Buffered pump system
US11519394B2 · kind B2 · utility
1Cited by
11References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 25, 2019 |
| Grant date | Dec 6, 2022 |
| Priority date | — |
| Expiry date | Jan 15, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B11/0064
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A pump including an inlet one-way valve; a pump chamber downstream of and in fluid communication with the inlet one-way valve; a piston slideably engaged with the pump chamber; a piston cavity within the piston and in fluid communication with the pump chamber; a liquid accumulator operable within the piston cavity; an actuator engaged with piston; and an outlet one-way valve downstream of and in fluid communication with the pump chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.