CN102562186A - Sectional type volute with guide vanes - Google Patents
Sectional type volute with guide vanes Download PDFInfo
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- CN102562186A CN102562186A CN2012100067375A CN201210006737A CN102562186A CN 102562186 A CN102562186 A CN 102562186A CN 2012100067375 A CN2012100067375 A CN 2012100067375A CN 201210006737 A CN201210006737 A CN 201210006737A CN 102562186 A CN102562186 A CN 102562186A
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- air inlet
- spiral case
- flow passage
- outer flow
- side air
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- 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
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
- F01D17/12—Final actuators arranged in stator parts
- F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
- F01D17/141—Final 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
- F01D17/145—Final 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 by means of valves, e.g. for steam turbines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/24—Control of the pumps by using pumps or turbines with adjustable guide vanes
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- 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
- F01D9/026—Scrolls for radial machines or engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/02—Gas passages between engine outlet and pump drive, e.g. reservoirs
- F02B37/025—Multiple scrolls or multiple gas passages guiding the gas to the pump drive
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/22—Control 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/40—Application in turbochargers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The invention discloses a sectional type volute with guide vanes, which comprises a turbine volute, wherein a volute air inlet flow channel and a volute diffusion channel are arranged in the turbine volute; the turbine volute is provided with a volute air inlet communicating with the volute air inlet flow channel and a volute air outlet communicating with the volute pressure diffusion channel respectively; a left-side pneumatic partition board and a right-side pneumatic partition board are arranged in the volute air inlet flow channel; the volute air inlet flow channel is partitioned into a volute left-side air inlet outer flow channel, a volute air inlet inner flow channel and a volute right-side air inlet outer flow channel by the left-side pneumatic partition board and the right-side pneumatic partition board; and air inlet adjustment control devices are respectively arranged at the positions of the volute left-side air inlet outer flow channel and the volute right-side air inlet outer flow channel places, which are close to the volute air inlet. The sectional type volute with the guide vanes is simple in structure, good in inheritance, low in cost, and easy and rapid in realization of engineering; in addition, the air inlet adjustment devices in the structure of the sectional type volute are simple in structure, easy in realization of control ways and high in reliability.
Description
Technical field
The present invention relates to a kind of segmented spiral case, specifically a kind of working independently through different runners satisfied the segmented spiral case of the band guide vane of each performance of operating condition requirement of motor with co-operation, belong to field of internal combustion engine.
Background technique
In recent years; Increasingly stringent along with Abgasgesetz; People are more and more stronger to the demand of the pressurized machine that can take into account the full performance of operating condition of motor; Variable-area turbocharger can make pressurized machine and motor under each operating mode, realize good Performance Match because of effectively controlling the exhaust pressure of motor, becomes the emphasis of research and development.But in practical application, adopt the low speed torque of the motor of variable cross section pressurized machine to improve a lot, the problem of existence is, the intake and exhaust Negative Pressure Difference of motor is very high, and pumping loss is too high, causes low engine speed operating mode oil consumption higher.Patent CN101694166A discloses a kind of double-layer channel variable-section turbine control device; This structure comprises turbine case; Be provided with inside and outside two air inlet runners in the turbine case; Under the high operating mode, this device is regulated the air inflow that gets into spiral case air inlet outer flow passage through the aperture of valve control mechanism regulating valve in the motor, has realized the function of variable cross section.But the pressure ratio of this structure under the high engine speeds operating mode improves limited.
Therefore; Hope the segmented spiral case of a kind of simple in structure, band guide vane that reliability is high of design, satisfy the performance requirement in the full operating mode scope of motor, improve the air inflow of low engine speed operating mode; Reduce the low engine speed hysteresis; And can under the high engine speeds operating mode, effectively utilize the exhaust energy of motor, improve the air inflow of motor and effectively improve pressure ratio.
Summary of the invention
The problem that the present invention will solve is for the narrow limitation to the variable cross section pressurized machine; A kind of hysteresis of pressurized machine can effectively solve the low engine speed operating mode time is provided; And the pressure ratio can improve the high engine speeds operating mode time, satisfy the segmented spiral case of the band guide vane that the supercharging in the full operating mode scope of motor requires.
