Integrated resonator and filter apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Apr 11, 2000
Issued Date -
N/A
app pub date -
Jun 4, 1998
filing date -
Apr 26, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An integral filter and resonator apparatus includes filter elements positioned upstream of a Helmholtz resonator. The first embodiment includes filter elements positioned side by side within the housing. Other embodiments include a filter element with a tube which curves slightly downstream from the element. Another embodiment includes coupled chambers for attenuating the noise.
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