Harvest
SmartBolt is designed to draw energy from the vibration of the equipment it is installed in. The same motion that tends to loosen a joint is intended to become the energy source that counters it.
Product
SmartBolt
A self-powered fastener, designed to restore its own preload using energy harvested from vibration.
Development status
SmartBolt is in prototype development. Performance data is shared with qualified partners under NDA.
A prototype tensioner is being manufactured in China, with arrival estimated for 27 November 2026.
SmartBolt technology is the subject of pending patent applications, including a filed PCT international application.
Function
How SmartBolt is designed to work
Three functions are intended to work together inside the fastener, so the joint is designed to look after its own clamp force.
What each function is designed to do
Store
Harvested energy is intended to accumulate within the fastener, so the restoration mechanism can act when it is needed, not only at the moment vibration is present.
Restore
The restoration mechanism is designed to use stored energy to bring the joint's preload back toward its intended level as clamp force falls over time.
Design intent
What SmartBolt is intended to change
- Self-powered. SmartBolt is designed to run on energy it harvests, with no external power supply or wiring to the joint.
- Self-contained. Harvesting, storage and the restoration mechanism are intended to sit within the fastener.
- Less manual re-tightening. SmartBolt is intended to reduce how often joints in vibrating equipment need to be checked and re-tightened by hand.
Technical information under NDA
Qualified industrial partners, investors and collaborators can request further detail.