WO1999004148A1

WO1999004148A1 - Process and device to burn a combustible mixture of air/fuel+water in an internal combustion engine

Info

Publication number: WO1999004148A1
Application number: PCT/BR1997/000029
Authority: WO
Inventors: Homero Vieira De Mello Lopes
Original assignee: Homero Lopes Associados Engenharia E Comércio Ltda
Priority date: 1996-07-16
Filing date: 1997-07-17
Publication date: 1999-01-28
Also published as: BR9601955A

Abstract

The present summary refers to a patent of invention for a process of burning a comburent hydrogaseous mixture, to the mixture and to the equipment used in the process, belonging to the field of the explosion motors or the like which have been developed to grant a better performance for the latter and comprising, essentially: 1) obtention of gaseous phase air + combustible through the usual means of the explosion motor; 2) obtention of water steam phase, to the 1 bar pressure and a temperature of 120 °C (about 10 %), through a heat generator, using as a heating fluid the escaping gases of the motor at a temperature between 400 and 800 °C, as the type of the motor and combustible used, and using the stored water to be used in the process; 3) obtention of the hydrogaseous carburant mixture (air + combustible + water steam) comprising the introduction of the gaseous phase air + combustible in the admission collector of the explosion motor through the usual means of the motor and the introduction to the phase saturated steam synchronized in relation to the gaseous phase + combustible, through a commanded value by the accelerator of the explosion motor to a selected range to keep the optimization conditions calculated in relation to the features of the motor; and 4) through the usual means and phases of the explosion motor (in case of cicleo to motors, gasoline, alcohol for phases motors: admission, compression, explosion, exhaustation), alimentation phase of the hydrogaseous comburent mixture (air + combustible + water steam) obtained in the combustion chamber of the explosion motor, where the reactions of burning combustible are conducted under high pressure in a composed atmosphere by the incorporated air in phase (1) of obtaining a phase gaseous mixture air + combustible and by water steam incorporated in phase (2) of obtaining the steam phase.

Description

PROCESS AND DEVICE TO BURN A COMBUSTIBLE MIXTURE OF ALR/FUEL+WATER IN AN INTERNAL COMBUSTION ENGINE

The present descriptive report refers to a patent of invention which has as object a process of burning a comburent hidrogaseous mixture in explosion motors, comburent hidrogaseous used in the process and equipment for obtaining a steam phase used in the process of burning a comburent hidrogaseous mixture, belonging to the field of the

motors started by na explosion and the like and which expect original solutions to improve the performance of these last ones, in cicle oto or diesel motors or turbing motors, fed by gasoling or kerosene or allitool or oil diesel or even vegetal oils.

It is known that the efficiency of the operations of these motors is related directly to the heat and the temperature obtained by the combustion of the combustible wach feed them. It is a general knollesag that said motors present the following defeats, especially

witen fed lith gasoline:

The efficiency of gasoling motors in the order of 25% against 35% of the alchool or diesel motors.

The emission of polluting agents with a high level of carbon monox fre carbon and nitrogen oxide in very high levels.

A gasoline motors liberates 4% of carbon monox, as well as it liberates carbon particles which are not burned and part of it is liberated toggether with the escaping gases and part form storage of the cylinder surface.

Compression range's in gasoline motors in the order of 1;7 against 1;12 in allchool motors. Pre-ignition in gasoline motors which reduces the compression range.

The gasoline motors work with air excess; above 10%.

The inventor of the present invention is the same of the patent application PI 8602705, in examination phase at the INPI (Brazilian Patent Office) and of International Patents, PCI/BR/00013, already granted in the U.S.* in the final phase in 6 countries of the European Common Market, which are about a process of burning al oil mixture.

Said application is about hidro-oil emusion, from its preparation until the burning of it.

As substantially described, in the descriptive report of said application for the burning process of hidro-oil emusion, the micro-explosion phenomenum of the water drops form a self pulverisation of the oil molecules shich grants the reduction and oxination reaction of the waiter.

With the experience obtained in the process of burning hidro-oil emusions and having the above problems in wind amoung other osserved problems, with the performance of the combustible explosion motors systems and in order to overcome them, the inventor has observed the possibility of using the reduction and oxination reactions as in his above inventions, adpted to internal combustion motors, as hereinbelow described.

The hidro-oil burning emusion process, here in above mentioned, and the object of another patent application of the same inventor, concists substantially in the foUowingsteps: emusionate andairate the water and the combustible oil, estabilize the obtained airated emusion, conduct theairaded emusion which is estabilized to a burning beak; to pulverize hite airaited emusion throug a burner in poor aired places and conduct the burning reactions.

As in the explosion motors, the combustible allchool, gasoline or diesel, is already injected in the combustion camera as a gas, there is no need to provide emusioning conditions of water with these substances.

In view of this, in the process, object of the present, invention, is expected, substantially, the injection of steam in the admission camera where the combustible and theoric air mixture is formed - comburent mixture. s Therefore, the burning process of hidrogaseous comburent mixture in explosion motors, object of the present patent, is formed by the following sters: l)-Obtantion of gaseous phase-air + combustible through the usual means of the

explosion motors.

2)- Ibtantion of steam phase of water, to the presure of 1 bar and 120-o C (about 0 10%) through the heat generator, using as heating fluid the escaping gases of the motors with a temperature beaween 400 o C and 800 o C as the type of the motors and combustible used and water to be used in the process.

The alimentation water of the generator will be preheared at a temperature of 90 o C (about 10%), through a circulating pump and the heat exchanger which uses the 5 combustion escaping gases and after the passage through the heat generator.

3) Obtaintion of the hidrogaseous carburant mixture (air + combustible + water steam) comprising the gaseous air phase introduction + combustible in the admission collector of the explosion motor through usual means of the motor and the introduction of the steam phase synchronizes in relation to the gaseous air phase + combustible, through 0 suitable means and the accelerator of the explosion motor, to a dischsrge range selected to keep the conditions of calculated optimization in relation of the features of the motor; and

4) Through the usual means and steps of the explosion motor (in case of cicle oto motors working with gasoline or alchool of 4 phases: admission, compression, explosion, exaltation),step of the hidrogaseous comburent alimentation mixture (air + combustible + 5 w^*πi(^>r steam) obtained in the combustion cameras of the explosion motors where are conducted the burning reactions of the combustible under high pression and in a

atmosphere composed by the accumulated air in step (1) of obtaintion of the phase gaseous mixture air + combustible and by the water steam in step (2) of obtaintion of the steam phase. For injection motors, directly or turbines, the steam is directly mixed with the combustion air dully reduced, to keep the stoichimentric necessary conditions.

The hidrogaseous comburent mixture obtained by the obtaling process above, at the moment it is fed to the combustion cameras, is comprosed by: air + combustible + water steam, this with the pressure of 1 bar (about 10%) and to the temperature of 120 ° C (about 10%) in proportions as the features and solicitations of the motors.

For a better analyses of the process of burning the comburent mixture, composed by the steam + air + combustible, this last one, comprising gasoline, present further a thermical balance of the mixture of a gasoline molecule { C« H } and with water steam together with the air. The following points are conclusive:

The combustion of a gasoline molecule {Cg H_lg } with 10% air excess liberates 1320, 15 kcal/mol, using a mixture with 35% in the form of water steam there is a liberation of 1386,85 kcal/mol. Therefore represented by na increase of 35% of liberated energy.

The flame temperature calculated in these 2 conditions is:

Pure gasoline with 10% air excess = 2049 °C

Mixed gasoline with 35% steam - 2230 °C there was na increase of the emission

of water steam to the flame temperature indicated of 37,8% {relation 12_f41 Hfø O}

9 As the explosive pressure of a combustion volume to a certain pressure, increases with the flame temperature, based on the thermodynamic formula: PV = RT, it is conclusive that the obtaintion of a higher explosive power due to the following facts: a) Increase of temperature; and b) Increase of explosive mixture mass (CO2 + H2O) Therefore, the burning process of the carburant mixture composed by steam + air

+ gasoline, for which the privillege of invention is required, concists essentially on;

1) In the introduction of water steam mixed with na air mass in order to obtain the mentioned benefits and

2) Production of water steam, using the energy of the escaping gases at a high temperature through heat exchangers, as described.

Thermical balance with utilization of gasoline and mixture with water steam

1) Linking energy

C = C, ΔHC = C = - 143 kcal/mol

C - C, ΔHC - C = - 83 kcal/mol

C - H, ΔHC - H = - 98,8 kcal/mol

H - H, ΔHH - H = - 104,2 kcal mol

H - O, ΔHH - O = - l ιO,6 kcal/mol

H

\ O ΔH - H₂ O = - 221,2 kcal/mol / H

O = O ΔHO = O = - 118,3 kcal/mol

CO₂ ΔHCO2 = 384,2 kcaVmol

CO ΔHCO = 257,3 kcal/mol 2)-Qasolinc Molecule - C} H^ molecular mass = 114 gr 3)-Features of the mixture gasoline = 65%

H₂0 = 35%

1000 gr de mixture contains: 650 gr of gasoline 350 gr ofH₂O

n° of gasoline mols = 650 = 5,70 114

n° of de H₂O mols = 350 = 19,44 18

Relation of mols H2O = 3,41

Relation of mols gasoline

4)- Combustion with theorical air with pure gasoline with parial production of carbon monox We have:

1 C₈ Hie + 12,50₂ + 47,8 N₂ → 7,5 CO₂ + 0,5 CO + 9 H₂O + 47,82 N₂

a) Reaction energy:

7,5 CO₂ x 384,2 = 2881,5 0,5 CO x 257,3 = 128,65 9 H₂O x 221,2 = 1990.80

5000,95 kcal/mol b) Disassociation energy b-1) Disassociation of molecules H

2 Unkings C - C - H x 79,3 - 158,6 kcal/mol H

5 Unkings C - C - x 83,1 = 415,5 kcal/mol 12 Unkings C - H x 99,5 = 1194,0 kcal/mol

6 Unkings C - H x 98,8 - 592.8 kcal/mol

2202,3 b-2) 12,50₂ x 118,3 = 1478.5

-3680,8 kcal/mol c)- Liberated energy:

ΔHt = -5000,95 - (-3680,8) 1320, 15 kcal/mol

5)- Combustion with theorical air and mied gasoling with H₂Q adopted molecule

q C tii + B^l HgQ)

We have:

1 Cg His + 3,41 H₂O + 10,770₂ + 41,2 N_{2 →}

→ 3,41 CO + 4,59 CO₂ + 9 H₂O + (3,41 H₂O) + 41,2 N₂ stean a) Reaction energy:

3,41 CO - 3,41 x 257,3 = 877,39

4,59 CO₂ - 4,59 x 384,2 = 1763,48

9 H₂O - 9 x 221,2 = 1990.80

-4631,67 kcal/mol b) Disassociation energy: b-1) molecule 2202,3 b-2) 10,7702 x 118,3 1274.1

-3476,4 kcal/mol b-3) Liberated energy: ΔHι=- 4631,67 -(-3476,4)

ΔH!= -1155,27 kcal/mol

b) Reduction energy:

We have:

3,41 CO + 3,41 H₂O -> 3,41 CO₂ + 3,41 H₂

b-1) Reaction energy:

CO₂-3,41x 384,2 =1310,2

b-2) Disassociation energy:

3,41 CO 3,41 x 257,3 = 877,39

3,41 H₂O 3,41 x 221,2 = 754.29

-1631,68 kcal/mol b-3) Liberated energy:

-1665,4 -(-1631,68)

ΔH2= -33,72 kcal/mol c) Reaction of oxidation of nitrogen

3,41 H₂ + 3^1_.0_{2 →}3,41H₂O 2 c-1) Reaction energy

3,41 H₂O— 3,41 x 221,2 = -754,29

c-2) Disassociation energy:

3,41 H₂ 3,41x104,2 = 355,32

3.41 O_? 1,7 x 118,3 = 201,20 2 - 556,43 kcal/mol 9

c-3) Liberated heat = -754,29 - (-556,43)

ΔH3 = -197,86 kcal/mol

Total - ΔHt =

= ΔH1+ΔH2 + ΔH3

1155,27 - 33,72 -197,86 = 1386,85 kcal/mol

ΔHt= -1386,85 kcal/mol

6) Determination of the flame temperature

Formula T = liberated heat mg x cpg

Adopted data for the gases CP at an avarege temperature of 1421°K

CO₂ = 0,317calgrχ^θC

H₂O = 0603cal/grx°C

N₂ =0281cal/grx°C

O₂ =0,34 cal/grx°C

6-a) With pure fasoline with 10% air excess and the production of carbon monox

7,5 CO₂_7,5 x 44 = 330 x 0317 = 104,61

0,5 CO __0,5 x 28 - 14 x 0,25 = 14,00

9,0 H₂O__9,0 x 18 = 162 x 0,603 - 97,60

52,6 N₂_52,6 x 28 = 1474 x 0,281 = 414,20 l,25O₂_ , 25x32 = 40x0,34 = 13.60

2020gr 644,00 cal °C

T= 1320.000 = 2049 °C 644

6-b) With mixes gasoline with H₂O As the reaction (see paragradh 4-c) there is an additional consume of l,7gr of oxigen which corresponds to 6,52 gr of nitrogen. The reaction wiU BG:

ICg H,₈ + 3,41 H₂O + 12,50₂ + (41,2 + 6,52) N_{2 →} → 8CO₂ + (9+3,41) H₂O + 47,72 N₂

8CO₂_8 x 44 = 352 x 0,317 = 111,58

12,41 H₂O 12,41 x 18 = 223,38 x 0603 = 134,69

47,72 N₂ _47,72 28 - 1336,16 x 028 » 375.46

621,73 cal/ °C

Flame temperature:

T = 1 386 850 = 2230°C 621,73 It is well known for especialists that the emission of carbon monox of gasoline motors is a in the order of 4% avaliated on the total of gases liberated by the combustion of the carbon.

Analysing Paragraph 6-a, we heve:

7,5 CO₂ x 44 = 330 gr

0,5 CO x 28 = 14 gr --- 4% 344 gr

Measuring effected ol the motors provided with catalyst filters indicate an emission of the order2500 PPM equivalent to 2,5 gr/Uters of gases, in the escaping to be exit to the

temperature of 80 °C.

The density of the gases of the escaping tube is calculated in 1000 gr/Uters in the function of the avarege temperature.

The total volume of liberated gases (see paragraph 6-a) is 2020 gr by gasoline molecule there fore We have: measured value = 2,5 de CO/lOOOgr de gases

= 5 g by gasoline molecule As the emission of CO by gasoUne molecule with 10% air excess is 14% we conclude that:

emission by molecule witholt filter = 14 gr emission by molecule with filter = 5 gr reduction of 14 - 5 x 100 = 64% 14

The equipment for obtaining a steam phase used in the process of burning a carburant hidrogaseous mixture, as here inabove mentioned, is described based on the attached drawings in which: a fig. 1 shows a fluxogram for assembling the equipament necessary for generating water steam; and a fig. 2 shows a detail of the equipment, il which a regulating valve of the steam phase is seen.

In accordance with the above figures Ulustrate, equipment for obtaining the steam phase used in the process of burning a carburant

hidrogaseous mixture, as the object of the present patent work together with an explosion

motor 1 usual, of cicleo to or diesel or turbine, with gasoline, alchool or kerosene or diesel or vegetal oils formed amαung other things, by: the usual combustion cameras 2; combustible admission coUector 3; exhausting combustion of the gases 4; the girabreaking axle 5 and others and whose admission coUector 2 presents fluid sinking with a suitable dispositive 6 for forming and feeding the gaseous mixture air + combustible and in accordance with the present invention, with the present comburant obtaining equipament. Therefore, the comburant mixture obtaining equipment is formed by:

- by a water tank 10 able to keep water to produce

enougit steam for burning 100% of the stored combustible;

- by a centri uging electrical pump 11 able to supply twice the capacity of producing steam of the system and linked to the water tank 10;

