EP0329828A1 - Dispositif d'épuration des gaz d'échappement d'un moteur à combustion interne pendant le fonctionnement - Google Patents

Dispositif d'épuration des gaz d'échappement d'un moteur à combustion interne pendant le fonctionnement Download PDF

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Publication number
EP0329828A1
EP0329828A1 EP88117761A EP88117761A EP0329828A1 EP 0329828 A1 EP0329828 A1 EP 0329828A1 EP 88117761 A EP88117761 A EP 88117761A EP 88117761 A EP88117761 A EP 88117761A EP 0329828 A1 EP0329828 A1 EP 0329828A1
Authority
EP
European Patent Office
Prior art keywords
line
air
combustion engine
water
catalytic element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP88117761A
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German (de)
English (en)
Inventor
Konstantin N. Prof.Dr.-Ing. Pattas
Markou Miltiathis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Miltiathis Markou
Pattas Konstantin N Profdr-Ing
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to IL89405A priority Critical patent/IL89405A0/xx
Priority to AU31886/89A priority patent/AU3188689A/en
Publication of EP0329828A1 publication Critical patent/EP0329828A1/fr
Withdrawn legal-status Critical Current

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    • 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
    • F02M27/00—Apparatus for treating combustion-air, fuel, or fuel-air mixture, by catalysts, electric means, magnetism, rays, sound waves, or the like
    • F02M27/02—Apparatus for treating combustion-air, fuel, or fuel-air mixture, by catalysts, electric means, magnetism, rays, sound waves, or the like by catalysts

