Rotary expansible chamber devices – Combined
Patent
1994-02-28
1995-03-28
Bertsch, Richard A.
Rotary expansible chamber devices
Combined
F04C 2500
Patent
active
054011507
ABSTRACT:
A low noise compressor is realized, involving a port and manifold assembly, and in which a reactive silencer means is formed integrally within the assembly and coupled acoustically with at least one of the input and output manifolds, the silencer including a pair of resonant cavities configured so as to attenuate at least the first overtone of the fundamental frequency.
REFERENCES:
patent: 4109751 (1978-08-01), Rabele
Halliday and Resnick, Fundamentals of Physics, 2nd Ed., John Wiley & Sons, 1981, p. 324.
Bertsch Richard A.
Freay Charles G.
General Signal Corporation
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