Adapter for a wheeled assembly and a wheeled assembly comprising same
An adapter and component technology, applied in transportation and packaging, vehicle parts, tire parts, etc., can solve problems such as insufficient durability, and achieve the effect of easy installation and simple design
Pending Publication Date: 2018-12-21
MICHELIN & CO CIE GEN DES ESTAB MICHELIN
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
[0009] However, although said assembly can also guarantee the functionality of conventional tires, in particular the drift thrust response of the tire after a drift angle is applied to the tire, thereby giving the assembly sufficient flexibility to avoid any surface or depth degradation, it cannot Exhibits adequate durability at very high speeds
Method used
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Examples
Experimental program
Comparison scheme
Effect test
Embodiment
[0078] Example : High-speed durability test
[0079] The test consists in running the wheels at an initial speed of 250 km / h and increasing this speed by 2 km / h over the course of 20 hours to obtain a final speed of 290 km / h.
[0080] The adapter according to the invention has an overall length L = 65.35 mm and an overlapping length l = 30 mm, ie 45% of the overall length.
[0081] It was found that a wheel fitted with such an adapter completed the test without any damage, unlike wheels of known adapters comprising no overlap in the reinforcement.
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The invention concerns an adapter for a wheeled assembly comprising a pneumatic tyre (P) having two beads (B), a rim (J), said adapter joining one of the beads (B) and the rim (J), said rim having tworim seats (7), said adapter having an axially inner end (10) intended to be mounted on the seat of the rim (7) and an axially outer end (9), a body (11) connecting said outer end (9) with said innerend (10) such as to form a single part and comprising at least one main reinforcing ply providing the link between an outer reinforcement and an inner reinforcement and comprising a first end (17A) and a second end (17B), an adapter seat (18), and a total length L and a length LT between the centres C1 and C2. This adapter is characterised in that the first end (17A) and the second end (17B) of the reinforcing ply are arranged one on top of the other so as to form an overlap.
Description
technical field [0001] The invention relates to an adapter for a rolling assembly mainly formed by a tire and a rim, and a rolling assembly comprising said adapter. Background technique [0002] The definitions used in this invention are reminded below: [0003] - "axial direction": a direction parallel to the axis of rotation of the tyre, [0004] - "radial direction": the direction intersecting the axis of rotation of the tire and perpendicular to it, [0005] - "circumferential direction": a direction perpendicular to the radius and included in a plane perpendicular to the axis of rotation of the tyre, [0006] - "radial section": a section in a plane including the axis of rotation of the tyre, [0007] - "equatorial plane": the plane perpendicular to the axis of rotation and passing through the middle of the tread. [0008] From the application WO2015091618 it is known to insert an elastic adapter between the rim and the tire bead. The adapter is elastically deforma...
Claims
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Patent Timeline
Login to View More IPC IPC(8): B60C15/02B60B21/12
CPCB60C15/0209B60B21/10B60B25/045B60B25/12B60B21/125B60B2900/523B60C15/022B60C15/0226B60C15/023
Inventor M·阿胡安托A·托潘
Owner MICHELIN & CO CIE GEN DES ESTAB MICHELIN
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