Noise-reducing engine enclosure

Details Noise-reducing engine enclosure Noise-reducing engine enclosure

2005-03-22

2005-03-22

Lockett, Kimberly (Department: 2837)

Acoustics

Sound-modifying means

Muffler, fluid conducting type

C181S234000

Reexamination Certificate

active

06868938

ABSTRACT:
A noise-reducing engine enclosure for an engine includes first and second members removably mounted to one another in cooperating relation to define an engine receiving space therebetween. The first and second members each include a noise-reducing layer of material to reduce noise transmission to the atmosphere outside of the engine enclosure during operation. The first and second members are movable between (1) an engine accessing position, wherein the first and second members are positioned to allow access to the engine during operation and (2) an engine enclosing position, wherein the first and second members cooperate to define the engine receiving space to receive and enclose the engine therein such that noise transmission to the atmosphere during operation is reduced.

REFERENCES:
patent: 5009043 (1991-04-01), Kurrasch
patent: 5390621 (1995-02-01), Hattori et al.
patent: 5467747 (1995-11-01), Brandt et al.
patent: 5586922 (1996-12-01), Kobayashi et al.
patent: 5743206 (1998-04-01), Hattori
patent: 5957022 (1999-09-01), Stumpf et al.
patent: 6033756 (2000-03-01), Handscomb
patent: 6471557 (2002-10-01), Hattori

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