Annulus filler
US10746031B2 · kind B2 · utility
3Cited by
27References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 17, 2018 |
| Grant date | Aug 18, 2020 |
| Priority date | — |
| Expiry date | Jan 2, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An annulus filler may include an outer lid defining an airflow surface for air being drawn through the engine in an axial airflow direction and a support structure configured to connect the outer lid to a rotor disc. The annulus filler may include a composite material including a plurality of relatively high-modulus reinforcement elements, a plurality of relatively tough polymer-based reinforcement elements, and a matrix material substantially encapsulating the plurality of relatively high-modulus reinforcement elements and the plurality of relatively tough reinforcement elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.