VALVE Russian patent published in 2006 - IPC F16K39/04 F16K3/08 F16K1/44 

FIELD: valving.

SUBSTANCE: valve comprises housing with inlet and outlet passages connected with the space that receives the unit for control of supplying fluid for permitting communication of the inlet passage with the outlet passage. The unit for control of supplying fluid is made of a base member provided with two inlet ports and one outlet port connected with the outlet passage. The inlet ports of the base member receive seats. The working surfaces of the seat are oriented in the same direction. The valve is also provided with the first and second slide valves that are provided with space open in the direction of the seat, are mounted for permitting cooperation with the seats, and are kinematically interconnected. The first slide valve is connected with the control unit and is mounted outside of the base member. The second slide valve is mounted inside the member. The area of the cross-section of the space of the first slide valve is greater that that of the space of the second slide valve.

EFFECT: simplified structure and enhanced reliability.

4 cl, 3 dwg