CN2339764Y - Gas-gasoline double-fuel engine carburator - Google Patents
Gas-gasoline double-fuel engine carburator Download PDFInfo
- Publication number
- CN2339764Y CN2339764Y CN 98232723 CN98232723U CN2339764Y CN 2339764 Y CN2339764 Y CN 2339764Y CN 98232723 CN98232723 CN 98232723 CN 98232723 U CN98232723 U CN 98232723U CN 2339764 Y CN2339764 Y CN 2339764Y
- Authority
- CN
- China
- Prior art keywords
- gaseous fuel
- gasoline
- gas
- middle shell
- fuel
- 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
Landscapes
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The utility model relates to a gas-gasoline double-fuel engine carburator which comprise a float mechanism, a middle throat component, a small throat component, a big throat which are arranged in a middle casing; the utility model comprises a main oil supplying system, an accelerating oil supplying system and an enriching oil supplying system which are arranged on the middle casing. An upper casing whose inner is provided with a wind choking valve and a float chamber balancing pipe is arranged on the upper end of the middle casing, and a lower casing which is provided with a gas throttling valve is arranged at the lower end of the middle casing. Idle speed oil supplying systems is arranged on the middle casing and the upper casing. The periphery of the big throat is processed with a gas blasting groove whose inner is provided with a gas fuel flow channel. The utility model also comprises a gas fuel gas inlet connector which is arranged on the middle casing and is communicated with the gas blasting groove and a gasoline cutting-off valve which can cut off a main oil channel.
Description
The utility model belongs to the configuring technical field of two or more independent Carburetors, is specifically related to be suitable for using the Carburetor of liquids and gases fuel.
The patent No. is that 96235659.X, invention and created name are the Chinese patent of " motor car engine liquefied petroleum gas (LPG) and gasoline double-fuel supplier ", gas fuel mixer is installed in the upper end of Carburetor, influence the characteristic of fuel delivery of Carburetor, when petrol engine used gasoline, oil consumption increased, and has increased intake resistance simultaneously, power loss increases when making engine for combusting gasoline, and when existing petrol engine reequiped, gas fuel mixer is installed on Carburetor, difficulty is very big.In addition, the gasoline cut-out magnetic valve is installed in before the Carburetor, because after the gasoline cut-out magnetic valve blocks gasoline, the indoor gasoline of carburettor float uses up, the engine combustion gaseous fuel is under accelerating mode and high load working condition, quickening oil supply system and enriching oil supply system can't be to engine oil, and motor transforms and uses the conversion difficulty of gasoline bigger.
The purpose of this utility model is to overcome the shortcoming of above-mentioned patent, but the Carburetor of a kind of using gases fuel and gasoline, reliable operation is provided for petrol engine.
For achieving the above object, the solution that the utility model adopts is: it comprises middle shell, be arranged on the float mechanism in the middle shell float chamber, be arranged on the interior middle small venturi assembly and the big trunnion of middle shell mixed airway of middle shell, periphery at big trunnion is processed with the gas flow guiding groove, is processed with to make gaseous fuel enter gaseous fuel circulation road in the big trunnion in the gas flow guiding groove.It comprises main oil supply system, acceleration oil supply system, the enriching oil supply system that is located on the middle shell, main oil supply system, quicken to provide gasoline when oil supply system, enriching oil supply system are used the gasoline running for gaseous fuel and gasoline dual fuel engine, quicken oil supply system, the enriching oil supply system also can be gaseous fuel and gasoline dual fuel engine using gases fuel provides gasoline at accelerating mode, high load working condition when turning round.It comprises the upper shell that is located at the middle shell upper end, is provided with chock plate and float chamber balance tube in the air channel of upper shell.It comprises the lower shell body that is located at the middle shell lower end, is provided with closure in the lower shell body mixed airway of lower shell body, and this closure links by driving link and acceleration oil supply system and enriching oil supply system.On middle shell and lower shell body, be provided with idle system system, for gaseous fuel and gasoline dual fuel engine use gasoline provide gasoline when idling operation turns round.It also comprises the gaseous fuel air input joint that is located on the middle shell, and this gaseous fuel air input joint links with the gas flow guiding groove of big trunnion periphery.Main oil supply system of the present utility model comprises: be located at primary air metering-orifice and the foam tube on the main oil gallery and be located at the gasoline cut-off valve that middle shell outer wall and main oil gallery and float chamber link.
