STEP FLUID-PRESSURE MOTOR Russian patent published in 1997 - IPC

FIELD: mechanical engineering. SUBSTANCE: motor has stator provided with end face covers and passageways for supplying and discharging fluid and rotor to define working chambers inside it. The rotor is made up as a toothed wheel and mounted in the stator for permitting radial movement along an axis for no less than half a distance between teeth. The stator is provided with ratchet dogs and can be in a contact with them. The width of the dogs is equal to the width of the rotor. The cogs are oriented along the periphery of the rotor. EFFECT: enhanced efficiency. 4 dwg