| Title of Invention | "Multi-chambered tube or tubeless tyre" |
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| Abstract | Whenever a sharp object (e.g. a nail or a bullet) goes through the tyre causes a hole and air escapes through it and entire tyre collapses. Puncture is a local phenomenon but its effect is universal; taking the tyre, internal cavity, tube (if tube-tyre arrangement) and this invention minimizes the effect of puncture by not allowing its effect to spread throughout the universe by incorporating numerous specially conceptualized, developed and designed small sacs, conterminous to each other in a particular assemblage and supplied compressed air by unfeigned integrated supplying system as described and shown in the figure. 1. |
| Full Text | Description:- The following specification particularly describes the invention and the manner in which it is to be performed. BACKGROUND OF THE INVENTION 1. The present invention is concerned about the technical sector of vehicles provided for wheels and tyres mounted on them. Vehicles throughout the present application, means all types of vehicles including light vehicles (LVs), such as cars, motor-bikes, scooters, and utility vehicles or heavy vehicles such as lorries, trucks, heavy goods vehicles (HGVs), their trailers, civil engineering machinery, forestry vehicles, military vehicles, emergency vehicles and other such vehicles. 2. The general problem faced by many vehicles is that of accidental pressure loss amounting of running flat after some time due to escape of air and sharp decrease in pressure inside the internal cavity from the designed pressure to zero, resulting in collapsing of the side walls of the tyre in vehicles equipped with tyres. 3. The causes of such accidental pressure loss are many such as running over a sharp object like nails, hit by bullet, impact on a shape of the "pothole" or the edge of a pavement, deterioration of the valve, damage to the rim etc. 4. Amongst many methods of combating the above problem of accidental pressure loss one of the solution is using tubeless tyre. 5. In a tubeless tyre nail puncturing the tyre does not expose any valve hole as though is mostly seen in tyre-tube arrangement. Air escapes only through the actual space punctured by the nail, thus only giving some more time to drive to the workshop. 6. The unique the Zero Pressure™ tire system is designed to fit on expensive cars like Mercedes, BMW, and Honda Accord. The Zero Pressure™ tire will allow one to drive up to 50 miles at 55 mph even after being punctured. 7. The devices for sealing the puncture are based on so-called "sealing products" whose function is to block the hole giving rise to perforation of the tire. These products can be effective for holes of limited size, but these efficacy decreases rapidly over time and the presence of these products in the tires greatly complicates their mounting and removal. Again the presence of these products does not eliminate the risk of a user having to stop in the event of puncture. 8. Another type of sealing product is contained in an aerosol van and is introduced into the internal cavity through the inflation valve and applied against the internal surface of the tire by virtue of the action of a compressed gas present in the aerosol can only after a puncture. The aerosol cans are used by the users themselves hence requires the stoppage of the vehicle, which is an extremely serious drawback for the user. Again these are not effective in particular in certain cases of rapid puncture that is to say in case where a large perforation has occurred. 9. Now pressure monitoring system are available in the market which inform the user that one or more of his tires has encountered puncture. Again many devices also measure the temperature of the in the internal air so that the pressure can be corrected according to the law perfect gases. OlO.Some tyres or mounted wheel assemblies comprise a support disposed around the rim in the internal cavity of the tire. Such a support consists for example of a vulcanized rubber material which are usually reinforced by textile or metallic cable reinforcement. At abnormally low pressure, the interior of the tyre comes into contact with this support and slides over it, so gives rise to heating and mechanical damage due to friction. BRIEF DESCRIPTION OF THE INVENTION Fig. 1 shows an example of "PANDA SUPER WHEEL" according to this invention featuring small sacs referred by no.4 and 5, unfeigned integrated supplying system referred by no.2 and 3, tyre referred by no. I, internal cavity of tyre, tube and wheel rim referred by no.6. DETAILED DESCRIPTION OF THE INVENTION 001.Whenever a sharp object such as nail or bullet comes across pneumatic tyre it goes through the tread of the tyre may be it biased or bias chained or radial and punctures the tube, it causes a hole in the tube. Due to high stress the hole opens and starting the loss of air through it. This causes the entire tyre to collapse and tyre runs flat in a very small duration of time. 002.In a tubeless tyre though the tyre does not expose any valve hole and air escapes through the actual space punctured by the nail. That does not mean that running flat is completely avoided; it only gives to air to escape in a longer interval. 