THERMOSTATIC NOZZLE FOR VALVE Russian patent published in 2002 - IPC

FIELD: systems for keeping predetermined temperature in room with the use of radiator of heating system. SUBSTANCE: thermostatic nozzle includes body with thermostatic member 11 placed in body, having pressure chamber whose volume changes depending upon temperature value; actuating member functionally joined with thermostatic member 11; and safety device having spring 18 protecting against excess pressure. Spring 18 is arranged between thermostatic member 11 and part 3 of body for preliminarily loading thermostatic member 11 in direction to actuating member 5. Thermostatic member 11 is mounted in holder 10 being stop for spring 18 protecting against excess pressure. EFFECT: enhanced efficiency of pump, simplified low-cost valve suction unit with increased useful life period. 10 cl, 1 dwg