Back to results
US 11,939,871 B1Granted
Abradable material and design for jet engine applications
AssigneeRtx Corporation
InventorsKerry E. Muenchow, Georgios S. Zafiris, Raymond P. Martina, Jr., John Harner, Imad Hanhan, Darin S. Lussier, Scott A. Smith, Mark W. Costa, Michael R. LaFavor
Life of this patent
Estimating the term…
Abstract
An abradable material for a rub strip of a gas turbine engine component includes a polymer matrix, and an organic or inorganic filler distributed through the matrix, wherein the abradable material has a compression spring rate profile including: less than 50,000 lb/in at −65° F., less than 35,000 lb/in at room temperature, and less than 35,000 lb/in at 200° F.
Claims20
An abradable material for a rub strip of a gas turbine engine component, comprising:
- a polymer matrix, and
- an organic or inorganic filler distributed through the matrix, wherein the abradable material has a compression spring rate profile comprising:
- less than 50,000 lb/in at −65° F.,
- less than 35,000 lb/in at room temperature, and
- less than 35,000 lb/in at 200° F.
2 more elements
Dependencies are inferred from the claim text.