Flow and pressure ripple reduction with advance dual gear and bearing face cut
US8944793B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 13, 2012 |
| Grant date | Feb 3, 2015 |
| Priority date | — |
| Expiry date | Apr 26, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/19679
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An aircraft turbine engine Fuel Metering Unit (FMU) is provided including a main gear pump having a main drive gear and a main driven gear and a servo gear pump having a servo drive gear and a servo driven gear. The main drive gear and the servo drive gear are received on an input shaft. The main driven gear is mounted to a first shaft oriented parallel to and adjacent a first side of the input shaft. The main driven gear is in meshing engagement with the main drive gear. The servo drive gear is mounted to a second shaft arranged parallel to and adjacent a second, opposite side of the input shaft. The servo driven gear is in meshing engagement with the servo drive gear.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.