Invention Grant
- Patent Title: Hollow fan blade constrained layer damper
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Application No.: US15786915Application Date: 2017-10-18
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Publication No.: US10557353B2Publication Date: 2020-02-11
- Inventor: Eric W. Malmborg , Thomas A. Pollack
- Applicant: United Technologies Corporation
- Applicant Address: US CT Farmington
- Assignee: UNITED TECHNOLOGIES CORPORATION
- Current Assignee: UNITED TECHNOLOGIES CORPORATION
- Current Assignee Address: US CT Farmington
- Agency: Cantor Colburn LLP
- Main IPC: F01D5/16
- IPC: F01D5/16 ; F01D5/18

Abstract:
A fan blade having a damping system is provided. The fan blade comprising: a fan blade body having one or more compartments within the fan blade body; a damping material located within at least one of the one or more compartments; one or more partial ribs originating at the fan blade body and extending into at least one of the one or more compartments, wherein each of the one or more partial ribs terminate at a distal end; and one or more damping plates, wherein each of the one or more damping plates are attached to a distal end of a partial rib, wherein the damping material is located between the damping plate and the fan blade body.
Public/Granted literature
- US20190112931A1 HOLLOW FAN BLADE CONSTRAINED LAYER DAMPER Public/Granted day:2019-04-18
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