Gaseous fuel air input joint of the present utility model is provided with the gas flow regulating mechanism that can adjust gas fuel flow rate.The gasoline cut-off valve that the utility model is arranged on the main oil gallery is a gasoline cut-out magnetic valve door.
The gas flow regulating mechanism that the utility model is located on the gaseous fuel air input joint is adjusted screw for the gaseous fuel mixed gas, and the lower end that this gaseous fuel mixed gas is adjusted screw has a taper projection to extend in the gaseous fuel air input joint.
The utility model is compared with " motor car engine liquefied petroleum gas (LPG) and gasoline double-fuel supplier ", have simple in structure, easy for installation, cost is low, advantage such as safe and reliable, in the time of satisfying gaseous fuel and gasoline dual fuel engine using gases fuel, under accelerating mode and high load working condition,, and make the original gasoline characteristic of fuel delivery of Carburetor constant by the petrol system fuel feeding.
Fig. 1 is an embodiment's of the utility model a structural representation.
Fig. 2 is the structural representation of big trunnion among Fig. 1.
Below in conjunction with drawings and Examples the utility model is further described.
In Fig. 1,2, in the upper end of middle shell 1 upper shell 2 is installed, the lower end is equipped with lower shell body 29, have in the upper shell 2 air channel 4 ', have in the lower shell body 29 lower shell body mixed airway 10 ', there is middle shell mixed airway 5 ' with air channel 4 ' with lower shell body mixed airway 10 ' link in the left side in the middle shell 1, there is float chamber 6 on the right side '.The air channel 4 of upper shell 2 ' in chock plate 8 and float chamber balance tube 11 are installed, the lower shell body mixed airway 10 of lower shell body 29 ' in closure 30 is installed, the middle shell mixed airway 5 of middle shell 1 ' in be equipped with in small venturi assembly 7 and big trunnion 32, float chamber 6 ' in float mechanism is installed.
The big trunnion 32 of present embodiment be at the minimum place of the internal diameter of the big trunnion of petrol engine carburetor, outer wall circumferencial direction processing one circle gas flow guiding groove 11 ', gas flow guiding groove 11 ' vertical section be rectangle, gas flow guiding groove 11 ' the bottom radially be processed with 12 gaseous fuels portal 12 ', gaseous fuel portals 12 ' be an embodiment of gaseous fuel circulation road, also can be processed into uniform slotted hole, gaseous fuel can portal 12 from gaseous fuel ' and enter in the big trunnion 32 and become mixed gas with air mixing.Outer wall is equipped with gaseous fuel air input joint 33 in the left side of middle shell 1, the gas flow guiding groove 11 of gaseous fuel air input joint 33 and big trunnion 32 outer walls ' link.The gaseous fuel mixed gas is installed on gaseous fuel air input joint 33 adjusts screw 34, it is an embodiment of gas flow regulating mechanism that gas fuel mixer is adjusted screw 34, the lower end of adjusting screw 34 at the gaseous fuel mixed gas has a taper projection to extend in the gaseous fuel air input joint 33, is used to adjust the proportions of ingredients that enters the mixed platform gas of gaseous fuel.
Present embodiment is installed in float chamber 6 ' interior float mechanism and is made of float 15, float handle 18, oil-feed needle- valve 19,21 connections of float support.Float support 21 is fixed on middle shell float chamber 6 ' inwall, one end and the float 15 of float handle 18 is connected as a single entity, the other end and float support 21 are hinged, and the lower end of oil-feed needle-valve 19 connects with float handle 18, needle-valve is placed in the valve seat of the fuel inlet fitting 20 on the middle shell 1.When float chamber 6 ' in when not having gasoline, oil-feed needle-valve 19 is opened, gasoline from fuel inlet fitting 20 enter float chamber 6 ', when float chamber 6 ' interior gasoline height reaches setting height, oil-feed needle-valve 19 is closed, gasoline stop to enter float chamber 6 '.
On middle shell 1, main oil supply system is arranged, the main oil supply system of present embodiment by be installed in main oil gallery 9 ' on primary air metering-orifice 10, foam tube 9 and the gasoline cut-out magnetic valve door 25 that is installed in the right outside of middle shell 1 and float chamber 6 ' and main oil gallery 9 ' link constitute, gasoline cut-out magnetic valve door 25 is an embodiment of gasoline cut-off valve, main oil gallery 9 ' link with middle small venturi assembly 7.As the operator if when making gaseous fuel and gasoline dual fuel engine use gasoline to turn round, close the gaskraftstoffzufuhranlage switch earlier, connect the circuit of gasoline cut-out magnetic valve door 25 then, the gasoline of float chamber 6 ' interior through gasoline cut-out magnetic valve door 25 enter main oil gallery 9 ', small venturi assembly 7 in the inflow.As the operator if when making the moving commentaries on classics of gaseous fuel and gasoline dual fuel engine using gases fuel, open the gaskraftstoffzufuhranlage switch earlier, cut off the circuit of gasoline cut-out magnetic valve door 25 then, gasoline cut-out magnetic valve door 25 with main oil gallery 9 ' with float chamber 6 ' oil circuit cut off, the main oil supply system fuel cut-off, gaseous fuel enters from gaseous fuel air input joint 33, from the gaseous fuel of big trunnion 32 portal 12 ' enter in the big trunnion 32, this moment, float chamber 6 ' interior gasoline face height still remained unchanged.
The acceleration oil supply system is arranged on middle shell 1, and the acceleration oil supply system of present embodiment is made of accelerating pump 17, accelerating pump one-way valve 22, acceleration nozzle 6, collar 14, vertical pull bar 16, butt hook 23, rocking arm 24.The accelerating pump 17 of present embodiment is a plunger pump, quicken oil input channel 7 ' with accelerating pump 17 and float chamber 6 ' link, accelerating pump one-way valve 22 be installed in quicken oil input channel 7 ' on, quicken oil road 8 ' with accelerating pump 17 and middle shell mixed airway 5 ' link, quicken nozzle 6 be installed in quicken on the middle shell 1 oil road 8 ' the outlet port, the upper end of accelerating pump 17 connects with an end of collar 14, one end of vertical pull bar 16 connects with an end of collar 14, the other end connects with an end of butt hook 23, the other end of butt hook 23 connects with an end of rocking arm 24; the other end of rocking arm 24 connects with closure 30; when gaseous fuel and gasoline dual fuel engine when accelerating mode turns round; gaseous fuel enters from gaseous fuel air input joint 33; portal 12 ' enter big trunnion 32 from the gaseous fuel of big trunnion 32; accelerating pump 17 with gasoline through quicken oil road 8 ' from quicken nozzle 6 be ejected into middle shell mixed airway 5 ' in, for gaseous fuel and gasoline dual fuel engine provide gasoline under accelerating mode.
The enriching oil supply system is arranged on middle shell 1, and the enriching oil supply system of present embodiment is made of enriching push rod 13, upgrading valve cone push rod 12, enriching housing 28, upgrading valve assembly 26,27 connections of enriching metering-orifice.The upper end of enriching push rod 13 connects with the other end of collar 14, enriching housing 28 be connected as a single entity with middle shell 1 and with float chamber 6 ' link, on upgrading valve cone push rod 12 is installed in the enriching housing 28, correct on the upgrading valve cone push rod 12 be positioned at enriching push rod 13 lower ends under, enriching metering-orifice 27 be installed in the enriching housing 28 lower ends and with main oil gallery 9 ' link, upgrading valve assembly 26 is installed in the enriching housing 28 between the upgrading valve cone push rod 12 and enriching metering-orifice 27.When operator's open the throttle wide 30 if when gaseous fuel and gasoline dual fuel engine are turned round under high load working condition, gaseous fuel enters from gaseous fuel air input joint 33, portal 12 ' enter big trunnion 32 from the gaseous fuel of big trunnion 32, simultaneously, closure 30 is by rocking arm 24, butt hook 23, vertical pull bar 16, collar 14 is pushed into enriching push rod 13 downwards the top of upgrading valve cone push rod 12, upgrading valve cone push rod 12 is moved down, with the gasoline of float chamber 6 ' interior through enriching metering-orifice 27, main oil gallery 9 ', therefrom small venturi assembly 7 sucking-offs are for gaseous fuel and gasoline dual fuel engine provide gasoline under high load working condition.
