Motor pump with balanced motor rotor
US6861777B2 · kind B2 · utility
14Cited by
4References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 13, 2003 |
| Grant date | Mar 1, 2005 |
| Priority date | — |
| Expiry date | Jan 13, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04C2270/19
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A motor pump is provided in which the motor rotor is optimally force balanced for enhanced operation. The motor pump includes a pump head for pressurizing a fluid, and an electric motor drives the pump head. High pressure fluid is circulated through the motor air gap. The shaft of the motor rotor is axially movable with respect to the pump head such that the motor rotor is effectively floated in high pressure fluid as the fluid flows through the motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.