Bellows pump system
US8950634B2 · kind B2 · utility
5Cited by
16References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2011 |
| Grant date | Feb 10, 2015 |
| Priority date | — |
| Expiry date | Dec 21, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B11/1035
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A simplified pump system may include a bellow having a suction valve, a stem, and a fluid lock wherein the product flow into and out of a pump chamber formed by the bellow and stem is controlled by the suction valve and fluid lock.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.