- by a heater tag type of a heater exchanger 12, fed with water with a temperature of about 50 °C through the pump 11, which heats the water unth about 90°C and uses as a heating fluid the combustion gases from the explosion

motors 1 to the temperature of 300 °C (± 10%), fed by a feeding circuit of combustion

gases 13, derived from exhaustng collector of the explosion motor 1;

- by a first solenoid 3 way valve 14 placed on the exit of heater exchanger 12 and with a first exit for a returning line 15 to the tank 10 and a second exit linked to the alimentation of a heat generator like a heate exchanger 16; - by the steam generator like a heat exchanger 16 which uses as a heating fluid, the combustion gases from the explosion motors. To the

approximate temperature of 400 / 800 °C , Unked to the heater 12 on the combustion gases alimentation circuit 13; said steam generator 16 is able to produce a quantity of steam equivalent to a 30% mixture (about 10%) in the weight of the combustible mass + water (steam status) operates on a pressure of 1 bar (about 10%) provides steam at 120 °C (about 10%) and expects two level sensors 17, which operate the three way solenoid valve 14 automatically to keep the level of the water in the generator between a maximum and a minimum; - by Une 18 of feeding the steam to the admission collector to the explosion motor 1, derived from the exit of the steam generator 16 and which has a regulating valve 19 in cercated (fig. 2) commanded synchronalized by the

acceleration of the motor to the explosion 1, so that the measured steam aUmentation + air + combustible (comburent mixture) to keep great calculated conditions;

- by a second three way manual solenoid valve 20 intercalated on the cicuit 13 of the combustion exhausting gases, an exit from which the alimentation of gases 18 linked to, the heat exchanger of the steam generator 16 and the other exit to an escaping tube line 21, in which it is assembled the gases exit of the heat exchanger of the heater 12 and which has a silent piece 22 intercalated.

This way the pump 11 feeds the water from the tank 10 until the heater 12, which is pre heated at about 50 °C by mixing with the one supplied by the returning circuit 15. In the heater 12, the water is heated at about 90° C because of the heat exchange whith the combustion gas derived from the motor 1 and passes in the heat generator 16. Also in this, through the heat exchange with the combustion gases of the motor 1, the water is heated until it reaches the steam status with

a temperature of about 120° C (about 10%) and the pressure of 1 bar and supplied, by a Une 18 and a regulating value 19, controlled by the accelerator, to the admission coUector of the explosion motor 1, where it gets mixed with the mixture air + combustible, this composed by the usual meas of the explosion motor 1, forming this way the explosion motor 1 steam + air combustible, which is supUeied to the combustion cameras of the motor 1 throuch usual means of the same.

The regulating value 19 (fig. 2) which is part of the equipment is formed substantially by: a body of value 30; an entrance 31 and an exit 32 for the steam; and by regulating means 33 subjected to the accelerator of the motor 1.

Claims

CLAIMS 1) "PROCESS OF BURNING COMBURENT HIDROGASEOUS MIXTURE IN EXPLOSION MOTORS. COMBURENT HIDROGASEOUS USED IN THE PROCESS AND EQUIPMENT FOR OBTAINING A STEAM PHASE USED IN THE PROCESS OF BURNING A COMBURENT HIDROGASEOUS MIXTURE" Characterized by the steps of:

1 ) Obtaintion of gaseous phase airt combustible through the usual means fo the explosion means; 2) Obtaintion of steam water phase, to the pressure of 1 bar and the temperature of 120°C (about 10%) through the heat generator, using as heating fluid the motor gases at a temperature between 400 and 800°C according to the type of the motor and the used gases, and using suitable kept water to be used in the process; 3) Obtantion of the hidrogaseous carburant mixture (air + combustible + water steam) comprising the introduction of the gaseous air phase + ci iilmr.tible in the admission collector of the motor to the explosion through the usual n;:;ms of the motor and the introduction of the steam phase synchronred in relation to the

t'j'v.us phase air + combustible, through a commanded value by the accelerator of the explosion motor, to a rantge selected to keep the optimization conditions calulaing in view of the features of the motors; and

4) Through the usual circles and means of the explosion motors (in case of gasoline motors or alchool motors of four phases: admission, compressioon, exposition, exahusting) alimentation step of the hidrogaseous comburent mixture (air + combustible + water steam) obtailad in the cameras of combustion of the explosion motors, where the burning reactions are conducted, of the combustible un der high pressure and in a atmosphere composed by the incorporated air in the phase (1) of obtaining the gaseous mixture air + combustible and by the water steam incorporated on phase (2) of obtation of the steam.

