Maze-type screw pump

Application Number: 00102578
Application Date: 2000.03.23
Publication Number: 1315618
Publication Date: 2001.10.03
Priority Information:
International: F04D1/04
Applicant(s) Name: He Shunsheng
Inventor(s) Name: He Shunsheng
Patent Agency Code: 33100
Patent Agent: ma shilin
Abstract A maze-type screw pump is composed of pump body with symmetric structure and external motor. Said pump body consists of liquid inlet cavity, liquid-distributing ring cavity, maze-type spiral cavity, spiral rotor and spiral stator. The screw thread of the said spiral rotor and stator is a serrated screw thread. Its advantages include cancelled axial force in pump, compact structure, automatic boosting and dynamic self-sealing.