Patent · US Active

Airflow measuring device

US8590368B2 · kind B2 · utility

9Cited by
6References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 13, 2012
Grant dateNov 26, 2013
Priority date—
Expiry dateJun 21, 2032

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01F1/6842
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An airflow measuring device has a bypass passage accommodating a thermal-type sensor configured to conduct heat transfer with air. A mainstream of intake air partially flows through the bypass passage and flows out of an outlet, as an after-bypass-passage flow. The mainstream partially flows along the outer surface of the airflow measuring device, without passing through the bypass passage, as an outside-passage flow. The outer surface of the airflow measuring device defines a throttle at the downstream of the outlet. The throttle merges the after-bypass-passage flow with the outside-passage flow and guides the merged flow to the downstream.

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