CN102278146B - Device for regulating guide blade of turbine - Google Patents
Device for regulating guide blade of turbine Download PDFInfo
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- CN102278146B CN102278146B CN201110222819.9A CN201110222819A CN102278146B CN 102278146 B CN102278146 B CN 102278146B CN 201110222819 A CN201110222819 A CN 201110222819A CN 102278146 B CN102278146 B CN 102278146B
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- oil
- actuation mechanism
- oilhole
- guide rod
- neck bush
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Abstract
The invention provides a device for regulating a guide blade of a turbine, comprising a case (1), a regulating cam (3) arranged on the case (1) in a rotatable manner, as well as a follow-up valve (4) and an actuating mechanism (5) which are contained and arranged in the case (1), wherein the follow-up valve (4) and the actuating mechanism (5) interact to provide a rotating power for the guide blade. In the invention, the device for regulating the guide blade is hydraulically driven, and the angle of the guide blade can be continuously and steplessly regulated, thus the angle of the guide blade can be matched with the blade airflow air suction angle requirement at different rotating speeds and the thermal energy conversion efficiency of a turbine blade is greatly improved.
Description
Technical field
The present invention relates to turbo machine field, especially, relate to a kind of device for regulating guide blade of turbine.
Background technique
Guide vane is all installed in power turbine, and the effect of guide vane is to change to enter the airflow direction before turbine blade.In order to make power turbine blade obtain the charge air flow of better angle, conventionally before turbine blade, designed the guide vane (also claiming stator blade) of adjustable-angle.At present, guide vane is to utilize device for regulating guide blade to carry out multistage adjusting.Yet existing device for regulating guide blade can only be by stator angle adjustment to fixing several positions.
Summary of the invention
The object of the invention is to provide a kind of device for regulating guide blade of turbine, to solve existing device for regulating guide blade, guide vane angle adjustment can only be arrived to several fixing positions and the technical problem of energy continuous stepless adjusting.
For achieving the above object, the invention provides a kind of device for regulating guide blade of turbine, comprise housing; Be rotatably mounted on the adjustment cam on housing; Accommodate the servo-actuated valve and the actuation mechanism that are installed in housing; Servo-actuated valve comprises external bushing and neck bush, neck bush is contained in external bushing, and neck bush is provided with liner oilhole, and external bushing is provided with the first oilhole, the second oilhole and the 3rd oilhole, neck bush is connected to adjustment cam, and neck bush moves relative to external bushing vertically with the rotation of adjustment cam; Actuation mechanism comprises actuation mechanism cam, actuation mechanism gear, axle core and pressurized strut; Actuation mechanism cam and actuation mechanism gear are all fixedly installed in axle core, and actuation mechanism cam is connected to external bushing, and drive external bushing to move vertically with respect to neck bush with the rotation of actuation mechanism cam; Pressurized strut comprises the first sleeve sections, the second sleeve sections and is slidably located on the pressurized strut inner rack between the first sleeve sections, the second sleeve sections; The first sleeve sections operationally connects with the 3rd oilhole (43); The second sleeve sections operationally connects with the second oilhole; Actuation mechanism gear and the engagement of pressurized strut inner rack, axle core is connected with guide vane.
Further, servo-actuated valve also comprises lining, and neck bush is contained in lining together with external bushing, and lining is provided with some bushing oil holes; The first sleeve sections and one of them bushing oil hole connect; The second sleeve sections connects with another one bushing oil hole wherein; One of them bushing oil hole and another one bushing oil hole wherein operationally connect with the 3rd oilhole and the second oilhole respectively.
Further, neck bush comprises first end and the second end, and first end and the adjustment cam of neck bush connect; Housing is also fixed with a threaded guide rod, and threaded guide rod is against the second end of neck bush; On threaded guide rod, be arranged with a guide rod inner sleeve; Spring housing is located at guide rod inner sleeve, and the second end of the opposite end of spring difference butt guide rod inner sleeve and neck bush.
Further, neck bush comprises an inner chamber, and liner oilhole all connects with inner chamber; The second end is opening end, is fixed with a connecting ring in it; Spring section is sheathed on connecting ring.
