Advanced thermally conductive lightweight elastomeric seal
AssigneeRtx Corporation
InventorsJohn Harner, Robert Kruzel
Life of this patent
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Abstract
A thermally conductive lightweight elastomeric seal including a stator substrate having an external surface; a casing coupled to the external surface, the casing including radial walls extending orthogonal radially from the external surface; an abradable material disposed within the casing, the abradable material comprises an elastomer material with imbedded metal-coated hollow microspheres, wherein the abradable material comprises a density of 0.5 to 0.6 grams/cubic centimeter; the abradable material and the casing being coupled together.
Claims18
A thermally conductive lightweight elastomeric seal comprising:
- a stator substrate having an external surface;
- a casing coupled to the external surface, the casing including radial walls extending orthogonal radially from the external surface;
- an abradable material disposed within the casing, the abradable material comprises an elastomer material with imbedded metal-coated hollow microspheres, wherein the abradable material comprises a density of 0.5 to 0.6 grams/cubic centimeter, wherein the abradable material comprises elastic moduli ranging from 200-500 pounds per square inch;
- and
- the abradable material and the casing being coupled together.
A thermally conductive lightweight elastomeric seal for a gas turbine engine rotor and stator comprising:
- a stator substrate having an external surface;
- a casing coupled to the external surface, the casing including radial walls extending radially from the external surface;
- an abradable material disposed within the casing radial walls relative to an axis A, the abradable material comprises an elastomer material with imbedded metal-coated hollow microspheres, wherein the abradable material comprises a density of 0.5 to 0.6 grams/cubic centimeter, wherein the abradable material comprises thermal conductivities ranging from 1.3-2.0 W/mK;
- and
- the abradable material and the casing being coupled together.
A gas turbine engine abradable seal thermal conduction process comprising:
- providing a stator substrate having an external surface;
- coupling a casing to the external surface, the casing including radial walls extending radially from the external surface;
- disposing an abradable material within the casing radial walls relative to an axis A, wherein the abradable material comprises an elastomer material with imbedded metal-coated hollow microspheres, wherein the abradable material comprises a density of 0.5 to 0.6 grams/cubic centimeter, wherein the abradable material comprises elastic moduli ranging from 200-500 pounds per square inch;
- and
- coupling the abradable material and the casing together.
Dependencies are inferred from the claim text.