DE4115727A1 - IC engine uses hydrogen generated electrolytically in operating space - to increase efficiency and reduce waste and emission - Google Patents

IC engine uses hydrogen generated electrolytically in operating space - to increase efficiency and reduce waste and emission

Info

Publication number
DE4115727A1
DE4115727A1 DE19914115727 DE4115727A DE4115727A1 DE 4115727 A1 DE4115727 A1 DE 4115727A1 DE 19914115727 DE19914115727 DE 19914115727 DE 4115727 A DE4115727 A DE 4115727A DE 4115727 A1 DE4115727 A1 DE 4115727A1
Authority
DE
Germany
Prior art keywords
combustion
stroke
engine
characterized
water
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Withdrawn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
DE19914115727
Other languages
German (de)
Inventor
Michal Machura
Kazimierz Adamek
Original Assignee
Michal Machura
Kazimierz Adamek
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
Priority to DE4020824 priority Critical
Application filed by Michal Machura, Kazimierz Adamek filed Critical Michal Machura
Priority to DE19914115727 priority patent/DE4115727A1/en
Publication of DE4115727A1 publication Critical patent/DE4115727A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B43/00Engines characterised by operating on gaseous fuels; Plants including such engines
    • F02B43/10Engines or plants characterised by use of other specific gases, e.g. acetylene, oxyhydrogen
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B43/00Engines characterised by operating on gaseous fuels; Plants including such engines
    • F02B43/10Engines or plants characterised by use of other specific gases, e.g. acetylene, oxyhydrogen
    • F02B2043/106Hydrogen obtained by electrolysis
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/30Use of alternative fuels
    • Y02T10/32Gaseous fuels

Abstract

In driving an engine by combustion of H2, the novelty is that the H2 and O2 for combustion are produced in the operating space of the engine of electrolytic dissociation of water. Pref. dissociation is accelerated by adding an alkali cpd.. The engine is a piston engine and the electrolyser is placed in the walls of the combustion chamber. In particular, an 8-stroke engine is used. At the start of the stroke, water, opt. with catalyst, is sucked in or injected. Strokes 2,4 and 6 comprise compression, strokes 3, 5 and 7 expansion to convert the combustion to mechanical work and stroke 8 exhaustion of the combustion gases. Electrolysis starts immediately after intake or injection of water at the start of stroke 1 and continues up to the start of stroke 7. Combustion may be triggered by external ignition or autoignition. USE/ADVANTAGE - The technique reduces waste and is efficient since it eliminates the need to remove the combustion prods. after each combustion, which wastes hot and partly oxidised prods.. It can be used in 2- or 4-stroke or rotary engines or even cycles with more than one working stroke, e.g. an 8-stroke cycle with 3 working strokes or a 16-stroke cycle with 7 working strokes. Emissions are very slight, with only small amts. of NOx. CO and CO2 are emitted only to the extent that they are present in the air used for combustion.

Description

The invention relates to a method for driving a motor by burning hydrogen and an engine for use this procedure.

Processes and motors working according to them are known which the hydrogen used for combustion generates externally and with the air containing combustion oxygen in the ares beitsraum the engine is introduced.

These have the disadvantage that the Ar beitsraum must be emptied of the combustion products and which is in the air in addition to the combustion oxygen components are heated and partially oxidized, what the energy conversion efficiency and environmental impact negatively influenced.

The invention has for its object the proportion of not Components of the engine filling required for combustion to reduce and requirements for increasing efficiency create.

This object is achieved in that the Combustion requires water and oxygen in the work area of the engine generated by electrolytic dissociation of water becomes.  

The addition of the dissociation is advantageously accelerated th catalysts. The arrangement of the electrolytes is expedient device in the walls of the combustion chamber and Design of the motor for cycles with more than one ar beitstakt, for example for 8 clock cycles with 3 work clock ten, both with external and with auto ignition.

Another advantage of the invention is that the for the production of the actual fuel components are not flammable and thus the Increase application security. The risk of freezing when temperatures drop, heating the front storage container and the supply lines either by waste heat, such as Return of the combustion products, or by external heating be met.

To arrange the electrolysis device, for. B. of cathodes and anodes with relatively short distances can be in the wall towards the combustion chamber, i.e. the volume between the Pistons at top dead center and cylinder head Z take place. Here stand for this combustion chamber in whole or in part enveloping walls available, provided that they are not through other devices such as igniter or inlet and outlet valves are occupied. The electrode arrangement forms an en ges gap system in these surfaces, whereby because of the diff sions behavior of the gas molecules the gaps not too deep may be. In this arrangement there is an electrolysis process to be expected from the so-called electrolyte circulation is advantageous because the resulting gas bubbles the diameter not the columns related to ion transport significantly reduce.

