Coil spring energy storage and uniform speed output

Does a coileaf spring system improve space utilization and energy storage?

The CoiLeaf spring system significantly improved space utilization and energy storage compared to commonly used coil spring systems and additional springs with mechanical components, as shown in Fig. 11. Fig. 11. Comparison between CoiLeaf spring system and a common spring system in the CVGC.

How much energy is stored in a coil spring system?

The energy stored in this spring system was 6.06 J, as calculated using Hooke's law. The volume of this system was 91.36 cm3. Therefore, the space utilization rate when using only the coil springs was 62.22 %, and the energy density was 0.066 J/cm3.

Can mechanical spring systems provide energy storage in elastic deformations?

Energy storage in elastic deformations in the mechanical domain offers an alternative to the electrical, electrochemical, chemical, and thermal energy storage approaches studied in the recent years. The present paper aims at giving an overview of mechanical spring systems’ potential for energy storage applications.

What is the energy storage capacity of coileaf spring?

Finally, we fabricated the proposed CoiLeaf spring. The energy storage capacity of the CoiLeaf spring system was experimentally measured as 11.38 J. Compared to the general systems utilized in the Γ-space, the maximum energy-storage capacity of the proposed CoiLeaf spring system was 5.47 times higher.© 2017 Elsevier Inc.

What are the functions of elastic storage device using spiral spring?

The principal functions of elastic storage device using spiral spring are energy storage and transfer in space and time. Elastic energy storage using spiral spring can realize the balance between energy supply and demand in many applications.

What is the energy density of coileaf spring system?

In case of the CoiLeaf spring system, the volume of the CoiLeaf spring system was 80.13 cm3, and its space utilization rate in the given design space was 53.57%. The energy stored by the spring system under the loading condition was 11.38 J, and the energy density ω was 0.142 J/cm3. 6.4.1. Compression coil spring system