Pump
US10519957B2 · kind B2 · utility
0Cited by
10References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 13, 2014 |
| Grant date | Dec 31, 2019 |
| Priority date | — |
| Expiry date | Jun 9, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D5/006
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A pump with a housing, in which an electric motor of a pump step which can be driven by a shaft of the electric motor is arranged. A second pump step which can be driven by the shaft is arranged in series with the first pump step, both pump steps being designed as peripheral or lateral channel steps and the running wheels of both pump steps are arranged counter to the direction of conveyance of other pump step.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.