Ecological system exploiting kinetic energy in vehicles
11602997 · 2023-03-14
Assignee
Inventors
- Abdon Miguel Estefan Bellan (Madrid, ES)
- Carlos Mauricio Vargas Machado (Bogota, CO)
- Pedro Antonio Fino Puerto (Bogota, CO)
Cpc classification
Y02T10/7072
GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
B60W20/30
PERFORMING OPERATIONS; TRANSPORTING
B60K16/00
PERFORMING OPERATIONS; TRANSPORTING
B60W20/40
PERFORMING OPERATIONS; TRANSPORTING
B60W20/20
PERFORMING OPERATIONS; TRANSPORTING
International classification
B60L8/00
PERFORMING OPERATIONS; TRANSPORTING
B60K16/00
PERFORMING OPERATIONS; TRANSPORTING
B60W20/40
PERFORMING OPERATIONS; TRANSPORTING
B60W20/30
PERFORMING OPERATIONS; TRANSPORTING
Abstract
An ecological system for use in land or marine vehicles is provided, which uses wasted airmass making it to pass through two subsystems which allow lighten the load of the moving vehicle and generates electrical energy. Therefore, showing an economy in fuel, tires, and general maintenance savings, as well as a decrease of contaminants thrown to the environment.
Claims
1. An ecological system which uses kinetic energy of a moving vehicle, comprising: one or more devices which catch, guide, compress, accelerate and project an air flow in the moving vehicle; and—a first subsystem comprising one or more aerodynamic profiles that receive the air flow projected from the one or more devices, wherein the one or more aerodynamic profiles generate lifting on the vehicle, wherein the one or more devices are located at a front part of the system and comprise an input area and an output area, wherein the air flow penetrates the input area and is compressed, accelerated, and guided towards the output area, wherein the input area is greater than the output area such that air flow velocity is higher at the output area than at the input area, wherein said input area is arrangeable around the front part of the vehicle and wherein the one or more devices comprises additional articulation means which guide the air that enters through the front part of the system towards the output of the one or more devices and a laminar flow ejector of the one or more devices comprises rails on both sides and vertical walls, fastening means for assembly of the laminar flow ejector in the housing, a vertical support column for mounting and demounting the laminar flow ejector from the system, and a mechanical device for dragging the laminar flow ejector.
2. The ecological system according to claim 1, further comprising a second subsystem comprising one or more turbines that receive the air flow projected from the one or more devices, wherein the first and second subsystems can operate jointly or separately.
3. The ecological system according to claim 1, wherein said input area of the one or more devices is configurable as a function of the width of the vehicle in which the system operates.
4. The ecological system according to claim 1, wherein said input area of the one or more devices is configurable as a function of the height of the vehicle in which the system operates.
5. The ecological system according to claim 1, wherein the one or more devices further comprise one or more admission ports, a compression throttle and one or more exhaust ports.
6. The ecological system according to claim 5, wherein the one or more devices further comprise side walls extending from the one or more admission ports up to the one or more exhaust ports.
7. The ecological system according to claim 3, wherein the one or more devices further comprise upper compression walls and lower compression walls extending from said admission port to said exhaust port, with angle and length varying as a function of the morphology of the moving vehicle.
8. The ecological system according to claim 1, wherein the one or more devices further comprise one or more air intake control systems.
9. The ecological system according to claim 1, wherein the one or more air intake control systems comprise one or more grilles or a diaphragm.
10. The ecological system according to claim 1, wherein the one or more aerodynamic profiles comprise one or more wing tip devices.
11. The ecological system according to claim 10, wherein the one or more aerodynamic profiles further comprise one or more vortex generating devices.
12. The ecological system according to claim 10, wherein the one or more aerodynamic profiles further comprise one or more flow guides.
13. The ecological system according to claim 10, wherein the one or more aerodynamic profiles further comprise a lightened structure located within the one or more aerodynamic profiles.
14. The ecological system according to claim 10, wherein the one or more aerodynamic profiles are joined to the vehicle through fastening means.
15. The ecological system according to claim 14, wherein said fastening means are selected from side beams that penetrate as male in one or more dies of the vehicle, belts, cables, screws, bolts, nuts, fastening brooches and cords.
16. The ecological system according to claim 10, wherein the one or more aerodynamic profiles further comprise an external support structure which is supported over one or more wing tip devices which in turn transmit the force to side beams that penetrate as male in one or more dies of the vehicle.
17. The ecological system of claim 2, wherein the second subsystem comprises: a housing that encompasses the one or more turbines; one or more internal or external motors with respect to the one or more turbines; one or more internal or external transmission systems; one or more diffusor or noise cancelling elements; and one or more exhaust elements, wherein the one or more turbines are configurable to drive one or more electric energy generators through one or more transmission systems.
18. The ecological system according to claim 7, wherein one of the compression walls of said one or more devices is the vehicle's body.
19. The ecological system according to claim 18, wherein said compression wall is realizable as the lower wall.
20. The ecological system according to claim 1, wherein the laminar flow ejector having fix or variable areas.
21. The ecological system according to claim 1, wherein said articulation means comprise one or more flexible elements for air conduction.
22. The ecological system according to claim 21, wherein the laminar flow ejector of the one or more devices comprises a guide for the accelerated air to deliver a laminar flow towards the edge of the aerodynamic profile.
23. The ecological system according to claim 1, wherein the support column operates in a pneumatic, electric, mechanic, hydraulic or manually manner.
24. The ecological system according to claim 1, wherein the vehicle is selected among cars, buses, pickup trucks, box trucks, trains, boats, articulated and non-articulated trucks.
25. The ecological system according to claim 1, wherein the ecological system is adaptable to the vehicle.
26. The ecological system according to claim 1, wherein the ecological system is configurable as an integral part of the vehicle by means of a header containing the one or more devices.
27. The ecological system according to claim 26, wherein the one or more devices are configurable to be located laterally in the header of the vehicle.
28. The ecological system according to claim 26, further comprising flexible elements configurable for ranging from the top to the bottom of the vehicle.
Description
BRIEF DESCRIPTION OF THE FIGURES
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DETAILED DESCRIPTION OF THE INVENTION
(59) The present invention provides an ecological system (100) which uses kinetic energy for a moving vehicle (400). In this invention, the vehicle (400) is a device or apparatus which may have or not a motor or engine, that can move on earth, water or air and that is useful for transporting objects, animals or people. Said vehicle (400) is selected from cars, buses, pickup trucks, boxcars, trains, boats, articulated and non-articulated trucks.
(60) Preferably, the ecological system of the present invention comprises one or more devices (11-000) which guide, compress, accelerate and projects an airmass caught by the one or more devices (11-000) in the vehicle (400) when in movement, a first subsystem (12-000) which receives air flow projected from the one or more devices (11-000) towards one or more aerodynamic profiles (12-100) that generate lift to the vehicle, and a second subsystem (13-000) which receives the air flow projected from the one or more devices (11-000) towards one or more electric generator turbines, wherein the first subsystem and the second subsystem are able to jointly or separately work.
(61) The one or more devices (11-000) of the ecological system (100) is located at the front part of the system and attacks with an air input an air flow that enters and is compressed, accelerated and guided towards an output area, wherein the input area of the one or more devices (11-000) is bigger than the output area, such that the velocity of the air flow is substantially greater in the output area than in the input area. The input area of the one or more devices (11-000) is approximately the area of the front part of the vehicle and varies as a function of the width and height of the vehicle in which the system operates.
(62) In particular, the height of the input area of device (11-000) is higher or equal to around 10 cm. Preferably, is found within the range from around 10 cm to around 2.5 m.
(63) The one or more devices (11-000) further comprises one or more intake ports, a compression throat and one or more exhaust ports.
