Patent · US Expired

Oscillating piston flowmeter

US6018995A · kind A · utility

1Cited by
6References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 30, 1998
Grant dateFeb 1, 2000
Priority date
Expiry dateJan 30, 2018

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01F3/08
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An oscillating flowmeter including a measuring chamber having a bottom, a cylindrical jacket, a central journal, a guide ring, a separating wall, and inlet and outlet openings, and a piston located in the measuring chamber and having a bottom, a cylindrical skirt, at least one pilot journal engageable with and rotatable about the central journal of the measuring chamber, and a guiding slot extending in the skirt and the bottom and up to separating wall of the measuring chamber, with at least one of the central journal of the measuring chamber and the pilot journal of the piston being formed as a resiliently pliable member.

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