Progressive pump force regulation
US9360004B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 15, 2013 |
| Grant date | Jun 7, 2016 |
| Priority date | — |
| Expiry date | Nov 15, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49236
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A pump comprising a membrane element and a pump housing having a chamber with a bevelled inner wall. The chamber comprises an open end having a third area. The membrane element has a first area, and comprises a central section with a second area which is surrounded by a periphery section. The central section is thicker than the periphery section. Further, the second area of the central section is smaller than the third area of the open end of the chamber and the membrane element is arrangable over said pump housing forming a sealed chamber, whereby the central section of the membrane element is arranged over the open end, and the central section is protruding away from the chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.