(64) The one or more devices (11-000) comprises one or more air intake control systems, such as a grille or diaphragm type (11-100) and further comprises side walls from one or more intake ports to one or more exhaust ports.
(65) In one embodiment of the invention, the one or more air intake control systems may comprise one or more grilles (11-100).
(66) In another embodiment of the invention, the one or more air intake control systems does not comprise grilles (11-100).
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(68) In one embodiment of the present invention, the compression wall (11-400) of device (11-000) is optionally the vehicle bodywork, being this compression wall the lower wall.
(69) This embodiment of the present invention uses the vehicles morphology as part of the device (11-000), and the shape of the vehicle contributes to air compression.
(70) Other embodiment of the present invention, such as is shown in
(71) Said articulation means (11-600) comprise one or more air guiding flexible elements (11-620). The laminar flow ejector (11-700) of device (11-000) comprises an accelerated-air guide to deliver laminar flow towards the Edge of the aerodynamic profile or subsystem (12-000). Among flexible elements there are, among others, bellows, composite or textile materials, or diaphragm type of elements.
(72) The first subsystem (12-000) of the ecological system of the present invention is a body of aerodynamic profiles (12-100) optionally comprising one or more wing tip devices (12-121) shown in
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(74) The ribs (12-111) are rigid structures adapted to the aerodynamic form which reduce the profile's weight without affecting its sturdiness, and the skin is adhered to the ribs (12-111) and altogether form the first subsystem (12-000).
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(76) In one embodiment of the invention the aerodynamic profile (12-100) is joined to the vehicle (400) by selected fastening means, without limitation, of the side beams (12-122) which penetrate as male in one or more dies (12-122a) of vehicle (400), belts, cables, screws, bolts, nuts, cords or fastening brooches.
(77) In one embodiment, the aerodynamic profile (12-100) optionally comprises a support external structure (12-120) which is supported on one or more wing tip devices (12-121) which in turn transmit the force to side or lateral beams (12-122) which penetrate as a male in one or more dies (12-122a) of the vehicle (400).
(78) The aerodynamic profile (12-100) comprises the combination of elements as hyper lifting devices (12-150), wing tip devices (12-121), side beams (12-122), lightened structure (12-110) and flow guides (12-140).
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(82) The housing (13-100) encompasses the turbines (13-200) which allow the electric energy generation, the housing (13-100) is a structure built in its outside in a rigid material and in its inside is a structure preferable of the honeycomb type to mitigate noise produced by the turbines (13-200). Said housing (13-100) has displacement means, preferably one or more rails, on its side walls so that said subsystem can be retracted and thus facilitate its uninstalling and transporting. Turbines (13-200) can be longitudinal or axial type as shown in
(83) In a preferred embodiment turbines (13-200) are wind turbines which compress striking air, and address it towards the air exhaust elements (13-900) and to the noise cancelling elements (13-700), turbines (13-200) rotate in opposite directions, additionally, as the air strikes with their Blades a coil in the center of the turbine (13-200) rotates and induces electron flow in an axle supported in the housing wherein energy is distributed to converters or to energy storage batteries (13-310), shown in
(84) Noise cancelling elements (13-700) corresponds to a sheet which mixes air Flow inside the turbines (13-200) facing it and allowing that the sound waves generated when air is compressed find each other and cancel each other.
(85) In other embodiment of the invention, the first subsystem (12-000) and the second subsystem (13-000) of the ecological system (100) operate together. For example,
(86) In another embodiment of the invention, subsystems (13-000) and (12-000) separately operate within the ecological system (100).
(87) For example, an ecological system embodiment has a device (11-000) which guides, compresses, accelerates and projects an airmass caught by device (11-000) in the moving vehicle (400), and a subsystem (12-000) receiving projected air flow from the device (11-000) towards an aerodynamic profile (12-100) which generates lifting to the vehicle (400).
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(94) Said rails allow the first subsystem (12-000) to slid inwards of the device (11-000) when demounting the container and/or trailer is carried out.
