torsion bar

torsion bar
A long spring steel rod attached in such a way that one end is anchored while the other is free to twist. One end is fastened to the frame at one end and to a suspension part at the other. If an arm is attached, at right angles, to the free end, any movement of the arm will cause the rod or bar to twist the bar's resistance to twisting provides a spring action. The torsion bar replaces both coilleaf springs in some suspension systems. The main advantage of the torsion bar over the coil spring in the front suspension is the ease of adjusting front suspension height.

Dictionary of automotive terms. 2015.

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Look at other dictionaries:

  • torsion bar — n. a metal bar exhibiting resilience under torsion; specif., one used in place of a coil spring in the suspension of some motor vehicles …   English World dictionary

  • torsion bar — a metal bar having elasticity when subjected to torsion: used as a spring in various machines and in automobile suspensions. [1945 50] * * * Rod or bar that resists twisting (see torque) and has a strong tendency to return to its original… …   Universalium

  • torsion bar — tor′sion bar n. mac a metal bar having elasticity when subjected to torsion: used as a spring in various machines and in automobile suspensions • Etymology: 1945–50 …   From formal English to slang

  • torsion bar — noun a bar forming part of a vehicle suspension, twisting in response to the motion of the wheels and absorbing their vertical movement …   English new terms dictionary

  • torsion bar — /ˈtɔʃən ba/ (say tawshuhn bah) noun a metal bar with the function of a torsional spring, resembling a coiled spring that has been drawn out into a rod, and used in the suspension system of some motor vehicles …  

  • torsion bar suspension — A suspension system that makes use of torsion bars in place of the leaf or coil spring …   Dictionary of automotive terms

  • torsion bar — noun Date: 1937 a long metal element in an automobile suspension that has one end held rigidly to the frame end and the other twisted and connected to the axle and that acts as a spring …   New Collegiate Dictionary

  • torsion bar — noun : a device to minimize sidesway and road jolts in automobiles …   Useful english dictionary

  • Torsion beam suspension — A torsion bar suspension, also known as a torsion spring suspension or incorrectly torsion beam, is a general term for any vehicle suspension that uses a torsion bar as its main weight bearing spring. One end of a long metal bar is attached… …   Wikipedia

  • Torsion spring — A mousetrap powered by a helical torsion spring A torsion spring is a spring that works by torsion or twisting; that is, a flexible elastic object that stores mechanical energy when it is twisted. The amount of force (actually torque) it exerts… …   Wikipedia

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