CN102425514A - Combined type fuel oil box for automobile and mixed-type step-by-step oil supply method of combined type fuel oil box - Google Patents
Combined type fuel oil box for automobile and mixed-type step-by-step oil supply method of combined type fuel oil box Download PDFInfo
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- CN102425514A CN102425514A CN2011102851620A CN201110285162A CN102425514A CN 102425514 A CN102425514 A CN 102425514A CN 2011102851620 A CN2011102851620 A CN 2011102851620A CN 201110285162 A CN201110285162 A CN 201110285162A CN 102425514 A CN102425514 A CN 102425514A
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Abstract
The invention discloses a combined type fuel oil box for an automobile and a mixed-type step-by-step oil supply method of the combined type fuel oil box. The combined type fuel oil box consists of a big oil box and a small oil box, wherein fuel oil with high set point is stored in the big oil tank, fuel oil with low set point is stored in the small oil box, the big oil box is connected with a first oil path circulating device, the small oil box is connected with a second oil path circulating device, two oil paths are switched through a control system and are used for respectively carrying out cyclic oil supply operation, the big oil box is also provided with a heat current exchange device, and the heat current exchange device is used for conveying heat from exterior of the big oil box to the big oil box to heat the fuel oil in the big oil box. The mixed-type step-by-step oil supply method comprises the following sequential steps of: low-temperature start of the engine, heating of the big oil box after start of the engine and switching to the big oil box for oil supply, and therefore final normal operation requirement of the automobile engine is realized. The combined type fuel oil box for the automobile and the mixed-type step-by-step oil supply method of the combined type fuel oil box, disclosed by the invention, can solve the problems of difficulty in start of the automobile engine, serious fuel oil loss, environment pollution and the like under the low temperature conditions in winter and have the advantages of energy saving, low consumption, safety and reliability.
Description
Technical field
The present invention relates to a kind of automotive oil tank and fuel supply method thereof, particularly relate to a kind of energy-saving and environmental protection type vehicle fuel fuel tank and fuel supply method thereof, can be used for adopting the fuel tank of internal combustion engine driven vehicles.
Background technique
At present, heavy-duty car uses DENG more, and diesel oil tank adopts single housing structure usually.Single casing makes its method to the motor car engine fuel feeding also more single because structure is single, has the problem of plurality of applications aspect.Except filter screen is arranged, but do not have other device that improves the diesel oil utilization ratio such as the inside of single housing structure, adopt the fuel tank fuel feeding of this structure, can cause engine fuel consumption big, waste energy, also produce large quantity of exhaust gas simultaneously, thus befouling environment.Again because of the diesel oil stickiness than higher, so more serious to oil pump and oil nozzle loss ratio, thereby possibly cause shortening working life of motor, and the working stability of motor is brought adverse influence.Its stickiness increases diesel oil gradually along with the temperature reduction; Because low number diesel oil solidifying point is higher; Winter temperature in cold comes temporarily, and the stickiness of low number diesel oil significantly improves, mobile obviously variation; Can't normally start motor car engine, make the automobile of using low number diesel oil can not normally start, go and operation.Height diesel oil is because solidifying point is lower, and cold winter low temperature is not too obvious to its flowability affects, and the DENG of automobile can adopt height diesel oil to replace low number diesel oil, but height diesel oil cost is higher, the expense of going of the automobile of increase.In the winter of cold, for keeping the DENG proper functioning of automobile, prevent the engine start difficulty, people find out a lot of ways: as, make the tail gas that has heat of exhaust blow to fuel tank, fuel tank is heated; On the oil circuit of automobile and fuel tank standpipe, install resistive heater additional, the fuel oil in the fuel tank is carried out local heating.More than all there is potential risk in these to the fuel Heating mode in the fuel tank, cause temperature control easily, thereby cause fire and accident.These above simultaneously methods all are that fuel oil is carried out contactless heating; Fuel oil integral body is heated evenly, also not ideal enough to the effect of fuel tank intermediate fuel oil heating, and make the local cold and hot expansion of fuel tank for a long time alternately; Can shorten the working life of fuel tank, cause potential vehicle driving risk.