Definitions

  • the invention relates to a device for cleaning the exhaust gases of an internal combustion engine in operation with the features of the preamble of claim 1 (US-A-4,341,184).
  • a cerium alloy which is introduced into the combustion chambers of an internal combustion engine during operation, reduces the pollutant emissions, in particular of HC, CO and NO x compounds, as well as fuel consumption and increases the specific output. If the cerium alloy is introduced into the combustion chamber in connection with water, the water splits catalytically into oxygen and hydrogen. The permanent presence of these two elements makes it possible to keep the air ratio during combustion constantly close to the lambda point, as a result of which the positive effects mentioned are achieved.
  • the invention has for its object to provide a device of the type described in such a way that during operation of the internal combustion engine particles of an available alloy which is particularly effective for the purpose of exhaust gas purification can be introduced into the combustion chamber in a simple manner in a hot, oxidizing gas stream.
  • the alloy used according to the invention is commercially available as a so-called “mixed metal” and is therefore available. This alloy has proven to be particularly effective in its effectiveness in exhaust gas cleaning.
  • the US-A-3,717,129 teaches that a mixture of water and fuel is heated in heat exchange with exhaust gas and passed over a catalyst bed containing cerium and then introduced into the combustion chamber. In contrast, contact of the hot gas mixture and the catalytic element with fuel is avoided in the invention.
  • the line communicates with the exhaust gas duct of the internal combustion engine, so that the exhaust gas of the internal combustion engine is driven by the excess pressure in the exhaust gas duct through the catalytic element.
  • the water contained in the hot exhaust gas of the internal combustion engine and the residual oxygen also contained therein are sufficient to achieve the effect described above, in particular when the ambient air is moist.
  • An improved effect in the sense of the invention one achieves an embodiment in which the line is communicated with the ambient air and a water reservoir for moistening it and is heated.
  • the "artificially" heated and humidified air used as gas always provides sufficient oxygen to achieve the desired effect.
  • the hot, moist gas passes the catalytic element containing the alloy body in order to detach from this particle and take it into the combustion chamber.
  • the artificial heating of the ambient air can be brought about in that the line is led through the exhaust duct with at least one loop.
  • the hot exhaust gases pushed out of the combustion chamber heat the ambient air in the line to the desired temperature without the need for a separate heating element.
  • Heating in the heat exchange with a line section of the machine's cooling water circuit located at the cooling water outlet is also advantageous, because heating to the temperature between 80 ° C. and 100 ° C., which is particularly favorable with regard to the catalytic effect, can be achieved here.
  • the ambient air can be introduced into the intake line under pressure by using suction or by using your own or an existing compressed air system (compressed air brake system, compressor, etc.).
  • the device can be used both for Otto engines and for diesel engines.
  • a gasoline or diesel engine 1 has an exhaust duct 2 with a subsequent exhaust pipe 3 and an intake duct 4 with an intake air filter 5.
  • an intake pipe 6 of a line 10 opens into the exhaust pipe 3 for the removal of exhaust gas.
  • the other end of the line 10 opens into the suction channel 4 via the nozzle 11.
  • a catalytic element 7 in the form of a housing is inserted into the line 10, which contains a wire filter 8 and behind it a spring coil 9 made of a rare earth alloy containing cerium.
  • the alloy is commercially available as a so-called mixed metal, which can be composed, for example, as follows: Total rare earth content ... min. 99.0% Fe ... Max. 0.5% Si ... Max. 0.4% Mg ... Max. 0.3% Al ... Max. 0.2% 100% rare earths contain: Ce ... about 50% La ... 20.0-26.0% Nd ... 15.0-19.0% Pr ... 5.0-6.0% other rare earths ... 2.0-5.0%
  • the spiral made of cerium alloy has a mass of about 60 g, which is sufficient for a distance of 100,000 km.
  • the excess pressure in the exhaust pipe drives part of the exhaust gas through the intake pipe 6 and the catalytic element 7 through the line 10 into the intake duct 4.
  • the hot exhaust gas passes the spiral 9 from the cerium alloy tion, whereby the water and the residual oxygen in the exhaust gas oxidize the cerium alloy and take particles of it into the combustion chamber of the engine.
  • the embodiment according to FIG. 2 differs from that according to FIG. 1 mainly in that instead of exhaust gas ambient air is used, which is filtered via an air filter 18 and passed on to a humidification chamber 17, which has a wick 20 with a reservoir 19 for with an antifreeze water 21 is in communication.
  • the humidified air is heated via a line loop 14, 15, 16 laid through the exhaust pipe 3 and then, as described with reference to FIG. This also indicates a throttle device 12 in the flow direction before the line 10 is introduced into the intake duct 4.
  • FIG. 3 An alternative for the moistening device is shown in FIG. 3.
  • the air is moistened instead by a wick in that a dip tube 20 'for the additional air is inserted into the housing 19 to a point below the water level, so that the air rises again in the form of bubbles and via a tube 17' the room above the water level is drained again.
  • the additional air is conveyed by the negative pressure in the intake duct 4.
  • it can also be fed as compressed air into the filter 18, the ambient air being pressurized by a pressure source, such as a compressor or the like.
  • the embodiment according to FIG. 4 differs from that according to FIG. 2 in that the throttle device 12 is followed by a mixture preparation system 13 which, however, lies in the flow direction before the line 10 is introduced into the intake duct 4.
  • a nozzle 22 for generating a negative pressure of the intake air in the flow direction is arranged in front of (FIG. 5) or behind the air filter 5 (FIG. 6) instead of a throttle device.
  • the line 10 opens in both cases at the point of the nozzle 22 where the air speed is greatest and thus the pressure is lowest.
  • the water tank 19 can, for example, have a capacity of approximately 4 liters of water, which in the case of air humidification with wick 20 according to FIG. 2 can be sufficient for approximately 10,000 km of travel and in the case of FIG. 3 for approximately 5,000 km of travel.
  • the device still works when there is no more water in the reservoir 19, but with reduced efficiency, which becomes worse as the humidity decreases.
  • the embodiment according to FIG. 7 differs from that according to FIG. 2 in two respects.
  • the main difference is that the line loop 14, 15, 16 of the line 10 passes through a hose 22 carrying a heated coolant or lubricant instead of through the exhaust pipe 3 (FIG. 2 ) is misplaced. If it is a hose 22 carrying cooling water of the machine, this is arranged in the cooling circuit of the machine according to the diagram in FIG. 8.
  • 23 denotes a thermostat, 24 a cooler and 25 a cooling water pump.
  • the hose 22 leads warm cooling water coming out of the machine, so that the line loop 14, 15, 16 is heated accordingly.
  • the line loop could also be arranged in a similar manner in a lubricating oil circuit.
  • FIG. 7 Another difference of the embodiment of FIG. 7 compared to that of FIG. 2 is that the space 17 'above the water level 21' of the reservoir 19 is connected to the humidification chamber 17, so that a larger humidification chamber is formed overall.
  • the air line 18 coming from the air filter 18 ' opens directly into the room 17 ⁇ .
  • water another oxidizing liquid or a liquid mixture can also be used.
  • an acid, vinegar or alcohol can be used alone or mixed with water.
  • a mixture of 96 water parts and 4 methanol parts or a mixture of 90 water parts and 10 alcohol parts is suitable.

