CN102080577A - Section-variable turbine - Google Patents

Section-variable turbine Download PDF

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Publication number
CN102080577A
CN102080577A CN2010106042048A CN201010604204A CN102080577A CN 102080577 A CN102080577 A CN 102080577A CN 2010106042048 A CN2010106042048 A CN 2010106042048A CN 201010604204 A CN201010604204 A CN 201010604204A CN 102080577 A CN102080577 A CN 102080577A
Authority
CN
China
Prior art keywords
movable
baffle plate
ligulate
variable
ligulate baffle
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
Application number
CN2010106042048A
Other languages
Chinese (zh)
Inventor
王航
纪旭娜
刘云岗
李永泰
朱智富
宋丽华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kangyue Technology Co Ltd
Original Assignee
Kangyue Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kangyue Technology Co Ltd filed Critical Kangyue Technology Co Ltd
Priority to CN2010106042048A priority Critical patent/CN102080577A/en
Publication of CN102080577A publication Critical patent/CN102080577A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00Regulating or controlling by varying flow
    • F01D17/10Final actuators
    • F01D17/12Final actuators arranged in stator parts
    • F01D17/14Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
    • F01D17/141Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path
    • F01D17/143Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path the shiftable member being a wall, or part thereof of a radial diffuser
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00Regulating or controlling by varying flow
    • F01D17/10Final actuators
    • F01D17/12Final actuators arranged in stator parts
    • F01D17/18Final actuators arranged in stator parts varying effective number of nozzles or guide conduits, e.g. sequentially operable valves for steam turbines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B37/00Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • F02B37/12Control of the pumps
    • F02B37/22Control of the pumps by varying cross-section of exhaust passages or air passages, e.g. by throttling turbine inlets or outlets or by varying effective number of guide conduits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00Application
    • F05D2220/40Application in turbochargers
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Abstract

The invention discloses a section-variable turbine. The turbine comprises a volute, wherein the volute is provided with an executing mechanism; an annular air flow channel is formed in the volute and is provided with an air inlet; and an air inlet section adjusting mechanism is arranged in the annular air flow channel and is in transmission connection with the executing mechanism. The volute from the inlet to a flow channel area with a 90-degree section is divided into two parts with different upper and lower circulating capabilities, and a gas guide device capable of freely adjusting is used for adjusting and controlling two different flow channels to sequentially work, so that the circulating area of the flow channels is controlled, the fuel gas state of the turbine is entered through adjustment, and the supercharging requirement of an engine in a full working condition range is met; and the executing mechanism can adjust the rotation angle of a movable straight plate and a movable tongue-shaped baffle plate according to the actual working condition of the engine to change the throat section and an air inlet flow channel, so that a turbosupercharger and the engine are well matched under the full working condition.

Description

Variable-section turbomachine
Technical field
The present invention relates to a kind of variable-area turbocharger, be specifically related to a kind of variable-section turbomachine that also changes air inlet runner in change aditus laryngis cross section simultaneously, belong to field of internal combustion engine.
Background technique
Turbosupercharger is widely used in vehicular engine, and it can improve engine performance significantly.Along with the increasingly stringent of engine emission laws and regulations requirement, the performance of vehicle turbocharger is also had higher requirement.Turbosupercharger is ubiquity low engine speed moment of torsion deficiency, emission performance difference and the excessive problem of high-speed boosting with Engine Matching the time.In order to satisfy the performance requirement in the full operating mode scope of motor, the variable cross section turbocharging technology has obtained extensive studies and application.Wherein ligulate baffle plate variable-section turbomachine owing to simple in structure, be convenient to control be widely used.
The more than ten years Chinese scholars in past was done a large amount of research to ligulate baffle plate variable-section turbomachine, the structural representation of typical ligulate baffle plate variable cross section turbine as shown in Figure 1, it regulates the runner circulation area by the rotation angle that change is arranged on the ligulate baffle plate at nozzle ring place.Annular air runner 3 is arranged in the spiral case 1, and annular air channel 3 is communicated with suction port 2, and annular air channel 3 is provided with the controlling device 7 that is used to change the aditus laryngis section area.Controlling device 7 is made of spur rack 5, arc-shaped rack 6, ligulate baffle plate 8.The root of ligulate baffle plate 8 is connected on the spiral case 1 versatilely, arc-shaped rack 6 is fixed on the head of ligulate baffle plate 8, final controlling element 4 control spur racks 5 straight lines that are arranged on the spiral case outside move, thereby arc-shaped rack 6 is regulated the aperture of ligulate baffle plate 8 with spur rack 5 engagements, thereby changes the suction port area of annular air runner 3.When ligulate baffle plate 8 deviated from the rotation of turbine direction, the suction port area of annular air runner 3 reduced, and made the exhaust energy that enters turbine increase, and the acting ability enhancing to turbine has improved the boost pressure of motor when low speed.Otherwise air charging pressure reduces.Controlling device 7 can be regulated ligulate baffle plate 8 according to the actual conditions of motor, to satisfy the supercharging requirement of each operating mode of motor.
But controlling device 7 is complicated on installation and processing realizes, and the runner distortion when changing the air inlet cross section of ligulate baffle plate do not meet fluid and flow and require to make flow losses bigger, and limited to the regulation range of gas flow, the total efficiency of pressurized machine is lower.
Therefore wish that invention designs a kind of matching range that the variable cross section turbine easy, that flow losses are little, efficient is higher, regulation range is wider is widened turbosupercharger and motor effectively of controlling, and satisfies an amount of requirement of low engine speed rich gas and high-speed boosting simultaneously.
Summary of the invention
Problem to be solved by this invention be to provide a kind of control easy flexibly, the little efficient of flow losses is higher, widen the variable-section turbomachine of the matching range of turbosupercharger and motor effectively, can solve ligulate baffle plate efficiency of turbocharger low, to the limited problem of gas flow regulation range, to satisfy the supercharging requirement of the full operating mode scope of motor.
In order to overcome the above problems, the present invention by the following technical solutions:
A kind of variable-section turbomachine comprises spiral case, and actuator is installed on the spiral case, be provided with the annular air runner in the spiral case, the annular airflow road has suction port, is provided with air inlet cross section controlling mechanism in the described annular air runner, and described air inlet cross section controlling mechanism and actuator are in transmission connection.
Below be the further optimization of the present invention to such scheme:
Described air inlet cross section controlling mechanism comprises the fixed dam that is installed in close suction port place in the annular air runner, and described fixed dam is rotatably connected to movable straight plate near an end of suction port, and the other end is rotatably connected to movable ligulate baffle plate.
Further optimize:
Air-flow utilizes inertial flow that turbine is done work after entering spiral case, in order to make full use of the energy of air-flow in the acting The initial segment, supercharging requirement when particularly satisfying low engine speed, the other end of fixed dam are arranged on the position that is 0~90 ° of angle in the annular air runner with the cross section of suction port.
Further optimize:
Be rotationally connected by movable straight plate rotatingshaft between described fixed dam and the movable straight plate, fixed dam is rotationally connected by movable ligulate baffle plate rotatingshaft with movable ligulate baffle plate.
Further optimize:
Described movable straight plate rotatingshaft and movable ligulate baffle plate rotatingshaft are installed on the spiral case and also and between the spiral case are rotationally connected.
Further optimize:
A wherein end of a wherein end of described movable straight plate rotatingshaft and movable ligulate baffle plate rotatingshaft reaches the outside of spiral case respectively, be provided with the adjusting plectrum between the end of the end of described movable straight plate rotatingshaft and movable ligulate baffle plate rotatingshaft, described adjusting plectrum and actuator are in transmission connection.
Further optimize:
A wherein end of described adjusting plectrum is provided with arc chute, and an end of described movable straight plate rotatingshaft is installed in the arc chute of regulating plectrum, and an end of movable ligulate baffle plate rotatingshaft is fixed on to be regulated on the plectrum.
