CN101871391B - Lubrication and cleaning method of oil coke slurry pump and ejector for compression-ignition internal combustion engine, and device thereof - Google Patents
Lubrication and cleaning method of oil coke slurry pump and ejector for compression-ignition internal combustion engine, and device thereof Download PDFInfo
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- CN101871391B CN101871391B CN2010101883884A CN201010188388A CN101871391B CN 101871391 B CN101871391 B CN 101871391B CN 2010101883884 A CN2010101883884 A CN 2010101883884A CN 201010188388 A CN201010188388 A CN 201010188388A CN 101871391 B CN101871391 B CN 101871391B
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Abstract
The invention discloses a lubrication and cleaning method of an oil coke slurry pump and an ejector for a compression-ignition internal combustion engine, and a device thereof. The device comprises the plunger type oil coke slurry pump and the oil coke slurry ejector, wherein the plunger type oil coke slurry pump and an oil outlet interface of the oil coke slurry ejector are connected with a three-way joint B by lubricating oil pipelines; an oil inlet interface is connected with a three-way joint A by the lubricating oil pipeline; a lubricating oil storage device, a filer and a lubricating oil pump are sequentially connected between the three-way joint B and the three-way joint A by the lubricating oil pipelines; and the lubricating oil pump is driven by the internal combustion engine. The lubricating oil pump is used for pumping filtered lubricating oil into the oil coke slurry pump and the oil coke slurry ejector, and the petroleum coke micro-solid particles in the oil coke slurry pump and the oil coke slurry ejector can be taken away by the lubricating oil, so that the invention prolongs the service life of a fuel supply system, and improves the work reliability thereof.
Description
Technical field
The present invention relates to the internal combustion engine lubrication field, is lubricated cleaning method and the device of a kind of compression ignition internal combustion engine with oil coke slurry pump and sparger specifically.
Background technique
The petroleum reserves of China have only the world per capita 8%, and about 50% in the middle of the current every year required crude oil depends on overseas import, will reach 65% to this numeral of the year two thousand twenty.In order to optimize China's fuel structure, reduce dependence to the import fuel oil, the research of novel alternative fuel receives unprecedented attention, and various possible approach are all being tried to explore.The oil coke slurry is a kind of New-type fuel; Obtain through following process: the final by-product petroleum coke of Petroleum refining is ground into small solid particle; Mix with certain proportion diesel oil then; Add some effective ingredients again, become the fuel of similar fuel oil through certain prepared, the oil coke slurry is shown great attention to as what the exploitation of compression ignition internal combustion engine alternative fuel had also received.
But the oil coke slurry is applied to traditional compression ignition internal combustion engine, can causes the operating time of conventional high-tension oil pump and traditional axial needle type injector sharply to be reduced, rate of fault significantly improves.Its main cause is in the oil coke slurry the small solid particle of a large amount of petroleum cokes to be arranged; With traditional high pressure oil pump when oil coke slurry pump pumping oil coke is starched; There is sub-fraction oil coke slurry under high pressure to penetrate into the gap of plunger bushing and plunger; The small solid particle of petroleum coke is piled up more and morely in the gap like this, causes the plunger of oil coke slurry pump can not be along plunger bushing to-and-fro motion and rotation at last, the not fuel-displaced coke slurry fuel of pumping.And also have sub-fraction in the high pressure oil coke that transports through the high pressure oil pump slurry through the needle-valve of oil coke slurry ejector and the matching gap entering fitting surface of needle-valve body; Cause the small solid particle of fitting surface to pile up more and more; Make the needle-valve and the surface friction drag between the needle-valve body of oil coke slurry ejector increasing, cause the needle valve movement difficulty.Along with increasing of accumulating amount, attached to the needle-valve conical ring pressure-bearing surface of traditional axial needle type injector, the effect of high pressure oil coke slurry causes needle-valve not opened less than needle-valve conical ring pressure-bearing surface at last.
