Variable output vortex pump
US4869642A · kind A · utility
9Cited by
13References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 9, 1988 |
| Grant date | Sep 26, 1989 |
| Priority date | — |
| Expiry date | Jun 9, 2008 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/468
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A high speed liquid vortex pump is fitted with a flexible tube in the discharge throat. The flow area of the flexible tube, and thus the pump output flow rate, is varied by surrounding the tube with a pressure modulated stream of the working fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.