Described actuator can change aditus laryngis section area and air inlet runner in proper order by the rotation angle that the regulating and controlling plectrum can change movable straight plate and movable ligulate baffle plate simultaneously.
Further optimize:
Described fixed dam and spiral case are cast as one, described fixed dam, movable straight plate and movable ligulate baffle plate are along the axial setting of annular air runner, in order to reduce flow losses, the molded lines of being made up of movable straight plate, fixed dam and movable ligulate baffle plate is close with the molded lines of spiral case inwall.
Further optimize:
The other end of described movable ligulate baffle plate is rotatably connected to the first movable ligulate baffle plate and the second movable ligulate retaining successively, and the end of the described second movable ligulate retaining is positioned near the position of annular air runner with respect to the other end of suction port.
Further optimize:
The described first movable ligulate baffle plate and the second movable ligulate baffle plate are along the axial setting of annular air runner.
Can realize that like this circulation area is adjustable in the flow region of whole runner, more effectively satisfy the supercharging requirement of the full operating mode scope of motor.
Further optimize:
The described first movable ligulate baffle plate and the second movable ligulate baffle plate be installed in respectively on the spiral case and be in transmission connection by actuator.
One or more actuators can be set according to demand carry out independence or unite adjusting, to satisfy different motors, different operating mode job requirement.
Turbine volute structure among the present invention and common pressurized machine worm frame are basic identical, simple in structure, and inheritance is good, and cost is low, realize through engineering approaches easily fast.It is simple that control mechanism is regulated in air inlet cross section among the present invention, and control mode realizes easily, the reliability height.
The present invention is by being divided into different two-part of negotiability up and down with spiral case from the flow path area in the 90 ° of cross sections that enter the mouth, adopt a kind of can the adjusting by freely regulated means for guiding gas, control two different runner sequential workings, to reach the circulation area of control runner, adjusting enters the combustion gas state of turbine, satisfy the supercharging requirement of the full operating mode scope of motor, described actuator can change aditus laryngis cross section and air inlet runner according to the movable straight plate of actual conditions real-time regulated of motor and the rotation angle of movable ligulate baffle plate, to realize the matched well of turbosupercharger and the full operating mode of motor.
When small flow channels is worked, the ligulate baffle plate seals idle big runner with other baffle plates, reduced the eddy current loss of the small flow channels work combustion gas of other form adjusting mechanisms existence, the pneumatic efficiency when improving the turbo machine small flow in untight inoperative runner generation.Simultaneously, whole flow passage structure met the fluid motion rule when structure of ligulate baffle plate had both guaranteed small flow channels work, also can guarantee under the baffle plate opening state, during big runner participation work, the size runner all meets the fluid motion rule, can guarantee under two states to obtain good pneumatic efficiency, avoid the runner sudden change image that exists in traditional ligulate baffle arrangement, greatly improve the turbo machine pneumatic efficiency.
In sum, change the supercharging requirement that aditus laryngis cross section and air inlet runner variable-section turbomachine can effectively satisfy the full operating mode scope of motor when adopting patent of the present invention, big variation does not take place in the supercharger integrated structure of the type, cost is low, realize easily, have the vast market promotional value, can obtain good effect.
Description of drawings
Accompanying drawing 1 is the structural representation that the variable cross section turbine of ligulate baffle plate is installed in the background technique;
Accompanying drawing 2 is variable cross section turbine External views in the embodiment of the invention;
Accompanying drawing 3 is small flow variable-section turbomachine generalized sections in the embodiment of the invention 1;
Accompanying drawing 4 is big flow variable-section turbomachine generalized sections in the embodiment of the invention 1;
Accompanying drawing 5 is the position views when the movable ligulate baffle plate of variable-section turbomachine is in small flow and big flow respectively in the embodiment of the invention 1;
Accompanying drawing 6 is variable-section turbomachine generalized sections in the embodiment of the invention 2;
Accompanying drawing 7 is variable-section turbomachine generalized sections in the embodiment of the invention 3;
Accompanying drawing 8 is the structural representation of circular crosssection double flow channel in the embodiment of the invention;
Accompanying drawing 9 is the structural representation of rectangular cross-section single channel in the embodiment of the invention;
Accompanying drawing 10 is the structural representation of rectangular cross-section double flow channel in the embodiment of the invention.
