CN201794658U - Turbine device with variable flow channel - Google Patents
Turbine device with variable flow channel Download PDFInfo
- Publication number
- CN201794658U CN201794658U CN2010205186254U CN201020518625U CN201794658U CN 201794658 U CN201794658 U CN 201794658U CN 2010205186254 U CN2010205186254 U CN 2010205186254U CN 201020518625 U CN201020518625 U CN 201020518625U CN 201794658 U CN201794658 U CN 201794658U
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- China
- Prior art keywords
- turbine
- runner
- turbine volute
- volute
- space bar
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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
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- Supercharger (AREA)
Abstract
The utility model discloses a turbine device with a variable flow channel. The device comprises a turbine volute, a turbine volute cover plate and a turbine wheel impeller, wherein a turbine volute flow channel is reserved in the turbine volute; a turbine volute air inlet and a turbine volute air outlet are reserved on the turbine volute flow channel; a partition plate is arranged in the turbine volute flow channel; and the partition plate can move along the axial direction of the turbine volute. In the turbine device with the variable flow channel, an axial movement partition wall is arranged in the turbine volute flow channel, so that the turbine volute flow channel is divided into different flow channel sections; therefore, the energy of waste gas exhausted by an engine is utilized to the maximum and the efficiency of a turbine is effectively improved. The turbine device with the variable flow channel which is provided with the axial movement partition wall in the utility model has a simple structure, reliability and low cost, and is easy to implement.
Description
Technical field
The utility model relates to a kind of pressurizer of internal combustion engine, relates to the variable runner turbine plant of a kind of vehicle turbocharger specifically, belongs to field of internal combustion engine.
Background technique
In recent years, along with the lifting of engine performance and the increasingly stringent of Abgasgesetz, people have higher requirement to the turbocharger performance that can take into account the high low speed of vehicular engine.But because traditional single channel turbosupercharger is applicable to isobaric pressurization system, turbosupercharger presents incoordinate efficient under high and low rotating speed, and the unfailing performance of turbosupercharger is poor.Therefore, in order to satisfy the performance requirement in the full operating mode scope of motor, the variable cross section turbocharging technology is subjected to increasing attention, becomes the emphasis of domestic and international research and development gradually.
What generally adopt at present is the requirement of satisfying the raising of variable-area turbocharger performance in the structure of turbine interior increase swivel nozzle blade.Rotary vane type and axial adjustable variable-area turbocharger are the circulation passages that changes turbo machine by aperture between the change nozzle vane or width, and control ratio is more convenient.But because the waste gas that motor is discharged has the exhaust high temperature about 700 degrees centigrade, and the trend that further lifting is arranged, exhaust high temperature is to nozzle vane, driving mechanism, nozzle ring supporting disk and outside control system all have strict requirement, impurity in the high-temp waste gas that motor is discharged has caused reliability hidden danger to the moving element of complexity, in addition, this series products is because expensive price factor, only be used to high-end engine booster field, the type variable-area turbocharger has limited marketing from cost and reliability two aspect strictnesses, and reliability index is poor.
Therefore, narrow limitation at present variable-area turbocharger, wish the variable runner turbine plant of a kind of efficient, reliable, simple and practical automobile-used novel turbocharger of design, can variable runner turbine plant can effectively solve the defective of present variable-area turbocharger by the turbosupercharger of design, reduce complicated variable cross section regulation structure simultaneously and effectively improve the efficient of turbo machine.
The model utility content
Problem to be solved in the utility model is the narrow limitation at present variable-area turbocharger, a kind of variable runner turbine plant is provided, enter turbine volute runner waste gas circulation energy by adopting the mode that space bar is set effectively to regulate in turbine volute, the deficiency of conventional fixed cross section of fluid channel turbosupercharger can not only be effectively solved, the deficiency that turbosupercharger that the exhaust gas bypass device is set in use exists can be solved again; Effectively avoid restriction loss, improve turbine efficiency.
In order to address the above problem, the technical solution adopted in the utility model is:
A kind of variable runner turbine plant, comprise turbine volute, turbine volute cover plate, turbine wheel, be provided with the turbine volute runner in the turbine volute, the turbine volute runner is provided with turbine volute suction port and turbine volute air outlet, it is characterized in that: be provided with space bar in the described turbine volute runner, described space bar can moving axially along turbine volute.
Below be the utility model for further improvement of these options:
During engine low rotation speed, described space bar moves to the lower wall position near the turbine volute runner, described space bar is partitioned into inner flow passage, the outer flow passage of sealing with the turbine volute runner, and the engine exhaust that enters from the turbine volute suction port only flows along the direction of inner flow passage.
