System for regulating tyre inflation pressure

B - Operations – Transporting – 60 – C

Patent

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Details

B60C 23/00 (2006.01) B60C 23/04 (2006.01)

Patent

CA 2441811

The invention relates to a system for regulating the pressure in a tyre comprising an outer casing (3) which is mounted on a rim (2). The tyre comprises an inner casing (5) which is disposed at the bottom of the rim (2) and which can constitute a high-pressure air reserve; a first actuator (6) which is integrated in the inner casing (5) and which authorises the flow of air to the outer casing (3) for inflation purposes; a second actuator (8) which is integrated in the outer casing (3) and which authorises the release of air to the outside for deflation purposes; an electronic assembly which can send information to one or other of the actuators (6, 8) and/or receive the information delivered by the detector(s) (7, 9) in order to control the pressure and the temperature in the outer casing (3) and/or in the inner casing (5); a means for controlling said electronic assembly and a keyboard. The inventive system is suitable for vehicles.

L'invention concerne un système de régulation de la pression régnant dans un pneumatique constitué d'une enveloppe externe (3) montée sur une jante (2). Le pneumatique comprend une enveloppe interne (5) disposée au fond de la jante (2) et apte à constituer une réserve d'air sous pression élevée, un premier actionneur (6) intégré dans l'enveloppe interne (5) autorisant le passage de l'air vers l'enveloppe externe (3) pour assurer son gonflage, un second actionneur (8) intégré dans l'enveloppe externe (3) autorisant l'évacuation de l'air vers l'extérieur pour assurer son dégonflage, un ensemble électronique apte à émettre des informations à l'un ou l'autre des actionneurs (6, 8) et/ou à recevoir les informations délivrées par le ou les détecteurs (7, 9) pour contrôler la pression et la température régnant dans l'enveloppe externe (3) et/ou dans l'enveloppe interne (5), un moyen de commande de l'ensemble électronique et un clavier. Application aux véhicules.

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