WO2009125878A1 - Solution antiroulis pour automobile - Google Patents

Solution antiroulis pour automobile Download PDF

Info

Publication number
WO2009125878A1
WO2009125878A1 PCT/KE2008/000017 KE2008000017W WO2009125878A1 WO 2009125878 A1 WO2009125878 A1 WO 2009125878A1 KE 2008000017 W KE2008000017 W KE 2008000017W WO 2009125878 A1 WO2009125878 A1 WO 2009125878A1
Authority
WO
WIPO (PCT)
Prior art keywords
wheel
aas
vehicle
tyre
wheels
Prior art date
Application number
PCT/KE2008/000017
Other languages
English (en)
Inventor
Bagha Mohamed Nazir
Original Assignee
Bagha Mohamed Nazir
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bagha Mohamed Nazir filed Critical Bagha Mohamed Nazir
Publication of WO2009125878A1 publication Critical patent/WO2009125878A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B11/00—Units comprising multiple wheels arranged side by side; Wheels having more than one rim or capable of carrying more than one tyre
    • B60B11/06—Wheels with more than one rim mounted on a single wheel body

Definitions

  • This invention relates to automotive safety in general; but more specifically to a safety device deployable to mitigate the consequences of tyre burst in the front suspension. It is aimed at preventing a motor vehicle from-overturning in the event of a front wheel blowout.
  • a principal object of the present invention is therefore to prevent deaths and near death injuries to the occupants of the vehicle involved in such an accident.
  • Another object of the present invention is to provide a device that instantaneously takes up all the weight and functions of the blown-out standard front wheel and thus help the driver to remain in full control of the vehicle in such an eventuality.
  • Yet another objective of the invention is to preserve the vehicles operational, aerodynamic and aesthetic aspects. - -
  • the further object of the present invention is to ensure that a motorist always has more than one spare wheel on which to continue his journey without facing the hazard of getting stuck in the middle of nowhere.
  • Yet a further object of the invention is to increase traction and improve grip in snow mud or sand by converting any ordinary two wheel drive automobile into a four wheel drive motor vehicle into an eight wheel drive vehicle.
  • the invention consists of a specially designed additional wheel that can be attached to the existing front wheels of the vehicle; which immediately takes up the weight and functions of the burst wheel. Thus preventing the driver to lose control of the steering wheel and eventually keep the vehicle on the road.
  • the AAS wheel (1) consists of a specially shaped metal wheel rim (2) with a bulge (5) and fitted with a narrow rubber tyre (3). Which is co-fastened with the standard tyre (4) to the hub of a front wheel of a vehicle using the normal wheel studs (6).
  • the AAS wheel is smaller than the conventional wheel and it stays above the ground under normal driving conditions. This will save the user from incurring any extra running cost of the vehicle and at the same time will facilitate all the front four wheels to take full cornering curves, without touching the mudguards, as per vehicles specifications.
  • Fig 1 is cut-up section of the AAS wheel.
  • Fig 2 is cut-up view of the AAS wheel attached to the conventional wheel showing the relative dimensional parameters used in size matching.
  • Fig 3 is an illustration of the AAS wheel in contact with the road surface following a tyre burst of the conventional wheel.
  • the automobile anti-roll solution (AAS) (1) provided herein comprising the use of an additional special wheel (1) to be attached to the each of the existing two front wheels (4) of a motor vehicle to prevent the vehicle from overturning in the event of any front wheel tyre burst.
  • wheel rim (2) to accommodate a rubber tyre (3) of a size designed to be smaller and narrower than the target standard front wheel (4) with which it is intended to be used.
  • the rim (2) has a bulge (5) that ensures close geometric cooperation with the target front wheel (4) so that the AAS wheel (1) is positioned as closely as possible to the front wheel (4) thus ensuring that the protrusion of the tyre (3) outside the body frame of the vehicle is minimized.
  • the complete AAS wheel-Fig. 1,2- is designed to have a small overall diameter (Da) to keep it off the ground by a pre-determined clearance (ch) to save on wear and tear expenses of an extra wheel and also to facilitate full steering curve without touching the mudguard.
  • the metal rim (2) may be designed to be of the same diameter (Dra) as that of the target front wheel (4) so as to ensure that rims of similar geometric patterns may be easily manufactured through the use of equipment and processes used to manufacture standard rims-with minor modifications to include the bulge (5).
  • the rubber tyre (3) used is also as narrow as possible to avoid excessive protrusion outside the vehicle body frame. Since the rubber tyre (3) is narrow, it automatically has a proportionally reduced diametric size to ensure that its overall diameter (Da) is less than the diameter of the target wheel by twice the required clearance (ch).
  • the AAS wheel (1) being smaller than the conventional wheel (4) and since it stays above the ground under normal driving conditions, will save the user from incurring any extra running cost of the vehicle and at the same time will facilitate all the front four wheels to take full cornering curves, without touching the mudguards, as per vehicles specifications.
  • the AAS wheel (1) is specifically designed for it to be easily fitted to the standard front wheels of the vehicle without any modifications to the original fittings, and by using the same existing studs and nuts (6) of the vehicle.
  • the designed AAS wheel tyre size 115/70 D14 - 88M is inflated to 60psi and fitted to an unloaded NISSAN/ TOYOTA "Matatu" (any model) having a conventional tyre size 185/ 65 R14 - 86H inflated to 40psi the position of the AAS wheel will be approximately 30mm (ch) above the road surface.
  • the AAS will only come into full contact with the road surface when the conventional wheel is totally deflated or gets a blowout.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

