Instrument for measuring water-spray blast force

Measuring and testing – Volume or rate of flow – Using differential pressure

Reexamination Certificate

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Details

C073S170210

Reexamination Certificate

active

06883390

ABSTRACT:
A system measures dynamic force of an impacting spray of air and water. A pitot-tube section is aligned to receive a longitudinal flow of impacting air/water spray in a laterally extending orifice. A first differential pressure transducer is coupled to the pitot-tube section for producing signals representative of velocity of the air/water spray at the orifice. A rain gage section adjacent to the pitot-tube section receives and collects volumes of water of the longitudinal flow of air/water spray through a laterally extending opening. A second pressure differential transducer is coupled to the rain gage section to produce signals representative of the volumes of water collected in the rain gage section. A computer-based control/readout module receives the velocity representative signals and water volume representative signals for indicating the magnitude of dynamic force attributed to impacting air/water spray in the opening.

REFERENCES:
patent: 5415049 (1995-05-01), Takami et al.

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