COCK FOR LIQUID FILTERING DEVICE Russian patent published in 2006 - IPC F16K11/74 B01D35/04 

FIELD: drinking water cleaning.

SUBSTANCE: invention relates to design of water delivery cock used in combination with filter and indicator stating condition of filter in service and it is designed for aftercleaning of drinking water. Proposed cock for liquid filtering device contains outer housing accommodating inner housing with inlet and outlet channels. Channels are made parallel to each other in one plane, being arranged at a distance from each other. A channel is located in one plane with said channels at angle relative to them. Drinking water flow control device and movable disk operator are coaxially placed in said channel. Drinking water flow control device consists of fixed and movable disks. Member is provided to limit angle of turning of movable disk operator. Cleaned water inlet and outlet branch pipes are provided. Lower end of drinking water flow control device is made threaded. Upper end of inlet branch pipe is provided with widening. Filter condition indicator contains sensing and converting elements arranged in one radius of turning, computing element, supply element and indicating device. Converting and computing elements and supply element are installed on base. Said base is fixed on movable disk operator. Sensing element is rigidly secured on drinking water flow control device.

EFFECT: improved reliability and operating characteristics of device.

11 cl, 3 dwg