CN201679590U - Temperature-increasing oil supply compensation system of diesel motor and oil supply compensator thereof - Google Patents
Temperature-increasing oil supply compensation system of diesel motor and oil supply compensator thereof Download PDFInfo
- Publication number
- CN201679590U CN201679590U CN2010202008113U CN201020200811U CN201679590U CN 201679590 U CN201679590 U CN 201679590U CN 2010202008113 U CN2010202008113 U CN 2010202008113U CN 201020200811 U CN201020200811 U CN 201020200811U CN 201679590 U CN201679590 U CN 201679590U
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- oil
- fuel feeding
- compensator
- oil supply
- way valve
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Abstract
The utility model discloses a temperature-increasing oil supply compensation system of a diesel motor, comprising an oil tank, a diesel motor, a high-pressure oil pump and an oil transfer pump. An oil supply pipe is arranged between the oil transfer pump and the oil tank; oil return pipes are arranged on the high-pressure oil pump and a plurality of oil nozzles of the diesel motor; the oil tank is provided with an oil supply compensator which is provided with an oil supply port connected with the oil supply pipe, and an oil return port connected with the oil return pipe, and internally provided with an oil supply passage connected with the oil supply port and an oil return passage connected with the oil return port; communicating parts are formed at the lower ends of the oil supply passage and the oil return passage; and a one-way valve for conducting in a unidirectional way from bottom to top is arranged below the communicating part. The utility model can reduce the viscosity of diesel so that the diesel motor can operate as usual at low temperature so as to ensure the normal driving of the diesel automobile, further improves the working efficiency of the diesel motor and achieves the energy-saving and environment-friendly effects.
Description
Technical field
The utility model is about diesel engine, relates in particular to a kind of diesel engine and heats fuel feeding bucking-out system and fuel feeding compensator thereof.
Background technique
As shown in Figure 3, usually the work of diesel engine is, by oil transfer pump 91 diesel oil in the fuel tank 92 is transported in the high pressure oil pump 93, high-pressure diesel is squeezed in a plurality of oil nozzles 941 of diesel engine 94 by high pressure oil pump 93, oil nozzle 941 sprays into high temperature diesel oil in a plurality of and the corresponding cylinder (not shown) of oil nozzle, promotes the piston motion in the cylinder.But, in the diesel engine movement process, have some excessive high-temperature oil gas in described high pressure oil pump 93 and a plurality of oil nozzle 941 and return in the fuel tank 92 by return line 95; Though these excessive oil returns of returning fuel tank 92 have certain high temperature, but because volume of fuel tank is bigger, the high temperature oil return of flowing back to fuel tank is difficult to the whole raising of the temperature of the low temperature diesel oil in the fuel tank 92, and therefore, the diesel fuel temperature that enters oil transfer pump 91 from fuel tank 92 is still identical with ambient temperature.
In northern China temperature lower autumn and winter season, analyse the wax phenomenon because diesel oil endures cold to produce, and diesel oil viscosity is increased, blocking can appear in pipeline road, and the motor of diesel-oil vehicle can't proper functioning, and vehicle can't travel; Simultaneously,, low temperature diesel oil is conveyed in the cylinder because the oily temperature in the fuel tank is lower, be unfavorable for cylinder in the air mixing burning of high temperature, high pressure; And the calorific value that burning produces is low, and vehicle leaves unhappy, and discharge tail gas is defective, and environment is polluted.In the prior art, in order to overcome the problems referred to above, allow the diesel engine can proper functioning in low temperature environment, take to change the diesel oil trade mark (being replaced by the diesel oil of the higher trade mark) usually, measures such as electric heating type, electromagnetic type warming device perhaps are installed in oil supply system.But existing said method has following defective:
1. the price of high trade mark diesel oil is more expensive, and the diesel oil of changing the high trade mark can improve the operating cost of vehicle;
2. electric heating type, electromagnetic type warming device are installed, need in whole oil supply system, be increased auxiliary device and control gear, integrally-built complexity can be provided, and above-mentioned warming device complex structure, also have the inconvenience installation and be not easy to problem such as use;
3. electric heating type, electromagnetic type warming device need in running orderly for a long time, need to consume a large amount of electric energy on the vehicle.
In view of this, the inventor relies on relevant design and manufacturing experience for many years, proposes a kind of diesel engine and heats fuel feeding bucking-out system and fuel feeding compensator thereof, to overcome the defective of prior art.
The model utility content
The purpose of this utility model is to provide a kind of diesel engine to heat fuel feeding bucking-out system and fuel feeding compensator thereof, can improve the fuel oil temperature in the oil supply system, make the diesel fuel temperature that enters oil transfer pump obtain bigger raising, and then the working efficiency of raising diesel engine, make it reach the effect of energy-saving and environmental protection.
Another purpose of the present utility model is to provide a kind of diesel engine to heat fuel feeding bucking-out system and fuel feeding compensator thereof, and it is simple in structure, be easy to install, easy to use.
The purpose of this utility model is to realize like this, a kind of diesel engine heats the fuel feeding bucking-out system, this heats the fuel feeding bucking-out system and includes fuel tank, diesel engine, high pressure oil pump and oil transfer pump, be provided with fuel supply line between oil transfer pump and the fuel tank, be provided with return tube on the described high pressure oil pump and on a plurality of oil nozzles of described diesel engine; Be provided with a fuel feeding compensator in the described fuel tank, described fuel feeding compensator is provided with oil-feed port that is connected with fuel supply line and the return opening that is connected with return tube; Be provided with oil supply gallery that is connected with oil-feed port and the drainback passage that is connected with return opening in described fuel feeding compensator, described oil supply gallery and drainback passage are formed with interconnecting part in the lower end, and the interconnecting part below is provided with the one-way valve of unidirectional conducting from bottom to top.
In a better embodiment of the present utility model, described fuel feeding compensator comprises that a lower end is the cylindrical shell of opening, the housing upper end is provided with described oil-feed port and return opening, described interconnecting part is positioned at the contiguous lower end position of housing and described housing seal is divided into upper and lower two space portions, and described one-way valve is arranged on the following space portion of housing.
In a better embodiment of the present utility model, be provided with filter screen in a side of one-way valve.
In a better embodiment of the present utility model, described filter screen is arranged on the upside of one-way valve.
In a better embodiment of the present utility model, described filter screen is arranged on the downside of one-way valve.
A kind of fuel feeding compensator, described fuel feeding compensator is provided with oil-feed port and return opening; Be provided with oil supply gallery that is connected with oil-feed port and the drainback passage that is connected with return opening in described fuel feeding compensator, described oil supply gallery and drainback passage are formed with interconnecting part in the lower end, and the interconnecting part below is provided with the one-way valve of unidirectional conducting from bottom to top.
From the above mentioned, heat in the fuel feeding bucking-out system,, can mix with the diesel oil that from fuel tank, sucks oil supply gallery when the excessive fluid of diesel engine enters the fuel feeding compensator and enters oil supply gallery by drainback passage in diesel engine of the present utility model; Because described fuel feeding compensator bottom is provided with one-way valve, therefore, the high temperature oil return can not flowed back in the fuel tank, but at described interconnecting part with after diesel oil from the fuel tank suction mixes, be inhaled in the oil transfer pump once more; Because the oil return in the drainback passage has certain high temperature, make and be inhaled into that the temperature of diesel oil improves a lot in the oil supply gallery, and then improve the temperature of mixed diesel oil, the temperature that enters the Medium diesel oil in the oil transfer pump like this will be much higher than ambient temperature, can reduce diesel oil viscosity, avoid pipeline road choking phenomenon to occur, make diesel engine proper functioning in low temperature, guarantee the diesel car cruising.In addition, what have uniform temperature like this waits that burning efficient that diesel oil does work in cylinder is certain to surpass in the past low temperature diesel oil, can improve the working efficiency of diesel engine, makes it reach the effect of energy-saving and environmental protection.
Description of drawings
The following drawings only is intended to the utility model done and schematically illustrates and explain, does not limit scope of the present utility model.Wherein,
Fig. 1: the structural representation that heats the fuel feeding bucking-out system for the utility model diesel engine.
Fig. 2: be the structural representation of fuel feeding compensator in the utility model.
Fig. 3: be the prior art structural representation.
Embodiment
Understand for technical characteristics of the present utility model, purpose and effect being had more clearly, now contrast description of drawings embodiment of the present utility model.
As shown in Figure 1 and Figure 2, the utility model proposes a kind of diesel engine and heat fuel feeding bucking-out system 100, this heats the fuel feeding bucking-out system and includes fuel tank 1, diesel engine 2, high pressure oil pump 3 and oil transfer pump 4, be provided with fuel supply line 5 between oil transfer pump 4 and the fuel tank 1, be provided with return tube 6 on the described high pressure oil pump 3 and on a plurality of oil nozzles 21 of described diesel engine 2; Be provided with a fuel feeding compensator 7 in the described fuel tank 1, described fuel feeding compensator 7 is provided with oil-feed port 71 that is connected with fuel supply line 5 and the return opening 72 that is connected with return tube 6; In described fuel feeding compensator 7, be provided with oil supply gallery 73 that is connected with oil-feed port 71 and the drainback passage 74 that is connected with return opening 72, described oil supply gallery 73 is formed with interconnecting part 75 with drainback passage 74 in the lower end, interconnecting part 75 belows are provided with the one-way valve 76 of unidirectional conducting from bottom to top.
From the above mentioned, heat in the fuel feeding bucking-out system in diesel engine of the present utility model, the excessive fluid of diesel engine enters in the fuel feeding compensator by return tube, enters oil supply gallery through drainback passage again, mixes with the low temperature diesel oil that sucks oil supply gallery from fuel tank; Because described fuel feeding compensator bottom is provided with one-way valve, therefore, the high temperature oil return can not flowed back in the fuel tank, but at described interconnecting part with after low temperature diesel oil from the fuel tank suction mixes, be inhaled in the oil transfer pump once more; Because the oil return in the drainback passage has certain high temperature, the temperature of the low temperature diesel oil that is inhaled in the oil supply gallery is improved a lot, and then make mixed diesel oil have certain temperature, the temperature that enters the Medium diesel oil in the oil transfer pump like this will be much higher than ambient temperature, can reduce diesel oil viscosity, avoid pipeline road choking phenomenon to occur, make the diesel engine can proper functioning in low temperature, guarantee the diesel car cruising.In addition, what have uniform temperature like this waits that burning efficient that diesel oil does work in cylinder is bound to surpass in the past low temperature diesel oil, can improve the working efficiency of diesel engine, makes it reach the effect of energy-saving and environmental protection.
Further, in the present embodiment, as shown in Figure 2, described fuel feeding compensator 7 comprises that a lower end is the cylindrical shell 77 of opening, housing 77 upper ends are provided with described oil-feed port 71 and return opening 72, described interconnecting part 75 is positioned at the contiguous lower end positions of housing 77 and is upper and lower two space portions with described housing 77 sealed separation, and described one-way valve 76 is arranged on the following space portion of housing 77.Side at one-way valve 76 is provided with filter screen 78, and described filter screen 78 can be arranged on the upside of one-way valve 76, also can be arranged on the downside of one-way valve 76.
In the present embodiment, in the space portion and the outside that is positioned at oil supply gallery 73 is equiped with auxiliary heater element of cold start-up in winter and temperature control component (not shown) on housing 77, described auxiliary heater element and temperature control component just use when vehicle launch, just can quit work behind the vehicle launch, therefore, it can too much not consume the electric energy on the vehicle.
Diesel engine of the present utility model heats the fuel feeding bucking-out system, is one to be enclosed within and all can to use low trade mark diesel oil under the multiple climatic environment, make motor bring into play more large effect, reduce fuel consumption and toxic emission, have the multi-function device that starts fast under low temperature environment.The waste heat (about 80 ℃-90 ℃) that it self produces when making full use of motor acting running, the circulation fuel oil is carried out heat exchange transmission and high pressure warming respectively in pipeline road and associated components, fluid in oil supply gallery and the drainback passage compiles and mixes temperature and can reach 40 ℃-50 ℃, the secondary cycle utilization is carried out in these oil returns that obtained uniform temperature, when these diesel oil are waited to burn fuel oil through high pressure oil pump compression conduct again, because of the temperature that the high pressure effect produces can be higher than last link, temperature can reach about 70 ℃, even higher; Treating like this burnt the fuel oil performance of doing work and is decidedly superior in the past in cylinder.
It is that a fuel feeding compensator is installed in fuel tank that diesel engine of the present utility model heats the fuel feeding bucking-out system, the back is installed replaces former car fuel tank fuel sucking pipe, and length is according to the fuel tank diameter or highly do suitable adjustment; One-way valve is installed in the interconnecting part below, flows back to fuel tank to stop the high temperature oil return; Foot is the oil-feed filter screen; The fuel feeding compensator also is equiped with auxiliary heater element of cold start-up in winter and temperature control component (as: electric heater etc.), to improve its Security and reliability.
Diesel engine of the present utility model heats the fuel feeding bucking-out system and the fuel feeding compensator has following having a few:
1. because oily vapour mixture, greatly reduces discharge of harmful gases such as the impurity of diesel engine and black smoke through second use, help environmental protection.
2. because the oily vapour mixture after heating enters motor, solved and made the problem that diesel engine can't proper functioning owing to ambient temperature is low; Simultaneously, owing to need not change high trade mark diesel oil, also reduced the operating cost of vehicle.
The above only is the schematic embodiment of the utility model, is not in order to limit scope of the present utility model.Any those skilled in the art, equivalent variations of having done under the prerequisite that does not break away from design of the present utility model and principle and modification all should belong to the scope that the utility model is protected.
Claims (10)
1. a diesel engine heats the fuel feeding bucking-out system, this heats the fuel feeding bucking-out system and includes fuel tank, diesel engine, high pressure oil pump and oil transfer pump, be provided with fuel supply line between oil transfer pump and the fuel tank, be provided with return tube on the described high pressure oil pump and on a plurality of oil nozzles of described diesel engine; It is characterized in that: be provided with a fuel feeding compensator in the described fuel tank, described fuel feeding compensator is provided with oil-feed port that is connected with fuel supply line and the return opening that is connected with return tube; Be provided with oil supply gallery that is connected with oil-feed port and the drainback passage that is connected with return opening in described fuel feeding compensator, described oil supply gallery and drainback passage are formed with interconnecting part in the lower end, and the interconnecting part below is provided with the one-way valve of unidirectional conducting from bottom to top.
2. diesel engine as claimed in claim 1 heats the fuel feeding bucking-out system, it is characterized in that: described fuel feeding compensator comprises that a lower end is the cylindrical shell of opening, the housing upper end is provided with described oil-feed port and return opening, described interconnecting part is positioned at the contiguous lower end position of housing and described housing seal is divided into upper and lower two space portions, and described one-way valve is arranged on the following space portion of housing.
3. diesel engine as claimed in claim 1 or 2 heats the fuel feeding bucking-out system, it is characterized in that: the side at one-way valve is provided with filter screen.
4. diesel engine as claimed in claim 3 heats the fuel feeding bucking-out system, it is characterized in that: described filter screen is arranged on the upside of one-way valve.
5. diesel engine as claimed in claim 3 heats the fuel feeding bucking-out system, it is characterized in that: described filter screen is arranged on the downside of one-way valve.
6. fuel feeding compensator, it is characterized in that: described fuel feeding compensator is provided with oil-feed port and return opening; Be provided with oil supply gallery that is connected with oil-feed port and the drainback passage that is connected with return opening in described fuel feeding compensator, described oil supply gallery and drainback passage are formed with interconnecting part in the lower end, and the interconnecting part below is provided with the one-way valve of unidirectional conducting from bottom to top.
7. fuel feeding compensator as claimed in claim 6, it is characterized in that: described fuel feeding compensator comprises that a lower end is the cylindrical shell of opening, the housing upper end is provided with described oil-feed port and return opening, described interconnecting part is positioned at the contiguous lower end position of housing and described housing seal is divided into upper and lower two space portions, and described one-way valve is arranged on the following space portion of housing.
8. as claim 6 or 7 described fuel feeding compensators, it is characterized in that: the side at one-way valve is provided with filter screen.
9. fuel feeding compensator as claimed in claim 8 is characterized in that: described filter screen is arranged on the upside of one-way valve.
10. fuel feeding compensator as claimed in claim 8 is characterized in that: described filter screen is arranged on the downside of one-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202008113U CN201679590U (en) | 2010-05-19 | 2010-05-19 | Temperature-increasing oil supply compensation system of diesel motor and oil supply compensator thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202008113U CN201679590U (en) | 2010-05-19 | 2010-05-19 | Temperature-increasing oil supply compensation system of diesel motor and oil supply compensator thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201679590U true CN201679590U (en) | 2010-12-22 |
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ID=43344636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202008113U Expired - Fee Related CN201679590U (en) | 2010-05-19 | 2010-05-19 | Temperature-increasing oil supply compensation system of diesel motor and oil supply compensator thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201679590U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251884A (en) * | 2010-05-19 | 2011-11-23 | 杜俊坤 | Temperature increasing and oil supplying compensation system for diesel motor, and oil supply compensator |
| CN114508449A (en) * | 2022-02-16 | 2022-05-17 | 一汽解放汽车有限公司 | Oil suction valve and diesel engine assembly |
-
2010
- 2010-05-19 CN CN2010202008113U patent/CN201679590U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251884A (en) * | 2010-05-19 | 2011-11-23 | 杜俊坤 | Temperature increasing and oil supplying compensation system for diesel motor, and oil supply compensator |
| CN114508449A (en) * | 2022-02-16 | 2022-05-17 | 一汽解放汽车有限公司 | Oil suction valve and diesel engine assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101222 Termination date: 20160519 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |