Patent · US Expired

Unidirectional flow limiter

US4214607A · kind A · utility

19Cited by
10References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 11, 1979
Grant dateJul 29, 1980
Priority date
Expiry dateJan 11, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/87563
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

Unidirectional flow limiter housed in a union between a pipe and a user apparatus, comprising a first channel, a second channel, a flow reduction member between the two channels, a third channel, a non-return valve in the third channel and constituted by a deformable annular member placed concentrically about one of the first or second channels.

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