Method of cleaning an internal combustion engine and system therefor

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US 2019 /0264609 A1 Aug . 29 , 2019

METHOD OF CLEANING AN INTERNAL from the inner walls of the engine system , thereby decreas COMBUSTION ENGINE AND SYSTEM ing the NOX emission from the system .

THEREFOR [0010 ] A first aspect of the present invention relates to the use of a gas delivery system for cleaning an internal com

TECHNICAL FIELD OF THE INVENTION bustion engine ; wherein the gas delivery system is adapted [0001] The present invention relates to internal combus to deliver hydrogen gas , and optionally oxygen gas , into the tion engines , and more specifically to cleaning of internal air intake duct of the internal combustion engine when the combustion engines mounted on a vehicle driven by one or engine operates idle ; wherein the hydrogen gas is delivered more internal combustion engines . at an amount of at least 15 liters per minute for a period of 10 - 90 minutes ; wherein the hydrogen gas, and optionally the

BACKGROUND OF THE INVENTION oxygen gas , is continuously produced by electrolysis of water .

[0002 ] Most vehicles such as cars , motorcycles, trains, [0011 ] A second aspect relates to a gas delivery system boats , and portable machinery , such as electric generators, adapted for cleaning an internal combustion engine , the utilize internal combustion engines . system comprising:

100031 Generally , these engines use fossil fuel to operate . [0012 ] means configured for producing hydrogen gas 10004 ]. In the internal combustion engine, combustion of a by performing electrolysis on water, and configured for fuel occurs with an oxidizer ( air ) in a combustion chamber. delivering hydrogen in an amount of at least 15 liters The expansion of the high temperature and high - pressure per minute for a period of 10 -90 minutes; and gases produced by the combustion process exert forces to [0013 ] means adapted for transferring the produced mechanical components of the engine transforming chemi hydrogen , and optional oxygen , to the air intake duct of cal energy into useful mechanical energy . Incomplete oxi an internal combustion engine when the engine oper dation during the combustion , or improper combustion , may ates idle .

increase the emissions. [0014] A third aspect relates to the use of a gas delivery [ 0005 ] Emissions carry harmful substances, such as car system configured to deliver hydrogen gas, and optionally bon monoxides, nitrogen oxides, and other greenhouse oxygen gas, for cleaning an internal combustion engine ; gases, such as carbon dioxide that can adversely affecthealth wherein an internal combustion engine with an engine and the environment. To control the emissions, users and displacement of 1 - 20 liters is treated with 900 - 2 , 500 liters of manufacturers of internal combustion engines must comply hydrogen gas per hour; wherein the hydrogen , and option with stringent regulations and emissions control standards . ally the oxygen gas, is delivered into the air intake duct of [ 0006 ]. For economic and environmental reasons, tech the internal combustion engine; wherein the hydrogen gas, nologies on fuel and engine have been developed to produce and optionally the oxygen gas, is continuously produced by internal combustion engines with improved fuel efficiency means capable of performing electrolysis on water , and and reduced emissions. For example , unleaded fuels are wherein a direct current electrical supply is configured to used for reducing carbon deposits in the engine, and fuel deliver direct current pulses of 200 - 1000 Hertz to the means additives are used for increasing performance and fuel capable of performing electrolysis on water. efficiency of the engine. [0015] A fourth aspect relates to a gas delivery system [0007] However, the effects of carbon build -up are still adapted for cleaning an internal combustion engine , the gas present in almost all vehicles , and the use of some fuel delivery system comprising :

additives may further increase carbon deposits in the engine . [ 0016 ] means capable of performing electrolysis on Excessive build - up of carbon deposits in the engine will water ; and reduce engine performance and create significant drivability [0017 ] means adapted for transferring the produced issues . hydrogen to an internal combustion engine; [0008 ] It is therefore desirable to provide a system , which [0018 ] a direct current electrical supply configured to can remove the already built - up carbon deposits in an deliver direct current pulses of 200 - 1000 Hertz to the internal combustion engine . means capable of performing electrolysis on water; and [0019 ] a controller adapted for receiving user input

SUMMARY OF THE INVENTION about the engine displacement of an internal combus [ 0009 ] The inventor of the present invention has provided tion engine to be treated , the engine displacement being an external system configured to remove the built -up of within the range of 1 - 20 liters , and in response to said carbon deposits in an internal combustion engine . In the input, instruct the means capable of performing elec present context, the term " external system ” refers to a trolysis on water to produce a specific amount of system that is only connected to the internal combustion hydrogen per hour within the range of 900 -2 ,500 liters engine during the cleaning operation as opposed to devices of hydrogen gas per hour .

that are connected to the internal combustion engine during DETAILED DESCRIPTION OF THE normal use . Surprisingly, it was found that administering INVENTION large quantities of hydrogen gas into the internal combustion engine when the engine operates idle , and during a period of [0020 ] A first aspect of the present invention relates to the 10 - 90 minutes was enough to remove the carbon deposits . use of a gas delivery system for cleaning an internal com Without being bound by any specific theory , it is speculated bustion engine; wherein the gas delivery system is adapted that the hydrogen reacts, in an exothermic reaction , with a ) to deliver hydrogen gas, and optionally oxygen gas, into the oxygen being co -administered and/or b ) oxygen from the air air intake duct of the internal combustion engine when the intake duct of the internal combustion engine to form water engine operates idle ; wherein the hydrogen gas is delivered vapor. This exothermic reaction , releases the carbon deposits at an amount of at least 15 liters per minute for a period of

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10 - 90 minutes; wherein the hydrogen gas, and optionally the liters hydrogen gas per minute for a period of 10 - 90 minutes, oxygen gas , is continuously produced by electrolysis of e.g . at least 145 liters hydrogen gas per minute for a period water . of 10 - 90 minutes , such as at least 150 liters hydrogen gas per [0021 ] In one ormore embodiments , the hydrogen gas and minute for a period of 10 - 90 minutes , e . g . at least 155 liters the oxygen gas is continuously produced in doses by elec hydrogen gas perminute for a period of 10 - 90 minutes, such trolysis of water. as at least 160 liters hydrogen gas perminute for a period of 10022 ]. When a pulsed voltage is imposed on the terminals 10 - 90 minutes, e .g . at least 165 liters hydrogen gas per of an electrochemical cell a corresponding pulsed current minute for a period of 10 - 90 minutes, such as at least 170 through the cell is produced . In the present context, the liters hydrogen gas per minute for a period of 10 -90 minutes, pulsed current and pulsed voltage are generally interchange e . g . at least 175 liters hydrogen gas per minute for a period able. A peak current is turned on for a period of time called of 10 - 90 minutes , such as at least 180 liters hydrogen gas per the on - time, followed by a zero current for a period of time minute for a period of 10 - 90 minutes, e . g . at least 185 liters called the off-time. The sum of on -time and off-time is hydrogen gas per minute for a period of 10 -90 minutes , such known as the period of the pulse and the inverse of the as at least 190 liters hydrogen gas per minute for a period of period is known as the frequency of the pulse . The percent 10 - 90 minutes , e . g . at least 195 liters hydrogen gas per on -time in a pulse is defined as the duty -cycle of the pulse .

The pulsed voltage results in an increased production rate of minute for a period of 10 - 90 minutes . Preferably , the internal hydrogen compared to normal DC electrolysis. combustion engine is treated for 10 - 90 minutes, such as for 0023] In one or more embodiments, the hydrogen gas 15 - 85 minutes, e.g . for 20 -80 minutes, such as for 25 -75 and , optionally , the oxygen gas is continuously produced by minutes, e .g . for 30 - 70 minutes , such as for 35 -65 minutes , means configured to perform electrolysis on water, and e. g. for 40 -60 minutes , and even more preferred for 10 -35 wherein a direct current electrical supply is configured to minutes, such as for 15 - 30 minutes , e . g . for 20 - 25 minutes . deliver direct current pulses of 200 - 1000 Hertz to the means The inventor has found that a period of 15 - 30 minutes is configured to perform electrolysis on water, such as within ideal.

the range of 250 - 950 Hertz , e. g. within the range of 300 - 900 [00261 In one or more embodiments , the hydrogen gas is Hertz , such as within the range of 350 - 850 Hertz , e . g . within delivered at an amount of 15 -200 liters per minute for a the range of 400 - 800 Hertz , such as within the range of period of 10 - 90 minutes, such as within the range of 20 - 195 450 -750 Hertz , e.g . within the range of 500- 700 Hertz, such liters hydrogen gas per minute for a period of 10 - 90 minutes , as within the range of 550 -650 Hertz. e. g. 25-190 liters hydrogen gas per minute for a period of [0024 ] In one or more embodiments , the hydrogen gas is 10 - 90 minutes , such as within the range of 30 - 185 liters delivered at an amount of at least 15 liters per minute for a hydrogen gas per minute for a period of 10 - 90 minutes, e. g . period of 10 - 90 minutes , such as at least 20 liters hydrogen gas per minute for a period of 10 - 90 minutes, e .g . 35 - 170 liters hydrogen gas per minute for a period of 10 - 90 [0025 ] at least 25 liters hydrogen gas per minute for a minutes, such as within the range of 40 - 165 liters hydrogen period of 10 - 90 minutes , such as at least 30 liters hydrogen gas per minute for a period of 10 - 90 minutes, e.g . 45 - 160 gas per minute for a period of 10 - 90 minutes, e . g . at least 35 liters hydrogen gas per minute for a period of 10 - 90 minutes , liters hydrogen gas per minute for a period of 10 - 90 minutes , such as within the range of 50 -155 liters hydrogen gas per such as at least 40 liters hydrogen gas per minute for a period minute for a period of 10 - 90 minutes , e .g . 55 - 150 liters of 10 -90 minutes, e. g. at least 45 liters hydrogen gas per hydrogen gas per minute for a period of 10 -90 minutes , such as within the range of 60 -145 liters hydrogen gas per minute minute for a period of 10 - 90 minutes, such as at least 50 for a period of 10 - 90 minutes, e . g . 65 - 140 liters hydrogen liters hydrogen gas per minute for a period of 10 -90 minutes, gas perminute for a period of 10 - 90 minutes, such as within e . g . at least 55 liters hydrogen gas per minute for a period of the range of 70 - 135 liters hydrogen gas per minute for a 10 - 90 minutes, such as at least 60 liters hydrogen gas per period of 10 - 90 minutes, e. g . 75 - 130 liters hydrogen gas per minute for a period of 10 - 90 minutes, e. g. at least 65 liters minute for a period of 10 - 90 minutes, such as within the hydrogen gas per minute for a period of 10 -90 minutes , such range of 80 - 125 liters hydrogen gas per minute for a period as at least 70 liters hydrogen gas per minute for a period of of 10 - 90 minutes, e .g . 85 - 120 liters hydrogen gas per minute 10 - 90 minutes, e .g . at least 75 liters hydrogen gas perminute for a period of 10 - 90 minutes , such as within the range of for a period of 10 - 90 minutes, such as at least 80 liters 90 - 115 liters hydrogen gas per minute for a period of 10 - 90 hydrogen gas per minute for a period of 10 -90 minutes , e.g . minutes , e . g . 95 - 110 liters hydrogen gas per minute for a at least 85 liters hydrogen gas per minute for a period of 10 - 90 minutes , such as at least 90 liters hydrogen gas per period of 10 - 90 minutes .

minute for a period of 10 -90 minutes, e.g . at least 95 liters [0027 ] In one or more embodiments, the internal combus hydrogen gas per minute for a period of 10 - 90 minutes , such tion engine suitable for the treatment has an engine displace as at least 100 liters hydrogen gas per minute for a period of ment of 1- 30 liters, such as an engine displacement of 2 -29 10 -90 minutes , e.g. at least 105 liters hydrogen gas per liters , e . g . an engine displacement of 3 -28 liters , such as an minute for a period of 10 - 90 minutes , such as at least 110 engine displacement of 4 -27 liters , e . g . an engine displace liters hydrogen gas per minute for a period of 10 - 90 minutes, ment of 5 - 26 liters , such as an engine displacement of 6 - 25 e . g . at least 115 liters hydrogen gas per minute for a period liters , e . g . an engine displacement of 7 - 24 liters, such as an of 10 - 90 minutes , such as at least 120 liters hydrogen gas per engine displacement of 8 - 23 liters , e . g . an engine displace minute for a period of 10 - 90 minutes, e.g . at least 125 liters ment of 9 -22 liters , such as an engine displacement of 10 -21 hydrogen gas per minute for a period of 10 - 90 minutes , such liters , e .g . an engine displacement of 11 - 20 liters , such as an as at least 130 liters hydrogen gas per minute for a period of engine displacement of 12 - 19 liters, e. g . an engine displace 10 - 90 minutes , e.g . at least 135 liters hydrogen gas per ment of 13 - 18 liters, such as an engine displacement of minute for a period of 10 - 90 minutes, such as at least 140 14 - 17 liters , e . g . an engine displacement of 15 - 16 liters .

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[0028 ] In one or more embodiments, an internal combus - the internal combustion engine ; wherein the hydrogen gas, tion engine with an engine displacement of 1 -3 liters is and optionally the oxygen gas, is continuously produced by treated with 15 - 30 liters hydrogen gas per minute for a means capable of performing electrolysis on water, and period of 10 -90 minutes. wherein a direct current electrical supply is configured to [0029 ] In one or more embodiments , an internal combus deliver direct current pulses of 200 - 1000 Hertz to the means tion engine with an engine displacement of 4 -6 liters is capable of performing electrolysis on water. treated with 30 - 50 liters hydrogen gas per minute for a [0044 ] A fourth aspect relates to a gas delivery system period of 10 - 90 minutes . adapted for cleaning an internal combustion engine , the gas [ 0030 ] In one or more embodiments, an internal combus delivery system comprising :

tion engine with an engine displacement of 7 - 9 liters is [0045 ] means capable of performing electrolysis on treated with 45 - 70 liters hydrogen gas per minute for a water ; and period of 10 - 90 minutes . 100461 means adapted for transferring the produced (0031] In one or more embodiments , an internal combus hydrogen to an internal combustion engine ; tion engine with an engine displacement of 10 - 12 liters is [0047] a direct current electrical supply configured to treated with 60 - 90 liters hydrogen gas per minute for a deliver direct current pulses of 200 - 1000 Hertz to the period of 10 - 90 minutes . means capable of performing electrolysis on water, and 10032] In one or more embodiments , an internal combus (0048 ] a controller adapted for receiving user input tion engine with an engine displacement of 13 - 15 liters is treated with 75 - 110 liters hydrogen gas per minute for a about the engine displacement of an internal combus tion engine to be treated , the engine displacement being period of 10 - 90 minutes. within the range of 1 -20 liters, and in response to said 10033 ] In one or more embodiments , an internal combus input, instruct the means capable of performing elec tion engine with an engine displacement of 16 - 18 liters is trolysis on water to produce a specific amount of treated with 90 - 130 liters hydrogen gas per minute for a hydrogen per hour within the range of 900 -2 ,500 liters period of 10 - 90 minutes . of hydrogen gas per hour.