In order to address the above problem, the present invention adopts following technological scheme:
A kind of segmented spiral case with guide vane comprises turbine volute;
Be provided with spiral case air inlet runner and spiral case diffusion passage in the said turbine volute, be respectively equipped with on the said turbine volute spiral case suction port that is communicated with the spiral case air inlet runner and with the spiral case air outlet of spiral case diffusion channel connection;
Be provided with left side pneumatic barrier and right side pneumatic barrier in the said spiral case air inlet runner;
Said left side pneumatic barrier and right side pneumatic barrier become spiral case left side air inlet outer flow passage, spiral case air inlet inner flow passage and spiral case right side air inlet outer flow passage at interval with the spiral case air inlet runner;
Said spiral case left side air inlet outer flow passage and spiral case right side air inlet outer flow passage are respectively equipped with the air inlet adjustment control gear near the position at spiral case suction port place.
Below be the further improvement of the present invention to such scheme:
Said air inlet adjustment control gear comprises the air inlet adjustment valve at the suction port place that is installed in spiral case left side air inlet outer flow passage and spiral case right side air inlet outer flow passage respectively, and said air inlet adjustment valve is connected with air inlet adjustment control final controlling element;
When motor was in low speed operating mode scope, two air inlet adjustment valves were closed simultaneously, and promptly spiral case left side air inlet outer flow passage and spiral case right side air inlet outer flow passage are in closed condition simultaneously; Spiral case air inlet inner flow passage is in running order separately;
When motor is in middling speed operating mode scope, be installed in the air inlet adjustment valve closing at spiral case left side air inlet outer flow passage suction port place, spiral case left side air inlet outer flow passage is in closed condition, and spiral case right side air inlet outer flow passage and spiral case air inlet inner flow passage are in running order;
In the time of in motor is in the high-speed working condition scope, two air inlet adjustment valves are opened simultaneously, and spiral case air inlet inner flow passage, spiral case left side air inlet outer flow passage and spiral case right side air inlet outer flow passage are simultaneously in running order.
Further improve:
The suction port of said spiral case air inlet inner flow passage is connected with the spiral case suction port, and the suction port of said spiral case left side air inlet outer flow passage and said spiral case right side air inlet outer flow passage is connected with the suction port of spiral case air inlet inner flow passage respectively.
Further improve: said spiral case left side air inlet outer flow passage and spiral case right side air inlet outer flow passage lay respectively at the both sides of spiral case air inlet inner flow passage and laterally arrange side by side.
The another kind of improvement:
Said spiral case left side air inlet outer flow passage and spiral case right side air inlet outer flow passage lay respectively at the both sides of spiral case air inlet inner flow passage, and the cross section of said spiral case left side air inlet outer flow passage is an arc, and its outer end extends to the outside of spiral case air inlet inner flow passage.
Further improve: the sectional area of said spiral case left side air inlet outer flow passage is greater than the sectional area of said spiral case right side air inlet outer flow passage.
Further improve: meet the designing requirement of A/R value for guaranteeing the cross section of fluid channel that is designed, the sectional area sum of said spiral case left side air inlet outer flow passage and spiral case right side air inlet outer flow passage is 0.3-1.1 times of sectional area of spiral case air inlet inner flow passage.
Further improve: said spiral case left side air inlet outer flow passage, spiral case right side air inlet outer flow passage and spiral case air inlet inner flow passage are respectively equipped with non-blade nozzle near the position of spiral case diffusion passage.
Further improve: evenly be provided with some wing blade pneumatic type guide vanes ringwise near the non-blade nozzle place in the said spiral case left side air inlet outer flow passage.
Further improve: an end of said guide vane is connected with spiral case left side air inlet outer flow passage inwall integrally casting, and the other end is connected with the inwall integrally casting that the left side pneumatic barrier is positioned at spiral case left side air inlet outer flow passage one side.
Further improve: be provided with outer flow passage control room, left side between the suction port of said spiral case left side air inlet outer flow passage and spiral case left side air inlet outer flow passage; Be provided with outer flow passage control room, right side between the suction port of said spiral case right side air inlet outer flow passage and spiral case right side air inlet outer flow passage.
Further improve: the air inlet adjustment valve that is installed in the suction port place of spiral case left side air inlet outer flow passage is positioned at outer flow passage control room, left side;
The air inlet adjustment valve that is installed in the suction port place of spiral case right side air inlet outer flow passage is positioned at outer flow passage control room, right side.
Further improve: be respectively equipped with the outer flow passage upper end cap on outer flow passage control room, said left side and the outer flow passage control room, right side, with realization spacing to the sealing of inlet stream and air inlet adjustment valve.
The present invention adopts such scheme, and spiral case air inlet inner flow passage is often to drive flow channel into, and spiral case left side air inlet outer flow passage and spiral case right side air inlet outer flow passage are under the control of air inlet adjustment control final controlling element to be opened or closed state.
When motor was in the low speed operating mode scope, the air inlet adjustment valve was closed spiral case left side air inlet outer flow passage and spiral case right side air inlet outer flow passage under the drive of air inlet adjustment control final controlling element simultaneously; At this moment, all waste gases of discharging from the motor spiral case air inlet inner flow passage of only flowing through is because the sectional area ratio of spiral case air inlet inner flow passage is less; Can effectively improve the induction air flow ratio of turbine wheel; Make full use of the available energy in the waste gas, the turbine output when increasing the low engine speed operating mode promotes boost pressure; The demand of the higher boost pressure when satisfying low engine speed; Improve the low-speed performance of motor and can reduce discharging, improved the acceleration responsiveness of motor simultaneously, reduced the sluggish influence of supercharging.
When motor is in the middling speed operating mode scope; The air inlet adjustment valve of spiral case right side air inlet outer flow passage is in full open position under the drive of air inlet adjustment control final controlling element; Thereby air inlet outer flow passage in spiral case right side is opened, at this moment, spiral case air inlet inner flow passage and spiral case right side air inlet outer flow passage co-operation; It is big that spiral case air inlet runner sectional area becomes; Can effectively satisfy the air inflow that gets into turbine wheel under the medium rotating speed of motor, improve motor combustion gas energy utilization ratio, satisfy the supercharging requirement under the medium rotating speed of motor.
When motor is in the high-speed working condition scope; The air inlet adjustment valve is in full open position simultaneously under the drive of air inlet adjustment control final controlling element; Thereby spiral case left side air inlet outer flow passage and spiral case right side air inlet outer flow passage are opened, and spiral case air inlet this moment inner flow passage, spiral case left side air inlet outer flow passage and spiral case right side air inlet outer flow passage are simultaneously in running order.The high-speed exhaust gas of discharging from motor gets into spiral case air inlet inner flow passage, spiral case left side air inlet outer flow passage and spiral case right side air inlet outer flow passage respectively; Spiral case air inlet runner working sections is long-pending to be increased; Again owing to be provided with guide vane at the non-blade nozzle place of spiral case left side air inlet outer flow passage; Can effectively guide inlet stream to get into turbine wheel, improve the turbine intake efficiency, thereby improved pressure ratio with suitable flow angle.
Turbine volute structure among the present invention and common pressurized machine worm frame is basic identical, simple in structure, inheritance is good, cost is low, easy Rapid Realization through engineering approaches, the air inlet regulating device in the structure is simple in structure, and control mode realizes that easily reliability is high.
Further specify below in conjunction with accompanying drawing with to the present invention.
Description of drawings
Accompanying drawing 1 is the cross-sectional view of the segmented spiral case of the band guide vane in the embodiment of the invention 1;
Accompanying drawing 2 is 0-180 degree cross section of fluid channel structural representations of the segmented spiral case of the band guide vane in the embodiment of the invention 1;
Accompanying drawing 3 is radial section structural representations of the segmented spiral case of the band guide vane in the embodiment of the invention 1;
Accompanying drawing 4 is 0-180 degree cross section of fluid channel structural representations of the segmented spiral case of the band guide vane in the embodiment of the invention 2;
Accompanying drawing 5 is segmented spiral case cross-sectional view under the low engine speed operating mode of the band guide vane in the embodiment of the invention 2;
Accompanying drawing 6 is segmented spiral case cross-sectional view under the medium engine speed operating mode of the band guide vane in the embodiment of the invention 2;
Accompanying drawing 7 is segmented spiral case cross-sectional view under the high engine speeds operating mode of the band guide vane in the embodiment of the invention 2;
Among the figure: the 1-turbine volute; 2-spiral case suction port; 3-spiral case air outlet; 4-spiral case diffusion passage; 5-left side pneumatic barrier; 6-right side pneumatic barrier; 7-spiral case left side air inlet outer flow passage; 8-spiral case air inlet inner flow passage; 9-spiral case right side air inlet outer flow passage; 10-air inlet adjustment valve; Outer flow passage control room, 11-left side; Outer flow passage control room, 12-right side; 13-air inlet adjustment valve fitting surface; 14-outer flow passage upper end cap; The 15-non-blade nozzle; The 16-guide vane; 17-spiral case left side air inlet outer flow passage inwall.
Embodiment
Embodiment 1, and like Fig. 1, shown in Figure 2, a kind of segmented spiral case with guide vane comprises:
Turbine volute 1 is provided with spiral case air inlet runner and spiral case diffusion passage 4 in the said turbine volute 1, be respectively equipped with spiral case suction port 2 that is communicated with the spiral case air inlet runner and the spiral case air outlet 3 that is communicated with spiral case diffusion passage 4 on the said turbine volute 1;
Be provided with left side pneumatic barrier 5 and right side pneumatic barrier 6 in the said spiral case air inlet runner;
Said left side pneumatic barrier 5 becomes spiral case left side air inlet outer flow passage 7, spiral case air inlet inner flow passage 8 and spiral case right side air inlet outer flow passage 9 with right side pneumatic barrier 6 with the spiral case air inlet runner at interval;
Said spiral case left side air inlet outer flow passage 7 and spiral case right side air inlet outer flow passage 9 are respectively equipped with the air inlet adjustment control gear near the position at spiral case suction port 2 places.
Said air inlet adjustment control gear comprises the air inlet adjustment valve 10 at the suction port place that is installed in spiral case left side air inlet outer flow passage 7 and spiral case right side air inlet outer flow passage 9 respectively, and said air inlet adjustment valve 10 is connected with air inlet adjustment control final controlling element;
When motor was in low speed operating mode scope, two air inlet adjustment valves 10 were closed simultaneously, i.e. spiral case left side air inlet outer flow passage 7 is in closed condition simultaneously with spiral case right side air inlet outer flow passage 9; Spiral case air inlet inner flow passage 8 is in running order separately;
When motor was in middling speed operating mode scope, the regulating valve 10 that is installed in spiral case left side air inlet outer flow passage 7 suction port places was closed, and spiral case left side air inlet outer flow passage 7 is in closed condition, and spiral case right side air inlet outer flow passage 9 is in running order with spiral case air inlet inner flow passage 8;
In the time of in motor is in the high-speed working condition scope, two air inlet adjustment valves 10 are opened simultaneously, and spiral case air inlet inner flow passage 8, spiral case left side air inlet outer flow passage 7 and spiral case right side air inlet outer flow passage 9 are simultaneously in running order.
Said left side pneumatic barrier 5 and right side pneumatic barrier 6 and 1 casting integrated connection of turbine volute;
Said spiral case suction port 2 is single suction port; The suction port of said spiral case air inlet inner flow passage 8 is connected with spiral case suction port 2, and the suction port of said spiral case left side air inlet outer flow passage 7 and said spiral case right side air inlet outer flow passage 9 is connected with the suction port of spiral case air inlet inner flow passage 8 respectively.
The sectional area of said spiral case left side air inlet outer flow passage 7 is greater than the sectional area of said spiral case right side air inlet outer flow passage 9.
For the cross section of fluid channel that guarantees to be designed meets the designing requirement of A/R value, the sectional area sum of said spiral case left side air inlet outer flow passage 7 and spiral case right side air inlet outer flow passage 9 is 0.3-1.1 times of sectional area of spiral case air inlet inner flow passage 8.
Said spiral case left side air inlet outer flow passage 7 and spiral case right side air inlet outer flow passage 9 lay respectively at the both sides of spiral case air inlet inner flow passage 8, and the cross section of said spiral case left side air inlet outer flow passage 7 is an arc, and its outer end extends to the outside of spiral case air inlet inner flow passage 8.
Air inlet outer flow passage 7, spiral case right side air inlet outer flow passage 9 and spiral case air inlet inner flow passage 8 are respectively equipped with non-blade nozzle 15 near the position of spiral case diffusion passage 4 on the left of the said spiral case.
Like Fig. 2, shown in Figure 3; During the high engine speeds operating mode; For making full use of the exhaust energy of motor; The flow through air-flow of spiral case left side air inlet outer flow passage of assurance gets into turbine wheel with suitable flow angle, improves intake efficiency, in said spiral case left side air inlet outer flow passage 7, evenly is provided with some wing blade pneumatic type guide vanes 16 ringwise near non-blade nozzle 15 places.
One end of said guide vane 16 is connected with spiral case left side air inlet outer flow passage inwall 17 integrally castings, and the other end is connected with the inwall integrally casting that left side pneumatic barrier 5 is positioned at spiral case left side air inlet outer flow passage 7 one sides.
Be provided with outer flow passage control room, left side 11 between the suction port of said spiral case left side air inlet outer flow passage 7 and spiral case left side air inlet outer flow passage 7; Be provided with outer flow passage control room, right side 12 between the suction port of said spiral case right side air inlet outer flow passage 9 and spiral case right side air inlet outer flow passage 9.
Said air inlet adjustment valve 10 is installed in respectively in outer flow passage control room 11, left side and the outer flow passage control room, right side 12.
Said air inlet adjustment valve 10 is provided with air inlet adjustment valve fitting surface 13 respectively near the suction port of spiral case left side air inlet outer flow passage 7 and the suction port place of spiral case right side air inlet outer flow passage 9, thereby realizes the sealing of air inlet adjustment valve.
Be respectively equipped with outer flow passage upper end cap 14 on outer flow passage control room, said left side 11 and the outer flow passage control room, right side 12, to realize spacing to the sealing of inlet stream and air inlet adjustment valve.
As shown in Figure 5, when motor was in low speed operating mode scope, air inlet adjustment valve 10 was in closed condition simultaneously under the drive of air inlet adjustment control final controlling element; Be about to spiral case left side air inlet outer flow passage 7 and close simultaneously with spiral case right side air inlet outer flow passage 9, at this moment, all waste gases of discharging from the motor spiral case air inlet inner flow passage 8 of only flowing through; Because the sectional area ratio of spiral case air inlet inner flow passage 8 is less, can effectively improve the induction air flow ratio of turbine wheel, make full use of the available energy in the waste gas; Turbine output when increasing the low engine speed operating mode; Promote boost pressure, the demand of the higher boost pressure when satisfying low engine speed improves the low-speed performance of motor and can reduce discharging; Improve the acceleration responsiveness of motor simultaneously, reduced the sluggish influence of supercharging.
As shown in Figure 6, when motor was in middling speed operating mode scope, the regulating valve 10 of spiral case left side air inlet outer flow passage 7 was in closed condition, and spiral case left side air inlet outer flow passage 7 is not worked.And the air inlet adjustment valve 10 of spiral case right side air inlet outer flow passage 9 is in open mode under the drive of air inlet adjustment control final controlling element; Thereby spiral case right side air inlet outer flow passage 9 is opened, at this moment, spiral case air inlet inner flow passage 8 and spiral case right side air inlet outer flow passage 9 co-operation; It is big that spiral case air inlet runner sectional area becomes; Can effectively satisfy the charge flow rate that gets into turbine wheel under the medium rotating speed of motor, improve motor combustion gas energy utilization ratio, satisfy the supercharging requirement under the medium rotating speed of motor.
As shown in Figure 7; In the time of in motor is in the high-speed working condition scope; Two air inlet adjustment valves 10 are in open mode simultaneously under the drive of air inlet adjustment control final controlling element; Thereby spiral case left side air inlet outer flow passage 7 is opened with spiral case right side air inlet outer flow passage 9, and at this moment, spiral case air inlet inner flow passage 8, spiral case left side air inlet outer flow passage 7 and spiral case right side air inlet outer flow passage 9 are simultaneously in running order.The high-speed exhaust gas of discharging from motor gets into spiral case air inlet inner flow passage 8, spiral case left side air inlet outer flow passage 7 and spiral case right side air inlet outer flow passage 9 respectively; Again owing to be provided with guide vane 16 at non-blade nozzle 15 places of spiral case left side air inlet outer flow passage 7; Can effectively guide inlet stream to get into turbine wheel, improve the turbine intake efficiency with suitable flow angle.
The present invention adopts such scheme, and said spiral case air inlet inner flow passage is often to drive flow channel into, and spiral case left side air inlet outer flow passage and spiral case right side air inlet outer flow passage are under the control of air inlet adjustment control final controlling element to be opened or closed state.Through regulating spiral case air inlet sectional area, satisfy under the different operating modes, get into the air inflow of spiral case air inlet runner, realize the function of variable-area turbine, satisfy the boost demand under the full operating mode of motor.This worm frame design is the improvement of on the conventional volute basis, carrying out, and simple in structure, inheritance is good, realizes the through engineering approaches of product easily.
Claims (13)
1. segmented spiral case with guide vane comprises:
Turbine volute (1); Be provided with spiral case air inlet runner and spiral case diffusion passage (4) in the said turbine volute (1), be respectively equipped with spiral case suction port (2) that is communicated with the spiral case air inlet runner and the spiral case air outlet (3) that is communicated with spiral case diffusion passage (4) on the said turbine volute (1);
It is characterized in that:
Be provided with left side pneumatic barrier (5) and right side pneumatic barrier (6) in the said spiral case air inlet runner;
Said left side pneumatic barrier (5) and right side pneumatic barrier (6) become spiral case left side air inlet outer flow passage (7), spiral case air inlet inner flow passage (8) and spiral case right side air inlet outer flow passage (9) at interval with the spiral case air inlet runner;
The position that said spiral case left side air inlet outer flow passage (7) and spiral case right side air inlet outer flow passage (9) are located near spiral case suction port (2) is respectively equipped with the air inlet adjustment control gear.
2. the segmented spiral case of band guide vane according to claim 1 is characterized in that:
Said air inlet adjustment control gear comprises the air inlet adjustment valve (10) at the suction port place that is installed in spiral case left side air inlet outer flow passage (7) and spiral case right side air inlet outer flow passage (9) respectively, and said air inlet adjustment valve (10) is connected with air inlet adjustment control final controlling element;
When motor was in low speed operating mode scope, two air inlet adjustment valves (10) were closed simultaneously, and promptly spiral case left side air inlet outer flow passage (7) and spiral case right side air inlet outer flow passage (9) are in closed condition simultaneously; Spiral case air inlet inner flow passage (8) is in running order separately;
When motor is in middling speed operating mode scope; The air inlet adjustment valve (10) that is installed in air inlet outer flow passage (7) suction port place, spiral case left side is closed; Spiral case left side air inlet outer flow passage (7) is in closed condition, and spiral case right side air inlet outer flow passage (9) and spiral case air inlet inner flow passage (8) are in running order;
When motor was in the high-speed working condition scope, two air inlet adjustment valves (10) were opened simultaneously, and spiral case air inlet inner flow passage (8), spiral case left side air inlet outer flow passage (7) and spiral case right side air inlet outer flow passage (9) are simultaneously in running order.
3. the segmented spiral case of band guide vane according to claim 2 is characterized in that:
The suction port of said spiral case air inlet inner flow passage (8) is connected with spiral case suction port (2), and the suction port of said spiral case left side air inlet outer flow passage (7) and said spiral case right side air inlet outer flow passage (9) is connected with the suction port of spiral case air inlet inner flow passage (8) respectively.
4. the segmented spiral case of band guide vane according to claim 3 is characterized in that:
Said spiral case left side air inlet outer flow passage (7) and spiral case right side air inlet outer flow passage (9) lay respectively at the both sides of spiral case air inlet inner flow passage (8) and laterally arrange side by side.
5. the segmented spiral case of band guide vane according to claim 3 is characterized in that:
Said spiral case left side air inlet outer flow passage (7) and spiral case right side air inlet outer flow passage (9) lay respectively at the both sides of spiral case air inlet inner flow passage (8); The cross section of said spiral case left side air inlet outer flow passage (7) is an arc, and its outer end extends to the outside of spiral case air inlet inner flow passage (8).
6. according to the segmented spiral case of claim 4 or 5 described band guide vanes, it is characterized in that:
The sectional area of said spiral case left side air inlet outer flow passage (7) is greater than the sectional area of said spiral case right side air inlet outer flow passage (9).
7. the segmented spiral case of band guide vane according to claim 6 is characterized in that:
The sectional area sum of said spiral case left side air inlet outer flow passage (7) and spiral case right side air inlet outer flow passage (9) is 0.3-1.1 times of sectional area of spiral case air inlet inner flow passage (8).
8. the segmented spiral case of band guide vane according to claim 7 is characterized in that: said spiral case left side air inlet outer flow passage (7), spiral case right side air inlet outer flow passage (9) and spiral case air inlet inner flow passage (8) are respectively equipped with non-blade nozzle (15) near the position of spiral case diffusion passage (4).
9. the segmented spiral case of band guide vane according to claim 8 is characterized in that: locate evenly to be provided with ringwise some wing blade pneumatic type guide vanes (16) near non-blade nozzle (15) in the said spiral case left side air inlet outer flow passage (7).
10. the segmented spiral case of band guide vane according to claim 9 is characterized in that:
One end of said guide vane (16) is connected with spiral case left side air inlet outer flow passage inwall (17) integrally casting, and the other end is connected with the inwall integrally casting that left side pneumatic barrier (5) is positioned at spiral case left side air inlet outer flow passage (7) one sides.
11. the segmented spiral case of band guide vane according to claim 10 is characterized in that:
Be provided with outer flow passage control room (11), left side between the suction port of said spiral case left side air inlet outer flow passage (7) and spiral case left side air inlet outer flow passage (7); Be provided with outer flow passage control room, right side (12) between the suction port of said spiral case right side air inlet outer flow passage (9) and spiral case right side air inlet outer flow passage (9).
12. the segmented spiral case of band guide vane according to claim 11 is characterized in that:
The air inlet adjustment valve (10) that is installed in the suction port place of spiral case left side air inlet outer flow passage (7) is positioned at outer flow passage control room (11), left side;
The air inlet adjustment valve (10) that is installed in the suction port place of spiral case right side air inlet outer flow passage (9) is positioned at outer flow passage control room, right side (12).
13. the segmented spiral case of band guide vane according to claim 12; It is characterized in that: be respectively equipped with outer flow passage upper end cap (14) on outer flow passage control room, said left side (11) and the outer flow passage control room, right side (12), to realize spacing to the sealing of inlet stream and air inlet adjustment valve.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210006737.5A CN102562186B (en) | 2012-01-11 | 2012-01-11 | Sectional type volute with guide vanes |
| PCT/CN2012/000429 WO2013104091A1 (en) | 2012-01-11 | 2012-03-31 | Segmented volute casing with guide vanes |
| US14/328,676 US20140321992A1 (en) | 2012-01-11 | 2014-07-10 | Volute |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210006737.5A CN102562186B (en) | 2012-01-11 | 2012-01-11 | Sectional type volute with guide vanes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102562186A true CN102562186A (en) | 2012-07-11 |
| CN102562186B CN102562186B (en) | 2015-03-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210006737.5A Active CN102562186B (en) | 2012-01-11 | 2012-01-11 | Sectional type volute with guide vanes |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20140321992A1 (en) |
| CN (1) | CN102562186B (en) |
| WO (1) | WO2013104091A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532868A (en) * | 2021-05-27 | 2021-10-22 | 中国航发南方工业有限公司 | Air inlet heating system of test bed of scroll engine |
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| US7269950B2 (en) * | 2004-05-05 | 2007-09-18 | Precision Industries, Inc. | Staged turbocharger |
| US7428814B2 (en) * | 2006-03-08 | 2008-09-30 | Melvin Hess Pedersen | Turbine assemblies and related systems for use with turbochargers |
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- 2012-01-11 CN CN201210006737.5A patent/CN102562186B/en active Active
- 2012-03-31 WO PCT/CN2012/000429 patent/WO2013104091A1/en active Application Filing
-
2014
- 2014-07-10 US US14/328,676 patent/US20140321992A1/en not_active Abandoned
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| JPH0230927A (en) * | 1988-07-20 | 1990-02-01 | Hitachi Ltd | Three scroll turbine case |
| DE4307098A1 (en) * | 1993-03-06 | 1994-09-08 | Daimler Benz Ag | Exhaust turbocharger |
| CN101598038A (en) * | 2009-07-03 | 2009-12-09 | 寿光市康跃增压器有限公司 | Two-layer flow path variable area turbine of turbine supercharger |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113532868A (en) * | 2021-05-27 | 2021-10-22 | 中国航发南方工业有限公司 | Air inlet heating system of test bed of scroll engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102562186B (en) | 2015-03-04 |
| WO2013104091A1 (en) | 2013-07-18 |
| US20140321992A1 (en) | 2014-10-30 |
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Denomination of invention: Segmented volute with guide vanes Effective date of registration: 20220701 Granted publication date: 20150304 Pledgee: Shandong Shouguang Rural Commercial Bank Co.,Ltd. Pledgor: Kangyue Technology (Shandong) Co.,Ltd. Registration number: Y2022980009719 |
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