Among the figure: the 1-spiral case; The 2-suction port; 3-annular air runner; The 4-final controlling element; The 5-spur rack; The 6-arc-shaped rack; The 7-controlling device; 8-ligulate baffle plate; The movable straight plate of 9-; The movable straight plate rotatingshaft of 10-; The 11-fixed dam; The movable ligulate baffle plate of 12-rotatingshaft; The movable ligulate baffle plate of 13-; The 14-arc chute; 15-actuator; 16-regulates plectrum; 17-air inlet cross section controlling mechanism; The 18-first movable ligulate baffle plate; The 19-second movable ligulate baffle plate.
Embodiment
Embodiment 1, as shown in Figure 2, and a kind of variable-section turbomachine, comprise spiral case 1, be provided with annular air runner 3 in the spiral case 1, annular air runner 3 has suction port 2, be provided with air inlet cross section controlling mechanism 17 in the annular air runner 3, described air inlet cross section controlling mechanism 17 is in transmission connection with actuator 15.
As shown in Figure 3, described air inlet cross section controlling mechanism 17 comprises the fixed dam 11 that is installed in close suction port 2 places in the annular air runner 3, and described fixed dam 11 is cast as one with spiral case 1.
Described fixed dam 11, movable straight plate 9 and movable ligulate baffle plate 13 be along the axial setting of annular air runner 3, and in order to reduce flow losses, the shape line of being made up of movable straight plate, fixed dam and movable ligulate baffle plate is close with the molded lines of spiral case inwall.
Described fixed dam 11 is rotatably connected to movable straight plate 9 near an end of suction port 2 by movable straight plate rotatingshaft 10, and the other end is rotatably connected to movable ligulate baffle plate 13 by movable ligulate baffle plate rotatingshaft 12.
Described movable straight plate rotatingshaft 10 and movable ligulate baffle plate rotatingshaft 12 be installed on the spiral case 1 and and spiral case 1 between be rotationally connected.
As shown in Figure 2, a wherein end of a wherein end of described movable straight plate rotatingshaft 10 and movable ligulate baffle plate rotatingshaft 12 reaches the outside of spiral case 1 respectively, is provided with between the end of the end of described movable straight plate rotatingshaft 10 and movable ligulate baffle plate rotatingshaft 12 and regulates plectrum 6.
A wherein end of described adjusting plectrum 6 is provided with arc chute 14, and an end of described movable straight plate rotatingshaft 10 is installed in the arc chute 14 of regulating plectrum 16, and an end of movable ligulate baffle plate rotatingshaft 12 is fixed on to be regulated on the plectrum 16.
Described adjusting plectrum 6 is in transmission connection with actuator 15, and actuator 15 drives when regulating plectrum 16 rotations, movable straight plate 9 of drive simultaneously and movably ligulate baffle plate 13 rotations.
As shown in Figure 3, described movable straight plate 9, fixed dam 11 and movable ligulate baffle plate 13 are divided into two-part up and down with the annular air runner 3 at spiral case inlet place, the rotation of movable straight plate 9 and movable ligulate baffle plate 13 can change aditus laryngis section area and air inlet runner, and by changing air inlet runner and aditus laryngis section area control air-flow the acting of turbine wheel is realized adjusting to boost pressure.
As shown in Figure 5, described annular air runner 3 is the circular crosssection single channel.
During low engine speed, it is little to enter the turbine exhaust flow, regulating plectrum 16 under the effect of actuator 15 rotates counterclockwise, driving movable ligulate baffle plate 13 simultaneously also rotates counterclockwise, movable straight plate 9 clockwise rotates, ligulate baffle plate 13 is arranged in the position, A place as Fig. 5, this moment, movable straight plate 9 and movable ligulate baffle plate 13 were all fitted with spiral case 1 inwall, preventing that air-flow from playing a reversed role causes flow losses, and last air inlet runner is closed the aditus laryngis sectional area and diminished, and airspeed increases, secondary speed raises, boost pressure raises, and satisfies low engine speed operating mode supercharging requirement, improves emission performance.