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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)
  • Exhaust Gas After Treatment (AREA)
  • Catalysts (AREA)
EP88117761A 1988-02-26 1988-10-25 Dispositif d'épuration des gaz d'échappement d'un moteur à combustion interne pendant le fonctionnement Withdrawn EP0329828A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IL89405A IL89405A0 (en) 1988-02-26 1989-02-24 Device for cleaning the exhaust gases of a combustion engine in operation
AU31886/89A AU3188689A (en) 1988-02-26 1989-02-24 Installation for purifying the exhaust fumes of an internal combustion engine in operation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3806220A DE3806220C1 (fr) 1988-02-26 1988-02-26
DE3806220 1988-02-26

Publications (1)

Publication Number Publication Date
EP0329828A1 true EP0329828A1 (fr) 1989-08-30

Family

ID=6348312

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88117761A Withdrawn EP0329828A1 (fr) 1988-02-26 1988-10-25 Dispositif d'épuration des gaz d'échappement d'un moteur à combustion interne pendant le fonctionnement

Country Status (4)

Country Link
US (1) US4991395A (fr)
EP (1) EP0329828A1 (fr)
DE (1) DE3806220C1 (fr)
WO (1) WO1989008185A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0461347A1 (fr) * 1990-06-12 1991-12-18 Miltiathis Markou Dispositif pour l'introduction d'une petite quantité d'un mélange ou d'un composé contenant terres rares dans une chambre de combustion
TR26566A (tr) * 1991-07-02 1995-03-15 Miltiathis Markou ICTEN YANMALI BIR MOTORDA,YANMA VERIMINI IYILES- TIRMEK ICIN BIR YÖNTEM VE DüZENEK.
WO2012093207A1 (fr) * 2011-01-04 2012-07-12 Jose Buendia Création chimique d'hydrogène et suppression de pollution

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3926817A1 (de) * 1989-08-14 1991-02-21 Miltiathis Markou Schmiermittel fuer eine brennkraftmaschine
US5121713A (en) * 1991-11-29 1992-06-16 Peterson Elmo M Ecological economizer
US5397550A (en) * 1994-02-14 1995-03-14 Marino, Jr.; Robert R. Catalytic converter and cleaning system
US5694908A (en) * 1996-05-08 1997-12-09 Hsu; Chih-Cheng Auxiliary water-supply sytem for an internal combustion engine
US7723257B2 (en) * 2001-10-10 2010-05-25 Dominique Bosteels Process for the catalytic control of radial reaction
WO2003031030A2 (fr) * 2001-10-10 2003-04-17 Dominique Bosteels Procede de combustion
US7482303B2 (en) * 2001-10-10 2009-01-27 Dominique Bosteels Catalytic burning reaction
EP1590555B1 (fr) 2002-10-10 2010-12-08 Dominique Bosteels Procede de combustion
CA2628961A1 (fr) * 2004-11-08 2006-05-18 Emissions Technology, Inc. Dispositif d'apport d'aerosol en micro-rafale de catalyseur de combustion et dispositif d'apport d'aerosol continue et stable
US20060225672A1 (en) * 2005-04-08 2006-10-12 Harvey Donahue Vapor injection system for an internal combustion engine
US8997505B2 (en) 2012-08-16 2015-04-07 Ford Global Technologies, Llc Motor vehicle climate control system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1966345A (en) * 1933-06-09 1934-07-10 Harry Schiff Hydrogen generator for internal combustion engines
FR2292118A1 (fr) * 1974-11-19 1976-06-18 Manassa Ets Procede et dispositif pour eviter la pollution de l'atmosphere par des gaz nocifs
FR2316546A1 (fr) * 1975-07-04 1977-01-28 Devey Serge Procede et dispositif pour ameliorer la combustion d'un combustible
DE3048540A1 (de) * 1980-12-22 1982-07-22 Adam Opel AG, 6090 Rüsselsheim Verfahren und vorrichtung zur verringerung der emission schaedlicher bestandteile im abgas eines verbrennungsmotors
GB2193760A (en) * 1986-08-13 1988-02-17 Roger Volcher Steam addition and catalytic treatment of charges for combustion

