Flow control device
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United States of America Patent
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Jan 28, 2003
Issued Date -
N/A
app pub date -
Apr 24, 2000
filing date -
Oct 25, 1996
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Semi-spherical supports are used in the piercing of small, consistently sized holes in a soft metal. In particular, a flow control device, such as an orifice plate, can be fabricated with small, consistently sized flow apertures to regulate flow in a gas flow regulating device. By using semi-spherical supports, the need for hand-punching and real-time flow calibration can be avoided and automated machinery with a tapered piercing tool can be used to fabricate the flow control device.
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