WO2005068224A1 - Jante amelioree pour ensembles pneumatiques avec possibilite de roulage a plat - Google Patents

Jante amelioree pour ensembles pneumatiques avec possibilite de roulage a plat Download PDF

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Publication number
WO2005068224A1
WO2005068224A1 PCT/US2003/040578 US0340578W WO2005068224A1 WO 2005068224 A1 WO2005068224 A1 WO 2005068224A1 US 0340578 W US0340578 W US 0340578W WO 2005068224 A1 WO2005068224 A1 WO 2005068224A1
Authority
WO
WIPO (PCT)
Prior art keywords
rim
support ring
axis
circumferential
ring seat
Prior art date
Application number
PCT/US2003/040578
Other languages
English (en)
Inventor
Robert Vanstory Teeple
Harold S. James
Original Assignee
Societe De Technologie Michelin
Michelin Recherche Et Technique S.A.
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 Societe De Technologie Michelin, Michelin Recherche Et Technique S.A. filed Critical Societe De Technologie Michelin
Priority to PCT/US2003/040578 priority Critical patent/WO2005068224A1/fr
Priority to AU2003301119A priority patent/AU2003301119A1/en
Publication of WO2005068224A1 publication Critical patent/WO2005068224A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
    • B60B3/14—Attaching disc body to hub ; Wheel adapters
    • B60B3/16—Attaching disc body to hub ; Wheel adapters by bolts or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B21/00—Rims
    • B60B21/02—Rims characterised by transverse section
    • B60B21/023—Rims characterised by transverse section the transverse section being non-symmetrical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B21/00—Rims
    • B60B21/02—Rims characterised by transverse section
    • B60B21/028—Rims characterised by transverse section the shape of hump
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B21/00—Rims
    • B60B21/10—Rims characterised by the form of tyre-seat or flange, e.g. corrugated
    • B60B21/102—Rims characterised by the form of tyre-seat or flange, e.g. corrugated the shape of bead seats
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B21/00—Rims
    • B60B21/10—Rims characterised by the form of tyre-seat or flange, e.g. corrugated
    • B60B21/104—Rims characterised by the form of tyre-seat or flange, e.g. corrugated the shape of flanges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B21/00—Rims
    • B60B21/12—Appurtenances, e.g. lining bands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C17/00—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
    • B60C17/04—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor utilising additional non-inflatable supports which become load-supporting in emergency
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C17/00—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
    • B60C17/04—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor utilising additional non-inflatable supports which become load-supporting in emergency
    • B60C17/06—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor utilising additional non-inflatable supports which become load-supporting in emergency resilient
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C17/00—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
    • B60C17/04—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor utilising additional non-inflatable supports which become load-supporting in emergency
    • B60C17/06—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor utilising additional non-inflatable supports which become load-supporting in emergency resilient
    • B60C2017/068—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor utilising additional non-inflatable supports which become load-supporting in emergency resilient comprising springs, e.g. helical springs

Definitions

  • Fig. 1 illustrates an exemplary run-flat tire assembly.
  • Such assembly includes a support ring 52 disposed on a rim 18.
  • a tire 54 surrounds this support ring 52.
  • tire 54 loses air pressure, it will deform and contact support ring 52. The load of the vehicle and the dynamic load of the ride will then be borne by support ring 52.
  • a pocket 84 provides a recess where water, ice, mud, or other materials may collect and cause an imbalance in the rotation of the run-flat tire assembly.
  • Previous rims typically lack a pocket 84 and instead have either a level or a downward sloping surface from which materials that accumulate on the inner surface of the rim may be removed through centrifugal force brought about by rotation.
  • the undesirable accumulation of materials within a recess on the radially inner surface of a wheel rim is noted in U.S. Patent No. 6,035,913, which is owned by the assignee of the present invention and is incorporated by reference herein in its entirety for all purposes.
  • the present invention improves upon run-flat tire assemblies by providing for an improved run-flat tire assembly that eliminates pockets into which materials may build up without undesirably increasing the mass of the wheel rim or decreasing the strength of the wheel rim.
  • Summary [0005] Various features and advantages of the invention will be set forth in part in the following description, or may be obvious from the description.
  • the present invention provides a wheel that includes a wheel disk configured for removable connection with a wheel hub of a vehicle.
  • the wheel disk has an axis about which the wheel disk rotates during operation. The axis extends in both an inboard and an outboard direction.
  • a rim is integrally attached to this wheel disk and has a radially outer surface and a radially inner surface.
  • the rim has a support ring seat located on the radially outer surface of the rim. At least one circumferential groove is located along the support ring seat and extends around the entire circumference of the radially outer surface of the rim. [0007] Instead of at least one circumferential groove, in certain embodiments a plurality of circumferential grooves may be used. These grooves would in turn define a plurality of circumferential ribs. Each of these circumferential ribs has a radially outer surface that provides a portion of the support ring seat, and each radially outer surface is located at the same radial distance from the axis. Alternatively, the radial distance between each radially outer surface and the axis may vary among the plurality of ribs.
  • the circumferential grooves and the circumferential ribs have about the same axial width.
  • the shape of the circumferential grooves may be varied. For example only, although generally the grooves are rectangular, the grooves may be non-rectangular in shape.
  • the radially inner surface of the rim may be tapered such that the radial distance from the axis to the radially inner surface of the rim decreases along the outboard direction of the axis. This configuration could be used, for example, to assist with the evacuation of materials from the radially inner surface. Stepped configurations of the radially inner surface may also be used.
  • the wheel may be configured to use a support ring that has a radially inner surface configured for complementary receipt by the support ring seat.
  • a wheel disk is configured for removable connection with a vehicle.
  • the wheel disk has an axis about which the wheel disk rotates during operation, the axis extending in an inboard and outboard direction.
  • a rim is integrally attached to the wheel disk.
  • the rim has an outer surface and an inner surface and has a support ring seat located on the outer surface of the rim.
  • a plurality of circumferential grooves are defined by the rim and located upon the support ring seat.
  • the grooves extend around the entire circumference of the outer surface of the rim such that the support ring seat is discontinuous in the axial direction at any point along the circumference of the support ring seat.
  • the rim has an inboard bead seat and an outboard bead seat located on the radially outer surface of the rim.
  • the support ring seat is intermediate the bead seats along the axial direction.
  • a support ring is disposed on the support ring seat.
  • a tire is provided that has an inboard and outboard bead. The inboard bead is disposed in the inboard bead seat of the rim, and the outboard bead is disposed in the outboard bead seat of the rim.
  • a component for a run-flat tire assembly includes a wheel rim having a radially outer surface and a radially inner surface.
  • the rim also has a support ring seat located on the radially outer surface of the rim and has an axis about which rotation occurs during operation.
  • the radially inner surface has a mid-section located radially adjacent to the support ring seat.
  • the radially inner surface has an inboard section located axially inboard of the mid-section.
  • the radially inner surface also has an outboard section located axially outboard of the mid-section.
  • the rim defines at least one circumferential groove that is located along the support ring seat and extends at least partially around the circumference of the radially outer surface of the rim.
