Intake silencer for outboard motor

Details Intake silencer for outboard motor Intake silencer for outboard motor

1980-05-30

1982-04-27

Franklin, Lawrence R.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181276, 440 88, F02M 3512, F01N 102

Patent

active

043266002

ABSTRACT:
An outboard motor includes a cowling with a cavity that receives a carburetor that supplies the engine with an air/fuel mixture. The carburetor has an air intake port. An air intake passage connects to this port, and bends partway around the carburetor. A resonance chamber communicates with the air intake passage and faces the carburetor to attenuate the noise from the carburetor intake port.

REFERENCES:
patent: 2322895 (1953-06-01), Steensen
patent: 2798470 (1957-07-01), Kiekhaefer
patent: 2839042 (1958-06-01), Armstrong et al.

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