FIELD: automatic control of gas-turbine engines. SUBSTANCE: acceleration hydraulic control unit has positive-displacement pump 1, speed governor 3, loading valve 5, jet 11 fitted at positive- displacement pump outlet, adjustable throttle valve 12 and throttle valve 2 made in form of spring-loaded spool valve. Built in acceleration automatic control unit is valve 13 for limiting the maximum pressure; inlet of valve 13 is connected with outlet of pump through loading valve 5 and its outlet is connected with return line. Spring chamber of loading valve 5 is connected with inlet of adjustable throttling valve 12 through additional jet 14. EFFECT: enhanced reliability. 2 dwg
Authors
Dates
1996-03-20—Published
1993-07-19—Filed