Gearbox lubrication system
US10443706B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 6, 2018 |
| Grant date | Oct 15, 2019 |
| Priority date | — |
| Expiry date | Nov 6, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16N2260/50
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
According to one embodiment, a rotorcraft includes a body, a rotor blade, a drive system that can be operated to rotate the rotor blade, and an emergency valve control unit. The drive system contains a first gearbox assembly, a second gearbox assembly, a first lubrication system that can deliver lubricant to the first gearbox assembly, and a second lubrication system that can deliver lubricant to the second gearbox assembly. The drive system also contains an emergency valve that can be opened to deliver lubricant from the first lubrication system to the second gearbox assembly. The emergency valve control unit can instruct the emergency valve to open.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.