WO2011065926A1

WO2011065926A1 - Conical gearbox (semi-automatic)

Info

Publication number: WO2011065926A1
Application number: PCT/SY2009/000006
Authority: WO
Inventors: Mohamad Hassan Dali
Original assignee: Mohamad Hassan Dali
Priority date: 2009-11-24
Filing date: 2009-11-24
Publication date: 2011-06-03
Also published as: EP2521871A1; EP2521871A4

Abstract

The invention is a gear box consisting of a group of flexible conical cog-wheels (in figure 3 it resembles the structure of clutch plate in manual gear box) that are sequential, either (1) all of them or (2) half alternately. The first choice is the best, where these cog-wheels, together, form a cone. These successive cog-wheels have one rotation axle and they harmonize with the property of cog-wheel that faces this set. There is a transmission axle, that is parallel to one of cone bole generators, where it has a fixed distance to the cone and cog-wheel along with its length. Above this axle, there is a transmission cog-wheel that it moves and touches the cone, it is cogged at the bole of rotation and compatible with transmission axle cogs to enable the transmission cog-wheel to rotate, move and retreat when transmits between one cog-wheel and another, in leaps, with no need to use the clutch, save when starting and stopping.

Description

Conical Gearbox (semi-automatic) Title:

Technical Description

condition Previous technical

There are two main types

1 - Manual gearbox

2- Automatic gearbox, with the so-called tiptronic system to be added thereto (another system of co-erosive gear transmission in the automatic gearboxes).

Detailed explanation of the invention:

The gearbox comprises the following parts:

1- A set of conical gears in a series that forms a cone compact with the rotation axis, in a graded sequential manner, that is fully compatible with the cogs specifications and concordant in the interspace, its number and the cone angle follows the purpose of service. If the space where the gearbox is going to be fitted requires more streamlineness, this requires for the angle of the cone generator to be smaller. The gearbox can also be fitted with a set of extra conical gears to add more ratios that would be multiplied according to the number of their cogs, 2 or 3 or 4 so as to achieve perfect streamlineness and increase the ratios for changing speeds in commensurate with the number of gears of the main cone shaft, multiplied by the number of the gears of the extra cone shaft, such as the case in some bikes.

2- The axis of the set of conical gears is connected to the engine.

3- The all along cogged transmission gear axis that is parallel to one of the cone shaft generators at a fixed equidistance from cone.

4- The transmission gear that moves sliding on the transmission gear axle from one gear to another and rotates with the axis being cogged from its rotation axis in harmony with cogs of the cogged transmission gear axis, shifting as required, thus controlling movement, either (1 ) automatically, with the possibility for juvenile or economical driving, or (2) adjusting it to suit

Manually.

5- Mechanism for controlling transmission gear gear, which comprises two reels located close to sides of the transmission gear axle with a cable or rope rotating in between to control gear, starting with the neutral set onward to the last set. Control shall be, as aforementioned, either manual, automatic, or hydraulic jack, such as tiptronic (automatic gearboxes). 6- A mechanism for adjusting shifting from one gear to another smoothly, which lessens burden on gears and lengthens their lifetime. This mechanism has its own calcualtions, including the relation between the speed of gears set rotation and

compressibility of the springs and cogs dimensions, knowing that the difference between the number of the cogs of each two sequential gears is fixed and invariable.

7- The set of transmission gear and transmission gear fasteners that is sliding on the identical-axis conical gears, rested on two suitable channels (forming together a 120-degree angle) by means of two arms, each is contiguous with the transmission gear gear by means of a gear, and a ball-bearing at the far end of each, if the existence of such a set was necessary to prevent the vibration resultant from length or diameter of axis.

8- the casing containing parts and the necessary lubrication oil, into which movement is made from engine out to the differential gear.

