CN203939572U - Turbosupercharger on a kind of natural gas engine - Google Patents
Turbosupercharger on a kind of natural gas engine Download PDFInfo
- Publication number
- CN203939572U CN203939572U CN201420371135.4U CN201420371135U CN203939572U CN 203939572 U CN203939572 U CN 203939572U CN 201420371135 U CN201420371135 U CN 201420371135U CN 203939572 U CN203939572 U CN 203939572U
- Authority
- CN
- China
- Prior art keywords
- diaphragm
- air nozzle
- spring
- turbosupercharger
- natural gas
- 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
Landscapes
- Supercharger (AREA)
Abstract
The utility model provides the turbosupercharger on a kind of natural gas engine, belongs to field of mechanical technique.The problems such as it has solved the turbosupercharger air fuel ratio inaccuracy on existing natural gas engine, and operating mode is unstable.Turbosupercharger on this natural gas engine comprises turbine casing and compressor volute, on compressor volute, there is gas-entered passageway and outlet passageway, on the sidewall of gas-entered passageway, offer bypass pore, on compressor volute, be fixed with balance Decompression valves, balance Decompression valves comprises valve gap, spring and diaphragm, bypass pore communicates with spring and diaphragm in balance Decompression valves, between spring and diaphragm, be provided with the spring seat of retaining spring, between bypass pore and diaphragm, be provided with the bracket that supports diaphragm, on valve gap, be connected with air nozzle one, the intracavity inter-connection of air nozzle one and balance Decompression valves.The utlity model has air fuel ratio accurate, the advantage such as operating mode is stable.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of turbosupercharger, particularly the turbosupercharger on a kind of natural gas engine.
Background technique
At present, along with the develop rapidly of Engine Industry, the quick consumption of world energy sources, the demand of new energy engine exploitation is day by day vigorous, and rock gas is the clean energy resource that country encourages and supports, and its energy-saving and environmental protection, cost are low.But because of the special nature of combustion of natural gas medium completely different with the character of diesel combustion medium, larger from the indexs such as unit kilocalorie calorific value, flash-point, burning-point, deflagrability, hybrid mode and diesel oil difference, this has just caused the turbosupercharger being widely used on diesel engine directly not match on natural gas engine, is that each pressurized machine producer is difficult to the difficulty of crossing over both at home and abroad.
For the problem of above-mentioned existence, people have made various improvement to the turbosupercharger on natural gas engine, some has also applied for patent, for example, in Chinese patent literature data, disclose a kind of structure for the turbosupercharger on natural gas engine and applied for patent [application number: 201220639785.3; Notice of authorization number: CN202954857U], it comprises turbosupercharger, turbosupercharger one end is gas compressor end, the other end turbine end, turbosupercharger adopts water-cooling structure, in turbosupercharger, is provided with water-cooling channel.
The above-mentioned structure for the turbosupercharger on natural gas engine, its water-cooling pattern is simple in structure, its stability and working life are increased to a certain extent, but this structure does not still solve the excessive air amount of natural gas engine requirement and supplies with and the requirement of air fuel ratio quantification, could not reach the operating mode stability of natural gas engine and the lean proportioning of performance is controlled.
Summary of the invention
The purpose of this utility model is for the above-mentioned problems in the prior art, and the turbosupercharger on the natural gas engine that a kind of air fuel ratio is accurate, operating mode is stable is provided.
The purpose of this utility model can realize by following technical proposal: the turbosupercharger on a kind of natural gas engine, comprise turbine casing and compressor volute, on described compressor volute, there is gas-entered passageway and outlet passageway, on the sidewall of described gas-entered passageway, offer bypass pore, it is characterized in that, on described compressor volute, be fixed with balance Decompression valves, described balance Decompression valves comprises valve gap, spring and diaphragm, described bypass pore communicates with spring and diaphragm in balance Decompression valves, between described spring and diaphragm, be provided with the spring seat of retaining spring, between described bypass pore and diaphragm, be provided with the bracket that supports diaphragm, on described valve gap, be connected with air nozzle one, described air nozzle one and the intracavity inter-connection of balance Decompression valves.
Turbosupercharger on this natural gas engine has increased the new structure of balance Decompression valves on compressor volute, on outlet passageway bypass pore communicate with spring and diaphragm in balance Decompression valves, when high pressure air flow pressure release is to when setting the elastic force of spring, promote diaphragm and spring displacement, balance Decompression valves is opened, unnecessary high pressure air flow is through air nozzle one pressure release, the suitable air quantity of pressing enters burn steadily acting in engine cylinder through the outlet passageway on compressor volute, when high pressure air flow pressure release is to when setting the elastic force of spring, spring return function is in closed condition, balance Decompression valves is in dynamic automatic control adjustment state, all the time maintain a needed applicable high-pressure air amount of accurate air fuel ratio, ensure the smoothness control of the stable and change working of the performance requirement of turbocharger matching supercharged CNG engine and operating mode.
In turbosupercharger on above-mentioned a kind of natural gas engine, one crank linking mechanism is set on described turbine casing, described crank linking mechanism comprises crank and linkage block, in described linkage block, be connected with bleed valve, on described bleed valve, be connected with air nozzle two, described air nozzle two and the intracavity inter-connection of bleed valve, be connected with air nozzle three on the sidewall of described gas-entered passageway, described air nozzle three is connected with gas-entered passageway, and described air nozzle two is connected by sebific duct with air nozzle three.
In turbosupercharger on above-mentioned a kind of natural gas engine, described crank one end is connected on turbine casing, and the other end is connected with one end of linkage block, and described bleed valve and linkage block are by nut check.
Compared with prior art, turbosupercharger on this natural gas engine can maintain a needed applicable high-pressure air amount of accurate air fuel ratio all the time, has ensured the smoothness control of the stable and change working of the operating mode of turbocharger matching supercharged CNG engine.
Brief description of the drawings
Fig. 1 is the structural representation of the turbosupercharger on this natural gas engine.
In figure, 1, turbine casing; 2, compressor volute; 2a, gas-entered passageway; 2b, outlet passageway; 3, bypass pore; 4, balance Decompression valves; 5, valve gap; 6, spring; 7, diaphragm; 8, spring seat; 9, bracket; 10, air nozzle one; 11, crank linking mechanism; 11a, crank; 11b, linkage block; 12, bleed valve; 13, air nozzle two; 14, air nozzle three; 15, sebific duct; 16, nut.
Embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, turbosupercharger on this natural gas engine comprises turbine casing 1 and compressor volute 2, on compressor volute 2, there is gas-entered passageway 2a and outlet passageway 2b, on the sidewall of gas-entered passageway 2a, offer bypass pore 3, on compressor volute 2, be fixed with balance Decompression valves 4, balance Decompression valves 4 comprises valve gap 5, spring 6 and diaphragm 7, bypass pore 3 communicates with spring 6 and diaphragm 7 in balance Decompression valves 4, between spring 6 and diaphragm 7, be provided with the spring seat 8 of retaining spring 6, between bypass pore 3 and diaphragm 7, be provided with the bracket 9 that supports diaphragm 7, on valve gap 5, be connected with air nozzle 1, the intracavity inter-connection of air nozzle 1 and balance Decompression valves 4.
In order to prevent that the excessive balance Decompression valves 4 that causes of high pressure exhaust gas from bearing excess pressure, one crank linking mechanism 11 is set on turbine casing 1, crank linking mechanism 11 comprises crank 11a and linkage block 11b, on linkage block 11b, be connected with bleed valve 12, on bleed valve 12, be connected with air nozzle 2 13, the intracavity inter-connection of air nozzle 2 13 and bleed valve 12, on the sidewall of gas-entered passageway 2a, be connected with air nozzle 3 14, air nozzle 3 14 is connected with gas-entered passageway 2a, air nozzle 2 13 is connected by sebific duct 15 with air nozzle 3 14, crank 11a one end is connected on turbine casing 1, the other end is connected with one end of linkage block 11b, bleed valve 12 is locked by nut 16 with linkage block 11b.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used the terms such as turbine casing 1, compressor volute 2, gas-entered passageway 2a, outlet passageway 2b, bypass pore 3, balance Decompression valves 4, valve gap 5, spring 6, diaphragm 7, spring seat 8, bracket 9, air nozzle 1, crank linking mechanism 11, crank 11a, linkage block 11b, bleed valve 12, air nozzle 2 13, air nozzle 3 14, sebific duct 15, nut 16 herein, do not got rid of the possibility that uses other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (3)
1. the turbosupercharger on a natural gas engine, comprise turbine casing (1) and compressor volute (2), on described compressor volute (2), there is gas-entered passageway (2a) and outlet passageway (2b), on the sidewall of described gas-entered passageway (2a), offer bypass pore (3), it is characterized in that, on described compressor volute (2), be fixed with balance Decompression valves (4), described balance Decompression valves (4) comprises valve gap (5), spring (6) and diaphragm (7), described bypass pore (3) communicates with spring (6) and diaphragm (7) in balance Decompression valves (4), between described spring (6) and diaphragm (7), be provided with the spring seat (8) of retaining spring (6), between described bypass pore (3) and diaphragm (7), be provided with the bracket (9) that supports diaphragm (7), on described valve gap (5), be connected with air nozzle one (10), described air nozzle one (10) and the intracavity inter-connection of balance Decompression valves (4).