Number of patent application is: 200910238529.6 disclose a kind of plunger oil coke slurry pump that is used for compression ignition internal combustion engine, as shown in Figure 1, and plunger bushing 101 is installed in the pump housing of said plunger oil coke slurry pump 1, and plunger 102 inserts in the plunger bushing 101; Plunger bushing 101 bottoms have plunger bushing lubricant reservoir 103, and hollow bolt A104 and hollow bolt B 105 pass through hole whorl respectively and be connected on the pump housing both sides projection 106, and are communicated with plunger bushing lubricant reservoir 103.Plunger bushing lubricant reservoir 103 bilateral symmetry have plunger bushing lubricating oil inlet 107 and plunger bushing lubricating oil outlet 108.Both sides, plunger bushing 101 top have lubricant oil oil inlet passage 109 and lubricant oil oil discharge passage 110.Pump housing front-end face both sides are equipped with lubricant oil oil-feed interface A111 and lubricant oil oil out port A112; Lubricant oil oil inlet passage 109 communicates with lubricant oil oil-feed interface A111; Lubricant oil oil discharge passage 110 communicates with lubricant oil oil out port A112.
Number of patent application is: 200910238530.9 disclosed a kind of oil coke slurry ejectors that are used for compression ignition internal combustion engine; As shown in Figure 2; The injector body bilateral symmetry of oil coke slurry ejector 2 is connected with lubricant oil oil-feed interface B201 and lubricant oil oil out port B202; The injector body front end is connected with needle-valve body 203, and needle-valve 204 is inserted in the needle-valve body 203.Needle-valve body 203 middle parts have needle-valve body lubricant reservoir 205.The injector body bilateral symmetry is distributed with injector body lubricant oil oil inlet passage 206, injector body lubricant oil oil discharge passage 207, and is communicated with needle-valve body lubricant oil oil inlet passage 208, the needle-valve body lubricant oil oil discharge passage 209 that needle-valve body 203 both sides distribute respectively.Lubricant oil oil-feed interface B201 communicates with needle-valve body lubricant reservoir 205 through injector body lubricant oil oil inlet passage 206 and needle-valve body lubricant oil oil inlet passage 208 successively; Said lubricant oil oil out port B202 communicates with needle-valve body lubricant reservoir 205 through injector body lubricant oil oil discharge passage 207 and needle-valve body lubricant oil oil discharge passage 209 successively.
Above-mentioned plunger oil coke slurry pump 1 carries lubricant oil oil-feed interface and lubricant oil oil out port with oil coke slurry ejector 2; The small solid particle of petroleum coke of the plunger oil coke slurry pump in the time of therefore can utilizing lubricant oil to work and the friction surface of oil coke slurry ejector is taken away; So just, can improve the life-span and the functional reliability of oil coke slurry compression ignition internal combustion engine fuel supply system, and at present not about cleaning method and the device of this plunger oil coke slurry pump 1 with oil coke slurry ejector 2.
Summary of the invention
Be applied to compression ignition internal combustion engine in order oil coke to be starched this novel alternative fuel; Solve the problems referred to above that plunger oil coke slurry pump and oil coke slurry ejector exist; In conjunction with a kind of plunger oil coke slurry pump and novel oil coke slurry ejector that is applicable to compression ignition internal combustion engine burning oil coke slurry New-type fuel, lubricated cleaning method and the device of a kind of compression ignition internal combustion engine with oil coke slurry pump and sparger proposed.It can prevent effectively that small solid particle stops up plunger coupled parts and pintle nozzle match-ing parts gap, the operating life and the functional reliability that prolong them in the oil coke slurry.
A kind of compression ignition internal combustion engine of the present invention is realized through following steps with the lubricated cleaning method of oil coke slurry pump and sparger:
Step 1: start compression ignition internal combustion engine;
Start compression ignition internal combustion engine, when making plunger oil coke slurry pump and oil coke slurry ejector in running order, drive lubricating pump simultaneously and start working;
Step 2: lubricated oil filtration;
Lubricant oil in the lubricant oil storage enters into filter, is the clean lubricant oil of free from admixture through filter with the lubrication oil filtration in the lubricant oil storage;
Step 3: the lubricant oil that the free from admixture that obtains in the step 2 is clean enters into lubricating pump, through lubricating pump lubricant oil is pumped in plunger oil coke slurry pump and the oil coke slurry ejector again;
Step 4: clean the friction surface in oil coke slurry pump and the oil coke slurry ejector;
When plunger oil coke slurry pump and oil coke slurry ejector proper functioning, lubricant oil enters into the plunger bushing lubricant reservoir continuous flushing plunger bushing of plunger oil coke slurry pump and the fitting surface of plunger; Lubricant oil enters into the needle-valve body lubricant reservoir of oil coke slurry ejector, and needle-valve and needle-valve body fitting surface constantly are recycled mobile oil flushing, and the oil coke of the oil pocket in plunger oil coke slurry pump and the oil coke slurry ejector is starched small solid particle and taken out of the most at last.
