Muffler for an internal combustion engine

Details Muffler for an internal combustion engine Muffler for an internal combustion engine

1993-12-03

1995-06-06

Blankenship, Howard B.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181258, 181282, F01N 302

Patent

active

054224446

ABSTRACT:
A muffler, especially for an internal combustion engine of a chain saw, comprises a primary and a secondary chamber through which exhaust gases from the engine in turn flow. The primary chamber (10) is formed by an inner, generally spherical receptacle (11) which is surrounded by an outer receptacle (12), and the secondary chamber (13) is formed by the space between the receptacles. The dimensions of the receptacles are such that the volumes of the chambers are generally equal.

REFERENCES:
patent: 991515 (1911-05-01), Karminski et al.
patent: 3798769 (1974-03-01), Bailey
patent: 4867270 (1989-09-01), Wissmann et al.
patent: 4972921 (1990-11-01), Takada et al.

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