CN220151431U - Turbine box with double flow channels and turbocharger - Google Patents
Turbine box with double flow channels and turbocharger Download PDFInfo
- Publication number
- CN220151431U CN220151431U CN202321012383.5U CN202321012383U CN220151431U CN 220151431 U CN220151431 U CN 220151431U CN 202321012383 U CN202321012383 U CN 202321012383U CN 220151431 U CN220151431 U CN 220151431U
- Authority
- CN
- China
- Prior art keywords
- pressure release
- release cavity
- communication valve
- runner
- turbine box
- 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
- 238000004891 communication Methods 0.000 claims abstract description 25
- 230000009977 dual effect Effects 0.000 claims 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000006837 decompression Effects 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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 provides a turbine box with double flow channels and a turbocharger, wherein the turbine box comprises an air inlet, an air inlet flange, a flow channel wall, an upper flow channel and a lower flow channel, and is provided with an upper pressure release cavity communicated with the upper flow channel and a lower pressure release cavity communicated with a lower flow channel 4; an upper communication valve is arranged in the upper pressure release cavity, and a lower communication valve is arranged in the lower pressure release cavity; the upper communication valve and the lower communication valve are respectively and independently controlled by an electric control device or a mechanical control device. The beneficial effects of the utility model are as follows: according to the utility model, the pressure release cavity and the communication valve are respectively arranged on the double channels of the turbine box, so that on one hand, the energy utilization rate of exhaust pulse of each channel can be improved, the ERG rate is improved, the service performance of the whole machine is further improved, and on the other hand, the exhaust of each channel can be independently controlled, so that the reliability fault of the supercharger caused by overspeed and overtemperature can be avoided.
Description
Technical Field
The utility model belongs to the field of exhaust gas driven turbochargers for vehicles, and relates to a turbine box with double flow passages and a turbocharger adopting the turbine box.
Background
The exhaust gas turbocharger is a mechanical device for supercharging by utilizing the exhaust gas energy discharged by an engine, the turbine in a turbine box is driven to rotate by utilizing the exhaust gas energy of the engine, the turbine drives a coaxial compressor impeller to work, fresh air enters the compressor through an air filter, and the compressor impeller rotationally compresses the fresh air to achieve the supercharging effect. Therefore, the exhaust gas turbocharger can effectively recycle the energy of exhaust gas, increase the air quantity in the cylinder under the same displacement, optimize the combustion process and improve the working efficiency of the internal combustion engine. The exhaust gas turbocharger is an indispensable component for improving power, saving oil, reducing consumption and improving emission of a modern engine.
With the upgrading of emission regulations and the shortage of energy resources, the technical requirements of automotive superchargers are further improved. In order to meet the emission requirements of Guohuib and even Guohuiqi, the engine is mostly required to adopt an EGR technology, and the realization of the low-speed EGR rate is a technical problem which needs to be solved urgently by each host factory; compared with the traditional single-channel turbine box, the double-channel turbine box can establish higher pre-vortex temperature and pre-vortex pressure by independently controlling the exhaust of the double channels under the same air inlet condition, so that the EGR rate is effectively improved, and the whole machine emission is further improved, but the traditional double-channel turbine box cannot realize the optimal solution of the efficiency of each channel, and further cannot fully utilize the pulse exhaust energy of the engine.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a turbine box with double flow channels and a turbocharger, which can not only improve the ERG rate, but also avoid the reliability failure of the turbocharger caused by overspeed and overtemperature.
In order to solve the technical problems, the technical scheme of the utility model about the turbine box is as follows: the turbine box comprises an air inlet, an air inlet flange, a flow channel wall, an upper flow channel, a lower flow channel, an upper pressure release cavity communicated with the upper flow channel and a lower pressure release cavity communicated with the lower flow channel; an upper communication valve is arranged in the upper pressure release cavity, and a lower communication valve is arranged in the lower pressure release cavity; the upper communication valve and the lower communication valve are respectively and independently controlled by a mechanical control device or an electric control device.
As the preferable technical scheme, the upper runner and the lower runner are arranged in an up-down parallel manner, and the upper pressure release cavity and the lower pressure release cavity are arranged in a vertically staggered manner.
In one embodiment, the upper relief chamber is located above the upper flow passage and the lower relief chamber is located to the left of the lower flow passage.
In one embodiment, the radial dimension of the upper flow passage is greater than the radial dimension of the lower flow passage.
In one embodiment, an upper pressure relief cavity plug is provided corresponding to the outer side of the upper pressure relief cavity, and a lower pressure relief cavity plug is provided corresponding to the outer side of the lower pressure relief cavity.
