Blower muffler and vibration isolation

Rotary kinetic fluid motors or pumps – With sound or vibratory wave absorbing or preventing means...

Reexamination Certificate

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Details

C417S312000, C181S225000

Reexamination Certificate

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07112038

ABSTRACT:
An air impeller with both sound attenuation and vibration isolation means in a compact assembly. Three muffler chambers are provided preceding the inlet to the impeller each with sound absorbing foam material and vibration isolators are provided at both inlet and discharge sides of the impeller.

REFERENCES:
patent: 2576860 (1951-11-01), Shapiro
patent: 2749998 (1956-06-01), Brown et al.

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