CN207892665U - Supercharger volute structure and turbo-charger sytem with the structure - Google Patents
Supercharger volute structure and turbo-charger sytem with the structure Download PDFInfo
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- CN207892665U CN207892665U CN201820081359.XU CN201820081359U CN207892665U CN 207892665 U CN207892665 U CN 207892665U CN 201820081359 U CN201820081359 U CN 201820081359U CN 207892665 U CN207892665 U CN 207892665U
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- volute
- shell
- gas outlet
- fixing piece
- inlet
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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
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- Exhaust Gas After Treatment (AREA)
Abstract
The utility model provides a kind of supercharger volute structure, including volute body and by-passing valve, volute body includes first shell and second shell, first shell is communicated in second shell, first shell is equipped with volute inlet and the first fixing piece, first fixing piece is for installing preceding lambda sensor, and it is disposed adjacent with volute inlet, second shell includes volute gas outlet and volute chamber, volute chamber is communicated between volute inlet and volute gas outlet, by-passing valve includes bypass air inlet and bypass gas outlet, bypass air inlet is connected to volute inlet, bypass gas outlet is connected to bypass air inlet, bypass gas outlet can be opened or closed to allow or forbid gas to be discharged from volute inlet through bypassing gas outlet.The utility model by cold start-up by-passing valve open, by preceding lambda sensor ontology be set to volute inlet near, improve ECU accuracys rate, reduce raw emissions；Before by-passing valve is set to exhaust gas inflow volute chamber, shortens ternary catalyzing unit light-off time, improve efficiency of combustion.
Description
Technical field
The utility model is related to engine art more particularly to a kind of supercharger volute structure and with the turbine of the structure
Supercharger systems.
Background technology
As the day in relation to exhaust emission regulations is increasingly tight, the power performance to current gasoline engine and emission performance requirement
It is higher and higher, and be a kind of raisings gasoline acc power using supercharging technology, reduce fuel consumption rate and reduce discharge it is effective
Method, especially reduce engine cold-start when discharge become each main engine plants concern emphasis.
Due to ternary catalyzing unit light-off time length cold start-up when emission performance caused by influence very big, i.e. ternary
The light-off time of catalyst converter is longer, and emission performance when cold start-up is poorer；And the light-off time of ternary catalyzing unit is shorter, cold start-up
When emission performance it is better.
It is current in the prior art, on the one hand since exhaust gas by-pass valve is designed to closing type structure, and exhaust gas bypass goes out
Gas port is arranged near volute chamber, and when engine cold-start, exhaust gas needs to enter back into after volute volute chamber pushes turbine rotation
In ternary catalyzing unit, and exhaust energy is drastically reduced at this time, causes ternary catalyzing unit light-off time long；On the other hand, by
In in conventional exhaust systems, preceding lambda sensor is laid in before ternary catalyzing unit and after turbocharger so that preceding oxygen passes
Sensor cannot be ECU (ECU, ElectronicControlUnit, abbreviation far from combustion chamber：Electronic control unit) it provides really
Data input can not really calculate combustion case to cannot accurately measure oxygen content in exhaust gas, cause engine
Efficiency of combustion it is poor.
Utility model content
In view of this, it is necessary to provide a kind of supercharger volute structure that can effectively improve emission performance in cold start-up and
Turbo-charger sytem with the structure.
A kind of supercharger volute structure provided by the utility model, including volute body and by-passing valve, the volute body
Including first shell and second shell, the first shell is communicated in the second shell, and the first shell is equipped with volute
Air inlet and the first fixing piece, first fixing piece adjacent with the volute inlet are set for installing preceding lambda sensor
It sets, the second shell includes that volute chamber described in volute gas outlet and volute chamber is communicated in the volute inlet and the volute outlet
Between mouthful, the by-passing valve includes bypass air inlet and bypass gas outlet, and the bypass air inlet and the volute inlet are straight
Lead in succession, the bypass valve air gate is directly connected to bypass air inlet, and the bypass gas outlet can be opened or closed to allow
Or gas is forbidden to be discharged from the volute inlet through the bypass gas outlet.
Further, the bypass gas outlet of the by-passing valve is in the open state in cold start-up.
Further, the by-passing valve includes the by-pass valve cover being set at the bypass gas outlet, and the by-pass valve cover can
By opening or closing the bypass gas outlet to control opening or the closing of the by-passing valve.
The bypass gas outlet is located in the volute gas outlet.
