Device for sensing air flow
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United States of America Patent
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-
Dec 5, 1989
Grant Date -
N/A
app pub date -
Dec 1, 1988
filing date -
Dec 1, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A venturi device is provided for sensing air flow. The device includes a body having first and second substantially cylindrical end portions interconnected by a wasp-waisted intermediate portion. The end portions are provided with bores which may be of different internal diameter. The intermediate portion is provided with axially aligned counterbores. These counterbores are connected by four bores of relatively small diameter. A radially inwardly extending wall in the through-bore comprises a flow restriction, and lateral bores are provided on opposite sides of the wall extending radially outwardly from the through-bore.
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