Muffler with variable acoustic properties

Details Muffler with variable acoustic properties Muffler with variable acoustic properties

2007-02-27

2007-02-27

Martin, Edgardo San (Department: 2837)

Acoustics

Sound-modifying means

Muffler, fluid conducting type

C181S254000, C060S324000, C137S538000, C137S540000, C137S543150

Reexamination Certificate

active

10833648

ABSTRACT:
A muffler with variable acoustic properties. A pressure cell with a diaphragm, a spring, a piston, a piston rod, a closing element on the piston rod, and a pressure connection line are integrated into a housing. The diaphragm is thermally insulated against the piston rod. Another layer of thermal insulation is provided between the closing element and the pressure cell.

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