CN109356758A - A kind of engine fuel system - Google Patents
A kind of engine fuel system Download PDFInfo
- Publication number
- CN109356758A CN109356758A CN201811374422.XA CN201811374422A CN109356758A CN 109356758 A CN109356758 A CN 109356758A CN 201811374422 A CN201811374422 A CN 201811374422A CN 109356758 A CN109356758 A CN 109356758A
- Authority
- CN
- China
- Prior art keywords
- oil
- fuel tank
- auxiliary fuel
- carburetor
- tank body
- 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.)
- Pending
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 25
- 239000002828 fuel tank Substances 0.000 claims abstract description 54
- 239000003502 gasoline Substances 0.000 claims abstract description 8
- 239000003921 oil Substances 0.000 description 64
- 239000000295 fuel oil Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/0076—Details of the fuel feeding system related to the fuel tank
- F02M37/0088—Multiple separate fuel tanks or tanks being at least partially partitioned
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/0076—Details of the fuel feeding system related to the fuel tank
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/04—Feeding by means of driven pumps
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a kind of engine fuel systems, including the oil tank body (1) and carburetor (2) being arranged on engine (13), the oil supply system further includes auxiliary fuel tank (3), the oil tank body (1) is connect by oil circuit mechanism with auxiliary fuel tank (3), and the auxiliary fuel tank (3) is connect by pipeline with carburetor (2)；The auxiliary fuel tank (3) is higher than carburetor (2).The present invention has the advantages that smart structural design, using simple, low in cost, compact-sized, using it the fuel feeding of safety and stability can be provided to gasoline engine, it prevents and occurs tilting under complex environment or when larger shake, carbureter needle is opened, the generation of carburetor oil leakage phenomenon.
Description
Technical field
The present invention relates to a kind of engine, especially a kind of engine fuel system.
Background technique
Currently, general there are two types of mounting means, i.e. fuel tank oil outlet oil for the installation site of general purpose engine fuel tank
Position is higher than carburetor installation and fuel tank oil outlet is installed lower than carburetor.When fuel tank oil outlet oil level is higher than carburetor, fuel oil is logical
It crosses gravity and flows into carburetor, be nature fuel feeding；When fuel tank oil outlet oil level is lower than carburetor, in fuel tank oil outlet and it need to change
Petrol pump, such as negative pressure pump are installed, the fuel oil of low oil level is pumped into the carburetor of high oil level by oil pump, is between oily device fuel feed hole
Force fuel feeding.Natural fuel feeding is safe and reliable, and fuel feeding is stablized, and is not required to the attachmentes such as installation petrol pump, and complete machine structure is simple, but fuel tank
Installation site is higher, especially for vertical petrol machinery, increases the height dimension of complete machine, is unfavorable for answering for engine power
With.Using forcing fuel feeding that fuel tank mounting height can be made to keep complete machine structure more compact lower than carburetor, but force fuel feeding oil pressure compared with
Height, the gasoline engine for being applied to complex environment are often in heeling condition and use or have larger shake, and carbureter needle is caused to be beaten
Open that degree is suddenly big or suddenly small, the high pressure fuel in petrol pump largely enters carburetor at this time, causes carburetor bowl oil inlet excessive
And reveal leakage.
Summary of the invention
It is an object of the invention to provide a kind of engine fuel systems that fuel feeding is stable.
It is realized the purpose of the present invention is technical solution in this way, a kind of engine fuel system, including setting exist
Oil tank body and carburetor on engine, the oil supply system further include auxiliary fuel tank, and the oil tank body passes through oil circuit mechanism
It is connect with auxiliary fuel tank, the auxiliary fuel tank is connect by pipeline with carburetor；The auxiliary fuel tank is higher than carburetor.
Wherein, the oil circuit mechanism includes petrol pump, and the petrol pump includes inlet nozzle, oil outlet and gas nozzle；Described
Oil inlet and oil outlet are provided on auxiliary fuel tank；The inlet nozzle is connected by the lower end of pipeline A and oil tank body, described fuel-displaced
Mouth is connect by pipeline B with oil inlet, and the gas nozzle is connect by pipeline C with the crankcase on engine；The oil outlet is logical
Piping D is connect with carburetor.
The fuel oil for leading to carburetor for the ease of opening and closing fuel tank, is provided with oil circuit breaker on the pipeline D, described
Oil circuit breaker is arranged on the outer wall of petrol pump.
For the ease of starting gasoline engine, enriching pump is provided on the outer wall of the petrol pump, the enriching pump passes through pipe
Road E is connect with carburetor.
It further describes, the auxiliary fuel tank connect with oil tank body and be arranged in the side of the oil tank body, the pair
The inner cavity of fuel tank is connected to by gasoline channel with the inner cavity of oil tank body.
Alternatively, the oil tank body and auxiliary fuel tank are independently arranged, the inner cavity of the auxiliary fuel tank passes through pipeline and oil tank body
Inner cavity connection.
