CN2550520Y - New carbureter - Google Patents
New carbureter Download PDFInfo
- Publication number
- CN2550520Y CN2550520Y CN 02232510 CN02232510U CN2550520Y CN 2550520 Y CN2550520 Y CN 2550520Y CN 02232510 CN02232510 CN 02232510 CN 02232510 U CN02232510 U CN 02232510U CN 2550520 Y CN2550520 Y CN 2550520Y
- Authority
- CN
- China
- Prior art keywords
- fuel
- variable cross
- section
- needle valve
- spindle
- 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
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- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a novel carburetor, which mainly comprises a needle valve, a float, a float chamber, fuel, a main metering jet throttle controlling device and other components. The utility model is characterized in that the needle valve 1 is a cone which is formed by a multistage cone column, and the main metering jet 7 is a variable cross section through hole. The multicone needle valve can control the supply of the fuel quantity, in order to meet the requirement of the fuel usage in appropriate amount of multiple loading conditions; the rate of outflow of the fuel is faster than the rate of inflow in the main metering jet of the variable cross section, the speed of the fuel entering a hollow throat is increased, the collision with the air is intensified, the mixing and the atomization are full, and the combustion efficiency is high. Therefore, the novel carburetor can save the energy, reduce the consumption, and reduce the discharge amount.
Description
Technical field
The utility model relates to a kind of Carburetor, particularly a kind of novel energy-conserving Carburetor.
Background technique
The general work principle of novel Carburetor is identical with the working principle of common Carburetor, and promptly under the effect of trunnion degree of vacuum, fuel oil sprays in the trunnion through jet pipe from float chamber.In like manner, under the effect of degree of vacuum, air just flows into trunnion through empty filter.Because both flow velocitys are very fast, utilize their kinetic energy, make air fully mix the formation inflammable gas with fuel oil.
But the spindle in the common Carburetor is a single awl spindle, and its bottom is the one-level cone, and when being useful for motor from little load, the circulation area of jet becomes big by following, and the mixed gas of supply is thickened by rare.Be after all extracting the main jet hydraulic fluid port by the taper spindle area of injection orifice to be increased and the supply rich mixture during big the load.The problem of Yin Faing is exactly that spindle does not participate in the accurate control of mixture strength, makes some operating mode cause the mixed gas overrich when big load thus, and fuel oil consumes in vain.In addition, the main jet of common Carburetor is a uniform section through hole, learns from fluid mechanics, and when fluid flowed in pipeline, if pipeline sectional area difference everywhere, the flowing velocity when then fluid is flowed through everywhere also was different with static pressure.Sectional area is littler, and flow velocity is bigger, and static pressure is lower.This shows that under the negative pressure same case, the speed that fuel oil flows out main jet is identical with the flow velocity that enters main jet in float chamber, this just is unfavorable for that its kinetic energy increases, and promotes fuel-oil atmozation.
The model utility content
In order to overcome above-mentioned technical deficiency, the Carburetor that the concentration that the utility model provides a kind of spindle also to participate in certain mixed gas is controlled.
The technical solution adopted in the utility model is, in the Carburetor of forming by spindle, float, float chamber, fuel oil, main jet accelerator control device etc., its spindle is to bore the cone that post constitutes by the two poles of the earth tapering different one-level awl post and secondary, and main jet is the variable cross section through hole.
The utility model has the advantages that:, be equivalent to high load working condition is marked off the operating mode of different phase again, thereby reach purpose of energy saving owing to adopt the two poles of the earth tapering; Simultaneously, main jet is the variable cross section through hole, and it is faster than the flow velocity that flows into main jet that fuel oil flows out the speed of main jet, and mixed aerosol better effects if, combustion efficiency are higher.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the carburetor main view of the utility model structure.
1. spindles among the figure, 2. directional post, 3. one-level awl post, 4. secondary awl post, 5. fuel oil, 6. float chamber, 7. variable cross section main jet.
Embodiment
In the drawings, in the Carburetor of forming by spindle 1, float and float chamber 6, fuel oil 5, main jet accelerator control device etc., spindle 1 inserts in the variable cross section main jet 7, spindle 1 mainly comprises three sections, be respectively directional post 2, one-level awl post 3, secondary awl post 4, promptly increase an one-level awl post 3, form the spindle that constitutes by two-stage awl post, and spindle 1 is prolonged at common single awl spindle middle part.The taper value of one-level awl post 3, secondary awl post 4 is inequality, one-level awl post 3 taperings are little, operating mode when from little the load to, loading to adapt to motor, the tapering of secondary awl post 4 is big, therefrom load big when load to the control of jet circulation area to adapt to motor, and the mixed gas of supply is thickened by rare.Like this, be equivalent to high load working condition is marked off the operating mode of different phase again, accurately control by 4 pairs of characteristic of fuel delivery of secondary awl post, thereby reach purpose of energy saving.In the actual using process of motorcycle, also meet above-mentioned situation.As transport the goods of different quality; Run the road surface of different situations under the friction speed, all will use the high load working condition of different situations.
Simultaneously, the variable cross section main jet 7 of Carburetor is the variable cross section through hole; In the main jet of variable cross section, the speed that fuel oil 5 flows out is obviously fast than the speed that flows into.Therefore, the speed that fuel oil enters trunnion increases, and with the collision aggravation of air, the mixed aerosol effect is better than common Carburetor, and it is higher to fire combustion efficiency like this, reaches purpose energy-conservation, consumption reduction.
Claims (1)
1, a kind of novel Carburetor mainly is made up of spindle, float, float chamber, fuel oil, main jet accelerator control device etc., it is characterized in that: spindle (1) is to bore the cone that post (4) constitutes by two-stage taper value different one-level awl post (3) and secondary, and main jet (7) is the variable cross section through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02232510 CN2550520Y (en) | 2002-04-15 | 2002-04-15 | New carbureter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02232510 CN2550520Y (en) | 2002-04-15 | 2002-04-15 | New carbureter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2550520Y true CN2550520Y (en) | 2003-05-14 |
Family
ID=33707878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02232510 Expired - Fee Related CN2550520Y (en) | 2002-04-15 | 2002-04-15 | New carbureter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2550520Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883429A (en) * | 2013-07-24 | 2014-06-25 | 王树卿 | Three-level regulation type novel carburetor |
-
2002
- 2002-04-15 CN CN 02232510 patent/CN2550520Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883429A (en) * | 2013-07-24 | 2014-06-25 | 王树卿 | Three-level regulation type novel carburetor |
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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 |