Idle system system is arranged on middle shell 1 and lower shell body 29, the idle system system of present embodiment by first idle fuel way 3 that is installed in middle shell 1 ' on first idling air jet 5 and idling jet 4, be installed in second idle fuel way 1 of middle shell 1 and lower shell body 29 ' on second idling air jet 3 and idle adjusting screw 31 constitute.Air channel 4 in first idle fuel way 3 ' top and the upper shell 2 ' link, following and main oil gallery 9 ' link, the interior lower shell body mixed airway 10 of air channel 4 in second idle fuel way 1 ' top and the upper shell 2 ' link, following and lower shell body 29 ' link, first idle fuel way 3 ' with second idle fuel way 1 ' by UNICOM's oil duct 2 ' link.First idling air jet 5 be installed in first idle fuel way 3 ' above, idling jet 4 is installed in first idling air jet 5 times, second idling air jet 3 be installed in second idle fuel way 1 ' above, idle adjusting screw 31 be installed in lower shell body 29 outer walls second idle fuel way 1 ' below.When gaseous fuel and gasoline dual fuel engine using gases fuel when idling operation turns round, gaseous fuel enters from gaseous fuel air input joint 33, portal 12 ' enter big trunnion 32 from the gaseous fuel of big trunnion 32, for gaseous fuel and gasoline dual fuel engine provide gaseous fuel under idling operation, at this moment, the idle system not gasoline feed of uniting.
Working principle of the present utility model is as follows:
If when gaseous fuel and gasoline dual fuel engine are turned round with gasoline, the operator can close the gaskraftstoffzufuhranlage switch earlier, connects the circuit of gasoline cut-out magnetic valve door 25 then as the operator.Main oil supply system of the present utility model, acceleration oil supply system, enriching oil supply system, idle system system provide gasoline to gaseous fuel and gasoline dual fuel engine.As the operator if when gaseous fuel and gasoline dual fuel engine are turned round with gaseous fuel, the operator can open the gaskraftstoffzufuhranlage switch earlier, gaseous fuel enters from gaseous fuel air input joint 33 of the present utility model, portal 12 ' enter big trunnion 32 from the gaseous fuel of big trunnion 32, disconnect the circuit of gasoline cut-out magnetic valve door 25 then, gasoline cut-out magnetic valve door 25 cuts off the oil circuit of main oil supply system and idle system system, gaseous fuel and gasoline dual fuel engine using gases fuels run, because float chamber 6 ' interior gasoline face height remains unchanged, acceleration oil supply system of the present utility model provides gasoline for gaseous fuel and gasoline dual fuel engine under accelerating mode, enriching oil supply system of the present utility model provides gasoline for gaseous fuel and gasoline dual fuel engine under high load working condition.
Also can go out the gaseous fuel and the gasoline dual fuel engine Carburetor of another concrete structure according to above-mentioned principle design.
Claims (3)
1. gaseous fuel and gasoline dual fuel engine Carburetor, it comprises:
Middle shell [1], be arranged on the float mechanism in middle shell [1] float chamber [6 '], be arranged on the interior middle small venturi assembly [7] and the big trunnion [32] of middle shell mixed airway [5 '] of middle shell [1], be arranged on main oil supply system, acceleration oil supply system, enriching oil supply system on the middle shell [1];
Be located at the upper shell [2] of middle shell [1] upper end, in the air channel [4 '] of upper shell [2], be provided with chock plate [8] and float chamber balance tube [11];
Be located at the lower shell body [29] of middle shell [1] lower end, in the mixed platform air flue [10 '] of the lower shell body of lower shell body [29], be provided with closure [30], this closure [30] links with quickening oil supply system and enriching oil supply system by driving link, is provided with the idle system system on middle shell [1] and lower shell body [29];
It is characterized in that: it also comprises the gaseous fuel air input joint [33] that is located on the middle shell [1]; The periphery of above-mentioned big trunnion [32] is processed with the gas flow guiding groove [11 '] that links with gaseous fuel air input joint [33], is processed with to make gaseous fuel enter gaseous fuel circulation road in the big trunnion [32] in gas flow guiding groove [11 ']; Above-mentioned main oil supply system comprises: be located at primary air metering-orifice [10] and the foam tube [9] on the main oil gallery [9 '] and be located at middle shell [1] outer wall and gasoline cut-off valve that main oil gallery [9 '] and float chamber [6 '] link.
