WO2018234810A1

WO2018234810A1 - A dual fuel system for work vehicles

Info

Publication number: WO2018234810A1
Application number: PCT/GB2018/051732
Authority: WO
Inventors: Gupta SHEKHAR; Yadav NITIN; Dave ANUPAM; Dalela Saurabh; Das SAMIR; Arora Sanjeev
Original assignee: J.C. Bamford Excavators Ltd
Priority date: 2017-06-23
Filing date: 2018-06-21
Publication date: 2018-12-27
Also published as: RU2020101995A; RU2020101995A3

Abstract

The present invention relates to off-road vehicle and/or work vehicle that includes but not limited to backhoe loader, excavator utilizing compressed natural gas or gasoline or diesel or petroleum fuel or any combination thereof. A cabin (102) is placed on the chassis (106) of the backhoe loader (100). A first support bracket (104) is placed on the roof (114). An upper storage tank (108) is placed on the first support bracket (104). A lower storage tank (110) is attached to a second support bracket (112) that is further coupled to the chassis (106). The gas from the upper storage tank (108) and the lower storage tank (110) is goes to the engine through a common rail supply pipe (202). The gas is being filled into storage tank through the system of gas filling valve.

Description

A DUAL FUEL SYSTEM FOR WORK VEHICLES

FIELD OF THE INVENTION

[0001] The present invention relates to off-road vehicle and/or construction, earthmoving equipment and particularly to a work vehicle or working machine such as backhoe loader, excavator utilizing compressed natural gas or gasoline or diesel or petroleum fuel or any combination thereof.

BACKGROUND OF THE INVENTION

[0002] Work vehicles are involved in various types of construction work such as excavation, digging of earth at a larger scale, moving the dig material to another place, placement, compacting, levelling, dozing, grading and hauling. In the current time most of the work vehicles run on the conventional fuels. The work vehicle releases various harmful emissions. Emission from tailpipes of the vehicles goes straight to the atmosphere. Normally the work vehicles are designed to run on only one type of the fuel such as diesel or petroleum.

[0003] With the increasing awareness regard to emissions from vehicles, new work vehicle with alternative fuel system such as compressed natural gas has been developed, which significantly reduced the emission of harmful gases from the vehicles. But the challenge with the new work vehicle is to provide a compact and effective design which can work effectively with various combination of the alternative fuels and also does not need major change in the design whether in respect to the work vehicle engine design or the work vehicle overall design. The other problem lies with the space for the alternative fuel. The work vehicle size is compact and the fuel consumption is large plus the bigger space is needed for the alternative fuel such as compressed natural gas. Cylinder sizes for the compressed natural gas are larger than the diesel or petroleum reservoirs for a given amount of energy being stored, and become difficult to protect from wear and tear. So it become very important and challenging to keep the shape and structure of the work vehicle same and at the same time makes enough space for another the fuel storage cylinder/ reservoirs in the work vehicle.

[0004] The present invention is an advancement of already existing systems in this field of invention. None of the existing technology uses the system and the method that is disclosed in the present invention. OBJECTIVE OF THE INVENTION

[0005] The principal objective of the present invention is to design and develop compressed natural gas operated a work vehicle.

[0006] Yet another objective of the present invention is to reduce the emission of harmful gases from the work vehicle.

[0007] Yet another objective of the present invention is to decrease the dependency of the work vehicle on the diesel .

[0008] Another objective of the present invention is to design and develop the work vehicle which works only on compressed natural gas.

[0009] Another objective of the present invention is to operate the work vehicle on compressed natural gas as well as diesel .

[0010] Another objective of the present invention is to reduce the cost of operation the work vehicle by saving fuels.

[0011] Another object of the present invention is to achieve diesel substitution of about more than 80% in overall duty cycle of the work vehicle that comprises but limited to excavation, re-handling and roading .

[0012] Further objectives, advantages and features of the present invention will become apparent from the detailed description provided herein below, in which various embodiments of the disclosed invention are illustrated by way of example and appropriate reference to accompanying drawings.

SUMMARY OF THE INVENTION

[0013] An aspect of the present invention provides a worki ng machine, such as a backhoe loader, comprising a chassis, a ground engaging structure supporting the chassis, at least one working arm for performing a work function, and a prime mover operable by use of a first fuel or a n optional second fuel to move the working machine via the ground engaging structure and selectively operate the at least one working arm, wherein the working machine further comprises a mounting structure for mounting one or more storage vessels for the first fuel to an exterior location of the working machine.

[0014] The present applicant has found that in a multi-fuel machine, for example one that is operable using diesel as the second fuel, from a conventional fuel tank mounted e.g . to a side of the chassis, space is limited for mounting storage vessel(s) for the first fuel, and therefore it is beneficial to mount them on the exterior of the machine where they do not interfere with other machine functions.

[0015] Optionally, the mounting structure may be provided on an underside of the chassis, such that one or more storage vessels may be secured under and/or within the chassis. This location may be particularly beneficial as it would not usually interfere with operation of a working arm, the ground engaging structure, or operator visibility. It may also lower the centre of gravity of the machine and improve overall machine stability. In some embodiments, the configuration of the chassis may allow the vessel(s) to be wholly or partially recessed within the chassis (e.g . into a space between first and second longitudinal structural rails of the chassis) and minimise the degree to which the vessel(s) protrude below the level of the chassis, or to avoid protrusion altogether.

[0016] The ground engaging structure may comprise first and second wheels provided on a first side and second side of the chassis respectively, and the mounting structure may be provided in a location between the first and second wheels. In preferred embodiments, the first and second wheels may be rear wheels. In this location, the mounting structure and associated vessel(s) may be particularly well protected from external damage.

[0017] The working machine may further comprise an operator compartment, such as a cabin, having a roof and mounted directly or indirectly to the chassis. The mounting structure may be provided on an upper side of the roof. This location may be particularly beneficial as it would not usually interfere with operation of a working arm, the ground engaging structure, or operator visibility. Further, the roof may have a large surface area, making the mounting of multiple vessels feasible in this location.

[0018] Optionally a mounting structure may be provided both on the underside and/or within the chassis and on an upper side of the roof. Such an arrangement would maximise the capacity of the second fuel that the machine can carry.

[0019] In an embodiment the vessels for the first fuel may be storage tanks, such as storage tanks capable of holding a gas under pressure. Such tanks are generally of a cylindrical shape with domed ends in order to withstand the gas pressure. The mounting structure may be a support bracket of a suitable shape so as to securely hold one or more of such storage tanks in place.

[0020] The support bracket may be constructed so as to substantially permanently hold the vessel(s) in place, of may have a suitable mechanism to enable the vessel(s) to be released.

[0021] The storage tanks may hold gases or liquefied gases such as compressed natural gas (CNG) or biogas.

[0022] The machine may further comprise a supply system for the first fuel. This supply system may include a conduit such as a supply pipe or hose to allow the first fuel to flow from the vessel(s) to the prime mover. The supply system may also comprise one or more valves, such as shut off valves or pressure reducing valves. Where there are a plurality of vessels, the supply system may comprise a manifold arrangement to connect all of the vessels to the conduit.

[0023] The machine may further comprise a filling system for refilling the vessel(s) with the first fuel. The filling system may include a suitable connector to which a refuelling hose may be fitted, and optionally one or more filling valves, pressure gauges, safety switches or the like. It is preferred that the connector is located for convenient access to a user for refuelling, e.g. between a rear wheel of the machine and a stabiliser leg of the machine.

[0024] Another aspect of the present invention provides a mounting structure for mounting one or more storage vessels to an exterior location of a working machine, the storage vessels being for the storage of fuel to be supplied to a prime mover of the working machine, the mounting structure optionally comprising a first wall, a second wall, a third wall, a fourth wall, a first support wall, a second support wall, a first handle, a second handle and a third handle. The first wall may be parallel to the second wall and both are spaced apart. The third wall is parallel to the fourth wall and both are perpendicular to the first wall and the second wall. The first handle, the second handle and the third handle is being attached to the first wall, the third wall and the fourth wall respectively.

