Pumping system and method for multiple liquids
US6142744A · kind A · utility
7Cited by
6References
39Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 27, 1999 |
| Grant date | Nov 7, 2000 |
| Priority date | — |
| Expiry date | May 27, 2019 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05B2210/132
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A pumping system and method according to which a plurality of housings are connected together, with each having an inlet and an outlet for respectively receiving and discharging the liquid to be pumped. A single shaft is driven by a motor and extends though all of the housings, and a plurality of rotors are respectively disposed in the housings and are connected to the shaft for rotation therewith. When the shaft is rotated, the rotors pump liquid passing into their corresponding housings from its inlet, through the housing and out its outlet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.