spiral-type supercharger movement of the displacement spiral function of the drive shaft and auxiliary shaft and of the balance weights air compression outwards-inwards toothed-belt driven auxiliary shaft description ordernumber 1122 see also: common rail injector with magnetic coil at the bottom nozzle holder with pintle-type nozzle VP 44 (Bosch) radial-piston distributor-type injection pump two-stage carburetor 1B2E