Positive displacement pump system
US5437542A · kind A · utility
11Cited by
14References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 22, 1994 |
| Grant date | Aug 1, 1995 |
| Priority date | — |
| Expiry date | Mar 22, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7836
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An improved positive displacement pumping system uses a pair of pumps operating in opposition to one another to provide continuous and constant volumetric flow at a constant predetermined pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.