Fluid operated vacuum device having improved exhaust muffler

Details Fluid operated vacuum device having improved exhaust muffler Fluid operated vacuum device having improved exhaust muffler

1982-08-30

1984-10-02

Fuller, Benjamin R.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181239, 181243, 181246, 181272, 181281, 181241, F01N 108

Patent

active

044742606

ABSTRACT:
A fluid operated vacuum device for manipulating a workpiece includes a rectangularly shaped metal body having a plurality of fluid passageways therein. One passageway communicates with a suction cup for creating a vacuum between the cup and the workpiece. Another fluid passageway terminates in an exhaust opening on one end of the body over which there is secured a plastic muffler for dispersing and silencing fluid exiting from the body. The muffler is substantially hollow and includes a plurality of openings in one side thereof through which exhaust fluid may escape into the ambient atmosphere. The effectiveness of the muffler is increased by a recess in the body circumscribing the exhaust opening, a perforated baffle member within the muffler, and a series of dimples in an interior wall of the muffler upon which exhaust fluid impinges.

REFERENCES:
patent: 2473103 (1949-06-01), Lathers
patent: 2975854 (1961-03-01), Bakke et al.
patent: 4113050 (1978-09-01), Smith
patent: 4241805 (1980-12-01), Chance, Jr.

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