Automatic valve-closing structure in mixed-water cock for...

F - Mech Eng,Light,Heat,Weapons – 16 – K

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137/124

F16K 31/524 (2006.01)

Patent

CA 1274746

ABSTRACT OF THE DISCLOSURE The mixed-water cock is for automatically interrupting the flow of water from the cock after a pre-set quantity of water has been discharged. The cock comprises hot and cold water sup- ply passages and a mixing chamber for receiving water from the hot and cold water supply passages. The mixing chamber communi- cates with an outlet or discharge pipe. Valves cut off flow communication between the hot and cold water passages, respec- tively, and the mixing chamber. The cock also comprises a cam or cams and two cam followers or valve rods, the cam or cams being arranged to close the valves simultaneously. A handle is provi- ded for displacing the cam or cams angularly to a position in which the valves are held open. A vane wheel is rotatable by water discharged from the mixing chamber and a motion transmit- ting reduction mechanism is operatively connected between the wheel and the cam or cams for angularly moving the cam or cams to a position in which the valves close simultaneously.

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