CN207830017U - Methanol tolerant oil pump and oil supply system - Google Patents
Methanol tolerant oil pump and oil supply system Download PDFInfo
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- CN207830017U CN207830017U CN201721749698.2U CN201721749698U CN207830017U CN 207830017 U CN207830017 U CN 207830017U CN 201721749698 U CN201721749698 U CN 201721749698U CN 207830017 U CN207830017 U CN 207830017U
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- pump
- methanol tolerant
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Abstract
The methanol tolerant oil pump of the utility model includes fuel pump and anodic protection module, and anodic protection module is set to outside the shell of fuel pump so that anode current is generated outside the shell of fuel pump, and the shell of anodic protection module and fuel pump insulate.Methanol tolerant oil supply system includes fuel level sensor and methanol tolerant oil pump；Methanol tolerant oil supply system further includes sensor protection module, and sensor protection module is electrically connected with fuel level sensor, and sensor protection module is voltage amplification module.When being powered anodic oxidation reactions occur for the anodic protection module of methanol tolerant oil pump, to generate superfluous electronics, the anodic oxidation of inhibition/reduction fuel pump near the shell and electrode of fuel pump.Methanol tolerant oil supply system protects fuel level sensor by adding sensor protection module; to reduce the anodic oxidation of fuel level sensor; so that the fuel pump and fuel level sensor of methanol tolerant fuel system all have preferable electrochemical corrosion resistant, the service life is longer for whole system.
Description
Technical field
The utility model is related to oil-servicing facilities fields, in particular to methanol tolerant oil pump and oil supply system.
Background technology
Methanol pump is to realize the non contact transmission of torque using the magnetic drives of permanent magnet using modern magnetomechanics principle
A kind of new pump, that is, when motor drive outer rotor (i.e. outer steel) assembly rotation, passed through by the effect magnetic line of force in magnetic field
Separation sleeve drives internal rotor (magnet steel in i.e.) assembly and impeller synchronous rotary, flow passage components all to be manufactured using fluoroplastics, can be defeated
Send the Korrosionsmediums such as acid, alkali, the oxidant of arbitrary dense (strong) degree.
Methanol has very strong corrosivity, electric conductivity, permeability.Methanol is electrolysed very capable, spy in the case of energization
It is not stronger to the capacity of decomposition of carbon brush, commutator, destructive bigger.Even if the breakage of carbon brush a little, entire fuel pump
It will scrap completely, cause the prodigious wasting of resources.Methanol pump work for a period of time after, wiring point occur anodic oxidation, methanol
Pump work is unstable.
Utility model content
In view of this, the purpose of this utility model is to overcome deficiency in the prior art, a kind of resistance to electrochemistry is provided
Corrosion, the methanol tolerant oil pump and oil supply system that the service life is longer.
The purpose of this utility model is realized by following technical scheme：
Methanol tolerant oil pump, including fuel pump and anodic protection module, the anodic protection module are set to the fuel pump
Housing adjacent so that the anode of the fuel pump nearby generates electronics, and the anodic protection module and the fuel pump
Shell insulate.
In the exemplary embodiment, the anodic protection module is amplifying circuit, the output end anode of the amplifying circuit
Set on the housing adjacent of the fuel pump.By the housing adjacent that the anode of the amplifying circuit of peripheral hardware is placed in fuel pump so that
The electrode of fuel pump nearby generates a large amount of electronics, so that fuel pump anodic solution is suppressed, corrosion rate reduces, and makes
Fuel pump is protected, it is suppressed that the electrochemical corrosion of fuel oil pump electrode contact point.
In the exemplary embodiment, the input terminal of the anodic protection module electrically connects with the positive and negative anodes of the fuel pump
It connects.Directly anodic protection module is connected with the power supply of fuel pump, without separately connecing power supply so that the structure of methanol tolerant oil pump is more
It is compact.
In the exemplary embodiment, the output end is fixed on by connector on the shell of the fuel pump, described defeated
Insulating layer is equipped between outlet and the shell of the fuel pump, the connector is insulating part.Adding insulating layer prevents output end
Directly the shell of fuel pump is electrolysed, the shell of fuel pump is protected.
In the exemplary embodiment, the connector is nylon cable tie.Nylon cable tie is a kind of standard component, is had good
Insulating properties and have firm and convenient connection effect.
In the exemplary embodiment, the positive and negative anodes junction of the input terminal and the fuel pump has been respectively coated by pyrocondensation
Pipe.Junction is closed by heat-shrink tube, avoids tie point that with alcohol-based fuel Long Term Contact, chemical attack directly occurs.
As the further extension to above-mentioned technical proposal：The utility model also provides methanol tolerant oil supply system, including oil
The fixed carbon resister of level sensor and above-mentioned methanol tolerant oil pump, the fuel level sensor is encapsulation fixed carbon resister.
In the exemplary embodiment, packaging plastic is coated on the fixed carbon resister, with the fixed carbon resister sliding contact
Packaging plastic is coated on pad.The solder joint of fixed carbon resister on fuel level sensor is coated into packaging plastic, completely cuts off solder joint and alcohol radical
Contact, prevent fixed carbon resister solder joint occur chemical attack so that fuel level sensor accurately works, extend fuel level sensor
Service life.
In the exemplary embodiment, the methanol tolerant oil supply system further includes sensor protection module, and the sensor is protected
It protects module to be electrically connected with the fuel level sensor, the sensor protection module is high current conversion module.Sensor protection
Unit is exactly an amplifying circuit, 12 volts of voltage amplifications to 26 volts, increases voltage , Minus low currents, to be further reduced
The electrochemical corrosion of the solder joint of fuel level sensor.
In the exemplary embodiment, the methanol tolerant oil supply system further includes oil level gauge, the oil level gauge and the oil level
Sensor is electrically connected with the sensor protection module respectively.The anode of sensor protection module is connect with oil level gauge, cathode
It is connect with fuel level sensor, to constitute concatenated closed loop, while fuel level sensor and oil level gauge is carried out preventing chemistry
The protection of corrosion.
The utility model compared with prior art, has the following advantages that：
The methanol tolerant oil pump and oil supply system of the utility model, add anodic protection module, anodic protection on fuel pump
When being powered anodic oxidation reactions occur for module, to generate superfluous electronics, suppression near the shell and electrode of fuel pump
The anodic oxidation of system/reduction fuel pump, to form certain protection to the power anode metal connection point of fuel pump so that combustion
The plant-grid connection of oil pump is more stablized.Methanol tolerant oil supply system includes methanol tolerant oil pump, fuel level sensor and sensor protection
Module protects fuel level sensor by adding sensor protection module, and sensor protection module is passed by increasing oil level
The voltage of sensor reduces the electric current of fuel level sensor, to reduce the anodic oxidation of fuel level sensor, is formed to fuel level sensor
Protection, so that the fuel pump and fuel level sensor of methanol tolerant fuel system all have preferable electrochemical corrosion resistant, it is whole
The service life is longer for a system.
For enable the above objects, features, and advantages of the utility model become apparent from understandable, preferred embodiment cited below particularly,
And coordinate appended attached drawing, it is described below in detail.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 shows the structural schematic diagram for the methanol tolerant oil pump that the utility model embodiment 1 provides；
Fig. 2 shows the circuit diagrams of the anodic protection module of the methanol tolerant oil pump of the offer of the utility model embodiment 1；
Fig. 3 shows the structural schematic diagram for the methanol tolerant oil supply system that the utility model embodiment 2 provides.
Icon：1- methanol tolerant oil supply systems；10- methanol tolerant oil pumps；101- fuel pumps；102- anodic protection modules；1021-
Second plate；103- heat-shrink tubes；104- connectors；105- insulating layers；20- fuel level sensors；30- oil level gauges；40- sensors are protected
Protect module.
Specific implementation mode
Hereinafter, the various embodiments of the utility model will be described more fully in conjunction with attached drawing.The utility model can have
There are various embodiments, and can adjust and change wherein.Therefore, specific embodiment reference being shown in the accompanying drawings is more
Describe the utility model in detail.It should be understood, however, that：It is practical new herein there is no the various embodiments of the utility model are limited to
The intention of the specific embodiment of type, but the utility model should be interpreted as covering the various embodiments for falling into the utility model
All adjustment, equivalent and/or alternative in spirit and scope.Description taken together with the accompanying drawings, same reference numerals
Same element.
Hereinafter, the term " comprising " that can be used in the various embodiments of the utility model or " may include " indicate institute
Function, operation or the presence of element of utility model, and the increase of one or more functions, operation or element is not limited.
In addition, as used in the various embodiments of the utility model, term " comprising ", " having " and its cognate are meant only to indicate
Special characteristic, number, step, operation, the combination of element, component or aforementioned item, and be understood not to exclude one first
Or more other feature, number, step, operation, the combination of element, component or aforementioned item presence or increase it is one or more
A feature, number, step, the possibility of operation, the combination of element, component or aforementioned item.
In the various embodiments of the utility model, states "or" or " at least one of A or/and B " includes while arranging
Any combinations of the word gone out or all combinations.For example, statement " A or B " or " at least one of A or/and B " may include A, can
Including B or it may include A and B both.
The statement (" first ", " second " etc.) used in the various embodiments of the utility model can be modified each
Various constituent element in kind embodiment, but respective sets can not be limited into element.For example, presented above be not intended to limit the member
The sequence and/or importance of part.The purpose presented above for being only used for differentiating an element and other elements.For example, first
User apparatus and second user device indicate different user device, although the two is all user apparatus.For example, not departing from this reality
In the case of range with novel various embodiments, first element is referred to alternatively as second element, and similarly, second element also may be used
It is referred to as first element.
It should be noted that：It, can be by the first composition member if a constituent element ' attach ' to another constituent element by description
Part is directly connected to the second constituent element, and " connection " third can be formed between the first constituent element and the second constituent element
Element.On the contrary, when a constituent element " being directly connected to " is arrived another constituent element, it will be appreciated that in the first constituent element
And second third constituent element is not present between constituent element.
The term used in the various embodiments of the utility model is used only for the purpose of describing specific embodiments and simultaneously
It is not intended to the various embodiments of limitation the utility model.As used herein, singulative is intended to also include plural form, unless
Context is expressly otherwise indicated.Unless otherwise defined, otherwise all terms used herein (including technical term and science
Term) there is contain identical with the various normally understood meanings of embodiment one skilled in the art of the utility model
Justice.The term (term such as limited in the dictionary generally used) be to be interpreted as have in the related technical field
The identical meaning of situational meaning and the meaning of Utopian meaning or too formal will be interpreted as having, unless at this
It is clearly defined in the various embodiments of utility model.
Embodiment 1
Fig. 1 shows the structural schematic diagram of methanol tolerant oil pump 10.
Methanol tolerant oil pump 10 is suitable for the pump oil work of the alcohol-based fuels such as methanol, it includes fuel pump 101 and anode
Protection module 102.Fuel pump 101 is a kind of electrically driven (operated) oil pump, and needing to access extraneous power supply could work.Fuel pump 101
Fuel is the alcohol-based fuels such as methanol, and the electrode of fuel pump 101 and the tie point of external world's power supply are metal connection point, fuel pump 101
When surrounding is powered again there are a large amount of methanol, methanol and metal connection point, galvanic interaction, the connection of more active metal occurs
Point loses electronics and is aoxidized, and electrochemical corrosion occurs so that the wiring point poor contact of fuel oil even disconnects, fuel pump 101
It can not work normally
Since metal connection point is that oxidation reaction occurs for anode electrochemical corrosion occurs, it is for anode metal tie point
A kind of consumption so that anode metal tie point dissolves, and reduction reaction occurs for cathode, generally only serves the effect for transmitting electronics.
By adding anodic protection module 102 so that the electronics that the anode metal connection of fuel pump 101 is pointed out is in surplus
State, effectively inhibit the activity of anode metal tie point, it is therefore prevented that the electrochemical corrosion of metal connection point so that combustion
The metal connection point of oil pump 101 has anti-oxidant, corrosion resistant characteristic so that carries the fuel pump 101 of anodic protection module 102
As methanol tolerant oil pump 10.
Anodic protection module 102 is DC power supply, using the output end of DC power supply as second plate 1021, is set to combustion
The housing adjacent of oil pump 101 so that the electrode of fuel pump 101 nearby generates a large amount of electronics, so that 101 anode of fuel pump
The dissolving of metal connection point is suppressed, and corrosion rate reduces, and the tie point of fuel pump 101 is made to be protected, and fuel pump 101 has
There are double anode, the speed of the electrochemical corrosion of 101 anode metal tie point of fuel pump to greatly reduce.
Anodic protection is that protected anode metal tie point is connected with the anode of external dc power supply, in alcohol-based fuel
In, anodic oxidation occurs for second plate 1021, so that being flooded with surplus around the anode metal tie point of fuel pump 101
Electronics so that the dissolving of the anode metal tie point of fuel pump 101 is suppressed, and corrosion rate reduces, so that anode is golden
Belong to tie point to be protected.Anodic protection is used to anode metal tie point, can not only control the general corrosion of these metals,
And the local corrosions such as spot corrosion, stress-corrosion cracking, intercrystalline corrosion can be prevented.
Simultaneously can coat packaging plastic at the anode metal tie point of fuel pump 101 so that anode metal tie point and
Air insulated reduces the activity of anode metal tie point.In such a way that anodic protection and coating protection are used in combination, only need
It is passivated and covers not tight place, critical passivation current greatly reduces, and investment cost greatly reduces, and coats the anode gold of packaging plastic
The area for belonging to tie point greatly reduces, and is passivated after activation and is also easy again.
In the present embodiment, the input terminal of anodic protection module 102 is electrically connected with the positive and negative anodes of fuel pump 101.Anode is protected
Shield module 102 is connected on the positive and negative anodes of fuel pump 101 so that shares a power supply, the i.e. power supply of automobile with fuel pump 101.
As shown in Fig. 2, anodic protection module 102 is actually an amplifying circuit, the power supply of amplifying circuit is the 12V power supplys of automobile,
Into the effect for crossing amplifying circuit, the voltage of output end is 26V, increases voltage, reduces electric current.While electric current reduces,
The electrochemical corrosion of anode metal tie point and the output end of anodic protection module 102 also reduces.Directly anode is protected
Shield module 102 connect with the power supply of fuel pump 101, without separately connecing power supply so that the structure of methanol tolerant oil pump 10 more simplify and
It is compact.
The positive and negative anodes junction of input terminal and fuel pump 101 has been respectively coated by heat-shrink tube 103.Heat-shrink tube 103 is a kind of spy
The polyolefin material heat-shrinkable tube of system, or EVA foam materials.Outer layer uses the crosslinked polyolefin materials of high-quality softness
And made of internal layer hot melt adhesive Compound Machining, cladding material has the features such as insulation corrosion protection, wear-resisting, internal layer to have low melting point, anti-watertight
The advantages that envelope and high adhesiveness.By heat-shrink tube 103 by the positive and negative anodes of the input terminal of anodic protection module 102 and fuel pump 101
Connection exposed section closing, avoid the exposed generation chemical attack of tie point so that the sun of second plate 1021 and fuel pump 101
The electric connection of pole metal connection point is more stablized.Simultaneously heat-shrink tube 103 but also fuel pump 101 positive and negative anodes and anodic protection
The connection of the positive and negative anodes of module 102 is more firm, prevents from mutually loosening therebetween.
Second plate 1021 is fixed on by connector 104 on the shell of fuel pump 101, second plate 1021 and fuel oil
Insulating layer 105 is equipped between the shell of pump 101, connector 104 is insulating part.By connector 104 by position free second
Anode 1021 is fixed on the shell of fuel pump 101, so that the position of second plate 1021 is fixed, to prevent second plate
1021 generate electric connection with the shell of fuel pump 101, make the shell of fuel pump 101 that electrochemical corrosion occur when being powered,
Insulating layer 105 is thus added between the shell and second plate 1021 of fuel pump 101 so that mutually isolated therebetween.
Connector 104 is nylon cable tie.Nylon cable tie is a kind of standard component, with good insulating properties and with firm
And convenient connection effect.By the way that nylon cable tie is consolidated around the periphery of the shell of fuel pump 101, and by second plate 1021
It is scheduled between nylon cable tie and the shell of fuel pump 101.
Embodiment 2
Fig. 2 shows the structural schematic diagrams of methanol tolerant oil supply system 1.
The present embodiment provides methanol tolerant oil supply systems 1, including fuel level sensor 20, oil level gauge 30, sensor protection module
40 and embodiment 1 in methanol tolerant oil pump 10.Fuel level sensor 20 is used to sense the oil level in fuel tank, and passes through oil level gauge 30
It shows, to carry out the prompt of oil level to user, when oil level is relatively low in fuel tank, refuels in time, methanol tolerant oil pump 10 will
The alcohol-based fuels such as the methanol in fuel tank pump out and are transmitted to engine, and fuel feed is provided for engine.
In the present embodiment, methanol tolerant oil pump 10 and fuel level sensor 20 work independently.In another embodiment, methanol tolerant oil
Pump 10 and fuel level sensor 20 are electrically connected, when the oil level that fuel level sensor 20 senses is less than preset value, methanol tolerant
Oil pump 10 is stopped, and when preventing the fuel shortage in fuel tank, because of idle running larger abrasion or high temperature occur for methanol tolerant oil pump 10
It burns.
Fuel level sensor 20 is to enter after container the change for causing capacitance between sensor housing and induction electrode using oil
Change, and be curent change by this change transitions, by the electric connection of fuel level sensor 20 and oil level gauge 30, thus will be because of oil
The variation of electric current, feeds back to oil level gauge 30 caused by the variation of position.Oil level change is a kind of display equipment, by fuel level sensor 20
Electric current is converted into oil mass/oil level and shows, oil level gauge 30 can be set near fuel tank, can also be set in driver's cabin, if
Car owner does not refuel in time, once fuel oil low memory, in a certain value, automobile oil level table 30 will appear oil quantity alarming, prompts car owner
It refuels in time.
Fuel level sensor 20 and oil level gauge 30 are protected by sensor protection module 40, prevent fuel level sensor 20
The solder joint of circuit electrochemical corrosion occurs, the oil level that fuel level sensor 20 senses is inaccurate, or even is damaged, and cannot continue
Work.
Sensor protection module 40 is voltage amplification module, and fuel level sensor 20 and oil level gauge 30 pass through sensor protection mould
Block 40 is connect with extraneous power supply (automobile power source), to increase the voltage of access power supply, reduces electric current.After electric current reduces, oil
The electrochemical corrosion of the solder joint of electrical equipment on level sensor 20 effectively weakens, and reduces the electrical member on fuel level sensor 20
The electrochemical corrosion of part extends the service life of fuel level sensor 20.
The input terminal of sensor protection module 40 is electrically connected with automobile power source, and sensor protection module 40 is passed with oil level
Sensor 20 and oil level gauge 30 are connected in series with, and to constitute closed loop, sensor protection module 40 is simultaneously to fuel level sensor 20
With oil level gauge 30 prevent the protection of chemical attack.
The voltage amplifier circuit of sensor protection module 40 can be with the voltage amplifier circuit phase of anodic protection module 102
Together, it can not also be gone to live in the household of one's in-laws on getting married herein using other existing voltage amplifier circuits since voltage amplifier circuit is a kind of existing circuit
It states.
In the present embodiment, the fuel level sensor 20 is encapsulated using packaging plastic.Specifically, fuel level sensor 20 includes difference
Variable resistive film coated with packaging plastic and connecting terminal, variable resistive film are slidably contacted with connecting terminal.Due to can power transformation
It hinders between piece and connecting terminal through sliding contact to change point, so that fuel level sensor 20 has different electric currents.
Variable resistive film has electric current to pass through with connecting terminal, and packaging plastic is respectively coated on variable resistive film and connecting terminal so that
The variable resistive film area exposed with connecting terminal is small as far as possible, can realize the electric connection of the two, the envelope of coating
Glue is filled by the partial encapsulation between variable resistive film and connecting terminal other than electric connection point, maximized reduce can power transformation
Hinder the anodic oxidation of piece.
Packaging plastic can be AB glue, and AB glue is the nickname of two liquid mixed hardening glue, and a liquid is this glue, and a liquid is curing agent,
Two liquid phases are mixed to harden, and be not necessary to answer maturation firmly by temperature.Component A is acrylated epoxy or epoxy resin, or
Containing catalyst and other auxiliary agents, B components are modified amine or other curing agents, or contain catalyst and other auxiliary agents.By certain
Ratio mixes.Catalyst can be with control solidification time, other auxiliary agents can be with control performance (such as viscosity, rigidity, flexibility, adhesiveness
Etc.).
The methanol tolerant oil pump 10 and oil supply system of the utility model have the advantages that：
1. adding anodic protection module 102 on fuel pump 101, when being powered anodic oxygen occurs for anodic protection module 102
Change reaction, to generate superfluous electronics, the sun of inhibition/reduction fuel pump 101 near the shell and electrode of fuel pump 101
Pole aoxidizes, to form certain protection to the power anode metal connection point of fuel pump 101 so that the power supply of fuel pump 101
Access is more stablized.
2. anodic protection module 102 is directly connected on the positive and negative anodes of fuel pump 101, an electricity is shared with fuel pump 101
Source passes through setting for the second plate 1021 in anodic protection module 102 equivalent to increase the anode quantity of fuel pump 101
It sets, reduces the oxidation rate of the anode of fuel pump 101, protection is formed to the anode of fuel pump 101.
3. using heat-shrink tube 103 that the electrode of fuel pump 101 and the tie point of the input terminal of anodic protection module 102 is close
Envelope, avoids tie point from being contacted with air, to inhibit the electrochemical corrosion of tie point.
4. methanol tolerant oil supply system 1 includes methanol tolerant oil pump 10, fuel level sensor 20 and sensor protection module 40, lead to
It crosses and adds sensor protection module 40 fuel level sensor 20 is protected, sensor protection module 40, which passes through, increases oil level sensing
The voltage of device 20 reduces the electric current of fuel level sensor 20, to reduce the anodic oxidation of fuel level sensor 20, to fuel level sensor
20 form protection, so that the fuel pump 101 and fuel level sensor 20 of methanol tolerant fuel system all have preferable resistance to electrification
Corrosivity is learned, the service life is longer for whole system.
In all examples being illustrated and described herein, any occurrence should be construed as merely illustrative, without
It is as limitation, therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But therefore it can not be interpreted as the limitation to the scope of the utility model.It should be pointed out that for the ordinary skill of this field
For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this
The protection domain of utility model.
Claims (10)
1. methanol tolerant oil pump, which is characterized in that including fuel pump and anodic protection module, the anodic protection module is set to institute
State outside the shell of fuel pump so that generate anode current outside the shell of the fuel pump, and the anodic protection module with it is described
The shell of fuel pump insulate.
2. methanol tolerant oil pump according to claim 1, which is characterized in that the anodic protection module is voltage amplification electricity
Road, the output end of the voltage amplifier circuit are set to the housing adjacent of the fuel pump.
3. methanol tolerant oil pump according to claim 2, which is characterized in that the input terminal of the anodic protection module with it is described
The positive and negative anodes of fuel pump are electrically connected.
4. methanol tolerant oil pump according to claim 3, which is characterized in that the output end is fixed on described by connector
On the shell of fuel pump, insulating layer is equipped between the output end and the shell of the fuel pump, the connector is insulating part.
5. methanol tolerant oil pump according to claim 4, which is characterized in that the connector is nylon cable tie.
6. methanol tolerant oil pump according to claim 3, which is characterized in that the positive and negative anodes of the input terminal and the fuel pump
Junction has been respectively coated by heat-shrink tube.
7. methanol tolerant oil supply system, which is characterized in that require the resistance to first described in any one of 1-6 including fuel level sensor and power
Alcohol oil pump；
The methanol tolerant oil supply system further includes sensor protection module, the sensor protection module and the fuel level sensor
It is electrically connected, the sensor protection module is voltage amplification module.
8. methanol tolerant oil supply system according to claim 7, which is characterized in that the fuel level sensor is sealed using packaging plastic
Dress.
9. methanol tolerant oil supply system according to claim 8, which is characterized in that the fuel level sensor includes being respectively coated
There are the variable resistive film and connecting terminal of packaging plastic, the variable resistive film slidably to be contacted with the connecting terminal.
10. methanol tolerant oil supply system according to claim 7, which is characterized in that the methanol tolerant oil supply system further includes
Oil level gauge, the oil level gauge are electrically connected with the sensor protection module respectively with the fuel level sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721749698.2U CN207830017U (en) | 2017-12-14 | 2017-12-14 | Methanol tolerant oil pump and oil supply system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721749698.2U CN207830017U (en) | 2017-12-14 | 2017-12-14 | Methanol tolerant oil pump and oil supply system |
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| Publication Number | Publication Date |
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| CN207830017U true CN207830017U (en) | 2018-09-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105004A (en) * | 2017-12-14 | 2018-06-01 | 重庆市大为能源有限公司 | Methanol tolerant oil pump and oil supply system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105004A (en) * | 2017-12-14 | 2018-06-01 | 重庆市大为能源有限公司 | Methanol tolerant oil pump and oil supply system |
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