Patent · US Expired

Position transmitter for a pneumatic-pneumatic or electro-pneumatic converter

US4731996A · kind A · utility

3Cited by
5References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 10, 1984
Grant dateMar 22, 1988
Priority date
Expiry dateSep 10, 2004

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG05D3/1472
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A position transmitter which can be incorporated in a pneumatic-pneumatic or electro-pneumatic converter, and which readily provides for calibration between a zero position and a maximum position of a device to be actuated by the converter. The invention also provides a virtually non-interacting zero and span or full scale adjustment, for ease of calibration.

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