2. the turbosupercharger on a kind of natural gas engine according to claim 1, it is characterized in that, one crank linking mechanism (11) is set on described turbine casing (1), described crank linking mechanism (11) comprises crank (11a) and linkage block (11b), in described linkage block (11b), be connected with bleed valve (12), on described bleed valve (12), be connected with air nozzle two (13), described air nozzle two (13) and the intracavity inter-connection of bleed valve (12), on the sidewall of described gas-entered passageway (2a), be connected with air nozzle three (14), described air nozzle three (14) is connected with gas-entered passageway (2a), described air nozzle two (13) is connected by sebific duct (15) with air nozzle three (14).
3. the turbosupercharger on a kind of natural gas engine according to claim 2, it is characterized in that, described crank (11a) one end is connected on turbine casing (1), the other end is connected with the one end of linkage block (11b), and described bleed valve (12) is locked by nut (16) with linkage block (11b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420371135.4U CN203939572U (en) | 2014-07-07 | 2014-07-07 | Turbosupercharger on a kind of natural gas engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420371135.4U CN203939572U (en) | 2014-07-07 | 2014-07-07 | Turbosupercharger on a kind of natural gas engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203939572U true CN203939572U (en) | 2014-11-12 |
Family
ID=51858892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420371135.4U Expired - Fee Related CN203939572U (en) | 2014-07-07 | 2014-07-07 | Turbosupercharger on a kind of natural gas engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203939572U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306955A (en) * | 2019-08-07 | 2019-10-08 | 北京金科龙石油技术开发有限公司 | Transposition throttling device |
-
2014
- 2014-07-07 CN CN201420371135.4U patent/CN203939572U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306955A (en) * | 2019-08-07 | 2019-10-08 | 北京金科龙石油技术开发有限公司 | Transposition throttling device |
| CN110306955B (en) * | 2019-08-07 | 2024-02-13 | 北京金科龙石油技术开发有限公司 | Transposition throttle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103032152A (en) | Diesel engine sequential supercharging structure with air supplementing function | |
| EP2778372A3 (en) | Gas turbine engine fuel system with ecology valve | |
| CN203939572U (en) | Turbosupercharger on a kind of natural gas engine | |
| CN205477806U (en) | Engine is variable hydraulic pressure valve mechanism entirely | |
| CN203515867U (en) | Natural gas generator set adopting electrical control pressure regulator fuel feed system | |
| CN102748141B (en) | Inlet valve control mechanism of shifter cylinder in multi-cylinder engine cylinder deactivation oil saving system | |
| CN204163896U (en) | A kind of natural gas engine gas handling system | |
| CN203214180U (en) | Compressed natural gas-diesel dual-fuel engine formed by refitting marine diesel engine | |
| CN201851209U (en) | Device for preventing surge of turbocharger for marine diesels | |
| CN203035338U (en) | Diesel engine successiveness pressurizing structure with air supply function | |
| CN204003120U (en) | Electric control system of dual-fuel engine | |
| CN203035339U (en) | Sequential turbocharging switching gas supply device of diesel engine | |
| CN105402038A (en) | Premix valve control device of dimethyl ether premixing combustion system | |
| CN202834589U (en) | Novel pump supporting box | |
| CN203655417U (en) | Engine supercharging air supplementing system | |
| CN201144740Y (en) | Mixing valve of gas engine | |
| CN203441638U (en) | Natural-gas engine gas-supply system | |
| CN210068342U (en) | Gas fuel injection system | |
| CN209369978U (en) | Stabilizator structure and latter systems for engine | |
| CN203488250U (en) | Two-stage turbo-supercharger adopting variable-cross-section supercharger | |
| CN102620020B (en) | Combined flow regulation valve | |
| CN204716440U (en) | A kind of fuel oil supply device for four-cylinder internal combustion engine | |
| CN201436379U (en) | LPG relief valve for vehicle | |
| CN204533749U (en) | A kind of diaphragm type automobile decompression mechanism being convenient to protection diaphragm | |
| CN107435595B (en) | Engine system and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141112 Termination date: 20160707 |