Patent · US Active

Valve assembly

US7908934B2 · kind B2 · utility

1Cited by

47References

29Claims

0Family size

Assignee

DIONEX CORPORATION · US

Inventors

Khosro Moshfegh · Fremont, US
Jeff Thompson · Smithfield, US

Key dates

Filing date	Apr 2, 2008
Grant date	Mar 22, 2011
Priority date	—
Expiry date	Apr 23, 2029

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D11/0219
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A valve assembly includes a valve body having an inlet port and an outlet port, the valve body also having a valve chamber extending between the inlet port and the outlet port, a pair of seals each being located on opposing ends of the valve chamber; and a reciprocating piston extending into the valve chamber and movable between a closed position extending through the pair of seals and an open position extending only through one of the pair of seals, wherein the inlet port is fluidly connected with the outlet port when the piston is in the open position. A method of using the valve assembly is also disclosed.

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