2) "PROCESS OF BURNING COMBURENT HIDROGASEOUS MIXTURE IN EXPLOSION MOTORS, COMBURENT HIDROGASEOUS USED IN THE PROCESS AND EQUIPMENT FOR OBTAINING A STEAM PHASE USED IN THE PROCESS OF BURNING A COMBURENT HIDROGASEOUS MIXTURE" as claimed in 1, characterized by the fact that the water steam introduced in the motor's admission camera is selected to put the feeding air in the saturation condition to the condensation condition (dew.point); so that the quantity of conducted water by the air represent a proporsion of 40% (about 10%) the rnixture water + combustible; for the calburant temperature reaches 40° C (about 10%); for the supplied water to participate directly in the combustion, providing a heat liberation of reacting the same value of the pure combustible; so that the obtailed flame temperature is at the same level of the nominal specifications of the motor; in order to occur an increase of the water steam in the gases of 37,9% (from 9 to 12, 41

mols) of water, increasing the explosive power of the carburant rnixture for to that the water introduction produces an antderonating effect, witch increase the pressure beyond 40%, in order to have a complete burning of the carburant mixture and it decreases the emission of the polluents, carbon monox and nitrogen oxide at low levels. 3)"PROCESS OF BURNING COMBURENT HIDROGASEOUS MTXTURE IN EXPLOSION MOTORS, COMBURENT HIDROGASEOUS USED IN THE PROCESS AND EQUIPMENT FOR OBTAINING A STEAM PHASE USED IN THE PROCESS 17

OF BURNING A COMBURENT HIDROGASEOUS MIXTURE" as claimed in 2, characterized by the fact that, the feeding water of the steam generator is pre-heated at a te peratture of 90° C (about 10%), through a circulation pump and a heat exchanger which uses the escaping of the combustion gasesi after their passages tarough the steam > generator.

4)"PROCESS OF BURNING COMBURENT HIDROGASEOUS MIXTURE IN EXPLOSION MOTORS, COMBURENT HIDROGASEOUS USED IN THE PROCESS AND EQUIPMENT FOR OBTAINING A STEAM PHASE USED IN THE PROCESS OF BURNING A COMBURENT HIDROGASEOUS MIXTURE" as claimed in 3, characterized by the fact that the combustible may be gasoline or alchool or diesel or vegetal oils or kerosene or others that may be used in explosion motors. 5)"PROCESS OF BURNING COMBURENT HIDROGASEOUS MIXTURE IN EXPLOSION MOTORS, COMBURENT HIDROGASEOUS USED IN THE PROCESS AND EQUIPMENT FOR OBTAINING A STEAM PHASE USED IN THE 5 PROCESS OF BURNING A COMBURENT HIDROGASEOUS MIXTURE" as claimed in 4, characterized by the fact that the explosion motor is the type of cicleo to or diesel or

turbine.