3. The invention "PANDA SUPER WHEEL" concerns in this concept of accidental pressure loss, which constitutes a specially conceptualized, designed and developed internal system; 4. mounted in the assemblage of tyre and wheel rim or tyre, tube and wheel rim as the case may be, so as to deal with phenomenon of loss of pressure and ultimately flat running. 5. Person having good knowledge in this field knows the mounted assemblage means the tire mounted on the rim or tyre and tube mounted in the rim and inflated to a certain pressure, known as the service pressure. 6. The invention proposes a system as described above which is capable of dealing effectively, without stopping the vehicle, and without any external means or aid, both slow (small perforations) and fast (large perforations) pressure loss situations, 7. for which no satisfactory system was known, with the possibility of preventing flat running, which is very important advantage. All these properties and capabilities are included in the present application and are included in the claims. 8. Such a combination of performance and advantages has never been achieved or approached in prior art. 009.lt has also been seen that, even when the prior art afforded very partial, isolated and temporary solutions, the efficacy was reduced and was always accompanied by drawbacks which in practice was limited to prior art of impractical theoretical solutions. 0010. Compared to earlier work in this field, a person skilled the art will easily understand that present invention creates a large breakthrough in the wheel and tyre system, as big as the invention of tyre itself. 11. Specially conceptualized, developed and designed small sacks or theca fulfills the function of combating the menace of deflation of the tyre due accidental pressure loss. 12. Unfeigned integrated supplying system of compressed air inflates the tyre as shown in fig. 1 by number 1, by assistance of the air compressor 13. means performs the function of feeding or injecting compressed air into the internal cavity of the tyre and every part thereof 14. to the desired pressure better known as "service" pressure and does comparison with pressure reference (PR). 15. "PANDA SUPER WHEEL" technology as described can be implemented in present day technologies such as 16. in performance tires with required changes as may be the condition needed. 17. in snow tires with required changes as may be the condition needed. 18. in all season tires with required changes as may be the condition needed. 19. in all season performance tires with required changes as may be the condition needed. 20. in all two wheeler vehicles with required changes as may be the condition needed. 21. in all commercial vehicles with required changes as may be the condition needed. 22. in all passenger vehicles with required changes as may be the condition needed. 23. in all types of vehicles using tyre or tyre-tube arrangement with required changes as may be the condition needed. 24. with sealing objects with required changes as may be the condition needed. 25. with tire pressure monitoring (TPM) systems with required changes as may be the condition needed. 26. with very little difference in its present outer look. 27. "PANDA SUPER WHEEL" is an integrated system of tyre, internal cavity of tyre, tube (if tube-tyre arrangement is used in the vehicle) and wheel rim as shown in fig. 1 by number 6; 28. and seeks different design in the internal cavity of the tyre in tubeless tyre for the desired performance apart from other few changes in the integrated system as may be need of the condition. 29. Again the system, in which design of the tube is different if it is a tube-tyre arrangement for desired result apart from other few changes in the integrated system as may be need of the condition; 30. means the internal part of the tyre in case of tubeless tyre and internal part of the tube in case of tyre and tube system. 31. Hence the design is different in the internal part of tyre and wheel rim assembly apart from other few changes few parts in the integrated system as required. 32. In the system specially conceptualized, developed and designed small sacs or theca in tyre as shown in fig. 1 by number 4 and 5, are conterminous to each other in a particular assemblage and in a particular increasing order in a definite ratio in specific definite direction in the internal cavity of the tyre with a varying material thickness so as to ensure minimum pressure variation in case of accidental pressure loss condition and give directional approach for better load bearing capacity and to minimize the circumferential stresses, which develops when high pressure is applied for better cornering, and that stress weakens the durability and increases the instability of ordinarily used present day tubeless tyres or any odier system. 33. In the system specially conceptualized, developed and designed small sacks or theca in tubes as shown in fig. 1 by number 4 and 5, are conterminous to each other in a particular assemblage and in a particular increasing order in a definite ratio in specific definite direction in the tube with a varying material thickness so as to ensure minimum pressure variation in case of accidental pressure loss condition and give directional approach for better load bearing capacity and to minimize the circumferential stresses, which develops when high pressure is applied for better cornering, and that stress weakens the durability and increases the instability of ordinarily used present day tyre-tube system with bias, bias chained or radial tyre or any other system. 34. The system as described above; specially conceptualized, developed and designed small sacks or envelopes in tyres arranged in specific definite direction means the direction in all the three dimensions namely X, Y and Z i.e. in radial, circumferential and transverse direction and the integrated system is configured so as to accommodate it, and changes are done in the wheel if needed and applicable as the case may be. 35. The system as described above; specially conceptualized, developed and designed small sacks or sacs in tubes arranged in specific definite direction means the direction in all the three dimensions namely X, Y and Z i.e. in radial, circumferential and transverse direction and the integrated system is configured so as to accommodate it, and changes are done in the wheel if needed and applicable as the case may be. 36. The system as described above; specially conceptualized, developed and designed small sacks or theca are arranged in one or more layers in all the three dimensions namely X, Y and Z as the case may be. 37. the said radial direction means the direction in the direction of radius starting from axle to tread of the tyre where the rim radius = R2 and outer radius of the tyre = R1- 38. adjacent to each other means touching each other in the transverse direction as well as circumferential direction and number of layers decided to be provided in radial, transverse and circumferential direction according to the width of the wheel rim 'b', R1 and R2 is 'm'; 39. transverse means the direction perpendicular to radial direction and circumferential direction; 40. circumferential direction means the direction along the circumference of the wheel; 41. n = 2π/cos-1[ 2(R2/ R1+l)2 - 1] 42. more material required = (R1 - R2)[bxn + mxπ (R1 + R2)] xt 43. Number of theca or sacs "N" = mxn 44. The system has unfeigned integrated supplying system of compressed air as shown in fig. 1 by number 2 and 3, with one central input of air and through the different inflation valve for different small sacks or theca from a gas generator comprising of a compressor to pressurize the system and to maintain it in case of accidental pressure loss condition; 45. one central input means a valve with which compressed air can be filled from a gas generator comprising of a compressor to pressurize the system and to maintain it in case of accidental pressure loss condition; 46. can be embedded to the specially designed tube in tube-tire system with "PANDA SUPER WHEEL" technology; 47. can be embedded to the specially designed wheel rim as well; 48. It can be implemented in any of the following systems such as: 49. in bias tyre with tyre-tube arrangements doing few changes in tube as described; 50. in bias belted tyre with tyre-tube arrangements doing few changes; 51. in radial tyre with tyre-tube arrangements doing few changes in tube as described; 52. in bias tubeless tyre by doing few changes as described ; 53. in bias belted tubeless tyre by doing few changes; 54. in tubeless tyre by doing few changes as described earlier. 55. in zero-pressure tyre by doing few changes as described; 56. in PAX system by doing few changes as described; 57. in any available tyre by doing few changes in tyre or tube as described earlier. 58. Example-1. In this system "PANDA SUPER WHEEL" was tested whose specifications are given below along with its testing and performance report. 0059 .Prototype Specification: Vehicle: Bajaj Chetak Scooter - Company of Tyre: MRF (B 55383 Nov. 97 ) Tyre Specification: 3.50-10, 4 Ply rating Inner Diameter of Wheel: 25cms (R2) Outer Diameter of Wheel: 43cms (R1) - m = 2, n = 5, N=10. Length of nail pierced: 3 cms 0060. Test Course Direction: City road of Sambalpur, National Highway 5, State Highway near Hirakud Dam, Gravel Road, Rocky Road near Budharaja Hillock in Orissa, India. 