When proper functioning; Have the matching gap inflow needle-valve body lubricant reservoir of a small amount of oil coke slurry through needle-valve and needle-valve body; Successively through the inflow needle-valve body lubricant reservoir behind injector body lubricant oil oil inlet passage and the needle-valve body lubricant oil oil inlet passage, lubricant oil will flow into oil coke in the needle-valve body lubricant reservoir and starch small solid particle and take out of lubricant oil from lubricant oil oil-feed interface B.
Step 5: the recovery of lubricant oil.
The lubricant oil that contains the small solid particle in the oil coke slurry after cleaning finishes is pumped in the lubricant oil storage through lubricating pump, and circulation carry out step 1～and step 4 can repeatedly clean plunger oil coke slurry pump and oil coke slurry ejector.
Based on said method, the present invention also provides the lubricated cleaning device of a kind of compression ignition internal combustion engine with oil coke slurry pump and sparger, comprises compression ignition internal combustion engine, lubricating pump, filter, lubricant oil storage, tee union A, lubricating oil pipeline and tee union B.
Promising plunger oil coke slurry pump of compression ignition internal combustion engine set inside and oil coke slurry ejector; Plunger oil coke slurry pump is connected tee union B with the lubricant oil oil out port of oil coke slurry ejector through lubricating oil pipeline; The lubricant oil oil-feed interface of plunger oil coke slurry pump and oil coke slurry ejector is connected tee union A through lubricating oil pipeline; Be connected with lubricant oil storage, filter and lubricating pump in turn on the pipeline between tee union B and the tee union A, concrete annexation is following:
Lubricant oil storage oil outlet end is connected with filter through lubricating oil pipeline; The other end of filter is connected through lubricating oil pipeline and lubricating pump; The other end of lubricating pump is connected with tee union A through lubricating oil pipeline; The two ends of tee union A are connected with the lubricant oil oil-feed interface A of plunger oil coke slurry pump, the lubricant oil oil-feed interface B of oil coke slurry ejector respectively; The lubricant oil oil out port A of plunger oil coke slurry pump respectively is connected with tee union B two ends through lubricating oil pipeline with the lubricant oil oil out port B of oil coke slurry ejector, and the 3rd end of tee union B is connected with the oil inlet end of lubricant oil storage through lubricating oil pipeline.
The invention has the advantages that:
1, when plunger oil coke slurry pump is worked, the oil coke slurry that penetrates into plunger bushing and plunger gap flows to lubricant reservoir, is recycled mobile lubricant oil and takes, flows into the lubricant oil storage out of.Particulate in the lubricant oil that circulates precipitates in the lubricant oil storage and filters through filter, thereby has avoided small solid particle in the oil coke slurry to be deposited in the friction surface of plunger oil coke slurry pump, influences its proper functioning;
2, there is during the oil coke slurry ejector proper functioning matching gap of sub-fraction oil coke slurry entire body to get into lubricant reservoir; The lubricant oil that constantly circulates is taken the oil coke slurry that flows into out of, prevents that small solid particle is deposited in the needle-valve of oil coke slurry ejector and the matching gap of needle-valve body causes the needle valve movement difficulty;
3, the method that the present invention adopted can prolong plunger oil coke slurry pump and oil coke slurry ejector operating life effectively and improve functional reliability, reduces rate of breakdown.
Description of drawings
Fig. 1 is a plunger oil coke slurry pump overall structure sectional drawing;
Fig. 2 is the oil coke slurry ejector top plan view;
Fig. 3 is a lubricated cleaning method flow chart provided by the invention;
Fig. 4 is that lubricated cleaning device overall structure connects schematic representation among the present invention.
1-plunger oil coke slurry pump 2-oil coke slurry ejector 3-lubricating pump
4-compression ignition internal combustion engine 5-filter 8-chain 6-lubricant oil storage
The gear 11-of 7-crankshaft starting claw place tee union B 9-tee union A
10-lubricating oil pipeline 103-plunger bushing lubricant reservoir 101-plunger bushing
102-plunger 106-projection 104-hollow bolt A
105-hollow bolt B 109-lubricant oil oil inlet passage 107-plunger bushing lubricating oil inlet
108-plunger bushing lubricant oil goes out 112-lubricant oil oil out port A 110-lubricant oil oil discharge passage
111-lubricant oil oil-feed interface A 203-needle-valve body 201-lubricant oil oil-feed interface B
The fuel-displaced B 206-injector body lubricant oil oil inlet passage 204-needle-valve that connects of 202-lubricant oil
205-needle-valve body lubricant reservoir 209-needle-valve body lubricant oil oil discharge passage 207-injector body lubricant oil oil discharge passage
The oil-feed of 208-needle-valve body lubricant oil
Passage
Embodiment
Below in conjunction with accompanying drawing the present invention is elaborated.
The present invention provides the lubricated cleaning method of a kind of compression ignition internal combustion engine with oil coke slurry pump and sparger, and flow chart as shown in Figure 3 is specifically realized through following steps:
Step 1: start compression ignition internal combustion engine 4;
Start compression ignition internal combustion engine 4, when making plunger oil coke slurry pump 1 and oil coke slurry ejector 2 in running order, drive lubricating pump simultaneously and start working.
Step 2: lubricated oil filtration;
Lubricant oil in the lubricant oil storage 6 enters into filter 5, is the clean lubricant oil of free from admixture through filter 5 with the lubrication oil filtration in the lubricant oil storage 6.
Step 3: the lubricant oil that the free from admixture that obtains in the step 2 is clean enters into lubricating pump, through lubricating pump lubricant oil is pumped in plunger oil coke slurry pump 1 and the oil coke slurry ejector 2;
Step 4: clean the friction surface in oil coke slurry pump 1 and the oil coke slurry ejector 2;
When plunger oil coke slurry pump 1 proper functioning, sub-fraction oil coke slurry is arranged through the gap inflow plunger bushing lubricant reservoir 103 of plunger bushing 101 with plunger 102.Lubricant oil meets A111 successively through flowing into behind lubricant oil oil inlet passage in the pump housing 109 and the hollow bolt A104 the plunger bushing lubricant reservoir 103 from the lubricant oil oil-feed; The lubricant oil that circulates constantly washes the fitting surface of plunger bushing 101 and plunger 102; The oil coke that is penetrated into plunger bushing lubricant reservoir 103 is starched small solid particle to be taken out of; Make the small solid particle in the oil coke slurry can not be deposited in plunger bushing 101 and plunger 102 matching gaps, guaranteed that plunger 102 can freely rotatablely move along plunger bushing 101 to-and-fro motion with around self.The lubricant oil that carries the small solid particle in the oil coke slurry arrives lubricant oil oil out port A112 at last and flows back in the lubricant oil storage 6 through lubricant oil oil discharge passage 110 in the hollow bolt B105 and the pump housing.
When oil coke slurry ejector 2 proper functioning; Have a small amount of oil coke slurry through the matching gap inflow needle-valve body lubricant reservoir 205 of needle-valve 204 with needle-valve body 203; Lubricant oil flows into the needle-valve body lubricant reservoir 205 through injector body lubricant oil oil inlet passage 206 and needle-valve body lubricant oil oil inlet passage 208 backs from lubricant oil oil-feed interface B201 successively; Needle-valve 204 constantly is recycled mobile oil flushing with needle-valve body 203 fitting surfaces; Lubricant oil will flow into oil coke in the needle-valve body lubricant reservoir 205 and starch small solid particle and take out of; Thus, small solid particle just can not piled up in needle-valve 204 and needle-valve body 203 matching gaps in the oil coke slurry, thereby keeps needle-valve 204 motions smooth and easy.The lubricant oil that carries the small solid particle in the oil coke slurry is through needle-valve body lubricant oil oil discharge passage 209 and injector body lubricant oil oil discharge passage 208, after the small solid particle in the oil coke slurry that lubricant oil oil out port B202 comes in infiltration take needle-valve body lubricant reservoir 205 out of and flow back in the lubricant oil storage 6.
Step 5: the recovery of lubricant oil.
