Patent · US Expired

Magnetostrictive pressure detector

US4495821A · kind A · utility

4Cited by
4References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 31, 1983
Grant dateJan 29, 1985
Priority date
Expiry dateJan 31, 2003

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S73/02
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A pressure sensitive, toroidal magnetostrictive core wound with primary and secondary coils providing inputs to self-checking circuitry for analyzing operability status and providing redundant pressure measurement options is described. Pressure sensing assemblies are presented which are useful for measuring hydrostatic pressure or concentrated loads.

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