公开(公告)号：US20160311270A1

公开(公告)日：2016-10-27

申请号：US15103742

申请日：2014-12-03

Applicant: CAMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN ,  MICHELIN RECHERCHE ET TECHNIQUE S.A.

Inventor： Hervé FERIGO

IPC: B60C15/00 ,  B60C11/00 ,  B60C9/06 ,  B60C15/04 ,  B60C9/08 ,  B60C9/00 ,  B60C9/20 ,  B60C13/00

CPC classification number: B60C15/0054 ,  B60B21/04 ,  B60C9/0042 ,  B60C9/005 ,  B60C9/06 ,  B60C9/08 ,  B60C9/20 ,  B60C11/00 ,  B60C13/00 ,  B60C15/0027 ,  B60C15/0036 ,  B60C15/04 ,  B60C2009/0223 ,  B60C2009/0475 ,  B60C2015/0621

Abstract: The invention relates to a tire having at least one carcass reinforcement (2) comprising reinforcers, surmounted radially on the outside by a crown reinforcement (3) comprising two axial ends S, itself radially on the inside of a tread (4), said crown reinforcement (3) being made up of at least one layer of reinforcement elements, said tread (4) being connected to two beads (5) by way of two sidewalls (6), said beads (5) being intended to come into contact with a rim flange having a rim flange top C, each bead having at least one circumferential reinforcement element (7) known as a bead wire, said carcass reinforcement (2) comprising an end (8) at each bead (5), the end (8) of the carcass reinforcement (2) being turned up once in an outward radial direction of the tire and about said bead wire, so as to form a turnup, then being folded in the radially outward direction so as to form a fold of the carcass ply (2), said fold forming a radially external end (12a) and three adjacent parts along an axial axis made up of a central part (10), of an axially internal lateral part (11), and of an axially external lateral part (0), the fold being executed in an outward axial direction with respect to the centre of the tire, characterized in that a decoupling elastomer composition (14) having a secant modulus at 10% extension of greater than or equal to 10 MPa and preferably greater than or equal to 30 MPa and less than or equal to 60 MPa is present between the axially internal lateral part and the central part of said turnup, and at the radially external end (12a) of said turnup (12), said elastomer composition being present along a radial length comprised between the radially external end of the turnup and a radially internal point F with respect to the end of said turnup, said point being situated on the sidewall and at a distance from said radially external end by a length greater than 10 mm, and in that the radially external end (12a) of the turnup (12) is disposed between the rim flange top C and a point D, said points C and D being situated at the surface of the sidewall (6) and disposed on either side of a point E situated on the sidewall corresponding to the nominal section width, said point D being disposed at a maximum radial length equal to 85% of the length present between the axial end S of the crown reinforcement (3) and the rim flange top C.

公开(公告)号：US20160001611A1

公开(公告)日：2016-01-07

申请号：US14769001

申请日：2014-02-21

Applicant: CAMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN ,  MICHELIN RECHERCHE ET TECHNIQUE S.A.

Inventor： Olivier MUHLHOFF

IPC: B60C17/10 ,  B60C9/00 ,  B60C13/00 ,  B60C15/00 ,  B60C9/02 ,  B60C9/18

CPC classification number: B60C17/106 ,  B60C9/0042 ,  B60C9/005 ,  B60C9/02 ,  B60C9/09 ,  B60C9/18 ,  B60C13/00 ,  B60C15/0009 ,  B60C19/122 ,  B60C2009/0215 ,  B60C2009/045 ,  B60C2009/0458

Abstract: Tire, the internal wall of which is covered with an airtight layer, itself covered with a layer of self-sealing product, comprising a radial carcass reinforcement (60) composed of reinforcing elements (61) having an elongation at break EBC and a breaking strength BSC, placed at a placement pitch PC and coated with rubber composition, designed so as to satisfy the inequality: BS C P C ≤ 1.5 · 10 6 · ( R S 2 - R E 2 ) R T . Each sidewall of the tire additionally comprises an additional strengthening reinforcement (120) composed of thread reinforcing elements having an elongation at break EBA and a breaking strength BSA, placed at a placement pitch PA and coated with rubber composition, in which each of the two additional strengthening reinforcements is designed such that: BS A P A ≥ 1.3 · BS C P C , and EBC≧EBA, the breaking strengths BSA and BSC and the elongations at break EBC and EBA being determined on the reinforcing elements before their incorporation in the tire.

Abstract translation: 轮胎，其内壁覆盖有气密层，其本身覆盖有一层自密封产品，包括径向胎体增强件（60），其由具有断裂伸长率EBC的增强元件（61）和断裂强度 BSC，放置在放置间距PC上并涂覆有橡胶组合物，设计成满足不等式：BS CPC≤1.5·10 6·（RS 2 - RE 2）RT。 轮胎的每个侧壁还包括另外的加强加强件（120），其由具有断裂伸长率EBA和断裂强度BSA的螺纹增强元件组成，放置在放置间距PA处并涂覆有橡胶组合物，其中两个附加 加强筋的设计使得：BS APA≥1.3·BS CPC，EBC≥EBA，断裂强度BSA和BSC以及EBC和EBA断裂伸长率在加入轮胎之前由加强元件确定。

公开(公告)号：US20150316439A1

公开(公告)日：2015-11-05

申请号：US14652637

申请日：2013-12-18

Applicant: CAMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN ,  MICHELIN RECHERCHE ET TECHNIQUE S.A.

Inventor： Gino PAGANELLI ,  Lionel JEANRICHARD

IPC: G01M3/20

CPC classification number: G01D3/08 ,  G01M3/20 ,  G01N27/4074 ,  G01N33/0063

Abstract: A hydrogen leakage detector includes a sensor and a microcontroller. The sensor is sensitive to a concentration of hydrogen in air. A sensitive unit of the sensor is exposed directly to an in situ concentration of the hydrogen. The microcontroller is programmed to generate and output an analog signal corresponding to concentration information, based on a concentration measurement from the sensor, and to generate and output an analog signal indicating a correct operation of the detector.

Abstract translation: 氢泄漏检测器包括传感器和微控制器。 传感器对空气中氢的浓度敏感。 传感器的敏感单元直接暴露于原位浓度的氢气。 微控制器被编程为基于来自传感器的浓度测量产生并输出与浓度信息相对应的模拟信号，并且生成并输出指示检测器的正确操作的模拟信号。