CN107269432A - A kind of metering reflux for gasoline - Google Patents
A kind of metering reflux for gasoline Download PDFInfo
- Publication number
- CN107269432A CN107269432A CN201710372307.8A CN201710372307A CN107269432A CN 107269432 A CN107269432 A CN 107269432A CN 201710372307 A CN201710372307 A CN 201710372307A CN 107269432 A CN107269432 A CN 107269432A
- Authority
- CN
- China
- Prior art keywords
- cavity
- liquid
- gasoline
- fuel tank
- engine
- 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
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
- F02M37/0047—Layout or arrangement of systems for feeding fuel
- F02M37/0052—Details on the fuel return circuit; Arrangement of pressure regulators
-
- 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
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/16—Other apparatus for heating fuel
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/32—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using rotatable arms or other pivotable transmission elements
Abstract
The invention discloses a kind of metering reflux for gasoline, including metrological service, the backflow mechanism above metrological service；Metrological service includes inlet, the liquid outlet connected with engine, the liquid-transport pipe-line between inlet and liquid outlet, the flowmeter in liquid-transport pipe-line connected with fuel tank；Engine is provided with oil return opening；The mechanism that flows back include the first cavity, on the first cavity with liquid return hole that oil return opening is connected, below the first cavity with through hole that liquid-transport pipe-line is connected, the gas outlet above the first cavity, gas outlet is connected with fuel tank.Apparatus of the present invention, the air isolated when high pressure oil return is depressured and is vented is passed through in fuel tank, has recycled the gasoline in air, it is to avoid be passed directly into outside air and pollute；Simultaneously as the oil return of engine has certain heat, in cold snap, the air isolated is passed directly into fuel tank, fuel tank is preheated, makes engine more fuel-efficient.
Description
Technical field
The present invention relates to a kind of metering reflux for gasoline.
Background technology
In the gasoline for entering engine, one one-tenth or so of gasoline can be burned off, and ninety percent or so gasoline can be by starting
The oil return opening backflow of machine, the gasoline of backflow is high pressure, wherein containing air, it is carried out at decompression exhaust generally by equipment
After reason, then remaining gasoline continued on in engine.
Separated air often takes certain gasoline out of, can make to take smell of petrol in air during discharge in discharge,
Air is polluted, while also result in the waste of gasoline resource.
The content of the invention
It is an object of the invention to provide a kind of metering reflux for gasoline, the gasoline that air is taken out of is recycled,
Fuel tank is preheated simultaneously, makes engine more fuel-efficient.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：
A kind of metering reflux for gasoline, including metrological service, the backflow mechanism above the metrological service；
Inlet that the metrological service includes connecting with fuel tank, the liquid outlet connected with engine, located at the inlet and
Liquid-transport pipe-line between the liquid outlet, the flowmeter in the liquid-transport pipe-line；The engine is provided with oil return opening；
The backflow mechanism includes the first cavity, the liquid return hole connected with the oil return opening on first cavity, set
The through hole connected with the liquid-transport pipe-line below first cavity, the gas outlet above first cavity, institute
Gas outlet is stated to connect with the fuel tank.
Preferably, the backflow mechanism also includes the controlling organization being located in first cavity, and the controlling organization is used
First cavity is set to connect and block with the liquid outlet when liquid level in first cavity is higher than the first setting value
The inlet；Be additionally operable to make when liquid level in first cavity is less than the second setting value the inlet and it is described go out liquid
Mouth connects and blocks the through hole.
Preferably, the backflow mechanism also prevents gasoline from the gas outlet including being located at being used in the gas outlet
The check valve of outflow.
Preferably, described device also includes being used for the visor of observation wherein liquid level on first cavity wall.
Preferably, the flowmeter is located between the inlet and the through hole.
Due to the utilization of above-mentioned technical proposal, the present invention has following advantages compared with prior art：A kind of use of the invention
In the metering reflux of gasoline, the air isolated when high pressure oil return is depressured and is vented is passed through in fuel tank, has been recycled point
Gasoline in the air separated out, it is to avoid be passed directly into outside air and pollute；Simultaneously as the oil return of engine has one
Fixed heat, in cold snap, the air isolated is passed directly into fuel tank, fuel tank is preheated, make engine more
To be fuel-efficient.
Brief description of the drawings
Accompanying drawing 1 is the structural representation that apparatus of the present invention are arranged between fuel tank and engine；
Accompanying drawing 2 is the structural representation of apparatus of the present invention.
Wherein：1st, metrological service；2nd, flow back mechanism；3rd, fuel tank；4th, inlet；5th, engine；6th, liquid outlet；7th, woven hose
Road；8th, flowmeter；9th, oil return opening；10th, the first cavity；11st, liquid return hole；12nd, through hole；13rd, gas outlet；14th, controlling organization；15、
Check valve；16th, visor；17th, coarse filtration filter；18th, refined filtration filter；19th, rotating shaft；20th, float；21st, ball is filled in；22nd, mounting seat；
23rd, connecting rod；24th, first connecting portion；25th, second connecting portion；26th, muffler.
