Accession Number:

ADD019297

Title:

Venturi Muffler With Variable Throat Area

Descriptive Note:

Patent, Filed 8 MAy 96, patented 13 Oct 98

Corporate Author:

DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s):

Report Date:

1998-10-13

Pagination or Media Count:

9.0

Abstract:

The invention is directed to a muffler for a gas intake at a gas intake of a machine. The muffler includes at least one venturi nozzle cooperating with a chamber. Each venturi nozzle has an inlet opening, an outlet opening and a throat there between. The chamber has a chamber inlet connected to either the inlet opening or the outlet opening of each venturi nozzle. The chamber has a chamber outlet connected to the gas intake of the machine. Some embodiments of the invention feature variation of the total throat area of the muffler. Other embodiments of the invention feature variation of the volume enclosed by the chamber.

Subject Categories:

  • Fluidics and Fluerics
  • Acoustics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE