Measuring and testing – With fluid pressure
Reexamination Certificate
2007-12-25
2007-12-25
Williams, Hezron (Department: 2856)
Measuring and testing
With fluid pressure
Reexamination Certificate
active
10503448
ABSTRACT:
The invention relates to a method and device for obtaining a determined flow resistance of a flow channel, especially an opening in a component. The method involves the following steps: a liquid flows through the flow channel; a characteristic depending on the flow resistance of the flow channel in the component is determined; and the flow channel is machined by means of a working method until said characteristic reaches a pre-determined nominal value.
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patent: 4550592 (1985-11-01), Dechape
patent: 4995949 (1991-02-01), Rhoades
patent: 5347847 (1994-09-01), Ogden et al.
patent: 5865977 (1999-02-01), Frembgen
patent: 0 802 009 (1997-10-01), None
Ernst Alfred
Gosger Peter
Matt Patrick
Walther Armin
Extrude Hone GmbH
Frank Rodney
The Webb Law Firm
Williams Hezron
LandOfFree
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