To optimize combustion, oxygen should be in one An beyond the stoichiometric ratio  part of it. This excess of oxygen is caused by Atmospheric oxygen is provided and should be between 1.14 upper limit and 9.85 as lower limit. The Ignition limits for spark ignition are with the excess air Ko determined efficiently in a known manner.

In principle, the method according to the invention can be applied to all Known internal combustion engine principles are applied, for. B. on reciprocating engines after both the two-stroke and after the four-stroke principle, on rotary piston engines or rotary pistons benmotoren. The invention also allows for reciprocating engines Cycles with more than one work cycle, e.g. B. an eight-stroke Cycle with three work cycles or a 16 cycle with seven work cycles.

The invention is illustrated below using an exemplary embodiment in Form of an eight-stroke reciprocating piston engine using spark ignition the accompanying drawing explained.

The drawing shows:

Fig. 1 shows schematically the cycle of an eight-stroke engine,

Fig. 2 is a block diagram of an eight-stroke hydrogen piston engine with spark ignition.

In Fig. 1, the cycle of an 8-stroke reciprocating engine is shown schematically. The entire cylinder volume above the piston in its lowest position (bottom dead center U) is the working space of cylinder a, the cylinder volume above top dead center O of the piston is the combustion chamber V. The electrolysis device E (indicated only schematically in the piston here) is indicated by in Narrow gaps on the respective wall surfaces arranged positive electrodes f and negative electrodes g are formed. The marking of the piston h in two fields, separated into positive and negative electrodes, is only intended to indicate symbolically that both types of electrodes each form half the electrolysis devices E, which are located on all surfaces surrounding the combustion chamber.

Fig. 2 shows a block diagram of the embodiment of an 8-stroke hydrogen-piston engine with spark ignition. Instead of the other payloads shown here for the power generator assigned to the motor, electrical energy can also be supplied directly from outside. The proportion of the torque of the motor for mechanical drive work on the one and drive of the current generator assigned to the motor and possibly other devices in the motor periphery is divided depending on the circumstances of the individual case. Since in the described method or the engine using this method, distilled water, optionally with catalyst added, is brought into the work area where it is electrolytically dissociated, hydrogen and oxygen are produced for combustion in a stoichiometric ratio.

To optimize combustion, shortly before the first ignition one cycle of air is injected into the work area and so in Excess oxygen (excess air) set as for the optimization of the respective ignition conditions required is. This way it is compared to conventional Hydrogen engines with the supply of externally manufactured products Oxygen and atmospheric oxygen for the combustion of the proportion of other air stock not participating in the combustion parts significantly reduced. The advantage is that this Ballast volume does not have to be heated and also not oxidized during combustion or forms other compounds, which is overall positive on the energy conversion impact degree as well as the formation of harmful, environmentally harmful Components.  

Since water forms when the hydrogen is burned, that with the continuously continuous electrolytic Dissociation is again dissociated into fuel created the possibility of the procedure or the afterwards working engines with cycles that more than allow one cycle per cycle, in the exemplary embodiment in an 8-stroke cycle, three work cycles. This cycle does not need to be interrupted until this occurs the remaining ballast content to one of the further fort have concentrated in the course of the proceedings.

The electrolysis device E is in the surfaces of the walls arranged against the combustion chamber V. It is formed by Cathodes, d. H. negative electrodes, and anodes, i.e. H. positive Electrodes arranged at small distances from each other are and form a narrow column system. Because of the diffusion behavior of hydrogen molecules in the medium of water the column depth should not be too large. The course of electrolysis is advantageous in the so-called electrolyte circulation, because the resulting gas bubbles have the diameter of the gaps the electrodes do not significantly reduce what happens to the ions transport is connected. The catalyst added in the water in the exemplary embodiment potassium hydroxide (KOH), accelerates the Electrolysis process. There may be other alkaline compounds be used as a catalyst, the use formation of acidic alkaline compounds whose influence on the Engine and the environment must be taken into account.

The electrolysis device is on all combustion chamber upper Arranged areas that are not used by other units, e.g. B. the inlet and outlet valves b, e of the ignition device c and the air injection d are occupied. The remaining areas of the Ar beitsraumes A remain free of electrolysis devices E to the prerequisite for effective sealing and lubrication of the Do not disturb piston-cylinder system.  

