Patent · US Active

Assembly and method for measuring strain in a washer

US11867582B2 · kind B2 · utility

0Cited by

18References

20Claims

0Family size

Assignee

SINTEFF TTO AS · NO

Inventors

Sigbjørn Kolberg · Oslo, NO
Magnus Blihovde Hjelstuen · Trondheim, NO
Tor Arne Reinen · Trondheim, NO

Key dates

Filing date	Sep 5, 2019
Grant date	Jan 9, 2024
Priority date	—
Expiry date	Dec 25, 2040

Classification

Technology area (CPC G)Physics
CPC primaryG01N2291/2691
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

The invention relates to a solution for how to measure the strain in a washer mounted in a bolt assembly comprising a bolt, nut and washer. The invention concerns a strain measuring washer assembly comprising a plate shaped washer body, sound emitting means and sound detecting means, and a method for using such.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.