Patent · US Expired

Flow sensor

US5765432A · kind A · utility

7Cited by
6References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 8, 1996
Grant dateJun 16, 1998
Priority date
Expiry dateNov 8, 2016

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01F1/692
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A flow sensor has a diaphragm and a resistive film positioned on the diaphragm. A heater is formed from the resistive film and temperature sensors are arranged on both sides of the heater. On both sides of the heater are additional temperature sensors, which are interconnected by an interconnect resistor and formed from the resistive film.

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