[ 0034 ] In one or more embodiments , an internal combus (0049 ] In one or more embodiments , an internal combus tion engine with an engine displacement of 19 -21 liters is treated with 105 - 150 liters hydrogen gas per minute for a tion engine with an engine displacement of 10 - 20 liters is period of 10 - 90 minutes . treated with 900 - 2 ,500 liters of hydrogen gas per hour, such [ 0035 ] In one or more embodiments , an internal combus as within the range of 900 -2 ,400 liters of hydrogen gas per tion engine with an engine displacement of 22- 24 liters is hour, e .g . within the range of 900 - 2, 300 liters of hydrogen treated with 120 - 170 liters hydrogen gas per minute for a gas per hour, such as within the range of 900 - 2 , 200 liters of period of 10 - 90 minutes . hydrogen gas per hour, e. g .

[0036 ] In one or more embodiments, an internal combus 100501 within the range of 950 -2 , 100 liters of hydrogen tion engine with an engine displacement of 25 - 27 liters is gas per hour, such as within the range of 1 , 000 - 2 ,000 liters treated with 135 - 190 liters hydrogen gas per minute for a of hydrogen gas per hour, e . g . within the range of 1 , 100 - 1 , period of 10 - 90 minutes . 900 liters of hydrogen gas per hour, such as within the range [ 0037 ] In one ormore embodiments , an internal combus of 1, 200 - 1 , 800 liters of hydrogen gas per hour, e . g . within tion engine with an engine displacement of 28 - 30 liters is the range of 1 ,300 - 1, 700 liters of hydrogen gas per hour, treated with 150 - 210 liters hydrogen gas per minute for a such as within the range of 1, 400 -1 ,600 liters of hydrogen period of 10 - 90 minutes . gas per hour , e . g . within the range of 1 ,450 - 1 , 550 liters of [0038 ] In one or more embodiments, the hydrogen and hydrogen gas per hour.

oxygen gas is delivered into the air intake duct of the internal [0051] In one or more embodiments , the hydrogen , and combustion engine . optionally the oxygen gas , is mixed with the air entering the [0039 ] In one or more embodiments, the hydrogen and air intake duct of the internal combustion engine prior to oxygen gas is mixed with the air entering the air intake duct reaching the internal combustion engine . of the internal combustion engine prior to reaching the [0052 ] A fifth aspect relates to a gas delivery system internal combustion engine . adapted for cleaning an internal combustion engine , the gas [0040] A second aspect relates to a gas delivery system delivery system comprising :

adapted for cleaning an internal combustion engine, the gas [0053 ] means configured for producing hydrogen gas delivery system comprising : by performing electrolysis on water, and configured for [0041 ] means configured for producing hydrogen gas delivering hydrogen in an amount of at least 15 liters by performing electrolysis on water, and configured for per minute for a period of 10 - 90 minutes, and delivering hydrogen in an amount of at least 15 liters [0054 ] means adapted for transferring the produced per minute for a period of 10 - 90 minutes ; and hydrogen , and optional oxygen , to the air intake duct of [0042 ] means adapted for transferring the produced an internal combustion engine when the engine oper hydrogen , and optional oxygen , to the internal com ates idle .

bustion engine when the engine operates idle . [0055 ] In one or more embodiments, the means configured [0043] A third aspect relates to the use of a gas delivery to deliver hydrogen in an amount of at least 15 liters per system configured to deliver hydrogen gas , and optionally minute comprises means configured to perform pulsed direct oxygen gas, for cleaning an internal combustion engine ; current electrolysis on water ; and wherein the gas delivery wherein an internal combustion engine with an engine system further comprises a controller adapted for receiving displacement of 1 -20 liters is treated with 900 - 2 , 500 liters of user input about the engine displacement of an internal hydrogen gas per hour ; wherein the hydrogen , and option combustion engine to be cleaned , and in response to said ally the oxygen gas , is delivered into the air intake duct of input, instruct the means configured to perform electrolysis

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on water to produce a specific amount of hydrogen per and the cathode plate in the electrolytic cell , may comprise minute ; wherein the specific amount is at least 15 liters per a predetermined number ofmetal plates (e .g . 5 steel plates ) minute . with a plurality of electrolyte passage openings . The metal [0056 ] In one or more embodiments , the gas delivery plates are arranged by sequentially displacing the electrolyte system further comprises a heating unit configured to heat passage openings at a predetermined angle , so that the the water for the electrolysis process to a temperature within electrolyte is passed through themetal plates ,while spinning the range of 20 -40 degrees Celsius, such as within the range is being performed .

of 25 - 35 degrees Celsius. The inventor has found that this [0070] The metal plates are not electrically connected to temperature range is optimal for obtaining large quantities of the anode plate or the cathode plate, or to another portion or hydrogen gas. each other. Instead , the metal plates are securely supported [0057] In one or more embodiments , the gas delivery by an insulating member.

system further comprises means configured for sensing if the [0071 ] Potassium hydroxide (KOH ), which is an alkali internal combustion engine stops during the cleaning opera electrolyte , and water are introduced into the electrolytic tion , and configured to automatically shut down the means cell, and a direct current voltage is applied between the configured to perform electrolysis on water if the internal anode plate , arranged inside, near the bottom of the elec combustion engine stops during the cleaning operation . This trolytic cell , and the cathode plate , arranged near the top configuration is a security measure to avoid the production thereof, in accordance with the polarities of these electrodes. of large quantities of hydrogen gas that may accidentally As a result, the potassium hydroxide (KOH ) electrolyte and ignite in the room where the internal combustion engine is water are forced upwards in the electrolytic cell, while being treated . spun between the anode plate , located near the bottom , and 10058 ] In one or more embodiments , themeans configured the cathode, located near the top . During this process , for sensing if the internal combustion engine stops during electrolysis progresses , while the reaction for the generation the cleaning operation comprises a vibration sensor adapted of hydrogen gas ( and oxygen gas ) continues to develop in for being mounted to the engine block and /or to the body the electrolyte solution .

work of the vehicle that comprises the internal combustion [0072 ] When electrons collide with a metal plate (that engine . The means may we wired or wireless . serves as a member of the electrolyte spinning and passing [0059 ] In one or more embodiments, the gas delivery portion ), arranged between the anode plate and the cathode system further comprises a controller adapted for receiving plate , oxonium ions (Hz0 + ) are generated by the collisions user input about the engine displacement of an internal and are moved to the cathode side, and anions (OH - ) are also combustion engine to be treated , and in response to said so generated and are moved to the anode side . When input, instruct the means configured to perform electrolysis multiple metal plates have been so arranged , a large quantity on water to produce a specific amount of hydrogen per hour. of water electrolytic gas can be generated in the electrolytic [0060] It should be noted that embodiments and features cell. Thereafter, the mixture of the electrolyte and an described in the context of one of the aspects of the present increased amount of the thus generated hydrogen gas is invention also apply to the other aspects of the invention . extracted via the outlet formed in the upper end of the 0061] The present invention is not limited by a specific electrolytic cell. Aswould be appreciated by a person skilled type of means configured to perform electrolysis on water. in the art, the size of the anode and cathode plates, the However , an example of a means configured to perform magnitude of the electric current ( voltage, amperes ) used , electrolysis on water could comprise : and the flow and temperature of the electrolyte solution are [0062 ] an electrolytic cell , for generation of a water elec decisive for the amount of generated hydrogen gas (and trolytic gas, including oxygen gas ).

[ 0063] an electrolyte inlet ( e.g . formed in a bottom wall ), [0073] The thus extracted mixture of the electrolyte and [0064] an outlet (e. g . formed in a top wall ) adapted to the hydrogen gas is passed through a connecting pipe to a extract a mixture of an electrolyte and a generated gas , separation cell , in which gas-liquid separation is thereafter [ 0065 ] an anode plate ( e .g . internally arranged near the performed to separate the hydrogen gas from the electrolyte. bottom wall), Hence , only the hydrogen gas ( and oxygen gas ) is extracted [0066 ] a cathode plate (e .g. internally arranged near a top via the lead -out pipe, and is transferred to the internal wall ), and combustion motor. The residual electrolyte is recirculated [ 0067 ] an electrolyte spinning and passing portion , for through the electrolytic cell to continue the above described spinning and passing an alkali electrolyte in a direction reaction process .

leading from the anode plate to the cathode plate ; [0074 ] As an example , an internal combustion engine with 0068 ] a separation cell, for an electrolyte /water electro an engine displacement of 3 liters is treated with 25 liters lytic gas , in which gas - liquid separation is performed for the hydrogen gas perminute for a period of 20 - 30 minutes . The mixture that has been extracted from the outlet in the upper means configured to deliver hydrogen gas comprises means end of the electrolytic cell and the mixture that includes the configured to perform pulsed direct current electrolysis on electrolyte and a water electrolytic gas, and as a result, gas water (potassium hydroxide solution , 25 % KOH w /w ). The components comprising the water electrolytic gas are sepa electrolysis is conducted with a pulsed direct current of 36 rated from the electrolyte , so that only the gas components volts (60 amperes ), and at a frequency of 400 Hz. are externally extracted , while an electrolyte component is [0075 ] As another example , an internal combustion engine retained , internally ; and with an engine displacement of 20 liters is treated with 110 [0069 ] an electrolyte circulation unit, for circulating, liters hydrogen gas per minute for a period of 20 - 30 minutes . toward the electrolytic cell , the electrolyte that has been The means configured to deliver hydrogen gas comprises retained in the separation cell. The electrolyte spinning and means configured to perform pulsed direct current electroly passing portion , which is located between the anode plate sis on water (potassium hydroxide solution , 25 % KOH

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w /w ). The electrolysis is conducted with a pulsed direct 16 . A gas delivery system adapted for cleaning an internal current of 77 volts ( 260 amperes ), and at a frequency of 400 combustion engine operating in idle mode , the system Hz. comprising:

1 .- 10 . ( canceled ) means configured to produce hydrogen gas by performing 11. A method for cleaning an internal combustion engine electrolysis on water, and configured for delivering a comprising the steps of: specific amount of hydrogen gas in response to user a ) coupling means configured to produce hydrogen gas by input about the internal combustion engine' s engine performing electrolysis on water to the air intake duct displacement; and of an internal combustion engine such that hydrogen means adapted for transferring the produced hydrogen , gas may be transferred thereto ; and optional oxygen , to the air intake duct of an internal b ) configuring an internal combustion engine to operate in combustion engine when the engine operates idle ; idle mode ; a controller adapted for receiving user input about the c ) configuring the means configured to produce hydrogen engine displacement of an internal combustion engine gas by performing electrolysis on water to continuously to be cleaned , and in response to said input, instruct the produce a predefined amount of hydrogen gas depend means configured to perform electrolysis on water to ing on the size of said internal combustion engine ; produce a specific amount of hydrogen per minute , and wherein said amount is: wherein said amount is :

