The shape of the intake port in the water ring vacuum pump

摘要

(57) [Abstract] [Purpose] In water ring vacuum pumps, and an object thereof is to prevent the impact generated by the relationship of the intake port shape and the impeller. [Configuration] follow to feather 8b of the impeller 8 is close to the closed end part B of the intake port 3b, as The closed end part B is to close gradually, to set the shape of the terminal portion E.