Further, first fixing piece is preceding lambda sensor mounting base, and first fixing piece is on the first shell
Through-hole is formed, the through-hole is communicated in the first shell.
Further, the first shell includes the second fixing piece for connecting the exhaust pipe of engine, and described second is solid
Determine part to be laid at the volute inlet of the first shell；The second shell includes for installing catalyst converter ontology
Third fixing piece, the third fixing piece are laid at the volute gas outlet of the second shell.Further, described
Two fixing pieces are the first flange formed that extended outwardly by the shell of the volute inlet, and are set on first flange
Have the first mounting hole, the third fixing piece be extend from the shell at the gas outlet to the direction far from the by-passing valve and
The second flange formed, and second flange is equipped with the second mounting hole.
The utility model further relates to a kind of turbo-charger sytem comprising the supercharger volute structure and turbine sheet
Body, preceding lambda sensor ontology, the exhaust pipe of engine and catalyst converter ontology, the turbine body is installed in the volute chamber, described
Preceding lambda sensor ontology is installed at first fixing piece, and the exhaust pipe of engine is connected to the volute inlet, institute
Catalyst converter ontology is stated to be connected at the volute gas outlet.
Further, the first shell includes the second fixing piece, and second fixing piece is laid in the first shell
The volute inlet at；The second shell includes third fixing piece, and the third fixing piece is laid in the second shell
At the volute gas outlet of body；The preceding lambda sensor ontology is installed on first fixing piece, second fixing piece
The first mounting hole be fixed on the exhaust pipe of engine, the volute inlet is communicated in the exhaust pipe of engine, described
Catalyst converter ontology is fixed on the second mounting hole of the third fixing piece.
In conclusion supercharger volute structure provided by the utility model by preceding lambda sensor ontology by being installed on air inlet
The first fixing piece near mouthful so that sensor improves combustion in turn closer to the position of combustion chamber to improve the accuracy rate of ECU
Efficiency is burnt, raw emissions are reduced；By-passing valve is designed to open-type when engine is in cold start-up, and by the way that by-passing valve to be set to
Exhaust gas flows into before the volute chamber of volute body so that a part of exhaust gas directly flows into ternary catalyzing unit by by-passing valve, greatly shortens
The light-off time of ternary catalyzing unit, improves efficiency of combustion.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and being implemented in accordance with the contents of the specification, and in order to allow the above and other purpose, feature of the utility model
It can be clearer and more comprehensible with advantage, it is special below to lift preferred embodiment, and coordinate attached drawing, detailed description are as follows.
Description of the drawings
Fig. 1 is the structural schematic diagram of the supercharger volute structure of one embodiment of the utility model.
Specific implementation mode
Further to illustrate that the utility model is to reach the technological means and effect that predetermined purpose of utility model is taken,
Below in conjunction with attached drawing and preferred embodiment, to the utility model, detailed description are as follows.
Fig. 1 is the structural schematic diagram of the supercharger volute structure of one embodiment of the utility model.As shown in Figure 1, this practicality
It is novel to provide a kind of supercharger volute structure, including volute body 1 and by-passing valve 3.
Wherein, volute body 1 includes first shell 10 and second shell 20, and first shell 10 is communicated in second shell 20,
Volute inlet 101 and the first fixing piece 102 are respectively equipped in first shell 10, the first fixing piece 102 is passed for oxygen before installing
Sensor, and be disposed adjacent with volute inlet 101；Second shell 20 includes volute gas outlet 201 and volute chamber 202, volute chamber 202
It is communicated between volute inlet 101 and volute gas outlet 201, so that exhaust gas flows into volute chamber 202 simultaneously through volute inlet 101
It is flowed out from volute gas outlet 201.By-passing valve 3 includes bypass air inlet and bypass gas outlet 31, bypasses air inlet and volute air inlet
Mouth 101 is directly connected to, and bypass gas outlet 31 is directly connected to bypass air inlet, and bypass gas outlet 31 can be opened or closed with permission
Or gas is forbidden to be discharged from volute inlet 101 through bypassing gas outlet 31；When bypassing the opening of gas outlet 31, make exhaust gas from volute
Air inlet 101 enters volute body 1, and a part directly through 3 outflow of bypass, reduces the heat energy loss of exhaust gas, urged with shortening ternary
Change the reaction time of device；Another part exhaust gas flows into the volute chamber 202 of second shell 20 and is flowed out through volute gas outlet 201；Work as side
When pass-out gas port 31 is closed, exhaust gas is no longer discharged from volute inlet 101 and through bypassing gas outlet 31.
In other specific embodiments, the shapes and sizes of volute inlet 101 are not particularly limited, size and specific
Shape can be designed according to the different boundary of engine and the difference of discharge capacity.
In this embodiment, the bypass gas outlet 31 of by-passing valve 3 is in the open state in cold start-up, and by-passing valve
3 include be set to bypass gas outlet 31 at by-pass valve cover 32, by-pass valve cover 32 can by open or close bypass gas outlet 31 with
Opening or the closing of by-passing valve 3 are controlled, and then controls the flow direction of exhaust gas.I.e. when by-pass valve cover 32 opens bypass gas outlet 31
When, the exhaust gas part flowed into volute body 1 is flowed out through volute chamber 202 and volute gas outlet 201, and another part is from by-passing valve 3
Bypass gas outlet 31 in flow out；When by-pass valve cover 32 closes bypass gas outlet 31, exhaust gas is only by volute chamber 202 so that increase
It is most flowed out afterwards through volute gas outlet 201 after depressor compressed air.
In other specific embodiments, the opening or closure of by-passing valve 3 pass through by-pass valve cover in being not limited to the present embodiment
The mode of the open or close of 32 control bypass gas outlets 31 is realized, can also be other modes, such as control spool movement
Mode, be not limited specifically.
In this embodiment, bypass gas outlet 31 is located in volute gas outlet 201.In this way, when by-passing valve 3 is opened cold
When dynamic it is in the open state in the case of, the gas no matter flowed directly out from bypass 3 or the volute chamber 202 through second shell 20 are simultaneously
The gas flowed out through volute gas outlet 201 directly reaches ternary catalyzing unit, without in addition setting pipeline.
The first fixing piece 102 in first shell 10 is preceding lambda sensor mounting base volute inlet 101, the first fixing piece
102 form through-hole 100 in first shell 10, and through-hole 100 is communicated in first shell 10, so that exhaust gas is through volute inlet
101 can enter through-hole 100 into rear portion exhaust gas.
First shell 10 further includes the second fixing piece 103 for connecting the exhaust pipe of engine, and the second fixing piece 103 is laid
At the volute inlet 101 of first shell 10, second shell 20 further includes the third fixing piece for installing catalyst converter ontology
203, third fixing piece 203 is laid at the volute gas outlet 201 of second shell 20；Specifically, the second fixing piece 103 is by whirlpool
Shell at shell air inlet 101 extends outwardly and the first flange for being formed, and the first flange is equipped with the first mounting hole 105；Third
Fixing piece 203, which extends for the shell at the volute gas outlet 201 from second shell 20 to the direction far from by-passing valve 3, forms the
Two flanges, the second flange are equipped with the second mounting hole 205；And in specific embodiment provided by the utility model, the first installation
Hole 105 is 4, and the second mounting hole 205 is 3.
In other specific embodiments, the first fixing piece 102, the second fixing piece 103 and third fixing piece 203 specific knot
Structure is not limited；Concrete shape, structure and the number of first mounting hole 105 and the second mounting hole 205 are not limited.
The utility model further relates to a kind of turbo-charger sytem comprising above-mentioned supercharger volute structure and turbine
Ontology, preceding lambda sensor ontology, the exhaust pipe of engine and catalyst converter ontology；Turbine body is installed in volute chamber 202, preceding oxygen sensing
Device ontology is installed at the first fixing piece 102, and the exhaust pipe of engine is connected to volute inlet 101, and catalyst converter ontology is connected to
At volute gas outlet 201.
Wherein, first shell 10 includes the second fixing piece 103, and the second fixing piece 103 is laid in the volute of first shell 10
At air inlet 101；Second shell 20 includes third fixing piece 203, and the volute that third fixing piece 203 is laid in second shell 20 goes out
At gas port 201；Preceding lambda sensor ontology is installed on the first fixing piece 102, and the first mounting hole 105 of the second fixing piece 103 is solid
Due to the exhaust pipe of engine, volute inlet 101 is communicated in the exhaust pipe of engine, and catalyst converter ontology is fixed on third fixing piece
203 the second mounting hole 205.
