A method for producing a drop centre rim and to a drop centre rim for vehicle wheels of commercial vehicles. The rim has a plurality of zones, which form an inner rim flange and an outer rim flange, an inner steep-tapered bead seat and an outer steep-tapered bead seat and a rim drop centre with a drop centre base, an inner drop centre flank and an outer drop centre flank between the steep-tapered bead seats, wherein one of the zones is provided as a disc attachment region for a wheel disc, and the drop centre rim has at least one partial zone with a reduced wall thickness relative to the other zones. It is envisaged that at least one of the steep-tapered bead seats, preferably both steep-tapered bead seats, has/have a section with a wall thickness reduction of more than 20% relative to the wall thickness in the zone provided as the disc attachment region, wherein the wall thickness reduction is produced during one of the profiling steps.
A fabricated vehicle wheel comprises a wheel disc and a wheel rim. The wheel disc has an annular hub portion, a center hub hole in the hub portion, opposite inboard and outboard faces of the hub portion, a plurality of circumferentially spaced lug bolt holes in the hub portion, a plurality of !ightener pockets in the hub portion, and an extension portion. The lug bolt holes and the lightener pockets alternate around a circumference of the hub portion. An axis extends through the hub hole. The inboard face is planar and configured to mount to a vehicle. The inboard face is perpendicular to the axis and the extension portion extends from the hub portion along the axis. The wheel rim is secured to the extension portion.
Vehicle wheel comprising a rim part and a disc part formed from a one-piece sheet metal blank and including a central portion with bolt holes and a plurality of radially extending spoke arrangements merging into a disc edge delimiting together with the spoke arrangements ventilation apertures which extend over the region between the edge webs and the disc edge. In order to create steel wheels with four-hole fixing in which high strength and stiffness are achieved the number of spoke arrangements and of bolt holes is four and these are in each case arranged mirror-symmetrically with respect to a common radial line, with the width of each spoke arrangement narrowing radially towards the outside and each ventilation aperture extending in the circumferential direction over an arc length of more than ⅙ of the circumference of the disc part. Further, each ventilation aperture is having on a radial line a maximum radial clear width which is equal to or preferably greater than the radial width of the metal portion of the disc part on the same radial line.
A wheel nut or axle nut for vehicles, having a body, having a central threaded hole, having a peripheral wall, and having an abutment face at a lower side The nut also has a plurality of wrench faces on the peripheral wall of the nut body for tightening or releasing the nut by a tool which cooperates with the wrench faces. In the body at least one recess is provided in which a sensor element is arranged The sensor element is connected to a wireless interface which is configured to transmit a sensor signal of the sensor element wirelessly to an external reception unit.
B60Q 1/00 - Agencement des dispositifs de signalisation optique ou d'éclairage, leur montage, leur support ou les circuits à cet effet
G07C 5/08 - Enregistrement ou indication de données de marche autres que le temps de circulation, de fonctionnement, d'arrêt ou d'attente, avec ou sans enregistrement des temps de circulation, de fonctionnement, d'arrêt ou d'attente
G01L 5/24 - Appareils ou procédés pour la mesure des forces, du travail, de la puissance mécanique ou du couple, spécialement adaptés à des fins spécifiques pour déterminer la valeur du couple ou du moment de torsion pour le serrage d'un écrou ou d'un autre organe soumis à une contrainte analogue
B60B 3/16 - Fixation du disque au moyeu par boulons ou similaires
F16B 31/02 - Assemblages à vis spécialement modifiés en vue de résister à une charge de tractionBoulons de rupture signalant ou limitant la charge de traction
G01L 5/00 - Appareils ou procédés pour la mesure des forces, du travail, de la puissance mécanique ou du couple, spécialement adaptés à des fins spécifiques
The invention relates to a method for producing a drop centre rim and to a drop centre rim for vehicle wheels of commercial vehicles. The rim has a plurality of zones, which form an inner rim flange (11) and an outer rim flange (20), an inner steep-tapered bead seat (12) and an outer steep-tapered bead seat (19) and a rim drop centre with a drop centre base (13), an inner drop centre flank (14) and an outer drop centre flank (5) between the steep-tapered bead seats, wherein one of the zones is provided as a disc attachment region A for a wheel disc (50), and the drop centre rim has at least one partial zone with a reduced wall thickness relative to the other zones. According to the invention, it is envisaged that at least one of the steep-tapered bead seats (12, 19), preferably both steep-tapered bead seats (12, 19), has/have a section with a wall thickness reduction of more than 20% relative to the wall thickness in the zone provided as the disc attachment region (A), wherein the wall thickness reduction is produced during one of the profiling steps.