L'invention concerne une solution antiroulis pour automobile (AAS) se présentant sous la forme d’un dispositif de sécurité faisant appel à une roue supplémentaire spéciale à fixer à chacune des deux roues avant existantes d’un véhicule à moteur pour empêcher le véhicule de se retourner en cas d’éclatement de pneu sur l’une quelconque des roues avant. La roue AAS (1) possède deux composants principaux : une jante métallique (2) de roue de forme spéciale destinée à être chaussée d’un pneu (3) en caoutchouc conçu pour être d’une plus petite dimension et plus étroit que la roue avant (4) standard considérée avec laquelle il est prévu de l’utiliser. Lorsqu’un véhicule circule, et si l’un quelconque des pneus avant standard éclate, la roue AAS qui y est fixée prend immédiatement le relais pour assurer les fonctions de la roue conventionnelle, empêchant ainsi la jante de la roue dont le pneu a éclaté de heurter la surface de la route et aidant par la même le conducteur à garder le contrôle et à éviter que le véhicule ne se retourne. La roue AAS complète est conçue pour être de petite taille afin de la maintenir surélevée d’environ 30 mm par rapport au sol et d’économiser ainsi les frais liés à l’usure d’une roue supplémentaire, tout en facilitant les virages nécessitant un braquage maximal sans toucher le garde-boue. Un pneu étroit (3) en caoutchouc est utilisé pour éviter qu’il ne dépasse excessivement à l’extérieur de la structure de la carrosserie du véhicule.
PCT/KE2008/000017 2008-04-10 2008-07-01 Solution antiroulis pour automobile WO2009125878A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KE73108 2008-04-10
KEKE/P/2008/00731 2008-04-10

Publications (1)

Publication Number Publication Date
WO2009125878A1 true WO2009125878A1 (fr) 2009-10-15

Family

ID=41162008

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KE2008/000017 WO2009125878A1 (fr) 2008-04-10 2008-07-01 Solution antiroulis pour automobile

Country Status (1)

Country Link
WO (1) WO2009125878A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102529566A (zh) * 2012-02-15 2012-07-04 绍兴文理学院 一种汽车双轮辋主辅车轮装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2719808A1 (fr) * 1994-05-16 1995-11-17 Pierre Cantuti Roue de secours jumelable.
US6217125B1 (en) * 1999-02-16 2001-04-17 Louis Raymond Tubetto Safety wheel assembly
WO2005002881A1 (fr) * 2003-07-03 2005-01-13 Arvinmeritor Do Brasil Sistemas Automotivos Ltda. Roue de secours pour vehicules, roue de vehicule, jante et ensemble tournant

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2719808A1 (fr) * 1994-05-16 1995-11-17 Pierre Cantuti Roue de secours jumelable.
US6217125B1 (en) * 1999-02-16 2001-04-17 Louis Raymond Tubetto Safety wheel assembly
WO2005002881A1 (fr) * 2003-07-03 2005-01-13 Arvinmeritor Do Brasil Sistemas Automotivos Ltda. Roue de secours pour vehicules, roue de vehicule, jante et ensemble tournant

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102529566A (zh) * 2012-02-15 2012-07-04 绍兴文理学院 一种汽车双轮辋主辅车轮装置

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