Device and method for measuring the geometry of a workpiece

In order to improve a device for measuring the geometry of a workpiece in such a way that the geometrical measurements are particularly precise wherein the device comprises a housing having a flow channel in which there is arranged a reference nozzle for the passage of a test fluid therethrough and...

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Bibliographic Details
Main Author BASAR IVAN
Format Patent
LanguageChinese
English
Published 06.03.2013
Subjects
MEASURING
MEASURING ANGLES
MEASURING AREAS
MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS
PHYSICS
TESTING
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Summary:In order to improve a device for measuring the geometry of a workpiece in such a way that the geometrical measurements are particularly precise wherein the device comprises a housing having a flow channel in which there is arranged a reference nozzle for the passage of a test fluid therethrough and a first pressure measuring device for measuring a first pressure of the test fluid upstream of the reference nozzle and also a second pressure measuring device for measuring a second pressure of the test fluid downstream of the reference nozzle, it is proposed that the device should comprise a differential pressure measuring device for measuring the differential pressure of the test fluid across the reference nozzle.
Bibliography:Application Number: CN200980103132