Patent · US Active

Random access rotary valve

US8286663B2 · kind B2 · utility

15Cited by

13References

6Claims

0Family size

Assignee

GE Healthcare Bio-Science AB · US

Inventors

Patrik Kallback · Karlstad, SE
Anders Wilen · Uppsala, SE

Key dates

Filing date	May 8, 2008
Grant date	Oct 16, 2012
Priority date	—
Expiry date	Oct 22, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/86533
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A rotary valve for selectively connecting at least one component (51, 52) into a fluid path. According to the invention the inner stator face (111a, 211a) comprises orifices (131b-136b; 231b-236b) and said inner rotor face (112a, 212a) comprises at least a first groove (121, 221), a second groove (122, 222), and a third groove (123, 223) so arranged that the rotary valve can take at least three different rotary positions, in which either both components are bypassed, only one of the components is connected and the other bypassed or both components are connected to a main flow.

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