Low cost fuel supply system for gas turbine engines
US4926629A · kind A · utility
13Cited by
10References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 28, 1988 |
| Grant date | May 22, 1990 |
| Priority date | — |
| Expiry date | Oct 28, 2008 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2250/52
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A high speed liquid vortex pump is fitted with an electrically controlled needle valve assembly which modulates the pressure of a small portion of the working fluid which in turn moves a spool valve to regulate the high volume, high pressure pump output flow.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.