In detail, turbine body is installed in volute chamber 202, and preceding lambda sensor ontology is preceding lambda sensor and is installed on first
On first fixing piece 102 of shell 10, first shell 10 is fixed on hair by the first mounting hole 105 on the second fixing piece 103
Motivation exhaust pipe, and the exhaust pipe of engine is communicated in by volute inlet 101, so that by the useless of exhaust pipe of engine discharge
Gas by volute inlet 101 into fashionable, since the position of preceding lambda sensor ontology closer to combustion chamber is measured with facilitating in exhaust gas
Oxygen content, accelerate the signal acquisition speed of lambda sensor, to calculate more true combustion case and be carried for the control of ECU
High more true signal input, improves efficiency of combustion, is finally reached the purpose for reducing raw emissions.
In this embodiment, by-passing valve 3 is set in volute gas outlet 201, and catalyst converter ontology is converted for three-element catalytic
It device and is fixed on the volute gas outlet 201 of second shell 20 by the second mounting hole 205 on third fixing piece 203.It is sending out
When motivation cold start-up, by-passing valve 3 is opened, and catalyst converter ontology is communicated in volute gas outlet 201 and bypass gas outlet 31, through the
Turbine discharge of the exhaust gas part that the volute inlet 102 of one shell 10 enters out of volute chamber 202, and through volute gas outlet
201 flow into catalyst converter ontology, and another part exhaust gas then directly flow by the bypass air inlet directly through by-passing valve 3 and bypass gas outlet 31
Enter catalyst converter ontology, reduces the loss of the energy of engine exhaust, ternary catalyzing unit when substantially reducing engine cold-start
Light-off time.
The position of preceding lambda sensor ontology i.e. provided by the utility model is not limited only to be laid in booster in the present embodiment
Embodiment near volute inlet, lambda sensor ontology is compared with prior art closer to combustion before capable of making in other embodiments
Burn the position of room；And the arrangement for the by-passing valve being connect with catalyst converter ontology is not limited only to be laid in second shell in the present embodiment
The embodiment of the other end of the body far from volute chamber, as long as the near exit for being located at volute body 1 in other embodiments is arranged and will
Exhaust gas is directly discharged into catalyst converter ontology without the turbine of volute chamber.
To sum up supercharger volute structure provided by the utility model is attached by the way that preceding lambda sensor ontology is installed on air inlet
The first close fixing piece so that sensor is imitated closer to the position of combustion chamber to improve the accuracy rate of ECU and then improve burning
Rate reduces raw emissions；By-passing valve is designed to open-type when engine is in cold start-up, and by the way that by-passing valve is set to exhaust gas
It flows into before the volute chamber of volute body so that a part of exhaust gas is directly flowed by by-passing valve in ternary catalyzing unit, is substantially reduced
The light-off time of ternary catalyzing unit, improves efficiency of combustion.
More than, only it is the preferred embodiment of the utility model, limit in any form not is made to the utility model
System, although the utility model has been disclosed with preferred embodiment as above, is not limited to the utility model, any to be familiar with sheet
Technical professional is not departing within the scope of technical solutions of the utility model, when the technology contents work using the disclosure above
Go out a little change or be modified to the equivalent embodiments of equivalent variations, as long as be without departing from the content of the technical scheme of the utility model, according to
According to the technical essence of the utility model to any simple modification, equivalent change and modification made by above example, still fall within
In the range of technical solutions of the utility model.
Claims (9)
1. a kind of supercharger volute structure, which is characterized in that including volute body (1) and by-passing valve (3), the volute body
(1) include first shell (10) and second shell (20), the first shell (10) is communicated in the second shell (20), described
First shell (10) is equipped with volute inlet (101) and the first fixing piece (102), and first fixing piece (102) is for pacifying
Lambda sensor before dress, and be disposed adjacent with the volute inlet (101), the second shell (20) includes volute gas outlet
(201) and volute chamber (202), the volute chamber (202) are communicated in the volute inlet (101) and the volute gas outlet (201)
Between, the by-passing valve (3) includes bypass air inlet and bypasses gas outlet (31), the bypass air inlet and the volute air inlet
Mouth (101) is directly connected to, and described bypass gas outlet (31) is directly connected to the bypass air inlet, the bypass gas outlet (31)
It can open or close to allow or forbid gas to be discharged from the volute inlet (101) through the bypass gas outlet (31).
2. supercharger volute structure according to claim 1, which is characterized in that described the bypassing out of the by-passing valve (3)
Gas port (31) is in the open state in cold start-up.
3. supercharger volute structure according to claim 1, which is characterized in that the by-passing valve (3) includes set on described
The by-pass valve cover (32) at gas outlet (31) is bypassed, the by-pass valve cover (32) can be by opening or closing the bypass gas outlet
(31) to control opening or the closing of the by-passing valve (3).