[0025] The vessel may be substantially cylindrical and the mounting structure may be provided with a groove or depression to assist with holding the cylinder in place. The groove or depression may have various shapes but not limited to a square, a semi circular curve, a trapezoidal, a V-shape and a U-shape.

[0026] Another aspect of the present invention relates to off-road vehicle and/or construction, earthmoving equipment and particularly, but not exclusively, to the work vehicle such as a backhoe loader which may include a cabin, a chassis, a first loader arm, a second loader arm, a loader bucket, a first hydraulic drive, a second hydraulic drive, a third hydraulic drive, a fourth hydraulic drive, an arm, a chassis column, a first link, a second link, a third link, a fourth link, a fifth link, a boom, a stabilizer leg, a first support bracket, an upper storage tank, a lower storage tank and a second support bracket. The cabin is being placed on the chassis. The chassis includes a front end and a back end. The pair of rear wheels is being provided on the either side of the chassis just below the cabin at the back end of the chassis. The pair of front wheels is being provided on the either side of the chassis at the front end of the chassis. In embodiments where the vehicle is a backhoe loader the plurality of the chassis columns may be vertically attached to the either side of the chassis at the front side of the cabin. The first loader arm and the second loader arm may be hinged to the plurality of the chassis columns. The first loader arm and the second loader arm are further hinged to the loader bucket. The first hydraulic drive at one end is attached to the first loader arm through the pair of rocker arms that are hinged at middle to the first loader arm and at the another end is attached to the loader bucket through the first link and the second link. The second hydraulic drive at one end is optionally attached to the second loader arm through the pair of rocker arms that are hinged at middle to the second loader arm and at the another end is attached to the loader bucket through the fourth link and the fifth link. The pair of the rocker arms is further attached to the chassis column through the third link. The third hydraulic drive at one end is attached to the first loader arm and at the another end is attached to the chassis column. The fifth hydraulic drive at one end is attached to the second loader arm and at the another end is attached to the chassis column. The plurality of stabilizer legs may be attached to the back end of the chassis. The boom may be hinged to the back end of the chassis in embodiments where the vehicle is a backhoe loader. The boom is further hinged to the arm through the fourth hydraulic drive. The first support bracket is being attached to a roof of the cabin. The first support bracket may include a first wall, a second wall, a third wall, a fourth wall, a first support wall, a second support wall, a first handle, a second handle and a third handle. The first wall is parallel to the second wall and both are space apart. The third wall is parallel to the fourth wall and both are perpendicular to the first wall and the second wall. The first handle, the second handle and the third handle is being attached to the first wall, the third wall and the fourth wall respectively. The first support wall and the second support wall are being attached across the fourth wall and the third wall. The first support bracket is being attached to a roof of the cabin. The upper storage tank is being fixed on the first support bracket. The upper storage tank is being placed on the groove between the third wall and the fourth wall and that groove having various shape but not limited to a square, a semi circular curve, a trapezoidal, a V-shape and a U-shape. The first support bracket is being designed to mount more than one upper storage tank with the help of plurality of the support wall. In the preferred embodiment, the first support bracket is being designed to mount three upper storage tanks. The second support bracket is attached to the lower part of the chassis between the pair of rear wheel. The lower storage tank is mounted on the second support bracket. The plurality of a pressure gauge may be connected to the plurality of the upper storage tanks to measure pressure on the upper storage tank that help to determine quantity of gas into the upper storage tank. The pressure gauge may also be connected to the lower storage tank to measure pressure on the lower storage tank that help to determine quantity of gas into the lower storage tank. The plurality of the upper storage tanks are being connected to a common rail filling pipe that is further connected to a gas filling assembly and the common rail filling pipe further extends towards the lower storage tank and connected to the lower storage tank. The gas filling assembly may be mounted on the chassis between the rear wheel and the stabilizer leg. The first gas filling valve, a second gas filling valve, a safety switch and the pressure gauge are being mounted on the gas filling assembly. The first gas filling valve and the second gas filling valve are being connected to the common rail filling pipe. The first gas filling valve is used to fill gas through gas station dispenser generally available at passenger vehicle gas station and the second gas filling valve is used to fill gas through a gas cylinder or container or gas dispenser available at commercial vehicle gas station. The gas is being filled into the plurality of the upper storage tanks and the lower storage tank through the common rail filling pipe either with help of the first gas filling valve or the second gas filling valve depending upon whether gas is being filled through the gas station dispenser generally available at passenger vehicle gas station or the gas cylinder or container or gas dispenser available at commercial vehicle gas station respectively. The safety switch is being used to prevent the filling of the gas during motion of the backhoe loader. The plurality of the upper storage tanks are also being connected to a common rail supply pipe. The common rail supply pipe extends through the exterior of the cabin towards the lower portion of the chassis. The common rail supply pipe further extends towards the engine. The lower storage tank is being connected to the common rail supply pipe through the lower gas supply pipe. The gas from the lower storage tank combines with the gas from upper storage tank in the common rail supply pipe. A shut-off valve is being provided to the common rail supply pipe that is being used to either stop or allow the flow of gas into the engine. A shut-off valve is controlled either manually or electronically. A fuel tank is being mounted on the chassis that supply diesel to the engine. The combine fuels from the upper storage tank and the lower storage tank flow towards the engine through the pressure reducing valve being provided to the common rail supply pipe. The pressure reducing valve controls the quantity of the gas being entered into the engine. The backhoe loader runs on either the diesel or the gas, or both the diesel and the gas. An electronic unit is used to control as well as detect the flow of the gas into engine.

[0027] In another aspect of the present invention, the present invention includes a chassis, a cabin, a first support bracket, an upper storage tank, a lower storage tank, a second support bracket, a rear wheel, a pressure gauge. The first support bracket is being attached to a roof of the cabin. The upper storage tank is being fixed on the first support bracket. The upper storage tank is being placed on the groove between the third wall and the fourth wall and that groove having various shape but not limited to a square, a semi circular curve, a trapezoidal, a V-shape and a U-shape. The first support bracket is being designed to mount more than one upper storage tank with the help of plurality of the support wall. The second support bracket is attached to the lower part of the chassis between the pair of rear wheel. The lower storage tank is mounted on the second support bracket. The plurality of a pressure gauge is being connected to the plurality of the upper storage tanks to measure pressure on the upper storage tank that help to determine quantity of gas into the upper storage tank. The pressure gauge is also being connected to the lower storage tank to measure pressure on the lower storage tank that help to determine quantity of gas into the lower storage tank. The plurality of the upper storage tanks are being connected to a common rail filling pipe that is further connected to a gas filling assembly and the common rail filling pipe further extends towards the lower storage tank and connected to the lower storage tank. The gas filling assembly is being mounted on the chassis between the rear wheel and the stabilizer leg. The first gas filling valve, a second gas filling valve, a safety switch and the pressure gauge are being mounted on the gas filling assembly. The first gas filling valve and the second gas filling valve are being connected to the common rail filling pipe. The first gas filling valve is used to fill gas through gas station dispenser generally available at passenger vehicle gas station and the second gas filling valve is used to fill gas through a gas cylinder or container or gas dispenser available at commercial vehicle gas station. The gas is being filled into the plurality of the upper storage tanks and the lower storage tank through the common rail filling pipe either with help of the first gas filling valve or the second gas filling valve depending upon whether gas is being filled through depending upon whether gas is being filled through the type of gas station dispenser or the gas cylinder or container respectively. The safety switch is being used to prevent the filling of the gas during motion of the backhoe loader. The plurality of the upper storage tanks are also being connected to a common rail supply pipe. The common rail supply pipe extends through the exterior of the cabin towards the lower portion of the chassis. The common rail supply pipe further extends towards the engine. The lower storage tank is being connected to the common rail supply pipe through the lower gas supply pipe. The gas from the lower storage tank combines with the gas from upper storage tank in the common rail supply pipe. A shut-off valve is being provided to the common rail supply pipe that is being used to either stop or allow the flow of gas into the engine. A shut-off valve is controlled either manually or electronically. A fuel tank is being mounted on the chassis that supply diesel to the engine. The combine fuels from the upper storage tank and the lower storage tank flow towards the engine through the pressure reducing valve being provided to the common rail supply pipe. The pressure reducing valve controls the quantity of the gas being entered into the engine. An electronic unit is used to control as well as detect the flow of the gas into engine.

[0028] One advantage of the present invention is that the present invention is highly productive.

[0029] Another advantage of the present invention is that the system is eco-friendly and lower-polluting.

[0030] Yet another advantage of the present invention is that the invention can be installed easily.

[0031] Yet another advantage of the present invention reduces the diesel harmful emissions. [0032] Yet another advantage of the present invention reduces the particulate emissions from construction equipment.

[0033] Yet another advantage of the present invention is that the present invention significantly reduces dependence on the diesel and petroleum fuels.

[0034] Yet another advantage is that the present invention is highly efficient.

[0035] Yet another advantage of the present invention is that the operational and running cost of the invention is very low as compare to the other systems.

[0036] Further objectives, advantages and features of the present invention will become apparent from the detailed description provided herein below, in which various embodiments of the disclosed invention are illustrated by way of example and appropriate reference to accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

[0037] The accompanying drawings are incorporated in and constitute a part of this specification to provide a further understanding of the invention. The drawings illustrate one embodiment of the invention and together with the description, serve to explain the principles of the invention.

[0038] FIG. 1 illustrates a perspective view of an upper support bracket being mounted on the roof of cabin of a backhoe loader.

[0039] FIG. 2 illustrates a perspective view of the cabin of the backhoe loader with the storage tank mounted on the support bracket and the gas piping system.

[0040] FIG. 3 illustrates a perspective view of the backhoe loader, according to the present invention.

[0041] Fig.4 illustrates a side view of the backhoe loader with the support bracket system and the gas filling system.

DETAILED DESCRIPTION OF THE INVENTION

[0042] While this invention is susceptible to embodiment in many different forms, there is shown in the drawings and will herein be described in detail specific embodiments, with the understanding that the present disclosure of such embodiments is to be considered as an example of the principles and not intended to limit the invention to the specific embodiments shown and described. In the description below, like reference numerals are used to describe the same, similar or corresponding parts in the several views of the drawings. This detailed description defines the meaning of the terms used herein and specifically describes embodiments in order for those skilled in the art to practice the invention. [0043] The terms "a" or "an", as used herein, are defined as one or as more than one. The term "plurality", as used herein, is defined as two or as more than two. The term "another", as used herein, is defined as at least a second or more. The terms "including" and/or "having", as used herein, are defined as comprising (i.e., open language). The term "coupled", as used herein, is defined as connected, although not necessarily directly, and not necessarily mechanically.

[0044] The term "comprising" is not intended to limit inventions to only claiming the present invention with such comprising language. Any invention using the term comprising could be separated into one or more claims using "consisting" or "consisting of" claim language and is so intended. The term "comprising" is used interchangeably used by the terms "having" or "containing".

[0045] Reference throughout this document to "one embodiment", "certain embodiments", "an embodiment", "another embodiment", and "yet another embodiment" or similar terms means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of such phrases or in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics are combined in any suitable manner in one or more embodiments without limitation.

[0046] The term "or" as used herein is to be interpreted as an inclusive or meaning any one or any combination. Therefore, "A, B or C" means any of the following : "A; B; C; A and B; A and C; B and C; A, B and C". An exception to this definition will occur only when a combination of elements, functions, steps or acts are in some way inherently mutually exclusive.

[0047] Fig. 1 illustrates a perspective view of the upper support bracket being mounted on the roof the cabin of the backhoe loader. A vehicle is shown as backhoe loader (100). The backhoe loader (100) includes a chassis (106) and a cabin (102) that is being placed on the chassis (106). The chassis (106) having first end (142). The plurality of the chassis columns (164) are vertically attached to the either side of the chassis (106) at the front side of the cabin (102). The plurality of stabilizer legs (174) is attached to the chassis (106). The cabin (102) includes a roof (114). A first support bracket (104) is placed on the roof (114). The first support bracket(104) includes a first wall(116), a second wall(118), a third wall(120), a fourth wall(122), a first support wall(126), a second support wall(138), a first handle(124), a second handle(128). The first wall (116) is parallel to the second wall (118) and is space apart. The third wall (120) is parallel to the fourth wall (122) and both are perpendicular to the first wall (116) and the second wall (118). The first support wall (126) and the second support wall (138) is being attached across the fourth wall (122) and the third wall (120). The second support bracket (112) is attached to the lower part of the chassis (106).

[0048] Fig. 2 illustrates a perspective view of the cabin of the backhoe loader with the storage tank mounted on the support bracket and the gas piping system. A vehicle is shown as backhoe loader(100). The backhoe loader(100) includes a chassis(106) and a cabin(102), that is being placed on the chassis(106). The chassis(106) having first end(142). The plurality of the chassis columns(164) are vertically attached to the either side of the chassis(106) at the front side of the cabin(102). The plurality of stabilizer legs(174) is attached to the chassis(106). The cabin(102) includes a roof(114). A first support bracket(104) is placed on the roof(114).The first support bracket(104) includes a first wall(116), a third wall(120) and a first handle(124). The plurality of the upper storage tanks(108) are being mounted on the first support bracket(104). The plurality of the upper storage tanks(108) are being placed on the semi circular curve formed between the third wall(120) and the fourth wall(122), parallel to the first wall(116) and the second wall(118). The second support bracket(112) is provided on the lower part of the chassis(106) between the pair of rear wheels(136). The lower storage tank(HO) is mounted on the second support bracket(112). The plurality of a pressure gauge(188) is being connected to the plurality of the upper storage tanks(108).The pressure gauge(188) is also being connected to the lower storage tank(HO). The plurality of the upper storage tanks(108) are being connected to a common rail filling pipe(132) that is further connected to a gas filling assembly(190) and the common rail filling pipe(132) further extends towards the lower storage tank(l lO) and connected to the lower storage tank(l lO). The gas filling assembly (190) is being mounted on the chassis (106). The plurality of the upper storage tanks (108) are also being connected to a common rail supply pipe(202). The common rail supply pipe(202) extends through the exterior of the cabin(102) towards the lower portion of the chassis(106). The common rail supply pipe(202) further extends towards the engine. The lower storage tank(l lO) is being connected to the common rail supply pipe(202) through the lower gas supply pipe(200). A shut-off valve(204) is being provided to the common rail supply pipe(202).The pressure reducing valve(140) may connected to the common rail supply pipe(202).

[0049] FIG. 3 illustrates a perspective view of the backhoe loader, according to the present invention. A backhoe loader(lOO) includes a cabin(102), a chassis(106), a first loader arm(148), a second loader arm(150), a loader bucket(152), a first hydraulic drive(154), a second hydraulic drive(156), a third hydraulic drive(158), a fourth hydraulic drive(160), an arm(162), a chassis column(164), a boom(172), a stabilizer leg(174), a first support bracket(104) and an upper storage tank(108) . The cabin(102) is being placed on the chassis(106). The pair of rear wheels(136) are being provided on the either side of the chassis(106) just below the cabin(102) at the rear side of the vehicle .The pair of front wheels(146) are being provided to the either side of the chassis(106) at the front side of the vehicle. The plurality of the chassis columns(164) are vertically attached to the either side of the chassis(106). The first loader arm( 148) and the second loader arm(150) are hinged to the plurality of the chassis columns(164) . The first loader arm(148) is further hinged to the loader bucket(152). The first hydraulic drive(154) at one end is attached to the first loader arm(148) through the pair of rocker arms(180) that are hinged at middle to the first loader arm(148) and at the another end is attached to the loader bucket(152). The pair of the rocker arms(180) is further attached to the chassis column(164). The third hydraulic drive(158) at one end is attached to the first loader arm(148) and at the another end is attached to the chassis column(164). The plurality of stabilizer legs(174) is attached to the chassis(106). The boom(172) is hinged to the back of the chassis(106). The boom(172) is further hinged to the arm(162) through the fourth hydraulic drive(160). The first support bracket(104) is being attached to a roof(114) of the cabin(102).The plurality of upper storage tanks(108) are being fixed on the first support bracket(104). The plurality of the upper storage tanks(108) are being connected to a common rail filling pipe(132) that is further connected to a gas filling assembly(190). The plurality of the upper storage tanks(108) are also being connected to a common rail supply pipe(202). A shut-off valve(204) is being provided to the common rail supply pipe(202).

[0050] Fig.4 illustrates a side view of the backhoe loader with the support bracket system and the gas filling system. A backhoe loader(100) includes a cabin(102), a chassis(106), a first loader arm(148), a loader bucket(152), a first hydraulic drive(154), a third hydraulic drive(158), a fourth hydraulic drive(160), an arm(162), a chassis column(164), a first link(166), a second link(168), a boom(172), a stabilizer leg(174), a first support bracket(104), an upper storage tank(108) and a lower storage tank(HO). The cabin(102) is being placed on the chassis(106). The chassis(106) includes a front end(142). The pair of rear wheels(136) are being provided on the either side of the chassis(106) just below the cabin(102). The pair of front wheels(146) are being provided on the either side of the chassis(106) at the front end(142) of the chassis(106). The plurality of the chassis columns(164) are vertically attached to the either side of the chassis(106) at the front side of the cabin(102). The first loader arm(148) is hinged to the plurality of the chassis columns(164). The first loader arm(148) is further hinged to the loader bucket(152). The first hydraulic drive(154) at one end is attached to the first loader arm(148) through the pair of rocker arms(180) that are hinged at middle to the first loader arm(148) and at the another end is attached to the loader bucket(152) through the first link(166) and the second link(168). The pair of the rocker arms(180) is further attached to the chassis column(164) through the third link(170). The third hydraulic drive(158) at one end is attached to the first loader arm(148) and at the another end is attached to the chassis column(164). The plurality of stabilizer legs(174) is attached to the back of the chassis(106). The boom(172) is hinged to chassis(106). The boom(172) is further hinged to the arm(162) through the fourth hydraulic drive(160). The first support bracket(104) is being attached to a roof(114) of the cabin(102). The plurality of upper storage tanks(108) are being fixed on the first support bracket(104). The lower storage tank(HO) is attached to the lower part of the chassis(106) between the pair of rear wheel(136).The plurality of pressure gauges(188) are being connected to the plurality of the upper storage tanks( 108). The pressure gauge(188) is also being connected to the lower storage tank(l lO). The plurality of the upper storage tanks(108) are being connected to a common rail filling pipe(132) that is further connected to a gas filling assembly(190) and the common rail filling pipe(132) further extends towards the lower storage tank(l lO) and connected to the lower storage tank(110).The gas filling assembly(190) is being mounted on the chassis(106) between the rear wheel(136) and the stabilizer leg(174). The first gas filling valve(192), a second gas filling valve(194), a safety switch(196) and the pressure gauge(188) are being mounted on the gas filling assembly(190).The first gas filling valve(192) and the second gas filling valve(194) are being connected to the common rail filling pipe(132). The plurality of the upper storage tanks(108) are also being connected to a common rail supply pipe(202). The common rail supply pipe(202) extends through the exterior of the cabin(102) towards the lower portion of the chassis(106). The common rail supply pipe(202) further extends towards the engine. The combine fuels from the upper storage tank(108) and the lower storage tank(l lO) flow towards the engine through the pressure reducing valve(140) being provided to the common rail supply pipe(202).The lower storage tank(HO) is being connected to the common rail supply pipe(202) through the lower gas supply pipe(200). A shut-off valve(204) is being provided to the common rail supply pipe(202). A fuel tank(176) is being mounted on the chassis(106) that supply diesel to the engine.

[0051] In an embodiment of the present invention, a backhoe loader(lOO) includes a cabin(102), a chassis(106), a first loader arm(148), a second loader arm(150), a loader bucket(152), a first hydraulic drive(154), a second hydraulic drive(156), a third hydraulic drive(158), a fourth hydraulic drive(160), an arm(162), a chassis column(164), a first link(166), a second link(168), a third link(170), a fourth link(184), a fifth link(186), a boom(172), a stabilizer leg(174), a first support bracket(104), an upper storage tank(108), a lower storage tank(HO) and a second support bracket(112). The term back hoe loader(lOO) refers to, but not limited to, a heavy equipment vehicle that consists of a tractor like unit fitted with a loader-style shovel/bucket on the front and a backhoe on the back. The cabin(102) is being placed on the chassis(106). The chassis(106) includes a front end(142) and a back end(144). The term chassis(106) refers, but not limited to, an internal vehicle frame that supports an artificial object in its construction and use, can also provided protection for some internal parts. The pair of rear wheels(136) are being provided on the either side of the chassis(106) just below the cabin(102) at the back end(144) of the chassis(106). The term wheel refers to, but not limited to, a circular component that is intended to rotate on an axle bearing. The pair of front wheels(146) are being provided on the either side of the chassis(106) at the front end(142) of the chassis(106). The plurality of the chassis columns(164) are vertically attached to the either side of the chassis(106) at the front side of the cabin(102). The first loader arm(148) and the second loader arm(150) are hinged to the plurality of the chassis columns(164). The first loader arm(148) and the second loader arm(150) are further hinged to the loader bucket(152). The term bucket loader refers to, but not limited to, a front-mounted square wide bucket connected to the end of two booms (arms) of back hoe loader. The first hydraulic drive(154) at one end is attached to the first loader arm(148) through the pair of rocker arms(180) that are hinged at middle to the first loader arm(148) and at the another end is attached to the loader bucket(152) through the first link( 166) and the second link(168). The term hydraulic drive refers to, but not limited to, a drive or transmission system that uses pressurized hydraulic fluid to power hydraulic machinery. The second hydraulic drive(156) at one end is attached to the second loader arm(150) through the pair of rocker arms(180) that are hinged at middle to the second loader arm( 150) and at the another end is attached to the loader bucket(152) through the fourth link(184) and the fifth link(186). The pair of the rocker arms(180) is further attached to the chassis column(164) through the third link(170). The third hydraulic drive(158) at one end is attached to the first loader arm(148) and at the another end is attached to the chassis column(164). The fifth hydraulic drive(182) at one end is attached to the second loader arm(150) and at the another end is attached to the chassis column(164). The plurality of stabilizer legs(174) is attached to the back end(144) of the chassis(106). The boom(172) is hinged to the back end(144) of the chassis(106). The boom(172) is further hinged to the arm(162) through the fourth hydraulic drive(160). The first support bracket(104) is being attached to a roof(114) of the cabin(102). The term "bracket" refers to, but not limited to, an intermediate component for fixing one part to another, usually larger part. The first support bracket(104) includes a first wall(116), a second wall(118), a third wall(120), a fourth wall(122), a first support wall(126), a second support wall(138), a first handle(124), a second handle(128) and a third handle(130). The first wall(116) is parallel to the second wall(118) and both are space apart. The third wall(120) is parallel to the fourth wall(122) and both are perpendicular to the first wall(116) and the second wall(118). The first handle(124), the second handle(128) and the third handle(130) is being attached to the first wall(116), the third wall(120) and the fourth wall(122) respectively. The first support wall(126) and the second support wall(138) is being attached across the fourth wall( 122) and the third wall(120). The first support bracket(104) is being attached to a roof(114) of the cabin(102). The upper storage tank(108) is being fixed on the first support bracket(104). The term "storage tank" refers to, but not limited to, containers that hold liquids, compressed gases. The upper storage tank(108) is being placed on the groove between the third wall(120) and the fourth wall(122) and that groove having various shape but not limited to a square, a semi circular curve, a trapezoidal, a V-shape and a U-shape. The first support bracket(104) is being designed to mount more than one upper storage tank(108) with the help of plurality of the support wall. In the preferred embodiment, the first support bracket(104) is being designed to mount three upper storage tanks(108). The second support bracket(112) is attached to the lower part of the chassis(106) between the pair of rear wheel(136). The lower storage tank(l lO) is mounted on the second support bracket( 112). The plurality of a pressure gauge(188) is being connected to the plurality of the upper storage tanks(108) to measure pressure on the upper storage tank(108) that help to determine quantity of gas into the upper storage tank(108). The pressure gauge(188) is also being connected to the lower storage tank(l lO) to measure pressure on the lower storage tank(HO) that help to determine quantity of gas into the lower storage tank(HO). The term pressure gauge refers to, but not limited to, an instrument showing the pressure of fluid. The plurality of the upper storage tanks(108) are being connected to a common rail filling pipe(132) that is further connected to a gas filling assembly(190) and the common rail filling pipe(132) further extends towards the lower storage tank(l lO) and connected to the lower storage tank(110).The gas filling assembly(190) is being mounted on the chassis(106) between the rear wheel(136) and the stabilizer leg(174). The first gas filling valve(192), a second gas filling valve(194), a safety switch(196) and the pressure gauge(188) are being mounted on the gas filling assembly(190).The first gas filling valve(192) and the second gas filling valve(194) are being connected to the common rail filling pipe(132). The first gas filling valve (192) is used to fill gas through gas station dispenser generally available at passenger vehicle gas station and the second gas filling valve (194) is used to fill gas through a gas cylinder or container or gas dispenser available at commercial vehicle gas station. The term gas filing valve refers to, but not limited to, device that regulates, directs or controls the flow of a gas by opening, closing or partially obstructing various passageways. The gas is being filled into the plurality of the upper storage tanks(108) and the lower storage tank(l lO) through the common rail filling pipe(132) either with help of the first gas filling valve(192) or the second gas filling valve(194) depending upon whether gas is being filled through the type of gas station dispenser or the gas cylinder or container respectively. The term common rail filing pipe refers to, but not limited to, a piping system for filling petrol, gas and diesel into engines. The safety switch(196) is being used to prevent the filling of the gas during motion of the backhoe loader(lOO). The plurality of the upper storage tanks(108) are also being connected to a common rail supply pipe(202). The common rail supply pipe(202) extends through the exterior of the cabin(102) towards the lower portion of the chassis(106). The common rail supply pipe(202) further extends towards the engine. The lower storage tank(l lO) is being connected to the common rail supply pipe(202) through the lower gas supply pipe(200). The gas from the lower storage tank(HO) combines with the gas from upper storage tank(108) in the common rail supply pipe(202). A shut-off valve(204) is being provided to the common rail supply pipe(202) that is being used to either stop or allow the flow of gas into the engine. The term shut off valve refers to, but not limited to, a valve designed for and capable of positive closure to prevent flow within a piping system. A shut-off valve(204) is controlled either manually or electronically. A fuel tank(176) is being mounted on the chassis(106) that supply diesel to the engine. The combine fuels from the upper storage tank(108) and the lower storage tank(l lO) flow towards the engine through the pressure reducing valve(140) being provided to the common rail supply pipe(202).

[0052] In another embodiment of the present invention, a backhoe loader(lOO) includes a cabin(102), a chassis(106), one or more first loader arms( 148), one or more second loader arms(150), a loader bucket(152), one or more first hydraulic drives(154), one or more second hydraulic drives(156), one or more third hydraulic drives(158), one or more fourth hydraulic drives(160), an arm(162), a chassis column(164), one or more first links(166), one or more second links(168), one or more third links(170), one or more fourth links(184), one or more fifth links(186), a boom(172), a stabilizer leg(174), one or more first support brackets(104), one or more upper storage tanks(108), one or more lower storage tanks(HO) and one or more second support brackets(112). The term back hoe loader(lOO) refers to, but not limited to, a heavy equipment vehicle that consists of a tractor like unit fitted with a loader-style shovel/bucket on the front and a backhoe on the back. The cabin(102) is being placed on the chassis(106). The chassis(106) includes a front end(142) and a back end(144). The term "chassis" refers, but not limited to, an internal vehicle frame that supports an artificial object in its construction and use, can also provided protection for some internal parts. The plurality of rear wheels(136) are being provided on the either side of the chassis(106) just below the cabin(102) at the back end(144) of the chassis(106). The plurality of front wheels(146) are being provided on the either side of the chassis(106) at the front end(142) of the chassis(106). The term wheel refers to, but not limited to, a circular component that is intended to rotate on an axle bearing. The plurality of the chassis columns(164) are vertically attached to the either side of the chassis(106) at the front side of the cabin(102).The one or more first loader arms(148) and the one or more second loader arms(150) are hinged to the plurality of the chassis columns(164). The one or more first loader arms(148) and the one or more second loader arms(150) are further hinged to the loader bucket(152). The term bucket loader refers to, but not limited to, a front-mounted square wide bucket connected to the end of two booms of backhoe loader. The one or more first hydraulic drives(154) at one end are attached to the one or more first loader arms(148) through the pair of rocker arms(180) that are hinged at middle to the one or more first loader arms(148) and at the another end is attached to the loader bucket(152) through the one or more first links(166) and the one or more second links(168). The term hydraulic drive refers to, but not limited to, a drive or transmission system that uses pressurized hydraulic fluid to power hydraulic machinery. The one or more second hydraulic drives(156) at one end are attached to the one or more second loader arms(150) through the pair of rocker arms(180) that are hinged at middle to the one or more second loader arms(150) and at the another end are attached to the loader bucket(152) through the one or more fourth links(184) and the one more fifth links(186). The pair of the rocker arms(180) is further attached to the chassis column(164) through the one or more third links(170). The one or more third hydraulic drives(158) at one end are attached to the one or more first loader arms(148) and at another end are attached to the chassis column(164). The one or more fifth hydraulic drives(182) at one end are attached to the one or more second loader arms(150) and at the another end are attached to the chassis column( 164). The plurality of stabilizer legs(174) is attached to the back end(144) of the chassis(106). The boom(172) is hinged to the back end(144) of the chassis(106). The boom(172) is further hinged to the arm(162) through the fourth hydraulic drive(160). The one or more first support brackets(104) are being attached to a roof(114) of the cabin(102). The term "bracket" refers to, but not limited to, an intermediate component for fixing one part to another, usually larger part. The one or more first support brackets(104) include a first wall(116), one or more second walls(118), one or more third walls(120), one or more fourth walls(122), one or more first support walls(126), one second support wall(138), one or more first handles(124), one or more second handle(128) and one or more third handles(130). The one or more first walls(116) are parallel to the one or more second walls(118) and both are space apart. The one or more third walls(120) are parallel to the one or more fourth walls(122) and both are perpendicular to the one or more first walls(116) and the one or more second walls(118). The one or more first handles(124), the one or more second handles(128) and the one or more third handles(130) are being attached to the one or more first walls(116), the one or more third walls(120) and the one or more fourth walls(122) respectively. The one or more first support walls(126) and the one or more second support walls(138) are being attached across the one or more fourth walls(122) and the one or more third walls(120). The one or more upper storage tanks(108) is being fixed on the one or more first support brackets(104). The term "storage tank" refers to, but not limited to, containers that hold liquids, compressed gases. The one or more upper storage tanks(108) are being placed on the groove between the one or more third walls(120) and the one or more fourth walls(122) and that groove having various shape but not limited to a square, a semi circular curve, a trapezoidal, a V-shape and a U-shape. Those skilled in the art will appreciate that positioning and shape of upper storage tank do not limit the scope of the invention. The one or more first support brackets(104) are being designed to mount more than one upper storage tanks(108) with the help of plurality of the support wall. The one or more second support brackets(112) are attached to the lower part of the chassis(106) between the plurality of rear wheels(136). The one or more lower storage tanks(l lO) is mounted on the one or more second support brackets(112). The plurality of a pressure gauges(188) are being connected to the plurality of the one or more upper storage tanks(108) to measure pressure on the one more upper storage tanks( 108) that help to determine quantity of gas into the one or more upper storage tanks(108). The term pressure gauge refers to, but not limited to, an instrument showing the pressure of fluid. The plurality of pressure gauges(188) are also being connected to the one or more lower storage tanks(l lO) to measure pressure on the one or more lower storage tanks(l lO) that help to determine quantity of gas into the one or more lower storage tanks(l lO). The one or more upper storage tanks(108) are being connected to one or more common rail filling pipes(132) that is further connected to a gas filling assembly(190) and the one or more common rail filling pipes(132) further extends towards the one or more lower storage tanks(l lO) and connected to the one or more lower storage tanks(110).The gas filling assembly(190) is being mounted on the chassis(106) between the rear wheel(136) and the stabilizer leg(174). The one or more first gas filling valves(192), one or more second gas filling valves(194), one or more safety switches(196) and the plurality of pressure gauges(188) are being mounted on the gas filling assembly(190).The one or more first gas filling valves(192) and the one or more second gas filling valves(194) are being connected to the one or more common rail filling pipes(132). The one or more first gas filling valve (192) is used to fill gas through gas station dispenser generally available at passenger vehicle gas station and the one or more second gas filling valve (194) is used to fill gas through a gas cylinder or container or gas dispenser available at commercial vehicle gas station. The term gas filing valve refers to, but not limited to, device that regulates, directs or controls the flow of a gas by opening, closing or partially obstructing various passageways. The gas is being filled into the one or more upper storage tanks(108) and the one or more lower storage tanks(l lO) through the one or more common rail filling pipes(132) either with help of the one or more first gas filling valve(192) or the one or more second gas filling valve(194) depending upon whether gas is being filled through the type of gas station dispenser or the gas cylinder or container respectively. The term common rail filing pipe refers to, but not limited to, a piping system for filling petrol, gas and diesel into engines. The one or more safety switches(196) are being used to prevent the filling of the gas during motion of the backhoe loader(lOO). The one or more upper storage tanks(108) are also being connected to one or more common rail supply pipes(202). The one or more common rail supply pipes(202) extend through the exterior of cabin(102) towards the lower portion of the chassis(106). The one or more common rail supply pipes(202) further extend towards the engine. The term engine refers to, but not limited to, a machine designed to convert one form of energy into mechanical energy. The one or more lower storage tanks(l lO) are being connected to the one or more common rail supply pipes(202) through the one or more lower gas supply pipes(200). The gas from the one or more lower storage tanks(l lO) combine with the gas from upper storage tank(108) in the one or more common rail supply pipes(202). One or more shut-off valves(204) are being provided to the one or more common rail supply pipes(202) that are being used to either stop or allow the flow of gas into the engine. The term shut off valve refers to, but not limited to, a valve designed for and capable of positive closure to prevent flow within a piping system. The one or more shut-off valves(204) are controlled either manually or electronically. One or more fuel tanks(176) are being mounted on the chassis(106) that supply diesel to the engine. The term engine refers to, but not limited to, a machine designed to convert one form of energy into mechanical energy. The combine fuels from the one or more upper storage tanks(108) and the one or more lower storage tanks( l lO) flow towards the engine through the one or more pressure reducing valves(140) being provided to the one or more common rail supply pipes(202). The one or more pressure reducing valves(140) control the quantity of the gas being entered into the engine. The backhoe loader(lOO) runs on either the diesel or the gas, or both the diesel and the gas. An electronic unit is used to control as well as detect the flow of the gas into engine. The term electronic unit refers to, but not limited to, a type of electronic control unit that controls a series of actuators on an internal combustion engine to ensure optimal engine performance.

[0053] In another embodiment of the present invention, the present invention includes, a chassis(106), a cabin(102), a first support bracket(104), an upper storage tank(108), a lower storage tank(l lO), a second support bracket(112), a rear wheel(136), a pressure gauge(188). The first support bracket(104) is being attached to a roof(114) of the cabin(102). The upper storage tank(108) is being fixed on the first support bracket(104). The term "storage tank" refers to, but not limited to, containers that hold liquids, compressed gases. The upper storage tank(108) is being placed on the groove between the third wall(120) and the fourth wall(122) and that groove having various shape but not limited to a square, a semi circular curve, a trapezoidal, a V-shape and a U-shape. The first support bracket(104) is being designed to mount more than one upper storage tank(108) with the help of plurality of the support wall. In the preferred embodiment, the first support bracket(104) is being designed to mount three upper storage tanks(108). The second support bracket( 112) is attached to the lower part of the chassis(106) between the pair of rear wheel(136). The lower storage tank(HO) is mounted on the second support bracket(112). The plurality of a pressure gauge(188) is being connected to the plurality of the upper storage tanks(108) to measure pressure on the upper storage tank(108) that help to determine quantity of gas into the upper storage tank(108). The pressure gauge(188) is also being connected to the lower storage tank(l lO) to measure pressure on the lower storage tank( HO) that help to determine quantity of gas into the lower storage tank(l lO). The term pressure gauge refers to, but not limited to, an instrument showing the pressure of fluid. The plurality of the upper storage tanks(108) are being connected to a common rail filling pipe(132) that is further connected to a gas filling assembly(190) and the common rail filling pipe(132) further extends towards the lower storage tank(l lO) and connected to the lower storage tank(l lO). The gas filling assembly(190) is being mounted on the chassis(106) between the rear wheel(136) and the stabilizer leg(174). The first gas filling valve(192), a second gas filling valve(194), a safety switch(196) and the pressure gauge(188) are being mounted on the gas filling assembly(190).The first gas filling valve(192) and the second gas filling valve(194) are being connected to the common rail filling pipe(132). The first gas filling valve (192) is used to fill gas through gas station dispenser generally available at passenger vehicle gas station and the second gas filling valve (194) is used to fill gas through a gas cylinder or container or gas dispenser available at commercial vehicle gas station. The term gas filing valve refers to, but not limited to, device that regulates, directs or controls the flow of a gas by opening, closing or partially obstructing various passageways. The gas is being filled into the plurality of the upper storage tanks(108) and the lower storage tank(l lO) through the common rail filling pipe(132) either with help of the first gas filling valve(192) or the second gas filling valve(194) depending upon whether gas is being filled through type of gas station dispenser or the gas cylinder or container respectively. The term common rail filing pipe refers to, but not limited to, a piping system for filling petrol, gas and diesel into engines. The safety switch(196) is being used to prevent the filling of the gas during motion of the backhoe loader(lOO). The plurality of the upper storage tanks(108) are also being connected to a common rail supply pipe(202). The common rail supply pipe(202) extends through the exterior of the cabin(102) towards the lower portion of the chassis(106). The common rail supply pipe(202) further extends towards the engine. The lower storage tank(l lO) is being connected to the common rail supply pipe(202) through the lower gas supply pipe(200). The gas from the lower storage tank(l lO) combines with the gas from upper storage tank(108) in the common rail supply pipe(202). A shut-off valve(204) is being provided to the common rail supply pipe(202) that is being used to either stop or allow the flow of gas into the engine. The term shut off valve refers to, but not limited to, a valve designed for and capable of positive closure to prevent flow within a piping system. A shut-off valve(204) is controlled either manually or electronically. A fuel tank(176) is being mounted on the chassis(106) that supply diesel to the engine. The combine fuels from the upper storage tank(108) and the lower storage tank(l lO) flow towards the engine through the pressure reducing valve(140) being provided to the common rail supply pipe(202). The pressure reducing valve(140) controls the quantity of the gas being entered into the engine. The backhoe loader(lOO) runs on either the diesel or the gas, or both the diesel and the gas. An electronic unit is used to control as well as detect the flow of the gas into engine. The term electronic unit refers to, but not limited to, a type of electronic control unit that controls a series of actuators on an internal combustion engine to ensure optimal engine performance.

[0054] In another embodiment of the present invention, the present invention includes, a chassis(106), a cabin(102), one or more first support brackets(104), an upper storage tank(108), a lower storage tank(l lO), one or more second support brackets(112), a rear wheels(136), a pressure gauge(188). The one or more first support brackets(104) are being attached to a roof(114) of the cabin(102) . The term "bracket" refers to, but not limited to, an intermediate component for fixing one part to another, usually larger part. The one or more first support brackets(104) include a first wall(116), one or more second walls(118), one or more third walls(120), one or more fourth walls(122), one or more first support walls(126), one second support wall(138), one or more first handles(124), one or more second handle(128) and one or more third handles(130). The one or more first walls(116) are parallel to the one or more second walls(118) and both are space apart. The one or more third walls(120) are parallel to the one or more fourth walls(122) and both are perpendicular to the one or more first walls(116) and the one or more second walls(118). The one or more first handles(124), the one or more second handles(128) and the one or more third handles(130) are being attached to the one or more first walls(116), the one or more third walls(120) and the one or more fourth walls(122) respectively. The one or more first support walls(126) and the one or more second support walls(138) are being attached across the one or more fourth walls(122) and the one or more third walls(120). The one or more upper storage tanks(108) is being fixed on the one or more first support brackets(104). The term "storage tank" refers to, but not limited to, containers that hold liquids, compressed gases. The one or more upper storage tanks(108) are being placed on the groove between the one or more third walls(120) and the one or more fourth walls(122) and that groove having various shape but not limited to a square, a semi circular curve, a trapezoidal, a V-shape and a U-shape. The one or more first support brackets(104) are being designed to mount more than one upper storage tanks(108) with the help of plurality of the support wall. The one or more second support brackets(112) are attached to the lower part of the chassis(106) between the plurality of rear wheels(136). The one or more lower storage tanks(HO) is mounted on the one or more second support brackets(112). The plurality of a pressure gauges(188) are being connected to the plurality of the one or more upper storage tanks(108) to measure pressure on the one more upper storage tanks(108) that help to determine quantity of gas into the one or more upper storage tanks(108). The term pressure gauge refers to, but not limited to, an instrument showing the pressure of fluid. The plurality of pressure gauges(188) are also being connected to the one or more lower storage tanks(l lO) to measure pressure on the one or more lower storage tanks(HO) that help to determine quantity of gas into the one or more lower storage tanks(HO). The one or more upper storage tanks(108) are being connected to one or more common rail filling pipes(132) that is further connected to a gas filling assembly(190) and the one or more common rail filling pipes(132) further extends towards the one or more lower storage tanks(l lO) and connected to the one or more lower storage tanks(110).The gas filling assembly(190) is being mounted on the chassis(106) between the rear wheel(136) and the stabilizer leg(174). The one or more first gas filling valves(192), one or more second gas filling valves( 194), one or more safety switches(196) and the plurality of pressure gauges(188) are being mounted on the gas filling assembly(190).The one or more first gas filling valves(192) and the one or more second gas filling valves(194) are being connected to the one or more common rail filling pipes(132 The one or more first gas filling valve (192) is used to fill gas through gas station dispenser generally available at passenger vehicle gas station and the one or more second gas filling valve (194) is used to fill gas through a gas cylinder or container or gas dispenser available at commercial vehicle gas station. The term gas filing valve refers to, but not limited to, device that regulates, directs or controls the flow of a gas by opening, closing or partially obstructing various passageways. The gas is being filled into the one or more upper storage tanks(108) and the one or more lower storage tanks(l lO) through the one or more common rail filling pipes(132) either with help of the one or more first gas filling valve(192) or the one or more second gas filling valve(194) depending upon whether gas is being filled through the type of gas station dispenser or the gas cylinder or container respectively. The term common rail filing pipe refers to, but not limited to, a piping system for filling petrol, gas and diesel into engines. The one or more safety switches(196) are being used to prevent the filling of the gas during motion of the backhoe loader(lOO). The one or more upper storage tanks(108) are also being connected to one or more common rail supply pipes(202). The one or more common rail supply pipes(202) extend through the exterior of cabin(102) towards the lower portion of the chassis(106). The one or more common rail supply pipes(202) further extend towards the engine. The term engine refers to, but not limited to, a machine designed to convert one form of energy into mechanical energy. The one or more lower storage tanks(l lO) are being connected to the one or more common rail supply pipes(202) through the one or more lower gas supply pipes(200). The gas from the one or more lower storage tanks(l lO) combine with the gas from upper storage tank(108) in the one or more common rail supply pipes(202). One or more shut-off valves(204) are being provided to the one or more common rail supply pipes(202) that are being used to either stop or allow the flow of gas into the engine. The term shut off valve refers to, but not limited to, a valve designed for and capable of positive closure to prevent flow within a piping system. The one or more shut-off valves(204) are controlled either manually or electronically. One or more fuel tanks(176) are being mounted on the chassis(106) that supply diesel to the engine. The term engine refers to, but not limited to, a machine designed to convert one form of energy into mechanical energy. The combine fuels from the one or more upper storage tanks(108) and the one or more lower storage tanks(l lO) flow towards the engine through the one or more pressure reducing valves(140) being provided to the one or more common rail supply pipes(202). The one or more pressure reducing valves(140) control the quantity of the gas being entered into the engine. The backhoe loader(lOO) runs on either the diesel or the gas, or both the diesel and the gas. An electronic unit is used to control as well as detect the flow of the gas into engine. The term electronic unit refers to, but not limited to, a type of electronic control unit that controls a series of actuators on an internal combustion engine to ensure optimal engine performance.

[0055] In yet another embodiment of the present invention, the backhoe loader(lOO) is being replaced by various work vehicle that includes but not limited to the excavator, earthmovers, telescopic handlers, skid steer loaders and cranes.

[0056] In yet another embodiment of the present invention, the diameter of the upper storage tank(108) in the range of 200mm to 500 mm, more preferably 350 mm. The length of the upper storage tank(l lO) is the range of 600 mm to 2000 mm , more preferably 1200 mm.

[0057] In yet another embodiment of the present invention, the diameter of the lower storage tank(108) in the range of 100 mm to 400 mm, more preferably 300 mm. The length of the lower storage tank(l lO) is the range of 500 mm to 1500 mm , more preferably 1000 mm.

[0058] In yet another embodiment of the present, the dimension of the upper support bracket(104) in respect of the length, breath and height is in the range of 800 X 700 X 50 mm to 1600X 1100 X 350 mm, more preferably 1300 X 900 X 150 mm.

[0059] In yet another embodiment of the present, the dimension of the second support bracket (112) in respect of the length, breath and height is in the range of 500 X 200 X 300mm to 1100 X 600 X 800 mm, more preferably 900 X 400 X 500 mm.

[0060] In yet another embodiment, the multiple support brackets is being mounted one over the another on the roof(114) of the cabin(106) of the backhoe loader(100).

[0061] In yet another embodiment of the present invention, the upper storage tank(108) and the lower storage tank(l lO) may be mounted on the backhoe loader(100) at different orientations. The upper storage tank(108) is may be placed but not limited to vertically or diagonally or horizontally on the roof(114) of the cabin(102). The lower storage tank(l lO) is placed on the chassis but not limited to lateral, transverse, diagonally or any other orientation. The lower storage tank(110)is also being placed between the plurality of the stabilizer leg(174) at the back end(144) of the chassis(106) or anywhere on the chassis(106). [0062] In yet another embodiment of the present invention, more than one the upper storage tanks(108) and the lower storage tanks(l lO) are being mounted on the backhoe loader(lOO) and connected to the common gas filling and supply pipe.

