Automatic choke motor pump for pumping water from well to building, has orifice formed on diaphragm, kinking part whose extreme end is closed by diaphragm, and superior fuse whose interior part is provided with kinking part

摘要

The pump has a cylindrical container (1) whose superior part is formed with an air suction line. Water is passed to an interior part (3) of a superior fuse (2) that is provided with a kinking part (7). A vertical tube (6) is provided inside a pump part. An extreme end (8) of the kinking part is closed by a diaphragm (9). An orifice (10) is formed on the diaphragm.