Baker & Botts, L.L.P.
Toilet flushing device
 A toilet flushing device is to be installed in a water supply tank and has a diverter valve which permits the supply of high pressure water to the rim flushing conduit of a toilet bowl when the toilet bowl is flushed. The diverter valve has a valve housing and a valve rod disposed movably in the valve housing in response to increase or decrease of the water level. A passage is formed longitudinally through the valve rod so as to direct high pressure water to the water supply tank, thereby preventing fouling formation in the passage of the valve rod. 
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Y10T E03D Y10T E03D Y10T
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Chung-Yi
Ho