ADJUSTABLE DRIVE OF FUEL-INJECTION PUMP TEST STAND Russian patent published in 2000 - IPC

FIELD: mechanical engineering; testing facilities; stands for testing diesel engine fuel injection devices. SUBSTANCE: drive has test stand drive electric rotational speed control circuit. Circuit consists of series connected electric parameters pickup, controlled frequency converter and stator supply circuit voltage converter connected with controller connected to output of electric parameters pickup. Controller is provided with external control input and plays the part of set-point device. EFFECT: possibility to dispense with mechanical drive shaft speed control circuits enlarged operating capabilities. 1 dwg