Affixation of a pump to a tank

Details Affixation of a pump to a tank Affixation of a pump to a tank

1982-12-06

1984-10-16

Schwadron, Martin P.

Fluid handling

Processes

Cleaning, repairing, or assembling

137565, 137315, 415219R, F04B 2300

Patent

active

044768869

ABSTRACT:
A method and apparatus allow the simple and effective attachment or detachment of a centrifugal pump to a tank while the tank is filled with a liquid or suspension. The pump rotor is axially movable from a first position where a portion of the rotor is inside the tank, to a second position where no portion of the rotor is inside the tank. With the rotor in the second position, a closing member mounted interiorly of the tank is actuated by an actuator exterior of the tank to effect movement of the closing member to close off a liquid or suspension discharge opening in the tank. The pump housing can then be flushed out, and detached from the tank. During reattachment, the pump housing is filled with fluid under pressure to substantially equalize the pressure on opposite sides of the closing member before the closing member is moved to uncover the tank discharge opening.

REFERENCES:
patent: 2103797 (1937-12-01), Stoddard
patent: 2492288 (1949-12-01), Hollerith
patent: 3963046 (1976-06-01), Bergeson
patent: 4221547 (1980-09-01), Hoffman et al.
Swedish Magazine Advertisement, "Serlachius Pumpum Anatomia on Tutkittu ja Testattu"; 1975.

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