Structure of rear window shelf portion to partition vehicular pa

Details Structure of rear window shelf portion to partition vehicular pa Structure of rear window shelf portion to partition vehicular pa

1994-12-19

1996-03-12

Pape, Joseph D.

Land vehicles: bodies and tops

Bodies

Lining

296 3716, B60R 2700

Patent

active

054980500

ABSTRACT:
A structure of a window shelf portion to partition a vehicular passenger compartment, comprising: a) a shelf panel mounted at the window shelf portion so as to partition the passenger compartment and a trunk, said trunk serving as a Helmholtz resonator chamber; b) a shelf trim mounted on the shelf panel with a space provided against the shelf panel; c) a plurality of openings formed on both of the shelf panel and the shelf trim so as to partially provide air passages between the trunk and passenger compartment and as to provide a throat portion of the Helmholtz resonator for the space; and d) at least one partition wall provided in the space between the shelf panel and shelf trim and arranged for reducing an equivalent cross sectional area of the throat portion of the Helmholtz resonator.

REFERENCES:
patent: 5076631 (1991-12-01), Lord, Jr.
patent: 5171054 (1992-12-01), Wilson

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