Volumetric (positive displacement) machine of the pump or compressor type which is sealed to the products pumped

摘要

Volumetric (positive displacement) machine, pump or compressor, which is sealed. The connection between the motor 1 and the crankshaft 5 is provided by a two part magnetic coupling 3, 4 which two parts are separated by a continuous wall 9. The casing 25 is therefore sealed, and the gases pumped cannot escape therefrom. Application to the pumping of dangerous, irradiant or expensive gases. IMAGE