Engine acoustic treatment
April 9, 2028. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesLow-noise level reciprocating piston internal combustion engine Casing member for elements of internal combustion engines Rocker housing and rocker cover Idler attaching boss construction Molded dual cam cover Shaft seal and bore assembly Multi polymer structures for internal combustion engines Plastic valve cover with integral noise shield Housing cover with compensating elements Engine rocker arm cover having reduced noise transmission InventorsAssigneeApplicationNo. 12100056 filed on 04/09/2008US Classes:181/290Multilayer panel or wall structureExaminersPrimary: Donels, JeffreyAssistant: Russell, Christina Attorney, Agent or FirmForeign Patent References
International ClassesE04B 1/82E04H 17/00 F02B 77/00 F02B 77/04 F02B 77/13 F01M 9/10 AbstractAn example embodiment of an acoustic treatment for an engine having at least one engine component extending substantially therefrom includes a base layer having a first base surface and an opposing second base surface. The first base surface is configured to mate with an exterior surface of the engine. The example embodiment also includes a secondary layer having a secondary layer mating surface and an opposing secondary layer outer surface. The secondary layer mating surface is configured to mate with the second base surface at a mating interface. The interface provides a pass-through location for the at least one engine component. | |
