CN212985309U - Volute with two-section arc Kent line structure and turbocharger - Google Patents
Volute with two-section arc Kent line structure and turbocharger Download PDFInfo
- Publication number
- CN212985309U CN212985309U CN202021521568.5U CN202021521568U CN212985309U CN 212985309 U CN212985309 U CN 212985309U CN 202021521568 U CN202021521568 U CN 202021521568U CN 212985309 U CN212985309 U CN 212985309U
- Authority
- CN
- China
- Prior art keywords
- circular arc
- volute
- arc section
- area
- kent
- 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.)
- Active
Links
- 230000007704 transition Effects 0.000 claims abstract description 18
- 239000002912 waste gas Substances 0.000 claims abstract description 13
- 239000007789 gas Substances 0.000 claims description 12
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
Images
Landscapes
- Supercharger (AREA)
Abstract
The utility model discloses a volute with two sections of arc-shaped Kent line structures, which comprises a volute body, wherein the volute body is provided with an air inlet area and an air outlet area, the inner wall of the volute body between the air inlet area and the air outlet area is provided with a transition curve, and an annular area formed by the rotation of the transition curve and a turbine back plate form a waste gas acting area; the transition curve comprises a straight line section, a first circular arc section and a second circular arc section which are formed on the inner wall of the volute body, one end of the straight line section extends to the air inlet area, the other end of the straight line section is connected with one end of the first circular arc section, the other end of the first circular arc section is connected with one end of the second circular arc section, and the other end of the second circular arc section extends to the air outlet area; the utility model discloses at the in-process that matches with the engine, can more meticulously adjust kent line according to the data of matching and enter into the geometry on the exhaust emission route from waste gas to control the inflation of waste gas on this route, reach the most efficient utilization of waste gas, make turbo charger obtain the highest efficiency.
Description
Technical Field
The utility model relates to a turbo charger technical field, concretely relates to volute and turbo charger with two sections circular arc formula kent line structures.
Background
The kenter line 21 of the vortex end of the engine exhaust gas turbocharger refers to a transition curve from an air inlet area 22 to an air outlet area 23 on the volute 2, and an exhaust gas power application area 24 is formed between an annular area formed by the rotation of the curve on the volute 2 and a turbine back plate, as shown in fig. 1. The path of the kent line 21 from the inlet region 22 to the outlet region 23 determines the expansion of the exhaust gas in this region, i.e. how much the exhaust gas can be converted into kinetic energy, and therefore the design of the kent line 21 has a great influence on the efficiency of the turbocharger. The existing kenter line 21 generally consists of a section of circular arc 211 and a section of straight line 212 tangent to the circular arc 211, and the kenter line 21 generally has four variables, namely an included angle a1 'between the straight line 212 and the inner bottom surface of the scroll 2, a distance L1' between the center of a circle where the circular arc is located and the inner bottom surface of the scroll 2, a radius R1 'of the gas outlet region 23 and a distance L2' between the center of a circle where the circular arc is located and the axis of the gas outlet region 23; however, because the above variables determining the kenter line path are small, the linear adjustability is poor, and when the turbocharger is matched with the engine, the requirement for optimizing the efficiency of the turbocharger cannot be met in many cases.
SUMMERY OF THE UTILITY MODEL
The utility model provides a be not enough to prior art, the utility model provides a volute and turbo charger with two sections circular arc formula kent line structures, it is through increasing one section circular arc section back on transition curve for the kent line that transition curve formed has more adjustable variable, so, in the matching of engine, can enter into the geometry on the exhaust emission route from waste gas according to the more meticulous regulation kent line of matching data, thereby control the inflation of waste gas on this route, reach the most efficient utilization of waste gas, make turbo charger obtain the highest efficiency.
The utility model discloses a volute with two sections circular arc formula kent line structure, including the volute body, be provided with air inlet area and air outlet area on the volute body, be provided with the transition curve on the inner wall of volute body between air inlet area and the air outlet area, the annular region that the transition curve rotation formed forms waste gas work area between turbine backplate; the transition curve is including forming straightway, first circular arc section and the second circular arc section on volute body inner wall, and the one end of straightway extends to air inlet zone department, and the other end of straightway is connected with the one end of first circular arc section, and the other end of first circular arc section is connected with the one end of second circular arc section, and the other end of second circular arc section extends to air outlet zone department.
The utility model discloses a volute with two sections circular arc formula kent line structure, wherein, the straightway is tangent with first circular arc section.
A turbocharger comprises the volute with the two-section arc Kent line structure.
The utility model discloses an increase one section circular arc section on transition curve after for the kent line that transition curve formed has more adjustable variable, so, in the matching of engine, can enter into the geometry on the exhaust emission route from waste gas according to matching data more meticulously, thereby control the inflation of waste gas on this route, reach the most efficient utilization of waste gas, make turbo charger obtain the maximum efficiency.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic cross-sectional view of a scroll casing in the prior art;
fig. 2 is a schematic sectional view of the improved scroll of the present invention.
Detailed Description
In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model discloses a volute with two sections circular arc formula kent line structure, including volute body 1, be provided with air inlet zone 11 and air outlet zone 12 on volute body 1, be provided with the transition curve on the inner wall of volute body 1 between air inlet zone 11 and air outlet zone 12, form waste gas work area 13 between the annular district that the transition curve rotation formed and the turbine backplate; the transition curve is including forming straightway 14, first circular arc section 15 and the second circular arc section 16 on volute body 1 inner wall, and the one end of straightway 14 extends to intake zone 11 department, and the other end of straightway 14 is connected with the one end of first circular arc section 15, and the other end of first circular arc section 15 is connected with the one end of second circular arc section 16, and the other end of second circular arc section 16 extends to play gas zone 12 department.
