Fluid transfer using devices with rotatable housings
US7488158B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 28, 2005 |
| Grant date | Feb 10, 2009 |
| Priority date | — |
| Expiry date | Aug 24, 2026 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D1/12
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A liquid ring pump includes an external housing enclosing a volume including a lower fluid reservoir. A rotatable inner housing is within the volume of the external housing, the inner housing enclosing an inner fluid chamber. A pitot tube provides fluid communication between the lower fluid reservoir and the inner fluid chamber. The housings and pitot tube are adapted so that when the inner housing rotates, fluid flows from the lower fluid reservoir through the pitot tube into the inner fluid chamber to develop a liquid ring within the inner fluid chamber such that an inner radial wall of the liquid ring is just radially outward from a point where the pitot tube enters the inner fluid chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.