Patent · US Expired

Isolation device and fluid connection

US6209927A · kind A · utility

6Cited by
7References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 10, 1999
Grant dateApr 3, 2001
Priority date
Expiry dateSep 10, 2019

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16L23/22
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A metal diaphragm is provided which acts as a spring while defining a flow path. A restraint limits upward movement of the diaphragm during transient motion. Downward movement is resisted by a Belleville spring.

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