The lubricant oil that has cleaned behind plunger oil coke slurry pump 1 and the oil coke slurry ejector 2 no longer is the pure lubricant oil of free from admixture; Contain the small solid particle in the oil coke slurry in the lubricant oil of this moment; These molecules are pumped in the lubricant oil storage 6 through lubricating pump 3 with lubricant oil jointly, and circulation carry out step 1～and step 4 can be repeatedly clean plunger oil coke slurry pump 1 and oil coke slurry ejector 2.
Based on said method; The present invention combines a kind of novel plunger-type oil coke slurry pump 1 and a kind of novel oil coke slurry ejector 2; Designed the lubricated cleaning device of a kind of compression ignition internal combustion engine with oil coke slurry pump and sparger; As shown in Figure 4, comprise compression ignition internal combustion engine 4, plunger oil coke slurry pump 1, oil coke slurry ejector 2, lubricating pump 3, filter 5, lubricant oil storage 6, tee union A9 and lubricating oil pipeline 10 and tee union B11.Compression ignition internal combustion engine 4 set inside have plunger oil coke slurry pump 1, oil coke slurry ejector 2.Plunger oil coke slurry pump 1 is connected a tee union B11 through lubricating oil pipeline 10 respectively with the lubricant oil oil out port of oil coke slurry ejector 2; Plunger oil coke slurry pump 1 is connected a tee union A9 through lubricating oil pipeline 10 respectively with the lubricant oil oil-feed interface of oil coke slurry ejector 2, is connected with lubricant oil storage 6, filter 5 and lubricating pump 3 on the lubricating oil pipeline 10 between tee union B11 and the tee union A9 in turn.
As shown in Figure 4, lubricant oil storage 6 is used for storing lubricant oil, and lubricant oil storage 6 oil outlet ends are connected with filter 5 through lubricating oil pipeline 10, and filter 5 is used for the lubrication oil filtration in the lubricant oil storage 6 is clean lubricant oil.The other end of filter 5 is connected through lubricating oil pipeline 10 and lubricating pump 3, and lubricating pump 3 is used for carrying the lubricant oil in the lubricating fitting of the present invention.Lubricating pump 3 is driven by compression ignition internal combustion engine 4, and the power of the crankshaft starting claw place gear 7 in the compression ignition internal combustion engine 4 is delivered to the live axle of lubricating pump 3 through chain 8, thereby drives lubricating pump 3 work, and this driving mode is convenient, simple and direct.The output terminal of lubricating pump 3 connects tee union A9 through lubricating oil pipeline 10; The two ends of tee union A9 are connected with the lubricant oil oil-feed interface A111 of plunger oil coke slurry pump 1, the lubricant oil oil-feed interface B201 of oil coke slurry ejector 2 respectively; Through the lubricant oil of the cleaning behind the filter 5, again in the needle-valve body lubricant reservoir 205 in lubricating pump 3 pumps into plunger oil coke slurry pump 1 inner prop plug sleeve lubricant reservoir 103 and oil coke slurry ejector 2.Enter into the lubricant oil in the plunger oil coke slurry pump 1; Constantly clean friction plunger bushing lubricant reservoir 103 surfaces; Make the small solid particle in the oil coke slurry can not be deposited in plunger bushing 101 and plunger 102 matching gaps, guaranteed that plunger 102 can freely rotatablely move along plunger bushing 101 to-and-fro motion with around self.Enter into the lubricant oil in the oil coke slurry ejector 2, constantly wash needle-valve 204 and needle-valve body 203 fitting surfaces, small solid particle just can not piled up in needle-valve 204 and needle-valve body 203 matching gaps, thereby keep needle-valve 204 motions smooth and easy.The lubricant oil oil out port A112 of plunger oil coke slurry pump 1 respectively is connected with tee union B11 two ends through lubricating oil pipeline 10 with the lubricant oil oil out port B202 of oil coke slurry ejector 2; Tee union B11 the 3rd end is connected with the oil inlet end of lubricant oil storage 6 through lubricating oil pipeline 10; The lubricant oil that has impurity that will clean plunger oil coke slurry pump 1 and oil coke slurry ejector 2 thus is recovered in the lubricant oil storage 6, and whole formation lubricated the clean cycle structure.