Further, threaded guide rod is provided with a head; Threaded guide rod also overlaps and has guide rod overcoat between head and guide rod inner sleeve; External bushing comprises first end and the second end, and the first end of external bushing contacts with actuation mechanism; One end of guide rod overcoat is resisted against the second end of external bushing; The first spring housing is located at external bushing, and the opposite end of the first spring difference butt guide rod overcoat and head.
Further, actuation mechanism cam is installed on the first end of axle core; The second end of axle core is as output lug) mesh with half ring gear of guide vane; Actuation mechanism gear is fixed between the first end and the second end of axle core.
Further, also comprise the oil-inlet mechanism that is fixed on housing; The oil inlet passage that oil-inlet mechanism is provided with inlet connector and is communicated with inlet connector; Oil inlet passage is communicated with one of them bushing oil hole, and is operationally communicated with the first oilhole.
Further, oil-inlet mechanism comprises and is fixed on the oil inlet pipe shell of housing and is socketed on the oil inlet pipe inner casing in oil inlet pipe shell; Inlet connector runs through oil inlet pipe inner casing.
Further, in oil inlet pipe inner casing, be also provided with oil filter; Between inlet connector and oil inlet passage, by oil, filter perforation.
Further, also comprise the oil outlet mechanism that is connected in housing; Oil outlet mechanism comprises outer pipe inner casing, the outlet pipe connection being connected with actuation mechanism and the one-way cock being connected with outlet pipe connection.
The present invention has following beneficial effect: the present invention adopts hydraulic driving device for regulating guide blade, the angle of step-less adjustment guide vane serially, the angle of guide vane can be matched with the demand of turbine blade air-flow air inlet angle under different rotating speeds, greatly improve turbine blade thermal energy conversion efficiency.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the device for regulating guide blade cross-sectional view of the preferred embodiment of the present invention; And
Fig. 2 is the cross-sectional view of oil-inlet mechanism of the regulator of the preferred embodiment of the present invention;
Fig. 3 is the cross-sectional view of servo-actuated valve of the regulator of the preferred embodiment of the present invention;
Fig. 4 is the cross-sectional view of actuation mechanism of the regulator of the preferred embodiment of the present invention;
Fig. 5 is the device for regulating guide blade of the preferred embodiment of the present invention cross-sectional view in pressurized strut plane;
Fig. 6 is the actuation mechanism cam type surface structure plan view schematic diagram of the preferred embodiment of the present invention;
Fig. 7 is the adjustment cam moulding surface structure schematic top plan view of the regulator of the preferred embodiment of the present invention;
Fig. 8 is the oil outlet mechanism cross-sectional view of the regulator of the preferred embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated.
Referring to Fig. 1, a kind of turborotor regulator, comprises housing 1, operating handle 2, adjustment cam 3, servo-actuated valve 4, actuation mechanism 5, oil-inlet mechanism 6, oil outlet mechanism 7 and a pressure control mouthful pipe joint 8.Servo-actuated valve 4 and actuation mechanism 5 are contained in housing 1, and operating handle 2 and adjustment cam 3 are arranged on housing 1, and oil-inlet mechanism 6 and oil outlet mechanism 7 are arranged on respectively the two ends of housing 1.As other embodiment, turborotor regulator can operating handle 2 be set or/and oil-inlet mechanism 6 or/and oil outlet mechanism 7.
In conjunction with referring to Fig. 2, oil-inlet mechanism 6 comprises oil inlet pipe shell 61, oil inlet pipe inner casing 62, oil filter 63, inlet connector 64 and oil inlet passage 65.Oil filter 63 is contained in oil inlet pipe inner casing 62, and oil inlet pipe shell 61 is socketed on oil inlet pipe inner casing 62 outer walls.Inlet connector 64 is fixedly connected on oil inlet pipe inner casing 62, and is connected with oil filter 63.Oil-inlet mechanism 6 is fixedly connected on the first end of housing 1, and is communicated with servo-actuated valve 4 by oil inlet passage 65.
