Patent · US Active

Process analysis unit

US8881580B2 · kind B2 · utility

7Cited by

8References

7Claims

0Family size

Assignee

HACH LANGE GMBH · DE

Inventors

Ulrich Lundgreen · Vellmar, DE
Aria Farjam · Düsseldorf, DE

Key dates

Filing date	Jul 28, 2010
Grant date	Nov 11, 2014
Priority date	—
Expiry date	Jan 8, 2031

Classification

Technology area (CPC G)Physics
CPC primaryG01N2201/024
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A process analysis unit includes a base module and an exchangeable cartridge module. The base module comprises at least one independent pump drive, and an analyte sensor without a fluidic measuring section. The cartridge module comprises a liquid reservoir tank, a sample taking device, at least one drive-less pump mechanism configured as a peristaltic membrane pump, a fluidic measuring section for the analyte sensor, and a plastic material plate with groove-like microfluidic channels configured to connect the liquid reservoir tank, the at least one drive-less pump mechanism, and a measuring section. The drive-less pump mechanism is driven pneumatically and pumps a liquid from the liquid reservoir tank. When the cartridge module is connected to the base module, the at least one drive-less pump mechanism is connected to and is driven by the at least one independent pump drive, and the fluidic measuring section is connected to the analyte sensor.

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