6)"PROCESS OF BURNING COMBURENT HIDROGASEOUS MIXTURE IN EXPLOSION MOTORS, COMBURENT HIDROGASEOUS USED IN THE PROCESS 0 AND EQUIPMENT FOR OBTAINING A STEAM PHASE USED IN THE PROCESS OF BURNING A COMBURENT HIDROGASEOUS MIXTURE" as claimed in 5, characterized by the fact that for direct injection motors or turbines, the steam is mixed with the air of combustion duly reduced, to keep the stolcalmetric necessary conditions. 7) "PROCESS OF BURNING COMBURENT HIDROGASEOUS MIXTURE IN EXPLOSION MOTORS, COMBURENT HIDROGASEOUS USED IN THE PROCESS AND EQUIPMENT FOR OBTAINING A STEAM PHASE USED IN THE PROCESS OF BURNING A COMBURENT HIDROGASEOUS MIXTURE^,,obtained by the process as claimed in claims 1 to 6, characterized by the fact of being composed sυbstantialy by air + combustible + water steam the latter is saturated to a 1 bar pfressure (about 10%) and at a temperature of 120° C (about 10%), in accordance with the features of the explosion motors. 8)"PROCESS OF BURNING COMBURENT HIDROGASEOUS MIXTURE IN EXPLOSION MOTORS, COMBURENT HIDROGASEOUS USED IN THE PROCESS AND EQUIPMENT FOR OBTAINING A STEAM PHASE USED IN THE PROCESS OF BURNING A COMBURENT HIDROGASEOUS MIXTURE" as claimed in claims 1 to 6 which operates with an explosion motor (1) usual, cicleo to or diesel or turbine, gasoline or alchool motors or kerosene or vegetal oUs motors formed substantiaUy by the usual combustion cameras (2); combustible admissiol coUector (3); coUector of the combustible exhausting gases (4) girabreaking axle (5) and others and whose admission collector (3) presents a ellid linking to a suitable dispositive (6) of formation and alimentation of the gaseous misture air + combustible, characterized by the fact that said admission collector (3) presents a fluid linking to the present obtaintion equipment of comburent mixture the latter is formed by:

- a water tank (10) which is able to keep water to produce enough steam to burn 100% of the stored combustible;

- electrical centrifuge pump (11) able to supply the capacity of producine steam twice of the system and linked to the water tank exit (10); - a heater like a hgat exchanger (12) fed with water with a temperature

of about 50% tarough the pump (11), which heats the water until about 90°C and which uses as a heating fluid the combustion gases from the explosion motors (1) to the temperature of about 300°c (about 10%) fed by a circuit of combustion gases alimentation (13), derived from the exhausting collector of the explosion motor (1) and after said gases pass by a heat generator (16);

- by a first three way solenoid valve (14) placed on the heater exit heat exchanger (12) and with a first exit to a returning line (15) to the tank (10) and a second exit linked to the feeding of the steam generator (16);

- by the steam generator (16) which is like a heat exchanger which uses as a heating fluid, the combustion gases from the explosion motors to an approsimate temperature of about 400°C to 800°C linked to tag heater (12) on the aUmentation circuit of the combustion gases (13); said steam generator (16) is able to produce a steam quantity equipment to a mixture of 30% (about 10%) in the weight of the combustible mass + water (steam status) operates under a ebar pressure (about 10%), suppUed steam at 120°C (about 10%) and expects two level sensors (17) which operates the first three way solenoid value (14) automatically to keep the level of the water in the generator between a maximum and a minimum; - by line (18) for feeding the steam to the admission coUector of the explosion motor (1), derived from the exit of the steam generator (16) and which possesses a regulating value (19) commanded synchronized by the acceletator of the vehicle which contains the explosion motor (1) so that the quantity of the steam alimentation + air + combustible (comburent mixture) is in a way as to keep exceUent calculated conditions: and

- by a second manual three way solenoid value (20) intercalated on circuit (13) of the combustion gases exhaustation, an exit from which is linked to the gases alimentation of heat exchanging of the steam generator (16) and the other exit to a escaping line (21) in which the gases exit is linked to, of heat exchanging of the heater

(12) and has the silent device (22) intercalated.

9)"PROCESS OF BURNING COMBURENT HIDROGASEOUS MIXTURE IN

EXPLOSION MOTORS, COMBURENT HIDROGASEOUS USED IN THE PROCESS AND EQUIPMENT FOR OBTAINING A STEAM PHASE USED IN THE PROCESS

OF BURNING A COMBURENT HIDROGASEOUS MIXTURE" as claimed in 8, characterized by the fact thet the regulating value (19) is formed by: a value body (30) an entrance (31) and exit (32) to the steam; and by regulating means (33) subjected to the accelerator of the motor (1).