i) 15 - 30 liters hydrogen gas per minute for a period of i) 15 - 30 liters hydrogen gas per minute for a period of 10 - 90 minutes when the internal combustion engine 10 - 90 minutes when the internal combustion engine has an engine displacement of 1 -3 liters ; has an engine displacement of 1- 3 liters; ii ) 30 - 50 liters hydrogen gas per minute for a period of ii ) 30 -50 liters hydrogen gas per minute for a period of 10 - 90 minutes when the internal combustion engine 10 - 90 minutes when the internal combustion engine has an engine displacement of 4 -6 liters ; has an engine displacement of 4 -6 liters; iii) 45 -70 liters hydrogen gas per minute for a period of iii ) 45 -70 liters hydrogen gas perminute for a period of 10 - 90 minutes when the internal combustion engine 10 - 90 minutes when the internal combustion engine has an engine displacement of 7 - 9 liters ; has an engine displacement of 7 - 9 liters ; iv ) 60 - 90 liters hydrogen gas per minute for a period of iv ) 60 - 90 liters hydrogen gas per minute for a period of 10 - 90 minutes when the internal combustion engine 10 - 90 minutes when the internal combustion engine has an engine displacement of 10 - 12 liters ; has an engine displacement of 10 - 12 liters ; v ) 75 - 110 liters hydrogen gas per minute for a period of v ) 75 - 110 liters hydrogen gas per minute for a period of 10 - 90 minutes when the internal combustion engine 10 - 90 minutes when the internal combustion engine has an engine displacement of 13 - 15 liters ; has an engine displacement of 13 - 15 liters ; vi) 90 - 130 liters hydrogen gas per minute for a period vi) 90 - 130 liters hydrogen gas per minute for a period of 10 - 90 minutes when the internal combustion of 10 - 90 minutes when the internal combustion engine has an engine displacement of 16 - 18 liters ; engine has an engine displacement of 16 - 18 liters ; vii ) 105 - 150 liters hydrogen gas per minute for a period vii) 105 - 150 liters hydrogen gas per minute for a period of 10 - 90 minutes when the internal combustion of 10 - 90 minutes when the internal combustion engine has an engine displacement of 19 -21 liters ; engine has an engine displacement of 19 - 21 liters ;

viii ) 120 -170 liters hydrogen gas per minute for a viii ) 120 - 170 liters hydrogen gas per minute for a period of 10 - 90 minutes when the internal combus period of 10 - 90 minutes when the internal combus tion engine has an engine displacement of 22 - 24 tion engine has an engine displacement of 22 -24 liters ;

liters ; ix ) 135 - 190 liters hydrogen gas per minute for a period ix ) 135 -190 liters hydrogen gas perminute for a period of 10 - 90 minutes when the internal combustion of 10 - 90 minutes when the internal combustion engine has an engine displacement of 25 - 27 liters ; engine has an engine displacement of 25 - 27 liters ; and and x ) 150 -210 liters hydrogen gas per minute for a period x ) 150 -210 liters hydrogen gas per minute for a period of 10 -90 minutes when the internal combustion of 10 - 90 minutes when the internal combustion engine has an engine displacement of 28 - 30 liters . engine has an engine displacement of 28 - 30 liters. 17 . The gas delivery system according to claim 16 , 12 . The method according to claim 11, wherein the wherein the means configured to produce hydrogen gas by hydrogen gas is delivered to the internal combustion engine performing electrolysis on water comprises means config for 10 -50 minutes. ured to perform pulsed direct current electrolysis on water. 13 . The method according to claim 11 , wherein the gas 18 . The gas delivery system according to claim 16 , further delivery is automatically stopped if the internal combustion comprising a heating unit configured to heat the water for the engine stops during the cleaning operation. electrolysis process to a temperature within the range of 14 . The method according to claim 11, wherein the 20 -40 degrees Celsius .

hydrogen gas is mixed with the air entering the air intake 19 . The gas delivery system according to claim 16 , further duct of the internal combustion engine prior to reaching the comprising means configured for sensing if the internal internal combustion engine. combustion engine stops during the cleaning operation and 15 . Themethod according to claim 11, wherein the water configured to automatically shut down themeans configured for the electrolysis process is heated to a temperature within to perform electrolysis on water if the internal combustion the range of 20 -40 degrees Celsius. engine stops during the cleaning operation .

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20 . The gas delivery system according to claim 16 , further comprising means configured for sensing if the internal combustion engine stops during the cleaning operation , and configured to automatically shut down the means configured to perform electrolysis on water if the internal combustion engine stops during the cleaning operation , and wherein the means configured for sensing if the internal combustion engine stops during the cleaning operation comprises a vibration sensor adapted for being mounted to the engine block and / or to the bodywork of the vehicle that comprises the internal combustion engine .