Harry Eberhardt

US Patent:

41294025, Dec 12, 1978

Filed:

Jan 5, 1977

Appl. No.:

5/757060

Inventors:

Harry A. Eberhardt - Paoli PA

Assignee:

Hale Fire Pump Company - Conshohocken PA

International Classification:

F04D 2944
F01D 102
F01D 902
F04D 2908

US Classification:

415 53R

Abstract:

A centrifugal pump which is easy to clean, simple to assemble and disassemble, and economical to manufacture is disclosed. The pump comprises two cast metal casing members, one of which has an integral volute wall and the other of which has an oval partition providing an inlet plenum opposite the volute wall. A wear plate is interposed between the casing members to channel fluid in the desired direction through the pump. An impeller is mounted for limited axial adjustment on its engine shaft to adjust its clearance with the wear plate. The impeller also has specially-designed slinger teeth which function to minimize wear of the impeller shaft seal.