Disposable tubular pneumotachometer
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 6, 1990
Grant Date -
N/A
app pub date -
Jan 17, 1989
filing date -
Jan 17, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A disposable tubular pneumotachometer in which the air-resistive material covering over the air outlet is a fabric with multiple sub-miniature tubular apertures to provide capillary air flow and, in the preferred form, has a uniformly diverging air outlet formed by air outlet openings through the wall of the pneumotachometer tube and an imperforate proportionally tapered air-diverging surface facing the air outlet openings.
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