Submersible pump

Details Submersible pump Submersible pump

1984-05-18

1986-05-13

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Passage or casing attached removable liner or wear member

415121B, 415219C, F04D 2942

Patent

active

045883530

ABSTRACT:
A submersible pump especially usable for civil engineering works is provided in which a wear resistant protecting member is disposed at the portion opposing the backside of an impeller shroud to protect that portion from wear due to abrasion by earth and sand contained in the liquid handled by the pump. The protecting member is provided with holes or portions similar to holes which are adapted to surround the exposed portions of the bolts so as to prohibit the liquid flow from directly contacting the bolt portions with flowing speed or kinetic energy so that wear of the bolts is prevented.

REFERENCES:
patent: 1638055 (1927-08-01), Nagle
patent: 3551067 (1970-12-01), Wissman
patent: 3576380 (1971-04-01), Sargeant
patent: 3692422 (1972-09-01), Girardier

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