2. according to described gaseous fuel of claim 1 and gasoline dual fuel engine Carburetor, it is characterized in that: on gaseous fuel air input joint [33], be provided with the gas flow regulating mechanism that to adjust gas fuel flow rate; The said gasoline cut-off valve that is arranged on the main oil gallery [9 '] is a gasoline cut-out magnetic valve door [25].
3. according to described gaseous fuel of claim 2 and gasoline dual fuel engine Carburetor, it is characterized in that: the said gas flow regulating mechanism that is located on the gaseous fuel air input joint [33] is adjusted screw [34] for the gaseous fuel mixed gas, and the lower end that this gaseous fuel mixed gas is adjusted screw [34] has a taper projection to extend in the gaseous fuel air input joint [33].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98232723 CN2339764Y (en) | 1998-05-18 | 1998-05-18 | Gas-gasoline double-fuel engine carburator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98232723 CN2339764Y (en) | 1998-05-18 | 1998-05-18 | Gas-gasoline double-fuel engine carburator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2339764Y true CN2339764Y (en) | 1999-09-22 |
Family
ID=33981595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98232723 Expired - Fee Related CN2339764Y (en) | 1998-05-18 | 1998-05-18 | Gas-gasoline double-fuel engine carburator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2339764Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113279862A (en) * | 2021-04-22 | 2021-08-20 | 泰兴市苏林机械有限公司 | Multi-fuel mixer control system and multi-fuel engine |
-
1998
- 1998-05-18 CN CN 98232723 patent/CN2339764Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113279862A (en) * | 2021-04-22 | 2021-08-20 | 泰兴市苏林机械有限公司 | Multi-fuel mixer control system and multi-fuel engine |
| CN113279862B (en) * | 2021-04-22 | 2024-05-14 | 泰兴市苏林机械有限公司 | Multi-fuel mixer control system and multi-fuel engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3875922A (en) | Vapor injection system | |
| US5199386A (en) | Variable air and water injection apparatus for internal combustion engines | |
| EP0323413A2 (en) | A perfected system, for supplying different fuels to otto engines with electronic fuel-injection | |
| CA2293040C (en) | Dual fuel system for internal combustion engine | |
| CA1211012A (en) | Dual fuel supply system | |
| EP0164465A1 (en) | Apparatus for enabling an engine to burn either liquid fuel or gaseous fuel | |
| CN2339764Y (en) | Gas-gasoline double-fuel engine carburator | |
| US5797379A (en) | Fuel delivery system | |
| WO2002090749A1 (en) | Device for feeding an internal combustion engine wth liquid emul sions and combustible gas | |
| CN2411349Y (en) | Oil-control-type carburetor for vehicle | |
| CN2367779Y (en) | Fuel regulator of engine of motorcycle | |
| CN2596044Y (en) | Integral type mixer for gaseous and liquid fuels | |
| CN2350542Y (en) | Combustible mixed gas controlling device for engine | |
| CN2471944Y (en) | Electric controlled thickening mixer for engine | |
| CN2435529Y (en) | Carburettor | |
| CN2463218Y (en) | Gas mixer specially adapted for compressed natural gas vehicle | |
| CN201016313Y (en) | Four-stroke universal petrol engine | |
| AU675208B2 (en) | Gaseous fuel delivery system | |
| CN2771495Y (en) | Gas mixing regulator | |
| CN2804398Y (en) | Dual-purpose feeder for gasoline and gas | |
| CN2499595Y (en) | Integrated gas supply device for IC engine | |
| CN2357142Y (en) | Gas and air mixer for double fuel IC engine | |
| CN2340920Y (en) | Automotive carburettor | |
| CN2464949Y (en) | Slide valve type gas mixer for internal combustion enigne | |
| CN2310867Y (en) | Controller for LPG moped and motorcycle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |