Patent · US Expired

Wear sensor

US4884434A · kind A · utility

30Cited by
5References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 13, 1989
Grant dateDec 5, 1989
Priority date
Expiry dateFeb 13, 2009

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N17/00
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A wear sensor provided with a block incorporating one or more optical fibers for indicating that wear has occurred to the block, on the basis of a fact that the fibers have been severed on account of wear of the block.

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