Patent ID: 11859523
Assignee: HONEYWELL INTERNATIONAL INC.
Field: Environmental technology (Chemistry)
Classification: CPC F | IPC F

Claim 14:
15. A muffler for an engine, comprising:
a housing defining a first chamber, a second chamber and a third chamber, the first chamber positioned opposite the third chamber within the housing, the second chamber radially outboard of the first chamber, the housing configured to be fluidly coupled to the engine and configured to receive exhaust gases from the engine via an inlet;
a pressure attenuator including a first plate and a second plate in communication with the inlet and configured to receive the exhaust gases, the first plate and the second plate cooperate to define a tortuous path that extends radially from the inlet, the first plate including a first pair of nested protrusions offset from a second pair of nested protrusions of the second plate, the pressure attenuator upstream from the first chamber and the first chamber fluidly coupled to the pressure attenuator via an outlet defined at an outer perimeter of the first plate;
a first tube fluidly coupled between the first chamber and the second chamber configured to direct the exhaust gases from the first chamber to the second chamber; and
a second tube fluidly coupled between the second chamber and the third chamber configured to direct the exhaust gases from the second chamber to the third chamber.