Micropump
US8282366B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 8, 2006 |
| Grant date | Oct 9, 2012 |
| Priority date | — |
| Expiry date | Jan 19, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/8287
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A pump including a stator, a rotor comprising an axial extension slidably and rotatably mounted at least partially in a rotor chamber of the stator, and at least first and second valves between an inlet and the rotor chamber, respectively between the rotor chamber and an outlet, that open and close as, a function of at least the angular displacement of the rotor. The pump comprises interacting cam elements on the rotor and stator and biasing elements acting on the rotor for applying a force on the rotor in the axial direction of the stator cam elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.