Hydraulic drive mechanism
Hydraulic drive mechanism in lifts
Made up of the pump, the pump-drive, servo-vents and the hydraulic oil within a steel-sheet container which sits on vibration absorbing cushions, installed in the machine room or with a machine cabinet.
It effectuates the ascension for (hydraulic) lifts. The car is descended simply by opening the servo-vents.
see also: Hydraulic liftback to overview