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US 2017/0022824 A1Published application
Fan platform with stiffening feature
AssigneeUnited Technologies Corporation
InventorsMatthew A. Turner, Royce E. Tatton, Kristin Wood, Matthew Satterwhite
Life of this patent
Estimating the term…
Abstract
A fan blade platform is provided. The fan blade platform may include a wall, a first sidewall extending from the flowpath to a circular member, and a second sidewall extending from the flowpath to the circular member. A stiffening member may also extend from the circular member to the flowpath and be formed integrally with the first sidewall, the second sidewall, and the flowpath.
Claims20
A fan blade platform, comprising:
- a flowpath;
- a first sidewall extending from the flowpath to a circular member;
- a second sidewall extending from the flowpath to the circular member;
- and
- a stiffening member extending from the circular member to the flowpath, the stiffening member formed integrally with the first sidewall, the second sidewall, and the flowpath.
2 more elements
A fan blade assembly, comprising:
- a hub configured to rotate about an axis;
- a fan blade coupled to the hub;
- a platform configured to rotate with the fan blade and the hub, the platform comprising:
- a flowpath having a circumferential orientation,
- a first sidewall extending radially from a circular member to the flowpath;
- a second sidewall extending radially from the circular member to the flowpath;
- a stiffening member extending radially from the circular member to the flowpath, the stiffening member disposed between the first sidewall and the second sidewall;
- and
- a pin engaging the circular member and configured to retain the platform.
6 more elements
A method of making a fan blade platform, comprising:
- laying up a first layer and a second layer on a first mandrel to form a first lobe;
- laying up a third layer and a fourth layer on a second mandrel to form a second lobe;
- wrapping a fifth layer around the first lobe, the second lobe, and a circular member, wherein the first lobe contacts the second lobe;
- and
- molding the first lobe, the second lobe, the circular member, and the fifth layer integrally.
2 more elements
Dependencies are inferred from the claim text.