The utility model relates to a turbocharger technical scheme, which comprises the following steps: a turbocharger adopts the turbine box with double flow passages.
The working process of the utility model is as follows: when high-temperature and high-pressure gas enters the flow passage wall through the gas inlet of the turbine box, one part of gas flows through the upper flow passage, the other part of gas flows through the lower flow passage, the pressure and temperature regulation parameters of the upper flow passage and the lower flow passage are determined according to the using condition of the whole machine, the upper communication valve is opened and then the air flow in the upper flow passage is decompressed by the upper decompression cavity, and the lower communication valve is opened and then the air flow in the lower flow passage is decompressed by the lower decompression cavity; thereby further improving the EGR rate of the engine and ensuring the reliability of the whole structure of the turbine box.
The beneficial effects of the utility model are as follows: according to the utility model, the pressure release cavity and the communication valve are respectively arranged on the double channels of the turbine box, so that on one hand, the energy utilization rate of exhaust pulse of each channel can be improved, the ERG rate is improved, the service performance of the whole machine is further improved, and on the other hand, the exhaust of each channel can be independently controlled, so that the reliability fault of the supercharger caused by overspeed and overtemperature can be avoided. The electric control device or the mechanical control device independently controls the opening and closing of the upper communication valve and the lower communication valve based on the real-time turbofront pressure and the temperature parameter.
Drawings
FIG. 1 is a schematic view of the external structure of a turbine box in an embodiment of the utility model;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic view of the three-dimensional structure of FIG. 2;
the reference numerals are:
1-air inlet flange 2-flow passage wall
3-upper runner 4-lower runner
5-upper communication valve 6-lower communication valve
7-upper pressure relief cavity plug 8-lower pressure relief cavity plug
9-upper pressure relief Chamber 10-lower pressure relief Chamber
11-mechanical control device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Example 1
As shown in fig. 1 to 3, a turbine box having a double flow passage includes an air inlet, an air inlet flange 1, a flow passage wall 2, an upper flow passage 3 and a lower flow passage 4, and is provided with an upper pressure release chamber 9 communicating with the upper flow passage 3, and a lower pressure release chamber 10 communicating with the lower flow passage 4; an upper communication valve 5 is arranged in the upper pressure release cavity 9, and a lower communication valve 6 is arranged in the lower pressure release cavity 10; the upper communication valve 5 and the lower communication valve 6 are each individually controlled by a mechanical control device 11 or an electrical control device.
As shown in fig. 2, the upper runner and the lower runner are arranged in parallel up and down, the radial dimension of the upper runner 3 is larger than that of the lower runner 4, the upper pressure release cavity 9 is positioned above the upper runner 3, and the lower pressure release cavity 10 is positioned on the left side of the lower runner 4; an upper pressure relief cavity plug 7 is arranged on the outer side surface corresponding to the upper pressure relief cavity 9, and a lower pressure relief cavity plug 8 is arranged on the outer side surface corresponding to the lower pressure relief cavity 10.
The working procedure of this embodiment is: when high-temperature and high-pressure gas enters the flow passage wall through the gas inlet of the turbine box, one part of gas flows through the upper flow passage 3, the other part of gas flows through the lower flow passage 4, the pressure and temperature regulation parameters of the upper flow passage 3 and the lower flow passage 4 are determined according to the using condition of the whole machine, the upper communicating valve 5 is opened and then the gas flow in the upper flow passage 3 is decompressed by the upper decompression cavity 9, and the lower communicating valve 6 is opened and then the gas flow in the lower flow passage 4 is decompressed by the lower decompression cavity 10; thereby further improving the EGR rate of the engine and ensuring the reliability of the whole structure of the turbine box.
Example 2
The present embodiment provides a turbocharger employing the turbine housing having the double flow passage of embodiment 1.
According to the embodiment, the pressure release cavity and the communication valve are respectively arranged on the double channels of the turbine box, so that the exhaust pulse energy utilization rate of each channel can be improved, the ERG rate is improved, the service performance of the whole turbine is further improved, and the exhaust of each channel can be independently controlled, so that the reliability fault of the supercharger caused by overspeed and overtemperature can be avoided.
The above embodiment is a preferred implementation of the present utility model, but in addition, the present utility model may be implemented in other ways, and any obvious substitution is within the scope of the present utility model without departing from the concept of the present technical solution.
In order to facilitate understanding of the improvements of the present utility model over the prior art, some of the figures and descriptions of the present utility model have been simplified and some other elements have been omitted for clarity, as will be appreciated by those of ordinary skill in the art.
