3-D molded watershield resonance frequency diffuser

Details 3-D molded watershield resonance frequency diffuser 3-D molded watershield resonance frequency diffuser

2005-05-10

2005-05-10

Coletta, Lori L. (Department: 3612)

Land vehicles: bodies and tops

Bodies

Door or window with specified vehicle feature

Reexamination Certificate

active

06890018

ABSTRACT:
A molded water-shield integrated between an exterior panel assembly and a trim panel of a vehicle. The molded water-shield includes a semi-rigid barrier sheet and a series of resonance frequency diffusion (RFD) reliefs formed in the semi-rigid barrier sheet. The RFD reliefs diffuse sound waves directed at the semi-rigid barrier sheet.

REFERENCES:
patent: 4247586 (1981-01-01), Rochlin
patent: 4253543 (1981-03-01), Johansson
patent: 4392548 (1983-07-01), Bailey
patent: 4769188 (1988-09-01), Graham et al.
patent: 5322722 (1994-06-01), Rozenberg
patent: 5595415 (1997-01-01), Beaulat
patent: 6007890 (1999-12-01), DeBlander
patent: 6382350 (2002-05-01), Jezewski et al.
patent: 6412852 (2002-07-01), Koa et al.

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