Multistage sealed coolant pump
US8096782B2 · kind B2 · utility
3Cited by
81References
3Claims
0Family size
Inventor
Key dates
| Filing date | Apr 20, 2006 |
| Grant date | Jan 17, 2012 |
| Priority date | — |
| Expiry date | Nov 9, 2026 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D13/0606
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A multistage sealed pump is provided for use in an X-ray tube cooling system which is substantially more efficient than pumps of known construction and which provides substantially higher pumping pressure at lower motor current than conventionally. Cooling liquid can be transferred from stage to stage by interconnecting tubing external of the housing or within the housing, through a hollow motor shaft, or through the motor casing. In another embodiment, the multiple impellers can be directly mounted on a shaft extending from a single end of the motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.