The use of water and optionally a catalyst tors as "starting fuel" brings because of their non-ent ignitability advantages in the safety of the application. The risk of freezing at falling temperatures can can be countered by the fact that the water reservoir through Return of the "blow-out water" or by other waste heat or external heating is warmed up.

Due to the temperature rise due to the combustion, this becomes Undissociated water in the work area depending on the ver existing pressure in the cylinder at least partially steams, but this has no significant influence on the elec trolysis process.

The electrolysis process is started immediately after the Water started and continuous at the beginning of the first bar continued until shortly after the last ignition Cycle, in the embodiment at the beginning of the 7th bar or the 3rd work cycle.

The emissions are very low in the method or engine according to the invention. Both because of the proportions and the temperatures, NO x compounds are formed only to a small extent, CO and CO 2 are only emitted to the extent that they were previously entered with the additional combustion air.

The method according to the invention can be applied to all types of ver internal combustion engines are applied, e.g. B. on reciprocating engines with spark ignition or auto ignition and both after the "2-stroke" or "4-stroke" principle, on rotary piston engines and circulation piston engines. It is important to ensure that the surfaces of pistons and Zy moving relative to each other linder for a suitable seal formation from the electrical lysis device must remain free.

Claims (8)

1. A method for driving an engine by burning hydrogen, characterized in that the hydrogen and combustion oxygen in the working space of the engine is generated by electrolytic dissociation of water.
2. The method according to claim 1, characterized in that that the water for the catalytic acceleration of the dissocia tion an alkali compound is added.
3. The method according to claim 2, characterized in that the alkali compound is potassium hydroxide.
4. Motor for applying a method according to one of the Claims 1 to 3, characterized in that the engine Reciprocating engine and the electrolysis device in the wall of the combustion chamber is arranged.
5. Motor according to claim 4, characterized in that the Reciprocating engine is designed as an eight-stroke engine, in which Start of the cycle water, possibly with a catalyst is sucked or injected, which ver in the 2nd, 4th and 6th measure seals the expansion of the combustion in the 3rd, 5th and 7th cycle converted into mechanical work and combustion in the 8th cycle blows out gases.  
6. Motor according to claim 5, characterized in that electrolysis immediately after suction or injection the water, if necessary with a catalyst, at the beginning of the The first measure begins and continues until the beginning of the 7th Clock is continued.
7. Motor according to claim 4 to 6, characterized in that the combustion can be triggered by spark ignition.
8. Motor according to claim 4 to 6, characterized in that the combustion can be triggered by self-ignition.
DE19914115727 1990-06-27 1991-05-14 IC engine uses hydrogen generated electrolytically in operating space - to increase efficiency and reduce waste and emission Withdrawn DE4115727A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE4020824 1990-06-27
DE19914115727 DE4115727A1 (en) 1990-06-27 1991-05-14 IC engine uses hydrogen generated electrolytically in operating space - to increase efficiency and reduce waste and emission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19914115727 DE4115727A1 (en) 1990-06-27 1991-05-14 IC engine uses hydrogen generated electrolytically in operating space - to increase efficiency and reduce waste and emission

Publications (1)

Publication Number Publication Date
DE4115727A1 true DE4115727A1 (en) 1992-01-02

Family

ID=25894609

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19914115727 Withdrawn DE4115727A1 (en) 1990-06-27 1991-05-14 IC engine uses hydrogen generated electrolytically in operating space - to increase efficiency and reduce waste and emission

Country Status (1)

Country Link
DE (1) DE4115727A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6127055A (en) * 1997-11-19 2000-10-03 Simmons, Jr.; Timothy C. Multi-source electrical drive system
WO2001098643A2 (en) * 2000-06-08 2001-12-27 Knite, Inc. Combustion enhancement system and method
US20110017170A1 (en) * 2008-03-17 2011-01-27 Kwang Jae Song 8-stroke internal combustion engine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6127055A (en) * 1997-11-19 2000-10-03 Simmons, Jr.; Timothy C. Multi-source electrical drive system
WO2001098643A2 (en) * 2000-06-08 2001-12-27 Knite, Inc. Combustion enhancement system and method
WO2001098643A3 (en) * 2000-06-08 2003-01-23 Knite Inc Combustion enhancement system and method
JP2004510087A (en) * 2000-06-08 2004-04-02 ナイト,インコーポレイティド Combustion enhancement system and combustion enhancement method
US20110017170A1 (en) * 2008-03-17 2011-01-27 Kwang Jae Song 8-stroke internal combustion engine
US8448613B2 (en) * 2008-03-17 2013-05-28 Kwang Jae Song 8-stroke internal combustion engine

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