Portable ventilator
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United States of America Patent
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Apr 25, 2006
Grant Date -
Sep 18, 2003
app pub date -
Jan 23, 2003
filing date -
Jan 23, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A portable ventilator for providing an air-recipient with compulsory respiration is provided with an outlet manifold and a single-expansion-chamber muffler configured so that airflow through an inhale outlet port of the muffler is pulse-free and a transmission loss, defined as the ratio of sound power generated by the at least one compressor and incident on the muffler to the sound power transmitted by the muffler, is sufficient to deaden the sound power of the compressor.
First Claim
Family
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