Patent · US Expired

Semiconductor-type flow rate detecting apparatus

US4677850A · kind A · utility

41Cited by
10References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 21, 1986
Grant dateJul 7, 1987
Priority date
Expiry dateMar 21, 2006

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01F5/00
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

In a semiconductor-type flow rate detecting apparatus, a casing arranged in the fluid path includes first and second semiconductor chips. The first semiconductor chip has a first temperature detector. The second semiconductor chip arranged in proximity to the first semiconductor chip has a heater and a second temperature detector.

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