Full-circumferential flow pump

Details Full-circumferential flow pump Full-circumferential flow pump

1995-12-27

1999-01-12

Mohanty, Bibhu

Pumps

Motor driven

Motor rotor intermediate coaxial pump rotors

4174235, 4174238, 41742314, F04B 1700

Patent

active

058578412

ABSTRACT:
A full-circumferential flow pump includes an outer cylinder and a motor housed in the outer cylinder. The motor has a motor frame, a stator disposed in the motor frame, a main shaft, a rotor mounted on the main shaft and rotatably disposed in the stator. The outer cylinder defines an annular space defined around the motor frame, the outer cylinder having a pump suction port defined therein for introducing a fluid therethrough into the annular space. A pump unit is mounted on an end of the main shaft, and the outer cylinder has a discharge window defined therein for discharging a fluid from the pump unit. A discharge case is mounted on an outer circumferential surface of the outer cylinder in communication with the discharge window, the discharge case having a pump discharge port.

REFERENCES:
patent: 2814254 (1957-11-01), Litzenberg
patent: 2915978 (1959-12-01), Schaefer
patent: 3195468 (1965-07-01), Bood
patent: 3410218 (1968-11-01), Fivel
patent: 4978281 (1990-12-01), Conger, III
patent: 5388971 (1995-02-01), Kobayashi et al.
patent: 5478215 (1995-12-01), Kobayashi et al.
patent: 5494418 (1996-02-01), Moriya et al.
patent: 5610134 (1997-03-01), Kobayashi et al.

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