Further improve: described space bar is a loop configuration, is positioned at whole turbine volute runner.
Further improve: the position that described turbine volute is positioned at turbine volute runner top is provided with the ring shaped slot that holds space bar.
Further improve:
The upper end of described space bar is provided with slide block, and this slide block is positioned at ring shaped slot and is dynamically connected with the ring shaped slot sealed sliding.Described ring shaped slot has enough spaces to move axially for space bar.
During the high rotating speed of motor, control mechanism control interval plate moves up, space bar moves in the ring shaped slot, and interior mobile opening simultaneously with outer flow passage forms the turbine volute runner, and be mobile along the airintake direction of turbine volute runner from the engine exhaust that the turbine volute suction port enters.
Further improve:
Described space bar and control mechanism are in transmission connection.
Further improve:
The upper end portion of described space bar is provided with threaded stem, and the turbine volute cover plate is passed on the top of described threaded stem and control mechanism is in transmission connection.
Further improve:
Described control mechanism comprises final controlling element, and described final controlling element is provided with the final controlling element push rod, and described final controlling element push rod is connected with threaded stem by driver blade.
The another kind of improvement:
Described control mechanism comprises oil hydraulic cylinder, and the hydraulic rod of described oil hydraulic cylinder is connected with threaded stem.
Described oil hydraulic cylinder height is limited by the height of turbine volute runner, and oil hydraulic cylinder is controlled by the oil hydraulic pump that is connected on the motor, thereby according to the effective control interval plate of engine operating condition moving axially in ring shaped slot.
The utility model makes full use of conventional turbocharger arrangement, guarantee under the constant situation of engine exhaust connecting pipeline, satisfy the boost demand of motor under high and low rotating speed, boost pressure when improving time of engine low speed also guarantees that motor has good acceleration performance, simultaneously, can guarantee that again near motor boost pressure declared working condition point is unlikely excessive, make engine load control in allowed limits, thereby reach the purpose of effective adjusting engine boost pressure.And the circulating resistance of waste gas does not have big change when the flow area of turbine volute runner changes, and by simple structural design, has realized the purpose of effective change turbine exhaust gas flow area.
The utility model is by designing the conventional turbine charger turbine, adopted in the turbine volute runner space bar has been set, thereby the turbine volute runner has been divided into different cross section of fluid channel, and the exhaust energy that has farthest utilized motor to discharge has effectively improved turbine efficiency.Variable runner turbine plant in the utility model is simple in structure, and reliable, cost is low, realizes easily.
The utility model is described in further detail below in conjunction with drawings and Examples:
Description of drawings
Accompanying drawing 1 is the structural representation of variable runner turbine plant among the utility model embodiment 1;
Accompanying drawing 2 is structural representations of variable runner turbine plant closed condition among the utility model embodiment 1;
Accompanying drawing 3 is structural representations of variable runner turbine plant opening state among the utility model embodiment 1;
Accompanying drawing 4 is structural representations of variable runner turbine plant closed condition among the utility model embodiment 2;
Accompanying drawing 5 is structural representations of variable runner turbine plant opening state among the utility model embodiment 2.
Among the figure: 1-turbine volute runner; The 2-turbine volute; The 3-space bar; The 4-outer flow passage; The 5-inner flow passage; The 6-ring shaped slot; 7-turbine volute cover plate; The 8-turbine wheel; The 9-control mechanism; 10-turbine volute suction port; The 12-axle sleeve; The 13-threaded stem; The 14-thermal shield; 15-turbine volute air outlet; The 16-driver blade; The 17-nut; 18-final controlling element push rod; The 19-support; The 20-final controlling element; The 21-oil hydraulic cylinder.
Embodiment
Embodiment 1, as shown in Figure 1, a kind of variable runner turbine plant, comprise turbine volute 2, turbine volute cover plate 7, turbine wheel 8, be provided with turbine volute runner 1 in the turbine volute 2, turbine volute runner 1 is provided with turbine volute suction port 10 and turbine volute air outlet 15, provide power to turbine wheel 8 thereby directly enter turbine volute runner 1, turbine volute runner 1 is made as gradual shrinkage in order to increase turbine end air inlet energy along turbine volute suction port 10 from the high-temp waste gas that motor is discharged.
Be provided with the space bar 3 of loop configuration in the described turbine volute runner 1, space bar 3 is positioned at whole turbine volute runner 1, and described space bar 3 can be along the moving axially of turbine volute 2, and described space bar 3 is in transmission connection with control mechanism 9.
