WO2020170261A1

WO2020170261A1 - Fuel engine-electro drive system and method for road transport vehicles

Info

Publication number: WO2020170261A1
Application number: PCT/IN2019/000011
Authority: WO
Inventors: Meruva RAVIBABU
Original assignee: Ravibabu Meruva
Priority date: 2019-02-23
Filing date: 2019-05-06
Publication date: 2020-08-27

Abstract

The present invention 'Fuel engine-electro drive system and method for road transport vehicles' provides generation of driving force mechanism for road transport vehicles. The system includes the following components at least one each; 1) Fuel engine and/or solar power panel 2) AC and/or DC generator 3) AC motor and/or DC motor and/or BLDC motor. 4) Control system means is configured to control speed, direction of the vehicle. The method of this invention provides generation of driving force mechanism for road transport vehicles by following the steps comprising 1) Generation of AC and/or DC power by fuel engine and/or solar power to drive AC motor and/or DC motor and/or BLDC motor 2) Powered AC motor and/or DC motor and/or BLDC motor drives/rotates wheels of the vehicle.

Description

Title of Invention - Fuel engine-electro drive system and method for road transport vehicles.

Description

Field of invention

This invention relates to‘Fuel engine-electro drive system and method for road transport vehicles’. Particularly the present invention applies to improved method for generation of driving force mechanism for road transport vehicles by following the steps comprising 1 ) Generation of AC and/or DC power by power generator operated fuel engine and/or solar power to drive AC motor and/or DC motor and/or BLDC motor 2) Powered AC motor and/or DC motor and/or BLDC motor drives/rotates wheels of the vehicle thereby vehicle is moved. Particularly this invention relates to a . novel application of driving means for road transport vehicles, using the components of 1 ) Fuel engine and/or solar power panel 2) AC and/or DC generator 3) AC motor and/or DC motor and/or BLDC motor 4) Direction and speed control system. More particularly the invention reduces the weight/load of components used in the prior art vehicles, reduces number of rotating parts. In this invention, RPM of wheel doesn't depends on the RPM of engine. The invention provides improved mileage and reduced vehicle and maintenance cost and utilises non conventional solar energy when exposed to sun light. The present invention generally relates to mechanical and electrical engineering and its applications.

Background and prior art if any

Drive systems and method of present day transport vehicles are taken as prior art as they are approximately related to this invention. Prior art road transport vehicles are classified as 1 ) two. wheelers presently called as motor bikes and scooters, 2) three wheelers presently called as auto rickshaws 3) four wheelers presently called as cars and sport-utility vehicle (SUV) 4) multi wheelers called as buses, lorries and goods transport vehicles.

Drive system types for Road transport vehicles are classified as 1 ) Engine driven power transmission system 2) Battery driven electro drive system.

Engine driven power transmission system utilises power_. generated by engine to drive the wheels of the vehicles by means of ‘power transmission method . Battery driven electro drive system utilises power stored in the batteries to drive the wheels of the vehicle by means of the motor method. Problems of prior art and improvements over prior art

Main improvement to do over prior art is to improve the fuel efficiency. Various methods have been used to improve the fuel efficiency in prior art vehicles. Number of designs have been evolved to improve the fuel efficiency at high speed and at low speed; still there is need to improve further.This invention provides improved solution to improve the fuel efficiency as described in the brief.

Further problem is that battery driven electro drive system has to carry weight of battery along the drive, consumes huge energy to carry the battery along the vehicle. Also problem of battery driven electro drive system has to be charged frequently. One of the important problems of battery driven electro drive system needs replacement of batteries that is expensive. Serious problem in battery driven system is that battery fails unexpectedly. Battery driven prior art electro vehicle has limitation of speed and it is also due to loaded heavy weight of batteries resulting more consumption of energy.

Improvement to do on prior art fuel engine is to reduce number of components to simplify the maintenance. Further problem is that reciprocating power transmission engine consumes more fuel at higher speed because it has to burn more fuel in the chamber proportional to the RPM of the vehicle. At lower speed fuel efficiency/mileage is too low in respect of auto-mobile engines.

