Patent · US Expired

Differential pressure transducer

US5024294A · kind A · utility

13Cited by
5References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 7, 1990
Grant dateJun 18, 1991
Priority date
Expiry dateJun 7, 2010

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01L9/14
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A differential pressure sensor indicating a housing forming a high pressure chamber, a nozzle mounted on the housing at one end of the chamber, a diaphragm mounted in the chamber to form a low pressure chamber in the nozzle, a spring retainer in the high pressure chamber, a spindle connected to the diaphragm, a tension spring connecting the spindle to the spring retainer, a circular magnet mounted on the spindle and a transducer mounted on the housing to sense the position of the magnet.

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