In conjunction with referring to Fig. 3, servo-actuated valve 4 comprises the first oilhole 41, the second oilhole 42, the 3rd oilhole 43, lining 44, external bushing 45, neck bush 46, threaded guide rod 47 and spring 48,49.Neck bush 46 is contained in external bushing 45.Neck bush 46 is contained in lining 44 together with external bushing 45.Wherein the first oilhole 41, as the oil inlet hole of servo-actuated valve 4, is connected with the inflow pipeline of oil-inlet mechanism 6.
Neck bush 46 is hollow pipe, and the hollow parts of this hollow pipe is inner chamber 464.On the tube wall of neck bush 46, offer some liner oilholes 465 that penetrate for fuel oil.Neck bush 46 comprises the cylindrical first end 461 that is convex globoidal and second end 462 with opening.First end 461 and the adjustment cam 3 of neck bush 46 connect.One connecting ring 463 parts are contained in the opening of the second end 462 of neck bush 46.
External bushing 45 comprises and all stretches out the first end 461 of neck bush 46 and the first end 451 of the second end 462 and the second end 452.The first end 451 of external bushing 45 contacts with actuation mechanism 5.The first oilhole 41, the second oilhole 42 and the 3rd oilhole 43 connect the tube wall of external bushing 45, and the first oilhole 41 is communicated with the oil inlet passage 65 of oil-inlet mechanism 6.
On the tube wall of lining 44, offer some bushing oil holes 441 that penetrate for fuel oil.
Threaded guide rod 47 comprises a head 473 and the rod blank of being extended by head 473.Rod blank leans one end that connecting ring 463 exposes to neck bush 46.The bar portion of threaded guide rod 47 is set with guide rod inner sleeve 472 and guide rod overcoat 471.Wherein, guide rod overcoat 471, between head 473 and guide rod inner sleeve 472, and is accommodated guide rod inner sleeve 472.One end of guide rod inner sleeve 472 is to being projected with the flanging of supporting guide rod overcoat 471, and another opposite end of guide rod inner sleeve 472 leans one end that connecting ring 463 exposes to neck bush 46.Spring 48 is sleeved on guide rod inner sleeve 472 and connecting ring 463, and the flanging of the opposite end of spring 48 difference butt guide rod inner sleeve 472 and the second end 462 of neck bush 46.The first end of guide rod overcoat 471 is provided with the flanging that the second end 452 with external bushing 45 connects.The first spring 49 is sleeved on guide rod overcoat 471, and the flanging of the opposite end of the first spring 49 difference butt guide rod overcoat 471 and the head 473 of threaded guide rod 47.
Pressure is controlled a mouthful pipe joint 8 and is fixedly connected on housing 1, and is connected with threaded guide rod 47.Pressure is controlled a mouthful pipe joint 8 and is connected with rod blank.
In conjunction with referring to Fig. 4 and Fig. 5, actuation mechanism 5 comprises actuation mechanism cam 51, actuation mechanism gear 52, output lug 53, bearing 54, axle core 55 and pressurized strut 56.Actuation mechanism gear 52 and bearing 54 are all sleeved on axle core 55.Actuation mechanism cam 51 hitch are arranged on the first end 551 of axle core 55, and the wheel end face of actuation mechanism cam 51 and the first end 451 of external bushing 45 connect.The both sides of actuation mechanism gear 52 respectively arrange a pressurized strut 56, and the cavity of pressurized strut 56 is connected with servo-actuated valve 4.Pressurized strut 56 comprises a pressurized strut inner rack 561, pressurized strut inner rack 561 and 52 engagements of actuation mechanism gear.The second end of axle core 55 is output lug 53.Output lug 53 meshes with half ring gear of impeller.
In conjunction with referring to Fig. 6, the wheel face radius size of actuation mechanism cam 51 is unequal.
In conjunction with Fig. 7, adjustment cam 3 is sleeved on actuation mechanism cam 51 with gap, and adjustment cam 3 is mounted in housing 1.The wheel end of the wheel face 31 of adjustment cam 3 contacts with first end 461 profiles of neck bush 46.The radius size of the wheel face 31 of adjustment cam 3 is unequal.Operating handle 2 is fixedly connected with adjustment cam 3, with 3 rotations of regulating and controlling cam.When the radius larger part of adjustment cam 3 can be supported adjustment cam 3, neck bush 46 is moved to the left; When adjustment cam 3, rotate while fending off adjustment cam 3 to radius smaller part, neck bush 46 moves right under the effect of the elastic-restoring force of spring 48.
