CN101500826A

CN101500826A - Amphibious vehicle

Info

Publication number: CN101500826A
Application number: CNA2007800283225A
Authority: CN
Inventors: A·T·吉布斯; K·泰福
Original assignee: Gibbs International Technologies Ltd
Current assignee: Gibbs Technologies Ltd; Gibbs International Technologies Ltd
Priority date: 2006-06-06
Filing date: 2007-06-06
Publication date: 2009-08-05
Also published as: GB0611139D0; TW200824932A; EP2029375A1; WO2007141515A1; GB2438844A

Abstract

Amphibious vehicle (110) has a bow (113) and a stern (119). Land propulsion means may comprise at least two retractable tracked drives (122). A marine drive may comprise a jet drive (not shown). The tracks (122) are retractable above the water line (fig 9) for marine travel. The vehicle may plane, and may have a vee type hull (111). The tracks may be full length (figs 1, 13, 14); dual tracks (fig 5); or ''half tracks'' (fig 4). Wheels (124, 126) may be provided for land travel, and may be retractable. The tracks may retract vertically, or by rotation about a longitudinal axis (fig 11). Mudguards may be provided (52, fig 12). Track retraction guides may be provided (14, fig 2); a vehicle roof (not shown) may be attached to said guides. Hydraulic rams used to retract the land propulsion means may also provide vehicle suspension.

Description

Amphibian vehicle

The present invention relates to a kind of amphibian vehicle, in particular to a kind of amphibian vehicle that supports and drive by tracked drive at least in part.

In conventional overland vehicle, the layout of axletree is ramp breakover angle on the one hand and angle of attach on the other hand and the compromise result of departure angle.Figure 15 shows these angles of vehicle 500.Front-wheel 503 is installed on the front axle, and trailing wheel 504 is installed on the rear axle.These axletrees must interiorly be partial to the outer end 505,506 of vehicle to produce acceptable ramp breakover angle 507; But this is by reducing angle of attach 501 and departure angle 502 has limited manoevreability.Conventional equally is to be partial to bumper/spoiler in the axletree to be formed for absorbing the crushable space of impact.But, under the situation of main concern cross-country mobility, crawler belt is installed between front axle and rear axle is made ramp breakover angle become incoherent notion.Vehicle will can be based on the beam between these axletrees (sill), because the crawler belt support vehicle is arranged.This makes front axle and rear axle extrapolated towards bumper/spoiler, with angle of attach 501 and departure angle 502 maximizations.

Tracklaying vehicle has many advantages when cross-country, but limited in one's ability on road.Their speed slow (maximum recommended speed only can be 40mph or 64km/h); Noise is often arranged; Can use many fuel; And also can damage the hard pavement.In the frequent distressful age of relations between the army and the people, military vehicle is carried out, make military vehicle advance more not noticeable and more difficultly to cause that any improvement of hostility all is huge advantage along highway.

By jolt and the resilience pattern under the suspension travel of low pressure tire and lengthening is provided, the wheeled car repacking can be suitable for using when cross-country.But these repackings can be limited in speed, the economy on the road and control easness.Provide crawler belt to make tire and suspension be adjusted to and be more suitable for road usage, and can avoid using the low pressure tire that on road, has speed limit.

Document US 5,752,862 have described a kind of amphibian vehicle with tracked drive.This vehicle can stand on the water on the horizontal surface and as a coasting vehicle and advance.The problem that described amphibian vehicle has is that tracked drive is extended below hull, this has increased resistance and can stop vehicle to turn to reliably.

According to the present invention, provide a kind of amphibian vehicle according to appended claim.

In first aspect, the invention provides a kind of amphibian vehicle, comprising:

The land propelling unit;

Water propeller; And

Be used at least one tracked drive and at least one wheel of support vehicle on land, wherein:

This land propelling unit comprises one or more in this at least one tracked drive and at least one wheel, and

At least one tracked drive and at least one wheel are retractable into more than the vehicle waterline separately individually, to be used on land or to use vehicle on the water.

The present invention also provides a kind of amphibian vehicle in land and use waterborne, comprise main vehicle structure, land propelling unit and water propeller, wherein this land propelling unit comprises at least two tracked drive, it is characterized in that this tracked drive can be withdrawn into more than the floating line of vehicle, to use this vehicle on the water.

Preferably, amphibian vehicle is suitable for sliding on the water, and has the V-type hull.

Preferably, water propeller is a pump jet.

Preferably, tracked drive is extended along the whole length of vehicle substantially.

Preferably, tracked drive is provided with towards the rear portion of vehicle, and wheel is provided with towards the front portion of vehicle.

Preferably, first pair of tracked drive is provided with towards the rear portion of vehicle, and second pair of tracked drive is provided with towards the front portion of vehicle.

Preferably, the land propelling unit provides power by mechanical drive.

Alternatively, the land propelling unit provides power by electric actuator.

Alternatively, the land propelling unit provides power by hydraulic actuator.

Preferably, the land propelling unit provides power by a driving device that comprises machinery and Hydraulic Elements.

Preferably, Hydraulic Elements comprise hydraulic wheel motors.

Preferably, tracked drive can substantially vertically be withdrawn.

Preferably, tracked drive is around one or more axle regractings that extend along longitudinal direction of car, so that each tracked drive is withdrawn with camber line around described axle.

Preferably, the position of the withdrawal of tracked drive is basically perpendicular to their position of stretching out.

Preferably, tracked drive is withdrawn by means of threaded drives.

Preferably, tracked drive is by hydraulic actuating cylinder or air cylinder withdrawal.

Preferably, hydraulic actuating cylinder or air cylinder also provide vehicle suspension elasticity.

Preferably, hydraulic actuating cylinder or air cylinder also provide vehicle suspension damping.

Preferably, tracked drive has the induction element of guiding tracked drive withdrawal, and this induction element is positioned at the pipe that is attached to main vehicle structure.

Preferably, the described pipe width that strides across vehicle by attachment is each other in to attached.

Preferably, tracked drive has the induction element of this tracked drive withdrawal of guiding, and this induction element is positioned at the slideway that is attached to main vehicle structure.

Preferably, the described slideway width that strides across vehicle by attachment is each other in to attached.

Preferably, car bonnet or roof are attached to described attachment.

Preferably, tracked drive has the mudwing that is installed in more than the crawler belt.

Preferably, described mudwing is attached to tracked drive, so that can therewith withdraw.

Preferably, described vehicle is provided with the steering position of " forward direction control ".

Preferably, wheel is arranged on described tracked drive before with afterwards.

Preferably, tracked drive regracting on land.

Preferably, wheel regracting on land.

Preferably, all wheels all are driven.

Preferably, at least two wheels can be used for Vehicular turn.

Preferably, at least one tracked drive can be stopped, with Vehicular turn.

Preferably, at least one tracked drive can be fallen back, with Vehicular turn.

On the other hand, the invention provides a kind of amphibian vehicle, comprise main vehicle structure, land propelling unit and water propeller, wherein this land propelling unit comprises at least one tracked drive and at least one wheel;

It is characterized in that,

This at least one tracked drive and at least one wheel can be withdrawn into more than the vehicle waterline, to use this vehicle on the water.

On the other hand, the invention provides a kind of substantially as described herein or as the one or more shown amphibian vehicle in the accompanying drawing 1 to 14.

Now only the preferred embodiments of the invention are described with reference to the accompanying drawings by the mode of example, in the accompanying drawings:

Fig. 1 is the schematic side elevation according to first embodiment of amphibian vehicle of the present invention;

Fig. 2 is the schematic main cutaway view of amphibian vehicle according to the present invention at first state;

Fig. 3 is the schematic main cutaway view of amphibian vehicle according to the present invention at second state;

Fig. 4 is the schematic side elevation according to second embodiment of amphibian vehicle of the present invention;

Fig. 5 is the schematic side elevation according to the 3rd embodiment of amphibian vehicle of the present invention;

Fig. 6 is the schematic side elevation of the 4th embodiment of amphibian vehicle at first state;

Fig. 7 is the schematic side elevation of the 4th embodiment of amphibian vehicle at second state;

Fig. 8 is the schematic side elevation of the 4th embodiment of amphibian vehicle in the third state;

Fig. 9 is the schematic side elevation of the 4th embodiment of amphibian vehicle at four condition;

Figure 10 is the schematic main cutaway view of another embodiment of amphibian vehicle at first state;

Figure 11 is the schematic main cutaway view of the amphibian vehicle of Figure 10 at second state;

Figure 12 is the schematic main cutaway view of the another embodiment of amphibian vehicle of the present invention;

Figure 13 is an amphibian vehicle of the present invention block diagram in use;

Figure 14 is amphibian vehicle of the present invention another block diagram in use; And

Figure 15 is the schematic side elevation of prior art vehicle.

Fig. 1 shows the amphibian vehicle 10 of the main vehicle structure with hull 11 forms.This vehicle has front portion (fore) 13 and rear portion (stern) 19.Vehicle advances by land by a tracked drive 12, and this tracked drive 12 is along each side longitudinal extension of hull 11.Each tracked drive 12 is the single crawler belts on each side of vehicle.Tracked drive 12 comprises one or more wheel 15 and one or more non-wheels 16 that are driven of being driven.Tracked drive 12 further comprises the crawler belt 18 that adopts endless loop (endless loop) form conventional tracked drive arrangement, that supported by wheel 15,16.Vehicle 10 is shown as and stand on the ground 520.

Tracked drive 12 is extended along the whole length of vehicle 10 substantially.Can vehicle 10 be turned to by the tracked drive on each side that operates in hull independently 12.Crawler belt 18 can have the width of about 300mm.

Hull 11 is V-type hulls as shown in Figure 2.Vehicle 10 has the water propeller that is used for advancing on the water in addition.This is the form of at least one jeting driving device (not shown) preferably.This jeting driving device can produce enough power, slides on the water to allow vehicle 10.

Fig. 2 shows the front view of amphibian vehicle 10.Each tracked drive 12 has at least one induction element that is positioned at one or more slideways 14.Contiguous hulls of slideway 14 11 are basic vertically to be extended, and allows tracked drive 12 to rise substantially vertically or fall.Slideway 14 can be the form of pipe.Slideway 14 strides across the width of vehicle 10 and arranges in pairs.Pairs of slides 14 can be attached to one another by the width that the attachment (not shown) strides across vehicle 10.

The hydraulic actuating cylinder (not shown) is connected to tracked drive 12, and can operate in slideway 14 and be used for rising or falling tracked drive 12.Tracked drive 12 can rise to them more than the floating line of vehicle 10 always.This makes vehicle 10 to slide on the water and not from the interference or the resistance of tracked drive.Tracked drive 12 can rise to more than the height of any rudder.It is all that to stretch out operation opposite with described retraction operation.

Hydraulic actuating cylinder may further be vehicle 10 suspension elasticity is provided.Hydraulic actuating cylinder may further be vehicle suspension damping is provided, and known to from WO 01/74612, the document is contained in this paper by reference.

Car bonnet or roof (not shown) can be supported by slideway 14.Car bonnet or roof can be attached to attachment.Car bonnet can for example provide protection in order to avoid attacked army firepower for automotive occupant provides physical protection in military conflict.

Fig. 3 shows the amphibian vehicle of Fig. 2, and wherein tracked drive 12 upwards rises.Tracked drive 12 rises to more than the height of floating line of vehicle 10.

Fig. 4 shows second embodiment of amphibian vehicle 20.Described vehicle has front portion (fore) 23 and rear portion (stern) 29.Amphibian vehicle 20 is provided with the half-track 22 at the rear portion of adjacent vehicle.On each side of hull 21, be positioned with a half-track 22.The function class of half-track 22 is similar to the tracked drive 12 among Fig. 1, and extends on the partial-length of vehicle 20.

The front portion of adjacent vehicle 20 is positioned with a pair of wheel 24.As reference Fig. 2 and 3 described, half-track 22 can upwards vertically rise along slideway.Wheel 24 can rise or rise by any device that other is used for retracting wheel with slideway.

Fig. 5 shows the amphibian vehicle 30 with four groups of crawler belts.Preceding tracked drive 32 and back tracked drive 33 are arranged on each side of hull 31.Can vehicle 32 be turned to by the crawler belt that drives independently on each side.

Fig. 6 shows another embodiment of amphibian vehicle 110.Described vehicle has front portion (fore) 113 and rear portion (stern) 119.Vehicle 110 has a pair of front-wheel 124 and pair of rear wheels 126.A pair of tracked drive 122 is positioned between the front-wheel 124 and trailing wheel 126 on the vehicle both sides.As reference Fig. 2 and 3 described, front-wheel 124, trailing wheel 126 and tracked drive 122 can rise on slideway 114 or fall independently.Fig. 6 shows in the position of falling and front-wheel 124, trailing wheel 126 and tracked drive 122 that extend below hull 111.Vehicle 110 is shown as and stand on the ground 520.

This is arranged in when cross-country is favourable, even described crawler belt also can engage the face of land on irregular terrain when cross-country.Wheel allows to obtain good turning to, especially on hardstand.

Fig. 7 shows amphibian vehicle 110, and wherein front-wheel 124 and trailing wheel 126 rise on slideway 14.Tracked drive 122 is in the position of falling, and can advance amphibian vehicle on land.This is furnished with and is beneficial to cross-country advancing, because crawler belt more can be crossed irregular terrain than wheel, especially because they provide very little surface pressure.

Fig. 8 shows the amphibian vehicle of Fig. 6, and wherein tracked drive 122 rises on slideway 114.Front-wheel 124 and trailing wheel 126 keep falling, to drive and steered vehicle 110.This state is favourable on road, and wheel 124,126 allows relatively fast, quietly advances on road, and allows steadily turning to of amphibian vehicle 110.

Fig. 9 shows the front-wheel 124 and the trailing wheel 126 of rise.Tracked drive 122 also rises.This allows amphibian vehicle 110 to advance on the water, and it can advance by injected actuating device on the water.Wheel 124,126 and tracked drive 122 rise to floating line more than 510, allow vehicle to slide on the water and not from the interference of wheel 124,126 or tracked drive 122.

Can drive all front-wheels 124 and trailing wheel 126.Alternatively, can only drive front-wheel 124 or trailing wheel 126.Front-wheel, trailing wheel or all wheels can be used on land with Vehicular turn.For with Vehicular turn, at least one tracked drive also can drive, stops or falling back.

Figure 10 shows the replacement device that is used to rise and fall tracked drive.This device can be used for any one aforesaid embodiment.Tracked drive 212 is installed on the load-carrying element 230.When tracked drive 212 during in the position of falling, load-carrying element 230 extends straight down from main structure.

As shown in figure 11, load-carrying element 230 pivots are attached to main structure rotatably, so that tracked drive 212 can be with laterally outwards swing of camber line.Tracked drive 212 is rotated along the substantially longitudinally extending axle of vehicle around one or more.Load-carrying element 230 can rotate to horizontal direction by pivot, so that promote tracked drive 212 away from hull 211 and the floating line that rises to vehicle 210 more than 510.Therefore, the position of withdrawal is basically perpendicular to the position of stretching out.When on the water, can serve as the guar plate that is used for amphibian vehicle in the tracked drive 212 of the position of withdrawing.

As mentioned above, wheel also can be by rising with arc rotating or falling.

As shown in figure 12, mudwing 52 or splash board 52 can be arranged on tracked drive 12 tops.Mudwing 52 can rigid attachment arrive hull 11, so that mudwing 52 does not move when tracked drive 12 rises or falls.Alternatively, mudwing 52 can be attached to tracked drive and/or slideway, so that mudwing 52 rises with tracked drive 12 or falls, to be maintained fixed distance with crawler belt 18.

Figure 13 shows the vehicle in use 10 that slides on the water.Figure 14 shows vehicle in use 10 tracked drives lowered, on land.

The wheel of any embodiment and/or tracked drive can provide power by mechanical drive.Alternatively, wheel and/or tracked drive can provide power by electric actuator or hydraulic actuator.Alternatively, wheel and/or tracked drive can provide power by a driving device that comprises machinery and Hydraulic Elements.Described Hydraulic Elements can be hydraulic wheel motors.

The wheel of any embodiment and/or tracked drive can be fallen on the water; Perhaps fallen for limited speed in the crowded space of for example harbour or harbour or the like; Fallen in order to prepare to land; Perhaps be unpredictable such as the depth of water wherein and the zone marshy of continuous variation in fallen.In addition, eugonic aquatic organism may be blocked the pump jet inlet in marshy area.

Though having conceived vehicle according to the invention should be able to fall back on the water, but the shape that has the typical gliding type hull of tapered bow and butt stern shows, because the difference of the hydrodynamicresistance that run on each direction, vehicle may can be far away faster than advancing on reverse direction advancing on the working direction.Usually, amphibian vehicle will have and on-road vehicle or the similar ratio of boats and ships, and length is about 1.5～5 times of its width, preferably 2.5～4 times.Reality and statutory restrictions to the on-road vehicle width are significant effects at this, and the water handling characteristic of hull also is same.The conventional direct of travel of amphibian vehicle is the length along it.

