![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/4/43/Bogenfedern_und_Bogenfedersysteme.jpg/640px-Bogenfedern_und_Bogenfedersysteme.jpg&w=640&q=50)
Arc spring
Helical spring which is pre-curved in an arc shape / From Wikipedia, the free encyclopedia
The arc spring (also known as - bow spring, curved spring, circular spring or "banana" spring) is a special form of coil spring which was originally developed for use in the dual-mass flywheel of internal combustion engine drive trains. The term "arc spring" is used to describe pre-curved or arc-shaped helical compression springs. They have an arc-shaped coil axis.[1]
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/4/43/Bogenfedern_und_Bogenfedersysteme.jpg/640px-Bogenfedern_und_Bogenfedersysteme.jpg)