In conjunction with referring to Fig. 8, oil outlet mechanism 7 comprises one-way cock 71, outer pipe inner casing 72 and outlet pipe connection 73.One end of one-way cock 71 is connected with outlet pipe connection 73, and is contained in outlet pipe connection 73.Outlet pipe connection 73 is connected with outer pipe inner casing 72.Outer pipe inner casing 72 is fixedly connected with housing 1, and is connected with actuation mechanism 5.
The working principle of turborotor regulator of the present invention is:
Device for regulating guide blade is when static equilibrium position, the neck bush 46 of servo-actuated valve 4 and external bushing 45 are in position shown in Fig. 3, and the liner oilhole 465 on neck bush 46 and the bushing oil hole on lining 44 441 all stagger with the first oilhole 41, the second oilhole 42 and the 3rd oilhole 43 on external bushing 45.Now, spring 48,49 elastic compression, and the first end 461 of the elastic force effect lower liner of spring 48,49 cover 46 contacts with the wheel face 31 of the radius larger part of adjustment cam 3.
When guide vane need to be adjusted angle, device for regulating guide blade is started working, and fuel oil enters oil filter 63 through inlet connector 64, and after filtering, fuel oil enters the first oilhole 41 on external bushing 45 by the bushing oil hole 441 on oil inlet passage 65 and lining 44.Operating handle 2 is rotated, to drive adjustment cam 3 to rotate from 80 ° toward-12 ° of directions.In this process, adjustment cam 3 is rotated to the little position of profile radius gradually from the large position of profile radius.Under the elastic force effect of spring 48, the neck bush 46 of servo-actuated valve 4 moves to actuation mechanism 5 directions, and now, the liner oilhole 465 on neck bush 46 and the bushing oil hole 441 on lining 44 all align with the first oilhole 41 and the 3rd oilhole 43 on external bushing 45.Fuel oil in the first oilhole 41 of external bushing 45 flows into inner chamber 464, then enters in pressurized strut 56 through the 3rd oilhole 43, makes one end of pressurized strut 56 form hyperbaric chamber.Thereby the two ends pressure reduction of pressurized strut 56 increases.Under differential pressure action, pressurized strut tooth bar 561 moves toward low-pressure cavity direction, and makes the fuel oil in low-pressure cavity flow into servo-actuated valve 4 through the second oilhole 42.The gear 52 of actuation mechanism 5 clockwise rotates under the drive of pressurized strut tooth bar 561.Now, axle core 55 also rotates along with gear 52, thereby drives actuation mechanism cam 51 to rotate.In this process, the direction rotation that actuation mechanism cam 51 reduces toward wheel radius surface, the elastic-restoring force of the first spring 49 makes external bushing 45 move to the direction near actuation mechanism 5, until servo-actuated valve 4 is again in state of equilibrium.
Axle core 55 rotations of actuation mechanism 5, output lug 53 is also along with rotation.Be installed on half ring gear of the impeller of exporting lug 53 also along with rotation.The rotation of half ring gear can drive guide vane rotation, thereby realizes the object that regulates the guide vane exhaust angle being connected with half ring gear.When the operating handle 2 of guiding regulator from-12 ° when 80 ° of directions move, the neck bush 46 of servo-actuated valve 4 moves to the direction that deviates from actuation mechanism 5.At this moment, fuel oil enters the second oilhole 42, and then enters in pressurized strut, forms reverse hyperbaric chamber, and actuation mechanism 5 is rotated counterclockwise, and external bushing 45 moves to the direction that deviates from actuation mechanism 5, until servo-actuated valve 4 reaches state of equilibrium.At this moment, guide vane counter-rotation, can reach a best air inlet angle of attack in guide vane rotation process.
In said process, some fuel oil in servo-actuated valve 4 infiltrates cavity between actuation mechanism 5 and adjustment cam 3 by gap.Fuel oil in this cavity enters oil outlet mechanism 7 through gap, then flows out by outlet pipe connection 73.
