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The Tweel airless tire design. The Tweel (a portmanteau of tire and wheel) is an airless tire design developed by the French tire company Michelin.Its significant advantage over pneumatic tires is that the Tweel does not use a bladder full of compressed air, and therefore cannot burst, leak pressure, or become flat.
The problem with this method was that if tires all lost the same pressure then none would show up against the others to indicate a problem. However, research has shown that both direct and indirect tire pressure monitoring systems are equally effective. [1] Tire-pressure gauges measure air pressure using various methods:
A tire-pressure monitoring system (TPMS) monitors the air pressure inside the pneumatic tires on vehicles. [1] A TPMS reports real-time tire-pressure information to the driver, using either a gauge, a pictogram display, or a simple low-pressure warning light. TPMS can be divided into two different types – direct (dTPMS) and indirect (iTPMS).
The European Tyre and Rim Technical Organisation (ETRTO) exists to specify and harmonise sizes of rims and their associated pneumatic tyres across the European Union.ETRTO sizes apply to rims and tyres for vehicles of all types, including bicycles.
Cold inflation pressure is the inflation pressure of tires as measured before a car is driven and the tires warmed up. Recommended cold inflation pressure is displayed in the owner's manual and on the Tire Information Placard attached to the vehicle door edge , pillar , glovebox door or fuel filler flap .
Michelin (/ ˈ m ɪ ʃ əl ɪ n, ˈ m ɪ tʃ əl ɪ n / MISH-əl-in, MITCH-əl-in, French:), in full Compagnie Générale des Établissements Michelin SCA ("General Company of the Michelin Enterprises P.L.S."), is a French multinational tyre manufacturing company based in Clermont-Ferrand in the Auvergne-Rhône-Alpes région of France.
Tire identification labels. Automotive tires are described by several alphanumeric tire codes (in North American English) or tyre codes (in Commonwealth English), which are generally molded into the sidewall of the tire. These codes specify the dimensions of the tire and its key limitations, such as load-bearing ability and maximum speed.
The tire pyrolysis method for recycling used tires is a technique that heats whole or shredded tires in a reactor vessel containing an oxygen-free atmosphere and a heat source. In the reactor, the rubber is softened after which the rubber polymers continuously break down into smaller molecules.