This invention resolves the problems listed in above prior art road transport vehicles.

Objects of the invention

Main object of this invention is to improve the fuel efficiency.

Further object is to reduce weight of the vehicle to save energy.

Also object is to eliminate need of frequent charging of battery without losing fuel efficiency.

Another object of the invention is to reduce number of components of drive system to simplify the maintenance. Further object is that maintaining the energy requirement almost uniformly at low RPM or at higher RPM (rotations per minute).

Object is to make the engine speed independent of the speed of the vehicle.

Object is to reduce weight of the vehicle by eliminating gear system and power transmission equipment. Another object is reducing the number of rotating components there by reducing the mechanical power transmission losses there by to reduce vehicle cost and maintenance cost.

Object is to make use of the solar energy as drive source without using heavy battery bank. Object is avoiding the need to go frequently for charging centre.

Another object is ability of Vehicle for long distance drive on solar power when vehicle is exposed in sunlight.

Solution to the problems by the invention

The present invention 'Fuel engine-electro drive system and method for road transport vehicles’ provides generation of driving force mechanism for road transport vehicles. The method of this invention provides generation of driving force mechanism for road transport vehicles by following the steps comprising

1 )Generation of AC and/or DC power by fuel engine and/or solar power to drive AC motor and/or DC motor and/or BLDC motor

2) Powered AC motor and/or DC motor and/or BLDC motor drives/rotates wheels of the vehicle.

Main object of this invention fuel efficiency is achieved by motor drive mechanism.

Further object of reducing weight of the vehicle is achieved as engine is used for electric power generation there by heavy engines and heavy battery not necessary.

Drive is independent of battery power source there by frequent charging of battery is not required.

Object is to make the engine speed independent of the speed of the vehicle.

Object is to reduce weight of the vehicle by eliminating gear system and power transmission equipment.

Another object is reducing the number of rotating components there by reducing the mechanical power transmission losses there by to reduce vehicle cost and maintenance cost. Object is to make use of the solar energy as drive source without using heavy battery bank. Object is avoiding the need to go frequently for charging centre.

No problem of sudden falling of drive battery voltage because it is not depending on battery source for driving vehicle because wheels are driven by motor. In the invention small capacity battery is used for starting the engine and for DC float to operate motor to drive the wheels. This invention is not Automobile drive system, hence problems of automobile drive system listed above are eliminated. This invention is not battery driven drive system, hence problems of battery drive system listed above are eliminated.

Solution to above object is that Motors are made to run on DC power to move vehicle by making use of solar energy taken from sunlight when vehicle is in sun light.

Statement of invention

This invention provides‘Fuel engine-electro drive system and method for road transport vehicles’. This invention provides the process of 1 ) Generation of AC and/or DC power by fuel engine and/or solar power to drive AC motor and/or DC motor and/or BLDC motor, then 2) Powered AC motor and/or DC motor and/or BLDC motor drives/rotates wheels of the vehicle thereby vehicle is moved.

This process comprises the following components with function are 1) Fuel engine and/or solar power panel 2) AC and/or DC generator 3) AC motor and/or DC motor and/or BLDC motor 4) Direction and speed control system. More particularly the invention reduces the weight/load of components, reduces number of rotating parts, delinks the wheels RPM with respect to engine RPM. The invention provides improved mileage and reduced vehicle and maintenance cost and utilises non conventional solar energy when exposed to sun light. The present invention generally relates to mechanical engineering, electrical engineering and its applications

Novel physical features of the invention

Very first feature of this invention is less vehicle weight compared to present day similar vehicles. Second feature is that less number of rotating parts. Third feature is that no batteries require except starting battery for engine and this starting battery is applied as float battery for driving motor. Applicability of this invention is for two wheeler to N wheeler where N is 2 to million. This invention can withhold load capacities varying from 1kg to 1000tons.

This invention is configurable for all kinds of present day vehicles. Another physical feature is that it works with internal combustion engine and also with solar generated DC current.