When the excess revolutions of turbine rotor rotating speed needs device for regulating guide blade to drain the oil or when turborotor needs emergency braking, the interior a part of fuel oil of servo-actuated valve 4 is controlled mouthful 8 pairs of device for regulating guide blades of pipe joint through pressure and drained the oil.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a device for regulating guide blade of turbine, is characterized in that, comprising: housing (1);
Be rotatably mounted on the adjustment cam (3) on described housing (1);
Accommodate the servo-actuated valve (4) and the actuation mechanism (5) that are installed in described housing (1);
Described servo-actuated valve (4) comprises external bushing (45) and neck bush (46), described neck bush (46) is contained in described external bushing (45), described neck bush (46) is provided with liner oilhole (465), described external bushing (45) is provided with the first oilhole (41), the second oilhole (42) and the 3rd oilhole (43), described neck bush (46) is connected to described adjustment cam (3), and described neck bush (46) moves relative to described external bushing (45) vertically with the rotation of described adjustment cam (3);
Described actuation mechanism (5) comprises actuation mechanism cam (51), actuation mechanism gear (52), axle core (55) and pressurized strut (56);
Described actuation mechanism cam (51) and described actuation mechanism gear (52) are all fixedly installed in described axle core (55), described actuation mechanism cam (51) is connected to described external bushing (45), and drives described external bushing (45) to move vertically with respect to described neck bush (46) with the rotation of described actuation mechanism cam (51);
Described pressurized strut (56) comprises the first sleeve sections, the second sleeve sections and is slidably located on the pressurized strut inner rack (561) between described the first sleeve sections, the second sleeve sections;
Described the first sleeve sections operationally connects with described the 3rd oilhole (43);
Described the second sleeve sections operationally connects with described the second oilhole (42);
Described actuation mechanism gear (52) and described pressurized strut inner rack (561) engagement, described axle core (55) is connected with guide vane.
2. device for regulating guide blade of turbine according to claim 1, it is characterized in that, described servo-actuated valve (4) also comprises lining (44), and described neck bush (46) and external bushing (45) are contained in lining (44) together, and described lining (44) is provided with some bushing oil holes (441);
Described the first sleeve sections and one of them bushing oil hole (441) connect;
Described the second sleeve sections connects with another one bushing oil hole (441) wherein;
Described in bushing oil hole described in one of them (441) and another one wherein, bushing oil hole (441) operationally connects with described the 3rd oilhole (43) and described the second oilhole (42) respectively.
3. device for regulating guide blade of turbine according to claim 2, is characterized in that,
Described neck bush (46) comprises first end (461) and the second end (462), and described first end (461) connects with described adjustment cam (3);
Described housing (1) is also fixed with a threaded guide rod (47), and described threaded guide rod (47) is against described second end (462) of described neck bush (46);
On described threaded guide rod (47), be arranged with a guide rod inner sleeve (472);
Spring (48) is sheathed on described guide rod inner sleeve (472), and the opposite end of described spring (48) described second end (462) of guide rod inner sleeve (472) and described neck bush (46) described in butt respectively.
4. device for regulating guide blade of turbine according to claim 3, is characterized in that,
Described neck bush (46) comprises an inner chamber (464), and described liner oilhole (465) all connects with described inner chamber (464);
Described the second end (462) is opening end, is fixed with a connecting ring (463) in it;
Described spring (48) part is sheathed on described connecting ring (463).
5. device for regulating guide blade of turbine according to claim 3, is characterized in that,
Described threaded guide rod (47) is provided with a head (473);
Described threaded guide rod (47) also overlaps and has guide rod overcoat (471) between described head (473) and described guide rod inner sleeve (472);
Described external bushing (45) comprises first end (451) and the second end (452), and described first end (451) contacts with actuation mechanism (5);
One end of described guide rod overcoat (471) is resisted against described second end (452) of described external bushing (45);
The first spring (49) is sheathed on described external bushing (45), and the opposite end of described the first spring (49) respectively guide rod overcoat (471) and described head (473) described in butt.
6. device for regulating guide blade of turbine according to claim 2, is characterized in that, described actuation mechanism cam (51) is installed on the first end of described axle core (55);
The second end of described axle core (55) is the half ring gear engagement with described guide vane as output lug (53);
Described actuation mechanism gear (52) is fixed between the first end and the second end of described axle core (55).
