CN2687354Y - Compact turbo supercharger - Google Patents
Compact turbo supercharger Download PDFInfo
- Publication number
- CN2687354Y CN2687354Y CNU2004200243645U CN200420024364U CN2687354Y CN 2687354 Y CN2687354 Y CN 2687354Y CN U2004200243645 U CNU2004200243645 U CN U2004200243645U CN 200420024364 U CN200420024364 U CN 200420024364U CN 2687354 Y CN2687354 Y CN 2687354Y
- Authority
- CN
- China
- Prior art keywords
- turbine
- valve
- turbine wheel
- diaphragm
- wheel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
Landscapes
- Supercharger (AREA)
Abstract
The utility model relates to the technical field of the inner combustion engine supercharger used for vehicle, in particular to a turbine wheel supercharger used for the multi-cylinder vehicle diesel of small cylinder diameter comprising a turbine wheel, a gas compressor of centrifugal type coaxial with the turbine wheel and a gas discharging valve of diaphragm type. The turbine wheel is provided with a turbine wheel volute shell of which inner portion is provided with a turbine wheel blade wheel. The gas compressor is provided with a gas compressor shell of which inner portion is provided with a gas compressor blade wheel. The gas discharging valve of diaphragm type is provided with a valve body, a regulating screw rod, a valve rod, a diaphragm and a spring. The diameters of the blade wheel of the gas compressor and the blade wheel of the turbine wheel are smaller than 44mm. The airflow conducts slant flowing in the blade wheel of the turbine wheel and the included angle alpha of the airflow direction and the rotating flat surface is between 25 to 30 DEG C. The head portion of the valve body of the gas discharging valve of diaphragm type is conical shape. The valve body, the regulating screw rod and the valve rod are positioned on the same axle line. The compact turbine wheel supercharger of the utility model has compact structure, small dimension, light rotor and high efficiency to satisfy the supercharging matching requirements of the inner combustion engine of lower power of which spatial arrangement is compact and surface is wide used for vehicle.
Description
Affiliated technical field
The utility model relates to Vehicular internal combustion engine pressurized machine technical field, especially a kind ofly is used for little cylinder diameter multi-cylinder diesel engine for automobile turbosupercharger.
Background technique
Exhaust-gas turbocharger generally is divided into axial flow and radial-flow type two big classes, in the axial-flow turbine airflow direction roughly with parallel axes, its flow is big, flow efficiency height, but complex structure, rotating speed is low, volume is bigger.Air-flow radial inflow in the radial turbine axially flows out, because zig zag, energy loss is more, and its efficient is low than axial flow.
Summary of the invention
In order to overcome the deficiency of existing exhaust-gas turbocharger, the purpose of this utility model provides a kind of compact structure, size is little, rotor is light, efficient is high shrunk type turbosupercharger, to satisfy the requirement with the very compact low power vehicle supercharging of internal combustion engine coupling of the spatial arrangement that has a large capacity and a wide range.
The technological scheme that its technical problem that solves the utility model adopts is: a kind of shrunk type turbosupercharger, has a turbine, one centrifugal-flow compressor and the diaphragm type bleed valve coaxial with turbine, the diaphragm type bleed valve is arranged on opposite side relative with gas compressor on the turbine, turbine has turbine volute, be provided with turbine wheel in the turbine volute, gas compressor has compressor casing, be provided with compressor impeller in the compressor casing, the diaphragm type bleed valve has valve body, adjusting screw rod, valve rod, diaphragm and spring, valve body is fixedlyed connected with adjusting screw rod, valve rod, spring is separately positioned on the diaphragm both sides, valve rod one end is threaded with adjusting screw rod, the other end is close to diaphragm, and spring is pressed on the diaphragm, and the diameter of compressor impeller and turbine wheel is less than 44mm, air-flow is obliquely flow in turbine wheel, airflow direction and plane of rotation angle α are 25～30 ℃, and the valve head of diaphragm type bleed valve is conical, valve body, adjusting screw rod, valve rod is installed on the same axis.
Further: for reducing experimental manufacturing cost, shorten trial-produce period, accelerate the development rate of new pressure-increasing machine type, be provided with between the suction flange of described turbine volute and zero cross section and insert, the one side of the inserting spiral case inwall of fitting, three formations of other of another side and spiral case airflow path.
The beneficial effect of shrunk type turbosupercharger of the present utility model is that impeller diameter is little, has both dwindled overall dimensions, has improved the acceleration of internal-combustion engine again; The air-flow oblique flow, flow losses are little, and turbine efficiency is high by 2%～3% than radial-flow type; The oblique inflow impeller of waste gas, it is tilting to be convenient to turbine volute, and the external dimension of turbine case reduce 3%～5% than the radial turbine with the diameter impeller; The bleed valve axial regulating mechanism takes up space little than conventional rocking arm type controlling mechanism, make the turbine volute radial dimension reduce 20%～30%; The formula of inserting turbine volute, zero section area is adjustable, has reduced experimental manufacturing cost, has shortened trial-produce period, accelerates the development rate of new pressure-increasing machine type.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the structural representation of the utility model shrunk type turbosupercharger.
Fig. 2 is the airflow direction schematic representation of the utility model shrunk type turbosupercharger diagonal flow type impeller.
Fig. 3 is the airflow direction schematic representation of general radial flow impeller.
Fig. 4 is the structural representation of diaphragm type bleed valve of axial adjustment of the conical surface seal of the utility model shrunk type turbosupercharger.
Fig. 5 is the structural representation of diaphragm type bleed valve of the side rocking arm type of general plane sealing.
Fig. 6 is the structural representation of the formula of the inserting turbine volute of the utility model shrunk type turbosupercharger.
Fig. 7 is the structural representation of general integrated type turbine volute.
1. turbines among the figure, 11. turbine volute, 111. suction flanges, 112. zero cross sections, 113. insert, 12. turbine wheels, 2. centrifugal-flow compressor, 3. diaphragm type bleed valve, 31. valve bodies, 32. adjusting screw rods, 33. valve rods, 34. diaphragms, 35. springs.
Embodiment
As Fig. 1,2,4, the utility model shrunk type turbosupercharger shown in 6 has a turbine 1, one centrifugal-flow compressor 2 and the diaphragm type bleed valve 3 coaxial with turbine, diaphragm type bleed valve 3 is arranged on the turbine 1 opposite side relative with gas compressor 2, turbine 1 has turbine volute 11, be provided with turbine wheel 12 in the turbine volute 11, gas compressor 2 has compressor casing, be provided with compressor impeller in the compressor casing, diaphragm type bleed valve 3 has valve body 31, adjusting screw rod 32, valve rod 33, diaphragm 34 and spring 35, valve body 31 is fixedlyed connected with adjusting screw rod 32, valve rod 33, spring 35 is separately positioned on diaphragm 34 both sides, valve rod 33 1 ends are threaded with adjusting screw rod 32, the other end is close to diaphragm 34, spring 35 is pressed on the diaphragm 34, the diameter of compressor impeller and turbine wheel 12 is less than 44mm, air-flow obliquely flow in turbine wheel 12, airflow direction and plane of rotation angle α are 25～30 ℃, valve body 31 heads of diaphragm type bleed valve 3 are conical, valve body 31, adjusting screw rod 32, valve rod 33 is installed on the same axis, be provided with between the suction flange 111 of turbine volute 11 and zero cross section 112 and insert 113,113 one side turbine volute 11 inwalls of fitting of inserting, three formations of other of another side and turbine volute 11 airflow path.
During work, the waste gas that the shrunk type turbosupercharger is discharged internal-combustion engine further does work by turbine 1, enter internal-combustion engine with the coaxial centrifugal-flow compressor 2 of turbine after with the inhaled air compression, internal-combustion engine is owing to increased air density, thereby for it improves specific power, reduce specific fuel consumption, reduce discharging and created condition.
The diagonal flow type impeller 12 of the utility model shrunk type turbosupercharger as shown in Figure 2, when waste gas flows into impeller 12, angle α=25 of airflow direction and impeller 12 plane of rotation °～30 °, compare with the waste gas radial inflow impeller of general radial flow impeller shown in Figure 3, the air-flow oblique flow, flow losses are little, turbine efficiency is high by 2%～3% than radial-flow type, it is tilting that the oblique inflow impeller 12 of waste gas is convenient to turbine volute 11, and the external dimension ratio of turbine volute 11 reduces 3%～5% with the radial turbine of the impeller of diameter.
The diaphragm type bleed valve 3 of the axial adjustment of the conical surface seal of the utility model shrunk type turbosupercharger is as shown in Figure 4 compared with the diaphragm type bleed valve of the side rocking arm type of general plane sealing shown in Figure 5, diaphragm type bleed valve 3 radial dimensions of the axial adjustment of conical surface seal are little, good sealing effect, the valve rod 33 of diaphragm type bleed valve 3, adjusting screw rod 32 and valve body 31 are installed on the same axis, after gas compressor 2 outlet pressure Pk surpass setting value, diaphragm 34 overcomes spring 35 pretightening forces, drive valve rod 33, adjusting screw rod 32 and valve body 31 move right, diaphragm type bleed valve 3 is opened, engine exhaust is outside turbine 1 import bypass effusion machine, after Pk is less than setting value, diaphragm 34 moves to left under spring 35 power effects, actuate valve stem 33, adjusting screw rod 32 and valve body 31 are moved to the left, and diaphragm type bleed valve 3 cuts out.
The formula of the inserting turbine volute 11 of the utility model shrunk type turbosupercharger as shown in Figure 6, between turbine volute 11 suction flanges 111 and zero cross section 112, be provided with and insert 113,113 one side turbine volute 11 inwalls of fitting of inserting, three formations of other of another side and turbine volute 11 airflow path.Zero 112 places, cross section since be bumped into different-thickness insert 113, changed the size in zero cross section 112, when zero cross section 112 reduces, the initial velocity that expression flows into turbine volute 11 increases, the corresponding increase of non-blade nozzle exit flow speed, wheel rotation speeds up, and compressor delivery pressure raises, and vice versa.Compare with the nonadjustable integrated type turbine volute of general zero section area as shown in Figure 7, its zero section area is adjustable, has reduced experimental manufacturing cost, has shortened trial-produce period, has accelerated the development rate of new pressure-increasing machine type.
Claims (2)
1. shrunk type turbosupercharger, has a turbine (1), one centrifugal-flow compressor (2) and the diaphragm type bleed valve (3) coaxial with turbine, diaphragm type bleed valve (3) is arranged on turbine (1) and goes up and the relative opposite side of gas compressor (2), turbine (1) has turbine volute (11), be provided with turbine wheel (12) in the turbine volute (11), gas compressor (2) has compressor casing, be provided with compressor impeller in the compressor casing, diaphragm type bleed valve (3) has valve body (31), adjusting screw rod (32), valve rod (33), diaphragm (34) and spring (35), valve body (31) is fixedlyed connected with adjusting screw rod (32), valve rod (33), spring (35) is separately positioned on diaphragm (34) both sides, valve rod (33) one ends are threaded with adjusting screw rod (32), the other end is close to diaphragm (34), spring (35) is pressed on the diaphragm (34), it is characterized in that: the diameter of compressor impeller and turbine wheel (12) is less than 44mm, air-flow obliquely flow in turbine wheel (12), airflow direction and plane of rotation angle α are 25～30 ℃, valve body (31) head of diaphragm type bleed valve (3) is conical, valve body (31), adjusting screw rod (32), valve rod (33) is installed on the same axis.
2. shrunk type turbosupercharger according to claim 1, it is characterized in that: be provided with insert (113) between the suction flange (111) of described turbine volute (11) and zero cross section (112), (113) one side of inserting turbine volute (11) inwall of fitting, three formations of other of another side and turbine volute (11) airflow path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200243645U CN2687354Y (en) | 2004-01-15 | 2004-01-15 | Compact turbo supercharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200243645U CN2687354Y (en) | 2004-01-15 | 2004-01-15 | Compact turbo supercharger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2687354Y true CN2687354Y (en) | 2005-03-23 |
Family
ID=34669731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200243645U Expired - Fee Related CN2687354Y (en) | 2004-01-15 | 2004-01-15 | Compact turbo supercharger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2687354Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102061980A (en) * | 2010-12-14 | 2011-05-18 | 湖南天雁机械有限责任公司 | Turbocharger with electrically controlled mechanical valve |
| CN101952568B (en) * | 2008-02-26 | 2013-06-12 | 三菱重工业株式会社 | Exhaust bypass valve for turbocharger |
| CN103670628A (en) * | 2013-12-19 | 2014-03-26 | 湖南大学 | Exhaust turbine generator |
| CN106032758A (en) * | 2015-03-17 | 2016-10-19 | 通用电器技术有限公司 | Scroll of turbine |
| CN107131522A (en) * | 2017-06-13 | 2017-09-05 | 南京航空航天大学 | A kind of scroll casing type short distance transition apparatus being used between internal combustion wave rotor and turbine |
-
2004
- 2004-01-15 CN CNU2004200243645U patent/CN2687354Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101952568B (en) * | 2008-02-26 | 2013-06-12 | 三菱重工业株式会社 | Exhaust bypass valve for turbocharger |
| CN102061980A (en) * | 2010-12-14 | 2011-05-18 | 湖南天雁机械有限责任公司 | Turbocharger with electrically controlled mechanical valve |
| CN103670628A (en) * | 2013-12-19 | 2014-03-26 | 湖南大学 | Exhaust turbine generator |
| CN106032758A (en) * | 2015-03-17 | 2016-10-19 | 通用电器技术有限公司 | Scroll of turbine |
| CN107131522A (en) * | 2017-06-13 | 2017-09-05 | 南京航空航天大学 | A kind of scroll casing type short distance transition apparatus being used between internal combustion wave rotor and turbine |
| CN107131522B (en) * | 2017-06-13 | 2023-07-11 | 南京航空航天大学 | Spiral casing type short-distance transition device used between internal combustion wave rotor and turbine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4448853B2 (en) | Turbocharger system for an internal combustion engine consisting of a radial type compressor stage with a compressor wheel with swept blades | |
| CN101983281B (en) | Compressor | |
| US7942625B2 (en) | Compressor and compressor housing | |
| CN1910346A (en) | Curved face vane for turbocharger | |
| CN1433501A (en) | Variable nozzle turbocharger with sheet metal shroud | |
| CN105683525A (en) | Actuation pivot shaft face seal with u seal | |
| JP2012504202A (en) | Exhaust turbocharger for internal combustion engines | |
| CN101985897A (en) | Complex turbine device with variable section | |
| KR20150097576A (en) | Turbine housing with dividing vanes in volute | |
| CN2687354Y (en) | Compact turbo supercharger | |
| CN201802444U (en) | Compound turbine device with variable cross-section | |
| CN2257861Y (en) | Mixed-flow turbocharger | |
| CN201794626U (en) | Variable-section double-channel air inlet turbine | |
| CN101251129A (en) | Turbosupercharger air compressor with silencing function | |
| US20140271165A1 (en) | Variable a/r turbine housing | |
| CN113931735A (en) | Turbocharger with variable-geometry compressor | |
| CN201908694U (en) | Variable section axial flow compound turbocharging device | |
| JP4448854B2 (en) | Turbo compressor system for an internal combustion engine with an impeller comprising a radial type compressor and having a swept wing | |
| CN111456971A (en) | Compressor casing of exhaust gas turbocharger | |
| CN201196165Y (en) | Rotary vane type pressure-expansion gas compressor with blade | |
| CN101298871A (en) | Rotary vane type air compressor with blade to enlarge pressure | |
| CN216342436U (en) | Turbocharger with variable-geometry compressor | |
| CN2743586Y (en) | New type impeller of booster air compressor for diesel locomotive | |
| CN219452187U (en) | Variable cross-section blade and nozzle ring | |
| CN212454961U (en) | Compressor casing of exhaust gas turbocharger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050323 Termination date: 20100219 |