Another physical feature is that This invention works with solar energy produced by solar panels fixed over the vehicle in in open roads exposed to sun light.

Novel functional features and applications of the invention

Prime functional feature of this invention is increase of mileage per litre of fuel in comparison to mileage of present day vehicles. Another functional feature is that that fuel efficiency at low speed and higher speed of the vehicle will not vary much where as in present day vehicles variation is noticeably high. Improved ability to reach higher speed compared to present day gear vehicles. Invention is economical to varied amount of loads from one Kg to 1000 tons. Functional feature is that less number of rotating parts hence less expensive for maintenance. Functionally huge battery banks are not required as used in battery driven cars. Functionally simplified driving controls and improved vehicle safety.

Summary of invention

Purpose of this invention is to obtain advantages of fuel efficiency, improved safety, high speed travel and economical apparatus for driving the land transport vehicles.

Several embodiments of this system and method for safe and economical drive of transport vehicles are disclosed. The invention 'fuel engine-electro drive system and method for road transport vehicles' provides improved drive system for bicycles, bikes, cars and road transport vehicles.

This invention ‘Fuel engine-electro drive system and method for road transport vehicles’ centres on the innovative concept of rotating wheels by means of electrical motor driven by internal combustion engine and/or directly by solar energy.

This invention relates to‘Fuel engine-electro drive system and method for road transport vehicles'. Particularly the present invention applies to improved method for generation of driving force mechanism for road transport vehicles by following the steps comprising 1) Generation of AC and/or DC power by fuel engine and/or by solar power to drive AC motor and/or DC motor and/or BLDC motor 2) Powered AC motor and/or DC motor and/or BLDC motor drives/rotates wheels of the vehicle thereby vehicle is moved. Particularly this invention relates to a novel application of driving means for road transport vehicles, using the components of 1) Fuel engine and/or solar power panel 2) AC and/or DC generator 3) AC motor and/or DC motor and/or BLDC motor 4) Direction and speed control system. More particularly the invention reduces the weight/load of the components, reduces number of rotating parts, delinks the wheels RPM with respect to engine RPM. The invention provides improved mileage and reduced vehicle cost and maintenance cost and utilises non conventional solar energy when exposed to sun light. The present invention generally relates to mechanical engineering, electrical engineering and its applications.

This invention drives the vehicle without heavily loaded batteries and without heavy and rotating parts like gear system or power transfer system.

Fuel engine-electro drive system and method for road transport vehicles, said system being mounted on vehicle comprising:

At least one fuel engine means and/or solar power means; At least one electrical power generator means; Control system means connected to the wheels of the said vehicle for controlling speed and direction of said vehicle;At least one motor means connected to wheels to rotate the wheels of the said vehicle.

Fuel engine-electro drive system and method for road transport vehicles, according to claiml wherein said fuel engine means is internal combustion engine, said engine means connected mechanically to the said electrical power generator means by means of rotor to generate electrical power, wherein the generated power is AC and/or DC.

Fuel engine-electro drive system and method for road transport vehicles, according to claiml wherein said solar power means comprises solar panels mounted on the vehicle to generate DC current, output of the said solar power means is configured to output of the said electrical power generator by means of said control system means to drive the said motors means.

Fuel engine-electro drive system and method for road transport vehicles, according to claiml wherein said electrical power generator means is an alternator to generate AC current and/or DC generator to generate DC current, said generated power is connected electrically to motor means, said motor means mechanically configured to wheels of the vehicle such a way that when said motor means operated the said vehicle moves.

Fuel engine-electro drive system and method for road transport vehicles according to claim4 wherein said motor means is configured to draw power from said electrical power generator means and/or from said solar power means, said motor means is AC motor and/or DC motor and/or BLDC motor.

Fuel engine-electro drive system and method for _. road transport vehicles according to claim 1 wherein control system means is configured to control speed and direction of wheels of the vehicle and said control system is electrically connected to said electrical power generator means, and to said electrical motor means and mechanically coupled to wheels of the vehicle.

Fuel engine-electro drive system and method for road transport vehicles according to claiml wherein control system means is configured to a float battery, said float battery operates to start the engine and gets charged by said AC generator and/or by DC generator and/or by said solar power means.

Fuel engine-electro drive system and method for road transport vehicles, said method comprises:

a) Generation of AC and/or DC power by fuel engine means and/or solar power means to drive AC motor means and/or DC motor means and/or BLDC motor means, wherein said generated output is electrically connected to said AC motor means and/or said DC motor means and/or said BLDC motor means;

b) Said AC motor means and/or said DC motor means and/or said BLDC motor means mechanically connected to wheels such a way that when motor means operated wheels of the vehicle moves.

Preferred Embodiments of the invention (application of the solution)

The most preferred embodiment, internal combustion engine mechanically connected to electrical power generator. Internal combustion engine while working rotates shaft of the electrical power generator in turn electrical power is generated by electrical power generator. Electrical power generated by electrical power generator is electrically coupled to electrical motor which in turn mechanically connected to wheels of the vehicle. This invention ‘Fuel engine-electro drive system and method for road transport vehicles’ operates the engine which rotates the electrical power generator, the electrical power generated by electrical power generator operates the motors connected to wheels, operation of the said motors rotate the wheels of the vehicle there by vehicle is moved.

Applications of the solution; in the preferred embodiment invention is applicable to 1) Two wheelers of shapes bicycle, scooter, motor bike and sports bike in which wheels are rotated by motor which is operated by and electrically coupled to electrical power generator which is mechanically rotated by internal combustion engine. Internal combustion engine is connected to battery power source for starting the engine and for float DC power to operate the motors to drive the wheels.

Applications of the solution; in the preferred embodiment invention is applicable to 2) Vehicles of three wheelers of examples cycle rickshaws, auto rickshaws and other three wheel vehicles of heavy weight carriers.

Applications of the solution; In the preferred embodiment invention is applicable to 3) Four wheeled vehicles for example car, SUV (sports utility vehicle), four wheelers capable of carrying more number of persons, and four wheel van carrying men and/or goods.

Applications of the solution; In the preferred embodiment invention is applicable to 4) Vehicles of more than four wheels for examples Lorries, buses, higher capacity transport vehicles for men and/or goods, and trailer vehicles.

Number of motors and wheels used are not limiting factor of this invention.

In this method, electrical motors, fuel engine and power generators are used to produce advantage over the prior art vehicles. Electrical generator is AC generator and/or DC generator. Electrical motor is AC motor and/or DC motor. Fuel engine is internal combustion engine.

In the most preferred embodiment of this invention, this invention is advantageous than other vehicles used in prior art as described in the above mentioned‘solution to the problems of prior art vehicles’ there by all the problems mentioned in the prior art are solved. Hence this invention is novel with subject matter, non-obvious and useful for industrial application.

Brief description of the accompanying drawings

A clear understanding of the key features of the invention summarized above may be had by reference to the appended drawings, which illustrate‘Fuel engine-electro drive system and method for road transport vehicles’, although it will be understood that such drawings depict preferred embodiments of the invention and, therefore, are not to be considered as limiting its scope with regard to other embodiments which the invention is capable of contemplating. The described examples, together with the drawings, will make apparent to those skilled in the art how further forms of the invention may be realised. Accordingly:

The present invention will be understood more fully from the detailed description given herein after and from the accompanying drawings of the preferred embodiment of the present invention, which, however, should not be taken to be limitative to the invention, but are for explanation and understanding only.

Fig. 1 is an illustration of this invention 'Fuel engine-electro drive system and method for road transport vehicles’ showing simplified functional and schematic block diagram.

Fig. 2 is an illustration of this invention, illustrating a preferred embodiment of this invention 'Fuel engine-electro drive system and method for road transport vehicles’ when it is made to function, and to drive two-wheel vehicle.

Fig. 3 is an illustration of this invention, illustrating a preferred embodiment of this invention ‘Fuel engine-electro drive system and method for road transport vehicles’ when it is made to function inside the vehicle and to drive three-wheel vehicle.

Fig. 4 is an illustration of this invention, illustrating a preferred embodiment of this invention ‘Fuel engine-electro drive system and method for road transport vehicles’ when it is made to function and to drive four wheel vehicle.

Fig. 5 is an illustration of this invention illustrating a preferred embodiment of this invention ‘Fuel engine-electro drive system and method’ when it is made to function and to drive multiple wheel vehicle.

In all above diagrams, components are shown outside the said vehicle for more clarity and due to insufficient space to insert inside the vehicle. Diagrams are depicted for simplicity and for easy understanding only. Diagrammatic representation is not the limiting factor for the scope of the invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

The present invention will be discussed hereinafter in detail in terms of the preferred embodiment of the present invention with reference to the accompanying drawings. In the following detailed description, for the purpose of explanation, numerous specific details are set forth in order to provide a thorough understanding of the disclosed embodiments. It will be apparent, however that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are schematically shown in order to simplify the drawings. In other instance, well-known structures are not shown in detail in order to avoid unnecessary obscurity of the present invention.

Although the present invention has been illustrated and described with respect to exemplary embodiment thereof, it should be understood by those skilled in the art that the foregoing and various other changes, omission and additions may be made therein and thereto, without departing from the spirit and scope of the present invention. Therefore, the present invention should not be understood as limited to the specific embodiment set out above but to include all possible embodiments which can be embodied within a scope encompassed and equivalent thereof with respect to the feature set out in the appended claims.

For instance, while the foregoing discussion has been given for the components placed outside the vehicle without specific mention of the location, present invention is applicable for power source, electrical generator and motor mounted inside the vehicle. Needless to say, the configured position of the components are anywhere within the said road transport vehicle except for wheels which have specific places as mentioned in the description to suite architecture of vehicle. And also it is to mention that motor means AC motor or DC motor or BLDC motor. Electrical generator is AC generator and/or DC generator. Fuel engine is internal combustion engine.

According to the present invention, Fig 1 articulates the simplified functional and schematic block diagram of the invention‘Fuel engine-electro drive system and method for road transport vehicles'.

The drive system shown in Fig1 comprises internal combustion engine 1 10 mechanically coupled to electrical power generator 120 there by rotor of the electrical power generator is rotated by rotation of shaft of the internal combustion engine which in turn generates power generation by electrical power generator. Power generated by electrical power generator 120 is DC power and/or AC power depends on type of used electrical power generator 120 i.e. DC power generator and/or AC power generator respectively. Generated power is electrically connected to electrical motor 150 through power control panel 140. Power control panel 140 is configured functionally to control the speed of the motor 150: The said motor 150 is mechanically connected to the wheel 160 of the vehicle, there by speed of the wheel 160 is controlled by operation of the power control panel 140. Component 130 is a solar power panel; the electrical power output of the said solar panel is electrically connected to power control panel 140. The said electrical motor 150 is AC motor and/or DC motor depending on type of electrical power generated electrical power generator 120 used i.e. AC generator and/or DC generator respectively.

According to the present invention, Fig 1 , Wheel 160 is rotated by electrical motor 150. Electrical motor 150 is electrically operated by power control panel 140. Power control panel 140 is electrically connected from powers of electrical powers from electrical power generator 120 and solar power panel 130. In the sun light exposed condition said solar power generated by solar power panel 130 is sufficient enough to drive the electrical motor 150 to drive the wheel in turn to drive the vehicle. Start up battery (which is not shown in the diagram) connected to said internal combustion engine 110 works as float batter for power control panel 140. Said float battery is a secondary storage battery capable of taking power from electrical power generator 120 and power from solar power panel 130 to drive electrical motor 150.

According to the present invention, Fig 2 articulates the simplified functional and schematic block diagram of the invention 'Fuel engine-electro drive system and method for road transport vehicles’ when applied to two wheeled vehicle. All components shown in Fig2.i.e internal combustion engine 110, electrical power generator 120, solar power panel 130, and power control panel 140, electrical motor 150 are functionally work as described for fig 1 , physically and electrically connected as described in fig 1. Above said components are mounted inside the said vehicle, but shown outside in the diagram for simplicity only. In fig 2 electrical motors operate one and/or both the wheels of the vehicle.

