combined type as shown in Figure 1, the turbine shroud include turbine case main body 1 and and whirlpool
The connected exhaust casing 3 of hub main body 1, one end of the exhaust casing 3 offers exhaust port 301, opened up in turbine case main body 1
There is exhaust gas inlet 102, internal ecto-entad is sequentially provided with double scroll mechanism, turbine rooms 7, and double scroll mechanisms include being disposed in parallel in
The first scroll runner 103, the second scroll runner 104 in turbine case main body 1, the first scroll runner 103 are located at the second scroll stream
Between road 104 and exhaust casing 3, exhaust gas inlet 102 is respectively through the first scroll runner 103, the second scroll runner 104 and turbine room
7 are connected, and have leaf nozzle ring 2, the second scroll runner 104 and turbine room 7 between the first scroll runner 103 and turbine room 7
Between be provided with non-blade nozzle 105.Turbine case main body 1 is provided with mounting flange 101, and the mounting flange 101 is located at exhaust gas inlet 102
Place.
Wherein, it is to be detachably connected between turbine case main body 1 and exhaust casing 3.Turbine case main body 1 is provided with turbine case master
Body positive stop lug boss 107, the outer wall of exhaust casing 3 are provided with the exhaust casing the being adapted with turbine case main body positive stop lug boss 107
One positive stop lug boss 302, exhaust casing 3 are fastened in turbine case main body 1 by the first positive stop lug boss of exhaust casing 302.Turbine case
Main body 1 is provided with the connection pressing plate 5 and attachment screw 4 being adapted with the first positive stop lug boss of exhaust casing 302, exhaust casing 3
It is detachably connected by connecting pressing plate 5 and attachment screw 4 with turbine case main body 1.
As shown in Fig. 2 have leaf nozzle ring 2 include be disposed in parallel between the first scroll runner 103 and turbine room 7 first
Guide vane retainer ring 202, the second guide vane retainer ring 203 and multiple first guide vanes that are circumferentially uniformly laid in are consolidated
Determine the guide vane 201 between the guide vane retainer ring 203 of ring 202 and second.First scroll runner 103 and the second scroll runner
Central dividing plate 106 is provided between 104, the outer end of the central dividing plate 106 is fixedly connected with turbine case main body 1, and the inner is led with second
Stream vane ring 203 is fixedly connected.The inner of central dividing plate 106 is provided with central dividing plate positive stop lug boss 108, the second guide vane
The outer end of retainer ring 203 is provided with the second guide vane retainer ring positive stop lug boss being adapted with central dividing plate positive stop lug boss 108
204, the second guide vane retainer ring 203 is fastened on central dividing plate 106 by the second guide vane retainer ring positive stop lug boss 204
On.
The end of exhaust casing 3 is provided with the positive stop lug boss of exhaust casing second being connected with the first guide vane retainer ring 202
303, the inwall of the first guide vane retainer ring 202 and the second positive stop lug boss of exhaust casing 303 is provided with transition annulus 6.Transition
Annulus 6 includes the transition annulus outside wall surface being connected with the first guide vane retainer ring 202 and the second positive stop lug boss of exhaust casing 303
602nd, the transition annulus end face 603 that is connected with the end of exhaust casing 3 and respectively with the side of the first guide vane retainer ring 202
And the transition annulus cambered surface 601 that the inwall of exhaust casing 3 is adapted.
Transition annulus 6 and exhaust casing 3 are integral type structure.
The present invention is in practical application, waste gas is entered in turbine case main body 1 by exhaust gas inlet 102, and respectively through the first whirlpool
Pipe runner 103, the second scroll runner 104 enter in turbine room 7, promote turbine rotation, are discharged afterwards by exhaust port 301.Its
In, the waste gas in the first scroll runner 103 is through there is leaf nozzle ring 2 to enter in turbine room 7, the waste gas in the second scroll runner 104
Enter through non-blade nozzle 105 in turbine room 7.
Embodiment 2：
As shown in figure 3, in the present embodiment, the guide vane retainer ring 202 of transition annulus 6 and first is integral type structure, its
Remaining same embodiment 1.
The above-mentioned description to embodiment is understood that for ease of those skilled in the art and using invention.
Person skilled in the art obviously can easily make various modifications to these embodiments, and described herein general
Principle is applied in other embodiment without by performing creative labour.Therefore, the invention is not restricted to above-described embodiment, ability
Field technique personnel do not depart from improvement that scope made and modification all should be the present invention's according to the announcement of the present invention
Within protection domain.
Claims (10)
1. the double scroll turbine shrouds of a kind of combined type, it is characterised in that the turbine shroud includes turbine case main body (1) and and whirlpool
The connected exhaust casing (3) of hub main body (1), one end of the exhaust casing (3) offers exhaust port (301), described whirlpool
Exhaust gas inlet (102) is offered in hub main body (1), internal ecto-entad is sequentially provided with double scroll mechanism, turbine rooms (7), institute
The double scroll mechanisms stated include the first scroll runner (103), the second scroll runner being disposed in parallel in turbine case main body (1)
(104), for the first described scroll runner (103) between the second scroll runner (104) and exhaust casing (3), described is useless
Gas import (102) is connected through the first scroll runner (103), the second scroll runner (104) with turbine room (7) respectively, described
There are leaf nozzle ring (2), the second described scroll runner (104) and whirlpool between first scroll runner (103) and turbine room (7)
Non-blade nozzle (105) is provided between engineer room (7).
A kind of 2. double scroll turbine shrouds of combined type according to claim 1, it is characterised in that described turbine case main body
(1) it is to be detachably connected between exhaust casing (3).
A kind of 3. double scroll turbine shrouds of combined type according to claim 2, it is characterised in that described turbine case main body
(1) turbine case main body positive stop lug boss (107) is provided with, the outer wall of described exhaust casing (3) is provided with to be limited with turbine case main body
Position boss (107) positive stop lug boss of exhaust casing first (302) for being adapted, described exhaust casing (3) pass through exhaust casing the
One positive stop lug boss (302) is fastened in turbine case main body (1).
A kind of 4. double scroll turbine shrouds of combined type according to claim 3, it is characterised in that described turbine case main body
(1) the connection pressing plate (5) and attachment screw (4) being adapted with the positive stop lug boss of exhaust casing first (302) are provided with, it is described
Exhaust casing (3) is detachably connected by connecting pressing plate (5) and attachment screw (4) with turbine case main body (1).
5. the double scroll turbine shrouds of a kind of combined type according to claim 1, it is characterised in that described has leaf nozzle ring
(2) include being disposed in parallel in the first guide vane retainer ring (202) between the first scroll runner (103) and turbine room (7), the
Two guide vane retainer rings (203) and multiple first guide vane retainer rings (202) that are circumferentially uniformly laid in are led with second
Flow the guide vane (201) between vane ring (203).
A kind of 6. double scroll turbine shrouds of combined type according to claim 5, it is characterised in that the first described scroll stream
Central dividing plate (106), the outer end of the central dividing plate (106) and turbine case are provided between road (103) and the second scroll runner (104)
Main body (1) is fixedly connected, and the inner is fixedly connected with the second guide vane retainer ring (203).
A kind of 7. double scroll turbine shrouds of combined type according to claim 6, it is characterised in that described central dividing plate
(106) the inner is provided with central dividing plate positive stop lug boss (108), and the outer end of the second described guide vane retainer ring (203) is provided with
The second guide vane retainer ring positive stop lug boss (204) being adapted with central dividing plate positive stop lug boss (108), the second described water conservancy diversion
Vane ring (203) is fastened on central dividing plate (106) by the second guide vane retainer ring positive stop lug boss (204).
A kind of 8. double scroll turbine shrouds of combined type according to claim 5, it is characterised in that described exhaust casing
(3) end is provided with the positive stop lug boss of exhaust casing second (303) being connected with the first guide vane retainer ring (202), described
The inwall of first guide vane retainer ring (202) and the positive stop lug boss of exhaust casing second (303) is provided with transition annulus (6).
A kind of 9. double scroll turbine shrouds of combined type according to claim 8, it is characterised in that described transition annulus
(6) the transition annulus outer wall being connected with the first guide vane retainer ring (202) and the positive stop lug boss of exhaust casing second (303) is included
Face (602), the transition annulus end face (603) being connected with the end of exhaust casing (3) and fixed respectively with the first guide vane
The transition annulus cambered surface (601) that ring (202) side and exhaust casing (3) inwall are adapted.
A kind of 10. double scroll turbine shrouds of combined type according to claim 8, it is characterised in that described transition annulus
(6) it is integral type structure with the first guide vane retainer ring (202) or exhaust casing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710574403.0A CN107524482A (en) | 2017-07-14 | 2017-07-14 | A kind of double scroll turbine shrouds of combined type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710574403.0A CN107524482A (en) | 2017-07-14 | 2017-07-14 | A kind of double scroll turbine shrouds of combined type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107524482A true CN107524482A (en) | 2017-12-29 |
Family
ID=60748360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710574403.0A Pending CN107524482A (en) | 2017-07-14 | 2017-07-14 | A kind of double scroll turbine shrouds of combined type |
Country Status (1)
| Country | Link |
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| CN (1) | CN107524482A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112746876A (en) * | 2020-12-30 | 2021-05-04 | 天津北方天力增压技术有限公司 | Improve exhaust gas turbocharger turbine case of engine exhaust pulse pressure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10217470A1 (en) * | 2002-04-19 | 2003-11-06 | Daimler Chrysler Ag | Exhaust turbine for variable turbocharger for engine brake operation of IC engines, with blade angle of turbine wheel blades varied so that turbine efficiency is smaller in nominal brake pint than the optimum |
| DE10318737A1 (en) * | 2003-04-25 | 2004-11-25 | Daimlerchrysler Ag | Exhaust gas turbocharger has two part turbine housing with first and second channels, whereby first channel contains control grid with individually adjustable guide vanes, second has no vanes |
| DE102007036937A1 (en) * | 2007-08-04 | 2009-02-05 | Daimler Ag | Exhaust gas turbocharger for a reciprocating internal combustion engine |
| CN104454034A (en) * | 2014-12-12 | 2015-03-25 | 常州环能涡轮动力股份有限公司 | Fast-inserting type double-sealed variable nozzle turbocharger |
-
2017
- 2017-07-14 CN CN201710574403.0A patent/CN107524482A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10217470A1 (en) * | 2002-04-19 | 2003-11-06 | Daimler Chrysler Ag | Exhaust turbine for variable turbocharger for engine brake operation of IC engines, with blade angle of turbine wheel blades varied so that turbine efficiency is smaller in nominal brake pint than the optimum |
| DE10318737A1 (en) * | 2003-04-25 | 2004-11-25 | Daimlerchrysler Ag | Exhaust gas turbocharger has two part turbine housing with first and second channels, whereby first channel contains control grid with individually adjustable guide vanes, second has no vanes |
| DE102007036937A1 (en) * | 2007-08-04 | 2009-02-05 | Daimler Ag | Exhaust gas turbocharger for a reciprocating internal combustion engine |
| CN104454034A (en) * | 2014-12-12 | 2015-03-25 | 常州环能涡轮动力股份有限公司 | Fast-inserting type double-sealed variable nozzle turbocharger |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112746876A (en) * | 2020-12-30 | 2021-05-04 | 天津北方天力增压技术有限公司 | Improve exhaust gas turbocharger turbine case of engine exhaust pulse pressure |
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Application publication date: 20171229 |