专利名称：Water closet flush valve发明人：Carl E. Imler申请号：US06/181950申请日：19800827公开号：US04312083A公开日：19820126
摘要：A flush valve for a toilet having a tank and a bowl including a valve housingconnected to a source of water, a valve stem operatively connected to a float and apiston operatively connected through a cam to a flush lever, the valve stem and pistonmovable independently to provide a valve for the admission of water to the tank andbowl together with a syphon having a tube therein for breaking the syphon action at apredetermined level of water in the tank, a float operatively connected to the valve stemwhich automatically varies the float level action and an arm connected to the cam foractuation by the float to return the flush lever to an inoperative position and anothervalve operated by the piston to interrupt the flow of water into the valve housing toprevent back syphonage of tank water into the water supply line.
申请人：IMLER; CARL E.
代理机构：Victor J. Evans & Co.
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