According to the present invention, Fig 3 articulates the simplified functional and schematic block diagram of the invention 'Fuel engine^electro drive system and method for road transport vehicles' when applied to three wheeled vehicle. All components shown in Fig3.i.e internal combustion engine 1 10, electrical power generator 120, solar power panel 130, and power control panel 140, electrical motor 150 are functionally work as described for fig1 , physically and electrically connected as described in fig1. Above said components are mounted inside the said vehicle, but shown outside in the diagram for simplicity only. In fig 3 electrical motors operate one and/or all the three wheels of the vehicle.

According to the present invention, Fig 4 articulates the simplified functional and schematic block diagram of the invention‘Fuel engine-electro drive system and method for road transport vehicles’ when applied to three wheeled vehicle. All components shown in Fig4.i.e internal combustion engine 1 10, electrical power generator 120, solar power panel 130, and power control panel 140, electrical motor 150 are functionally work as described for fig 1 , physically and electrically connected as described in fig1. Above said components are mounted inside the said vehicle, but shown outside in the diagram for simplicity only. In fig 4 electrical motors operate one and/or all four wheels of the vehicle. Number of motors operating the wheels is not the limiting factor of the invention.

According to the present invention, Fig 5 articulates the simplified functional and schematic block diagram of the invention‘Fuel engine-electro drive system and method for road transport vehicles’ when applied to three wheeled vehicle. All components shown in FigS.i.e internal combustion engine 1 10, electrical power generator 120, solar power panel 130, and power control panel 140, electrical motor 150 are functionally work as described for fig 1 , physically and electrically connected as described in fig1. Above said components are mounted inside the said vehicle, but shown outside in the diagram for simplicity only. In fig 5 electrical motors operate one and/or all wheels of the vehicle. Number of motors operating the wheels is not the limiting factor of the invention.

Claims

1. Fuel engine-electro drive system and method for road transport vehicles, said system being mounted on vehicle comprising:

At least one fuel engine means and/or solar power means;

At least one electrical power generator means;

Control system means connected to the wheels of the said vehicle for controlling speed and direction of said vehicle;

At least one motor means connected to wheels to rotate the wheels of the said vehicle.

2. Fuel engine-electro drive system and method for road transport vehicles, according to claiml wherein said fuel engine means is internal combustion engine, said engine means connected mechanically to the said electrical power generator means by means of rotor to generate electrical power, wherein the generated power is AC and/or DC.

3. Fuel engine-electro drive system and method for road transport vehicles, according to claiml wherein said solar power means comprises solar panels mounted on the vehicle to generate DC current, output of the said solar power means is configured to output of the said electrical power generator by means of said control system means to drive the said motors means.

4. Fuel engine-electro drive system and method for road transport vehicles, according to claiml wherein said electrical power generator means is an alternator to generate AC current and/or DC generator to generate DC current, said generated power is connected electrically to motor means, said motor- means mechanically configured to .wheels of the vehicle such a way that when said motor means operated the said vehicle moves.

5. Fuel engine-electro drive system and method for road transport vehicles according to claim4 wherein said motor means is configured to draw power from said electrical power generator means and/or from said solar power means, said motor means is AC motor and/or DC motor and/or BLDC motor.

6. Fuel engine-electro drive system and method for road transport vehicles according to claiml wherein control system means is configured to control speed and direction of wheels of the vehicle and said control system is electrically connected to said electrical power generator means, and to said electrical motor means and mechanically coupled to wheels of the vehicle.

7. Fuel engine-electro drive system and method for road transport vehicles according to claiml wherein control system means is configured to a float battery, said float battery operates to start the engine and gets charged by said AC generator and/or by DC generator and/or by said solar power means.

8. Fuel engine-electro drive system and method for road transport vehicles, said method comprises: