Patent · US Expired

Apparatus for detecting metal debris particles

US4677425A · kind A · utility

4Cited by
3References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 8, 1985
Grant dateJun 30, 1987
Priority date
Expiry dateApr 8, 2005

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N15/0656
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An apparatus is provided for detecting metal debris particles in a fluid flowing in machinery. The apparatus is adapted to be installed in machinery and has a grid means of electrically insulating material provided with openings of a first type and a second type respectively to allow fluid passage therethrough. Each opening is conductively connected to electric means adapted to provide an electric signal when a conducting particle of metal debris having a predetermined size is trapped in or across any of the openings.

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