4. supercharger volute structure according to claim 1, which is characterized in that the bypass gas outlet (31) is located at described
In volute gas outlet (201).
5. supercharger volute structure according to claim 1, which is characterized in that first fixing piece (102) is preceding oxygen
Sensor installation seat, first fixing piece (102) form through-hole (100) in first shell (10), and the through-hole (100) is even
Pass through the first shell (10).
6. supercharger volute structure according to claim 1, which is characterized in that the first shell (10) includes for connecting
The second fixing piece (103) of the exhaust pipe of engine is connect, second fixing piece (103) is laid in the institute of the first shell (10)
It states at volute inlet (101)；The second shell (20) includes the third fixing piece (203) for installing catalyst converter ontology,
The third fixing piece (203) is laid at the volute gas outlet (201) of the second shell (20).
7. supercharger volute structure according to claim 6, which is characterized in that second fixing piece (103) is by institute
The shell at volute inlet (101) is stated to extend outwardly and the first flange for being formed, first flange are equipped with the first installation
Hole (105)；The third fixing piece (203) is from the shell at the volute gas outlet (201) to far from the by-passing valve (3)
Direction extend and formed the second flange, and second flange be equipped with the second mounting hole (205).
8. a kind of turbo-charger sytem, which is characterized in that it includes turbine body, preceding lambda sensor ontology, engine exhaust
Supercharger volute structure described in pipe, catalyst converter ontology and claim 1-5 any one, the turbine body are installed on institute
It states in volute chamber (202), the preceding lambda sensor ontology is installed at first fixing piece (102), the exhaust pipe of engine
It is connected to the volute inlet (101), the catalyst converter ontology is connected at the volute gas outlet (201).
9. turbo-charger sytem according to claim 8, which is characterized in that the first shell (10) includes second solid
Determine part (103), second fixing piece (103) is laid at the volute inlet (101) of the first shell (10)；Institute
It includes third fixing piece (203) to state second shell (20), and the third fixing piece (203) is laid in the second shell (20)
At the volute gas outlet (201)；The preceding lambda sensor ontology is installed on first fixing piece (102), and described second
The first mounting hole (105) of fixing piece (103) is fixed on the exhaust pipe of engine, and the volute inlet (101) is communicated in
The exhaust pipe of engine, the catalyst converter ontology are fixed on the second mounting hole (205) of the third fixing piece (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820081359.XU CN207892665U (en) | 2018-01-18 | 2018-01-18 | Supercharger volute structure and turbo-charger sytem with the structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820081359.XU CN207892665U (en) | 2018-01-18 | 2018-01-18 | Supercharger volute structure and turbo-charger sytem with the structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207892665U true CN207892665U (en) | 2018-09-21 |
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ID=63544542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820081359.XU Active CN207892665U (en) | 2018-01-18 | 2018-01-18 | Supercharger volute structure and turbo-charger sytem with the structure |
Country Status (1)
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| CN (1) | CN207892665U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110778381A (en) * | 2019-02-22 | 2020-02-11 | 长城汽车股份有限公司 | Catalyst, engine and vehicle |
| CN111350585A (en) * | 2018-12-24 | 2020-06-30 | 长城汽车股份有限公司 | Turbocharger and vehicle |
| CN113982743A (en) * | 2021-10-08 | 2022-01-28 | 宁波吉利罗佑发动机零部件有限公司 | Supercharger, exhaust aftertreatment system and control method thereof |
-
2018
- 2018-01-18 CN CN201820081359.XU patent/CN207892665U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111350585A (en) * | 2018-12-24 | 2020-06-30 | 长城汽车股份有限公司 | Turbocharger and vehicle |
| CN110778381A (en) * | 2019-02-22 | 2020-02-11 | 长城汽车股份有限公司 | Catalyst, engine and vehicle |
| CN110778381B (en) * | 2019-02-22 | 2022-06-21 | 长城汽车股份有限公司 | Catalyst, engine and vehicle |
| CN113982743A (en) * | 2021-10-08 | 2022-01-28 | 宁波吉利罗佑发动机零部件有限公司 | Supercharger, exhaust aftertreatment system and control method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315800 No. 1528 Hengshan Road, Xingu, Beilun District, Ningbo City, Zhejiang Province Patentee after: Zhejiang Geely Power Assembly Co., Ltd. Address before: 315800 No. 1528 Hengshan Road, Xingu, Beilun District, Ningbo City, Zhejiang Province Patentee before: Zhejiang Geely Luoyou Engine Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |