CN202348494U - Diesel supply and heating device and diesel tank with same - Google Patents
Diesel supply and heating device and diesel tank with same Download PDFInfo
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- CN202348494U CN202348494U CN2011205241538U CN201120524153U CN202348494U CN 202348494 U CN202348494 U CN 202348494U CN 2011205241538 U CN2011205241538 U CN 2011205241538U CN 201120524153 U CN201120524153 U CN 201120524153U CN 202348494 U CN202348494 U CN 202348494U
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- diesel
- heat exchanger
- pipe
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Abstract
The utility model discloses a diesel supply and heating device, which comprises an external tank body. A heater is arranged in the external tank body. A diesel inlet pipe, a diesel overflow pipe and a diesel supply pipe are arranged on the external tank body, wherein the diesel inlet pipe and the diesel overflow pipe are communicated with a diesel tank, and the diesel supply pipe is communicated with a diesel engine. The diesel supply and heating device is independently provided with the external tank body in which the heater is arranged, the diesel inlet pipe, the diesel overflow pipe and the diesel supply pipe are arranged on the external tank body, the diesel inlet pipe and the diesel overflow pipe are communicated with the diesel tank, and the diesel supply pipe is communicated with the diesel engine. Diesel in the diesel tank is delivered into the external tank body through the diesel inlet pipe, and the diesel entering the external tank body is heated to set temperature, and then is delivered to the diesel engine through the diesel supply pipe. Therefore, the problem of diesel deterioration caused by the repeated heating of the diesel in the diesel tank is solved.
Description
Technical field
The utility model relates to the hydraulic equipment technical field, particularly relates to a kind of diesel oil and supplies with heating equipment.In addition, the utility model also relates to a kind of fuel tank that above-mentioned diesel oil is supplied with heating equipment that has.
Background technique
Diesel oil; It is the product of a kind of oil after the Petroleum refining; Belong to oils, mainly form, also can produce through shale oil processing and coal liquefaction by the diesel oil distillate allotment of producing through operations such as crude distillation, catalytic cracking, thermal cracking, hydrocracking and petroleum cokings.Diesel oil is mixed by different hydrocarbons and forms, and its main component is alkane, cycloalkanes or the aromatic hydrocarbons that contains 10 to 22 carbon atoms.The chemical characteristics of diesel oil and physical property are between gasoline and heavy oil; Usually diesel oil is divided into light diesel and Heavy diesel oil; The boiling point of light diesel is between 180 ℃ to 370 ℃; The boiling point of Heavy diesel oil is in 350 ℃ to 410 ℃ scope, and the proportion of diesel oil then is in the interval of 0.82～0.845kg/l.
The most important performance of diesel oil is ignitability and flowability.High-speed diesel engine forms uniform mixed gas with air rapidly after requiring diesel oil to spray into the firing chamber, and compression and combustion, so requires diesel oil to be easy to spontaneous combustion.Begin to spray into cylinder from diesel oil and be called delay period or delay of ignition to blanking time of initial burning.The diesel oil self-ignition point is low, and then delay period is short, and promptly fire behaviour is good.Generally with the index of cetane number as evaluation diesel oil pyrophorisity.The condensation point of diesel oil is the important indicator of evaluation flowability of diesel oil, the minimum temperature that its expression diesel oil can be carried without heating.The condensation point of diesel oil is meant the maximum temperature when oil product is cooled to lost flowability under rated condition.When many and boiling point of normal paraffin content was high in the diesel oil, condensation point was also high, generally selects for use diesel oil requirement condensation point to be lower than 3～5 ℃ of ambient temperatures.
Diesel oil is because mechanical efficiency is higher, thereby often is used as the fuel of launch vehicle such as automobile, tank, aircraft, boats and ships, tractor and railway vehicle or other engineering machinery, the fishing boat of driving when the fisherman fishes that more representative is exactly.
The fisherman uses the ship cost in order to reduce, the diesel oil that employed diesel oil is very inferior often, and the oil of this diesel oil is thickness very; Mobile very poor; Can not satisfy the demand of DENG, reduce the performance of motor, therefore before fishing boat sets sail, all will carry out preheating at every turn the poor ignition quality fuel in the fuel tank to oil mass; To improve the flowability of diesel oil in the fuel tank, make its inflow engine more swimmingly.
For diesel oil is carried out preheating; The practice commonly used in the existing technology is as shown in Figure 1; A plurality of heaters 2 are set in fuel tank 1, and are provided with the temperature that a temperature transducer 3 is used for monitoring the diesel oil of fuel tank 1 in the bottom of fuel tank 1, this temperature transducer 3 is connected with thermometer 4 in being arranged on operating room through lead; To the temperature of operator prompting's diesel oil, the operator is according to the switch of 4 temperature displayed control heaters 2 of thermometer.After treating that diesel oil is heated to the temperature of regulation, through oil outlet 5 flow direction engines.
The scheme of existing technology heats through the diesel oil in 2 pairs of fuel tanks 1 of heater; Heater 2 is according to the temperature of diesel oil and in operation and stop to switch between two states; Diesel oil in the fuel tank 1 is also being heated times without number, after after a while, is very easy to cause the diesel oil in the fuel tank 1 rotten.
The model utility content
The purpose of the utility model provides a kind of diesel oil and supplies with heating equipment, and it is that diesel oil in the fuel tank provides an independent heating place that this diesel oil is supplied with heating equipment, efficiently solves diesel oil in the fuel tank and causes the problem that goes bad because of repetitive heating.Another purpose of the utility model provides a kind of fuel tank that above-mentioned diesel oil is supplied with heating equipment that has.
For solving the problems of the technologies described above; The utility model provides a kind of diesel oil to supply with heating equipment; This diesel oil is supplied with heating equipment and is comprised external casing; In said external casing, be provided with heater, said external casing is provided with and is used for the oil inlet pipe and the oil spill pipe that are communicated with fuel tank, and is used for the fuel supply line that is communicated with DENG.
Preferably; In said external casing, also be provided with heat exchanger, said heat exchanger has the heat exchanger outlet pipe that is used for the heat exchanger intake pipe that is communicated with the outlet pipe of DENG cooling system and is used for being communicated with the return pipe of DENG cooling system.
Preferably, between the heat exchanger intake pipe of said heat exchanger and heat exchanger outlet pipe, be provided with water flow distribution device, said water flow distribution device is used for according to the water yield in the said heat exchanger intake pipe of the temperature regulation of said external casing diesel oil.
Preferably, said water flow distribution device comprises: distribution chamber is communicated with said heat exchanger intake pipe; Return pipe, an end is communicated with said distribution chamber, and the other end is communicated with said heat exchanger outlet pipe; Piston is slidably disposed in the said distribution chamber, and it is provided with through the hole, is used to switch the open and-shut mode of said return pipe; Thermostat, an end stretch in the said external casing, and the other end is connected with said distribution chamber, drive said piston and move; Thermal-protective coating is arranged between said distribution chamber and the said thermostat.
Preferably, said external casing is provided with the first liquid level suggestion device that is used to point out fluid level condition.
Preferably, the said first liquid level suggestion device comprises: first level meter, be arranged on the said external casing, and its inside has the first liquid level float; The first full level alarm lamp is arranged on the top of said first level meter; The first low alarm lamp is arranged on the bottom of said first level meter.
The utility model also provides a kind of fuel tank, and this fuel tank has main box body, is connected with above-mentioned diesel oil on the said main box body and supplies with heating equipment.
Preferably, said main box body is communicated with through said oil inlet pipe and said oil spill pipe with said diesel oil supply heating equipment.
Preferably, said main box body is provided with the second liquid level suggestion device that is used to point out fluid level condition.
Preferably, the said second liquid level suggestion device comprises: second level meter, be arranged on the said main box body, and its inside has the second liquid level float; The second full level alarm lamp is arranged on the top of said second level meter; The second low alarm lamp is arranged on the bottom of said second level meter.
Diesel oil that the utility model provides is supplied with heating equipment and is provided with external casing separately, in external casing, is provided with heater, and external casing is provided with and is used for the oil inlet pipe and the oil spill pipe that are communicated with fuel tank, and is used for the fuel supply line that is communicated with DENG.Through oil inlet pipe the diesel oil in the fuel tank is delivered to earlier in the external casing; The diesel oil that gets into external casing is carried to DENG through fuel supply line through heating and after reaching the temperature of regulation again, causes the rotten problem of diesel oil like this with regard to having avoided repeatedly the diesel oil in the fuel tank being heated.
In a preferred implementation of the utility model; In external casing, heat exchanger is set; Through utilizing heat exchanger and being connected of DENG cooling system the heat of cooling water that the diesel oil in the external casing is heated; And heater is just out of service after diesel oil is heated to set point of temperature, and this mode has made full use of the heat of cooling water, has saved the consumption of electric energy.
In another preferred implementation of the utility model; Through between the heat exchanger intake pipe of heat exchanger and heat exchanger outlet pipe, be provided with water flow distribution device realized according to external casing in the water yield in the temperature regulation heat exchanger intake pipe of diesel oil, the diesel oil in the external casing is remained in the stable temperature range.
In another preferred implementation of the utility model; Through making the operator notice that the diesel oil liquid level in the external casing is in too high or low excessively state in that the first liquid level suggestion device is set on the external casing, so that the operator can in time take appropriate measures in the very first time.
Description of drawings
Fig. 1 is the layout schematic representation of heater in fuel tank in the existing technology;
Fig. 2 is the linkage structure schematic representation that the diesel oil of the utility model is supplied with heating equipment and main box body;
Fig. 3 is an I place enlarged view among Fig. 2;
Fig. 4 is the internal structure schematic representation of heat exchanger.
Embodiment
The core of the utility model provides a kind of diesel oil and supplies with heating equipment, and it is that diesel oil in the fuel tank provides an independent heating place that this diesel oil is supplied with heating equipment, efficiently solves diesel oil in the fuel tank and causes the problem that goes bad because of repetitive heating.Another core of the utility model provides a kind of fuel tank that above-mentioned diesel oil is supplied with heating equipment that has.
In order to make those skilled in the art person understand the utility model scheme better, the utility model is done further to specify below in conjunction with accompanying drawing and embodiment.
Please refer to the utility model diesel oil shown in Figure 2 and supply with the structural representation of the embodiment of heating equipment.
As can be seen from Figure 2; The mode of execution that this kind diesel oil is supplied with heating equipment comprises external casing 10; In this external casing 10, be provided with heater 30; External casing 10 is provided with the oil inlet pipe 11 and oil spill pipe 13 that is used for being communicated with fuel tank, and is used for the fuel supply line 15 that is communicated with DENG.Diesel oil in the fuel tank gets in the external casing 10 through oil inlet pipe 11, and diesel oil can flow back in the fuel tank through oil spill pipe 13 when the oil mass that gets into external casing 10 is too much.Heater 30 can be provided with a plurality of; Be evenly distributed in and be used in the external casing 10 before DENG starts, the diesel oil in the external casing 10 being carried out uniform heating, make diesel oil in the external casing 10 reach setting temperature and flow to DENG and help the DENG startup.In external casing 10, be provided with the temperature transducer that is used to monitor diesel fuel temperature; This temperature transducer sends the temperature data that obtains to temperature detect switch (TDS) in real time; Temperature detect switch (TDS) will compare from the temperature data and the setting temperature of temperature transducer; When the Temperature numerical from temperature transducer equals or be higher than the setting temperature of temperature detect switch (TDS); The temperature that diesel oil is described has reached temperature requirement, can carry to DENG through fuel supply line 15 to help DENG to start, and temperature detect switch (TDS) control heater 30 stops heating simultaneously.
The diesel oil that the utility model provides is supplied with heating equipment and is provided with external casing 10 separately; In external casing 10, be provided with heater 30; External casing 10 is provided with the oil inlet pipe 11 and oil spill pipe 13 that is used for being communicated with fuel tank, and is used for the fuel supply line 15 that is communicated with DENG.Through oil inlet pipe the diesel oil in the fuel tank is delivered to earlier in the external casing 10; The diesel oil that gets into external casing 10 is carried to DENG through fuel supply line 15 through heating and after reaching the temperature of regulation again, causes the rotten problem of diesel oil like this with regard to having avoided repeatedly the diesel oil in the fuel tank being heated.
Because DENG is equipped with cooling recirculation system; The heat that cooling water can be taken away DENG through DENG makes the temperature of self obtain raising; In order to make full use of the heat of cooling water; The utility model diesel oil supply with heating equipment a kind of preferred embodiment in, in external casing 10, be provided with heat exchanger 50.
As shown in Figure 2; Be connected with heat exchanger intake pipe 51 and heat exchanger outlet pipe 53 on the heat exchanger 50; Wherein heat exchanger intake pipe 51 is used to connect the cooling water outlet pipe of DENG cooling system; Heat exchanger outlet pipe 53 is used to connect the CWR of DENG cooling system, through such setting, has absorbed the cooling water that temperature raises behind the heat of DENG and has got into heat exchangers 50 through heat exchanger intake pipe 51; Carry out heat exchange with the diesel oil around the heat exchanger 50, the diesel oil that the heat transferred environment temperature of self is lower makes the temperature of self be minimized simultaneously.The cooling water that has discharged heat turns back in the DENG cooling system through heat exchanger outlet pipe 53 and is used to once more DENG cooled off.
As everyone knows; DENG can obtain higher working efficiency when the diesel oil in the DENG is in a certain temperature range; For the temperature that makes diesel oil remains in such temperature range; Between the heat exchanger intake pipe 51 of heat exchanger 50 and heat exchanger outlet pipe 53, be provided with water flow distribution device 70; This water flow distribution device 70 is used for according to the water yield in the temperature regulation heat exchanger intake pipe 51 of external casing 10 diesel oil; Through controlling the heating power that high-temperature cooling water gets into the Flow-rate adjustment heat exchanger 50 of heat exchanger 50, diesel oil is remained near the specified temp, thereby make DENG keep working efficiency running with higher level.
The concrete structure of water flow distribution device 70 is as shown in Figure 3.
As can be seen from Figure 3, water flow distribution device 70 has distribution chamber 71, and heat exchanger intake pipe 51 is communicated with this distribution chamber 71; In addition, distribution chamber 71 also connects a return pipe 73, and an end of this return pipe 73 is communicated with distribution chamber 71, and the other end is communicated with heat exchanger outlet pipe 53; Also be provided with piston 75 in distribution chamber 71 inside, piston 75 is provided with through hole 751, and piston 75 can slide in distribution chamber 71, has just realized that in the slip of distribution chamber 71 return pipe 73 is opening and closing the switching between two states through piston 75 just; And the slip of piston 75 is driven by thermostat 77; One end of thermostat 77 stretches into the temperature of perception diesel oil in the external casing 10; The other end then is connected with distribution chamber 71 with driven plunger 75 slips; Be provided with thermal-protective coating 79 between distribution chamber 71 and the thermostat 77, be used to prevent that high-temperature cooling water from passing through in the 751 back inflow thermostats 77 of hole.
The working principle of water flow distribution device 70 is described below in conjunction with Fig. 3.
In the stage that DENG has just started, the diesel fuel temperature in the external casing 10 is in and satisfies the state that DENG starts requirement, and this moment, heater 30 quit work, and replaced the diesel oil in 30 pairs of external casings 10 of heater to heat by heat exchanger 50.Because the setting temperature of heater 30 is lower than the setting temperature of thermostat 77; This moment, piston 75 blocked return pipe 73, and the diesel oil that high-temperature cooling water is all got in heat exchangers 50 and the external casing 10 by heat exchanger intake pipe 51 after getting into distribution chamber 71 carries out heat exchange.Carrying out along with heat exchanging process; The temperature of diesel oil raises gradually; If heat exchanger 50 continues to heat the temperature that will make diesel oil again and continues rising and exceed the temperature range that makes DENG have higher working efficiency, the working efficiency of DENG will reduce.At this moment; The temperature of diesel oil moves closer to the setting temperature of thermostat 77 around the thermostat 77; When the temperature of diesel oil around the thermostat 77 reaches the setting temperature of thermostat 77; Thermostat 77 beginning driven plunger 75 are slided, and make return pipe 73 be in open mode gradually, and the high-temperature cooling water that gets into distribution chamber 71 will some flow in the return pipe 73 through the hole 751 of passing through on the piston 75; And then return the DENG cooling system through return pipe 73 inflow heat exchanger outlet pipes 53; So just reduced the heating power of heat exchanger 50, suppressed the ascendant trend of diesel fuel temperature around it, diesel oil in the external casing 10 can still have been remained on DENG had in the temperature range of higher working efficiency.When near the diesel fuel temperature the thermostat 77 are reduced to the setting temperature of thermostat 77 when following; Thermostat 77 will driven plunger 75 block return pipe 73; High-temperature cooling water is all got in the heat exchanger 50; Improve the heating power of diesel oil around 50 pairs of the heat exchangers, diesel oil in the external casing 10 still can be remained on DENG is had in the temperature range of higher working efficiency.From the consideration that improves heat exchanger 50 heat exchange efficiencys, heat exchanger 50 inside can be provided with the U-shaped pipe 55 of many end-to-ends shown in Figure 4, promote the transmission of heat through the mode that increases area of contact.
Mode of execution based on above-mentioned diesel oil supply heating equipment can be provided with the first liquid level suggestion device 90 on external casing 10, be used for external casing 10 diesel oil of prompting operation person and whether reach the liquid level upper limit or lower limit.The first liquid level suggestion device 90 is as shown in Figure 2, comprises first level meter 91 that is arranged on the external casing 10, in this first level meter 91, is provided with the first liquid level float 911 that fluctuates with level change.When the first liquid level float 911 rises to the liquid level upper limit with liquid level; The first liquid level float 911 will conducting be arranged on the first full level alarm lamp 93 on first level meter, 91 tops; Prompting operation person's diesel oil is in upper limit position, and the operator need check the place whether obstruction is arranged in the oil circuit.When the first liquid level float 911 drops to the liquid level lower limit with liquid level; The first liquid level float 911 will conducting be arranged on the first low alarm lamp 95 of first level meter, 91 bottoms; Prompting operation person's diesel oil is in the lower position; The operator need check whether oil pump is in proper working order, and the place whether leakage is arranged in the oil circuit.
Supply with heating equipment except above-mentioned diesel oil, the utility model also provides a kind of fuel tank, and this fuel tank has main box body 20, on this main box body 20, is connected with above-mentioned diesel oil and supplies with heating equipment.As shown in Figure 2, main box body 20 is supplied with heating equipment with diesel oil and is communicated with oil spill pipe 13 through the oil inlet pipe 11 on the external casing 10 that is arranged on diesel oil supply heating equipment.Main box body 20 is carried diesel oil through oil pump to external casing 10, when oil mass is too much in the external casing 10, can diesel oil be flow back to main box body 20 through oil spill pipe 13.
In addition; On main box body 20, also be provided with the second liquid level suggestion device 40 that is used to point out fluid level condition; This second liquid level suggestion device 40 is as shown in Figure 2; Comprise second level meter 41 that is arranged on the main box body 20, in this second level meter 41, be provided with the second liquid level float 411 that fluctuates with level change.When the second liquid level float 411 rises to the liquid level upper limit with liquid level, the second liquid level float 411 will conducting be arranged on the second full level alarm lamp 43 on second level meter, 41 tops, and prompting operation person's diesel oil is in upper limit position.When the second liquid level float 411 drops to the liquid level lower limit with liquid level, the second liquid level float 411 will conducting be arranged on the second low alarm lamp 45 of second level meter, 41 bottoms, and prompting operation person's diesel oil is in the lower position.
More than diesel oil that the utility model provided is supplied with heating equipment and is had this diesel oil and supply with the fuel tank of heating equipment and carried out detailed introduction.Used concrete example among this paper the principle and the mode of execution of the utility model are set forth, above embodiment's explanation just is used to help to understand the method and the core concept thereof of the utility model.Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (10)
1. a diesel oil is supplied with heating equipment; It is characterized in that; Comprise external casing (10); In said external casing (10), be provided with heater (30), said external casing (10) is provided with and is used for the oil inlet pipe (11) and the oil spill pipe (13) that are communicated with fuel tank, and is used for the fuel supply line (15) that is communicated with DENG.
2. diesel oil as claimed in claim 1 is supplied with heating equipment; It is characterized in that; In said external casing (10), also be provided with heat exchanger (50), said heat exchanger (50) has the heat exchanger outlet pipe (53) that is used for the heat exchanger intake pipe (51) that is communicated with the outlet pipe of DENG cooling system and is used for being communicated with the return pipe of DENG cooling system.
3. diesel oil as claimed in claim 2 is supplied with heating equipment; It is characterized in that; Between the heat exchanger intake pipe (51) of said heat exchanger (50) and heat exchanger outlet pipe (53), be provided with water flow distribution device (70), said water flow distribution device (70) is used for according to the water yield in the said heat exchanger intake pipe of temperature regulation (51) of said external casing (10) diesel oil.
4. diesel oil as claimed in claim 3 is supplied with heating equipment, it is characterized in that said water flow distribution device (70) comprising:
Distribution chamber (71) is communicated with said heat exchanger intake pipe (51);
Return pipe (73), an end is communicated with said distribution chamber (71), and the other end is communicated with said heat exchanger outlet pipe (53);
Piston (75) is slidably disposed in the said distribution chamber (71), and it is provided with through hole (751), is used to switch the open and-shut mode of said return pipe (73);
Thermostat (77), an end stretch in the said external casing (10), and the other end is connected with said distribution chamber (71), drive said piston (75) and move;
Thermal-protective coating (79) is arranged between said distribution chamber (71) and the said thermostat (77).
5. supply with heating equipment like each described diesel oil in the claim 1 to 4, it is characterized in that said external casing (10) is provided with the first liquid level suggestion device (90) that is used to point out fluid level condition.
6. diesel oil as claimed in claim 5 is supplied with heating equipment, it is characterized in that the said first liquid level suggestion device (90) comprising:
First level meter (91) is arranged on the said external casing (10), and its inside has the first liquid level float (911);
The first full level alarm lamp (93) is arranged on the top of said first level meter (91);
The first low alarm lamp (95) is arranged on the bottom of said first level meter (91).
7. a fuel tank has main box body (20), it is characterized in that, is connected with each described diesel oil supply heating equipment in the claim 1 to 6 on the said main box body (20).
8. fuel tank as claimed in claim 7 is characterized in that, said main box body (20) is supplied with heating equipment with said diesel oil and is communicated with through said oil inlet pipe (11) and said oil spill pipe (13).
9. fuel tank as claimed in claim 8 is characterized in that, said main box body (20) is provided with the second liquid level suggestion device (40) that is used to point out fluid level condition.
10. fuel tank as claimed in claim 9 is characterized in that, the said second liquid level suggestion device (40) comprising:
Second level meter (41) is arranged on the said main box body (20), and its inside has the second liquid level float (411);
The second full level alarm lamp (43) is arranged on the top of said second level meter (41);
The second low alarm lamp (45) is arranged on the bottom of said second level meter (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205241538U CN202348494U (en) | 2011-12-14 | 2011-12-14 | Diesel supply and heating device and diesel tank with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205241538U CN202348494U (en) | 2011-12-14 | 2011-12-14 | Diesel supply and heating device and diesel tank with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202348494U true CN202348494U (en) | 2012-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205241538U Expired - Fee Related CN202348494U (en) | 2011-12-14 | 2011-12-14 | Diesel supply and heating device and diesel tank with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202348494U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493898A (en) * | 2011-12-14 | 2012-06-13 | 潍柴动力股份有限公司 | Diesel supplying and heating device and diesel case with same |
-
2011
- 2011-12-14 CN CN2011205241538U patent/CN202348494U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493898A (en) * | 2011-12-14 | 2012-06-13 | 潍柴动力股份有限公司 | Diesel supplying and heating device and diesel case with same |
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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: 20120725 Termination date: 20201214 |
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| CF01 | Termination of patent right due to non-payment of annual fee |