Mention the place of " main structure " of vehicle in claim, for use waterborne, " main structure " should be considered to hull, and uses for land, should be considered to vehicle body.

Any described embodiment can from the front portion of vehicle, preferably handle at the steering position of driving engine fwd " forward direction control ".For this vehicle, in the windshield front portion considerably less car body is arranged, may have only bumper/spoiler.This kind steering position is in land and the excellent visibility that all provides waterborne.In Military Application, obvious defects is the visiblity for enemy firepower; And under case of collision, lack crushable structure in the place ahead of driver.

Jeting driving device has been described to provide driving to vehicle on the water.Alternatively, can use outboard drive set waterborne or propelling unit or a plurality of propelling unit.Provide outboard drive set waterborne to promote from the comfort feature of the on-road vehicle conversion of special use.Alternatively, vehicle can have two or more jeting driving devices that is used for advancing on the water.

Tracked drive and wheel have been described to be actuated to be used for powered vehicle on land.Alternatively, wheel can be driven, and tracked drive is not driven.Alternatively, tracked drive is driven, and wheel is not driven.

Hydraulic actuating cylinder has been described to rise or fall tracked drive.Alternatively, tracked drive can move by means of threaded drives, HM Hydraulic Motor or other suitable device.Alternatively, tracked drive can rise or falls by air cylinder or other pressurized air actuating device.Air cylinder may further be vehicle suspension elasticity is provided.Air cylinder may further be vehicle suspension damping is provided.

As required, can between actuating device and tracked drive and/or wheel, use pivotally supported pitman arm or other linkage.

Tracked drive has been described to be installed in the both sides of hull.Alternatively, can provide single tracked drive, it is longitudinal extension under the center line of hull.Alternatively, can provide three tracked drive, on each side of hull, all have one, and under the center line of hull, have one.Tracked drive can be positioned on the side of hull with going out as shown, perhaps is installed in below the hull partially or entirely.

A pair of front-wheel or pair of rear wheels have been described.Alternatively, vehicle can have the trailing wheel of a pair of front-wheel and single centre.Alternatively, vehicle can have the front-wheel of pair of rear wheels and single centre.Alternatively, vehicle can have wheel or the tracked drive more more or less than any shown specific embodiments.For example, vehicle can have two pairs of front-wheels at front part of vehicle, has a pair of half-track at the rear portion of vehicle.Alternatively, vehicle can have a pair of front-wheel and have the crawler actuator of installing in the middle of single at the rear portion of vehicle.Alternatively, vehicle can have a pair of tracked drive and the wheel that has single centre in the front portion of vehicle at the rear portion.

Claims

1. amphibian vehicle comprises:

The land propelling unit;

Water propeller; And

At least one tracked drive and at least one wheel are to be retractable into individually separately more than the vehicle waterline, with on land or use vehicle on the water.

2. according to the amphibian vehicle of claim 1, wherein this at least one tracked drive and this at least one wheel are retractible individually separately using this vehicle on land, thereby allow to select to be used for to support on land and the land way of contact of propelled vehicles.

3. according to the amphibian vehicle of claim 1 or 2, it is applicable on the water and slides.

4. according to each the amphibian vehicle in the aforementioned claim, it is applicable to and slides on the water and have a V-type hull.

5. according to each the amphibian vehicle in the aforementioned claim, wherein this water propeller is a pump jet.

6. according to each the amphibian vehicle in the aforementioned claim, wherein this at least one tracked drive is extended along the whole length of vehicle substantially.

7. according to each the amphibian vehicle in the claim 1 to 5, wherein this at least one tracked drive is provided with towards the rear portion of vehicle, and this at least one wheel is provided with towards the front portion of vehicle.

8. according to each the amphibian vehicle in the claim 1 to 5, wherein this at least one tracked drive comprises the first pair of tracked drive that is provided with towards the rear portion of vehicle, and the second pair of tracked drive that is provided with towards the front portion of vehicle.

9. according to each the amphibian vehicle in the aforementioned claim, wherein this land propelling unit provides power by mechanical drive.

10. according to each the amphibian vehicle in the claim 1 to 8, wherein this land propelling unit provides power by electric actuator.

11. according to each the amphibian vehicle in the claim 1 to 8, wherein this land propelling unit provides power by hydraulic actuator.