(95) The support column operates in a pneumatic, electric, mechanic or manual manner and allows holding the system when is removed from the container or box truck.
(96) The vertical support column useful to install the system is located on the chassis of the vehicle (400) to distribute the force and is conveniently located to serve as support when the system is removed from the container or box truck, without its presence obstructing or affecting the movement or natural rotation of the head of the vehicle (400) with respect to the container or trailer.
(97) In a preferred embodiment, the fastening means are moorings that fasten the system to the container or the articulated truck, and preferably consists in one or more cinches.
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(99) In another embodiment, the ecological system (100) comprises the device (11-000) that guides, compresses, accelerates and projects an airmass caught by the device (11-000) in the moving vehicle (400), and the second subsystem (13-000) receiving the air flow projected from the device (11-000) towards one or more electric energy generating turbines (13-200). This embodiment uses the air stream to generate electric energy that can be stored and used to feed the vehicle (400) as such.
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(104) In these figures it can be seen the sealing elements (13-800) and the exhaust elements (13-900).
(105) The sealing elements (13-800) are an inverted cone-shaped structure which creates a seal with the turbine (13-200) so that air can be compressed and transported towards the air exhaust elements (13-900) and noise cancelling elements (13700).
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(114) The ecological system (100) of the invention can be adapted to an existing vehicle (400). For example,
(115) In another embodiment of the invention the ecological system of the invention, it can be an integral part of a vehicle. For example, in
(116) The devices (14-100) are located laterally in the head (14-25 000) of the vehicle (400). These devices or air inlets (14-100) are internally connected to the device (11-000) to increase the air flow. These air intakes may or may not have grilles.
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(118) Next, we disclose some examples of the ecological system of the present invention, which in any way intend to be limitative but they intend to show the technical improvements and advantages of the invention.
(119) In these examples, the system of the present invention is addressed to moving vehicles (400) running at speeds from around 80 to around 120 km/h, in which desired lifts are reached such as shown in table 1.
(120) The ecological system of the present invention weighs around 550 kg, which can vary depending on the construction material and different embodiments and modifications that can be made and that are found within the scope of the invention.
(121) Said subsystem (12-000) or aerodynamic profile has a weight between around 200 and around 250 kg, which can also vary depending its construction material and modifications made and found within the scope of the invention. The system measured around 40 cm height, which complies with one of the objectives of the present invention which is providing a commercially feasible system and that complies with the international standards for load vehicles.
EXAMPLES
Example 1 (Lightening of the Weight of the Vehicle Through Lifting)
(122) Under international standard for load vehicles such as box trucks, articulated trucks, the maximum height of the vehicle is around 4 m, the maximum width is around 2.60 m and the minimum height of the gauge of the bridges is around 5 m, according to “AASHTO LRFD Bridge design Specifications” 6th ed. (2012) and “AASHTO LRFD” Bridge design Specifications 7th Ed. (2014).
(123) With a view to offer, a commercially feasible system and complying with existing vial infrastructure standards and the above mentioned, in this example aerodynamic profile type E 61 C.sub.l (Eppler 61) was selected, which shows an effective behavior for the functioning of the system without substantially altering vehicle dimensions, namely, height and concomitantly comply with the above-mentioned standards.
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(125) The aerodynamic profile type E 61 C.sub.l (Eppler 61) shows a lifting coefficient enough for generating a lift applicable to lighten the payload at achievable speeds for heavy load transportation. It is a profile that generates an ideal lifting with zero attack angle and therefore, this profile allowed significantly reduction the impact of using the system at the height of the vehicle.
(126) A comparison between a system of the state of the art without device (11-000) and an embodiment of the ecological system of the present invention comprising device (11-000) and the first subsystem (12-000) which receives the air flow projected from the device (11-000) towards an aerodynamic profile (12-100) which generates lightening the payload through lifting the moving vehicle was carried out for example 1. Design parameters at sea level and at 4,000 mosl were used.
