Venturi Muffler With Variable Throat Area
Patent, Filed 8 MAy 96, patented 13 Oct 98
DEPARTMENT OF THE NAVY WASHINGTON DC
Pagination or Media Count:
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.
- Fluidics and Fluerics