9- Flexible gear: One of the gears that from the set of conical gears and adopts flexibility in relation between gear rotation axis movement and gear periphery, resting against a set of springs (may be 4 springs) that are symmetrical and at suitable

equidistance between gear axis and its cogs, as the case is with the mechanism used in the clutch of the manual transmission gearbox (Fig. 3) so as to achieve perfect stream lineness while shifting between speeds, without using clutch. However, the transmission changing speed must be very well elaborated and must be automatic, even though the gearbox system is manual.

10- Flexible gear set axis

Shifting from one conical gear axis to another, the transmission gear shall hit the snag of incompatibility and between the sequential gears, which is actual, since what secures such compatibility is the flexible design of gears through the so-called flexible gear that is provided to (1) all conical gears or (2) half of them, alternatively. Better is the first option.

However, luxurious vehicles might require more gears, so that passengers would not feel the change froin 9ne speed to another. Properties of the conical gearbox

1 - There is no need for using clutch, unless, when starting and stopping, if gearbox is manual

2- As for automatic gearboxes, speeds shall be changed as usual, but with no need to use the clutch after starting off.

3- High streamlineness in changing ratios, especially when the cone angle is smaller.

4- The position of the two sequential cone shafts affords more change ratios, equivalent to the result of multiplying the number of both cones' gears together, knowing that the number gears used is equal to the total of the two cones' gears.

5 The swift transition between gears shall save more fuel. Most importantly, it would maintain vehicle's outflow.

6- It decreases depreciation of the clutch system (clutch plate and disc).

7- Actually, it is not a semi-automatic gearbox, as starting represents one out of twenty movements or more, when using all speed ratios, save the repeated ones, when driving.

8- High reduction of RPM the driver to balance between the de- sired capability of the engine and the reality

9- With out affecting (the moment of the car) as in the gearboxes that cun ently existed, where the most appropriate rate of a group of cog-wheels can be chosen in minimum numbers and more specific rates, when using two groups of flexible cog- wheels (conical)

10- The disadvantages of gearboxes that currently existed are, whether manual or automatic, the limited rates. For example, there are, utmost, 6 rates for manual gearboxes and probably 5 rates for automatic gearboxes

l Figure 1 - The Conical Gearbox for Changing Speed Rates

1. One cog-wheel in a chain of gears, joined to spinning axle, which are sequential, graduated and exactly harmonious with teeth properties and to the same angle of the cone, which are in line with the interface, as well as, the number of these teeth and cone angle relates to the used sphere of action.

2. A sliding transmission cog- wheel which slides on sequential conical cogwheels, the way that their spinning make the transmission cog-wheel slides across the transmission axle, for changing the rates of maximization or mini-

10 mization, according to sliding direction

3. The transmission rotation axle - it is a complete shaped cog-wheel, which allows to the transmission cog-wheel to slide across it. Where it bounds to spin with it during the slide of motion transmission cog-wheel over a group of conical cog-wheels , in which, the motion transmission cog-wheel slides

^ ^~ in appropriate and limited speed

4. The motion transmission cog-wheel and motion transmission cog-wheel fixer group - they are sliding on the conical cog-wheels , where the fixers rest on two appropriate shafts ( shaping an angle between every two ele-

20 ments of 120 degrees) by two arms ended with a ball-bearing for both. If there is a necessary for this group (4), it would be preventing vibration caused by the length of axle or its diameter

5. One of two supporters of transmission cog-wheel fixer, which ends by a ball -bearing (6)

-^J 6. A ball-bearing to facilitate motion (to reduce friction)

7. A cog-wheel that is compatible with (2) cog-wheel, to give the of transmission axle more fixing, that prevents of vibration

8. One of two lateral shield to keep cog-wheels correlated and harmonious 3Q 9. An axle links directly to the engine

10. An output axle of gearbox links to differential system

1 l .The location of neutral position

12. Additional group of conical cog-wheels for more rates '

13. Controlling group, which is a sliding motion transmission cog- wheel (2). 35 This group either consists of:

Two pulleys and one suitable strong chain, one side of this chain can hold the group of motion transmission cog-wheel and cog-wheel fixer (4), that may be controlled either manually or automatically. Whereas automatically ,we can control it by a valve that could be affected by pressure, which can be set by the driver for what we can call a smooth, quite and economical driving which is the best type, or a careless or in-between Through appropriate hydraulic piston (Jack) 1 Figure 2 - The Conical Gearbox for Changing Speed Rates (two cones)

1. One conical cog-wheels in a chain that is combined with rotation axle

2. A sliding transmission cog- wheel which slides along sequential conical cog-wheels, the way that their spinning make the stire (motion) trans-

^~ mission cog-wheel slides across the transmission axle, for changing the rates of maximization or minimization, according to sliding direction

3. The transmission rotation axle, which it is cogged all along i.e. these teeth are what create the cylinder that consists the transmission rotation

10 axle. However, this axle allows the cog-wheel (2) to slide across it and is bound to spin with it during the sliding of transmission cog-wheel on the conical cog-wheel group, where the transmission cog- wheel slides at a particular and proper speed

4. An axle links directly to the engine

15 5. An output axle of gearbox links to differential system

6. Location of neutral position

7. Sliding directions of the transmission cog-wheel on the conical gear group

20 8. A set of conical cog-wheels -Putting two sets of sequential conical cogwheels, gives more rates of speed changing

9. Control group, which is in place of sliding transmission cog- wheel (2).

This set too could be

1 Two pulleys and one suitable strong chain, one side of this chain can 25 hold the group of motion transmission cog-wheel and cog-wheel fixer (4), that may be controlled either manually or automatically. Whereas, automatically ,we can control it by a valve that could be affected by pressure, which can be set by the driver for what we can call a smooth, quite and economical driving which is the best type, or a careless or in-between or

2 Through appropriate hydraulic piston (Jack) or others

10 A magnified transmission rotation axle - it is fully cogged to allow to the transmission cog- wheel to slide on

1 1 Reverse cog-wheel set

35 12 The transmission gear, that rotates with the transmission rotation axle and moves from one conical gear to another, adjacent in a divided manner 13 The inner teeth the transmission gear which are in harmony with the teeth of the transmission axle, that makes this cog-wheel able to move from one conical cog-wheel to another in a divided manner

40

When giving an order to make the transmission cog- wheel to move from one conical tooth to another, it should immediately be done, especially when driving at high speed. ί . (

Figure 3 - The flexible cog-wheel (one component of conical teeth group or sliding transmission cog- wheel )

1 . A group of springs that are suitable for the capacity, which is transmit- ted through these springs (it can be four springs)

2. Rotation axle of the flexible cog-wheel (the conical trunk cog-wheel), that goes through all cog-wheels

3. The Body of the flexible cog-wheel from one side, that is jammed be- tween two fixed discs with rotation axle from other side. These two sides are both connected to each other (by displacement relationship with an angle rating one— ) which is de ined by the dimensions of parallelogram (5) and the dimensions of spring. This principle is similar to the mechanism that is used in the attaching and detaching plate (the clutch) as in manual gear boxes, which used to reduce vibrations that generated from the mechanism of attaching and detaching

4. One of two discs that are firmly fixed with rotation axle

5. The vacuum of parallelogram, which is formed in corresponding ways for three parts the body of cog-wheel and two discs to set the spring within it

6. The Axle of conical cog-wheel group that goes through these cogwheels starting from the first one towards the last one

The flexible cog-wheel depends on the principle of flexibility relationship between rotation axle and teeth of the cog-wheel i.e. the possibility angular momentum .

Figure 4 - A projection for conical teeth group with transmission axle and cog-wheel

1. The fixers collection of transmission cog-wheel, that slides on the iden- tical axle conical cog-wheels to prevent vibrations. These fixers slide on two suitable tracks by two arms supported by a ball-bearing to facilitate sliding. If there is a toned for the ball-bearing, it would be the result of axle's length or diameter, as well as, the type of used alloy and how it is treated

2. A transmission cog-wheel that slides on a group of conical cog-wheels

3. A transmission rotation axle that is fully shaped cog-wheel

4. A ball-bearing to facilitate the sliding of fixing group of transmission cog-wheel

5. The group of conical cog-wheels, whose rotation axle is peipendicular on the paper surface, on which the group of transmission cog-wheels slides.

