Valve device for pneumatic tyre including pressure sensor

F - Mech Eng,Light,Heat,Weapons – 16 – K

Patent

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Details

F16K 15/20 (2006.01) B60C 23/04 (2006.01) B60C 29/06 (2006.01) F16K 15/18 (2006.01)

Patent

CA 2734533

A valve device (10) for a pneumatic tyre (12) having an upper and lower desired inflation pressure. The valve device includes a main body (16) having an inlet port (18) adapted for sealed engagement with a compressed air supply (20) and an outlet port (22) adapted for sealed engagement with the pneumatic tyre. At least one pressure sensor (24) for sensing the pressure in the pneumatic tyre and an electrical indicating means operatively associated with the at least one pressure sensor is also provided for indicating to a user when the pressure in the pneumatic tyre is below the lower desired inflation pressure or above the upper desired inflation pressure.

Linvention concerne un dispositif de valve (10) pour un pneumatique (12) comprenant des pressions de gonflage souhaitées supérieure et inférieure. Le dispositif de valve comprend un corps principal (16) comprenant un orifice dadmission (18) adapté à lentrée en contact étanche avec une alimentation en air comprimé (20) et un orifice dévacuation (22) adapté à lentrée en contact étanche avec le pneumatique. Linvention concerne également au moins un détecteur de pression (24) permettant de détecter la pression dans le pneumatique et un indicateur électrique associé de manière fonctionnelle au détecteur ou aux détecteurs de pression pour alerter un utilisateur lorsque la pression dans le pneumatique se situe au-dessous dune pression de gonflage souhaitée inférieure ou au-dessus dune pression de gonflage souhaitée supérieure.

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