Patent · US Expired

Mass-flow sensing transducer

US4599907A · kind A · utility

15Cited by
1References
7Claims
0Family size

Inventors

Key dates

Filing dateApr 19, 1985
Grant dateJul 15, 1986
Priority date
Expiry dateApr 19, 2005

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01F1/28
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A variable capacitance device generally intended for use in measuring the mass flow of air while passing through an engine-manifold. The device is capable of responding to the impingement of a stream of air on its flexible capacitor plate located within an air conveying duct, in which the impingement tends to bend the flexible capacitor plate over the curved surface of a rigid electrically insulated capacitor plate. The gradual bending of the flexible capacitor plate over the curved surface of the rigid capacitor plate changes the capacitance of the device at rate proportional to the rate of change in the mass-flow of the gas.

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