As shown in Figure 4, during high engine speeds, it is big to enter the turbine exhaust flow, regulating plectrum 16 under the effect of actuator 15 clockwise rotates, driving movable ligulate baffle plate 13 simultaneously clockwise rotates movable straight plate 9 and rotates counterclockwise, ligulate baffle plate 13 is arranged in the position, B place as Fig. 5, movable straight plate 9 and movable ligulate baffle plate 13 left on spiral case 1 inwall air inlet runner and opened this moment, it is big that the aditus laryngis sectional area becomes, airspeed reduces turbine is done work minimizing to satisfy the traffic requirement of pressurized machine relatively, has solved the excessive problem of high engine speeds operating mode supercharging.
Embodiment 2, as shown in Figure 6, on embodiment 1 basis, in order further to enlarge the regulation range of charge flow rate, the other end of described movable ligulate baffle plate 13 is rotatably connected to the first movable ligulate baffle plate 18 and the second movable ligulate retaining 19 successively, the end of the described second movable ligulate retaining 19 is positioned near the position of annular air runner 3 with respect to the other end of suction port 2, and the described first movable ligulate baffle plate 18 and the second movable ligulate baffle plate 19 are along the axial setting of annular air runner 3.
The first movable ligulate baffle plate 18 and the second movable ligulate baffle plate 19 be installed in respectively on the spiral case 1 and be in transmission connection by actuator 15, can realize that like this circulation area is adjustable in the flow region of whole runner, more effectively satisfy the supercharging requirement of the full operating mode scope of motor.
In the foregoing description, one or more actuators can be set according to demand carry out independence or unite adjusting, to satisfy different motors, different operating mode job requirement.
Embodiment 3, and air-flow utilizes inertial flow that turbine is done work after entering spiral case, and the acting of air-flow in The initial segment holds an important position in the whole acting process of turbine.In order to make full use of the energy of air-flow in the acting The initial segment, as shown in Figure 7, on embodiment 1 basis, fixed dam 11 extends in the annular air runner 3 near being the position at 90 ° of angles with the cross section of suction port 2, the mounting point of same movable ligulate baffle plate 13 also with after move, mounting type is constant, can prevent air-flow premature expansion in spiral case 1 like this, and the energy of air-flow is utilized more fully.Particularly when low engine speed, can more effectively improve boost pressure, satisfy low engine speed supercharging requirement.
In the above-mentioned example, the other end that can described as required fixed dam 11 is arranged on the position that is 0~90 ° of angle in the annular air runner 3 with the cross sections of suction port 2, to regulate the length of fixed dam, to satisfy different motors, different operating mode job requirement.
In the foregoing description, described annular air runner 3 can also adopt circular crosssection double flow channel as shown in Figure 8.
In the foregoing description, described annular air runner 3 can also adopt rectangular cross-section single channel as shown in Figure 9.
In the foregoing description, described annular air runner 3 can also adopt rectangular cross-section double flow channel as shown in figure 10.

Claims (11)

1. variable-section turbomachine, comprise spiral case (1), actuator (15) is installed on the spiral case (1), be provided with annular air runner (3) in the spiral case (1), annular air runner (3) has suction port (2), it is characterized in that: be provided with air inlet cross section controlling mechanism (17) in the described annular air runner (3), described air inlet cross section controlling mechanism (17) is in transmission connection with actuator (15).
2. variable-section turbomachine according to claim 1, it is characterized in that: described air inlet cross section controlling mechanism (17) comprises the fixed dam (11) that is installed in the annular air runner (3), described fixed dam (11) is rotatably connected to movable straight plate (9) near an end of suction port (2), and the other end is rotatably connected to movable ligulate baffle plate (13).
