CN206600217U - Fuel oil heating device for double oil tanks - Google Patents
Fuel oil heating device for double oil tanks Download PDFInfo
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- CN206600217U CN206600217U CN201720179471.2U CN201720179471U CN206600217U CN 206600217 U CN206600217 U CN 206600217U CN 201720179471 U CN201720179471 U CN 201720179471U CN 206600217 U CN206600217 U CN 206600217U
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- fuel tank
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- pipe
- oil
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- 239000003921 oil Substances 0.000 title claims abstract description 87
- 239000000295 fuel oil Substances 0.000 title claims abstract description 52
- 238000010438 heat treatment Methods 0.000 title abstract description 13
- 239000002828 fuel tank Substances 0.000 claims abstract description 182
- 239000008236 heating water Substances 0.000 claims abstract description 39
- 239000000446 fuel Substances 0.000 claims description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 239000000498 cooling water Substances 0.000 abstract description 7
- 230000010354 integration Effects 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract 2
- 238000010257 thawing Methods 0.000 description 7
- 239000012530 fluid Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000002283 diesel fuel Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 241001347978 Major minor Species 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000008450 motivation Effects 0.000 description 2
- 239000010705 motor oil Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Feeding And Controlling Fuel (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
A fuel oil heating device for double fuel tanks is clamped on the upper surface of a main fuel tank, a sucking disc is arranged on the device at the position close to the bottom of the main fuel tank, the device comprises a manual change-over valve, a main oil tank oil suction port, a main oil tank oil return port, an auxiliary oil tank oil suction port and an auxiliary oil tank oil return port, wherein the manual change-over valve is connected with a main oil tank oil suction pipe and a main oil tank oil return pipe respectively, the main oil tank oil suction pipe and the main oil tank oil return pipe are arranged in a main oil tank, the main oil tank oil suction pipe and the main oil tank oil return pipe are wound with a heating water surrounding pipe, one port of the heating water surrounding pipe is connected with an engine cooling water outlet, the other port of the heating water surrounding pipe is connected with an engine cooling water inlet, the bottom of the heating water surrounding pipe is sleeved with a heat insulation cover, one end of a sucker is clamped with the heat insulation cover, and the other end of the sucker is attached to the bottom. The design has the advantages of high reliability, simple and convenient assembly, simple structure, high integration level and simple and convenient operation.
Description
Technical field
The utility model is related to vehicle fuel supply technical field, more particularly to a kind of fuel Heating for being used for double fuel tanks is filled
Put, be primarily adapted for use in raising unfailing performance.
Background technology
Existing commercial car two-chamber fuel tank is usually the fuel pipe that two independent hand-operated valves control each fuel tank, is led
The problem of cause is troublesome poeration, and vehicle pipeline is complicated, and the oil mass liquid level of small chamber can not be shown.
Chinese patent, Authorization Notice No. is CN204921205U, and authorized announcement date is new for the practicality on December 30th, 2015
Type discloses a kind of embedded integrated heat exchange type fuel tank heater, including major-minor fuel tank fuel feeding conversion control device, heat are handed over
Changing device, fuel feeding filter, main fuel tank top offer pore structure, and heat-exchange device is embedded in main fuel tank by pore structure and connected
Fixed, major-minor fuel tank fuel feeding conversion control device is connected with heat-exchange device top, and fuel feeding filter is filled positioned at heat exchange
Put lower end inside.Although diesel oil condenses the problem of blocking oil circuit when the utility model can effectively prevent from meeting with low temperature, it is still
So there is following defect：Fuel feeding filter is arranged on the lower end of heat-exchange device in the utility model, fuel feeding filter with
Main fuel tank bottom is not contacted, and fuel tank heater is only embedded in main fuel tank by the pore structure of main fuel tank and is connected, using above-mentioned peace
Dress mode, when vehicle condition is poor or after permanent use, fuel tank heater can produce dancing, so as to reduce general assembly
Unfailing performance.
The content of the invention
The purpose of this utility model is that the defect for overcoming reliability present in prior art low can there is provided one kind with problem
By the high fuel oil heater for double fuel tanks of property.
To realize object above, technical solution of the present utility model is：It is a kind of to be used for the fuel Heating dress of double fuel tanks
Put, the device card is mounted in the upper surface of main fuel tank, described to be used to be located at close to main fuel tank bottom on the fuel oil heater of double fuel tanks
The position in portion is provided with sucker, and the bottom of the sucker and main fuel tank fits.
The fuel oil heater for being used for double fuel tanks includes main fuel tank fuel sucking pipe and main fuel tank oil return pipe, the main fuel tank
Fuel sucking pipe is arranged in main fuel tank with main fuel tank oil return pipe, and the main fuel tank fuel sucking pipe, the outside of main fuel tank oil return pipe are wound with
Water circular tube is heated, the Single port connection engine cool water out of the heating water circular tube heats the another of water circular tube
Port connects engine cool water inlet.
The bottom of the heating water circular tube is arranged with heat shield, one end and the heat shield phase clamping, sucker of the sucker
The other end and the bottom of main fuel tank fit.
The heating water circular tube includes the straight sections and spiral pipe portion being connected, and the straight sections pass through band and main oil
The top of case fuel sucking pipe is connected, and the straight sections are in contact with the top of main fuel tank oil return pipe, and the spiral pipe portion is wound on master
On fuel tank oil suction pipe, the bottom of main fuel tank oil return pipe.
The fuel oil heater for being used for double fuel tanks also includes manual switching valve and coupled main fuel tank is inhaled
Hydraulic fluid port, main fuel tank oil return opening, auxiliary fuel tank inlet port, auxiliary fuel tank oil return opening, the manual switching valve respectively with main fuel tank fuel sucking pipe,
Main fuel tank oil return pipe is connected.
The heating water circular tube is connected with engine cool water out, engine cool water inlet respectively by magnetic valve
Connect, sensor is integrated with the magnetic valve.
Compared with prior art, the beneficial effects of the utility model are：
1st, the utility model is a kind of is used for the upper surface that the device card in the fuel oil heater of double fuel tanks is mounted in main fuel tank,
The position of main fuel tank bottom is provided with sucker in the device, the bottom of sucker and main fuel tank fits, such design is not
Only assemble easy, and set up sucker, so that device fits with tank bottoms, it is ensured that device is not lived and put, improve assembly dress
The unfailing performance matched somebody with somebody.Therefore, not only reliability is high for the utility model, and assembling is easy.
2nd, the utility model is a kind of is used for main fuel tank fuel sucking pipe in the fuel oil heater of double fuel tanks, main fuel tank oil return pipe
Outside is wound with heating water circular tube, and the Single port connection engine cool water out of heating water circular tube heats water circular tube
Another port connects engine cool water inlet, using the heating pipe of said structure, simplifies heat-exchange device, meanwhile, ring
Around the heating water bath of tubular type so that fuel oil thawing time is short, effect is good, the fuel oil in relatively reliable defrosting main fuel tank.Therefore,
The utility model is simple in construction, reliability is high.
3rd, heating water circular tube is straight including what is be connected in a kind of fuel oil heater for double fuel tanks of the utility model
Pipe portion and spiral pipe portion, straight sections are connected by band with the top of main fuel tank fuel sucking pipe, straight sections and main fuel tank oil return pipe
Top be in contact, spiral pipe portion is wound on main fuel tank fuel sucking pipe, on the bottom of main fuel tank oil return pipe, and such design is not only installed
Simplicity, and using the heating water circular tube of said structure, while reliable defrosting main fuel tank fuel oil, reduce heating water ring
Around the manufacturing cost of pipe；In addition, the bottom of heating water circular tube is arranged with heat shield, sets up heat shield and can be very good to heat
Fuel oil separate with unheated fuel oil, improve unfailing performance.Therefore, the utility model simple installation, cost it is low, can
It is high by property.
4th, main fuel tank fuel sucking pipe, main fuel tank oil return pipe are equal in a kind of fuel oil heater for double fuel tanks of the utility model
Be connected with manual switching valve, be provided with manual switching valve main fuel tank inlet port, main fuel tank oil return opening, auxiliary fuel tank inlet port,
Auxiliary fuel tank oil return opening, when the handle of manual switching valve is in level, auxiliary fuel tank inlet port and main fuel tank inlet port are in valve body
Portion connects to form a separate chamber, and auxiliary fuel tank oil return opening connects to form a separate chamber with main fuel tank oil return opening in valve inner,
Engine is now started using the fuel oil in auxiliary fuel tank, when manual switching valve handle down when, main fuel tank inlet port and main oil
Case fuel sucking pipe is docked and connected, and main fuel tank oil return opening is docked and connected with main fuel tank oil return pipe, is now opened using the fuel oil in main fuel tank
Dynamic engine, using manual switching valve, simplifies the structure of device, improves the integrated level of device；In addition, heating water circular tube
It is connected respectively with engine cool water out, engine cool water inlet by magnetic valve, sensor is integrated with magnetic valve,
Such design can decide whether to open water heating with automatic sensing water temperature, easy to operate and improve unfailing performance.Therefore,
The utility model is not only simple in structure, integrated level high, and easy to operate, reliability is high.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the bottom, cross-sectional view for the fuel oil heater that the utility model is used for double fuel tanks.
Fig. 3 is the structural representation of sucker in Fig. 1.
In figure：Main fuel tank fuel sucking pipe 1, main fuel tank oil return pipe 2, heating water circular tube 3, engine cool water out 31, hair
Motivation cooling water inlet 32, straight sections 33, spiral pipe portion 34, band 4, heat shield 5, manual switching valve 6, auxiliary fuel tank inlet port
61st, main fuel tank inlet port 62, auxiliary fuel tank oil return opening 63, main fuel tank oil return opening 64, magnetic valve 7, sucker 8.
Embodiment
The utility model is described in further detail below in conjunction with brief description of the drawings and embodiment.
A kind of to be used for the fuel oil heater of double fuel tanks referring to Fig. 1 to Fig. 3, the device card is mounted in the upper surface of main fuel tank,
It is described be used to being located on the fuel oil heater of double fuel tanks the position of main fuel tank bottom is provided with sucker 8, the sucker 8 with
The bottom of main fuel tank fits.
The fuel oil heater for being used for double fuel tanks includes main fuel tank fuel sucking pipe 1 and main fuel tank oil return pipe 2, the main oil
Case fuel sucking pipe 1 and main fuel tank oil return pipe 2 are arranged in main fuel tank, the main fuel tank fuel sucking pipe 1, main fuel tank oil return pipe 2 it is outer
Portion is wound with heating water circular tube 3, and the Single port connection engine cool water out 31 of the heating water circular tube 3 heats water ring
Around the another port connection engine cool water inlet 32 of pipe 3.
The bottom of the heating water circular tube 3 is arranged with heat shield 5, one end and the phase clamping of heat shield 5 of the sucker 8,
The other end of sucker 8 and the bottom of main fuel tank fit.
The heating water circular tube 3 includes the straight sections 33 and spiral pipe portion 34 being connected, and the straight sections 33 are by pricking
It is connected with 4 with the top of main fuel tank fuel sucking pipe 1, the straight sections 33 are in contact with the top of main fuel tank oil return pipe 2, the spiral shell
Coil portion 34 is wound on main fuel tank fuel sucking pipe 1, on the bottom of main fuel tank oil return pipe 2.
The fuel oil heater for being used for double fuel tanks also includes manual switching valve 6 and coupled main fuel tank is inhaled
Hydraulic fluid port 62, main fuel tank oil return opening 64, auxiliary fuel tank inlet port 61, auxiliary fuel tank oil return opening 63, the manual switching valve 6 respectively with main oil
Case fuel sucking pipe 1, main fuel tank oil return pipe 2 are connected.
The heating water circular tube 3 by magnetic valve 7 respectively with engine cool water out 31, engine cool water inlet
32 are connected, and sensor is integrated with the magnetic valve 7.
Principle of the present utility model is described as follows：
A kind of fuel oil heater for being used for double fuel tanks of the design solves fuel oil solution present in prior art well
Jelly time length, effect are poor, so as to cause the problem of fuel oil defrosting reliability is low.The device screens is mounted in main fuel tank upper surface, when
Manual switching valve handle is in level, that is, shows " pair is opened ", now, auxiliary fuel tank inlet port and main fuel tank inlet port are in valve inner
Connection forms a separate chamber, and auxiliary fuel tank oil return opening connects to form a separate chamber with main fuel tank oil return opening in valve inner；When
Rotation manual switching valve down, that is, shows " master opens " to handle, and now main fuel tank inlet port is directly docked with main fuel tank fuel sucking pipe
Connection.When low temperature environment, start the fuel oil that engine first uses the low grade of auxiliary fuel tank, auxiliary fuel tank inlet port connection main fuel tank is inhaled
Hydraulic fluid port, engine is reached through main fuel tank inlet port, and engine oil return pipe connection main fuel tank oil return opening is returned to through auxiliary fuel tank oil return opening
Auxiliary fuel tank；Meanwhile, open the heating of fuel oil cooling water, heating water circular tube connection engine cool water out, engine cooling water
Import, engine cooling water flows through engine cool water inlet to the bottom of heating water circular tube, and then spiral surrounding, which rises, connects
Sending and receiving motivation coolant outlet, heating water circular tube is immersed in fuel oil, radiates to heat defrosting by the engine coolant of heat
Fuel oil, the water-bath type heating of helix tube type so that fuel oil thawing time is short, effect is good, so as to improve the reliable of fuel oil defrosting
Performance.With the continuous rise of engine water temperature, No. zero diesel oil of main fuel tank gradually thaws, after about running 20 minutes（Now lead
No. zero diesel oil of fuel tank gradually thaws, and can normally use）, flame out and stop, move manual switching valve to main fuel tank, start
Engine, this uses the fuel oil of main fuel tank, and main fuel tank fuel oil flows through main fuel tank through screen pack, through main fuel tank fuel sucking pipe and inhaled
Through chassis to engine after hydraulic fluid port, engine oil return returns to main fuel tank after main fuel tank oil return opening, main fuel tank oil return pipe successively.Its
In, the heat shield that is arranged of bottom of heating water circular tube is in fuel oil initial start stage, well by the fuel oil of heating and unheated
Fuel oil is separated.In addition, the device also includes fuel-quantity transducer pillar and floating drum（The liquid level amount with fuel tank can be shown in）,
, can be with automatic sensing and fuel-quantity transducer interface and water level magnetic valve open interface, are integrated with the magnetic valve of level sensor
Water temperature heats to decide whether to open water, solves the problem of too high closing water of summer oil temperature is heated.Using said structure, by oil
Temperature sensor, heating water circular tube, heating pipe road opening and closing magnetic valve and suction, oil return pipe and manual integration switching valve are integrated
Together, novel in design reliable, the structure suction, function of oil return interface synchronization conversion by integration realization are disposable synchronous
Conversion sucks back hydraulic fluid port, realizes and uses low trade mark fuel oil in Han Qu, simple to operate, facilitates client can also be to user while use
Bring huge economic benefit.
The bottom of the heating water circular tube is arranged with heat shield, heat shield be on the one hand used to separating the fuel oil of heating with not
The fuel oil of heating, on the other hand for integrated main fuel tank fuel sucking pipe, main fuel tank oil return pipe, fuel-quantity transducer, oil mass to be sensed
Device guide rod, heating pipe's difference locator card are located in heat shield, on heat shield to be set on the end face of main fuel tank bottom
Have and be provided with reinforcement between projection, raised and heat shield, raised middle part offers the hole for clamping sucker, the peace of sucker
Fill end to be interference fitted with hole, sucker compresses absorption in tank bottoms to position with the interference of tank bottoms plane.To ensure fuel oil
The fixation of heater assembly is reliable, and tank bottoms positioning sucker disk and tank bottoms are brought into close contact, and pass through main fuel tank upper table
Face bolt positioning, it is ensured that general assembly is reliable, pendulum of not living.
Embodiment 1：
A kind of to be used for the fuel oil heater of double fuel tanks referring to Fig. 1 to Fig. 3, the device card is mounted in the upper surface of main fuel tank,
It is located on the device and the position of main fuel tank bottom is provided with sucker 8, the bottom of the sucker 8 and main fuel tank fits, should
Device includes main fuel tank fuel sucking pipe 1 and main fuel tank oil return pipe 2, and the main fuel tank fuel sucking pipe 1 is arranged at main fuel tank oil return pipe 2
In main fuel tank, the main fuel tank fuel sucking pipe 1, the outside of main fuel tank oil return pipe 2 are wound with heating water circular tube 3, the heating water ring
Around the Single port connection engine cool water out 31 of pipe 3, the another port connection engine cooling water of heating water circular tube 3 enters
Mouth 32, the bottom of the heating water circular tube 3 is arranged with heat shield 5, one end and the phase clamping of heat shield 5, sucker of the sucker 8
8 other end and the bottom of main fuel tank fit.
Embodiment 2：
Substance be the same as Example 1, difference is：
Referring to Fig. 1, the heating water circular tube 3 includes the straight sections 33 being connected and spiral pipe portion 34, the straight sections
33 are connected by band 4 with the top of main fuel tank fuel sucking pipe 1, and the straight sections 33 connect with the top of main fuel tank oil return pipe 2
Touch, the spiral pipe portion 34 is wound on main fuel tank fuel sucking pipe 1, on the bottom of main fuel tank oil return pipe 2.
Embodiment 3：
Substance be the same as Example 1, difference is：
Referring to Fig. 1, the fuel oil heater for being used for double fuel tanks also includes manual switching valve 6 and coupled
Main fuel tank inlet port 62, main fuel tank oil return opening 64, auxiliary fuel tank inlet port 61, auxiliary fuel tank oil return opening 63,6 points of the manual switching valve
It is not connected with main fuel tank fuel sucking pipe 1, main fuel tank oil return pipe 2.
Embodiment 4：
Substance be the same as Example 1, difference is：
Referring to Fig. 1, the heating water circular tube 3 is cold with engine cool water out 31, engine respectively by magnetic valve 7
But water inlet 32 is connected, and sensor is integrated with the magnetic valve 7.
Claims (6)
1. a kind of be used for the fuel oil heater of double fuel tanks, the device card is mounted in the upper surface of main fuel tank, it is characterised in that：It is described
It is located on the fuel oil heater of double fuel tanks and the position of main fuel tank bottom is provided with sucker（8）, the sucker（8）With
The bottom of main fuel tank fits.
2. a kind of fuel oil heater for double fuel tanks according to claim 1, it is characterised in that：It is described to be used for double oil
The fuel oil heater of case includes main fuel tank fuel sucking pipe（1）With main fuel tank oil return pipe（2）, the main fuel tank fuel sucking pipe（1）With master
Tank drainback pipe（2）It is arranged in main fuel tank, the main fuel tank fuel sucking pipe（1）, main fuel tank oil return pipe（2）Outside be wound with plus
Hot water circular tube（3）, the heating water circular tube（3）Single port connection engine cool water out（31）, heating water ring around
Pipe（3）Another port connection engine cool water inlet（32）.
3. a kind of fuel oil heater for double fuel tanks according to claim 2, it is characterised in that：The heating water ring
Around pipe（3）Bottom be arranged with heat shield（5）, the sucker（8）One end and heat shield（5）Phase clamping, sucker（8）It is another
The bottom with main fuel tank is held to fit.
4. a kind of fuel oil heater for double fuel tanks according to Claims 2 or 3, it is characterised in that：The heating
Water circular tube（3）Including the straight sections being connected（33）With spiral pipe portion（34）, the straight sections（33）Pass through band（4）With master
Fuel tank oil suction pipe（1）Top be connected, the straight sections（33）With main fuel tank oil return pipe（2）Top be in contact, the spiral shell
Coil portion（34）It is wound on main fuel tank fuel sucking pipe（1）, main fuel tank oil return pipe（2）Bottom on.
5. a kind of fuel oil heater for double fuel tanks according to Claims 2 or 3, it is characterised in that：It is described to be used for
The fuel oil heater of double fuel tanks also includes manual switching valve（6）And coupled main fuel tank inlet port（62）, main oil
Tank drainback mouthful（64）, auxiliary fuel tank inlet port（61）, auxiliary fuel tank oil return opening（63）, the manual switching valve（6）Respectively with main fuel tank
Fuel sucking pipe（1）, main fuel tank oil return pipe（2）It is connected.
6. a kind of fuel oil heater for double fuel tanks according to Claims 2 or 3, it is characterised in that：The heating
Water circular tube（3）Pass through magnetic valve（7）Respectively with engine cool water out（31）, engine cool water inlet（32）It is connected
Connect, the magnetic valve（7）On be integrated with sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720179471.2U CN206600217U (en) | 2017-02-27 | 2017-02-27 | Fuel oil heating device for double oil tanks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720179471.2U CN206600217U (en) | 2017-02-27 | 2017-02-27 | Fuel oil heating device for double oil tanks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206600217U true CN206600217U (en) | 2017-10-31 |
Family
ID=60147591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720179471.2U Active CN206600217U (en) | 2017-02-27 | 2017-02-27 | Fuel oil heating device for double oil tanks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206600217U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397320A (en) * | 2018-02-28 | 2018-08-14 | 安徽江淮汽车集团股份有限公司 | A kind of double fuel tank oil supply systems |
| CN108468609A (en) * | 2018-02-28 | 2018-08-31 | 安徽江淮汽车集团股份有限公司 | A kind of oil supply system for cold district vehicle motor |
| CN109184974A (en) * | 2018-10-09 | 2019-01-11 | 合肥邦立电子股份有限公司 | It is a kind of equipped with water, the engine fuel system of oil circuit automatic switching function and method |
| CN111963344A (en) * | 2020-09-22 | 2020-11-20 | 许海涛 | Energy-saving heater for oil tank of cold-region heavy truck |
| CN113353272A (en) * | 2021-07-26 | 2021-09-07 | 绵阳小巨人动力设备有限公司 | Unmanned aerial vehicle's folding oil tank |
-
2017
- 2017-02-27 CN CN201720179471.2U patent/CN206600217U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397320A (en) * | 2018-02-28 | 2018-08-14 | 安徽江淮汽车集团股份有限公司 | A kind of double fuel tank oil supply systems |
| CN108468609A (en) * | 2018-02-28 | 2018-08-31 | 安徽江淮汽车集团股份有限公司 | A kind of oil supply system for cold district vehicle motor |
| CN109184974A (en) * | 2018-10-09 | 2019-01-11 | 合肥邦立电子股份有限公司 | It is a kind of equipped with water, the engine fuel system of oil circuit automatic switching function and method |
| CN109184974B (en) * | 2018-10-09 | 2023-09-22 | 合肥邦立电子股份有限公司 | Engine oil supply system and method with automatic water and oil way switching function |
| CN111963344A (en) * | 2020-09-22 | 2020-11-20 | 许海涛 | Energy-saving heater for oil tank of cold-region heavy truck |
| CN113353272A (en) * | 2021-07-26 | 2021-09-07 | 绵阳小巨人动力设备有限公司 | Unmanned aerial vehicle's folding oil tank |
| CN113353272B (en) * | 2021-07-26 | 2022-10-25 | 绵阳小巨人动力设备有限公司 | Unmanned aerial vehicle's folding oil tank |
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