12. according to each the amphibian vehicle in the claim 1 to 8, wherein this land propelling unit provides power by a driving device that comprises machinery and Hydraulic Elements.

13. according to the amphibian vehicle of claim 12, wherein these Hydraulic Elements comprise hydraulic wheel motors.

14. according to each the amphibian vehicle in the aforementioned claim, wherein this at least one tracked drive and/or at least one wheel can substantially vertically be withdrawn.

15. according to each the amphibian vehicle in the claim 1 to 13, wherein this at least one tracked drive and/or at least one wheel are around one or more axle regractings that extend along longitudinal direction of car, so that each tracked drive and/or each wheel are withdrawn with camber line around this axle.

16. according to the amphibian vehicle of claim 15, wherein the position of the withdrawal of each tracked drive and/or each wheel is basically perpendicular to their position of stretching out.

17. according to each the amphibian vehicle in the aforementioned claim, wherein this at least one tracked drive and/or at least one wheel are withdrawn by means of threaded drives.

18. according to each the amphibian vehicle in the claim 1 to 16, wherein this at least one tracked drive and/or at least one wheel are by hydraulic actuating cylinder or air cylinder withdrawal.

19. according to the amphibian vehicle of claim 18, wherein this hydraulic actuating cylinder or air cylinder also provide vehicle suspension elasticity.

20. according to the amphibian vehicle of claim 18 or claim 19, wherein this hydraulic actuating cylinder or air cylinder also provide vehicle suspension damping.

21. according to each the amphibian vehicle in the aforementioned claim, wherein this at least one tracked drive and/or at least one wheel have the induction element of each tracked drive of guiding and/or each wheels retracted, and this induction element is positioned at the pipe that is attached to vehicle.

22. according to the amphibian vehicle of claim 21, wherein this pipe width of striding across vehicle by attachment is each other in to attached.

23. according to each the amphibian vehicle in the claim 1 to 16, wherein this at least one tracked drive and/or at least one wheel have the induction element of each tracked drive of guiding and/or each wheels retracted, and this induction element is positioned at the slideway that is attached to main vehicle structure.

24. according to the amphibian vehicle of claim 23, wherein this slideway width of striding across vehicle by attachment is each other in to attached.

25. according to the amphibian vehicle of claim 22 or 24, wherein car bonnet or roof are attached to this attachment.

26. according to each the amphibian vehicle in the aforementioned claim, wherein this at least one tracked drive and/or at least one wheel have be installed in crawler belt and/the above mudwing of wheel.

27. according to the amphibian vehicle of claim 26, wherein this mudwing is attached to tracked drive and/or wheel, so that can therewith withdraw.

28. according to each the amphibian vehicle in the aforementioned claim, wherein this vehicle is provided with the steering position of " forward direction control ".

29. according to each the amphibian vehicle in the aforementioned claim, wherein this at least one wheel comprises and is set at before this at least one tracked drive and one or more wheels afterwards.

30. according to each the amphibian vehicle in the aforementioned claim, wherein:

This at least one wheel comprises a plurality of wheels;

This at least one tracked drive comprises a plurality of tracked drive; And

Each wheel and each tracked drive are retractible independently and corresponding being positioned on the vehicle, thereby allow to select the land way of contact, and this land way of contact can be selected be used on land being used for.

31. according to the amphibian vehicle of claim 30, wherein Xuan Ding tracked drive is contracted on land.

32. according to the amphibian vehicle of claim 30 or 31, wherein Xuan Ding wheel is contracted on land.

33. according to each the amphibian vehicle in the aforementioned claim, wherein all wheels are driven.

34. according to each the amphibian vehicle in the aforementioned claim, wherein at least two wheels can be used for Vehicular turn.

35. according to each the amphibian vehicle in the aforementioned claim, wherein at least one tracked drive can be stopped, with Vehicular turn.

36. according to each the amphibian vehicle in the aforementioned claim, wherein at least one tracked drive can be fallen back, with Vehicular turn.

37. an amphibian vehicle comprises main vehicle structure, land propelling unit and water propeller, wherein this land propelling unit comprises at least one tracked drive and at least one wheel;

It is characterized in that:

38. amphibian vehicle, this amphibian vehicle are substantially as described previously or shown in one or more in the accompanying drawing 1 to 14.

39. the purposes of amphibian vehicle, this amphibian vehicle are substantially as described previously or shown in one or more in the accompanying drawing 1 to 14.