Transmission housing assembly having improved bearing liner
AssigneeBell Helicopter Textron Inc.
InventorsRyan T. Ehinger, K. Myron Jackson, Charles J. Kilmain
Life of this patent
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Abstract
A housing assembly for use in a rotorcraft includes a housing having an opening, a bearing configured to radially and/or axially support a shaft that is adapted to rotate, the bearing disposed within the opening of the housing, and a liner arranged between the housing and the bearing. The liner is made of a material selected from the group consisting of ceramic material, ceramic coated material, ceramic and metallic hybrid material, lightweight metallic material, lightweight metallic alloy material and lightweight metallic coated material.
Claims52
A housing assembly for use in a rotorcraft comprising:
- a housing including an opening;
- a bearing configured to axially, or radially, or both radially and axially support a shaft that is adapted to rotate, the bearing disposed within the opening of the housing;
- and
- a liner arranged between the housing and the bearing,
- wherein the liner is made of a material selected from the group consisting of ceramic material, ceramic coated material, ceramic and metallic hybrid material, lightweight metallic material, lightweight metallic alloy material and lightweight metallic coated material, wherein a density of the lightweight metallic material, the lightweight metallic alloy material and the lightweight metallic coated material is less than that of steel.
A liner for use in a rotorcraft and configured to be positioned between a main housing and a bearing housing, the liner made of a material selected from the group consisting of ceramic material, ceramic coated material, ceramic and metallic hybrid material, lightweight metallic material, lightweight metallic alloy material and lightweight metallic coated material, wherein a density of the lightweight metallic material, the lightweight metallic alloy material and the lightweight metallic coated material is less than that of steel.
A housing assembly for supporting a rotating member comprising:
- a bearing configured to axially, or radially, or both radially and axially support the member;
- a housing configured to support the bearing therein;
- and
- a liner positioned between the housing and the bearing,
- wherein the liner is made of a material selected from the group consisting of ceramic material, ceramic coated material, ceramic and metallic hybrid material, lightweight metallic material, lightweight metallic alloy material and lightweight metallic coated material, wherein a density of the lightweight metallic material, the lightweight metallic alloy material and the lightweight metallic coated material is less than that of steel.
Dependencies are inferred from the claim text.