(127) The desired lifting was obtained by decreasing the input area of device (11-000) from 4 to 1 so that the relation of output air velocity is four (4) times the impact air velocity against the subsystem (12-000) or aerodynamic profile.
(128) The following Table 1 and
(129) TABLE-US-00001 TABLE NO. 1 Vehicle speed A B C in km/hora (kgf) (kgf) (kgf) 0 0.00 0.00 .0 10 6.92 72.32 110.740 20 27.68 289.28 442.960 30 62.29 650.88 996.660 40 110.74 1157.12 1771.840 50 173.03 1808.00 2768.50 60 249.16 2603.52 3986.630 70 339.14 3543.68 5426.250 80 442.96 4628.47 7087.351 90 560.62 5857.91 8969.928 100 692.12 7231.99 11073.985 110 837.47 8750.71 13399.522 120 996.66 10414.07 15946.539
(130) According to the previous example, it was found that lifting generated by only using an aerodynamic profile at sea level and at a speed of 120 km/h reaches a maximum lift of 996.66 kgf, proving that the use of an aerodynamic profile with the system of the present invention comprising device (11-000) and subsystem (12-000) at a speed of 120 km/h under the same above mentioned conditions reaches a minimum lift of 10414.07 kgf and maximum 15946.54 kgf.
(131) With the system of the present invention a weight reduction of the transported load is obtained as was proven in Example 1 wherein lifts between 10414.07 kgf and up to 15946.54 kgf are obtained.
(132) The effect generated by the system at a speed of around 120 km/h at a height of 4000 m over sea level is therefore around 10000 Kg.
(133) Example 2 shows an impact analysis of such effect in view of economic and ecological conditions of load transportation.
Example 2 (Economy and Ecology of the System)
(134) This example 2 uses as reference was a truck tractor vehicle trademark Freightliner Cascadia with an engine Detroit DD15, and euro IV emissions were considered.
(135) The analysis was carried out for the same vehicle on 3 different routes in Europe:
(136) Route 1: Madrid—Paris, distance 1270 km
(137) Route 2: Frankfurt—Hamburg, distance 489 km
(138) Route 3: Marseille—Lavre, distance 1649 km
(139) Route 1 (Madrid—Paris) distance 1270 km and an average speed of 100 km/h:
(140) It was found that with one of the embodiments of the invention showing the system (device (11-000) and first subsystem (12-000) economy and ecology in fuel, general maintenance and tires was obtained, as shown in the following tables 2A and 2B.
(141) TABLE-US-00002 TABLE NO. 2 A (ROUTE 1 MADRID-PARIS) Route 1 Madrid-Paris Fuel* Maintenance Weight Value Fuel Maintenance/ Vehicle (Ton) Liters Efficiency liters (Euro) Km Cost Index A 20 893 0.703149 1.43 127.99 0.393 500 0.014 AD 10 727 0.572440 1.43 1039.61 0.354 450 0.012 Economy −166 −013070 0 −237.38 −0.039 −50 −0.001 % −19% −19% 0% −19% −10% −10% −9%
(142) TABLE-US-00003 TABLE NO. 2 B (RUTA 1 MADRID-PARIS) Route 1 MADRID-PARIS TIRES Weight Direc- Cost Vehicle (Ton) tional Traction Drag (Euro) A 20 0.0101 0.0141 0.0181 17.95 AD 10 0.0101 0.0127 0.0158 16.39 Economy 0 −0.0014 −0.0022 −1.55 % 0% −10% −13% −9%
(143) A=vehicle without the system
(144) AD=vehicle with the system of the invention
(145) T=Ton
(146) * Based in the fuel history of European Community for the day 27, August 2018.
(147) The results of Tables 2A and 2B provided the following conclusions: A decrease of 19% in fuel was obtained, computed in the total distance of 1270 km between the cities of Madrid (Spain) and Paris (France) which generates an economy of 237 euro/run. The use of the system of the invention would increase in the same percentage of 19% the autonomy of the self-moving in a route equal to route 1.
