Invention Grant
- Patent Title: Turbofan engine with acoustic treatment
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Application No.: US16784328Application Date: 2020-02-07
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Publication No.: US11591958B2Publication Date: 2023-02-28
- Inventor: Sid-Ali Meslioui
- Applicant: PRATT & WHITNEY CANADA CORP.
- Applicant Address: CA Longueuil
- Assignee: PRATT & WHITNEY CANADA CORP.
- Current Assignee: PRATT & WHITNEY CANADA CORP.
- Current Assignee Address: CA Longueuil
- Agency: Norton Rose Fulbright Canada LLP
- Main IPC: F02C7/045
- IPC: F02C7/045 ; F02C7/24
Abstract:
There is provided a turbofan engine having: a fan rotatable about an axis within a case; a first acoustic treatment lining a first portion of the case upstream of the fan; and a second acoustic treatment lining a second portion of the case downstream of the fan, the first acoustic treatment having different noise-attenuating characteristics relative to the second acoustic treatment.
Information query
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