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Publication number Priority date Publication date Assignee Title
BE588969A (fr) * 1959-03-26
GB1340073A (en) * 1970-01-09 1973-12-05 Bun C C Induction systems for internal combustion engines
US4341184A (en) * 1974-11-19 1982-07-27 Maria Temmerman Method and device avoiding the pollution of the atmosphere by noxious gases
US4003969A (en) * 1975-08-07 1977-01-18 Robinson William C Carburetor system for internal combustion engine
DE2932603A1 (de) * 1979-08-10 1981-02-26 Theodor Prof Dr Ing Rummel Verfahren bzw. einrichtung zur verbesserung der verbrennung in verbrennungskraftmaschinen
NL8105682A (nl) * 1981-12-17 1983-07-18 Bernardus Van Brakel Inrichting voor het toevoeren van stoom aan het inlaatsysteem van een verbrandingsmotor.
US4802335A (en) * 1982-07-29 1989-02-07 Stephen Masiuk Method of and apparatus for improving the efficiency of internal combustion engines
US4594991A (en) * 1983-10-06 1986-06-17 Richard Harvey Fuel and water vaporizer for internal combustion engines

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1966345A (en) * 1933-06-09 1934-07-10 Harry Schiff Hydrogen generator for internal combustion engines
FR2292118A1 (fr) * 1974-11-19 1976-06-18 Manassa Ets Procede et dispositif pour eviter la pollution de l'atmosphere par des gaz nocifs
FR2316546A1 (fr) * 1975-07-04 1977-01-28 Devey Serge Procede et dispositif pour ameliorer la combustion d'un combustible
DE3048540A1 (de) * 1980-12-22 1982-07-22 Adam Opel AG, 6090 Rüsselsheim Verfahren und vorrichtung zur verringerung der emission schaedlicher bestandteile im abgas eines verbrennungsmotors
GB2193760A (en) * 1986-08-13 1988-02-17 Roger Volcher Steam addition and catalytic treatment of charges for combustion

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
REVUE AUTOMOBILE, Band 75, 29. Januar 1981, Seite 9, Bern, CH; "Genève: nouveau catalyseur" *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0461347A1 (fr) * 1990-06-12 1991-12-18 Miltiathis Markou Dispositif pour l'introduction d'une petite quantité d'un mélange ou d'un composé contenant terres rares dans une chambre de combustion
WO1991019896A1 (fr) * 1990-06-12 1991-12-26 Miltiathis Markou Dispositif d'insertion de particules de terres rares dans une chambre de combustion
TR26566A (tr) * 1991-07-02 1995-03-15 Miltiathis Markou ICTEN YANMALI BIR MOTORDA,YANMA VERIMINI IYILES- TIRMEK ICIN BIR YÖNTEM VE DüZENEK.
WO2012093207A1 (fr) * 2011-01-04 2012-07-12 Jose Buendia Création chimique d'hydrogène et suppression de pollution

Also Published As

Publication number Publication date
WO1989008185A1 (fr) 1989-09-08
DE3806220C1 (fr) 1989-09-07
US4991395A (en) 1991-02-12

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