Pilot Type Water Discharging/Stopping and Flow Regulating Valve Device
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United States of America Patent
Stats
-
N/A
Issued Date -
Jun 11, 2009
app pub date -
Jul 10, 2006
filing date -
Jul 12, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A pilot-type water discharging/stopping and flow regulating valve device capable of performing both the discharging/stopping of water and the regulation of flow by light operations, and capable of, once the flow is regulated, discharging the water at a pre-regulated specified flow in the next water discharge even if the water is stopped.The pilot type water discharging/stopping and flow regulating valve device has a main valve, a back pressure chamber, an introducing small hole, a pilot channel and a flow regulating mechanism. The flow of the main channel is regulated by advancing and retreating the main valve following the advance/retreat of a pilot valve. The valve device further has a water discharging/stopping switching mechanism that switches between the discharging and stopping of water by advancing and retreating the pilot valve between a water discharge position and a water stop position. Furthermore, the flow regulating mechanism is configured to maintain the flow regulating position of the pilot valve at a previously regulated flow regulating position when the water discharging/stopping switching mechanism causes the pilot valve to perform water discharging operation after causing the pilot valve to perform water stopping operation.
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