0061. Testing Conditions: Initial condition: Unpunctured tyre and tube, Used wheel system, 36 units of pressure. Final condition: Punctured "PANDA SUPER WHEEL", Used wheel system, 36 units of pressure. Road Condition: The test comprised of all types of road such as pitch, gravel, muddy, ill maintained road with small and large holes. I claim 1. "PANDA SUPER WHEEL" is an integrated system of tyre, internal cavity of tyre, tube (if tube-tyre arrangement) and wheel rim; seeks different design in the internal cavity of the tyre in tubeless tyre; design of the tube is different if it is a tube-tyre arrangement apart from other few changes in the integrated system as may be need of the condition, where the said internal means the internal part of the tyre in case of tubeless tyre and internal part of the tube in case of tyre and tube system. Hence, the design is different in the internal part of tyre and wheel rim assembly apart from other few changes, in few parts in the integrated system as required. 2. In the system specially conceptualized, developed and designed small sacs or sacks or theca in tyre or tube as the case may be; are conterminous to each other in a particular assemblage, and in a particular increasing order in a definite ratio in specific definite direction, in the internal cavity of the tyre or tube as the case may be; with a varying material thickness, so as to ensure minimum pressure variation, in case of accidental pressure loss condition and give directional approach for better load bearing capacity and to minimize the circumferential stresses, which develops when high pressure is applied for better cornering, and that stress weakens the durability and increases the instability of ordinarily used present day tubeless tyres or tyre-tube arrangement with bias, bias chained or radial tyre or any other system; as the case may be. 3 The system according claim 1 and 2 specially conceptualized, developed and designed small sacks or envelopes are arranged in one or more layers in all the three dimensions, in tyres or tube as the case may be, arranged in specific definite direction, means the direction in all the three dimensions namely X, Y and Z i.e. in radial, circumferential and transverse direction; and the integrated system is configured so as to accommodate it, and changes are done in the wheel if needed and applicable as the case may be; where adjacent to each other means touching each other in the transverse direction as well as circumferential direction, radial direction means the direction in the direction of radius starting from axle to tread of the tyre, circumferential direction means the direction along the circumference of the wheel, transverse means the direction perpendicular to radial direction and circumferential direction. 4. The system has unfeigned integrated supplying system of compressed air with one central input of air and through the different inflation valve for different small sacks or theca, from a gas generator comprising of a compressor to pressurize the system and to maintain it in case of accidental pressure loss condition, where one central input means a valve with which compressed air can be filled from a gas generator comprising of a compressor to pressurize the system and to maintain it in case of accidental pressure loss condition, and can be embedded to the specially designed tube in tube-tire system, to the tubeless tire and also to the specially designed wheel rim to implement the desired technology, as claimed earlier as may be the requirement of the integrated system. 5. The technology can be implemented in bias tyre, bias belted tyre, radial tyre, with tyre-tube arrangements; and in tubeless tyre, bias tubeless tyre, bias belted tubeless tyre, radial tubeless tyre, zero-pressure tyre, PAX system, all season tires, performance tires, all season performance tires, snow tires, and in any available tyre; in all passenger vehicles, all commercial vehicles, all two wheeler, all types of vehicles using tyre or tyre-tube arrangement, doing few changes in internal cavity of tyre or tube as the case may be, as described in earlier claims; with or without tire pressure monitoring (TPM) systems, with or without sealing objects; incorporating few changes so as to accommodate the additional systems, with very little or no difference in its present outer look as may be the condition. |
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| Patent Number | 272393 | ||||||||
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| Indian Patent Application Number | 559/DEL/2005 | ||||||||
| PG Journal Number | 14/2016 | ||||||||
| Publication Date | 01-Apr-2016 | ||||||||
| Grant Date | 31-Mar-2016 | ||||||||
| Date of Filing | 16-Mar-2005 | ||||||||
| Name of Patentee | SAMEER PANDA | ||||||||
| Applicant Address | C/O ADV. SAGAR PRADHAN, #20 CENTRAL LANE BACK SIDE, BENGALI MARKET, NEW DELHI, INDIA PIN: 110001 | ||||||||
Inventors:
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| PCT International Classification Number | B60B 7/00 | ||||||||
| PCT International Application Number | N/A | ||||||||
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PCT Conventions:
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