Claims (2)
1. compression ignition internal combustion engine is characterized in that: realize through following steps with the lubricated cleaning method of oil coke slurry pump and sparger:
Step 1: start compression ignition internal combustion engine;
Start compression ignition internal combustion engine, make at plunger oil coke slurry pump and oil coke slurry ejector in running orderly, drive lubricating pump simultaneously and start working;
Step 2: lubricated oil filtration;
Lubricant oil in the lubricant oil storage enters into filter, is the clean lubricant oil of free from admixture through filter with the lubrication oil filtration in the lubricant oil storage;
Step 3: the lubricant oil that the free from admixture that obtains in the step 2 is clean enters into lubricating pump, through lubricating pump lubricant oil is pumped in plunger oil coke slurry pump and the oil coke slurry ejector again;
Step 4: clean the friction surface in oil coke slurry pump and the oil coke slurry ejector;
When the plunger oil coke slurry pump proper functioning; Lubricant oil enters into the plunger bushing lubricant reservoir of plunger oil coke slurry pump; The lubricant oil that circulates constantly washes the fitting surface of plunger bushing and plunger, the oil coke that is penetrated into the plunger bushing lubricant reservoir is starched small solid particle take out of;
When the oil coke slurry ejector proper functioning, lubricant oil enters into the needle-valve body lubricant reservoir, and needle-valve and needle-valve body fitting surface constantly are recycled mobile oil flushing, and lubricant oil will flow into oil coke in the needle-valve body lubricant reservoir and starch small solid particle and take out of;
Step 5: the recovery of lubricant oil;
The lubricant oil that contains the small solid particle in the oil coke slurry after cleaning finishes is pumped in the lubricant oil storage through lubricating pump, and circulation carry out step 1～step 4, and plunger oil coke slurry pump and oil coke slurry ejector are repeatedly cleaned.
2. a kind of compression ignition internal combustion engine according to claim 1 is with the lubricated cleaning method of oil coke slurry pump and sparger; It is characterized in that: the power of the crankshaft starting claw place gear of compression ignition internal combustion engine is delivered to the live axle of lubricating pump through chain in the said step 1, thereby drives lubricating pump work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101883884A CN101871391B (en) | 2010-05-31 | 2010-05-31 | Lubrication and cleaning method of oil coke slurry pump and ejector for compression-ignition internal combustion engine, and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101883884A CN101871391B (en) | 2010-05-31 | 2010-05-31 | Lubrication and cleaning method of oil coke slurry pump and ejector for compression-ignition internal combustion engine, and device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101871391A CN101871391A (en) | 2010-10-27 |
| CN101871391B true CN101871391B (en) | 2012-06-06 |
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| CN2010101883884A Expired - Fee Related CN101871391B (en) | 2010-05-31 | 2010-05-31 | Lubrication and cleaning method of oil coke slurry pump and ejector for compression-ignition internal combustion engine, and device thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI503475B (en) * | 2013-01-30 | 2015-10-11 | Sin Syun Jhen | Method for cleaning engine and cleaning apparatus using the same |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR112014016966A8 (en) | 2012-01-10 | 2017-07-04 | Cc Jensen As | Method and system for cleaning degraded oil |
| CN109209710B (en) * | 2018-11-14 | 2024-05-28 | 上海华羿汽车系统集成有限公司 | Plunger oil sprayer and internal combustion engine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4412657A (en) * | 1980-07-18 | 1983-11-01 | Lucas Industries Limited | Fuel injection nozzles |
| US6047671A (en) * | 1995-08-18 | 2000-04-11 | Orbital Engine Company (Australia) Pty Limited | Fuel injection system for internal combustion engines |
| CN201723309U (en) * | 2010-05-31 | 2011-01-26 | 北京航空航天大学 | Lubricating and cleaning device for oil coke slurry pump and injector of compression-ignition internal combustion engine |
-
2010
- 2010-05-31 CN CN2010101883884A patent/CN101871391B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4412657A (en) * | 1980-07-18 | 1983-11-01 | Lucas Industries Limited | Fuel injection nozzles |
| US6047671A (en) * | 1995-08-18 | 2000-04-11 | Orbital Engine Company (Australia) Pty Limited | Fuel injection system for internal combustion engines |
| CN201723309U (en) * | 2010-05-31 | 2011-01-26 | 北京航空航天大学 | Lubricating and cleaning device for oil coke slurry pump and injector of compression-ignition internal combustion engine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI503475B (en) * | 2013-01-30 | 2015-10-11 | Sin Syun Jhen | Method for cleaning engine and cleaning apparatus using the same |
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| CN101871391A (en) | 2010-10-27 |
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