[0063] In yet another embodiment of the present invention, more than one the upper storage tanks(108) and the lower storage tanks(l lO) are being mounted on the backhoe loader(lOO) and separate pipe may be provided for gas filling and supply for each cylinder.

[0064] In yet another embodiment of the present invention, a safety valve is being provided to the common rail supply pipe(202) as well as the common rail filling pipe(132). When due to the unforeseen circumstances lead to increased internal pressure, the safety valve would open and reduce the pressure inside the system to effectively protect the entire system.

[0065] In yet another embodiment of the present invention, and preferably the upper storage tank(108), especially made to match the shape of first support bracket(104) to increase capacity.

[0066] In yet another embodiment of the present invention, the first support bracket(104) is being easy to be mounted to roof of any vehicle including but not limited to excavator, earthmover and bus.

[0067] In yet another embodiment of the present invention the gas is a combustible fuel and preferably compressed natural gas or liquefied natural gas. The term compressed natural gas refers to but limited to, a fuel which can be used in place of gasoline (petrol). CNG may be found above oil deposits, or may be collected from landfills or wastewater treatment plants where it is known as biogas.

[0068] In yet another embodiment of the present invention the gas is a combustible fuel and preferably compressed natural gas (CNG) or liquefied natural gas.

[0069] In yet another embodiment of the present invention, use of compressed natural gas is not only limited to power engine. The compressed natural gas is being used to power the hydraulic pumps that further power the hydraulic piston that moves various arms of the backhoe loader or excavator. The compressed natural gas is further being used to power various operations performed by the backhoe loader(lOO) or excavator that includes but not limited to a digging through backhoe, drilling, boring, excavating, lifting of package through fork lifting arm, loading and transporting loose material through loader. The compressed natural gas is also being used to power the stabilizer legs(174) of the backhoe loader(lOO) or excavator. The compressed natural gas is also being used to generate electricity in order to power various electrical components of the backhoe loader or excavator that includes but not limited to motor, charging battery, electronic control unit, sensors and generated electricity is also being used to homes in remote areas. [0070] In yet another embodiment of the present invention, the first support bracket(104) is being easy to be mounted to roof of any vehicle including but not limited to backhoe loader(100), excavator, earthmover and bus. The first support bracket(104) has very compact design and thus the first support bracket(104) is portable and is easily being mounted to vehicle even in small space. The first support bracket(104) support the upper storage tank(108) and fix the upper storage tank(108) at particular position and prevent the upper storage tank(108) from being slipped and fall down from the roof(114) of the cabin(102). The first support bracket(104) also protects the upper storage tank(108) from shock and vibration. The first support bracket(104) also protects the roof(114) of the cabin(102), the upper storage tank(104) as well as common rail supply pipe(202) and common rail filling pipe(132) from the impact of the rain that causes corrosion or rust. The second support bracket( 112) is being able to be mounted to the chassis(106) of the backhoe loader(100) or excavator, thus providing more strength to the chassis(106) of the backhoe loader(lOO) or excavator and also utilizes the extra space present on the chassis(106). The support bracket along with storage tank acts counter weight to stabilize the backhoe loader or excavator that tends to become unstable to due shift of center of mass of during off- road commutation of the backhoe loader or excavator and protect vehicle or cabin or roof during strong winds and rain and also provide stability to the vehicle.

[0071] In yet another embodiment, floating joint may provide on the support bracket which prevent cylinder movement when vehicle is working on undulated land conditions. The head portion of the cylinder may surround by the floating joint whereas the base portion of the cylinder is being fixed to the support bracket.

[0072] Further objectives, advantages and features of the present invention will become apparent from the detailed description provided herein below, in which various embodiments of the disclosed present invention are illustrated by way of example and appropriate reference to accompanying drawings. Those skilled in the art to which the present invention pertains may make modifications resulting in other embodiments employing principles of the present invention without departing from its spirit or characteristics, particularly upon considering the foregoing teachings. Accordingly, the described embodiments are to be considered in all respects only as illustrative, and not restrictive, and the scope of the present invention is, therefore, indicated by the appended claims rather than by the foregoing description or drawings. Consequently, while the present invention has been described with reference to particular embodiments, modifications of structure, sequence, materials and the like apparent to those skilled in the art still fall within the scope of the invention as claimed by the applicant.

Claims

1. A working machine, such as a backhoe loader, comprising a chassis, a ground engaging structure supporting the chassis, at least one working arm for performing a work function, and a prime mover operable by use of a first fuel and an optional second fuel to move the working machine via the ground engaging structure and selectively operate the at least one working arm, wherein the working machine further comprises a mounting structure for mounting one or more storage vessels for the first fuel to an exterior location of the working machine.

2. A working machine according to claim 1 wherein the mounting structure is provided on an underside of the chassis, such that one or more storage vessels may be secured under and/or within the chassis.

3. A working machine according to claim 2 wherein the the chassis is configured to allow the vessel(s) to be wholly or partially recessed within the chassis.

4. A working machine according to claim 3 wherein the chassis comprises first and second longitudinal rails as the mounting structure is arranged to mount the vessel(s) into a space between the first and second longitudinal structural rails of the chassis.

5. A working machine according to any preceding claim wherein the ground engaging structure comprises first and second wheels provided on a first side and second side of the chassis respectively, and the mounting structure is provided in a location between the first and second wheels.

6. A working machine according to claim 5 wherein the first and second wheels are rear wheels.

7. A working machine according to any preceding claim wherein the working machine further comprises an operator compartment, such as a cabin, having a roof and mounted directly or indirectly to the chassis, the mounting structure being provided on an upper side of the roof.

8. A working machine according to claim 7 when dependent upon any one of claims 2 to 6 wherein a mounting structure is provided both on the underside and/or within the chassis and on an upper side of the roof.

9. A working machine according to any preceding claim wherein the vessel(s) for the first fuel are one or more storage tanks, capable of holding a gas under pressure.

10. A working machine according to claim 9 wherein the tank(s) are generally of a cylindrical shape with domed ends.

11. A working machine according to claim 10 wherein the mounting structure is a support bracket shaped so as to securely hold one or more of such storage tanks in place.

12. A working machine according to any preceding claim further comprising a supply system for the first fuel, the supply system including a conduit such as a supply pipe or hose to allow the first fuel to flow from the vessel(s) to the prime mover and one or more valves, such as shut off valves or pressure reducing valves.

13. A working machine according to claim 12 wherein there are a plurality of vessels and the supply system further comprises a manifold arrangement to connect all of the vessels to the conduit.

14. A working machine according to claim 12 or claim 13 wherein a mounting structure is provided both on the underside and/or within the chassis and on an upper side of the roof and further comprising a common rail supply pipe to supply the first fuel to the prime mover from vessels located in the mounting structure both on the underside and/or within the chassis and on an upper side of the roof.

15. A working machine according to any preceding claim further comprising a filling system for refilling the vessel(s) with the first fuel, the filling system including a connector to which a refuelling hose may be fitted, and optionally one or more filling valves, pressure gauges, safety switches or the like.

16. A working machine according to claim 15 wherein a mounting structure is provided both on the underside and/or within the chassis and on an upper side of the roof and further comprising a common rail filling pipe to fill vessels located in the mounting structure both on the underside and/or within the chassis and on an upper side of the roof.

17. A working machine according to claim 15 or claim 16 wherein the working machine comprises a rear wheel and a stabilizer leg, wherein the connector is located between the rear wheel of the machine and the stabilizer leg of the machine.

18. A working machine according to any preceding claim wherein the second fuel is diesel, gasoline or petroleum and a fuel tank for the second fuel is mounted to the working machine.

19. A working machine according to any preceding claim wherein the working machine is a backhoe loader.

20. A working machine according to any preceding claim wherein the prime mover is configured to be simultaneously operable using the first fuel and the second fuel.