6. One of the two side brows (lateral sides), to keep the cog-wheels corre- lated and harmonized

7. The combining axle of all flexible cog-wheels set

1

Figure 5 - The group of transmission cog-wheel fixer when it is needful

1. The group of transmission cog-wheel fixer that slides on the conical cog -wheels, which have the same axle to prevent vibration

2. Transmission cog-wheel that slides on conical cog-wheels

3. Transmission rotation axle

Q 4. A ball-bearing to facilitate sliding of the fixing set of transmission cogwheel

5. One flexible conical cog-wheel, whose rotation axle is vertical on the paper surface

^ 6. One of the two side brows (lateral sides), that is used to keep the teeth correlated and harmonized

7. The fixing point of one of two brows for one of two supporters of transmission cog-wheel

8. The rotation axle of one of two cog-wheels that supports transmission 0

cog-wheel

Figure 6 - The two opposite sets of conical cog-wheels

1. The transmission cog-wheel fixer

2. The transmission cog-wheel that slides between set, the two conical sets 3. the fully cogged transmission rotation axle

4. A ball-bearing to facilitate sliding of the fixing set of transmission gear

5. The engine direct axle

6. An output axle of gearbox links to differential system

7. The location of neutral position

Figure 7 - One of the flexible cog-wheels and the transmission cog-wheel

1. The flexible cog-wheel

2. One of conical gear teeth that corresponds with transmission gear

3. One of transmission cog-wheel teeth

4. The transmission cog-wheel that slides on a set of conical cog-wheels

5. The location of transmission rotation axle

Figure 8- attachment to double cone gearbox for changing speed percentage:

1. one of conic gears in a chain united with rotation axis

2. set of flexible transmission gears , consisting of a number of flexible gears sliding on conic sequential and inflexible gears ; moving along the extension of transmission axis in order to change increasing and decreasing percentage as per sliding direction .

3. transmission toothed rotation axis ( i.e teeth are part of cylinder which forms transmission rotation axis ) which permits the set of flexible gears to slide on its extension , and must rotate with it during the sliding of transmission gear on the set of conic gears whereby transmission gear slides in a limited and appropriate speed.

4. Axis of direct connect to engine

5. Gearbox outlet to ( Difference )

6. location of neutral position .

7. directions of flexible transmission gears sliding on the set of conic gears .

8. additional conic gears .By placing two sets of conic sequential gears we get bigger percentage of change which is equal to the outcome of multiplying the number of gears in two sets . Notably , we use only the outcome of adding number of two sets gears .

9. control set of the location of sliding transmission gear. It can be either two reels and strong & appropriate cable , in one of its knot a set transmission gears are fixed , and can be controlled manually or automatically . It can be controlled automatically by valve , in its turn controlled by driver for economic , quite and smoothing driving , which is better than reckless driving ; or by suitable hydraulic cylin- der (jack or others for instance ) .

10. enlarged of transmission rotating axis , which completely toothed , on which set of transmission gears slide . Rest of figure 8

11.Reverse gears set

12. Enlarged transmission gears set , which rotates with the transmission rotation axis , and moves from conic gear to neighboring one .

13. Internal teeth of transmission gear which are in conformity with the teeth of transmission axis to enable this gear moving from conic gear to another but in jumps .

The space between each two conic gears is bigger than the thickness of flexible gear . ordering transmission to transmission gear from conic gear to another must be done immediately , specially when driving in high speeds .

Figure 9- set of flexible transmission gears

1. one of flexible gears , forming transmission gears set . It represents five flexible gears .

2. place of transmission axis passage .

3. one of the flexible gear spring .

Space between conic gears must be little bit bigger than the thickness of flexible gear in order not to break or cause breakage

Properties of the conical gearbox (attachment):

1 1 - reducing the average of fuel consumption to unprecedented levels that may exceed 30% , namely when driving in high speed without affecting vehicle's drawing power upon climbing .

12- this idea may erase the question of engine breakdown upon start from the directory of driving .

13- It may change the conception of designing vehicles engines in concern with the speeds of engine rotation and capacity.

Claims

4- Claims that need to be protected:

1 . The flexible gear: one of the gears that consist the set of conical cogwheels, it depends on the flexibility in the relation between the axle of the cog-wheel and its circumference, depending on a set of springs that may be four springs in the position that their edges will fall on an isosceles triangle with the center of the cog-wheel circle, to provide the flexibility needed to achieve the most flexible meshing, provided that the transition between the cog-wheels is carried out in a calculated speed, it also has to be automatic even of the gearbox type is manual. The idea of the gear is similar to the mechanism used in the clutch that is used in manual gearboxes used in cars, figure 3

2. A set of conical cog-wheels in a uni-axle series, the gears are sequential and graduated and completely harmonious in terms of teeth features and are in the same angle of the cone which is in accordance with the inter distance (so that the motion transforming cog-wheel slides in an appropriate speed and smoothly) overcoming page differences so to speak between the conic gears

3. The gearbox may be provided with a set of additional conical cogwheels to add more (degree) depending on the rang of use, so that the degree is multiplied depending on the number of additional cog-wheels 2, 3 or 4. ... so that it gives great flowing and increases the degree of speed change to the outcome of multiplying the number of cog-wheels of the main cone with the number of cog-wheels of the additional cone, knowing that the number of cog-wheels used is the output of both sets, figure 2

4. The mechanism of controlling the motion transfer cog-wheel sliding on the set of conical cog-wheels, which consists of two reels placed near the edges of the motion transfer axle. A cable or rope,runs between the two reels to control the gear starting from backward movement, then neutral, and into the last ratio in a single set of cog-wheels, figure 2, , it can be hydraulic or electric in the form of shifts 1 Rest of the claims need to be protected (complete)

5 The ability of controlling shifts between speed rates, either (1) manual or (2) automatic. As well as controlling in careless or economical driving through a valve can be set by driver

5 6 The transmission axle joins the cog-wheel across it, which meets a set of conical cog-wheels with neutral position space

7 The use of transmission rotation cog-wheel and transmission rotation fixers to prevent vibrations which slide on the identical axle conical cogwheels. They are supported by two suitable arms ending with two ball- bearings (making an angle between each other 120 degree). With the help of the two anus, each one touches the transmission cog-wheel with a suitable tooth. In the event that there is a necessary to the existence of this set, it would be prevent vibrations resulting from the length of axle and its diameter

j 8 The possibility of putting two sets of conical cog-wheel opposite each other and fully harmonious with the properties of cog-wheels . You can see more clarification on figure (5). The distance between these two sets from inside is equal. The transmission cog-wheel, at the same time, slides on interferes in the two sets of conical cog-wheels, and slides across the teeth of transmission rotation axle; It parallels to the side of cog-wheel set u of cone bole which allows to the cog-wheel (2) to slide on it and rotate to transmit the motion during sliding on the conical gear box. However, this system has a property of major and large-rate leaps

9 The set of transmission cog-wheel fixer that slides on the identical axle conical teeth to prevent vibrations. This set slides on two suitable ruts with 5 the help of two arms supported by a ball-bearing to facilitate sliding. The angle degree between them is 180. If there is a necessary to use it, this would be the axle length and its diameter

10 This system doesn't need the clutch, unless when starting, it is smooth and flexible> it would be hard to notice the speed rates changing

1

5 4 -Claims that must be protected (Attachment)

1 1 - set of which moves as one mass from conic gear to another .

12- conic gears set can be flexible or not .

5- The summary of the invention idea:

The flexible transmission gears will be concentrated against the conical gears

And the other conical gears could be flexible or not Depending on experiments

^ 6- References : non