Pulsation throttling device for a pressure gauge
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United States of America Patent
Stats
-
Nov 8, 1983
Grant Date -
N/A
app pub date -
Mar 26, 1982
filing date -
Mar 26, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A generally cylindrical plug is adapted for a snug fit in a socket bore communicating with the inlet of a pressure gauge. The plug includes an upstream portion and an axially contiguous downstream portion, each cooperating with the surrounding surface of the socket bore to define a continuous flow path communicating inward to the sensing unit of the gauge. Through the upstream portion, the flow path is annular in cross-section between the plug surface and the bore surface while the downstream portion defines a helical flow path communicating with the open bore downstream thereof. Dimensionally critical in the relationship of the flow path defined in the upstream portion, versus the flow path defined in the downstream portion is the requirement that the former have a clearance dimension relatively smaller than the minimum clearance dimension through the cross-section of the latter.
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