Embodiment
The technical solution of the present invention will be further described below with reference to the accompanying drawings.
Referring to shown in Fig. 1-2, a kind of above-mentioned metering reflux for gasoline, including metrological service 1, located at dosing machine
The backflow mechanism 2 of the top of structure 1, the metering reflux is used for the volume read-out for accurately measuring fuel engines 5.
Fuel tank 3 is fuel-displaced, after coarse filtration filter 17, into inlet 4, then enters refined filtration filter 18, mistake by liquid outlet 6
Burnt in the oil feeding engine 5 filtered out, remaining oil on the cavity 10 of oil return opening 9 and first on engine 5 by returning liquid
Mouth 11 enters in the first cavity 10.
Metrological service 1 is including the inlet 4 connected with fuel tank 3, the liquid outlet 6 connected with engine 5, located at inlet 4
Liquid-transport pipe-line 7 between liquid outlet 6, the flowmeter 8 in liquid-transport pipe-line 7.
Backflow mechanism 2 includes the first cavity 10, the liquid return hole 11 connected with oil return opening 9 on the first cavity 10, set
The through hole 12 connected with liquid-transport pipe-line 7 in the lower section of the first cavity 10, the gas outlet 13 located at the top of the first cavity 10, gas outlet
13 are connected with fuel tank 3 by muffler 26.By setting the gas outlet 13, engine 5 can be eliminated because of the high pressure gasoline of backflow
It is caused the problems such as suppress pump, the accident rate of engine 5 is reduced, the service life of engine 5 is improved.In order to prevent weight
Multiple metering, the flowmeter 8 is located between inlet 4 and through hole 12.
For the gasoline taken out of when preventing air from being discharged from gas outlet 13 in the first cavity 10, the backflow mechanism 2 also includes
It is used for the check valve 15 for preventing that gasoline from flowing out from gas outlet 13 in gas outlet 13.Although there is provided check valve 15, empty
Gas still can inevitably take part of gasoline out of in discharge.By the way that gas outlet 13 is connected with fuel tank 3, by the first cavity
The air isolated during 10 mesohigh oil returns decompression exhaust is passed through in fuel tank 3, has recycled the gasoline in the air isolated,
Avoid being passed directly into and pollute and waste in outside air；Simultaneously as the oil return of engine 5 has certain heat,
During cold snap, the air isolated is passed directly into fuel tank 3, fuel tank 3 is preheated, makes engine 5 more fuel-efficient.
The backflow mechanism 2 also includes the controlling organization 14 being located in the first cavity 10.The controlling organization 14 is used for first
When liquid level in cavity 10 is higher than the first setting value, the first cavity 10 is set to be connected by through hole 12 with liquid outlet 6, and block feed liquor
Mouth 4；When the liquid level that the controlling organization 14 is additionally operable in the first cavity 10 is less than the second setting value, make inlet 4 and liquid outlet 6
Connection, and block through hole 12.
In the present embodiment, the controlling organization 14 includes the rotating shaft 19 being located in the first cavity 10 of rotation, located at rotating shaft
The float 20 of 19 one end, the plug ball 21 being located in liquid-transport pipe-line 7 located at the other end of rotating shaft 19, the diameter of the plug ball 21 is more than should
The diameter of through hole 12.The controlling organization 14 also includes the mounting seat 22, another located at the rotating shaft 19 for being fixedly arranged on the bottom of the first cavity 10
Connecting rod 23 between one end and plug ball 21, what the rotating shaft 19 was rotated in perpendicular is located in the mounting seat 22.The connection
Bar 23 is arranged in the through hole 12.One end of the rotating shaft 19 is hinged with first connecting portion 24, and the float 20 is fixedly arranged on first company
The top of socket part 24；The other end of the rotating shaft 19 is hinged with second connecting portion 25, and the upper end of the connecting rod 23 is located at second connection
In portion 25.
The plug ball 21 be used for when liquid level in the first cavity 10 is higher than the first setting value under the drive of connecting rod 23 to
Lower motion barrier makes oil enter liquid outlet 6 from the first cavity 10 between inlet 4 and liquid outlet 6；The plug ball 21 is additionally operable to
Motion is obstructed in through hole 12 and gone out upwards under the drive of connecting rod 23 when liquid level in first cavity 10 is less than the second setting value
Between liquid mouthful 6, oil is set to enter liquid outlet 6 from inlet 4.
In order to preferably observe the liquid level of gasoline in the first cavity 10, its spill-over is prevented, the device also includes being located at first
Being used on the side wall of cavity 10 observes the visor 16 of wherein liquid level.
The course of work of lower the present embodiment is illustrated in detail below：
Fuel tank 3 is fuel-displaced, after coarse filtration filter 17, into inlet 4, then enters refined filtration filter 18, mistake by liquid outlet 6
Burnt in the oil feeding engine 5 filtered out, remaining oil on the cavity 10 of oil return opening 9 and first on engine 5 by returning liquid
Mouth 11 enters in the first cavity 10, and when liquid level is higher than the first setting value, gasoline flows to liquid outlet 6 by the first cavity 10；When
When liquid level is less than the second setting value, gasoline flows to liquid outlet 6 by inlet 4；The sky containing gasoline discharged in gas outlet 13
Gas is entered in fuel tank 3 by muffler 26.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all according to the present invention
The equivalent change or modification that Spirit Essence is made, should all be included within the scope of the present invention.
Claims (5)
1. a kind of metering reflux for gasoline, it is characterised in that：Including metrological service, above the metrological service
Backflow mechanism；
Inlet that the metrological service includes connecting with fuel tank, the liquid outlet connected with engine, located at the inlet and
Liquid-transport pipe-line between the liquid outlet, the flowmeter in the liquid-transport pipe-line；The engine is provided with oil return opening；
The backflow mechanism includes the first cavity, the liquid return hole connected with the oil return opening on first cavity, set
The through hole connected with the liquid-transport pipe-line below first cavity, the gas outlet above first cavity, institute
Gas outlet is stated to connect with the fuel tank.
2. a kind of metering reflux for gasoline according to claim 1, it is characterised in that：The backflow mechanism is also
Including the controlling organization in first cavity, the controlling organization is higher than for the liquid level in first cavity
First cavity is connected with the liquid outlet during the first setting value and block the inlet；It is additionally operable in first chamber
Liquid level in body makes the inlet be connected with the liquid outlet and blocks the through hole when being less than the second setting value.
3. a kind of metering reflux for gasoline according to claim 1, it is characterised in that：The backflow mechanism is also
Including the check valve for preventing that gasoline from flowing out from the gas outlet that is used in the gas outlet.
4. a kind of metering reflux for gasoline according to claim 1, it is characterised in that：Described device also includes
Being used on first cavity wall observes the visor of wherein liquid level.
5. a kind of metering reflux for gasoline according to claim 1, it is characterised in that：The flowmeter is located at
Between the inlet and the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710372307.8A CN107269432A (en) | 2017-05-24 | 2017-05-24 | A kind of metering reflux for gasoline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710372307.8A CN107269432A (en) | 2017-05-24 | 2017-05-24 | A kind of metering reflux for gasoline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107269432A true CN107269432A (en) | 2017-10-20 |
Family
ID=60064771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710372307.8A Pending CN107269432A (en) | 2017-05-24 | 2017-05-24 | A kind of metering reflux for gasoline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107269432A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115535268A (en) * | 2022-11-28 | 2022-12-30 | 中国民用航空飞行学院 | Aircraft fuel cooling system based on flight safety guarantee |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3817273A (en) * | 1970-05-22 | 1974-06-18 | C Erwin | Fuel system for diesel engines |
| US4479465A (en) * | 1983-05-02 | 1984-10-30 | Flynn Robert E | Fuel-measuring flow system for diesel engines |
| US4763684A (en) * | 1985-04-03 | 1988-08-16 | Mannesmann Kienzle Gmbh | Gas separation valve assembly for a diesel motor system equipped for measuring fuel consumption |
| US5579740A (en) * | 1995-01-20 | 1996-12-03 | Walbro Corporation | Fuel handling system |
| CN201265466Y (en) * | 2008-10-06 | 2009-07-01 | 洛阳栾川钼业集团股份有限公司 | Fuel loop pressure reducer of motor vehicle engine |
| CN106352932A (en) * | 2016-11-01 | 2017-01-25 | 张家港海纳德智能科技有限公司 | Liquid measurement device with backflow mechanism |
-
2017
- 2017-05-24 CN CN201710372307.8A patent/CN107269432A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3817273A (en) * | 1970-05-22 | 1974-06-18 | C Erwin | Fuel system for diesel engines |
| US4479465A (en) * | 1983-05-02 | 1984-10-30 | Flynn Robert E | Fuel-measuring flow system for diesel engines |
| US4763684A (en) * | 1985-04-03 | 1988-08-16 | Mannesmann Kienzle Gmbh | Gas separation valve assembly for a diesel motor system equipped for measuring fuel consumption |
| US5579740A (en) * | 1995-01-20 | 1996-12-03 | Walbro Corporation | Fuel handling system |
| CN201265466Y (en) * | 2008-10-06 | 2009-07-01 | 洛阳栾川钼业集团股份有限公司 | Fuel loop pressure reducer of motor vehicle engine |
| CN106352932A (en) * | 2016-11-01 | 2017-01-25 | 张家港海纳德智能科技有限公司 | Liquid measurement device with backflow mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115535268A (en) * | 2022-11-28 | 2022-12-30 | 中国民用航空飞行学院 | Aircraft fuel cooling system based on flight safety guarantee |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171020 |