Portable acoustic diffuser for portable generators

Details Portable acoustic diffuser for portable generators Portable acoustic diffuser for portable generators

2006-06-02

2009-02-17

Benson, Walter (Department: 2837)

Acoustics

Sound-modifying means

Housing or enclosure

C181S202000, C181S204000, C181S205000, C062S296000

Reexamination Certificate

active

07490697

ABSTRACT:
A portable casing includes a body that has first, second, third and fourth sidewalls defining a cavity therebetween. The body has open top and bottom surfaces spanning along a cross-section thereof. The body has an outer layer formed from foam material and an inner layer that has an egg-crate shape and is statically abutted to the outer layer. The inner layer is formed from fire-retardant material. A lid is removably attached to the body top surface. A water impermeable outer canvas is formed from flexible material for being gathered and stretched along the sidewalls. A mechanism is included for ventilating heat emitted by the generator. Stakes are passed through the lid and the bottom surface of the body, anchoring the body to the ground. Tie-down straps are connected to the stakes, assisting a user to remove the stakes from the body.

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patent: 2005/0056481 (2005-03-01), Mafi et al.
patent: 2008/0099275 (2008-05-01), Seel

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