Gearbox lubrication system for aircraft
US10746284B2 · kind B2 · utility
8Cited by
12References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 19, 2016 |
| Grant date | Aug 18, 2020 |
| Priority date | — |
| Expiry date | Nov 16, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H57/045
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A gearbox for a rotary wing aircraft including a sump, a primary lubricant reservoir fluidically connected to the sump, one or more primary lubricant jets fluidically connected to the primary lubricant reservoir, an auxiliary lubricant reservoir fluidically connected to the sump, one or more auxiliary lubricant jets fluidically connected to the auxiliary lubricant reservoir, and at least one valve selectively fluidically connecting the sump and the primary lubricant reservoir based on a first lubricant pressure and the sump and the auxiliary lubricant reservoir based on a second lubricant pressure at the at least one valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.