Alternatively, the auxiliary fuel tank connect with oil tank body and is arranged in the side of the oil tank body, the auxiliary fuel tank
Inner cavity and the inner cavity of oil tank body are independently arranged, and the inner cavity of the auxiliary fuel tank is connected to by pipeline with the inner cavity of oil tank body.
By adopting the above-described technical solution, the present invention has smart structural design, uses simple, low in cost, structure
Compact advantage can provide the fuel feeding of safety and stability to gasoline engine using it, it is therefore prevented that occur tilting under complex environment or
When larger shake, carbureter needle is opened, the generation of carburetor oil leakage phenomenon.
Detailed description of the invention
Detailed description of the invention of the invention is as follows:
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is petrol pump structural schematic diagram of the invention；
Fig. 3 is the first structural schematic diagram of oil tank body and auxiliary fuel tank；
Fig. 4 is second of structural schematic diagram of oil tank body and auxiliary fuel tank；
Fig. 5 is the third structural schematic diagram of oil tank body and auxiliary fuel tank.
Specific embodiment
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing, but the present invention does not limit to
In these embodiments, any improvement or substitution on the present embodiment essence spirit still falls within the claims in the present invention and is wanted
Seek the range of protection.
Embodiment 1: as shown in Figure 1, 2, 3, a kind of engine fuel system, including the fuel tank sheet being arranged on engine 13
Body 1 and carburetor 2, the oil supply system further include auxiliary fuel tank 3, and the oil tank body 1 is connected by oil circuit mechanism and auxiliary fuel tank 3
It connects, the auxiliary fuel tank 3 is connect by pipeline with carburetor 2；The auxiliary fuel tank 3 is higher than carburetor 2.
Wherein, the oil circuit mechanism includes petrol pump 4, and the petrol pump 4 includes inlet nozzle 5, oil outlet 6 and gas nozzle 7；?
Oil inlet 8 and oil outlet 9 are provided on the auxiliary fuel tank 3；The inlet nozzle 5 is connected by the lower end of pipeline A10 and oil tank body 1
It connects, the oil outlet 6 is connect by pipeline B11 with oil inlet 8, and the gas nozzle 7 passes through the crankshaft on pipeline C12 and engine 13
Case 14 connects；The oil outlet 9 is connect by pipeline D15 with carburetor 2.
The present invention operates in such a way: when piston stroking upward in petrol engine negative pressure will be generated in cabinet, negative pressure passes through
Pipeline C12 drives petrol pump 4, at this point, the valve block at the oil outlet 6 on petrol pump 4 is closed, the valve block at inlet nozzle 5 is opened, combustion
Oil is inhaled into the grease chamber of petrol pump 4 by pipeline A10；Piston downlink, cabinet is interior to generate positive pressure, and positive pressure is driven by pipeline C12
Dynamic petrol pump 4, at this point, the valve block at the inlet nozzle 5 of petrol pump is closed, the valve block at oil outlet 6 is opened, and fuel oil is forced out gasoline
The grease chamber of pump enters auxiliary fuel tank 3 by pipeline B11；Auxiliary fuel tank 3 is consistently higher than carburetor 2, and fuel oil passes through gravity from pipeline
D15 enters carburetor 2.
For the ease of opening and closing the supply of fuel oil, oil circuit breaker 16, the oil circuit breaker are provided on the pipeline D15
16 are arranged on the outer wall of petrol pump 4.
For the ease of starting petrol engine, enriching pump 17, the enriching pump are provided on the outer wall of the petrol pump 4
17 are connect by pipeline E18 with carburetor 2.
Further, the auxiliary fuel tank 3 connect with box-like body 1 and is arranged in the side of the oil tank body 1, the secondary oil
The inner cavity of case 3 is connected to by gasoline channel 19 with the inner cavity of oil tank body 1.
Embodiment 2: as shown in figure 4, the oil tank body 1 and auxiliary fuel tank 3 are independently arranged, the inner cavity of the auxiliary fuel tank 3 is logical
Piping 20 is connected to the inner cavity of oil tank body 1.
Embodiment 3: as shown in figure 5, the auxiliary fuel tank 3 connect with oil tank body 1 and be arranged in the one of the oil tank body 1
Side, the inner cavity of the auxiliary fuel tank 3 are independently arranged with the inner cavity of oil tank body 1, the inner cavity of the auxiliary fuel tank 3 by pipeline 20 with
The inner cavity of oil tank body 1 is connected to.
Claims (7)
1. a kind of engine fuel system, special including the oil tank body (1) and carburetor (2) being arranged on engine (13)
Sign is: the oil supply system further includes auxiliary fuel tank (3), and the oil tank body (1) is connect by oil circuit mechanism with auxiliary fuel tank (3),
The auxiliary fuel tank (3) is connect by pipeline with carburetor (2)；The auxiliary fuel tank (3) is higher than carburetor (2).
