Submerged Pump

Details Submerged Pump Submerged Pump

1996-07-18

1998-06-23

Verdier, Christopher

Rotary kinetic fluid motors or pumps

Including means for handling portion separated from working...

415206, 4152111, 4152112, 4152141, 415225, F04D 2944

Patent

active

057696039

ABSTRACT:
A submerged pump used, for example, in a duplex treating tank for sewage includes a pump casing including an inlet portion, a pump chamber and a discharge portion, and a motor for driving and rotating an impeller provided in the pump chamber. The motor is integrally secured to the pump casing. The pump casing has at least two subcasings assembled together, at least one of the subcasings having a projection defining a narrowed passage portion. An obtusely oriented air vent hole is provided in the lower casing.

REFERENCES:
patent: 3167021 (1965-01-01), Sence
patent: 4592700 (1986-06-01), Toguchi et al.
patent: 4787816 (1988-11-01), Jensen et al.
patent: 5064344 (1991-11-01), Kassel et al.
patent: 5145337 (1992-09-01), Kirkland
Patent Abstracts of Japan, vol. 6, No. 216 (M-168), Oct. 29, 1982, JP-57-122194, Jul. 29, 1982.

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