Autorotative enhancement system
US9180964B2 · kind B2 · utility
17Cited by
9References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2013 |
| Grant date | Nov 10, 2015 |
| Priority date | — |
| Expiry date | Oct 10, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49117
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An autorotative enhancement system comprises a transmission having a driveshaft configured to couple to an engine. A mast is configured to couple to multiple rotor blades. An autorotative assist unit is configured to the transmission and is configured to store energy during normal operation and drive the rotor blades through the transmission to provide supplemental autorotative assistance upon loss of engine power.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.