The Boeing Company

Peter E Herley

Brian Jay Tillotson

Bradley James Mitchell

Charles Briggs Spinelli

Kevin Yong Ung

Tamaira Emily Ross

Steven Craig Venema

James T Farricker

David B Blackwell

Daniel A Hendricks

Brenda K Carlson

Richard R Rocks

Thomas J Lowe

Bruce W Blayden

Kristina A Chinn

Steven C Venema

Tamaira E Ross

Data is remotely collected from a plurality of fasteners in response to a query signal wirelessly transmitted by a reader. Each of the fasteners includes a sensor for measuring a parameter related to the stress on the fastener. A device adapted to be attached to each of the fasteners receives the query signal, activates the sensor to measure the parameter and wirelessly transmits the data including the parameter to the reader.

Wireless collection of fastener data

The health of a structural joint clamped by fasteners is monitored by directly measuring the preload of the fasteners. The preload is measured by a transducer on the fastener and electronically transmitted to a monitoring station where the preload values may be analyzed to assess the health of the joint.

Monitoring fastener preload

Growing community of inventors

Renton, WA, United States of America

Peter E Herley