Suction apparatus with noise reduction means

Details Suction apparatus with noise reduction means Suction apparatus with noise reduction means

2008-03-04

2008-03-04

Martin, Edgardo San (Department: 2837)

Acoustics

Sound-modifying means

Muffler, fluid conducting type

C181S231000, C181S250000, C181S266000, C181S273000, C181S276000

Reexamination Certificate

active

07337876

ABSTRACT:
A suction apparatus is provided with noise reduction means in one or more airflow passages for reducing noise emission from an airflow generator or the like, wherein at least one airflow passage is provided with at least one indentation with a predetermined depth extending substantially perpendicularly to the general direction of the noise in the passage.

REFERENCES:
patent: 2546707 (1951-03-01), Wallingford
patent: 3773141 (1973-11-01), Thien et al.
patent: 4244439 (1981-01-01), Wested
patent: 4327816 (1982-05-01), Bennett
patent: 4336863 (1982-06-01), Satomi
patent: 4346781 (1982-08-01), Ingard et al.
patent: 4418443 (1983-12-01), Fischer
patent: 4821839 (1989-04-01), D'Antonio et al.
patent: 4944362 (1990-07-01), Motsinger et al.
patent: 4970753 (1990-11-01), Herron, Jr.
patent: 5129793 (1992-07-01), Blass et al.
patent: 5276291 (1994-01-01), Norris
patent: 5326317 (1994-07-01), Ishizu et al.
patent: 5815842 (1998-10-01), Hiselius
patent: 5817990 (1998-10-01), Furse
patent: 6116375 (2000-09-01), Lorch et al.
patent: 6290022 (2001-09-01), Wolf et al.
patent: 6450289 (2002-09-01), Field et al.
patent: 40 37 442 (1991-08-01), None
patent: 0 099 466 (1984-02-01), None
patent: 0 289 987 (1988-11-01), None
patent: 51 070971 (1976-06-01), None
patent: 05 199955 (1993-08-01), None
patent: 06 030860 (1994-02-01), None
patent: 06 035478 (1994-02-01), None
patent: WO 96/23294 (1996-08-01), None
patent: WO 97 13443 (1997-04-01), None
patent: WO 99/10608 (1999-03-01), None
patent: WO 00/29684 (2000-05-01), None

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