MIXING VALVE Russian patent published in 1997 - IPC

FIELD: plumbing appliances; bath and shower filling cocks. SUBSTANCE: second chamber of mixing valve includes first intake passage located above in way of flow of chamber. Its lower end is connected with chamber and its upper end is connected with first intake passage. Second intake passage is located above in way of flow and its lower end is connected with chamber and upper end is connected with intake passage. First outlet passage is located below in way of flow of chamber and its upper end is connected with chamber and lower end is connected with valve plate. Second outlet passage is located below in way of flow of chamber and its upper end is connected with chamber and lower end is connected with valve plate; third outlet passage is located between valve plate and outlet hole and its upper end is connected with valve plate and lower end is connected with outlet hole. Valve includes spool valve and check valves located in first and second intake passages, device for control of maximum temperature of flow fitted with flange on cover of housing and orienting ring of rod having hole for rod. It is also provided with locking projection for engagement with locking flange. Engaging device is located on orienting ring of rod. Locking member keeps orienting ring of rod and locking member against independent rotary motion. EFFECT: enhanced reliability. 15 cl, 21 dwg