Summary of the invention
The objective of the invention is to the deficiency to existing technology, a kind of method of combined type fuel oil fuel tank and hybrid substep fuel feeding thereof of automobile is provided, can solve engine start difficulty under the winter low temperature condition, the fuel oil loss is serious, problems such as befouling environment.
For reaching the foregoing invention purpose, the present invention adopts following technical proposals:
A kind of combined type fuel oil fuel tank of automobile comprises fuel oil fuel tank and fuel tank fixing frame, and fuel tank is combined by a large tank and the little fuel tank of another one; Store high condensation point fuel oil in the large tank; Large tank is provided with bottom oil drain out and oil meter, stores low coagulation point fuel oil in the little fuel tank, and little fuel tank also is provided with the bottom oil drain out; Large tank connects the first oil circulation device; Little fuel tank connects the second oil circulation device, and the first oil circulation device and the second oil circulation device switch and the fuel feeding operation that circulates respectively through control system, and large tank also is provided with the hot-fluid switch; The hot-fluid switch will be input in the large tank from the outside heat of large tank, and the fuel oil in the large tank is heated.
Above-mentioned hot-fluid switch comprises motor car engine cooling water tank and the circulating water radiator that is arranged near the large tank bottom; The circulating water radiator is fixedly connected with the inwall of large tank through supporting frame; The circulating water radiator is provided with intake pipe and outlet pipe; Intake pipe is connected with the warm wind water pipe of motor car engine; Outlet pipe is connected with the sewer of radiator of car engine, and the heat that produces when through the water cycle in the hot-fluid switch motor car engine being worked takes in the large tank and distributes, and the fuel oil temperature that stores in the large tank is raise.
The above-mentioned first oil circulation device comprises the first fuel feeding arm and first oil returning branch pipe that is communicated with respectively with large tank; The oil pipe end of the first fuel feeding arm stretches into the bottom of large tank; The mouth of pipe of the oil pipe end of the first fuel feeding arm is communicated with large tank through first filtrating equipment; The first fuel feeding arm has first delivery valve; First oil returning branch pipe has first scavenger valve, makes first delivery valve and the first scavenger valve opening and closing through control system, forms the oil circuit switching system of the first oil circulation device; The second oil circulation device comprises the second fuel feeding arm and second oil returning branch pipe that is communicated with respectively with little fuel tank; The oil pipe end of the second fuel feeding arm stretches into the bottom of little fuel tank; The mouth of pipe of the oil pipe end of the second fuel feeding arm is communicated with little fuel tank through second filtrating equipment, and the second fuel feeding arm has second delivery valve, and second oil returning branch pipe has second scavenger valve; Make second delivery valve and the second scavenger valve opening and closing through control system, form the oil circuit switching system of the second oil circulation device.
The above-mentioned first fuel feeding arm and the second fuel feeding arm compile formation fuel feeding house steward in the fuel tank outside, first oil returning branch pipe and second oil returning branch pipe compile formation oil return house steward in the fuel tank outside, and fuel feeding house steward and oil return house steward are directly to motor car engine circulation fuel feeding.
Be provided with thermal-protective coating between above-mentioned large tank and the little fuel tank.
The shell of above-mentioned large tank has thermal insulation structure.
Above-mentioned first delivery valve, first scavenger valve, second delivery valve and second scavenger valve adopt solenoid valve.
The material of the radiating fin of above-mentioned circulating water radiator is copper or aluminium matter Heat Conduction Material.
Utilize the combined type fuel oil fuel tank of automobile of the present invention to carry out the method for hybrid substep fuel feeding, comprise the steps:
A. the vehicle fuel fuel tank comprises that a large tank that stores high condensation point fuel oil stores the little fuel tank of low coagulation point fuel oil with another; Under low temperature environment; Make large tank and motor supply the oil circuit between the fuel pipe to close; And make little fuel tank and motor supply the oil circuit between the fuel pipe open-minded, at first use low coagulation point fuel oil to start motor car engine;
B. with transmitting in the high condensation point fuel oil of the heat that produces behind the automobile engine starting in large tank, high condensation point fuel oil is heated, the temperature of the high condensation point fuel oil in the large tank is raise;
C. when the inside temperature of the high condensation point fuel oil in the large tank is higher than the minimum fuel oil temperature that makes the motor car engine proper functioning; Make little fuel tank and motor car engine supply the oil circuit between the fuel pipe to close; And make large tank and motor supply the oil circuit between the fuel pipe open-minded; Through switching supply reservoir, supply high condensation point fuel oil through fuel pipe to motor car engine by large tank, make the motor continuous running.
When carrying out hybrid substep fuel feeding, preferably adopt adiabatic measure between above-mentioned large tank and the little fuel tank, block the heat transfer between the two.
When carrying out hybrid substep fuel feeding, recoverable automobile waste pipe discharge tail gas heat energy carries out assistant heating to the high condensation point fuel oil in the large tank.
For DENG, adopt the method for hybrid substep fuel feeding of the present invention, its technological scheme has more practicability.
The present invention has following conspicuous outstanding substantive distinguishing features and remarkable advantage compared with prior art:
1. the present invention is provided with the circulation waterway system at the fuel tank inner bottom part fuel oil in the fuel tank is heated, and the intake pipe of the radiator of circulation waterway system is connected with the warm wind water pipe of motor car engine, and return pipe is connected with the water pipe of water tank; Utilize the hydraulic pressure of motor to circulate; Waste pipe also plays the assistant heating effect, and circulating water returns water tank after the heat of motor is distributed in fuel tank, makes the heat of motor obtain reclaiming, utilizing; The whole heating of fuel oil in the radiator oil dropping apparatus; Even at psychro-environment, the low number fuel oil in the case can not condense yet, and has guaranteed the motor proper functioning.This has also satisfied in the reality under the winter low temperature environment, and fuel engine adopts low-grade oil to start the problem of difficulty.
2. the present invention just has the fuel oil in pair fuel tank to carry out the contact-type heat transfer, has improved the efficient of heating greatly, and fuel oil integral body is heated evenly; Raising is to the effect of fuel tank intermediate fuel oil heating; Prevent the local cold and hot expansion of fuel tank alternately, the minimizing thermal stress is to the adverse effect in the working life of case, and the circulating water radiator is arranged in the large tank; Can under the situation of engine operation, continue heat supply, and heat-supplying mode is as safe as a house to large tank.
3. because the viscosity reduction through heating after of low number fuel oil, its filtering effect improves, and such fuel oil is little to the loss of the oil nozzle of motor and oil pump, can prolong the working life of motor.
4. through heating, reduced energy consumption significantly to low number fuel oil.Under other conditionally complete same case, adopt combined type fuel oil fuel tank of the present invention can save 1～5 liter of diesel oil for per 100 kilometers, reduced exhaust emissions, help environmental protection, have good social benefit.
5. adopting combined type fuel oil fuel tank of the present invention is engine oil, can both use low-grade oil throughout the year, has reduced cost, can save 10～20 yuans for per 100 kilometers, economical and practical.
6. adopting combined type fuel oil fuel tank of the present invention is engine oil, can effectively avoid the trouble of in vehicle traveling process, casting anchor, and makes driver's long-distance transport work become smooth and happy.
Description of drawings
Fig. 1 is the structural representation of combined type fuel oil fuel tank of the present invention.
Fig. 2 is a circulating water radiator system sketch of the present invention.
Embodiment
In conjunction with accompanying drawing, details are as follows to the preferred embodiments of the present invention:
Embodiment one:
Referring to Fig. 1 and Fig. 2, a kind of combined type fuel oil fuel tank of automobile comprises fuel oil fuel tank and fuel tank fixing frame; It is characterized in that: fuel tank is combined by a large tank 1 and the little fuel tank 14 of another one, stores high condensation point fuel oil in the large tank 1, and large tank 1 is provided with bottom oil drain out 19 and oil meter 3; Store low coagulation point fuel oil in the little fuel tank 14; Little fuel tank 14 also is provided with bottom oil drain out 17, and large tank 1 connects the first oil circulation device, and little fuel tank 14 connects the second oil circulation device; The first oil circulation device and the second oil circulation device switch and the fuel feeding operation that circulates respectively through control system; Large tank 1 also is provided with the hot-fluid switch, and the hot-fluid switch will be input in the large tank 1 from large tank 1 outside heat, and the fuel oil in the large tank 1 is heated.This combined type fuel oil fuel tank had both satisfied the demand of using, and also can solve winter low temperature condition engine start difficulty, and the fuel oil loss is serious, problems such as befouling environment.Has the environmental protection concept that prospect and energy-saving and emission-reduction are used in very high market in the present embodiment technological scheme, for automotive oil tank provides a rational improvement project.
In the present embodiment; Above-mentioned hot-fluid switch comprises the motor car engine cooling water tank and is arranged at the circulating water radiator 20 near large tank 1 bottom; Circulating water radiator 20 is fixedly connected with the inwall of large tank 1 through supporting frame 2; Circulating water radiator 20 is provided with intake pipe 21 and outlet pipe 22, and intake pipe 21 is connected with the warm wind water pipe of motor car engine, and outlet pipe 22 is connected with the sewer of radiator of car engine; The heat that produces when through the water cycle in the hot-fluid switch motor car engine being worked takes in the large tank 1 and distributes, and the fuel oil temperature that stores in the large tank 1 is raise.Present embodiment has satisfied in the reality for the demand of the proper functioning of motor needs under psychro-environment, avoids a large amount of consumption oil modes that rely on the height oil of high price simultaneously.And behind the heating dilution fuel oil, can prolong the working life of motor, fuel tank, and diesel oil is more fully burnt, thereby reduced exhaust emissions, reduced environmental pollution.Carry out technological improvement on the basis of present embodiment heating fuel tank in the prior art, have the characteristics of vast market prospect, application prospect and economic environmental protection.
In the present embodiment; The above-mentioned first oil circulation device comprises the first fuel feeding arm 9 and first oil returning branch pipe 7 that is communicated with respectively with large tank 1; The oil pipe end of the first fuel feeding arm 9 stretches into the bottom of large tank 1; The mouth of pipe of the oil pipe end of the first fuel feeding arm 9 is communicated with large tank 1 through first filtrating equipment 15, and the first fuel feeding arm 9 has first delivery valve, 8, the first oil returning branch pipes 7 and has first scavenger valve 6; Make first delivery valve 8 and 6 opening and closing of first scavenger valve through control system, form the oil circuit switching system of the first oil circulation device; The second oil circulation device comprises the second fuel feeding arm 13 and second oil returning branch pipe 12 that is communicated with respectively with little fuel tank 14; The oil pipe end of the second fuel feeding arm 13 stretches into the bottom of little fuel tank 14; The mouth of pipe of the oil pipe end of the second fuel feeding arm 13 is communicated with little fuel tank 14 through second filtrating equipment 18; The second fuel feeding arm 13 has second delivery valve 11; Second oil returning branch pipe 12 has second scavenger valve 10, makes second delivery valve 11 and 10 opening and closing of second scavenger valve through control system, forms the oil circuit switching system of the second oil circulation device.
In the present embodiment; The above-mentioned first fuel feeding arm 9 and the second fuel feeding arm 13 compile formation fuel feeding house steward 4 in the fuel tank outside; First oil returning branch pipe 7 and second oil returning branch pipe 12 compile formation oil return house steward 5 in the fuel tank outside, fuel feeding house steward 4 and oil return house steward 5 are directly to motor car engine circulation fuel feeding.
In the present embodiment, be provided with thermal-protective coating 16 between above-mentioned large tank 1 and the little fuel tank 14.
In the present embodiment, combined type fuel oil fuel tank comes heated fuel oil through the mode of circulation waterway.Through this mode, can realize the whole heating of fuel oil, can control engine running better simultaneously, prevent fire and suffer from.This combined type fuel oil fuel tank comprises two casings, hot-fluid switch, fuel supply line and four main structures of return tube.Wherein, casing plays the effect of container; The hot-fluid switch is realized heating function; Fuel supply line and return tube are realized the fuel feeding and the oil return function of fuel oil, satisfy the consumption oil require of motor.In large tank 1, hold low-grade oil, when the diesel engine proper functioning, use.Little fuel tank 14 holds height oil, is used for ato unit under low temperature environment, and after proper functioning, is adjusted to the low-grade oil fuel feeding of large tank 1 through delivery valve.Through the hybrid fuel feeding of large tank 1 and little fuel tank 14, can conveniently realize behind engine cold-starting, the engine start large tank 1 being heated, switching to three processes of large tank 1 fuel feeding, thereby realize final application demand.Thermal-protective coating 16 can effectively prevent the heat transfer between large tank 1 and the little fuel tank 14.Circulating water radiator 20 is installed in the large tank 1, is used for heating the low-grade oil in the large tank 1.The heat that the heat of circulating water radiator 20 produces from motor self.Circulating water radiator 20 is provided with intake pipe 21 and outlet pipe 22, and intake pipe 21 connects the warm wind water pipe of motor car engine; Outlet pipe 22 connects the loop water pipe of engine water tank.Fuel feeding house steward 4 is provided with two fuel feeding arms, and two fuel feeding arms connect respectively on large tank 1 and 14, two fuel feeding arms of little fuel tank and all are equiped with delivery valve.Be respectively equipped with two oil returning branch pipes on the oil return house steward 5, respectively correspondingly connect big oil, 1 with little fuel tank 14, realizes two oil circulation, be equiped with scavenger valve respectively on while two oil returning branch pipes.And at big oil, 1 is respectively equipped with bottom oil drain out, convenient for oil drainage with the bottom of little fuel tank 14.
The combined type fuel oil fuel tank that is utilized in the present embodiment automobile carries out the method for hybrid substep fuel feeding, comprises the steps:
A. the vehicle fuel fuel tank comprises that a large tank that stores high condensation point fuel oil stores the little fuel tank of low coagulation point fuel oil with another; Under low temperature environment; Make large tank and motor supply the oil circuit between the fuel pipe to close; And make little fuel tank and motor supply the oil circuit between the fuel pipe open-minded, at first use low coagulation point fuel oil to start motor car engine;
B. with transmitting in the high condensation point fuel oil of the heat that produces behind the automobile engine starting in large tank, high condensation point fuel oil is heated, the temperature of the high condensation point fuel oil in the large tank is raise;
C. when the inside temperature of the high condensation point fuel oil in the large tank is higher than the minimum fuel oil temperature that makes the motor car engine proper functioning; Make little fuel tank and motor car engine supply the oil circuit between the fuel pipe to close; And make large tank and motor supply the oil circuit between the fuel pipe open-minded; Through switching supply reservoir, supply high condensation point fuel oil through fuel pipe to motor car engine by large tank, make the motor continuous running.
With the DENG is example, in the present embodiment, when carrying out fuel feeding, adopts adiabatic measure between large tank and the little fuel tank, blocks the heat transfer between the two.Realize that the large tank 1 of close property separation can realize the substep oil supply function with little fuel tank 14: hold low-grade oil in the large tank 1, when the diesel engine proper functioning, use; Little fuel tank 14 holds height oil, is used for ato unit under low temperature environment, and after proper functioning, regulates the low-grade oil fuel feeding of large tank 1 through delivery valve.Through the hybrid substep fuel feeding of large tank 1 and little fuel tank 14, can conveniently realize behind engine cold-starting, the engine start large tank 1 being heated, switching to three processes of large tank 1 fuel feeding, thereby realize final vehicle normal use demand.Thermal-protective coating 16 can prevent the little fuel tank 14 of the heat transferred of large tank 1, produces heat and runs off.Large tank l inner bottom part is provided with circulating water radiator 20, by supporting frame 2 supportings.Circulating water radiator 20 is provided with intake pipe 21 and outlet pipe 22; Intake pipe 21 is connected with the warm wind water pipe of motor car engine; Outlet pipe 22 is connected with the sewer of engine water tank; Utilize the hydraulic pressure of motor to carry out water cycle, distribute in large tank 1 through the heat of water cycle with motor, cold water returns water tank to be continued to be heated.In this example, circulating water radiator 20 both can improve the cooling effectiveness of water tank, can rationally reclaim and utilize the energy of engine producing again, realized the fuel Heating in the large tank 1.Circulating water radiator 20 is supported on large tank 1 bottom by supporting frame 2.
In the present embodiment, delivery valve and scavenger valve are used for realizing fuel feeding control; Filtrating equipment can adopt filter screen, is used for preventing that foreign material from getting into motor.The process that starts fuel tap can adopt following form: during ato unit, use little fuel tank 14 earlier, with height oil; The engine producing heat is that circulating water provides heat; The hydraulic pressure of engine producing provides power, makes hot water circuit get into circulating water radiator 20, gives low number diesel oil heating in the large tank 1.Low-grade oil in the large tank 1 gets into the first fuel feeding arm 9 after first filtrating equipment 15 filters.When low number diesel oil ability proper functioning in the large tank 1, close second delivery valve 11 and second scavenger valve 10 of little fuel tank 14, open first delivery valve 8 and first scavenger valve 6 of large tank, large tank 1 begins to carry out fuel feeding work.Large tank 1 top is provided with oil meter 3, but the memory space of detection at any time large tank 1 intermediate fuel oil.Oil drain out is the bottom oil drain out 19 of large tank and the bottom oil drain out 17 of little fuel tank.
When carrying out hybrid substep fuel feeding, reclaim the exhaust heat-energy of the exhaust of motor car engine, the high condensation point fuel oil in the large tank is carried out assistant heating.Adopt the assistant heating mode, can improve the efficient that fuel tank switches, shorten switching time, reduce the consumption of height oil, reduce energy consumption.
When carrying out hybrid substep fuel feeding, DENG has more advantage.
Embodiment two:
Present embodiment and embodiment's one technological scheme is basic identical, and difference is:
In the present embodiment, the shell of above-mentioned large tank 1 has thermal insulation structure.Large tank 1 adopts thermal insulation structure, can improve the heats to the fuel tank intermediate fuel oil, efficient energy-saving more better.
In the aforementioned embodiment, first delivery valve 8, first scavenger valve 6, second delivery valve 11 and second scavenger valve 10 adopt solenoid valves.Delivery valve and scavenger valve can adopt solenoid valve, can also can adopt manual control mode through the built-in ECU control of automobile.
In the aforementioned embodiment, the material of the radiating fin of circulating water radiator 20 is copper or aluminium matter Heat Conduction Material.Adopt the Heat Conduction Material of copper or aluminium matter of fine quality, can accelerate diabatic process, the short time realizes to the fuel Heating in the large tank 1 and promotes its temperature that shorten the process that fuel tank switches, the consumption of minimizing height oil reduces energy cost.
Combine accompanying drawing that the embodiment of the invention is illustrated above; But the invention is not restricted to the foregoing description, can also make multiple variation, change, the modification of making under all spirit and principles according to technological scheme of the present invention, substitute, combination, simplify according to the purpose of innovation and creation of the present invention; All should be the substitute mode of equivalence; As long as goal of the invention according to the invention, only otherwise deviate from know-why of the present invention and inventive concept, all belong to protection scope of the present invention.
Claims (12)
1. the combined type fuel oil fuel tank of an automobile; Comprise fuel oil fuel tank and fuel tank fixing frame; It is characterized in that: said fuel tank is combined by a large tank (1) and the little fuel tank of another one (14), stores high condensation point fuel oil in the said large tank (1), and said large tank (1) is provided with bottom oil drain out (19) and oil meter (3); Store low coagulation point fuel oil in the said little fuel tank (14); Said little fuel tank (14) also is provided with bottom oil drain out (17), and said large tank (1) connects the first oil circulation device, and said little fuel tank (14) connects the second oil circulation device; The said first oil circulation device and the second oil circulation device switch and the fuel feeding operation that circulates respectively through control system; Said large tank (1) also is provided with the hot-fluid switch, and said hot-fluid switch will be input in the said large tank (1) from the outside heat of said large tank (1), and the fuel oil in the said large tank (1) is heated.
2. the combined type fuel oil fuel tank of automobile according to claim 1; It is characterized in that: said hot-fluid switch comprises motor car engine cooling water tank and the circulating water radiator (20) that is arranged near said large tank (1) bottom; Said circulating water radiator (20) is fixedly connected with the inwall of said large tank (1) through supporting frame (2); Said circulating water radiator (20) is provided with intake pipe (21) and outlet pipe (22); Said intake pipe (21) is connected with the warm wind water pipe of motor car engine; Said outlet pipe (22) is connected with the sewer of radiator of car engine, and the heat that produces when through the water cycle in the said hot-fluid switch motor car engine being worked takes in the said large tank (1) and distributes, and the fuel oil temperature that stores in the said large tank (1) is raise.
3. the combined type fuel oil fuel tank of automobile according to claim 1 and 2; It is characterized in that: the said first oil circulation device comprises the first fuel feeding arm (9) and first oil returning branch pipe (7) that is communicated with respectively with said large tank (1); The oil pipe end of the said first fuel feeding arm (9) stretches into the bottom of said large tank (1); The mouth of pipe of the oil pipe end of the said first fuel feeding arm (9) is communicated with said large tank (1) through first filtrating equipment (15); The said first fuel feeding arm (9) has first delivery valve (8); Said first oil returning branch pipe (7) has first scavenger valve (6), makes said first delivery valve (8) and first scavenger valve (6) opening and closing through control system, forms the oil circuit switching system of the said first oil circulation device;
The said second oil circulation device comprises the second fuel feeding arm (13) and second oil returning branch pipe (12) that is communicated with respectively with said little fuel tank (14); The oil pipe end of the said second fuel feeding arm (13) stretches into the bottom of said little fuel tank (14); The mouth of pipe of the oil pipe end of the said second fuel feeding arm (13) is communicated with said little fuel tank (14) through second filtrating equipment (18); The said second fuel feeding arm (13) has second delivery valve (11); Said second oil returning branch pipe (12) has second scavenger valve (10); Make said second delivery valve (11) and second scavenger valve (10) opening and closing through control system, form the oil circuit switching system of the said second oil circulation device.
4. the combined type fuel oil fuel tank of automobile according to claim 3; It is characterized in that: said first fuel feeding arm (9) and the said second fuel feeding arm (13) compile formation fuel feeding house steward (4) in the fuel tank outside; Said first oil returning branch pipe (7) and second oil returning branch pipe (12) compile formation oil return house steward (5) in the fuel tank outside, said fuel feeding house steward (4) and oil return house steward (5) are directly to motor car engine circulation fuel feeding.
5. the combined type fuel oil fuel tank of automobile according to claim 3 is characterized in that: be provided with thermal-protective coating (16) between said large tank (1) and the little fuel tank (14).
6. the combined type fuel oil fuel tank of automobile according to claim 5, it is characterized in that: the shell of said large tank (1) has thermal insulation structure.
7. the combined type fuel oil fuel tank of automobile according to claim 3 is characterized in that: said first delivery valve (8), first scavenger valve (6), second delivery valve (11) and second scavenger valve (10) employing solenoid valve.
8. the combined type fuel oil fuel tank of automobile according to claim 3, it is characterized in that: the material of the radiating fin of said circulating water radiator (20) is copper or aluminium matter Heat Conduction Material.
9. a combined type fuel oil fuel tank that utilizes the described automobile of claim 1 carries out the method for hybrid substep fuel feeding, it is characterized in that: comprise the steps:
A. the vehicle fuel fuel tank comprises that a large tank that stores high condensation point fuel oil stores the little fuel tank of low coagulation point fuel oil with another; Under low temperature environment; Make large tank and motor supply the oil circuit between the fuel pipe to close; And make little fuel tank and motor supply the oil circuit between the fuel pipe open-minded, at first use low coagulation point fuel oil to start motor car engine;
B. with transmitting in the high condensation point fuel oil of the heat that produces behind the automobile engine starting in large tank, high condensation point fuel oil is heated, the temperature of the high condensation point fuel oil in the large tank is raise;
C. when the inside temperature of the high condensation point fuel oil in the large tank is higher than the minimum fuel oil temperature that makes the motor car engine proper functioning; Make little fuel tank and motor car engine supply the oil circuit between the fuel pipe to close; And make large tank and motor supply the oil circuit between the fuel pipe open-minded; Through switching supply reservoir, supply high condensation point fuel oil through fuel pipe to motor car engine by large tank, make the motor continuous running.
10. the method for hybrid substep fuel feeding according to claim 9 is characterized in that: adopt adiabatic measure between said large tank and the little fuel tank, block the heat transfer between the two.
11. the method according to claim 9 or 10 described hybrid substep fuel feeding is characterized in that: reclaim the exhaust heat-energy of the exhaust of motor car engine, the high condensation point fuel oil in the large tank is carried out assistant heating.
12. the method according to claim 9 or 10 described hybrid substep fuel feeding is characterized in that: said vehicle fuel is a derv fuel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102851620A CN102425514A (en) | 2011-09-23 | 2011-09-23 | Combined type fuel oil box for automobile and mixed-type step-by-step oil supply method of combined type fuel oil box |
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| CN2011102851620A CN102425514A (en) | 2011-09-23 | 2011-09-23 | Combined type fuel oil box for automobile and mixed-type step-by-step oil supply method of combined type fuel oil box |
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| CN107458218A (en) * | 2017-08-17 | 2017-12-12 | 三重型装备有限公司 | Dual chamber fuel tank and quarry tipper |
| CN109080449A (en) * | 2018-07-19 | 2018-12-25 | 安徽华禹食品有限公司 | It is a kind of can classify automatically use divide fuel tank |
| CN109139328A (en) * | 2018-09-29 | 2019-01-04 | 潍柴重机股份有限公司 | Engine thermal management systems and its management method |
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| CN103557104A (en) * | 2013-11-19 | 2014-02-05 | 陈新年 | Fuel tank and engine |
| CN105317519A (en) * | 2014-07-03 | 2016-02-10 | 丁铁汉 | Energy saving method for internal combustion engine and adopted energy saver |
| CN107458218A (en) * | 2017-08-17 | 2017-12-12 | 三重型装备有限公司 | Dual chamber fuel tank and quarry tipper |
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Application publication date: 20120425 |