3. variable-section turbomachine according to claim 2 is characterized in that: the other end of described fixed dam (11) is arranged on the position that is 0~90 ° of angle in the annular air runner (3) with the cross section of suction port (2).
4. variable-section turbomachine according to claim 2, it is characterized in that: be rotationally connected by movable straight plate rotatingshaft (10) between described fixed dam (11) and the movable straight plate (9), fixed dam (11) is rotationally connected by movable ligulate baffle plate rotatingshaft (12) with movable ligulate baffle plate (13).
5. variable-section turbomachine according to claim 5 is characterized in that: described movable straight plate rotatingshaft (10) and movable ligulate baffle plate rotatingshaft (12) be installed on the spiral case (1) and and spiral case (1) between be rotationally connected.
6. variable-section turbomachine according to claim 6, it is characterized in that: a wherein end of a wherein end of described movable straight plate rotatingshaft (10) and movable ligulate baffle plate rotatingshaft (12) reaches the outside of spiral case (1) respectively, be provided with between the end of the end of described movable straight plate rotatingshaft (10) and movable ligulate baffle plate rotatingshaft (12) and regulate plectrum (6), described adjusting plectrum (6) is in transmission connection with actuator (15).
7. variable-section turbomachine according to claim 7, it is characterized in that: a wherein end of described adjusting plectrum (6) is provided with arc chute (14), one end of described movable straight plate rotatingshaft (10) is installed in the arc chute (14) of regulating plectrum (16), and an end of movable ligulate baffle plate rotatingshaft (12) is fixed on to be regulated on the plectrum (16).
8. according to one of them described variable-section turbomachine of claim 2~8, it is characterized in that: described fixed dam (11), movable straight plate (9) and movable ligulate baffle plate (13) are along the axial setting of annular air runner (3).
9. variable-section turbomachine according to claim 4, it is characterized in that: the other end of described movable ligulate baffle plate (13) is rotatably connected to the first movable ligulate baffle plate (18) and the second movable ligulate retaining (19) successively, and the end of the described second movable ligulate retaining (19) is positioned near the position of annular air runner (3) with respect to the other end of suction port (2).
10. variable-section turbomachine according to claim 10 is characterized in that: the described first movable ligulate baffle plate (18) and the second movable ligulate baffle plate (19) be installed in respectively that spiral case (1) is gone up and be in transmission connection by actuator (15).
11. variable-section turbomachine according to claim 8 is characterized in that: the described first movable ligulate baffle plate (18) and the second movable ligulate baffle plate (19) are along the axial setting of annular air runner (3).
CN2010106042048A 2010-12-24 2010-12-24 Section-variable turbine Pending CN102080577A (en)

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Application Number Priority Date Filing Date Title
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CN2010106042048A CN102080577A (en) 2010-12-24 2010-12-24 Section-variable turbine
PCT/CN2011/000460 WO2012083573A1 (en) 2010-12-24 2011-03-21 Variable area turbine

Publications (1)

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CN104279052A (en) * 2013-07-09 2015-01-14 福特环球技术公司 System and method for variable tongue spacing in a multi-channel turbine in a charged internal combustion engine
CN106523435A (en) * 2016-11-25 2017-03-22 华中科技大学 Molded line adjustable fan volute
CN107762578A (en) * 2017-10-09 2018-03-06 中国第汽车股份有限公司 A kind of flow-passage-changeable turbine spiral casing of pressure booster
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CN102536433A (en) * 2012-01-11 2012-07-04 康跃科技股份有限公司 Staged flow-adjustable turbine shell
CN102536433B (en) * 2012-01-11 2014-05-07 康跃科技股份有限公司 Staged flow-adjustable turbine shell
CN104279052A (en) * 2013-07-09 2015-01-14 福特环球技术公司 System and method for variable tongue spacing in a multi-channel turbine in a charged internal combustion engine
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CN104279052B (en) * 2013-07-09 2019-02-01 福特环球技术公司 The system and method that can be changed tongue spacing for boosting explosive motor multichannel turbine
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