The straight line segment 14 is tangent to the first circular arc segment 15.
A turbocharger comprises the volute with the two-section arc Kent line structure.
As shown in fig. 2, the transition curve, i.e. kenter line, on the improved spiral case of the present invention has six variables, which are respectively: an included angle A1 between the straight line section 14 and the inner bottom surface of the scroll body 1, a distance L1 between the center of the circle where the first circular arc section 15 is located and the inner bottom surface of the scroll body 1, a distance L2 between the center of the circle where the second circular arc section 16 is located and the inner bottom surface of the scroll body 1, a radius R1 of the air outlet region 12, a distance L3 between the center of the circle where the first circular arc section is located and the axis of the air outlet region 12, and a distance L4 between the center of the circle where the second circular arc section is located and the axis of the air outlet region 12; after the path of the Kent line is improved to six controllable variables, in the matching of the engine, the geometry of the Kent line entering the exhaust gas discharge path from the exhaust gas can be adjusted more finely according to matching data, so that the expansion of the exhaust gas on the path is controlled, the most efficient utilization of the exhaust gas is achieved, and the turbocharger obtains the highest efficiency.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (3)
1. A volute with two sections of arc Kent line structures comprises a volute body (1), wherein an air inlet area (11) and an air outlet area (12) are arranged on the volute body (1), a transition curve is arranged on the inner wall of the volute body (1) between the air inlet area (11) and the air outlet area (12), and a waste gas working area (13) is formed between an annular area formed by rotation of the transition curve and a turbine back plate; the method is characterized in that: transition curve is including forming straightway (14), first circular arc section (15) and second circular arc section (16) on volute body (1) inner wall, the one end of straightway (14) extends to intake zone (11) department, the other end of straightway (14) is connected with the one end of first circular arc section (15), the other end of first circular arc section (15) is connected with the one end of second circular arc section (16), the other end of second circular arc section (16) extends to gas outlet zone (12) department.
2. The volute with two-segment circular-arc kenter wire structure according to claim 1, wherein the straight segment (14) is tangent to the first circular-arc segment (15).
3. A turbocharger, characterized by: a volute comprising a two-segment circular arc kenter wire structure as claimed in any one of claims 1-2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021521568.5U CN212985309U (en) | 2020-07-28 | 2020-07-28 | Volute with two-section arc Kent line structure and turbocharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021521568.5U CN212985309U (en) | 2020-07-28 | 2020-07-28 | Volute with two-section arc Kent line structure and turbocharger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212985309U true CN212985309U (en) | 2021-04-16 |
Family
ID=75429735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021521568.5U Active CN212985309U (en) | 2020-07-28 | 2020-07-28 | Volute with two-section arc Kent line structure and turbocharger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212985309U (en) |
-
2020
- 2020-07-28 CN CN202021521568.5U patent/CN212985309U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101950664B1 (en) | Vortex generating device for an internal combustion engine | |
| US4576550A (en) | Diffuser for a centrifugal compressor | |
| EP0526965B1 (en) | Compressor casings for turbochargers | |
| JP2005524800A (en) | Independent passage diffuser | |
| US20120128479A1 (en) | Diffusor | |
| US20100202877A1 (en) | Turbocharger diffuser | |
| GB1589496A (en) | Centrifugal compressor annular combustor and diffuser arrangement for a gas turbine | |
| CA3101221A1 (en) | Diffuser pipe with radially-outward exit | |
| CN111140341A (en) | Segmented adjustable blade vaned diffuser structure | |
| US11435079B2 (en) | Diffuser pipe with axially-directed exit | |
| CN212985309U (en) | Volute with two-section arc Kent line structure and turbocharger | |
| KR20180134965A (en) | Turbine wheel for turbines | |
| US20130243564A1 (en) | Exhaust diffuser for turbine | |
| CN216742188U (en) | Supercharger with vane diffuser and pneumatic guide vane structure | |
| CN112268016A (en) | End wall pre-rotation guide vane structure | |
| CN111075768A (en) | Centrifugal compressor volute with auxiliary noise reduction structure | |
| CN101629584A (en) | Parabola-shaped blade diffuser | |
| US7007475B2 (en) | Conical helical of spiral combustor scroll device in gas turbine engine | |
| CN114151195A (en) | Novel exhaust diffuser structure capable of improving pneumatic performance | |
| US20200291957A1 (en) | Turbocharger and turbine housing therefor | |
| CN113944654B (en) | Wide flow volute structure | |
| CN220581350U (en) | Noise reduction volute structure and frequency converter | |
| US20200232478A1 (en) | Turbomachine | |
| CN214170625U (en) | Turbocharger turbine wheel for improving self-vibration frequency of turbine blade | |
| CN212376965U (en) | Current collector and centrifugal fan applying same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240321 Address after: 315100 No. 188, Jingu Middle Road (West), Yinzhou District, Ningbo City, Zhejiang Province Patentee after: BORGWARNER AUTOMOTIVE COMPONENTS (NINGBO) Co.,Ltd. Country or region after: Zhong Guo Address before: 215400 No.88 Qingdao Road, taicanggang economic and Technological Development Zone, Suzhou City, Jiangsu Province Patentee before: BORGWARNER AUTOMOTIVE COMPONENTS (JIANGSU) CO.,LTD. Country or region before: Zhong Guo |