CN106907271A - It is a kind of to reclaim the device that exhaust pipe of engine waste heat improves engine synthesis oil consumption utilization rate - Google Patents
It is a kind of to reclaim the device that exhaust pipe of engine waste heat improves engine synthesis oil consumption utilization rate Download PDFInfo
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- CN106907271A CN106907271A CN201710200333.2A CN201710200333A CN106907271A CN 106907271 A CN106907271 A CN 106907271A CN 201710200333 A CN201710200333 A CN 201710200333A CN 106907271 A CN106907271 A CN 106907271A
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- Prior art keywords
- engine
- evaporator
- ethanol
- utilization rate
- oil consumption
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G5/00—Profiting from waste heat of combustion engines, not otherwise provided for
- F02G5/02—Profiting from waste heat of exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2882—Catalytic reactors combined or associated with other devices, e.g. exhaust silencers or other exhaust purification devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/16—Other apparatus for heating fuel
- F02M31/18—Other apparatus for heating fuel to vaporise fuel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The present invention provides a kind of device for reclaiming exhaust pipe of engine waste heat raising engine synthesis oil consumption utilization rate, including ethanol feedway A, alcohol catalysis device B and ethene feedway C；Ethanol feedway A includes ethanol case, connecting tube, liquid pump and overflow valve；Alcohol catalysis device B includes evaporator, accumulator, connecting tube, air pump, catalyst converter and exhaust manifold；Ethene feedway C includes connecting tube, discharging valve, separator, inlet manifold and engine.The air inlet of the vaporization chamber of evaporator, air pump, the catalytic chamber of catalyst converter, separator, inlet manifold and engine is sequentially connected in series；Accumulator is parallel between evaporator and air pump；The gas outlet of engine, exhaust manifold, the flue gas leading of catalyst converter, the three-element catalytic room of evaporator are sequentially connected in series.The present invention is by the energy recovery of engine discharge waste gas and re-uses, while for engine provides double fuel, the discharge of pollutant is also reduced while having saved the energy.
Description
Technical field
The invention belongs to the technical field of automotive energy-saving emission-reducing, particularly engine tail gas waste-heat is reuptaked, is converted,
A kind of recovery exhaust pipe of engine waste heat for recycling improves the device of engine synthesis oil consumption utilization rate.
Background technology
It is one of method of China or even world's energy-saving and emission-reduction to widely use ethanol petrol, and ethanol petrol is one kind by grain
And the alcohol fuel that is processed into of various strings and regular gasoline mix the new alternative energy source of formation by a certain percentage.According to
The national standard of China, ethanol petrol is that the alcohol fuel mediation with 90% regular gasoline with 10% is formed.Use ethanol vapor
Oil can save petroleum resources, reduce pollution of the vehicle exhaust to air, may additionally facilitate the production of agricultural.But ethanol petrol is present
The shortcoming that cannot be overcome at present, first, user most intuitively feels that it declines automobile power, not as regular gasoline so
Powerful, on the contrary oil consumption increases, and being also easy to vapour lock during day heat stops working.Will be layered once meeting water additionally, due to ethanol petrol,
Cannot there was only 4-5 days using the very low pipeline of cost, ethanol petrol accumulating cycle, this influence uses the side of ethanol petrol
Just property.Using the accumulating amount on the instruction carriage intake valve of ethanol petrol than being averagely higher by 33% using the car of 93# unleaded gases.
This is increased because the unstability of alcohol fuel causes deposit in engine fuel gas handling system, atomizer is atomized not
Well, ethanol petrol efficiency of combustion is caused to decline, fuel consumption increases.
The method mainly generation technology for being recycled again to residual heat of tail gas of automobile at present, most common mode is the temperature difference
Generate electricity, because the heat utilization efficiency of thermo-electric generation sheet is less than 5% so that heat energy is converted into the extremely inefficient of electric energy, worse
The voltage that thermo-electric generation is sent vary with temperature it is larger, technical requirements in electrical power storage to battery are high and less efficient.
Fantasy also in some patents is the generating skill that residual heat of tail gas of automobile is applied to after thermal power generation system is minimized
Among art, first, the gross efficiency in ultra-large type thermal power plant is no more than 40%, actual thermal transition efficiency in this way can think
And know.
The content of the invention
The purpose of the present invention is directed to above mentioned problem and provides a kind of recovery of device for improving engine synthesis oil consumption utilization rate
Exhaust pipe of engine waste heat improves the device of engine synthesis oil consumption utilization rate, and the device can be carried out to engine tail gas waste-heat
Reuptake, convert, recycle, while for engine provides double fuel, tail gas can be greatly lowered while energy saving
The discharge of pollutant.
The technical scheme is that：Improve a kind of recovery exhaust pipe of engine of device of engine synthesis oil consumption utilization rate
Waste heat improves the device of engine synthesis oil consumption utilization rate, including ethanol feedway A, alcohol catalysis device B and ethene supply
Device C；
The ethanol feedway A includes ethanol case and liquid pump；The alcohol catalysis device B include evaporator, accumulator,
Air pump, catalyst converter and exhaust manifold；The ethene feedway C includes discharging valve, separator, inlet manifold and engine；
The catalyst converter includes flue gas leading and catalytic chamber；The evaporator includes three-element catalytic room and vaporization chamber；
The liquid pump is arranged in the connecting tube between evaporator and ethanol case；The vaporization chamber of the evaporator, air pump, urge
The air inlet for changing catalytic chamber, separator, inlet manifold and the engine of device is sequentially connected in series；The accumulator is parallel to evaporation
Between device and air pump；The discharging valve is connected to separator bottom；The gas outlet of the engine, exhaust manifold, catalyst converter
Flue gas leading, the three-element catalytic room of evaporator are sequentially connected in series.
In such scheme, the catalyst converter for annular, centre for flue gas leading, it is cylindrical be catalytic chamber, flue gas leading and catalytic chamber
It is completely separated；
One end of the catalytic chamber is provided with ethanol air inlet, and the other end is provided with ethene gas outlet and two ends and is equipped with catalysis
Agent import, molecular sieve is covered tightly after loading from the catalyst inlet at two ends by cover plate for sealing.
In such scheme, the catalyst converter also includes deflector, and the deflector is arranged in catalytic chamber.
In such scheme, the molecular sieve is HZSM-5 molecular sieves, beta molecular sieves, ZSM-35 molecular sieve or 3A/4A/5A
Any one in molecular sieve.
In such scheme, the molecular sieve is HZSM-5 molecular sieves.
In such scheme, the evaporator includes ternary catalyzing unit and vaporization chamber；
Three-element catalytic room is provided with the ternary catalyzing unit, three-element catalytic room is completely separated with vaporization chamber, the evaporation
One end of room is provided with inlet, and the other end is provided with gas outlet.
In such scheme, also including overflow valve；The overflow valve is parallel between evaporator and ethanol case.
In such scheme, the separator bottom is provided with discharging valve.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, the present invention uses above technical scheme, and the exhaust thermic load of engine can be greatly lowered, significantly extension row
The service life of gas manifold, while exhaust noise can also be reduced effectively, improves riding comfort.
2nd, the present invention uses the second passed through the ethanol of low heat value and high heating value is converted into after heat absorption, catalysis, dehydration
Alkene, and the ethene of preparation participated in into the combustion system of engine, the scheme separately carried using ethanol and gasoline can
Effectively solve the problems, such as that ethanol petrol storage cycle is short, oil supply system is strict；Due to ethanol is not participated directly in into burning system
In system, therefore be not in ethanol atomizing difference and the problem for blocking pipeline；The equivalent calorific value of ethene is suitable with gasoline heat value, will not
Occur to the phenomenon for like that declining engine power using ethanol petrol.
3rd, the present invention uses the heat of reaction needed for providing catalytic dehydration of ethanol from exhaust heat, can significantly carry
The integrated heat efficiency of engine high, waste heat from tail gas is directly stored among the chemical energy of ethene, is eliminated heat energy and is converted into electricity
The middle poor efficiency link of energy or other kinetic energy, greatly improves the efficiency that energy regenerating is utilized.
4th, the catalyst converter of this programme can also be made of one with exhaust manifold, and catalytic dehydration of ethanol reaction is the endothermic reaction,
Cooling system is equipped with equivalent to exhaust manifold, then exhaust manifold can use thin-walled design, have one to automotive light weight technology
Fixed contribution.
Brief description of the drawings
Fig. 1：It is the integral arrangement figure of an embodiment of the present invention；
Fig. 2：It is the evaporator positive structure schematic of an embodiment of the present invention；
Fig. 3：It is Fig. 2A-A sectional views；
Fig. 4：It is the evaporator side structural scheme of mechanism of an embodiment of the present invention；
Fig. 5：It is the catalyst converter structural representation of an embodiment of the present invention；
Fig. 6：It is Fig. 5 B-B sectional views；
Fig. 7：It is Fig. 5 D-D sectional views；
Fig. 8：It is the catalyst converter assembling front elevation of an embodiment of the present invention；
Fig. 9：It is the catalyst converter assembling side view of an embodiment of the present invention；
Figure 10：It is the catalyst converter assembling explosive view of an embodiment of the present invention.
In figure：1st, engine；2nd, inlet manifold；3rd, separator；4th, discharging valve；5th, exhaust manifold；6th, catalyst converter；601st, give up
Tracheae；6011st, discharge chamber；602nd, ethanol air inlet；603rd, ethene gas outlet；604th, deflector；605th, screwed hole；606th, it is catalyzed
Chamber；607th, catalyst inlet；608th, molecular sieve；609th, screw；610th, cover plate；611st, gasket seal；7th, air pump；8th, accumulator；
9th, evaporator；901st, inlet；902nd, ternary catalyzing unit；903rd, gas outlet；904th, three-element catalytic room；905th, vaporization chamber；10th, overflow
Stream valve；11st, liquid pump；12nd, ethanol case.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description, but protection scope of the present invention
It is not limited to this.
Fig. 1 show the device that recovery exhaust pipe of engine waste heat of the present invention improves engine synthesis oil consumption utilization rate
A kind of implementation method, existing automotive engineering, 1 of automobile engine normal table work after, the temperature of exhaust manifold 5 is 600
More than DEG C, and evaporator 9 temperature of the present invention with ternary catalyzing unit is more than 300 DEG C.The device is used more than engine exhaust
Heat makes preparing ethylene by dehydrating ethanol, then ethene participated in into combustion system.The recovery exhaust pipe of engine waste heat is improved
The device of engine synthesis oil consumption utilization rate, including ethanol feedway A, alcohol catalysis device B and ethene feedway C.
The ethanol feedway A includes ethanol case 12, liquid pump 11 and overflow valve 10；The liquid pump 11 is arranged on evaporator
In connecting tube between 9 and ethanol case 12；The overflow valve 10 is parallel between evaporator 9 and ethanol case 12.
The alcohol catalysis device B includes evaporator 9, accumulator 8, air pump 7, catalyst converter 6 and exhaust manifold 5.
As shown in Fig. 2,3 and 4, the evaporator 9 includes ternary catalyzing unit 902 and vaporization chamber 905；The ternary catalyzing unit
Three-element catalytic room 904 is provided with 902, three-element catalytic room 904 is completely separated with vaporization chamber 905, one end of the vaporization chamber 905
Inlet 901 is provided with, the other end is provided with gas outlet 903.
As shown in Fig. 5,6 and 7, the catalyst converter 6 for annular, centre for flue gas leading 601, it is cylindrical be catalytic chamber 606, waste gas
Pipe 601 and catalytic chamber 606 are completely separated；One end of the catalytic chamber 606 is provided with ethanol air inlet 602, and the other end is provided with ethene
Gas outlet 603 and two ends are equipped with catalyst inlet 607, molecular sieve 608 from the catalyst inlet 607 at two ends load after successively
Catalyst converter import is sealed up together by gasket seal 611 and cover plate 610, screw 609 of finally screwing on, such as the institute of Fig. 8,9 and 10
Show.The catalyst converter 6 also includes deflector 604, and the deflector 604 is arranged in catalytic chamber 606, and alcohol vapour is in deflector
Under 604 guiding, the S-type advance in 600 DEG C or so of catalyst converter 6 allows ethanol to have longer travel distance, has with catalyst
Longer time of contact, it is catalyzed more abundant.
The molecular sieve 608 is in HZSM-5 molecular sieves, beta molecular sieves, ZSM-35 molecular sieve or 3A/4A/5A molecular sieves
Any one.Preferably, the molecular sieve 608 is HZSM-5 molecular sieves.
The ethene feedway C includes discharging valve 4, separator 3, inlet manifold 2 and engine 1.The bottom of the separator 3
Portion is provided with discharging valve 4.
The vaporization chamber 905 of the evaporator 9, air pump 7, the catalytic chamber 606 of catalyst converter 6, separator 3, inlet manifold 2 and hair
The air inlet of motivation 1 is sequentially connected in series；The accumulator 8 is parallel between evaporator 9 and air pump 7；The discharging valve 4 is connected
In the bottom of separator 3；The gas outlet of the engine 1, exhaust manifold 5, the flue gas leading 601 of catalyst converter 6, the ternary of evaporator 9
Catalyst chamber 904 is sequentially connected in series.Wherein, the discharging valve 4, air pump 7 and liquid pump 11 are electronic control device.
Whole ethylene catalyst system is needed to do heat-insulation and heat-preservation, and last layer heat insulating coat is applied on surface..
The course of work of the invention is：
After the work of the normal table of engine 1, liquid pump 11 extracts a certain amount of liquid ethanol from entering from ethanol case 12
Liquid mouthful 901 enters vaporization chamber 905, and liquid ethanol is changed into alcohol vapour at 300 DEG C and enters pipeline and accumulator from gas outlet 903
8, air pump 7 evenly pumps into appropriate alcohol vapor and is entered into catalytic chamber 606 to from the ethanol air inlet 602 of catalyst converter 6, second
Alcohol steam under the guiding of deflector 604, the S-type advance in 600 DEG C or so of catalyst converter 6, and by catalyst HZSM-5 point
Then son 608 catalytic dehydrations of sieve derive from ethene gas outlet 603 and import separator 3 through piping, because ethene is insoluble into ethene
Yu Shui, is passed through ethene successively gas washing, drying to inlet manifold 2 and by conduit in separator, will during 1 air inlet of engine
Ethene mixing air is sucked in cylinder together, and engine 1 completes to discharge high-temp waste gas from exhaust manifold 5 after burning, high temperature
Waste gas enters in the three-element catalytic room 904 of ternary catalyzing unit 902, and pernicious gas is become into innocuous gas, enables vehicle exhaust
Purification.By high-temp waste gas for ethanol evaporating and catalytic dehydration provides endlessly heat.Hair is reached by this set of device
Motivation energy-saving and emission-reduction, reduction noise benefit.
It should be understood that, although this specification is described according to each embodiment, but not each embodiment only includes one
Individual independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art will should say
Used as an entirety, technical scheme in each embodiment can also be through appropriately combined, and forming those skilled in the art can be with for bright book
The other embodiment of understanding.
Those listed above is a series of to describe illustrating only for possible embodiments of the invention in detail,
They simultaneously are not used to limit the scope of the invention, all Equivalent embodiments made without departing from skill spirit of the present invention or change
Should be included within the scope of the present invention.
Claims (8)
1. it is a kind of to reclaim the device that exhaust pipe of engine waste heat improves engine synthesis oil consumption utilization rate, it is characterised in that including
Ethanol feedway A, alcohol catalysis device B and ethene feedway C；
The ethanol feedway A includes ethanol case (12) and liquid pump (11)；The alcohol catalysis device B include evaporator (9),
Accumulator (8), air pump (7), catalyst converter (6) and exhaust manifold (5)；The ethene feedway C includes discharging valve (4), separates
Device (3), inlet manifold (2) and engine (1)；
The catalyst converter (6) includes flue gas leading (601) and catalytic chamber (606)；The evaporator (9) includes three-element catalytic room
And vaporization chamber (905) (904)；
The liquid pump (11) is in the connecting tube between evaporator (9) and ethanol case (12)；The evaporation of the evaporator (9)
The air inlet of room (905), air pump (7), the catalytic chamber (606) of catalyst converter (6), separator (3), inlet manifold (2) and engine (1)
Mouth is sequentially connected in series；The accumulator (8) is parallel between evaporator (9) and air pump (7)；The discharging valve (4) is connected to
Separator (3) bottom；The gas outlet of the engine (1), exhaust manifold (5), the flue gas leading (601) of catalyst converter (6), evaporator
(9) three-element catalytic room (904) is sequentially connected in series.
It is 2. according to claim 1 to reclaim the device that exhaust pipe of engine waste heat improves engine synthesis oil consumption utilization rate,
Characterized in that, the catalyst converter (6) is annular, centre is flue gas leading (601), it is cylindrical be catalytic chamber (606), flue gas leading
And catalytic chamber (606) is completely separated (601)；
One end of the catalytic chamber (606) is provided with ethanol air inlet (602), and the other end is provided with ethene gas outlet (603) and two ends
Catalyst inlet (607) is equipped with, it is close that molecular sieve (608) passes through cover plate (610) after loading from the catalyst inlet (607) at two ends
Capping is tight.
It is 3. according to claim 2 to reclaim the device that exhaust pipe of engine waste heat improves engine synthesis oil consumption utilization rate,
Characterized in that, the catalyst converter (6) also includes deflector (604), the deflector (604) is in catalytic chamber (606).
It is 4. according to claim 2 to reclaim the device that exhaust pipe of engine waste heat improves engine synthesis oil consumption utilization rate,
Characterized in that, the molecular sieve (608) be HZSM-5 molecular sieves, beta molecular sieves, ZSM-35 molecular sieve or 3A/4A/5A point
Son sieve in any one.
It is 5. according to claim 4 to reclaim the device that exhaust pipe of engine waste heat improves engine synthesis oil consumption utilization rate,
Characterized in that, the molecular sieve (608) is HZSM-5 molecular sieves.
It is 6. according to claim 1 to reclaim the device that exhaust pipe of engine waste heat improves engine synthesis oil consumption utilization rate,
Characterized in that, the evaporator (9) includes ternary catalyzing unit (902) and vaporization chamber (905)；
Three-element catalytic room (904) is provided with the ternary catalyzing unit (902), three-element catalytic room (904) are complete with vaporization chamber (905)
Separate, one end of the vaporization chamber (905) is provided with inlet (901), and the other end is provided with gas outlet (903).
It is 7. according to claim 1 to reclaim the device that exhaust pipe of engine waste heat improves engine synthesis oil consumption utilization rate,
Characterized in that, also including overflow valve (10)；The overflow valve (10) is parallel between evaporator (9) and ethanol case (12).
It is 8. according to claim 1 to reclaim the device that exhaust pipe of engine waste heat improves engine synthesis oil consumption utilization rate,
Characterized in that, separator (3) bottom is provided with discharging valve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710200333.2A CN106907271A (en) | 2017-03-30 | 2017-03-30 | It is a kind of to reclaim the device that exhaust pipe of engine waste heat improves engine synthesis oil consumption utilization rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710200333.2A CN106907271A (en) | 2017-03-30 | 2017-03-30 | It is a kind of to reclaim the device that exhaust pipe of engine waste heat improves engine synthesis oil consumption utilization rate |
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| Publication Number | Publication Date |
|---|---|
| CN106907271A true CN106907271A (en) | 2017-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710200333.2A Pending CN106907271A (en) | 2017-03-30 | 2017-03-30 | It is a kind of to reclaim the device that exhaust pipe of engine waste heat improves engine synthesis oil consumption utilization rate |
Country Status (1)
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| CN (1) | CN106907271A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5575491A (en) * | 1978-12-04 | 1980-06-06 | Hiromi Ikeda | Producing liquid fuel for power source by subjecting alcohol to chemical change |
| US4475484A (en) * | 1981-02-27 | 1984-10-09 | Filho Antonio V | Exhaust manifold for an internal combustion engine, apparatus for the catalytic transformation of fuel and improved internal combustion engine |
| CN1252490A (en) * | 1998-10-23 | 2000-05-10 | 梅塞尔·格里斯海姆有限公司 | Ethylene use and method for driving IC engine |
-
2017
- 2017-03-30 CN CN201710200333.2A patent/CN106907271A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5575491A (en) * | 1978-12-04 | 1980-06-06 | Hiromi Ikeda | Producing liquid fuel for power source by subjecting alcohol to chemical change |
| US4475484A (en) * | 1981-02-27 | 1984-10-09 | Filho Antonio V | Exhaust manifold for an internal combustion engine, apparatus for the catalytic transformation of fuel and improved internal combustion engine |
| CN1252490A (en) * | 1998-10-23 | 2000-05-10 | 梅塞尔·格里斯海姆有限公司 | Ethylene use and method for driving IC engine |
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Application publication date: 20170630 |
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