As shown in Figure 2, described turbine volute 2 is provided with thermal shield 14 near the intermediate end, and the position that described turbine volute 2 is positioned at turbine volute runner 1 top is provided with the ring shaped slot 6 that holds space bar 3.The upper end of described space bar 3 is provided with slide block, and this slide block is positioned at ring shaped slot 6 and is dynamically connected with ring shaped slot 6 sealed sliding.
The underpart that described space bar 3 moves to space bar 3 is during near the lower wall position of turbine volute runner 1, and described space bar 3 is partitioned into turbine volute runner 1 inner flow passage 5 and the outer flow passage 4 of sealing.
In order to reduce the windage loss that enters outer flow passage 4, turbine volute outer flow passage 4 air inlet face are designed to smooth cambered surface.
Three threaded stems 13 evenly are set on the described space bar 3, described threaded stem 13 1 ends and space bar 3 are fastenedly connected, position corresponding with threaded stem 13 on the turbine volute cover plate 7 is provided with axis hole, interference fit has axle sleeve 12 in axis hole, and the top of described threaded stem 13 is passed axle sleeve 12 and is in transmission connection with control mechanism 9.
Described control mechanism 9 comprises by support 19 and is fixedly supported on final controlling element 20 on the turbine volute 2, and described final controlling element 20 is provided with final controlling element push rod 18, and described final controlling element push rod 18 is connected with threaded stem 13 by driver blade 16.
Described driver blade 16 is fixed by welding to threaded stem 13 1 ends, moves axially thereby take space bar 3 to.
Described final controlling element push rod 18 is fastenedly connected on driver blade 16 by two nuts 17, final controlling element 20 work promotion final controlling element push rods 18 drive driver blade 16 then and move axially, driver blade 16 moves axially and can drive the fastening screw rasp bar 13 that connects space bar 3 and moves axially, and moves axially in ring shaped slot 6 thereby drive space bar 3.
In the time of in motor is in low engine speed range, for improving the engine charge energy, space bar 3 is in closed state under the driving of final controlling element 20, at this moment, the engine exhaust that enters from turbine volute suction port 10 only flows along interior mobile 5 direction, thereby promotes turbine wheel 8 rotations.
As shown in Figure 3, in the time of in motor is in high engine speed range, turbo machine is in order effectively to utilize the exhaust energy of motor, space bar 3 axially moves in the ring shaped slot 6 under the driving of final controlling element 20, at this moment, in flow and 5 to open simultaneously with outer flow passage 4 and to form turbine volute runner 1, the engine exhaust that enters from turbine volute suction port 10 can flow along the airintake direction of turbine volute runner 1, thereby promote turbine wheel 8 rotations, at this moment, space bar 3 is in opening state, and mobile 5 flowed into outer flow passage 4 simultaneously in engine exhaust can flow into, thereby play the effect that changes turbine volute 2 variable cross sections, described ring shaped slot 6 height restriction space bar 3 excessive unlatchings.
Embodiment 2, and as shown in Figure 4, the described control mechanism 9 among the embodiment 1 can also be oil hydraulic cylinder 21, and the hydraulic rod of described oil hydraulic cylinder 21 is connected with threaded stem 13.
Oil hydraulic cylinder 21 height are limited by the height of turbine volute runner 1, and oil hydraulic cylinder 21 is controlled by the oil hydraulic pump that is connected on the motor, thereby according to the effective control interval plate 3 of engine operating condition moving axially in ring shaped slot 6;
In the time of in motor is in low engine speed range, space bar 3 is in closed state under the driving of oil hydraulic cylinder 21, the engine exhaust that enters from turbine volute suction port 10 only flows along interior mobile 5 direction, thereby promote turbine wheel 8 rotations, at this moment, outer flow passage 4 is in closed state and does not have waste gas and flow through from here.
As shown in Figure 5, in the time of in motor is in high engine speed range, when space bar 3 moves in the ring shaped slot 6 under the driving of oil hydraulic cylinder 21, at this moment, inner flow passage 5 is opened simultaneously with outer flow passage 4 and is formed turbine volute runner 1, the engine exhaust that enters from turbine volute suction port 10 can flow along the airintake direction of turbine volute runner 1, thereby promote turbine wheel 8 rotations, at this moment, outer flow passage 4 is in opening state, engine exhaust can flow into outer flow passage 4 simultaneously with flowing into inner flow passage 5, thereby plays the effect that changes turbine volute 1 variable cross section, the height restriction of described ring shaped slot 6 and oil hydraulic cylinder 21 space bar 3 excessive unlatchings.
These two kinds of Intaker controllers can both effectively drive space bar 3 moving axially in ring shaped slot 6, have effectively regulated the size in the air inlet cross section of turbine volute runner 1, have effectively improved turbine efficiency.
The utility model patent has effectively satisfied the demand of following turbosupercharger to the variable-section turbomachine performance improvement, finished turbo machine variable-section turbomachine device, control the exhaust gas flow that enters turbo machine by the variable flow passage system that effectively utilizes inner flow passage and outer flow passage to form, effectively improved turbine efficiency.This model utility turbine structure is simple and practical, and pneumatic control mechanism and hydraulic control are simple, and controlling method is effectively reliable.
We have been described in detail model utility according to the national patent method now, can discern the improvement or the replacement of specific embodiment disclosed herein for those skilled in the art.These modifications are in spirit and scope of the present utility model.
Claims (9)
1. variable runner turbine plant, comprise turbine volute (2), turbine volute cover plate (7), turbine wheel (8), be provided with turbine volute runner (1) in the turbine volute (2), turbine volute runner (1) is provided with turbine volute suction port (10) and turbine volute air outlet (15), it is characterized in that: be provided with space bar (3) in the described turbine volute runner (1), described space bar (3) can moving axially along turbine volute (2).
2. a kind of variable runner turbine plant according to claim 1, it is characterized in that: when described space bar (3) moved near the lower wall position of turbine volute runner (1), described space bar (3) was partitioned into turbine volute runner (1) inner flow passage (5), the outer flow passage (4) of sealing.
3. a kind of variable runner turbine plant according to claim 2 is characterized in that: described space bar (3) is a loop configuration, is positioned at whole turbine volute runner (1).
4. a kind of variable runner turbine plant according to claim 1 is characterized in that: the position that described turbine volute (2) is positioned at turbine volute runner (1) top is provided with the ring shaped slot (6) that holds space bar (3).
5. a kind of variable runner turbine plant according to claim 4, it is characterized in that: the upper end of described space bar (3) is provided with slide block, and this slide block is positioned at ring shaped slot (6) and is dynamically connected with ring shaped slot (6) sealed sliding.
6. according to one of them described a kind of variable runner turbine plant of claim 1～5, it is characterized in that: described space bar (3) is in transmission connection with control mechanism (9).
7. a kind of variable runner turbine plant according to claim 6, it is characterized in that: the upper end portion of described space bar (3) is provided with threaded stem (13), and the top of described threaded stem (13) is passed turbine volute cover plate (7) and is in transmission connection with control mechanism (9).
8. a kind of variable runner turbine plant according to claim 7, it is characterized in that: described control mechanism (9) comprises final controlling element (20), described final controlling element (20) is provided with final controlling element push rod (18), and described final controlling element push rod (18) is connected with threaded stem (13) by driver blade (16).
9. a kind of variable runner turbine plant according to claim 7, it is characterized in that: described control mechanism (9) comprises oil hydraulic cylinder (21), the hydraulic rod of described oil hydraulic cylinder (21) is connected with threaded stem (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205186254U CN201794658U (en) | 2010-09-07 | 2010-09-07 | Turbine device with variable flow channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205186254U CN201794658U (en) | 2010-09-07 | 2010-09-07 | Turbine device with variable flow channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201794658U true CN201794658U (en) | 2011-04-13 |
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ID=43849571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205186254U Expired - Lifetime CN201794658U (en) | 2010-09-07 | 2010-09-07 | Turbine device with variable flow channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201794658U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949325A (en) * | 2010-09-07 | 2011-01-19 | 康跃科技股份有限公司 | Turbine device with changeable runner |
| CN107965394A (en) * | 2011-12-24 | 2018-04-27 | 大众汽车有限公司 | For running the method and driving equipment of driving equipment |
| CN108180070A (en) * | 2017-11-09 | 2018-06-19 | 江苏索特动力工程有限公司 | Variable-area turbocharger |
-
2010
- 2010-09-07 CN CN2010205186254U patent/CN201794658U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949325A (en) * | 2010-09-07 | 2011-01-19 | 康跃科技股份有限公司 | Turbine device with changeable runner |
| CN107965394A (en) * | 2011-12-24 | 2018-04-27 | 大众汽车有限公司 | For running the method and driving equipment of driving equipment |
| CN107965394B (en) * | 2011-12-24 | 2021-05-14 | 大众汽车有限公司 | Method for operating a drive device and drive device |
| CN108180070A (en) * | 2017-11-09 | 2018-06-19 | 江苏索特动力工程有限公司 | Variable-area turbocharger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110413 |