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US Patent 11932399 Expandable cellular system for a sandwich panel

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Contents

Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent
1

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
119323991
Patent Inventor Names
Bertrand Desjoyeaux1
François Taillard1
Florent Bouillon1
Davi Silva De Vasconcellos1
Date of Patent
March 19, 2024
1
Patent Application Number
174126761
Date Filed
August 26, 2021
1
Patent Citations
‌
US Patent 8302733 Acoustic absorber for aircraft engines
1
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US Patent 8844862 Aft pylon fairing for aircraft engine suspension system, comprising a heat shield capable of expanding freely
1
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US Patent 9469256 Thermo-acoustic protection structure for a rotating machine
1
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US Patent 9951690 Low noise aeroengine inlet system
1
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US Patent 10626799 Flexible acoustic honeycomb
1
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US Patent 10947354 High temperature composite honeycomb
1
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US Patent 10808399 Enhanced acoustic cell and enhanced acoustic panel, and methods of producing the same
1
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US Patent 11427299 Cell structure and acoustic attenuation device for a nacelle of an aircraft propulsion assembly
1
...
Patent Primary Examiner
‌
Edgardo San Martin
1
CPC Code
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F02C 7/045
1
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F02C 7/24
1
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F05D 2260/96
1
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F05D 2260/963
1
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F02K 1/827
1
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F02K 1/82
1
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B32B 3/12
1
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B32B 3/26
1
...
Patent abstract

A sandwich panel for an aircraft turbojet nacelle includes an outer skin in contact with an air flow, an inner skin opposed to the outer skin, and an intermediate system comprising partitions connecting the inner and outer skins so as to form cells, the inner skin of at least one cell having at least one corrugation configured to allow the materials making up the sandwich panel to deform in the event of thermal variation.

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