  • the support ring seat has at least one discontinuity in the axial direction for at least one point along the circumference of the support ring seat.
  • Fig. 1 is a partial cross-sectional view of a run-flat tire assembly.
  • Fig. 2 is a partial cross-sectional view of another run-flat tire assembly with a recess along the radially inner surface removed.
  • Fig. 3 is a partial cross-sectional view of a wheel having a plurality of circumferential grooves used in accordance with one exemplary embodiment of the present invention.
  • Fig. 1 is a partial cross-sectional view of a run-flat tire assembly.
  • Fig. 2 is a partial cross-sectional view of another run-flat tire assembly with a recess along the radially inner surface removed.
  • Fig. 3 is a partial cross-sectional view of a wheel having a plurality of circumferential grooves used in accordance with one exemplary embodiment of the present invention.
  • FIG. 4 is a partial cross-sectional view of a wheel having a plurality of circumferential grooves used in accordance with another exemplary embodiment of the present invention in which the circumferential grooves have varying widths.
  • Fig. 5 is a partial cross-sectional view of a tire assembly used in accordance with one exemplary embodiment of the present invention.
  • Fig. 6 is a partial cross-sectional view of a wheel having a plurality of circumferential grooves used in accordance with another exemplary embodiment of the present invention in which all points along the inner surface of the rim have the same radial distance from the axis of the wheel.
  • Fig. 5 is a partial cross-sectional view of a tire assembly used in accordance with one exemplary embodiment of the present invention.
  • Fig. 6 is a partial cross-sectional view of a wheel having a plurality of circumferential grooves used in accordance with another exemplary embodiment of the present invention in which all points along the inner surface of the rim have the same radial
  • FIG. 7 is a partial cross-sectional view of a wheel having a plurality of circumferential grooves used in accordance with another exemplary embodiment of the present invention in which the circumferential grooves define a plurality of ribs that are of varying heights.
  • Fig. 8 is a partial top view of the wheel of Fig. 3.
  • Fig. 9 is a partial cross-sectional view of a tire assembly used in accordance with one exemplary embodiment of the present invention.
  • Fig. 10 is an exploded assembly view of a tire assembly used in accordance with one exemplary embodiment of the present invention.
  • Fig. 11 is a perspective view of the tire assembly shown in Fig. 10.
  • Fig. 3 shows an exemplary embodiment of a wheel 10 used in accordance with the present invention. Therein, rim 18 has been provided with additional material such that pocket 84 of Fig. 1 is eliminated or filled in as with the embodiment of Fig. 2. However, in Fig.
  • support ring seat 24, which is located on outer surface 20 of rim 18, is provided with one or more circumferential grooves 26.
  • the circumferential grooves 26 form a plurality of ribs 38, which provide a surface for the seating of support ring 52 (Fig. 5) thereon.
  • circumferential grooves 26 may also be sized and/or numbered such that a larger amount of mass is removed from rim 18 than is gained through the filling in of pocket 84.
  • circumferential grooves 26 may be sized and/or numbered so that rim 18 has a larger mass after inclusion of circumferential grooves 26 and the filling in of pocket 84.
  • Circumferential grooves 26 may be formed in support ring seat 24 in any manner commonly known in the art. For instance, wheel 10 may be cast and then machined through subsequent processes into a final product. Circumferential grooves 26 may then be formed in wheel 10, for example, by a turning operation to thereby eliminate the use of more complicated and expensive castings. However, if preferred, circumferential grooves 26 may also be cast into wheel 10 during its initial forming.
  • Fig. 4 shows an exemplary embodiment where circumferential grooves 26 form a plurality of ribs 38, and grooves 26 that have different axial widths 42. Also, as compared to Fig. 3, ribs 38 in Fig. 4 have a smaller axial width 40.
  • Fig. 5 shows an exemplary embodiment in which the same axial width is used for both the plurality of circumferential grooves 26 (axial width 42) and ribs 38 (axial width 40).
  • Fig. 6 shows an exemplary embodiment in which the same axial width 42 is used for each circumferential groove 26, the same axial width 40 is used for each rib 38, but axial width 42 and axial width 40 are not equal.
  • axial widths 40 and 42 for ribs 38 and grooves 26 can be used with the present invention.
  • circumferential grooves 26 in the exemplary embodiments of the figures have a cross-section that is generally rectangular in shape with rounded edges
  • shape of circumferential grooves 26 may be modified in a variety of ways and is not limited to only the shapes of circumferential grooves 26 shown.
  • the cross-sectional shape may be triangular, square shaped, and/or semi-circular in accordance with other exemplary embodiments.
  • the cross-sectional shape of all circumferential grooves 26 need not be uniform but may vary from one groove 26 to the next.
  • Fig. 1 and Fig. 10 show run-flat tire assembly 44 as including a wheel 10 having a rim 18, a support ring 52, and tire 54.
  • Rim 18 has a first bead seat 48 and a second bead seat 50 formed therein for seating a first and second bead 56 and 58 respectively.
  • First bead seat 48 is formed by a pair of humps 86 and 88.
  • Second bead seat 50 is formed by a pair of humps 90 and 92.
  • tire assembly 44 may be placed over wheel hub 14 such that wheel hub 14 is bolted onto a wheel disk 12 of tire assembly 44.
  • support ring 52 may be urged against support ring seat 24 such that a portion of support ring 52 is urged into circumferential grooves 26. This may help for better gripping and functioning of support ring 52.
  • support ring 52 may only be disposed on support ring seat 24 and not into circumferential grooves 26.
  • grooves 26 and ribs 38 can also be varied to improve the gripping between support ring 52 and support ring seat 24.
  • support ring seat 24 has been depicted as having a uniform radial distance across its surface from axis 16.
  • support ring seat 24 may be configured in other exemplary embodiments to have a varying distance from axis 16.
  • Fig. 7 One such exemplary embodiment is shown in Fig. 7 in which ribs 38 formed by circumferential grooves 26 are of different heights.
  • FIG. 8 is atop view of the exemplary embodiment of wheel 10 shown in Fig.
  • circumferential grooves 26 may be seen as a plurality of grooves 26 in outer surface
  • support ring seat 24 that cause support ring seat 24 to be a discontinuous surface along the axial direction from the inboard side of support ring 24 to the outboard side of support ring 24.
  • support ring seat 24 is discontinuous at each of the circumferential grooves 26 such that at no point around the circumference of rim 18 does support ring seat 24 form a continuous surface along the axial direction; each groove 26 creates a discontinuity.
  • circumferential grooves 26 need not be formed around the entire circumference of rim 18, but may instead circumvent a portion of the circumference of rim 18.
  • support ring seat 24 may be a continuous surface along the axial direction from the outboard side to the inboard side of rim 18 at only certain locations along the circumference of rim 18 or at no location along the circumference (depending upon the positioning of grooves 26).
  • ribs 38 need not be formed around the entire circumference of rim 18, but instead may circumvent only a portion of rim 18. By having portions of ribs 38 removed, the overall weight of rim 18 can be further decreased while still maintaining its structural integrity and providing a surface for support ring seat 24.
  • Fig. 9 shows an exemplary embodiment of tire assembly 44 where support ring 52 has a plurality of reinforcement bands 66 disposed therethrough. Reinforcement bands 66 may be present in order to provide for an increased strength of support ring 52. Additionally, reinforcement bands 66 may be tensioned to hold support ring 52 onto support ring seat 24. In the exemplary embodiment shown in Fig.
  • a plurality of reinforcement bands 66 are positioned at the same axial location along axis 16 as the plurality of ribs 38 formed by circumferential grooves 26. As such, none of reinforcement bands 66 are positioned at the same axial location along axis 16 as any of circumferential grooves 26.
  • Reinforcement bands 66 may include reinforcing materials that have a high tensile modulus such that they are essentially inextensible. By way of example only, such materials may include fiberglass, steel, and polyamides.
  • inner radial surface 22 can also be further modified to move or evacuate such materials during operation.
  • wheel disk 12 has an axis 16 about which rotation occurs during operation.
  • the radial distance between axis 16 and radially inner surface 22 of rim 18 is substantially constant at all points along surface 22.
  • rim 18 has a mid- section 46, which is that portion of radially inner surface 22 radially adjacent to support ring seat 24.
  • the radial distance 28 from axis 16 to all points along the surface of mid-section 46 is constant.
  • rim 18 has an inboard section 62, which is that portion of radially inner surface
  • Rim 19 has an outboard section, 68, which is that portion of radially inner surface 22 that is on the outboard side of mid-section 46.
  • the radial distance 28 from axis 16 to the surface of mid-section 46 is the same as the radial distance 64 from axis 16 to the surface of inboard section 62 and the same as radial distance 70 from axis 16 to the surface of outboard section 68.
  • radially inner surface 22 may be sloped or tapered either continuously or at stepped portions.
  • the radial distance between axis 16 and radially inner surface 22 could be gradually increased along the inboard direction 30 (thus decreasing in the outboard direction 32).
  • radially inner surface 22 could have a stepped profile in which radial distance 64 is slightly larger than radial distance 28, which in turn is slightly larger than radial distance 70.
  • radially inner surface 22 can be used to evacuate materials during operation.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)

Abstract

L'invention concerne une jante améliorée destinée à un ensemble pneumatique à possibilité de roulage à plat permettant de supprimer des évidements et des poches le long de la surface radiale interne de ladite jante pouvant accumuler des matériaux indésirables pendant le fonctionnement d'un véhicule. Une ou plusieurs rainures circonférentielles sont prévues le long de la surface extérieure de la jante afin de compenser une augmentation de masse quelconque due à la suppression des évidements. Dans certains modes de réalisation, la surface radiale interne peut également être dotée de caractéristiques qui facilitent l'élimination des matériaux de ladite surface interne.
PCT/US2003/040578 2003-12-19 2003-12-19 Jante amelioree pour ensembles pneumatiques avec possibilite de roulage a plat WO2005068224A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/US2003/040578 WO2005068224A1 (fr) 2003-12-19 2003-12-19 Jante amelioree pour ensembles pneumatiques avec possibilite de roulage a plat
AU2003301119A AU2003301119A1 (en) 2003-12-19 2003-12-19 Improved rim for rum-flat tire assemblies

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2003/040578 WO2005068224A1 (fr) 2003-12-19 2003-12-19 Jante amelioree pour ensembles pneumatiques avec possibilite de roulage a plat

Publications (1)

Publication Number Publication Date
WO2005068224A1 true WO2005068224A1 (fr) 2005-07-28

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Family Applications (1)

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PCT/US2003/040578 WO2005068224A1 (fr) 2003-12-19 2003-12-19 Jante amelioree pour ensembles pneumatiques avec possibilite de roulage a plat

Country Status (2)

Country Link
AU (1) AU2003301119A1 (fr)
WO (1) WO2005068224A1 (fr)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4662419A (en) * 1986-02-06 1987-05-05 Astronics Corporation Beadlock for tubeless tires
US4880279A (en) * 1987-11-25 1989-11-14 Fred Flesche Model automobile rim construction
US4925250A (en) * 1988-10-31 1990-05-15 Michael Sorrentino Dual wheels for a radio controlled toy car
US5826949A (en) * 1995-06-21 1998-10-27 Bortoloni; Andrea Vehicle wheel having weight-reducing rim
US5891279A (en) * 1996-03-19 1999-04-06 Compagnie Generale des Etablissements Michelin--Michelin & Cie Safety support made of a flexible elastomeric material for tires
US6035913A (en) * 1996-05-15 2000-03-14 Compagnie Generale Des Etablissements Michelin - Michelin & Cie Wheel with rim having seats inclined towards the outside
US6106075A (en) * 1998-06-02 2000-08-22 Honda Giken Kogyo Kabushiki Kaisha Road wheel with improved vibration characteristics and method of constructing and utilizing same
US6415839B1 (en) * 1999-11-04 2002-07-09 Michelin Recherche Et Technique S.A. Rim intended to receive a support ring
US6609549B2 (en) * 2000-12-22 2003-08-26 Michelin Recherche Et Technique S.A. Assembly consisting of a rim and a bearing support
US6637486B1 (en) * 2002-05-06 2003-10-28 Rolla Jose Santiago Rim with emergency grooved internal support and tire for said rim

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4662419A (en) * 1986-02-06 1987-05-05 Astronics Corporation Beadlock for tubeless tires
US4880279A (en) * 1987-11-25 1989-11-14 Fred Flesche Model automobile rim construction
US4925250A (en) * 1988-10-31 1990-05-15 Michael Sorrentino Dual wheels for a radio controlled toy car
US5826949A (en) * 1995-06-21 1998-10-27 Bortoloni; Andrea Vehicle wheel having weight-reducing rim
US5891279A (en) * 1996-03-19 1999-04-06 Compagnie Generale des Etablissements Michelin--Michelin & Cie Safety support made of a flexible elastomeric material for tires
US6035913A (en) * 1996-05-15 2000-03-14 Compagnie Generale Des Etablissements Michelin - Michelin & Cie Wheel with rim having seats inclined towards the outside
US6106075A (en) * 1998-06-02 2000-08-22 Honda Giken Kogyo Kabushiki Kaisha Road wheel with improved vibration characteristics and method of constructing and utilizing same
US6415839B1 (en) * 1999-11-04 2002-07-09 Michelin Recherche Et Technique S.A. Rim intended to receive a support ring
US6609549B2 (en) * 2000-12-22 2003-08-26 Michelin Recherche Et Technique S.A. Assembly consisting of a rim and a bearing support
US6637486B1 (en) * 2002-05-06 2003-10-28 Rolla Jose Santiago Rim with emergency grooved internal support and tire for said rim

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