Stamp formed muffler

Patent · Tue Oct 20 04:00:00 EDT 1987

OSTI ID:5976193

Harwood, J

A muffler for mounting to at least one exhaust pipe and at least one tail pipe of a vehicle is described. The muffler comprises a pair of plates securely connected to each other in generally face to face relationship. Each of the plates is stamp formed to define an array of channels therebetween. The channels are configured to define at least one inlet tube and at least one outlet tube in communication with one another and connectable to the exhaust pipe and tail pipe respectively. The inlet and outlet tubes each include at least one array of perforations extending therethrough. The arrays of channels further define at least one tuning tube in communication with at least one of the inlet and outlet tubes. The muffler further comprises at least one stamp formed external shell securely mounted to the plates. The external shell is stamp formed to define: inlet and outlet openings surrounding and mounted to selected portions of the inlet and outlet tubes respectively, at least one chamber enclosing the arrays of perforations in the plates, and at least one stamp formed low frequency resonating chamber in communication with the tuning tube formed by the plates.

• Assignee: AP Industries, Inc., Toledo, OH
• Patent Number(s): US 4700806
• OSTI ID: 5976193
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330603* -- Vehicle Design Factors-- Engine System
330700 -- Advanced Propulsion Systems-- Emission Control
CONTROL
DAMPING
DESIGN
EQUIPMENT
EXHAUST GASES
EXHAUST SYSTEMS
FABRICATION
FLUID FLOW
FLUIDS
GAS FLOW
GASEOUS WASTES
GASES
MATERIALS WORKING
NOISE POLLUTION CONTROL
PIPES
PLATES
POLLUTION CONTROL
POLLUTION CONTROL EQUIPMENT
WASTES