WO2016029622A1 - Système turbocompresseur à gaz d'échappement possédant des buses réglables à trois niveaux - Google Patents

Système turbocompresseur à gaz d'échappement possédant des buses réglables à trois niveaux Download PDF

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Publication number
WO2016029622A1
WO2016029622A1 PCT/CN2015/000584 CN2015000584W WO2016029622A1 WO 2016029622 A1 WO2016029622 A1 WO 2016029622A1 CN 2015000584 W CN2015000584 W CN 2015000584W WO 2016029622 A1 WO2016029622 A1 WO 2016029622A1
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WO
WIPO (PCT)
Prior art keywords
nozzle
adjustable
fixed
exhaust gas
turbine
Prior art date
Application number
PCT/CN2015/000584
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English (en)
Chinese (zh)
Inventor
施永强
Original Assignee
施永强
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 施永强 filed Critical 施永强
Publication of WO2016029622A1 publication Critical patent/WO2016029622A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • 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
    • F01D17/16—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes
    • 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
    • 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

Definitions

  • the invention relates to an exhaust gas turbocharger system with a three-stage adjustable nozzle, belonging to the technical field of machinery.
  • exhaust gas turbocharger technology has been widely used in internal combustion engines to improve the output of internal combustion engines, reduce unit power consumption and reduce the emission of harmful gases and harmful particulate matter.
  • the supercharger will work in the non-efficient area during the working period, thereby reducing the supercharging effect and failing to achieve the energy saving and emission reduction index.
  • the current measures are to change the bladeless runner turbine shell 4 in the original structure to a three-stage nozzle with adjustable blades 1, 2, and 3, so that The nozzle outlet section changes with the need of the engine to change the operating conditions to expand the working range of the booster high-efficiency zone, achieving energy saving, increasing output power, and reducing emissions.
  • adjustable nozzle structure is an effective method to improve the aerodynamic performance of the turbine. It is also recognized as one of the most energy-saving and major environmental protection solutions for the world's turbocharger manufacturers. It has been gradually promoted and implemented. There are several different technical solutions:
  • turbocharger of the two-blade nozzle system applied by China Wuxi Kaidi Supercharger Parts Co., Ltd., Patent No. 201110233106.2; International Application No. PCT/CN2012/001087; US Application Acceptance No. 9376.
  • the turbocharger of the two-blade nozzle system proposed by China Wuxi Kaidi Supercharger Parts Co., Ltd. the new blade placed along the nozzle flow channel can reduce the cross-sectional area of the flow channel and divide the original nozzle into two air passages. Reduce lateral flow loss of airflow. At the same time, the airflow still flows at the optimum airflow angle of the original design, which improves the expansion of the turbine high efficiency zone.
  • the invention provides an exhaust gas turbocharger system with a three-stage adjustable nozzle.
  • the scope of the regulating flow passage is expanded to meet the achievement of a wider energy saving and environmental protection parameter index.
  • the supercharger includes a turbine casing, an intermediate casing provided with a boss in the middle portion, a turbine and a turbine drive shaft, and the exhaust turbine component is installed in the intermediate casing and fixed on the a turbine casing, the turbine is connected to the turbine drive shaft, the convex portion of the intermediate casing is disposed at the bottom of the turbine, the turbine is located in the volute cavity, and the supercharger further comprises a hat-shaped fixed blade nozzle ring with a hole in the middle, and a plurality of adjustable blades a nozzle, an adjustable cylindrical nozzle and two T-shaped levers, wherein the fixed end nozzles are provided with fixed nozzles on the side end faces thereof, and the fixed nozzles are disposed in the exhaust gas flow passage of the volute cavity and have a certain inclination angle with the flow direction of the exhaust gas flow, The fixed vane nozzle ring is pressed by the intermediate casing and the volute; the two T-
  • the transmission device comprises two spherical connecting rods, a transmission shaft base, a transmission shaft, a transmission plate and a connecting column, the T-shaped lever is provided with a radial hole, the spherical connecting rod is inserted into the T-shaped lever, and the two spherical shapes are A transmission shaft is connected between the connecting rods, and one end of the transmission shaft is vertically fixed with a transmission plate.
  • the outer side of the transmission plate is provided with a connecting column, and the outer diameter of the transmission shaft is installed in the inner hole of the transmission shaft seat, and the internal threads of the two ends of the transmission shaft are The two spherical links are connected and positioned.
  • the exhaust turbocharger system with the three-stage adjustable nozzle relates to adjusting the nozzle cross-sectional area in three stages: one set is a fixed nozzle, and the front edge of the turbine inlet is set according to the optimal air flow direction for intake.
  • a set of fixed nozzles for diversion the other is an axially movable adjustable vane nozzle and a third set of adjustable cylindrical nozzles mounted on the intermediate body, and the axially movable adjustable vane nozzle exits the fixed vane and can
  • the cylindrical nozzle is adjusted, the nozzle outlet section is the largest.
  • the adjustable vane nozzle and the adjustable cylindrical nozzle gradually move toward the fixed vane, the cross-sectional area of the scroll flow passage will be gradually reduced until the nozzle area is minimized.
  • the transmission device adopts a positive pressure valve execution valve, a negative pressure valve actuator or a solenoid valve to connect the upper connecting column for direct movement, and through the transmission plate, the linear motion is converted into a rotary motion to drive the transmission shaft to rotate, and the rotation shaft rotates to reach the spherical shape.
  • the connecting rod swings, because the spherical connection is connected with the 90° of the T-shaped lever, the T-shaped lever is linearly moved, and finally the adjustable vane nozzle and the adjustable cylindrical nozzle are controlled.
  • a drive shaft base is added to the shape of the intermediate body for axial movement of the fixed T-shaped lever, and the T-shaped lever is installed in the two bushings of special materials.
  • Figure 1 is a cross-sectional view of an exhaust gas turbocharger system having a three-stage adjustable nozzle of the present invention
  • FIG. 2 is a structural view showing the connection of the transmission of the T-type lever of the present invention.
  • Figure 3 is a view showing the working structure of the first stage fixed vane nozzle ring of the present invention.
  • Figure 4 is a view showing the working structure of the two-stage adjustable vane nozzle of the present invention.
  • Figure 5 is a state diagram of the working structure of the three-stage cylindrical nozzle of the present invention.
  • FIG. 6 is a front elevational view of the T-shaped lever of the present invention.
  • FIG. 7 is a side view of the T-shaped lever of the present invention.
  • Figure 8 is a structural view of a spherical link of the present invention.
  • Figure 9 is a front elevational view of the drive shaft base of the present invention.
  • Figure 10 is a side view of the drive shaft base of the present invention.
  • Figure 11 is a front elevational view of the drive shaft of the present invention.
  • Figure 12 is a side view of the drive shaft of the present invention.
  • Figure 13 is a structural view of a drive plate of the present invention.
  • Figure 14 is a structural view of a connecting post of the present invention.
  • Figure 15 is a front elevational view showing the T-shaped lever of the present invention and two adjustable nozzles;
  • Figure 16 is a side view showing the connection of the T-shaped lever of the present invention and two adjustable nozzles;
  • Figure 17 is a schematic view showing the structure of an apparatus for driving an adjustable nozzle of the present invention.
  • the supercharger includes a turbine casing 4, an intermediate casing 7 provided with a boss in the middle, a turbine 5 and a turbine drive shaft, and the exhaust turbine component is installed in the intermediate casing and fixed to the turbine casing, the turbine
  • the casing has a built-in turbine drive shaft, the boss of the intermediate casing is disposed at the bottom of the turbine, and the turbine is located in the volute cavity, wherein the supercharger is further
  • the utility model comprises a hat-shaped fixed blade nozzle ring 1 with a hole in the middle, a plurality of adjustable blade nozzles 2, an adjustable cylindrical nozzle 3 and two T-shaped levers 6.
  • the fixed nozzles are arranged on the side end faces of the fixed blade nozzle rings.
  • a fixed nozzle is disposed in the exhaust gas flow path of the volute cavity and has a certain inclination angle with the flow direction of the exhaust gas, and the fixed blade nozzle ring is pressed by the intermediate case and the volute; the two T-shaped levers 6 vertically pass through the intermediate case, and Free axial movement is possible with respect to the intermediate casing; one end of the T-shaped lever is connected to the transmission device for controlling the T-shaped lever 6 for axial movement; the two T-shaped levers 6 are connected with the adjustable cylindrical nozzle 3, and the adjustable cylindrical nozzle 3
  • the adjustable vane nozzle 2 is fixed around the cylinder of the adjustable cylindrical nozzle 3; the T-shaped lever is axially moved in the direction of the fixed nozzle, and the adjustable vane nozzle 2 and the adjustable cylindrical nozzle 3 are respectively driven from the fixed vane
  • the end surface of the nozzle ring 1 and the hole protrude, the protruding amount of the adjustable cylindrical nozzle 3 lags behind the protruding amount of the adjustable blade nozzle 2
  • the transmission device comprises two ball connecting rods 8, a transmission shaft base 9, a transmission shaft 10, a transmission plate 11 and a connecting seat 12, the T-shaped lever is provided with a radial hole, and the spherical connecting rod is inserted into the T-shaped lever, two A transmission shaft is connected between the spherical connecting rods, and one end of the transmission shaft is vertically fixed with a transmission plate.
  • the outer side of the transmission plate is provided with a connecting column, and the middle portion of the transmission shaft is screwed to a driving shaft base.
  • the transmission device adopts a positive pressure valve execution valve, a negative pressure valve actuator or a solenoid valve to connect the upper connecting column for direct movement, and through the transmission plate, the linear motion is converted into a rotary motion to drive the transmission shaft to rotate, and the rotation shaft rotates to reach the spherical shape.
  • the connecting rod swings, because the spherical connection is connected with the 90° of the T-shaped lever, the T-shaped lever is linearly moved, and finally the adjustable vane nozzle and the adjustable cylindrical nozzle are controlled.
  • a drive shaft base is added to the shape of the intermediate body for axial movement of the fixed T-shaped lever, and the T-shaped lever is installed in the two bushings of special materials.
  • the adjustable cylindrical nozzle 3 is just at the outer circumference of the volute convex portion; the adjustable vane nozzle 2 is disposed at a cross direction with the fixed nozzle 13 in the same direction on the end surface of the fixed vane nozzle ring; the fixed nozzle 13 and the The shape of the blade nozzle 2 is in the shape of a wing; the angle of the inlet between the adjustable blade nozzle 2 and the fixed nozzle 13 and the exhaust gas flow ranges from 15° to 26°; the number of fixed blades 1 is 3-12, and the adjustable blade 2 The number of 3-12 can be set outside the blade, so the number of adjustable cylindrical nozzles 2 is 1-2; when the spherical link 8 is rotated by 25°, the T-shaped lever 6 moves linearly by 0-20 mm.
  • Three sets of nozzles are arranged in the scroll flow passage, and three sets of different nozzles are arranged in the flow passage of the turbine casing 4, and the two sets of hidden vane nozzles 2 and cylindrical nozzles 3 are used to reduce the cross-sectional area of the passage and reduce the lateral flow loss of the air flow.
  • the airflow can flow at the optimal airflow angle of the design at low speed and super high speed.
  • the fixed vane nozzle ring 1 is fixed in the inner cavity of the turbine casing 4, and is stepped by the intermediate body 7; two T-shaped levers 6 are connected to the back surface of the nozzle plate, and the T-shaped lever 6 is inserted into the intermediate casing 7 In the fixed bushing, the other end of the T-shaped lever 6 is connected to the ball link 8, and the ball link 8 is connected to the transmission shaft 10 in the 90° direction.
  • the connecting post 12 is connected to the device that drives the adjustable nozzle by the drive plate 11 on the drive shaft.
  • the device for driving the adjustable nozzle comprises a venting valve 15 or a solenoid valve, the venting valve 15 or the electromagnetic valve is connected to the transmission rod 14, the transmission rod 14 is connected to the connecting column 12, and the venting valve 15 or the electromagnetic valve is connected and vented.
  • the device moves the transmission rod connected to the electromagnetic valve or the deflation valve 15 in a linear motion by the intake air and the suction, and the transmission rod 14 drives the connecting column 12 to also move linearly.
  • the driving plate is linearly moved to drive the transmission shaft 10 and the structure connected thereto to perform linear motion; in addition, the spherical connecting rod 8 connected to both sides of the transmission shaft 10 adopts a plug-in connection, that is, the two ends of the transmission shaft 10 are provided.
  • the hole has a spherical connecting rod 8 inserted into the hole, and the ball-shaped connecting rod 8 has a shape of a vertebral body at the end of the insertion hole, and the end portion adopts a spherical body position larger than the hole diameter of the hole, and because of the shape of the vertebral body, the upper width is narrower, so
  • the ball-shaped connecting rod 8 has a certain buffering margin when it is linearly moved, and has the function of protecting the entire driving device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Supercharger (AREA)
  • Control Of Turbines (AREA)

Abstract

L'invention concerne un système turbocompresseur à gaz d'échappement possédant des buses réglables à trois niveaux, comprenant un distributeur de turbine à aubes fixes (1) en forme de capuchon pourvu d'un trou central, une pluralité de buses à aubes réglables (2), une buse cylindrique réglable (3), et deux leviers (6) en forme de T. Des buses fixes (13) sont réparties uniformément sur une face d'extrémité latérale du distributeur de turbine à aubes fixes (1), et une extrémité de chaque levier (6) en forme de T est reliée à un dispositif de transmission destiné à commander le levier (6) en forme de T afin qu'il se déplace dans le sens axial; la buse cylindrique réglable (3) est reliée entre les deux leviers (6) en forme de T, la buse cylindrique réglable (3) est de forme cylindrique, et les buses à aubes réglables (2) sont fixées à la périphérie cylindrique de la buse cylindrique réglable (3); et les leviers (6) en forme de T se déplacent axialement dans la direction des buses fixes (13), de façon à entraîner les buses à aubes réglables (2) en extension hors d'une face d'extrémité du distributeur de turbine à aubes fixes (1) et à entraîner la buse cylindrique réglable (3) en extension hors du trou du distributeur de turbine à aubes fixes. De par le fait que la superficie de section de sortie des buses change par le biais d'un mouvement axial, et que la superficie de section minimale peut être obtenue, la plage de réglage est étendue.
PCT/CN2015/000584 2014-08-28 2015-08-12 Système turbocompresseur à gaz d'échappement possédant des buses réglables à trois niveaux WO2016029622A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410433363.4A CN104196579B (zh) 2014-08-28 2014-08-28 一种具有三级可调喷嘴的废气涡轮增压器系统
CN201410433363.4 2014-08-28

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Publication Number Publication Date
WO2016029622A1 true WO2016029622A1 (fr) 2016-03-03

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CN (1) CN104196579B (fr)
WO (1) WO2016029622A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116291761A (zh) * 2023-03-18 2023-06-23 东台宏仁气体有限公司 一种膨胀机喷嘴结构

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104196579B (zh) * 2014-08-28 2016-01-06 施永强 一种具有三级可调喷嘴的废气涡轮增压器系统
CN107100677A (zh) * 2017-04-07 2017-08-29 奕森科技（上海）有限公司 一种固定叶片和可调叶片组合的喷嘴环组件
CN108317003A (zh) * 2018-04-04 2018-07-24 江苏凯迪航控系统股份有限公司 带电子快速启动组合装置的涡轮增压器

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WO2008095568A1 (fr) * 2007-02-09 2008-08-14 Bosch Mahle Turbo Systems Gmbh & Co. Kg Dispositif de réglage des aubes directrices pour une partie de turbine d'un dispositif de suralimentation
US20090249784A1 (en) * 2008-03-27 2009-10-08 Raed Hamada Variable turbine geometry of an exhaust gas turbocharger of a motor vehicle
CN102297016A (zh) * 2011-08-15 2011-12-28 无锡凯迪增压器配件有限公司 双叶片喷嘴系统的涡轮增压器
CN102900479A (zh) * 2012-10-30 2013-01-30 北京理工大学 一种集成于涡轮壳体上的可变喷嘴涡轮增压器调节机构
CN104196579A (zh) * 2014-08-28 2014-12-10 施永强 一种具有三级可调喷嘴的废气涡轮增压器系统
CN204024727U (zh) * 2014-08-28 2014-12-17 施永强 一种具有三级可调喷嘴的废气涡轮增压器系统

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JP4033978B2 (ja) * 1998-08-21 2008-01-16 株式会社アキタファインブランキング 可変ベーン型ターボチャージャ用タービンフレーム
CN101384796A (zh) * 2006-02-16 2009-03-11 博格华纳公司 包括可调引导叶片、叶片杠杆及其调整环的涡轮增压器
CN102182546B (zh) * 2011-04-22 2012-12-26 北京理工大学 可变喷嘴环混流涡轮增压器

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008095568A1 (fr) * 2007-02-09 2008-08-14 Bosch Mahle Turbo Systems Gmbh & Co. Kg Dispositif de réglage des aubes directrices pour une partie de turbine d'un dispositif de suralimentation
US20090249784A1 (en) * 2008-03-27 2009-10-08 Raed Hamada Variable turbine geometry of an exhaust gas turbocharger of a motor vehicle
CN102297016A (zh) * 2011-08-15 2011-12-28 无锡凯迪增压器配件有限公司 双叶片喷嘴系统的涡轮增压器
CN102900479A (zh) * 2012-10-30 2013-01-30 北京理工大学 一种集成于涡轮壳体上的可变喷嘴涡轮增压器调节机构
CN104196579A (zh) * 2014-08-28 2014-12-10 施永强 一种具有三级可调喷嘴的废气涡轮增压器系统
CN204024727U (zh) * 2014-08-28 2014-12-17 施永强 一种具有三级可调喷嘴的废气涡轮增压器系统

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116291761A (zh) * 2023-03-18 2023-06-23 东台宏仁气体有限公司 一种膨胀机喷嘴结构
CN116291761B (zh) * 2023-03-18 2024-01-30 东台宏仁气体有限公司 一种膨胀机喷嘴结构

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