run-flat tire

run-flat tire
A tire which can run for a certain length of time without air in it. In the inflated state, conventional tubeless tires perform the task of containing air and rolling. Once deflation occurs, the tire bead becomes dislodged from the rim bead seat and slides into the rim well. As a result of friction, the tire will become distorted and the rim may plough into the road, leading to loss of control and potentially resulting in an accident. Run-flat tires are designed to operate effectively with or without air, providing acceptable handling qualities when deflated, and good handling qualities when inflated.

Dictionary of automotive terms. 2015.

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  • Run-flat tire — A run flat tire is a pneumatic vehicle tire that is designed to resist the effects of deflation when punctured, and to enable the vehicle to continue to be driven at reduced speeds (up to 90 km/h or 55 mph), and for limited distances of up to 100 …   Wikipedia

  • Run Flat Tire — Die Artikel Profiltiefenmessung und Autoreifen überschneiden sich thematisch. Hilf mit, die Artikel besser voneinander abzugrenzen oder zu vereinigen. Beteilige dich dazu an der Diskussion über diese Überschneidungen. Bitte entferne diesen… …   Deutsch Wikipedia

  • run-on tire — A tire with a limited ability to run without air in it; sufficient to pull over safely. Compare run flat tire …   Dictionary of automotive terms

  • Flat tire — The term flat tire describes the condition whereby a pneumatic tire becomes deflated, such that the metal of the wheel is no longer kept suspended above the ground. This can occur for several reasons: [ [http://www.diynetwork.com/diy/ab… …   Wikipedia

  • run-flat — /run flat /, adj. (of an automobile tire) constructed so as not to deflate completely after a puncture so that a motorist can still drive the vehicle for some distance. [1945 50] * * * …   Universalium

  • run-flat — /run flat /, adj. (of an automobile tire) constructed so as not to deflate completely after a puncture so that a motorist can still drive the vehicle for some distance. [1945 50] …   Useful english dictionary

  • run flat — Damage sustained by a tire due to driving with insufficient air pressure or while flat. Some types of tires will allow you to run the tire with no air pressure for a short period of time …   Dictionary of automotive terms

  • run-flat properties — The capability of a deflated tire to operate effectively, i.e., to permit further driving. To achieve this, the following must be fulfilled: the tire beads must be retained against the rim flanges and on the rim bead seats when the tire deflates; …   Dictionary of automotive terms

  • Tire-pressure monitoring system — A tire pressure monitoring system (TPMS) is an electronic system designed to monitor the air pressure inside the pneumatic tires on various types of vehicles. The system is also sometimes referred to as a tire pressure indication system (TPIS).… …   Wikipedia

  • Tire maintenance — Friction from moving contact with the road causes the tread on the outer perimeter of the tire to eventually wear away. When the tire tread becomes too shallow, the tire is worn out and should be replaced. The same wheels can usually be used… …   Wikipedia

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