(148) Route 2 (Frankfurt—Hamburg) distance 489 km at an average speed of 100 km/h:
(149) It was found that with one of the embodiments of the invention showing the system (device (11-000) and subsystem (12-000)) economy and ecology in fuel, general maintenance and tires was obtained, as shown in the following tables 3A and table 3B.
(150) TABLE-US-00004 TABLE NO. 3A (Route 2 FRANKFURT-HAMBURGO) Route 2 Fuel* FRANKFURT-HAMBURG Value Maintenance Weight liters/ Maintenance/ Cost Vehícle (Ton) Liters Effciency (Euro) Fuel Km (Euro) Índex A 20 342 0.6993865 1.5 513 1.0224 500 0.0054 AD 10 280 0.572597 1.5 420 0.9202 450 0.0049 Economy −62 −0.12678 0 −93 −0.1022 −50 −0.004 % −18% −18% 0% −18% −10% −10% −9%
(151) TABLE-US-00005 TABLE NO. 3B (Route 2 FRANKFURT-HAMBURG) Route 2 FRANKFURT-HAMBURG TIRES Weight Direc- Cost Vehicle (Ton) tional Traction Drag (Euro) A 20 0.0039 0.0543 0.0698 2.66 AD 10 0.0039 0.00489 0.0061 2.431 Economy 0 −0.00054 −0.0087 −0.23 % 0% −10% −13% −9%
(152) A=vehicle without the system
(153) AD=vehicle with the system of the invention
(154) T=Ton
(155) * Based in the fuel history of European Community for the day 27, August 2018.
(156) The results of Tables 3A and 3B provided the following conclusions: A decrease of 18% in fuel was obtained, computed in the total distance of 489 km between the cities of Frankfurt (Germany) and Hamburg (France) which generates an economy of 93 euro/run. The use of the system of the invention would increase in the same percentage of 18% the autonomy of the self-moving in a route equal to route 2.
(157) Route 3 (Marseille—Lavre) distance 1649 km at an average speed of 100 km/h:
(158) It was found that with one of the embodiments of the invention showing the system (device (11-000) and subsystem (12-000)) economy and ecology in fuel, general maintenance and tires was obtained, as shown in the following tables 4A and 4B.
(159) TABLE-US-00006 TABLE NO. 4A (Ruta 3 MARSEILLE-LAVRE) Route 3 MARSEILLE-LAVRE Fuel* Maintenance Weight Value Maintenance/ Vehicle (Ton) Liters Effciency liters Fuel Km Cost Índex A 20 1155 0.700042 1.71 1975.05 0.30321 500 0.0054 AD 10 946 0.573681 1.71 1617.66 0.27728 450 0.0049 Economy −209 −0.12674 0 −357.39 −0.0303 −50 −0.00159 % −18% −18% 0% −18% −10% −10% −9%
(160) TABLE-US-00007 TABLE NO. 4B (Route 3 MARSELLA-LAVRE) ROUTE 3 MARSEILLE-LAVRE TIRES Weight Direc- Vehicle (Ton) tional Traction Drag Cost A 20 0.01832 0.01832 0.0235 30.27 AD 10 0.01649 0.0164 0.0206 27.64 Economy 0 −0.00183 −0.0294 −2.625 % 0% −10% −13% −9%
(161) A=vehicle without the system
(162) AD=vehicle with the system of the invention
(163) T=Ton
(164) * Based in the fuel history of European Community for the day 27, August 2018.
(165) The results of Tables 4A and 4B provided the following conclusions: A decrease of 18% in fuel was obtained, computed in the total distance of 1649 km between the cities of Marseille and Lavre which generates an economy of 357 euro/run. The use of the system of the invention would increase in the same percentage of 18% the autonomy of the self-moving in a route equal to route 3.
Example 3 (Energy Generation)
(166) Example 3 uses as reference a Cummins Aeos vehicle, it is a truck tractor with 100% electric propulsion.
(167) The maximum capacity of the vehicle is 8 tons in weight, and its autonomy is 160 km, with a battery of 140 kw/h.
(168) In this example, it is shown that when the system of the present invention is installed using the embodiment (device (11-000) and subsystem (13-000)) in a medium range of 100 km/h, using the route Madrid—Valladolid having an average distance of 190 km, the following data were obtained and shown in table No. 5:
(169) TABLE-US-00008 TABLE NO. 5 Route From: Madrid To: Valladolid ENERGY Weight Distance Time Speed Autonomy Loading Time Vehicle (tons) (km) (hour) kw/h (km/h) hours (hour) AP 8 160 140 100 52.5 0 A 8 190 1.1875 140 100 71.25 60 AE 8 190 150.3 100 76.49 30 Additional 10.3 −23.99 autonomy % 7%/hour 7%/hour AP: Refers to the articulated truck cummins (statistic data found). A: Refers to the articulated truck without the system of the present invention. AE: Refers to the articulated truck with the system of the present invention.
(170) From the results obtained in this example and taking into account the autonomy of vehicle A (without the system), for route (Madrid-Valladolid) it was found that the vehicle would require an average recharge of one (1) hour in the route to arrive to its destination, thus this would increase the delivery timing, and the operative efficiency of the transport equipment.
(171) With the ecological system of the invention (Device (11-000) and subsystem (13-000)) additional 10 kwh can be obtained, thus every hour vehicle AE operates, an average increase of around 7% in autonomy of the vehicle each hour the vehicle is moving can be obtained.
Example 3 A (Contaminant Emissions Reduction (gCO2/Km)
(172) In this example the reference is an articulated truck tractor vehicle Freighliner Cascadia having an engine Detroit DD15 and contaminant emissions standard Euro IV was considered.
(173) The emissions mean for Diesel was used as statistical data, as this is the type of fuel more used commercially for this type of vehicle, today. Diesel: 2.61 kg of CO2/liter
(174) It was found that with one of the embodiments of the invention showing the system (device (11-000) and subsystem (12-000)) a reduction in contaminant emissions of around 11 to 13% was obtained compared with vehicles without the system of the present invention such as shown in the following table 6.
(175) Emissions as a function of traveled distance vary depending of multiple factors, such as for example the characteristics of the vehicle, allowed speed and road morphology. Table 6 shows emision factors (g CO2/km).
(176) TABLE-US-00009 TABLE NO. 6 Emissions against speed (gCO2/km) Vehicle Type 12 km/h 54 km/h 84 km/h A Diesel Rigid 14 TON 788 397 410 AD truck Rigid 24 TON 1629 487 470 B Articulated 24 TON 1784 573 527 BD Articulated 34 TON 2147 666 590 Note: All above data were obtained from Cataluña Office for the weather change, practical guide for greenhouse effect emission gases computing. A: Refers to the vehicle with the system of the present invention. AD: Refers to the vehicle without the system of the present invention. B: Refers to the vehicle with the system of the present invention BD: Refers to the vehicle without the system
(177) Table 6 shows vehicle A and vehicle B, which move in a route carrying different weights and traveling at a constant average speed in three different sceneries: Urban speed (12 km/h) Intermediate road speed (54 km/h) Highway speed (84 km/h)
(178) The results in Table 6 show the following conclusions: For an average speed of 84 km/h, the system of the present invention allows 11% emission reduction (gCO2/km) of articulated vehicle B compared with vehicle BD which does not have the system of the present invention. For an average speed of 84 km/hora, the system of the present invention allows 13% reduction of emissions (gCO2/km) of vehicle A compared with vehicle AD which do not have the system of the present invention.
(179) Although above figures describe different embodiments of the invention, and examples are provided showing some of technical effects and advantages of the invention, the present invention is not limited by said figures and examples because other embodiments of the invention can lay within the scope of the invention such is defined in the following claims.