Sound absorption for a lawnmower

Details Sound absorption for a lawnmower Sound absorption for a lawnmower

1980-02-07

1982-01-26

Hix, L. T.

Acoustics

Sound-modifying means

Housing or enclosure

563201, H02K 524, A01D 6700

Patent

active

043124216

ABSTRACT:
This disclosure relates to a sound absorbing arrangement for a power lawnmower in which sound absorbing material is provided within the body of the lawnmower to reduce noise by attenuating resonance caused by the lawnmower motor. In addition to reducing noise, the sound absorbing material imparts structural rigidity to the lawnmower body or housing, and also may be used to define air passages within the lawnmower body for use in cooling the motor.

REFERENCES:
patent: 4194345 (1980-03-01), Pioch et al.
Antonetti et al., "Accoustic Housing for Blowers", IBM Technical Bulletin, vol. 14, No. 9, Feb. 1972.

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