USAGE REGULATOR Russian patent published in 1996 - IPC

FIELD: hydraulic automation. SUBSTANCE: device has cone 1, cylindrical chamber 5 having control pressure channels 6 and 7, plunger member 9 having axial channel 10. Plunger member is mounted in cylindrical chamber and separates it into two plunger chambers 12 and 13, which are connected to control pressure channels. One end part of plunger member is located outside cylindrical chamber in outlet channel 3. Plunger member is spring-loaded. Control roller is located in housing 4. Cap 17 is mounted in cylinder chamber. It embraces non-restricting part 18 of plunger member, ends of cap and cylindrical chamber provide channel 6 which supplies control pressure. Wall of cylindrical chamber has holes 19 and sleeve 20, which covers holes and is kinematic connected to control roller. EFFECT: constant use of soiled working fluid, increased field of application (including cryogenic fluids), increased speed, weight is thrice less. 1 dwg