I to V) passing into each other or into the hub fitting flange or the disc edge, each of which has an outer end situated closer to the hub fitting flange and an inner end situated closer to the disc edge, wherein neighboring segments have curvatures with different directions and variable material thickness, with the ratios of the material thicknesses and the ratio of their lengths to heights are chosen as follows:
A wheel nut or axle nut for vehicles, having a body, having a central threaded hole, having a peripheral wall, having an abutment face at a lower side, wherein the nut also has a plurality of wrench faces on the peripheral wall of the nut body for tightening or releasing the nut by a tool which cooperates with the wrench faces. In the body at least one recess is provided in which a sensor element is arranged, wherein the sensor element is connected to a wireless interface which is configured to transmit a sensor signal of the sensor element wirelessly to an external reception unit.
B60Q 1/00 - Agencement des dispositifs de signalisation optique ou d'éclairage, leur montage, leur support ou les circuits à cet effet
G07C 5/08 - Enregistrement ou indication de données de marche autres que le temps de circulation, de fonctionnement, d'arrêt ou d'attente, avec ou sans enregistrement des temps de circulation, de fonctionnement, d'arrêt ou d'attente
B60B 27/06 - Moyeux adaptés pour être fixés sur l'essieu
G01L 5/00 - Appareils ou procédés pour la mesure des forces, du travail, de la puissance mécanique ou du couple, spécialement adaptés à des fins spécifiques
G01L 5/24 - Appareils ou procédés pour la mesure des forces, du travail, de la puissance mécanique ou du couple, spécialement adaptés à des fins spécifiques pour déterminer la valeur du couple ou du moment de torsion pour le serrage d'un écrou ou d'un autre organe soumis à une contrainte analogue
F16B 31/02 - Assemblages à vis spécialement modifiés en vue de résister à une charge de tractionBoulons de rupture signalant ou limitant la charge de traction
12.
NUT, IN PARTICULAR WHEEL OR AXLE NUT, WASHER, CONTROL DEVICE FOR WHEEL OR AXLE NUTS IN VEHICLES AND VEHICLE PROVIDED THEREWITH
The invention relates to a nut, or a washer for a nut, in particular a wheel nut or axle nut for vehicles, having a body 13, having a central threaded hole 14, having a peripheral wall 13', having an abutment face at a lower side 18, wherein the nut also has a plurality of wrench faces 16 on the peripheral wall of the nut body for tightening or releasing the nut by means of a tool which cooperates with the wrench faces. In order to be able to detect the loosening of wheel nuts or axle nuts of vehicles, and to indicate such loosening to a vehicle driver to avoid dangerous situations during driving, there is provided in the body at least one recess 21, in which a sensor element 11 is arranged, wherein the sensor element is connected to a wireless interface 12 which is configured to transmit a sensor signal of the sensor element wirelessly to an external reception unit.
B60R 16/023 - Circuits électriques ou circuits de fluides spécialement adaptés aux véhicules et non prévus ailleursAgencement des éléments des circuits électriques ou des circuits de fluides spécialement adapté aux véhicules et non prévu ailleurs électriques pour la transmission de signaux entre des parties ou des sous-systèmes du véhicule
B60B 3/16 - Fixation du disque au moyeu par boulons ou similaires
F16B 31/02 - Assemblages à vis spécialement modifiés en vue de résister à une charge de tractionBoulons de rupture signalant ou limitant la charge de traction
F16B 41/00 - Dispositions contre la perte des boulons, écrous, broches ou goupillesDispositions empêchant toute action non autorisée sur les boulons, écrous, broches ou goupilles
F16B 43/00 - Rondelles ou dispositifs équivalentsAutres dispositifs de support pour têtes de boulons ou d'écrous
G01L 5/00 - Appareils ou procédés pour la mesure des forces, du travail, de la puissance mécanique ou du couple, spécialement adaptés à des fins spécifiques
G01L 5/16 - Appareils ou procédés pour la mesure des forces, du travail, de la puissance mécanique ou du couple, spécialement adaptés à des fins spécifiques pour la mesure de plusieurs composantes de la force
The invention proposes a wheel disc for a disc wheel, especially for utility vehicles; with an essentially radially extending hub fitting flange (11) and an essentially cylindrical disc edge (13) which can be joined to a wheel rim, and with a transition region (14) extending between the hub fitting flange (11) and the disc edge (13), wherein the transition region is subdivided into at least five segments (Ατ to v) passing into each other or into the hub fitting flange (11) or the disc edge (13), each of which has an outer end situated closer to the hub fitting flange (11) and an inner end situated closer to the disc edge (13), wherein neighbouring segments (Ατ to v) have curvatures (R) with different directions and variable material thickness, with the ratios of the material thicknesses and the ratio of their lengths (La) to heights (Hr) are chosen as follows: (Formula I).
