Automatic pump

Details Automatic pump Automatic pump

1995-02-03

1996-05-14

Look, Edward K.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Passage or casing attached removable liner or wear member

415 521, 415 584, 415147, F04D 2900

Patent

active

055162622

ABSTRACT:
An improved automatic pump capable of advantageously reducing manufacturing processes thereof as well as significantly preventing pressure decrease in a pump assembly by providing a pressure control tube and removing a sealing process thereof, which includes a motor for transmitting driving force to corresponding elements thereof; a working chamber formed in front of the motor, in which an impeller drivingly connected to a rotary shaft of the motor is disposed; a pump casing attachably attached to a predetermined portion of the working chamber and having a pressure tank with a predetermined size thereof; and a pressure control tube equipped with an air pressuring port disposed at a predetermined portion of the pump casing.

REFERENCES:
patent: 3168870 (1965-02-01), Hornschuch

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