2. engine fuel system as described in claim 1, it is characterized in that: the oil circuit mechanism includes petrol pump (4), it is described
Petrol pump (4) includes inlet nozzle (5), oil outlet (6) and gas nozzle (7)；Be provided on the auxiliary fuel tank (3) oil inlet (8) and
Oil outlet (9)；The inlet nozzle (5) passes through pipeline A(10) it is connect with the lower end of oil tank body (1), the oil outlet (6) passes through
Pipeline B(11) it is connect with oil inlet (8), the gas nozzle (7) passes through pipeline C(12) connect with the crankcase (14) on engine (13)
It connects；The oil outlet (9) passes through pipeline D(15) it is connect with carburetor (2).
3. engine fuel system as claimed in claim 2, it is characterized in that: in the pipeline D(15) on be provided with oil circuit breaker
(16), the oil circuit breaker (16) is arranged on the outer wall of petrol pump (4).
4. engine fuel system as claimed in claim 3, it is characterized in that: being provided on the outer wall of the petrol pump (4)
Enriching pumps (17), and the enriching pump (17) passes through pipeline E(18) it is connect with carburetor (2).
5. the engine fuel system as described in claim 2,3 or 4, it is characterized in that: the auxiliary fuel tank (3) and oil tank body
(1) it connects and is arranged in the side of the oil tank body (1), the inner cavity of the auxiliary fuel tank (3) passes through gasoline channel (19) and oil
The inner cavity of case ontology (1) is connected to.
6. the engine fuel system as described in claim 2,3 or 4, it is characterized in that: the oil tank body (1) and auxiliary fuel tank
(3) it is independently arranged, the inner cavity of the auxiliary fuel tank (3) is connected to by pipeline (20) with the inner cavity of oil tank body (1).
7. the engine fuel system as described in claim 2,3 or 4, it is characterized in that: the auxiliary fuel tank (3) and oil tank body
(1) it connects and is arranged in the side of the oil tank body (1), the inner cavity of the auxiliary fuel tank (3) and the inner cavity of oil tank body (1) are equal
It is independently arranged, auxiliary fuel tank (3) inner cavity is connected to by pipeline (20) with the inner cavity of oil tank body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811374422.XA CN109356758A (en) | 2018-11-19 | 2018-11-19 | A kind of engine fuel system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811374422.XA CN109356758A (en) | 2018-11-19 | 2018-11-19 | A kind of engine fuel system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109356758A true CN109356758A (en) | 2019-02-19 |
Family
ID=65332181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811374422.XA Pending CN109356758A (en) | 2018-11-19 | 2018-11-19 | A kind of engine fuel system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109356758A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648117A (en) * | 2019-10-09 | 2021-04-13 | 常州富士常柴罗宾汽油机有限公司 | Low-emission gasoline engine and preparation process thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR880067A (en) * | 1941-03-10 | 1943-03-12 | Bayerische Motoren Werke Ag | Auxiliary device for automotive fuel tanks |
| CN2574975Y (en) * | 2002-10-10 | 2003-09-24 | 庄冷双 | Front two-wheel steering three-wheel manpower tricycle |
| CN2720131Y (en) * | 2004-07-01 | 2005-08-24 | 李安林 | Motorcycle oil-way multifunction automatic switch |
| CN101070801A (en) * | 2007-06-15 | 2007-11-14 | 重庆隆鑫工业（集团）有限公司 | Negative pressure driving fuel supply device for general gasoline engine |
| CN102877992A (en) * | 2012-09-26 | 2013-01-16 | 力帆实业(集团)股份有限公司 | Motorcycle fuel supply system with low fuel tank |
| CN203463197U (en) * | 2013-09-23 | 2014-03-05 | 重庆宗申通用动力机械有限公司 | Thickening system for general gasoline engine |
| CN209083450U (en) * | 2018-11-19 | 2019-07-09 | 重庆宗申通用动力机械有限公司 | A kind of engine fuel system |
-
2018
- 2018-11-19 CN CN201811374422.XA patent/CN109356758A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR880067A (en) * | 1941-03-10 | 1943-03-12 | Bayerische Motoren Werke Ag | Auxiliary device for automotive fuel tanks |
| CN2574975Y (en) * | 2002-10-10 | 2003-09-24 | 庄冷双 | Front two-wheel steering three-wheel manpower tricycle |
| CN2720131Y (en) * | 2004-07-01 | 2005-08-24 | 李安林 | Motorcycle oil-way multifunction automatic switch |
| CN101070801A (en) * | 2007-06-15 | 2007-11-14 | 重庆隆鑫工业（集团）有限公司 | Negative pressure driving fuel supply device for general gasoline engine |
| CN102877992A (en) * | 2012-09-26 | 2013-01-16 | 力帆实业(集团)股份有限公司 | Motorcycle fuel supply system with low fuel tank |
| CN203463197U (en) * | 2013-09-23 | 2014-03-05 | 重庆宗申通用动力机械有限公司 | Thickening system for general gasoline engine |
| CN209083450U (en) * | 2018-11-19 | 2019-07-09 | 重庆宗申通用动力机械有限公司 | A kind of engine fuel system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648117A (en) * | 2019-10-09 | 2021-04-13 | 常州富士常柴罗宾汽油机有限公司 | Low-emission gasoline engine and preparation process thereof |
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| PB01 | Publication | ||
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