Claims (6)
1. A turbine box having dual flow passages, characterized by: the turbine box comprises an air inlet, an air inlet flange (1), a runner wall (2), an upper runner (3) and a lower runner (4), and is provided with an upper pressure release cavity (9) communicated with the upper runner (3) and a lower pressure release cavity (10) communicated with the lower runner (4); an upper communication valve (5) is arranged in the upper pressure release cavity (9), and a lower communication valve (6) is arranged in the lower pressure release cavity (10); the upper communication valve (5) and the lower communication valve (6) are respectively and independently controlled by a mechanical control device (11) or an electric control device.
2. The turbine housing having dual flow passages as set forth in claim 1, wherein: the upper runner (3) and the lower runner (4) are arranged in an up-down parallel manner, and the upper pressure release cavity (9) and the lower pressure release cavity (10) are arranged in a vertical staggered manner.
3. The turbine housing having dual flow passages as set forth in claim 2, wherein: the upper pressure release cavity (9) is positioned above the upper runner (3), and the lower pressure release cavity (10) is positioned at the left side of the lower runner (4).
4. A turbine housing having dual flow passages as set forth in claim 3 wherein: the radial dimension of the upper runner (3) is larger than that of the lower runner (4).
5. The turbine housing having a double flow passage according to any one of claims 1 to 4, wherein: an upper pressure release cavity plug (7) is arranged on the outer side surface corresponding to the upper pressure release cavity (9), and a lower pressure release cavity plug (8) is arranged on the outer side surface corresponding to the lower pressure release cavity (10).
6. A turbocharger comprising a turbine housing, characterized in that: the turbine housing is the turbine housing having the double flow passage as claimed in any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321012383.5U CN220151431U (en) | 2023-04-28 | 2023-04-28 | Turbine box with double flow channels and turbocharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321012383.5U CN220151431U (en) | 2023-04-28 | 2023-04-28 | Turbine box with double flow channels and turbocharger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220151431U true CN220151431U (en) | 2023-12-08 |
Family
ID=89005977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321012383.5U Active CN220151431U (en) | 2023-04-28 | 2023-04-28 | Turbine box with double flow channels and turbocharger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220151431U (en) |
-
2023
- 2023-04-28 CN CN202321012383.5U patent/CN220151431U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103644024A (en) | Automobile engine intake air temperature regulation system | |
| CN103615309A (en) | All-work-condition adjustable two-stage pressurizing system of internal combustion engine | |
| CN102562273A (en) | Turbine composite device with variable geometry charging turbine and engine system thereof | |
| CN109057946B (en) | Anti-surge structure of pneumatic supercharging device for vehicle and control method thereof | |
| CN112031925A (en) | Electric supercharging preposed multistage mixed supercharging system for engine | |
| CN102434268A (en) | Double-turbine double-air-compressor turbocharging system | |
| CN105386857A (en) | Internal combustion engine two-stage pressurization control system and control method thereof | |
| CN103291442B (en) | Air incoming system of two-stage supercharged engine | |
| CN220151431U (en) | Turbine box with double flow channels and turbocharger | |
| CN101067398A (en) | Antiexplosive turbo charger | |
| CN103485866A (en) | Turbocharged engine | |
| CN116557132A (en) | Turbine box with double flow channels and turbocharger | |
| CN102418593B (en) | Single-vortex double-pressure turbocharging system | |
| CN110173345A (en) | A kind of hybrid power turbo charge system | |
| CN216278138U (en) | Diesel engine double-compressor parallel self-circulation pulse supercharging device | |
| CN212583814U (en) | Successive supercharging system, engine assembly and vehicle | |
| CN215908488U (en) | Anti-surge valve for natural gas vehicle | |
| CN202883100U (en) | Locomotive diesel engine with adjustable nozzle supercharger | |
| CN112031924A (en) | Multistage mixed supercharging system with rear electric supercharging for engine | |
| CN201407167Y (en) | Cylinder head of internal combustion engine type novel piston air compressor | |
| CN219953458U (en) | Turbine shell waste gas bypass supercharging structure | |
| CN111119271A (en) | Device and method for improving plateau capacity of excavator based on energy recovery | |
| CN205154376U (en) | Internal -combustion engine second grade pressure boost control system | |
| CN214616758U (en) | Air inlet pressurization system of explosion-proof engine and explosion-proof engineering vehicle | |
| CN204476552U (en) | A kind of motor composite turbocharging system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |