Patent · US Active

Pump system

US7726955B2 · kind B2 · utility

57Cited by

7References

17Claims

0Family size

Assignee

SENSILE PAT AG · CH

Inventors

Peter Ryser · Männedorf, CH
Sigfrid Straessler · Vevey, CH
Josef Hilber · Allenwinden, CH

Key dates

Filing date	Oct 15, 2004
Grant date	Jun 1, 2010
Priority date	—
Expiry date	Sep 20, 2027

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M2209/01
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A pump system having a pump module (10) comprising a stator housing (28) with a chamber (30), a rotor (32) rotatably and axially slidably received in the chamber and comprising a first axial extension (46) with a liquid supply channel (50) and a second axial extension with a liquid supply channel (52), the first and second axial extensions having different diameters, and first and second sealing rings (54, 56), mounted around the first and second axial extensions.

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