Extended elasticity of pump membrane with conserved pump force
US9377017B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 15, 2013 |
| Grant date | Jun 28, 2016 |
| Priority date | — |
| Expiry date | Aug 18, 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 pump housing member having a chamber with inner walls and an open end having a first area, the pump housing member comprises an enlarged surface surrounding the open end of the chamber. The pump further comprises a second pump housing member and a membrane element with a second area. The membrane element has a first central section having a third area with same size as the first area of the open end of the chamber. The membrane element is arranged on the pump housing element with the first central section positioned over the open end, forming a sealed chamber. A portion of the membrane element is slidably clamped between the enlarged surface and the second pump housing member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.