7. according to the device for regulating guide blade of turbine described in any one in claim 2 to 6, it is characterized in that, also comprise the oil-inlet mechanism (6) that is fixed on described housing (1);
The oil inlet passage (65) that described oil-inlet mechanism (6) is provided with inlet connector (64) and is communicated with described inlet connector (64);
Described oil inlet passage (65) is communicated with bushing oil hole described in one of them (441), and is operationally communicated with described the first oilhole (41).
8. device for regulating guide blade of turbine according to claim 7, it is characterized in that, described oil-inlet mechanism (6) comprises and is fixed on the oil inlet pipe shell (61) of described housing (1) and is socketed on the oil inlet pipe inner casing (62) in described oil inlet pipe shell (61);
Described inlet connector (64) runs through oil inlet pipe inner casing (62).
9. device for regulating guide blade of turbine according to claim 8, is characterized in that, is also provided with oil filter (63) in described oil inlet pipe inner casing (62);
Between described inlet connector (64) and described oil inlet passage (65), by described oil filter (63), connect.
10. device for regulating guide blade of turbine according to claim 9, is characterized in that, also comprises the oil outlet mechanism (7) that is connected in described housing (1);
Described oil outlet mechanism (7) comprises outer pipe inner casing (72), the outlet pipe connection (73) being connected with described actuation mechanism (5) and the one-way cock (71) being connected with described outlet pipe connection (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110222819.9A CN102278146B (en) | 2011-08-04 | 2011-08-04 | Device for regulating guide blade of turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110222819.9A CN102278146B (en) | 2011-08-04 | 2011-08-04 | Device for regulating guide blade of turbine |
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| Publication Number | Publication Date |
|---|---|
| CN102278146A CN102278146A (en) | 2011-12-14 |
| CN102278146B true CN102278146B (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110222819.9A Active CN102278146B (en) | 2011-08-04 | 2011-08-04 | Device for regulating guide blade of turbine |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106321360A (en) * | 2016-10-08 | 2017-01-11 | 重庆交通大学 | Generating device of bidirectional angle-adjustable air turbine |
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|---|---|---|---|---|
| CN1973118A (en) * | 2004-03-08 | 2007-05-30 | 霍尼韦尔国际公司 | Vane control |
| CN101523025A (en) * | 2006-09-29 | 2009-09-02 | 株式会社小松制作所 | Variable turbo supercharger and method of driving the same |
| CN101899997A (en) * | 2008-11-24 | 2010-12-01 | 霍尼韦尔国际公司 | Turbocharger with vairable turbine nozzle actuated by hydraulic and mechanical spring forces |
| CN202250255U (en) * | 2011-08-04 | 2012-05-30 | 中国南方航空工业(集团)有限公司 | Guide vane regulator of turbine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61185622A (en) * | 1985-02-13 | 1986-08-19 | Toyota Motor Corp | Supercharging pressure controller for turbocharger with variable throat nozzle |
| JP2007120459A (en) * | 2005-10-31 | 2007-05-17 | Toshiba Corp | Guide vane closing control device for power generation hydraulic machine, and method for controlling it |
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2011
- 2011-08-04 CN CN201110222819.9A patent/CN102278146B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1973118A (en) * | 2004-03-08 | 2007-05-30 | 霍尼韦尔国际公司 | Vane control |
| CN101523025A (en) * | 2006-09-29 | 2009-09-02 | 株式会社小松制作所 | Variable turbo supercharger and method of driving the same |
| CN101899997A (en) * | 2008-11-24 | 2010-12-01 | 霍尼韦尔国际公司 | Turbocharger with vairable turbine nozzle actuated by hydraulic and mechanical spring forces |
| CN202250255U (en) * | 2011-08-04 | 2012-05-30 | 中国南方航空工业(集团)有限公司 | Guide vane regulator of turbine |
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| CN102278146A (en) | 2011-12-14 |
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Address after: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee after: China Hangfa South Industrial Co. Ltd. Address before: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee before: China Southern Airlines Industry (Group) Co., Ltd. |