WO2015193906A1 - Véhicule à haut rendement énergétique ayant un système de transmission de puissance - Google Patents

Véhicule à haut rendement énergétique ayant un système de transmission de puissance Download PDF

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Publication number
WO2015193906A1
WO2015193906A1 PCT/IN2014/000517 IN2014000517W WO2015193906A1 WO 2015193906 A1 WO2015193906 A1 WO 2015193906A1 IN 2014000517 W IN2014000517 W IN 2014000517W WO 2015193906 A1 WO2015193906 A1 WO 2015193906A1
Authority
WO
WIPO (PCT)
Prior art keywords
engines
power transmission
fuel efficient
efficient vehicle
power
Prior art date
Application number
PCT/IN2014/000517
Other languages
English (en)
Inventor
Pobi PARTHA
Original Assignee
Sibnath Maity
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sibnath Maity filed Critical Sibnath Maity
Publication of WO2015193906A1 publication Critical patent/WO2015193906A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B73/00—Combinations of two or more engines, not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/26—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, of type of freewheel device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
    • B60K5/08—Arrangement or mounting of internal-combustion or jet-propulsion units comprising more than one engine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D25/00—Controlling two or more co-operating engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
    • F02D29/02—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving vehicles; peculiar to engines driving variable pitch propellers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B21/00—Combinations of two or more machines or engines

Definitions

  • This invention relates to a highly fuel efficient vehicle having a power transmission system and in particular, this invention relates to a highly fuel efficient vehicle with a combination of a pair of engines which is being operated separately in synchronization either individually or collectively as and when required with judicious power transmission system. More particularly, this present invention relates to a highly fuel efficient vehicle which can be operated by two numbers of low powered engines or by one low powered engine based on output load required. Furthermore, this invention also relates to a highly fuel efficient vehicle which has the beneficial effects of simple structure and the economic benefit is greatly improved, so that the eco-friendly car has the advantages of high efficiency, fuel saving, environmental friendliness and economy.
  • valve control mechanisms have been suggested for controlling the operation or non-operation of the valves for preselected cylinders of an engine of the over head valve type.
  • the document GB 1421 172 illustrates the use of a first and second crankshaft and associated pistons, with clutch means for drivingly engaging and synchronizing crankshafts, but limited to an improvement in starting only, without regard to means for disengaging under load.
  • the patent document US4512301 states that an internal combustion engine provided with a plurality of independent engine units in which one or more engine units are selectively used in accordance with driving conditions of a vehicle driven by the engine.
  • the other document DE3152650 discloses a plurality of internal combustion engines are installed independently of one another, at least one internal combustion engine is constantly connected to an output shaft as a main power source, the other internal combustion engine is connected through a clutch to the output shaft as an auxiliary power source, and the starting timing of the auxiliary power source is set before the engagement of the clutch by a controlling means which detects the state of acceleration of the main power source when the auxiliary power source cooperates with the main power source in response to the load state.
  • an improved hybrid electric vehicle includes an internal combustion engine and an electric motor. Both the motor and the engine provide torque to drive the vehicle directly through a controllable torque transfer unit.
  • the electric motor alone drives the vehicle, using power stored in batteries; under acceleration and during hill climbing both the engine and the motor provide torque to drive the vehicle; and in steady state highway cruising, the internal combustion engine alone drives the vehicle.
  • the internal combustion engine is sized to operate at or near its maximum fuel efficiency during highway cruising.
  • the motor is operable as a generator to charge the batteries as needed operates at significantly lower currents and higher voltages than conventionally and has a rated power at least equal to that of the internal combustion engine. In this manner a cost efficient vehicle is provided, suffering no performance disadvantage compared to conventional vehicles.
  • the document US4439989 describes an internal combustion engine comprising a primary engine unit and an auxiliary engine unit, in which a clutch of the auxiliary engine unit is engaged at a proper phase difference between both engine units.
  • internal combustion engine provided with a plurality of power units, wherein two power unit are housed within a single internal combustion engines for better performance of engine.
  • primary unit supplies the power when the load is low.
  • the auxiliary unit starts at a particular phase difference.
  • This internal combustion engine has two separate transmission system within engine having an additional clutch system before flywheel. When the engine is used on a vehicle it will require another clutch system between flywheel of engine and gearbox of vehicle. It makes the entire system very complicated and cumbersome.
  • an automotive vehicle having improved fuel economy is equipped with a drive system having a primary smaller size and better fuel economy than the primary engine.
  • the primary engine is adapted to take the vehicle to its cruising speed, at which point the auxiliary engine is activated and interacts by way of an automatic clutch system to power the vehicle while the primary engine is disconnected from the drive system and throttled down.
  • the system includes means for operating the engines at a proper phase difference of, preferably, 180 degrees to prevent unwanted vibrations.
  • This system is complex and is not readily adaptable for use in automotive vehicles, particularly for the particular purpose of improving fuel efficiency which has been stated in document of patent application US 4439989.
  • the document US4392393 states to obtain for a vehicle equipped with a pair of driving engines and a torque converter having a capacity sufficient to absorb the combined peak torque of the engines at combined peak torque speed, a dual engine drive including a planetary gear set operative to provide direct drive between the engines and the torque converter when both engines are operating and to provide gear reduction between the engines and the torque converter when only one engine is operating.
  • the gear ratio of the planetary set is the input torque to the torque converter so that the output of the one remaining engine is more efficiently matched to the torque converter.
  • the invention stated in US6179078 discloses the invention which relates to discloses a fuel-efficient and inexpensive automobile having two engines, each coupled to a drive wheel by way of a continuously variable ratio torque converter. Both engines are used for acceleration or hill-climbing, then either engine is used for economical cruising.
  • One disadvantage of this system is the limited power capacity and speed range of current continuously variable ratio torque converters, especially when used for acceleration and hill-climbing.
  • the other document US4588040 provide a triple hybrid power system for driving a motor vehicle utilizing an internal combustion engine to drive an electric generator to charge a bank of batteries that provide electrical energy to drive an electric motor/generator that supplies power to a planetary gear set from which power is directed through a variable drive transmission to drive the wheels of the vehicle, a flywheel is used to apply periodic power through the planetary gear set to provide added power for acceleration, with a speed regulator disposed between the flywheel and the planetary gear set to maintain a substantially constant input speed that facilitates operation of the operable to apply regenerative braking energy back through the planetary gear set to recharge the flywheel and, through to motor/generator, to recharge the batteries.
  • the internal combustion engine can be applied directly to power the vehicle at optimum efficiency with the motor/generator and flywheel disengaged.
  • the other document 173/DEL/2008 describes twin engine fuel efficient car which is propelled on the highways by small capacity engine mounted at the rear of the car and synchronized with rear wheel and accelerator paddle and the main front engine is switched off on the highways.
  • this present invention relates to a highly fuel efficient vehicle which can be operated by two numbers of low powered engines or by one low powered engine based on output load required. Furthermore, this invention also relates to a highly fuel efficient vehicle which has the beneficial effects of simple structure and the economic benefit is greatly improved, so that the eco-friendly car has the advantages of high efficiency, fuel saving, environmental friendliness and economy.
  • the principal object of the invention is to provide a highly fuel efficient vehicle having a power transmission system.
  • the other embodiment of the invention is to provide a highly fuel efficient vehicle with a combination of a pair of engines which is being operated separately in synchronization either individually or collectively as and when required with judicious power transmission system by freewheel mechanism.
  • the other embodiment of the invention is to provide a highly fuel efficient vehicle which can be operated by two numbers of low powered engines or by one low powered engine based on output load required.
  • the other embodiment of the invention is to provide a highly fuel efficient vehicle which has power transmission system through single clutch and differential system.
  • the other embodiment of the invention is to provide a highly fuel efficient vehicle which has the beneficial effects of simple structure and the economic benefit is greatly improved, so that the eco-friendly car has the advantages of high efficiency, fuel saving, environmental friendliness and economy.
  • the other embodiment of the invention is to a highly fuel efficient vehicle wherein inspite of the two engines, the control of the vehicle is through one set of control levers and can be operated by one driver as in a normal car.
  • the other embodiment of the invention is to a highly fuel efficient vehicle which has the beneficial effects of having safety and reliability.
  • the other embodiment of the invention is to provide an electricity generating device that has the advantages of simple structure and the like and time-saving.
  • FIG. 1 illustrates schematic diagrams of the power transmission system of the highly fuel efficient vehicle of the present invention
  • the highly fuel efficient vehicle having a power transmission system which comprises a pair of engines being operated separately in synchronization either individually or collectively as and when required with judicious power transmission system which comprises engines (1 and 2), main chassis (18) and diesel or CNG.
  • the fuel can be stored in fuel tank (29) and can be supplied to both engines (1&2).
  • the Figure 1 illustrates the entire transmission system of the highly fuel efficient vehicle.
  • Two separate gasoline Internal Combustion Engines (1 & 2) are mounted. on main chassis (18) of the car. From engines power is transmitted to input shaft (8) of clutch cum gear box assembly (9) through fixed sprockets (30&31), chains (3&4) and free wheeled sprockets (5& 6).
  • the engines (1 &2) can supply power individually or together to the rear wheels (13 &14) through fixed sprockets (30&31), chains (3&4), (7), differential gear box (10), and the rear axles (1 1 & 12) respectively, the fuel is supplied to engines (1 &2) from a single fuel tank (29).
  • the front wheels (15&16) are steered with the help of steering mechanism (22) and steering (23).
  • the movement of vehicle can be controlled by single set of foot pedals of accelerator (25), Brake (26) and Clutch (27).
  • the gear lever (28) is operated by hand for changing the gears during speed changes.
  • chassis suitable for four wheeled light weight passenger vehicle, capable to carry the load of maximum four persons.
  • Two numbers of 7 HP petrol engines were fitted on the chassis and the judicious transmission system was made with pair of chain- freewheeled sprocket, one set of clutch cum four stage gear box assembly, one set of differential and two numbers of rear axles, which can transmit power to both the rear wheels.
  • Front wheels were mounted on front axles, which can be steered with the help of a steering system.
  • One petrol tank was fitted to supply petrol to both the engines.
  • Suitable link arrangement was made to accelerate both the engine by single foot operated accelerator pedal.
  • Two different self start switches were mounted on the dashboard to start and stop the engines individually.
  • One set of drivers foot The entire vehicle was suitably covered with sheet metal.
  • the highly fuel efficient vehicle utilizes low power single engine when load on vehicle is lower and whenever requires for higher load, engines.
  • the highly fuel efficient vehicle leads to optimum power input based on load, i.e. higher mileage.
  • Power transmission components are very simple and has single clutch, single differential and free wheel mechanism for synchronizing both engines.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Arrangement Of Transmissions (AREA)

Abstract

Cette invention se rapporte à un véhicule à haut rendement énergétique possédant un système de transmission de puissance. Elle se rapporte en particulier à un véhicule à haut rendement énergétique avec une combinaison d'une paire de moteurs qui fonctionnent séparément en synchronisation soit individuelle soit collective si et lorsque cela est nécessaire avec un système de transmission de puissance judicieux. La présente invention concerne plus particulièrement un véhicule à haut rendement énergétique qui peut être actionné par deux moteurs de faible puissance ou par un seul moteur de faible puissance sur la base d'une sortie de charge requise. En outre, cette invention concerne également un véhicule à haut rendement énergétique qui présente l'avantage d'une structure simple et d'une économie considérablement améliorée, ce qui se traduit par un rendement, une économie de carburant, un respect de l'environnement et une économie élevés.
PCT/IN2014/000517 2014-06-19 2014-08-07 Véhicule à haut rendement énergétique ayant un système de transmission de puissance WO2015193906A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN664KO2014 2014-06-19
IN664/KOL/2014 2014-06-19

Publications (1)

Publication Number Publication Date
WO2015193906A1 true WO2015193906A1 (fr) 2015-12-23

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Application Number Title Priority Date Filing Date
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2251342A (en) * 1932-06-13 1941-08-05 Borg Warner Synchronizing free wheel transmission
US3977632A (en) * 1974-02-18 1976-08-31 Westland Aircraft Limited Helicopter power transmission systems
US6611748B2 (en) * 2001-01-08 2003-08-26 Safe Flight Instrument Corporation Engine synchronization system
US6722458B2 (en) * 2001-08-27 2004-04-20 Fev Motorentechnik Gmbh Multi-engine drive system for a vehicle
US7270030B1 (en) * 2005-04-01 2007-09-18 Belloso Gregorio M Transmission with multiple input ports for multiple-engine vehicles

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2251342A (en) * 1932-06-13 1941-08-05 Borg Warner Synchronizing free wheel transmission
US3977632A (en) * 1974-02-18 1976-08-31 Westland Aircraft Limited Helicopter power transmission systems
US6611748B2 (en) * 2001-01-08 2003-08-26 Safe Flight Instrument Corporation Engine synchronization system
US6722458B2 (en) * 2001-08-27 2004-04-20 Fev Motorentechnik Gmbh Multi-engine drive system for a vehicle
US7270030B1 (en) * 2005-04-01 2007-09-18 Belloso Gregorio M Transmission with multiple input ports for multiple-engine vehicles

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