About 20 results
https://drivepatents.com/patents/1395943 · 11 Mar 2026
A face sheet (110A) of an acoustic liner (110) for a gas turbine engine (20), having: a first surface (120), a second surface (140), and a sheet body (130) extending from the first surface (120) to the second surface (140); a forward end (150), an aft end ...
https://drivepatents.com/patents/965682 · 31 Dec 2014
A turbocharger silencer (30) that is installed at the upstream side of an inlet of an intake-air introducing path for introducing intake air and that absorbs noise is provided with an intake-air inlet opening (32) formed at an outer circumferential surface...
https://drivepatents.com/patents/970301 · 10 Sep 2014
The attenuator (1) comprises a tubular sound attenuator housing (10) that is adapted to enclose a flow duct between a face-side inlet opening (11) and a rear-side outlet opening (12) such that a flow is directed from a central point of the inlet opening to...
https://drivepatents.com/patents/981259 · 4 Dec 2013
An acoustic panel comprises a first cellular layer with cells having a first axis, a second cellular layer with cells having a second axis, and a perforated septum layer separating the first layer and the second layer. The cells of both layers have an end ...
https://drivepatents.com/patents/982922 · 23 Oct 2013
High bleed flow muffling systems are disclosed. Example muffling devices (100) according to at least some aspects of the present disclosure may include a first orifice plate (116) and a second orifice plate (120) at least partially defining a plenum (112) ...
https://drivepatents.com/patents/984448 · 28 Aug 2013
The element (26; 126) comprises a front layer (28), which is, at least in a region thereof, sound-permeable; a back layer (30), which is substantially sound-reflecting; and a honeycomb layer (32), which is sandwiched between the front layer (28) and the ba...
https://drivepatents.com/patents/988883 · 10 Jul 2013
A gas turbine inlet system includes a main inlet portion (12), wherein an airflow is introduced to the gas turbine inlet system. Also included is a silencer assembly (18). The silencer assembly includes a first silencing panel (22), wherein the first silen...
https://drivepatents.com/patents/990759 · 15 May 2013
An embodiment of the present invention takes the form of an IBH system (95) that has two conduits (100,105), which are positioned close to a downstream end of a silencer section (90). This arrangement may reduce the overall pressure drop associated with th...
https://drivepatents.com/patents/999273 · 22 Aug 2012
An example liner assembly (22) includes a backing plate that supports a cellular structure (26) covered by a perforated face sheet (28) including a plurality of openings (32). The surface of the face sheet (28) includes a surface finish no greater than an ...
https://drivepatents.com/patents/1000854 · 4 Jul 2012
An acoustic structure that includes a honeycomb having cells in which septum caps are located. The septum caps are formed from sheets of acoustic material and include a resonator portion and a flange portion. An adhesive flow barrier is arranged along the ...