Measuring and testing – With fluid pressure – Dimension – shape – or size
Patent
1989-02-09
1990-12-18
Williams, Hezron E.
Measuring and testing
With fluid pressure
Dimension, shape, or size
73 379, G01B 1316
Patent
active
049777777
ABSTRACT:
A fluid probe for measuring the surface contour of a machined part is provided whereby the machined part can remain on the machining apparatus during surface contour measurement. A measuring nozzle in a measuring probe directs a measuring fluid flow onto the surface. The measuring nozzle is on the probe situated midway between two guide nozzles that direct guide fluid flows onto the surface. When the guide fluid flows interact with the surface, they cause the measuring flow and measuring probe to be oriented perpendicular to the surface. The measuring probe includes a pressure chamber whose pressure is monitored. As the measuring fluid flow encounters changes in surface contour, pressure changes occur in the pressure chamber. The surface contour is represented as data corresponding to pressure changes in the pressure chamber as the surface is scanned.
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Chafin James H.
Daniel Anne D.
Moser William R.
Roskos Joseph W.
The United States of America as represented by the United States
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