Precessional centrifugal pump

Details Precessional centrifugal pump Precessional centrifugal pump

1989-09-12

1991-09-03

Kwon, John T.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

415 70, 415206, F04D 2940

Patent

active

050448820

ABSTRACT:
A precessional centrifugal pump of the type adapted to deliver liquid while rotating it with an impeller that makes a precessional movement. The pump includes an annular space provided in a conical casing and an impeller arranged in the annular space in such a manner as to be able to run therein. The impeller includes of a head and a rod that extends through the opening of the casing at the apex thereof. The pump further includes a flow guide wall protruding from the center of the circular end face of the casing into the annular space and inwardly defining the annular space, an inlet way formed within the flow guide wall, and an outlet which extends tangentially from the annular space. The inlet way is open in a spiral manner from the head section of the flow guide wall over the entire length thereof.

REFERENCES:
patent: 2107090 (1938-02-01), Swennes
patent: 3261297 (1966-07-01), Daniel
patent: 3608088 (1971-09-01), Dorman et al.
patent: 3647314 (1972-03-01), Laessig
patent: 4389159 (1983-06-01), Sarvanne
patent: 4722660 (1988-02-01), Akamatsu

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