Water leakage monitoring system

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United States of America Patent

PATENT NO 8072340
APP PUB NO 20090066524A1
SERIAL NO

12266025

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A water leakage monitoring system including a water leakage position estimator which includes a periodic data acquiring unit for fetching predetermined-period flow rate pressure data stored in a monitoring device, and for fetching a signal related to a flow rate change and pressure changes expecting a water leakage reaction time calculating unit for calculating a pressure reaction time lag between two pressure changes, a pressure propagation velocity estimating unit for estimating a pressure propagation velocity using the pressure reaction time lag and a distance between two pressure gauges located in a water distribution block stored in a pipeline network map data, and a flow rate change position estimating unit for receiving a signal related to the flow rate change, and estimating a flow rate change position using pressure propagation velocity and a flow meter and pressure gauge locating positions of the pipeline network map data.

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Patent Owner(s)

Patent OwnerAddress
TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORPORATION72-34 HORIKAWA-CHO SAIWAI-KU KAWASAKI-SHI KANAGAWA 212-8585

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Oishi, Naoto Kitakyushu, JP 3 49
Yokokawa, Katsuya Fuchu, JP 8 68
Yukawa, Atsushi Tokyo, JP 12 72

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