Rolling diaphragm pump
US11668292B2 · kind B2 · utility
0Cited by
7References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 7, 2020 |
| Grant date | Jun 6, 2023 |
| Priority date | — |
| Expiry date | Mar 29, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05B2210/11
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A rolling diaphragm 5 of a rolling diaphragm pump 1 has a movable portion 31 reciprocatable together with a piston 3, a fixed portion 32 fixed to a housing 2, and a thin film portion 33 connecting the movable portion 31 and the fixed portion 32 and bending due to reciprocation of the piston 3. A rubber layer 6 is overlaid on the thin film portion 33 without being adhered to the thin film portion 33, an end portion 6a on the movable portion 31 side of the rubber layer 6 is fixed to the piston 3, and an end portion 6b on the fixed portion 32 side of the rubber layer 6 is fixed to the housing 2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.