Vehicle wheel comprising a rim part and a disc part formed from a one-piece sheet metal blank and including a central portion with bolt holes and a plurality of radially extending spoke arrangements merging into a disc edge delimiting together with the spoke arrangements ventilation apertures which extend over the region between the edge webs and the disc edge. In order to create steel wheels with four-hole fixing in which high strength and stiffness are achieved the number of spoke arrangements and of bolt holes is four and these are in each case arranged mirror-symmetrically with respect to a common radial line, with the width of each spoke arrangement narrowing radially towards the outside and each ventilation aperture extending in the circumferential direction over an arc length of more than ⅙ of the circumference of the disc part. Further, each ventilation aperture is having on a radial line a maximum radial clear width which is equal to or preferably greater than the radial width of the metal portion of the disc part on the same radial line.
B60B 3/10 - Roues pleines, c.-à-d. roues avec corps en forme de disque supportant la charge perforées pour simuler des roues à rayons
B60B 3/04 - Roues pleines, c.-à-d. roues avec corps en forme de disque supportant la charge à un seul disque ne faisant pas corps avec la jante
B60B 3/00 - Roues pleines, c.-à-d. roues avec corps en forme de disque supportant la charge
15.
METHOD FOR PRODUCING WHEEL DISC FORMS ON FLOW-FORMING MACHINES, VEHICLE WHEEL HAVING A WHEEL DISC FORM OF SAID TYPE, AND SPINNING MANDREL FOR FLOW-FORMING MACHINES FOR PRODUCING CORRESPONDING WHEEL DISC FORMS
The invention relates to a vehicle wheel having a wheel disc 10 produced on a flow-forming machine by flow-forming of a preferably metallic preform against a spinning mandrel, attachment flange 12, a flow-formed disc transition surface 33 equipped with ventilation holes, and a disc margin 14 for the connection of the wheel disc to a wheel rim part. The invention also relates to the method for producing the wheel disc and to a spinning mandrel for a suitable flow-forming machine. To improve the manufacture of vehicle wheels with wheel discs produced by flow-forming, and in the process to make it possible to realize a reduction in weight of the finished vehicle wheel without the need for additional working steps which lengthen the manufacture of the wheel disc, in each case at least one zone 20 with material accumulation and/or zone 15 with material reduction generated during the flow forming is formed on the inner side 16 or the outer side of the flow-formed transition surface between adjacent ventilation holes and/or between the ventilation holes at the disc margin and/or at the disc margin in an axial elongation of each ventilation hole.
The invention relates to a system for indirectly monitoring the inflation pressure of pneumatic- tyred vehicle wheels (1), and also to a wheel. The wheel is having a wheel body (3) with a rim part (5) and a disc part (4), and a tyre (6) detachably fitted on the rim part (5) of the wheel body (3). The wheel comprises at least one deformation sensor for sensing the tyre inflation pressure at the time, and the system comprises a data transmission device for transmitting sensor signals of the at least one sensor to an evaluation device, and an evaluation device (41) for evaluating the sensor signals. In order to provide a system and vehicle wheels that are simplified in comparison with the tyre pressure monitoring system previously used, the deformation sensor (30) is fitted on the wheel body (3) and is usable or used for sensing inflation-pressure-dependent deformations of the wheel body.
Vehicle wheel comprising a rim part (1) and a disc part (10) formed from a one-piece sheet metal blank and including a central portion (11) with bolt holes (13) and a plurality of radially extending spoke arrangements (15) merging into a disc edge (19) delimiting together with the spoke arrangements ventilation apertures (5) which extend over the region between the edge webs (18) and the disc edge (19). In order to create steel wheels with four-hole fixing in which high strength and stiffness are achieved the number of spoke arrangements (15) and of bolt holes (13) is four and these are in each case arranged mirror- symmetrically with respect to a common radial line (R1), with the width (B) of each spoke arrangement (15) narrowing radially towards the outside and each ventilation aperture (5) extending in the circumferential direction over an arc length (L') of more than 1/6 of the circumference of the disc part (10). Further, each ventilation aperture (5) is having on a radial line (R2) a maximum radial clear width (W) which is equal to or preferably greater than the radial width (S) of the metal portion of the disc part (10) on the same radial line (R2).
The invention relates to a vehicle wheel e.g. for passenger cars, having a disc part 20 connected to a rim part 1, the disc part 20, integrally formed form a sheet metal blank, has a central part 21 with bolt holes 23 for wheel bolts and a central hole 45 for a vehicle hub, and a plurality of radially extending spoke arrangements 30 for transmitting forces between the vehicle hub and the rim part. Each spoke arrangement 30 is provided with a central web 31, merging on both sides into a radially extending side web 32, being bent outwards from the surface of the central web, and an edge web 33, bent back again relative to the side web, wherein the radially outer ends of the webs merge into a disc rim 22, being aligned parallel to the wheel axis, connecting all spoke arrangements 30 to one another and delimiting ventilation holes 40. In order to provide, without structural drawbacks, steel vehicle wheels with an unequal number of bolt holes and spoke arrangements, an inner annular bead 24 and an outer annular bead 25 are formed in the central part 21, which beads are concentric with one another and with the disc rim 22, and a raised annular strip 26 provided with the bolt holes 23 is formed between the said beads.
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